/* =============================================
   데일리가드 메인 스타일시트
   색상 팔레트: 네이비, 블랙, 화이트, 네온블루
   ============================================= */

:root {
    --navy-dark:    #000c1a;
    --navy:         #001433;
    --navy-mid:     #002060;
    --navy-light:   #003080;
    --blue-neon:    #00b4ff;
    --blue-bright:  #0066ff;
    --blue-light:   #4dc8ff;
    --white:        #ffffff;
    --white-80:     rgba(255,255,255,0.8);
    --white-60:     rgba(255,255,255,0.6);
    --white-30:     rgba(255,255,255,0.3);
    --white-10:     rgba(255,255,255,0.07);
    --neon-glow:    0 0 20px rgba(0, 180, 255, 0.6), 0 0 40px rgba(0, 102, 255, 0.3);
    --border-glow:  rgba(0, 180, 255, 0.3);
    --card-bg:      rgba(0, 20, 51, 0.8);
    --transition:   all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--navy-dark);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: 'Pretendard', sans-serif; }
input, select, textarea { font-family: 'Pretendard', sans-serif; }
h1, h2, h3, h4, h5, h6 { font-family: 'Pretendard', sans-serif; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* =============================================
   HEADER / NAV
   ============================================= */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(0, 12, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glow);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(0, 12, 26, 0.97);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-icon { font-size: 28px; filter: drop-shadow(0 0 8px var(--blue-neon)); }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }

.logo-main {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 18px;
    letter-spacing: 3px;
    background: linear-gradient(90deg, #fff 0%, var(--blue-neon) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--white-60);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.nav-link {
    padding: 8px 14px;
    font-size: 14px;
    font-weight: 500;
    color: var(--white-60);
    border-radius: 6px;
    transition: var(--transition);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--white);
    background: var(--white-10);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

/* 알림 벨 버튼 */
.inquiry-bell {
    position: relative;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%;
    background: var(--white-10);
    color: var(--white-60);
    font-size: 17px;
    transition: var(--transition);
    border: 1px solid var(--border-glow);
}

.inquiry-bell:hover { background: rgba(0, 180, 255, 0.15); color: var(--blue-neon); }

.bell-dot {
    position: absolute;
    top: 6px; right: 6px;
    width: 9px; height: 9px;
    border-radius: 50%;
    background: #1e90ff;
    border: 2px solid var(--navy-dark);
    box-shadow: 0 0 6px #1e90ff;
    transition: var(--transition);
}

.bell-dot.has-new {
    background: #ff3b3b;
    box-shadow: 0 0 8px #ff3b3b;
    animation: bell-blink 1.2s ease-in-out infinite;
}

@keyframes bell-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* 관리자 버튼 */
.admin-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    background: var(--white-10);
    border: 1px solid var(--border-glow);
    color: var(--white-60);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.admin-btn:hover { background: rgba(0, 180, 255, 0.15); color: var(--blue-neon); border-color: var(--blue-neon); }

/* 전화 버튼 */
.btn-call {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue-neon));
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.4);
}

.btn-call:hover { transform: translateY(-2px); box-shadow: var(--neon-glow); }

/* 햄버거 메뉴 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 24px; height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

/* 히어로 배경 이미지 — 비교 인포그래픽, 적당한 투명도로 분위기 연출 */
.hero-bg-image {
    position: absolute; inset: 0;
    z-index: 0;
    background: url('../images/hero_bg.jpg') center center / cover no-repeat;
    opacity: 0.42;
    filter: saturate(0.80) brightness(0.90);
    transform: scale(1.02); /* 테두리 흰 여백 방지 */
}

/* 배경 이미지 위 그라디언트 오버레이 — 좌측 텍스트 가독성 보장 */
.hero-bg-overlay {
    position: absolute; inset: 0;
    z-index: 1;
    background:
        linear-gradient(110deg,
            rgba(0,8,20,0.80) 0%,
            rgba(0,10,24,0.45) 45%,
            rgba(0,12,28,0.30) 65%,
            rgba(0,8,20,0.60) 100%),
        linear-gradient(to bottom,
            rgba(0,8,20,0.35) 0%,
            transparent 30%,
            transparent 70%,
            rgba(0,8,20,0.55) 100%);
}

/* 공기방울 컨테이너 */
.hero-bubbles {
    position: absolute; inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
}

.hero-grid {
    position: absolute; inset: 0;
    z-index: 2;
    background-image:
        linear-gradient(rgba(0,100,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,100,255,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.hero-glow-1 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,102,255,0.15) 0%, transparent 70%);
    top: -100px; right: -100px;
}

.hero-glow-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(0,180,255,0.12) 0%, transparent 70%);
    bottom: 0; left: 10%;
    animation: glow-pulse 6s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.hero-particles { position: absolute; inset: 0; pointer-events: none; z-index: 3; }

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border: 1px solid var(--border-glow);
    border-radius: 100px;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--blue-neon);
    background: rgba(0, 180, 255, 0.08);
    margin-bottom: 24px;
    animation: fade-up 0.8s ease-out forwards;
    opacity: 0;
}

.badge-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--blue-neon);
    box-shadow: 0 0 8px var(--blue-neon);
    animation: dot-blink 2s ease-in-out infinite;
}

@keyframes dot-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.hero-title {
    display: flex;
    flex-direction: column;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    overflow: hidden;
}

.title-line-1 {
    font-size: clamp(32px, 5vw, 56px);
    color: var(--white);
    animation: fade-up 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.title-line-2 {
    font-size: clamp(28px, 4.5vw, 52px);
    color: var(--white);
    animation: fade-up 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.title-line-3 {
    font-size: clamp(28px, 4.5vw, 52px);
    color: var(--white-60);
    animation: fade-up 0.8s ease-out 0.6s forwards;
    opacity: 0;
}

.hero-title em {
    font-style: normal;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-sub {
    font-size: 17px;
    color: var(--white-60);
    line-height: 1.8;
    margin-bottom: 36px;
    animation: fade-up 0.8s ease-out 0.8s forwards;
    opacity: 0;
}

.hero-sub strong { color: var(--blue-neon); font-weight: 700; }

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
    animation: fade-up 0.8s ease-out 1s forwards;
    opacity: 0;
}

.btn-primary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue-neon));
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: 0.5s;
}

.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--neon-glow); }
.btn-primary:hover::before { left: 100%; }

.btn-secondary {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 16px 32px;
    border: 1.5px solid var(--border-glow);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    background: var(--white-10);
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: rgba(0, 180, 255, 0.1);
    border-color: var(--blue-neon);
    color: var(--blue-neon);
    transform: translateY(-3px);
}

.hero-stats {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
    backdrop-filter: none;
    animation: fade-up 0.8s ease-out 1.2s forwards;
    opacity: 0;
    width: auto;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 28px;
    background: rgba(0, 20, 51, 0.75);
    border: 1px solid rgba(0, 180, 255, 0.25);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition);
    min-width: 110px;
}

.stat-item:hover {
    background: rgba(0, 30, 70, 0.9);
    border-color: rgba(0, 180, 255, 0.55);
    box-shadow: 0 0 18px rgba(0, 180, 255, 0.18);
    transform: translateY(-3px);
}

.stat-num {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 26px;
    color: var(--blue-neon);
    text-shadow: 0 0 15px rgba(0,180,255,0.5);
    line-height: 1;
}
.stat-label { font-size: 12px; color: var(--white-60); margin-top: 4px; }
.stat-divider { width: 10px; height: 1px; background: none; border: none; }

/* 히어로 제품 이미지 */
.hero-image-area {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    animation: fade-right 1s ease-out 0.5s forwards;
    opacity: 0;
}

@keyframes fade-right {
    from { opacity: 0; transform: translateY(-50%) translateX(60px); }
    to { opacity: 1; transform: translateY(-50%) translateX(0); }
}

.product-showcase {
    position: relative;
    width: 480px; height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.showcase-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid;
    animation: ring-spin linear infinite;
}

.showcase-ring-1 {
    width: 480px; height: 480px;
    border-color: rgba(0,180,255,0.15);
    animation-duration: 30s;
}
.showcase-ring-2 {
    width: 380px; height: 380px;
    border-color: rgba(0,180,255,0.2);
    animation-duration: 20s;
    animation-direction: reverse;
}
.showcase-ring-3 {
    width: 280px; height: 280px;
    border-color: rgba(0,180,255,0.3);
    animation-duration: 12s;
}

@keyframes ring-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-image-placeholder {
    width: 320px; height: 320px;
    background: linear-gradient(135deg, rgba(0,20,51,0.9), rgba(0,32,96,0.7));
    border: 2px solid rgba(0,180,255,0.35);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    z-index: 2;
    transition: var(--transition);
    box-shadow:
        0 0 40px rgba(0,180,255,0.15),
        0 20px 60px rgba(0,0,0,0.5),
        inset 0 1px 0 rgba(255,255,255,0.06);
}

.product-image-placeholder:hover {
    border-color: var(--blue-neon);
    box-shadow:
        0 0 60px rgba(0,180,255,0.3),
        0 25px 70px rgba(0,0,0,0.6);
    transform: scale(1.02);
}

.product-image-placeholder img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 22px;
    display: block;
}

/* ── 히어로 어플리케이션 카드 ── */
.hero-app-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: rgba(0, 10, 28, 0.82);
    border: 1px solid rgba(0, 180, 255, 0.30);
    border-radius: 14px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow:
        0 0 0 1px rgba(0, 100, 255, 0.08),
        0 8px 32px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    z-index: 5;
    min-width: 210px;
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1),
                box-shadow 0.35s ease,
                border-color 0.35s ease;
}

.hero-app-card:hover {
    border-color: rgba(0, 210, 255, 0.65);
    box-shadow:
        0 0 0 1px rgba(0, 180, 255, 0.18),
        0 12px 40px rgba(0, 0, 0, 0.65),
        0 0 24px rgba(0, 160, 255, 0.20),
        inset 0 1px 0 rgba(255, 255, 255, 0.10);
    transform: translateY(-4px) scale(1.02);
}

/* 카드 1 — 우상단 비스듬히 튀어나옴 */
.hero-app-card-1 {
    top: 18px;
    right: -30px;
    animation: card-float-1 4s ease-in-out infinite,
               fade-up 0.9s ease-out 1.0s forwards;
    opacity: 0;
}

/* 카드 2 — 좌하단 비스듬히 튀어나옴 */
.hero-app-card-2 {
    bottom: 28px;
    left: -24px;
    animation: card-float-2 4.5s ease-in-out infinite,
               fade-up 0.9s ease-out 1.3s forwards;
    opacity: 0;
}

@keyframes card-float-1 {
    0%, 100% { transform: translateY(0px) rotate(-1deg); }
    50%       { transform: translateY(-8px) rotate(-1deg); }
}

@keyframes card-float-2 {
    0%, 100% { transform: translateY(0px) rotate(1deg); }
    50%       { transform: translateY(-7px) rotate(1deg); }
}

.app-card-icon {
    width: 40px; height: 40px;
    flex-shrink: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(0,180,255,0.22), rgba(0,80,220,0.18));
    border: 1px solid rgba(0, 180, 255, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: #00d4ff;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.8);
}

.app-card-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.app-card-label {
    font-family: 'Pretendard', sans-serif;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 1px;
    color: rgba(100, 200, 255, 0.65);
    text-transform: uppercase;
}

.app-card-value {
    font-family: 'Pretendard', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: rgba(220, 245, 255, 0.95);
    letter-spacing: 0.3px;
}

.app-card-badge {
    position: absolute;
    top: -10px; right: 14px;
    font-family: 'Montserrat', sans-serif;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: #00d4ff;
    background: rgba(0, 8, 24, 0.95);
    border: 1px solid rgba(0, 180, 255, 0.40);
    border-radius: 20px;
    padding: 2px 9px;
    text-shadow: 0 0 8px rgba(0, 200, 255, 0.7);
}

/* 이미지 위 네온 오버레이 효과 */
.product-image-placeholder::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 22px;
    background: linear-gradient(
        180deg,
        transparent 50%,
        rgba(0, 20, 60, 0.45) 100%
    );
    pointer-events: none;
    z-index: 3;
}

.placeholder-content {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    color: rgba(0,180,255,0.5);
    text-align: center;
    padding: 20px;
}

.placeholder-content i { font-size: 42px; }
.placeholder-content p { font-size: 14px; color: var(--white-60); font-weight: 500; }
.placeholder-content span { font-size: 11px; color: var(--white-30); }

/* 히어로 네온 카피라인 */
.hero-neon-copy {
    margin-top: 22px;
    padding: 28px 32px;
    border-left: 4px solid rgba(0, 220, 255, 0.7);
    background: linear-gradient(90deg,
        rgba(0, 180, 255, 0.07) 0%,
        rgba(0, 100, 255, 0.03) 60%,
        transparent 100%);
    border-radius: 0 10px 10px 0;
    animation: fade-up 0.8s ease-out 1.5s forwards;
    opacity: 0;
    position: relative;
}

.hero-neon-copy::before {
    content: '';
    position: absolute;
    top: 0; left: -3px; bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, #00dcff, #0066ff, #00dcff);
    border-radius: 3px;
    animation: neon-border-flow 2.5s ease-in-out infinite;
}

@keyframes neon-border-flow {
    0%, 100% { box-shadow: 0 0 6px rgba(0,220,255,0.8), 0 0 16px rgba(0,180,255,0.5); opacity: 1; }
    50%       { box-shadow: 0 0 12px rgba(0,220,255,1),  0 0 28px rgba(0,120,255,0.8); opacity: 0.75; }
}

.neon-copy-top {
    font-family: 'Pretendard', sans-serif;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: 2.5px;
    color: rgba(140, 220, 255, 0.70);
    text-transform: uppercase;
    margin-bottom: 7px;
}

.neon-copy-main {
    font-family: 'Pretendard', sans-serif;
    font-size: 30px;
    font-weight: 600;
    color: rgba(200, 240, 255, 0.88);
    line-height: 1.65;
}

.neon-copy-highlight {
    display: inline-block;
    font-style: normal;
    font-weight: 800;
    font-size: 34px;
    letter-spacing: 0.5px;
    background: linear-gradient(90deg, #00e5ff 0%, #38b6ff 45%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    filter: drop-shadow(0 0 8px rgba(0, 210, 255, 0.75))
            drop-shadow(0 0 20px rgba(0, 150, 255, 0.45));
    animation: neon-text-pulse 2.8s ease-in-out infinite;
}

@keyframes neon-text-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 8px  rgba(0, 210, 255, 0.75))
                drop-shadow(0 0 20px rgba(0, 150, 255, 0.45));
    }
    50% {
        filter: drop-shadow(0 0 14px rgba(0, 230, 255, 1.00))
                drop-shadow(0 0 32px rgba(0, 180, 255, 0.75))
                drop-shadow(0 0 55px rgba(80, 120, 255, 0.40));
    }
}

/* 스크롤 힌트 */
.hero-scroll-hint {
    position: absolute;
    bottom: 36px; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 10;
    opacity: 0;
    animation: fade-up 1s ease-out 1.5s forwards;
}

.hero-scroll-hint span {
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--white-30);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--blue-neon), transparent);
    animation: scroll-anim 2s ease-in-out infinite;
}

@keyframes scroll-anim {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   MARQUEE
   ============================================= */
.marquee-section {
    background: linear-gradient(90deg,
        #000c1a 0%,
        #001030 20%,
        #001840 50%,
        #001030 80%,
        #000c1a 100%);
    border-top: 1px solid rgba(0, 180, 255, 0.35);
    border-bottom: 1px solid rgba(0, 180, 255, 0.35);
    overflow: hidden;
    padding: 18px 0;
    position: relative;
    z-index: 5;
    box-shadow:
        0 0 0 1px rgba(0, 100, 255, 0.08),
        inset 0 1px 0 rgba(0, 180, 255, 0.10),
        inset 0 -1px 0 rgba(0, 180, 255, 0.10),
        0 0 40px rgba(0, 140, 255, 0.08);
}

.marquee-section::before,
.marquee-section::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 120px;
    z-index: 2;
}

.marquee-section::before { left: 0; background: linear-gradient(to right, #000c1a 60%, transparent); }
.marquee-section::after  { right: 0; background: linear-gradient(to left,  #000c1a 60%, transparent); }

.marquee-track { overflow: hidden; }

.marquee-content {
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: marquee-scroll 30s linear infinite;
}

.marquee-content-reverse {
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: marquee-scroll-reverse 25s linear infinite;
}

.marquee-content span,
.marquee-content-reverse span {
    padding: 0 24px;
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 3px;
    color: rgba(100, 210, 255, 0.75);
    text-transform: uppercase;
    text-shadow:
        0 0 12px rgba(0, 180, 255, 0.55),
        0 0 24px rgba(0, 120, 255, 0.25);
}

.marquee-dot {
    color: rgba(0, 220, 255, 0.9) !important;
    font-size: 9px !important;
    padding: 0 4px !important;
    text-shadow:
        0 0 8px rgba(0, 200, 255, 0.9),
        0 0 20px rgba(0, 150, 255, 0.6),
        0 0 40px rgba(0, 100, 255, 0.3) !important;
    animation: dot-neon-pulse 2.2s ease-in-out infinite;
}

@keyframes dot-neon-pulse {
    0%, 100% { opacity: 0.8; text-shadow: 0 0 8px rgba(0,200,255,0.9), 0 0 20px rgba(0,150,255,0.6), 0 0 40px rgba(0,100,255,0.3); }
    50%       { opacity: 1;   text-shadow: 0 0 12px rgba(0,220,255,1),   0 0 30px rgba(0,180,255,0.9), 0 0 60px rgba(0,120,255,0.5); }
}

@keyframes marquee-scroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

@keyframes marquee-scroll-reverse {
    from { transform: translateX(-50%); }
    to { transform: translateX(0); }
}

/* 세 번째 마퀴 (하단 / 푸터 위) */
.marquee-content-bottom {
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
    animation: marquee-scroll 38s linear infinite;
}

.marquee-bottom {
    background: linear-gradient(90deg,
        #000c1a 0%,
        #000f28 25%,
        #001540 50%,
        #000f28 75%,
        #000c1a 100%);
    border-top: 1px solid rgba(0, 180, 255, 0.30);
    border-bottom: 1px solid rgba(0, 180, 255, 0.30);
    padding: 20px 0;
    overflow: hidden;
    position: relative;
    z-index: 5;
    box-shadow:
        inset 0 1px 0 rgba(0, 180, 255, 0.08),
        inset 0 -1px 0 rgba(0, 180, 255, 0.08),
        0 0 35px rgba(0, 120, 255, 0.07);
}

.marquee-bottom::before,
.marquee-bottom::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    width: 120px;
    z-index: 2;
}

.marquee-bottom::before {
    left: 0;
    background: linear-gradient(to right, var(--navy-dark), transparent);
}

.marquee-bottom::after {
    right: 0;
    background: linear-gradient(to left, var(--navy-dark), transparent);
}

.marquee-bottom .marquee-content-bottom span {
    font-family: 'Montserrat', 'Pretendard', sans-serif;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 4px;
    color: rgba(80, 200, 255, 0.65);
    text-transform: uppercase;
    padding: 0 28px;
    text-shadow:
        0 0 10px rgba(0, 180, 255, 0.50),
        0 0 22px rgba(0, 120, 255, 0.25);
}

.marquee-bottom .marquee-dot {
    color: rgba(0, 210, 255, 0.85) !important;
    font-size: 9px !important;
    padding: 0 4px !important;
    text-shadow:
        0 0 8px rgba(0, 200, 255, 0.9),
        0 0 20px rgba(0, 150, 255, 0.6) !important;
    animation: dot-neon-pulse 2.8s ease-in-out infinite;
}

.marquee-bottom:hover .marquee-content-bottom {
    animation-play-state: paused;
}

.marquee-section:hover .marquee-content,
.marquee-section:hover .marquee-content-reverse {
    animation-play-state: paused;
}

/* =============================================
   SECTION COMMON
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--blue-neon);
    margin-bottom: 16px;
    position: relative;
    padding: 0 24px;
}

.section-tag::before, .section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px; height: 1px;
    background: var(--blue-neon);
}

.section-tag::before { left: 0; }
.section-tag::after { right: 0; }

.section-title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 16px;
}

.section-title em {
    font-style: normal;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 16px;
    color: var(--white-60);
    line-height: 1.8;
}

/* =============================================
   PROBLEM SECTION
   ============================================= */
.problem-section {
    padding: 100px 0;
    background: var(--navy-dark);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.problem-card {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 36px 28px;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.problem-card:hover {
    transform: translateY(-8px);
    border-color: var(--blue-neon);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0,180,255,0.1);
}

.problem-icon {
    width: 60px; height: 60px;
    border-radius: 16px;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    color: var(--blue-neon);
    margin-bottom: 20px;
    transition: var(--transition);
}

.problem-icon.danger {
    background: rgba(255, 50, 50, 0.1);
    border-color: rgba(255, 50, 50, 0.3);
    color: #ff6060;
}

.problem-card:hover .problem-icon {
    background: rgba(0, 180, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.2);
}

.problem-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.problem-card p { font-size: 15px; color: var(--white-60); line-height: 1.7; }

/* 통계 배너 */
.stats-banner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    background: linear-gradient(135deg, var(--navy-mid), var(--navy));
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    overflow: hidden;
}

.stats-item {
    display: flex; flex-direction: column; align-items: center;
    padding: 36px 24px;
    text-align: center;
    background: var(--card-bg);
    transition: var(--transition);
}

.stats-item:hover { background: rgba(0, 32, 96, 0.9); }

.stats-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 38px;
    font-weight: 900;
    color: var(--blue-neon);
    text-shadow: var(--neon-glow);
    line-height: 1;
    margin-bottom: 10px;
}

.stats-text { font-size: 14px; color: var(--white-60); }

/* =============================================
   PRODUCT SECTION
   ============================================= */
.product-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-images { display: flex; flex-direction: column; gap: 16px; }

.product-main-img { border-radius: 20px; overflow: hidden; }

.product-sub-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ── 실제 이미지 래퍼 (PRODUCT 섹션) ── */
.product-img-wrap {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    border: 1.5px solid rgba(0, 180, 255, 0.25);
    background: #000a1c;
    box-shadow:
        0 0 30px rgba(0, 180, 255, 0.08),
        0 16px 48px rgba(0, 0, 0, 0.55);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1),
                border-color 0.35s ease,
                box-shadow 0.35s ease;
    cursor: pointer;
}

.product-img-wrap:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: rgba(0, 200, 255, 0.55);
    box-shadow:
        0 0 40px rgba(0, 180, 255, 0.18),
        0 24px 60px rgba(0, 0, 0, 0.65);
}

/* 메인 이미지 높이 */
.product-main-img .product-img-wrap {
    height: 320px;
}

/* 서브 이미지 높이 */
.product-img-wrap.sub {
    height: 220px;
}

/* 서브 이미지 — PNG 흰배경 자연스럽게 contain */
.product-img-wrap.sub img {
    object-fit: contain;
    background: #f8f8f6;
    padding: 12px;
}

.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.5s ease;
}

.product-img-wrap:hover img {
    transform: scale(1.04);
}

/* 메인 이미지 — 인포그래픽은 전체 내용 보이게 contain */
.product-main-img .product-img-wrap img {
    object-fit: contain;
    background: #060d1e;
    padding: 4px;
}

/* 배지 — 메인 이미지 우상단 */
.product-img-badge {
    position: absolute;
    top: 14px; right: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(0, 8, 24, 0.88);
    border: 1px solid rgba(0, 200, 255, 0.45);
    border-radius: 20px;
    font-family: 'Pretendard', sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: #00d4ff;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2;
}

.product-img-badge i {
    font-size: 11px;
}

/* 서브 이미지 레이블 — 하단 */
.product-img-label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 10px 16px;
    background: linear-gradient(to top, rgba(0,8,24,0.90) 0%, transparent 100%);
    font-family: 'Pretendard', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: rgba(180, 230, 255, 0.90);
    letter-spacing: 1px;
    text-align: center;
    z-index: 2;
}

.img-placeholder {
    background: var(--card-bg);
    border: 2px dashed rgba(0,180,255,0.25);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: rgba(0,180,255,0.4);
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.img-placeholder:hover {
    border-color: var(--blue-neon);
    background: rgba(0,20,51,0.9);
    box-shadow: 0 0 20px rgba(0,180,255,0.1);
}

.img-placeholder i { font-size: 30px; }
.img-placeholder p { font-size: 13px; color: var(--white-60); font-weight: 500; }
.img-placeholder span { font-size: 11px; color: var(--white-30); }
.img-placeholder.large { height: 320px; }
.img-placeholder.small { height: 180px; font-size: 12px; }
.img-placeholder.specs-img { height: 100%; min-height: 520px; }
.specs-image { align-self: stretch; display: flex; flex-direction: column; }

.specs-image {
    align-self: stretch;
    display: flex;
    flex-direction: column;
}

.specs-gif-wrap {
    width: 100%;
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    border: 1.5px solid rgba(0, 180, 255, 0.25);
    box-shadow:
        0 0 40px rgba(0, 180, 255, 0.10),
        0 20px 56px rgba(0, 0, 0, 0.55);
    background: #0a0a0a;
    line-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 520px;
}

.specs-gif-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.img-placeholder img {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 14px;
}

.product-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0,180,255,0.1);
    border: 1px solid rgba(0,180,255,0.3);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--blue-neon);
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.product-name {
    font-size: 36px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.2;
}

.product-description {
    font-size: 16px;
    color: var(--white-60);
    line-height: 1.8;
    margin-bottom: 28px;
}

.product-description strong { color: var(--blue-neon); }

.product-points { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }

.product-points li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.point-icon {
    color: var(--blue-neon);
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.product-points li strong { display: block; color: var(--white); font-size: 15px; margin-bottom: 4px; }
.product-points li p { font-size: 13px; color: var(--white-60); }

.product-price {
    background: var(--white-10);
    border: 1px solid var(--border-glow);
    border-radius: 14px;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.price-regular { font-size: 13px; color: var(--white-30); margin-bottom: 4px; }
.price-regular s { text-decoration: line-through; }
.price-sale { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 6px; }
.price-sale strong { color: var(--blue-neon); font-size: 28px; }
.price-bulk { font-size: 12px; color: var(--blue-neon); }

.product-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* 제품 상세 GIF */
.product-detail-gif-wrap {
    margin-top: 60px;
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1.5px solid rgba(0, 180, 255, 0.25);
    box-shadow:
        0 0 40px rgba(0, 180, 255, 0.10),
        0 24px 64px rgba(0, 0, 0, 0.55);
    background: #05101e;
    max-width: 860px;
    margin-left: auto;
    margin-right: auto;
}

.product-detail-gif-label {
    position: absolute;
    top: 16px; left: 20px;
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 14px;
    background: rgba(0, 8, 24, 0.88);
    border: 1px solid rgba(0, 200, 255, 0.40);
    border-radius: 20px;
    font-family: 'Pretendard', sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: #00d4ff;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(0, 200, 255, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2;
}

.product-detail-gif-label i {
    font-size: 13px;
    animation: gif-play-pulse 1.8s ease-in-out infinite;
}

@keyframes gif-play-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

.product-detail-gif {
    width: 100%;
    height: auto;
    display: block;
    max-height: 520px;
    object-fit: cover;
}

.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 24px;
    border: 1.5px solid var(--border-glow);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--blue-neon);
    color: var(--blue-neon);
    background: rgba(0,180,255,0.08);
}

/* =============================================
   FEATURES SECTION
   ============================================= */
.features-section {
    padding: 100px 0;
    background: var(--navy-dark);
}

/* 비교표 */
.compare-table {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 60px;
    backdrop-filter: blur(8px);
}

.compare-header {
    display: grid;
    grid-template-columns: 1.5fr 2fr 2.5fr;
    background: linear-gradient(90deg, var(--navy-mid), var(--navy));
    border-bottom: 1px solid var(--border-glow);
}

.compare-row {
    display: grid;
    grid-template-columns: 1.5fr 2fr 2.5fr;
    border-bottom: 1px solid rgba(0,180,255,0.08);
    transition: var(--transition);
}

.compare-row:last-child { border-bottom: none; }
.compare-row:hover { background: rgba(0,32,96,0.4); }

.compare-cell {
    padding: 16px 24px;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.compare-feature-col { color: var(--white-60); font-weight: 500; }

.compare-header .compare-cell {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--white-60);
}

.compare-header .compare-new { color: var(--blue-neon); }

.compare-old { color: var(--white-60); }

.compare-new { color: var(--white); font-weight: 500; }

.fa-check-circle.good { color: var(--blue-neon); margin-right: 8px; }
.fa-times-circle.bad { color: #ff5555; margin-right: 8px; }
.fa-minus-circle.neutral { color: #aaa; margin-right: 8px; }

/* 특장점 카드 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 32px 24px;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    transform: scaleX(0);
    transform-origin: left;
    transition: 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0,180,255,0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 30px rgba(0,180,255,0.1);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--blue-neon);
    opacity: 0.5;
    margin-bottom: 16px;
}

.feature-icon-wrap {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(0,102,255,0.15);
    border: 1px solid rgba(0,102,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    color: var(--blue-neon);
    margin-bottom: 18px;
    transition: var(--transition);
}

.feature-card:hover .feature-icon-wrap {
    background: rgba(0,180,255,0.2);
    box-shadow: 0 0 20px rgba(0,180,255,0.2);
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.feature-card p { font-size: 14px; color: var(--white-60); line-height: 1.7; margin-bottom: 16px; }



/* =============================================
   SPECS SECTION
   ============================================= */
.specs-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.specs-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: stretch;
    margin-bottom: 70px;
}

.specs-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(8px);
}

.specs-table tr { border-bottom: 1px solid rgba(0,180,255,0.08); }
.specs-table tr:last-child { border-bottom: none; }
.specs-table tr:hover td, .specs-table tr:hover th { background: rgba(0,32,96,0.4); }

.specs-table th {
    width: 40%;
    padding: 16px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--blue-neon);
    background: rgba(0,20,51,0.5);
    text-align: left;
    border-right: 1px solid rgba(0,180,255,0.1);
}

.specs-table td {
    padding: 16px 24px;
    font-size: 14px;
    color: var(--white-80);
    background: rgba(0,12,26,0.3);
}

/* 타깃 섹션 */
.target-title {
    font-size: 28px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 36px;
    color: var(--white);
}

.target-title em {
    font-style: normal;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

.target-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 24px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    font-size: 13px;
    color: var(--white-60);
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.target-card i { font-size: 28px; color: var(--blue-neon); }

.target-card:hover {
    background: rgba(0,32,96,0.7);
    border-color: var(--blue-neon);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* =============================================
   CONTACT SECTION
   ============================================= */
.contact-section {
    padding: 100px 0;
    position: relative;
    background: var(--navy-dark);
}

.contact-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% 50%, rgba(0, 60, 180, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 60px;
    align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 16px; }

.info-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 20px 24px;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.info-card:hover { border-color: var(--blue-neon); background: rgba(0,20,51,0.9); }

.info-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    background: rgba(0,102,255,0.15);
    border: 1px solid rgba(0,102,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    color: var(--blue-neon);
    flex-shrink: 0;
}

.info-content { display: flex; flex-direction: column; gap: 4px; }
.info-label { font-size: 11px; color: var(--white-30); letter-spacing: 1px; text-transform: uppercase; }
.info-value { font-size: 15px; font-weight: 600; color: var(--white); transition: var(--transition); }
a.info-value:hover { color: var(--blue-neon); }
.info-desc { font-size: 12px; color: var(--white-30); }

.btn-call-large {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    padding: 18px 32px;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue-neon));
    border-radius: 14px;
    font-size: 17px;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0,102,255,0.4);
    margin-top: 8px;
}

.btn-call-large:hover { transform: translateY(-3px); box-shadow: var(--neon-glow); }

/* 문의 폼 */
.contact-form-wrap {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(12px);
}

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--white-60);
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(0,12,26,0.8);
    border: 1px solid rgba(0,180,255,0.2);
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    color: var(--white);
    font-family: 'Noto Sans KR', sans-serif;
    outline: none;
    transition: var(--transition);
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--white-30); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--blue-neon);
    box-shadow: 0 0 15px rgba(0,180,255,0.15);
    background: rgba(0,20,51,0.9);
}

.form-group select option { background: var(--navy-dark); color: var(--white); }

.form-group textarea { resize: vertical; min-height: 120px; }

.form-privacy {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
    color: var(--white-60);
}

.form-privacy input[type="checkbox"] {
    width: 16px; height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--blue-neon);
    cursor: pointer;
    padding: 0;
}

.btn-submit {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue-neon));
    border-radius: 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(0,102,255,0.4);
}

.btn-submit:hover { transform: translateY(-2px); box-shadow: var(--neon-glow); }
.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-result {
    text-align: center;
    font-size: 14px;
    min-height: 20px;
    font-weight: 500;
}

.form-result.success { color: var(--blue-neon); }
.form-result.error { color: #ff6060; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
    background: rgba(0,0,0,0.5);
    border-top: 1px solid var(--border-glow);
    padding: 60px 0 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 28px;
}

.footer-logo-main {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: 20px;
    letter-spacing: 3px;
    background: linear-gradient(90deg, #fff, var(--blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo-sub { font-size: 11px; color: var(--white-30); letter-spacing: 2px; }

.footer-brand p { font-size: 14px; color: var(--white-30); line-height: 1.8; }

.footer-links h4,
.footer-contact h4 {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white-60);
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-links ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links a {
    font-size: 14px;
    color: var(--white-30);
    transition: var(--transition);
}

.footer-links a:hover { color: var(--blue-neon); padding-left: 6px; }

.footer-contact p {
    font-size: 14px;
    color: var(--white-30);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i { color: var(--blue-neon); width: 16px; }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.footer-bottom p { font-size: 12px; color: var(--white-30); }

/* =============================================
   FLOATING BUTTONS
   ============================================= */
.floating-btns {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-btn {
    position: relative;
    width: 56px; height: 56px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    overflow: visible;
}

.float-call {
    background: linear-gradient(135deg, #0066ff, #00b4ff);
    color: white;
    animation: float-pulse 2.5s ease-in-out infinite;
}

.float-inquiry {
    background: var(--card-bg);
    border: 1.5px solid var(--border-glow);
    color: var(--blue-neon);
}

.float-top {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    color: var(--white-60);
    font-size: 16px;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.float-top.visible { opacity: 1; pointer-events: all; }

.float-btn:hover { transform: scale(1.12) translateY(-3px); }
.float-call:hover { box-shadow: var(--neon-glow); }

.float-label {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%; transform: translateY(-50%);
    background: var(--navy-mid);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--white);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.float-btn:hover .float-label { opacity: 1; }

@keyframes float-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(0,102,255,0.4); }
    50% { box-shadow: 0 4px 30px rgba(0,180,255,0.7), 0 0 40px rgba(0,180,255,0.3); }
}

/* =============================================
   MODAL
   ============================================= */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: 0.3s;
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal-box {
    background: linear-gradient(135deg, var(--navy), var(--navy-mid));
    border: 1px solid var(--blue-neon);
    border-radius: 24px;
    padding: 52px 48px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--neon-glow), 0 30px 80px rgba(0,0,0,0.6);
    transform: scale(0.8);
    transition: 0.3s;
}

.modal-overlay.active .modal-box { transform: scale(1); }

.modal-icon {
    font-size: 52px;
    color: var(--blue-neon);
    margin-bottom: 20px;
    text-shadow: var(--neon-glow);
}

.modal-box h3 { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.modal-box p { font-size: 15px; color: var(--white-60); line-height: 1.7; margin-bottom: 28px; }

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos][data-aos-delay="100"] { transition-delay: 0.1s; }
[data-aos][data-aos-delay="200"] { transition-delay: 0.2s; }
[data-aos][data-aos-delay="300"] { transition-delay: 0.3s; }

/* =============================================
   RESPONSIVE
   ============================================= */
/* =============================================
   HOW TO USE SECTION
   ============================================= */
.howto-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 100%);
}

.howto-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin-bottom: 56px;
    position: relative;
}

.howto-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 24px;
    position: relative;
}

.step-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 72px;
    font-weight: 900;
    color: rgba(0, 180, 255, 0.08);
    line-height: 1;
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 0;
}

.step-img-wrap {
    width: 100%;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.step-img-real {
    width: 100%;
    height: 200px;
    border-radius: 16px;
    overflow: hidden;
    background: #f5f5f3;
    border: 1.5px solid rgba(0, 180, 255, 0.20);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-img-real img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
}

.img-placeholder.step-img {
    height: 200px;
    width: 100%;
    border-radius: 16px;
}

.step-icon-wrap {
    width: 64px; height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-bright), var(--blue-neon));
    display: flex; align-items: center; justify-content: center;
    font-size: 26px;
    color: var(--white);
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.howto-step:hover .step-icon-wrap {
    transform: scale(1.1);
    box-shadow: var(--neon-glow);
}

.howto-step h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.howto-step p {
    font-size: 14px;
    color: var(--white-60);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.howto-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 130px;
    color: var(--blue-neon);
    font-size: 22px;
    opacity: 0.5;
    flex-shrink: 0;
}

.howto-highlights {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(8px);
}

.howto-hl-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 20px;
    transition: var(--transition);
}

.howto-hl-item:hover { background: rgba(0, 32, 96, 0.5); }

.howto-hl-item i {
    font-size: 22px;
    color: var(--blue-neon);
}

.howto-hl-item span { font-size: 15px; color: var(--white-80); }
.howto-hl-item strong { color: var(--blue-neon); }

.howto-hl-divider {
    width: 1px;
    height: 48px;
    background: var(--border-glow);
    flex-shrink: 0;
}

/* =============================================
   USE CASES SECTION
   ============================================= */
.usecases-section {
    padding: 100px 0;
    background: var(--navy-dark);
}

.usecase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

/* CASE 01 — 실사 이미지 */
.usecase-real-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.5s ease;
}

.usecase-card:hover .usecase-real-img {
    transform: scale(1.04);
}

/* CASE 02~06 — 아이콘 카드 */
.usecase-icon-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 28px 26px;
    background: linear-gradient(135deg, rgba(0,15,40,0.95), rgba(0,28,72,0.90));
    border: 1px solid rgba(0, 180, 255, 0.18);
    gap: 12px;
    transition: var(--transition);
}

.usecase-icon-card:hover {
    background: linear-gradient(135deg, rgba(0,20,55,1), rgba(0,38,90,0.95));
    border-color: rgba(0, 200, 255, 0.45);
    box-shadow: 0 0 28px rgba(0, 160, 255, 0.15), 0 12px 36px rgba(0,0,0,0.5);
}

.usecase-icon-wrap {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0,180,255,0.20), rgba(0,80,220,0.15));
    border: 1px solid rgba(0, 180, 255, 0.30);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #00d4ff;
    text-shadow: 0 0 12px rgba(0, 200, 255, 0.7);
    flex-shrink: 0;
    transition: var(--transition);
}

.usecase-icon-card:hover .usecase-icon-wrap {
    background: linear-gradient(135deg, rgba(0,200,255,0.28), rgba(0,100,255,0.22));
    border-color: rgba(0, 210, 255, 0.55);
    box-shadow: 0 0 18px rgba(0, 190, 255, 0.30);
}

.usecase-icon-card .usecase-tag {
    margin-bottom: 0;
}

.usecase-icon-card h3 {
    font-size: 16px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.4;
    margin: 0;
}

.usecase-icon-card p {
    font-size: 13px;
    color: var(--white-60);
    line-height: 1.65;
    margin: 0;
}

.usecase-card {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    cursor: default;
    transition: var(--transition);
}

.usecase-card:hover { transform: translateY(-6px); }
.usecase-card:hover .usecase-overlay { background: rgba(0, 10, 30, 0.85); }

.usecase-large {
    grid-column: span 1;
    grid-row: span 2;
}

.usecase-img-wrap {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 240px;
}

.usecase-large .usecase-img-wrap { min-height: 500px; }

.img-placeholder.usecase-img {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border-radius: 0;
    border: none;
    background: linear-gradient(135deg, rgba(0,12,26,0.95), rgba(0,32,96,0.7));
    min-height: inherit;
}

.img-placeholder.usecase-img-sm {
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border-radius: 0;
    border: none;
    background: linear-gradient(135deg, rgba(0,12,26,0.95), rgba(0,20,60,0.7));
}

.usecase-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 28px 24px;
    background: linear-gradient(to top, rgba(0, 10, 30, 0.95) 0%, rgba(0, 10, 30, 0.6) 60%, transparent 100%);
    transition: var(--transition);
    z-index: 2;
}

.usecase-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--blue-neon);
    padding: 4px 10px;
    border: 1px solid rgba(0, 180, 255, 0.4);
    border-radius: 20px;
    background: rgba(0, 180, 255, 0.1);
    margin-bottom: 10px;
}

.usecase-overlay h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.usecase-overlay p {
    font-size: 13px;
    color: var(--white-60);
    line-height: 1.6;
}

/* =============================================
   CERTIFICATION SECTION
   ============================================= */
.cert-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.cert-card {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 32px 28px;
    text-align: left;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    opacity: 0;
    transition: opacity 0.35s ease;
}

.cert-card:hover {
    border-color: var(--blue-neon);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 25px rgba(0,180,255,0.1);
}

.cert-card:hover::before { opacity: 1; }

/* 완료/출원 뱃지 */
.cert-status {
    position: absolute;
    top: 20px; right: 20px;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    padding: 4px 12px;
    border-radius: 20px;
}

.cert-status-done {
    background: rgba(0, 200, 120, 0.15);
    border: 1px solid rgba(0, 200, 120, 0.45);
    color: #00d48a;
    text-shadow: 0 0 8px rgba(0, 200, 120, 0.6);
}

.cert-status-filed {
    background: rgba(0, 140, 255, 0.12);
    border: 1px solid rgba(0, 180, 255, 0.35);
    color: #00c8ff;
    text-shadow: 0 0 8px rgba(0, 180, 255, 0.5);
}

.cert-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    color: var(--blue-neon);
    flex-shrink: 0;
}

.cert-card h4 {
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    margin: 0;
}

.cert-code {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px !important;
    font-weight: 600;
    letter-spacing: 1px;
    color: rgba(0, 200, 255, 0.65) !important;
    text-transform: uppercase;
    margin: 0 !important;
}

.cert-card > p {
    font-size: 13px;
    color: var(--white-60);
    line-height: 1.7;
    margin: 0;
}

/* 체크리스트 */
.cert-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-top: 4px;
    padding: 0;
    width: 100%;
    border-top: 1px solid rgba(0, 180, 255, 0.10);
    padding-top: 14px;
}

.cert-points li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(180, 220, 255, 0.80);
    font-weight: 500;
}

.cert-points li i {
    font-size: 10px;
    color: #00d4ff;
    text-shadow: 0 0 6px rgba(0, 200, 255, 0.7);
    flex-shrink: 0;
}

/* ── 인증서 이미지 슬롯 ── */
.cert-img-slot {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    border: 1.5px dashed rgba(0, 180, 255, 0.30);
    background: rgba(0, 8, 24, 0.55);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.cert-img-slot:hover {
    border-color: rgba(0, 180, 255, 0.60);
    background: rgba(0, 10, 30, 0.70);
}

/* 실제 이미지 — 파일이 있을 때 */
.cert-slot-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center top;
    display: block;
    border-radius: 10px;
    transition: transform 0.4s ease;
    padding: 6px;
    background: #fff;
}

.cert-img-slot:hover .cert-slot-img {
    transform: scale(1.04);
}

/* 플레이스홀더 — 이미지 없을 때 */
.cert-slot-placeholder {
    display: none;          /* onerror 시 flex로 전환 */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: rgba(0, 180, 255, 0.35);
    pointer-events: none;
    position: absolute;
    inset: 0;
}

.cert-slot-placeholder i {
    font-size: 26px;
    opacity: 0.55;
}

.cert-slot-placeholder span {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: rgba(0, 180, 255, 0.40);
}

/* 이미지가 처음부터 없는 경우 (src 미지정 시) 플레이스홀더 기본 표시 */
.cert-img-slot:not(:has(.cert-slot-img[src])) .cert-slot-placeholder,
.cert-img-slot .cert-slot-placeholder:only-child {
    display: flex;
}

.cert-numbers {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    background: linear-gradient(135deg, var(--navy-mid), var(--navy));
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    overflow: hidden;
}

.cert-num-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 36px 20px;
    background: var(--card-bg);
    text-align: center;
    transition: var(--transition);
}

.cert-num-item:hover { background: rgba(0, 32, 96, 0.8); }

.cert-big-num {
    font-family: 'Montserrat', sans-serif;
    font-size: 52px;
    font-weight: 900;
    color: var(--blue-neon);
    line-height: 1;
    text-shadow: 0 0 20px rgba(0,180,255,0.4);
}

.cert-big-unit {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--blue-neon);
    vertical-align: super;
    margin-left: 2px;
}

.cert-num-item p {
    font-size: 13px;
    color: var(--white-60);
    margin-top: 8px;
}

/* =============================================
   PARTNER SECTION
   ============================================= */
.partner-section {
    padding: 100px 0;
    background: var(--navy-dark);
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.partner-card {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 28px 22px;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
    overflow: hidden;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    transform: scaleX(0);
    transform-origin: left;
    transition: 0.4s ease;
}

.partner-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0, 180, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4), 0 0 25px rgba(0,180,255,0.1);
}

.partner-card:hover::before { transform: scaleX(1); }

.partner-icon-wrap {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    color: var(--blue-neon);
    transition: var(--transition);
}

.partner-card:hover .partner-icon-wrap {
    background: rgba(0, 180, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 180, 255, 0.2);
}

/* ── 파트너 카드 이미지 래퍼 ── */
.partner-img-wrap {
    width: 100%;
    height: 160px;
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
    background: rgba(0, 8, 24, 0.6);
}

.partner-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.45s ease;
}

.partner-card:hover .partner-img-wrap img {
    transform: scale(1.06);
}

/* 이미지 위 그라데이션 오버레이 */
.partner-img-wrap::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 8, 24, 0.55) 100%
    );
    pointer-events: none;
}

.img-placeholder.partner-img {
    height: 140px;
    border-radius: 12px;
    font-size: 11px;
}

.partner-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
}

.partner-card p {
    font-size: 13px;
    color: var(--white-60);
    line-height: 1.7;
    flex: 1;
}

.partner-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.3);
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    color: var(--blue-neon);
    align-self: flex-start;
}

/* B2B 배너 */
.b2b-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 40px 48px;
    background: linear-gradient(135deg, rgba(0, 32, 96, 0.8), rgba(0, 20, 51, 0.9));
    border: 1px solid var(--border-glow);
    border-radius: 24px;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}

.b2b-banner::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.b2b-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--blue-neon);
    padding: 5px 14px;
    border: 1px solid rgba(0, 180, 255, 0.4);
    border-radius: 20px;
    background: rgba(0, 180, 255, 0.1);
    margin-bottom: 14px;
    display: block;
}

.b2b-text h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

.b2b-text h3 strong { color: var(--blue-neon); }

.b2b-text p {
    font-size: 14px;
    color: var(--white-60);
}

.b2b-cta {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
    flex-wrap: wrap;
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(8px);
}

.faq-item:hover, .faq-item.open {
    border-color: var(--blue-neon);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.faq-q {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
    user-select: none;
}

.faq-item.open .faq-q { color: var(--blue-neon); }

.faq-icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    background: rgba(0, 102, 255, 0.15);
    border: 1px solid rgba(0, 102, 255, 0.3);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    font-size: 12px;
    color: var(--blue-neon);
    transition: var(--transition);
}

.faq-item.open .faq-icon {
    background: rgba(0, 180, 255, 0.2);
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-a p {
    font-size: 15px;
    color: var(--white-60);
    line-height: 1.8;
    padding-bottom: 22px;
    border-top: 1px solid var(--border-glow);
    padding-top: 18px;
}

.faq-a p strong { color: var(--blue-neon); }

.faq-item.open .faq-a {
    max-height: 300px;
}

/* =============================================
   ABOUT SECTION
   ============================================= */
.about-section {
    padding: 100px 0;
    background: var(--navy-dark);
    position: relative;
    overflow: hidden;
}

.about-bg-deco {
    position: absolute;
    top: -200px; right: -300px;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 60, 180, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 48px;
    align-items: start;
}

.about-main-img {
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    background: rgba(0, 8, 24, 0.6);
    border: 1px solid var(--border-glow);
}

/* 대표 사진 — 이미지 전체 표시 */
.about-ceo-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
    transition: transform 0.5s ease;
}

.about-main-img:hover .about-ceo-img {
    transform: scale(1.03);
}

/* 하단 이름 오버레이 */
.about-main-img::after {
    content: '김명진 대표이사';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 36px 18px 16px;
    background: linear-gradient(to top, rgba(0,5,20,0.88) 0%, transparent 100%);
    font-family: 'Pretendard', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: rgba(255,255,255,0.95);
    letter-spacing: 0.5px;
    border-radius: 0 0 16px 16px;
    pointer-events: none;
}

.img-placeholder.about-img {
    height: 400px;
    border-radius: 20px;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* 로고 박스 */
.about-logo-wrap {
    border-radius: 16px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(0, 180, 255, 0.20);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px 28px;
}

.about-logo-img {
    width: 100%;
    max-width: 220px;
    height: auto;
    display: block;
    object-fit: contain;
}

/* 제품 광고 이미지 박스 */
.about-ad-wrap {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-glow);
}

.about-ad-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.45s ease;
}

.about-ad-wrap:hover .about-ad-img {
    transform: scale(1.03);
}

/* 우측 컬럼 */
.about-right {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* CEO 메시지 */
.about-ceo-message {
    background: linear-gradient(135deg, rgba(0, 32, 96, 0.6), rgba(0, 20, 51, 0.8));
    border: 1px solid var(--border-glow);
    border-left: 4px solid var(--blue-neon);
    border-radius: 16px;
    padding: 28px 24px;
    position: relative;
    backdrop-filter: blur(8px);
}

.ceo-quote-icon {
    font-size: 32px;
    color: rgba(0, 180, 255, 0.25);
    margin-bottom: 14px;
}

.ceo-message-text {
    font-size: 15px;
    color: var(--white-80);
    line-height: 1.9;
    margin-bottom: 20px;
    font-style: italic;
}

.ceo-message-text strong { color: var(--blue-neon); font-style: normal; }

.ceo-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ceo-name {
    font-size: 17px;
    font-weight: 800;
    color: var(--white);
}

.ceo-title {
    font-size: 13px;
    color: var(--white-30);
}

/* 회사 기본정보 */
.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.about-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: var(--white-10);
    border: 1px solid var(--border-glow);
    border-radius: 12px;
    transition: var(--transition);
}

.about-info-item:hover { background: rgba(0, 32, 96, 0.4); border-color: var(--blue-neon); }

.about-info-item i {
    color: var(--blue-neon);
    font-size: 16px;
    margin-top: 3px;
    width: 18px;
    flex-shrink: 0;
}

.about-info-item div { display: flex; flex-direction: column; gap: 3px; }
.about-info-item strong { font-size: 12px; color: var(--blue-neon); letter-spacing: 0.5px; }
.about-info-item span { font-size: 13px; color: var(--white-80); }

/* 미션·비전 */
.about-mv {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.about-mv-item {
    padding: 20px 22px;
    background: var(--white-10);
    border: 1px solid var(--border-glow);
    border-radius: 14px;
    transition: var(--transition);
}

.about-mv-item:hover { border-color: var(--blue-neon); background: rgba(0, 20, 51, 0.7); }

.mv-label {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--blue-neon);
    background: rgba(0, 180, 255, 0.1);
    border: 1px solid rgba(0, 180, 255, 0.3);
    border-radius: 20px;
    padding: 3px 10px;
    margin-bottom: 10px;
}

.about-mv-item p {
    font-size: 14px;
    color: var(--white-60);
    line-height: 1.7;
}

/* =============================================
   CTA BANNER SECTION
   ============================================= */
.cta-banner-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
    overflow: hidden;
}

.cta-banner-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 20% 50%, rgba(0, 102, 255, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse 40% 60% at 80% 50%, rgba(0, 180, 255, 0.08) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    align-items: center;
    padding: 60px;
    background: var(--card-bg);
    border: 1px solid var(--border-glow);
    border-radius: 32px;
    backdrop-filter: blur(16px);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}

.cta-banner-tag {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--blue-neon);
    padding: 6px 16px;
    border: 1px solid rgba(0, 180, 255, 0.4);
    border-radius: 20px;
    background: rgba(0, 180, 255, 0.1);
    margin-bottom: 20px;
    display: block;
}

.cta-banner-title {
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 16px;
}

.cta-banner-title em {
    font-style: normal;
    background: linear-gradient(90deg, var(--blue-bright), var(--blue-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-banner-desc {
    font-size: 15px;
    color: var(--white-60);
    line-height: 1.7;
    margin-bottom: 28px;
}

.cta-banner-desc strong { color: var(--blue-neon); font-weight: 700; }

.cta-check-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cta-check-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--white-80);
}

.cta-check-list i {
    color: var(--blue-neon);
    font-size: 14px;
    flex-shrink: 0;
}

.cta-price-box {
    background: linear-gradient(135deg, rgba(0, 32, 96, 0.8), rgba(0, 12, 26, 0.9));
    border: 1px solid var(--blue-neon);
    border-radius: 24px;
    padding: 40px 36px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0, 180, 255, 0.15);
}

.cta-price-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--blue-neon);
    margin-bottom: 10px;
}

.cta-price-old {
    font-size: 14px;
    color: var(--white-30);
    margin-bottom: 6px;
}

.cta-price-main {
    font-family: 'Montserrat', sans-serif;
    font-size: 52px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    text-shadow: 0 0 20px rgba(0,180,255,0.3);
    margin-bottom: 4px;
}

.cta-price-main span {
    font-size: 24px;
    color: var(--white-60);
}

.cta-price-supply {
    font-size: 13px;
    color: var(--blue-neon);
    margin-bottom: 28px;
}

.cta-btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cta-full-btn {
    width: 100%;
    justify-content: center;
}

/* =============================================
   RESPONSIVE - NEW SECTIONS
   ============================================= */
@media (max-width: 1200px) {
    .hero-image-area { right: 2%; }
    .product-showcase { width: 400px; height: 400px; }
    .showcase-ring-1 { width: 400px; height: 400px; }
    .showcase-ring-2 { width: 320px; height: 320px; }
    .showcase-ring-3 { width: 240px; height: 240px; }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .target-grid { grid-template-columns: repeat(3, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-numbers { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(2, 1fr); }
    .usecase-grid { grid-template-columns: repeat(2, 1fr); }
    .usecase-large { grid-column: span 2; grid-row: span 1; }
}

@media (max-width: 992px) {
    .hero { flex-direction: column; padding: 100px 0 60px; text-align: center; min-height: auto; }
    .hero-content { max-width: 100%; }
    .hero-cta { justify-content: center; }
    .hero-stats { justify-content: center; gap: 8px; }
    .hero-image-area { position: relative; right: auto; top: auto; transform: none; margin-top: 48px; animation: fade-up 1s ease-out 0.5s forwards; }
    .hero-app-card-1 { top: 8px; right: -10px; min-width: 180px; }
    .hero-app-card-2 { bottom: 8px; left: -10px; min-width: 180px; }
    .hero-neon-copy { text-align: left; }
    .hero-scroll-hint { display: none; }
    .problem-grid { grid-template-columns: repeat(2, 1fr); }
    .product-layout { grid-template-columns: 1fr; }
    .specs-layout { grid-template-columns: 1fr; }
    .contact-layout { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .compare-header, .compare-row { font-size: 13px; }
    .target-grid { grid-template-columns: repeat(3, 1fr); }
    /* 신규 섹션 반응형 */
    .howto-steps { flex-direction: column; align-items: center; }
    .howto-arrow { transform: rotate(90deg); padding: 0; margin: 8px 0; }
    .howto-highlights { flex-wrap: wrap; }
    .howto-hl-divider { display: none; }
    .howto-hl-item { flex: 0 0 50%; }
    .usecase-grid { grid-template-columns: 1fr; }
    .usecase-large { grid-column: span 1; }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .partner-grid { grid-template-columns: repeat(2, 1fr); }
    .about-layout { grid-template-columns: 1fr; }
    .cta-banner-content { grid-template-columns: 1fr; padding: 40px 28px; gap: 32px; }
    .b2b-banner { flex-direction: column; text-align: center; padding: 32px 24px; }
    .b2b-cta { justify-content: center; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; position: fixed; top: 72px; left: 0; right: 0; background: rgba(0,12,26,0.97); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border-glow); gap: 4px; }
    .nav-menu.open { display: flex; }
    .nav-toggle { display: flex; }
    .admin-btn span { display: none; }
    .problem-grid { grid-template-columns: 1fr; }
    .stats-banner { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .target-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .compare-header { display: none; }
    .compare-row { grid-template-columns: 1fr 1fr; font-size: 13px; }
    .compare-feature-col { grid-column: 1 / -1; background: rgba(0,20,51,0.5); font-weight: 700; color: var(--white-60); }
    .compare-old::before { content: '기존: '; color: var(--white-30); font-size: 11px; }
    .compare-new::before { content: '데일리가드: '; color: var(--blue-neon); font-size: 11px; }
    .contact-form-wrap { padding: 24px 20px; }
    .form-row { grid-template-columns: 1fr; }
    .product-showcase { width: 300px; height: 300px; }
    .showcase-ring-1 { width: 300px; height: 300px; }
    .showcase-ring-2 { width: 240px; height: 240px; }
    .showcase-ring-3 { width: 180px; height: 180px; }
    .product-image-placeholder { width: 240px; height: 240px; }
    .floating-btns { bottom: 20px; right: 16px; }
    /* 신규 섹션 768px */
    .cert-grid { grid-template-columns: 1fr 1fr; }
    .cert-numbers { grid-template-columns: 1fr 1fr; }
    .partner-grid { grid-template-columns: 1fr; }
    .about-info-grid { grid-template-columns: 1fr; }
    .faq-q { font-size: 14px; }
    .cta-banner-content { padding: 28px 20px; }
    .cta-price-main { font-size: 42px; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .target-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-stats { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 8px; }
    .stat-item { min-width: 90px; padding: 14px 18px; }
    .stat-divider { display: none; }
}