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

:root {
    --primary: #1B5E9E;
    --primary-dark: #0D3B6E;
    --primary-light: #E3F0FC;
    --primary-50: rgba(27, 94, 158, 0.08);
    --accent: #00B8A9;
    --accent-light: #E0F7F5;
    --text: #1A1A2E;
    --text-secondary: #5A6072;
    --text-light: #8B92A5;
    --bg: #FFFFFF;
    --bg-alt: #F6F8FB;
    --bg-dark: #0F1923;
    --border: #E2E6EE;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== Logo Image ===== */
.logo-img { height: 44px; width: auto; }
.logo-img-footer { height: 36px; filter: brightness(0) invert(1); opacity: 0.85; margin-bottom: 16px; }

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.header.scrolled {
    border-bottom-color: var(--border);
    box-shadow: var(--shadow-sm);
}
.header .container {
    display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { color: var(--primary); display: flex; }
.logo-text strong { display: block; font-size: 20px; font-weight: 800; color: var(--primary); line-height: 1.2; letter-spacing: -0.5px; }
.logo-text small { display: block; font-size: 11px; color: var(--text-light); font-weight: 500; letter-spacing: 1px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 16px; font-size: 15px; font-weight: 500; color: var(--text-secondary); border-radius: var(--radius-sm); transition: var(--transition); }
.nav-link:hover { color: var(--primary); background: var(--primary-50); }
.nav-cta { background: var(--primary); color: #fff !important; margin-left: 8px; padding: 8px 20px; border-radius: 50px; }
.nav-cta:hover { background: var(--primary-dark) !important; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 28px; font-size: 15px; font-weight: 600; border-radius: 50px;
    border: 2px solid transparent; cursor: pointer; transition: var(--transition);
    font-family: inherit; line-height: 1.4;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27,94,158,0.3); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero {
    position: relative; padding: 160px 0 100px; overflow: hidden;
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 30%, #F5FAFF 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-shape { position: absolute; border-radius: 50%; opacity: 0.4; }
.hero-shape-1 { width: 500px; height: 500px; top: -200px; right: -100px; background: radial-gradient(circle, rgba(27,94,158,0.12) 0%, transparent 70%); }
.hero-shape-2 { width: 400px; height: 400px; bottom: -150px; left: -100px; background: radial-gradient(circle, rgba(0,184,169,0.1) 0%, transparent 70%); }
.hero-shape-3 { width: 250px; height: 250px; top: 50%; right: 20%; background: radial-gradient(circle, rgba(27,94,158,0.08) 0%, transparent 70%); }
.hero-content { position: relative; max-width: 700px; }
.hero-badge { display: inline-block; padding: 8px 20px; background: rgba(27,94,158,0.1); color: var(--primary); font-size: 14px; font-weight: 600; border-radius: 50px; margin-bottom: 24px; }
.hero h1 { font-size: 48px; font-weight: 800; line-height: 1.3; letter-spacing: -1.5px; color: var(--text); margin-bottom: 12px; }
.hero h1 em { font-style: normal; color: var(--primary); font-size: 56px; }
.hero-sub {
    font-size: 20px; color: var(--primary); font-weight: 600; margin-bottom: 16px;
    padding: 10px 24px; background: rgba(27,94,158,0.08); border-radius: 50px; display: inline-block;
}
.hero-sub strong { color: #00897B; font-weight: 700; }
.hero p { font-size: 18px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 16px; }
.hero-callback {
    font-size: 15px; color: var(--text-secondary); margin-bottom: 48px;
    padding-left: 2px;
}
.hero-callback strong { color: var(--primary); font-weight: 700; }
.hero-stats {
    display: inline-flex; align-items: center; gap: 32px; padding: 28px 36px;
    background: rgba(255,255,255,0.8); backdrop-filter: blur(8px);
    border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.9); box-shadow: var(--shadow-md);
}
.stat strong { display: block; font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.stat span { font-size: 13px; color: var(--text-light); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 60px; }
.section-label { display: inline-block; padding: 6px 16px; background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 700; border-radius: 50px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.section-header h2 { font-size: 36px; font-weight: 800; line-height: 1.3; letter-spacing: -0.5px; margin-bottom: 16px; }
.section-header p { font-size: 17px; color: var(--text-secondary); max-width: 500px; margin: 0 auto; }

/* ===== Doctor Profile ===== */
.doctor-profile {
    display: grid; grid-template-columns: 340px 1fr; gap: 56px; align-items: start;
    padding: 48px; background: var(--bg); border-radius: var(--radius-xl);
    border: 1px solid var(--border); box-shadow: var(--shadow-md);
}
.doctor-photo-wrap {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-lg); aspect-ratio: 3/4;
}
.doctor-photo {
    width: 100%; height: 100%; object-fit: cover; object-position: top center;
}
.doctor-info { padding: 8px 0; }
.doctor-name-area { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 2px solid var(--primary-light); }
.doctor-name-area h3 { font-size: 32px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 4px; }
.doctor-name-area h3 span { font-weight: 600; font-size: 24px; color: var(--text-secondary); }
.doctor-title { font-size: 17px; font-weight: 600; color: var(--primary); margin-bottom: 2px; }
.doctor-subtitle { font-size: 14px; color: var(--text-light); }
.doctor-credentials { margin-bottom: 28px; }
.credential-group { margin-bottom: 20px; }
.credential-group h4 {
    font-size: 13px; font-weight: 700; color: var(--primary); text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.credential-group ul li {
    padding: 4px 0 4px 16px; font-size: 14px; color: var(--text-secondary); line-height: 1.6;
    position: relative;
}
.credential-group ul li::before {
    content: ''; position: absolute; left: 0; top: 12px;
    width: 6px; height: 6px; border-radius: 50%; background: var(--primary-light);
}
.credential-group ul li strong { color: var(--primary); font-weight: 600; }
.doctor-highlight {
    display: flex; gap: 24px; padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F7FF 100%);
    border-radius: var(--radius-md);
}
.highlight-item { text-align: center; flex: 1; }
.highlight-item strong { display: block; font-size: 20px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.highlight-item span { font-size: 12px; color: var(--text-secondary); font-weight: 500; }

/* ===== Advantage Hero (Main Highlight) ===== */
.advantage-hero {
    display: flex; align-items: center; gap: 40px;
    padding: 48px 56px; margin-bottom: 48px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F7FF 100%);
    border-radius: var(--radius-xl); border: 2px solid rgba(27,94,158,0.12);
    position: relative; overflow: hidden;
}
.advantage-hero::after {
    content: ''; position: absolute; top: -60px; right: -40px; width: 200px; height: 200px;
    border-radius: 50%; background: rgba(27,94,158,0.06);
}
.advantage-hero-icon { flex-shrink: 0; }
.advantage-doctor-thumb {
    width: 120px; height: 120px; border-radius: 50%; object-fit: cover; object-position: top center;
    border: 4px solid rgba(27,94,158,0.15); box-shadow: var(--shadow-md);
}
.advantage-hero-content { position: relative; z-index: 1; }
.advantage-hero-badge {
    display: inline-block; padding: 4px 14px; background: var(--primary); color: #fff;
    font-size: 12px; font-weight: 700; border-radius: 50px; margin-bottom: 12px;
}
.advantage-hero-content h3 { font-size: 26px; font-weight: 800; line-height: 1.4; margin-bottom: 12px; color: var(--text); }
.advantage-hero-content p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; }
.advantage-hero-content p strong { color: var(--primary); font-weight: 700; }

/* ===== Advantages Grid ===== */
.advantages-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.adv-card {
    padding: 36px 28px; background: var(--bg); border-radius: var(--radius-lg);
    border: 1px solid var(--border); transition: var(--transition); position: relative;
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.adv-card-accent { border-color: var(--primary); background: linear-gradient(180deg, rgba(27,94,158,0.03) 0%, var(--bg) 100%); }
.adv-card-number { font-size: 32px; font-weight: 800; color: var(--primary-light); position: absolute; top: 20px; right: 24px; letter-spacing: -1px; }
.adv-card-icon { color: var(--primary); margin-bottom: 20px; }
.adv-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.adv-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.adv-card p strong { color: var(--primary); font-weight: 600; }

/* ===== Monitoring Grid ===== */
.monitoring-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.monitor-card {
    padding: 32px 24px; background: var(--bg); border-radius: var(--radius-lg);
    border: 1px solid var(--border); text-align: center; transition: var(--transition);
}
.monitor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.monitor-icon {
    width: 72px; height: 72px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.monitor-icon-1 { background: #E3F0FC; color: #1565C0; }
.monitor-icon-2 { background: #E8F5E9; color: #2E7D32; }
.monitor-icon-3 { background: #FFF3E0; color: #E65100; }
.monitor-icon-4 { background: #F3E5F5; color: #7B1FA2; }
.monitor-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.monitor-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.monitor-detail { margin-top: auto; }
.monitor-tag {
    display: inline-block; padding: 4px 12px; background: var(--bg-alt); color: var(--primary);
    font-size: 12px; font-weight: 600; border-radius: 50px;
}

/* ===== Products ===== */
.products-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-bottom: 28px;
}
.product-card {
    background: var(--bg); border-radius: var(--radius-lg); border: 1px solid var(--border);
    overflow: hidden; transition: var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-image {
    padding: 32px; background: linear-gradient(135deg, #F8FAFD 0%, var(--primary-light) 100%);
    display: flex; align-items: center; justify-content: center; min-height: 240px;
}
.product-photo { max-height: 200px; width: auto; object-fit: contain; margin: 0 auto; }
.product-info { padding: 28px; }
.product-origin {
    display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-light);
    font-weight: 500; margin-bottom: 8px;
}
.product-flag { font-size: 18px; }
.product-info h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.product-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.product-features { margin-bottom: 20px; }
.product-features li {
    display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; font-size: 14px; color: var(--text-secondary); line-height: 1.5;
}
.product-features li svg { flex-shrink: 0; margin-top: 2px; }
.product-features li strong { color: var(--text); font-weight: 600; }
.product-badge-row { display: flex; gap: 8px; flex-wrap: wrap; }
.product-badge {
    padding: 4px 12px; background: var(--primary-light); color: var(--primary);
    font-size: 12px; font-weight: 600; border-radius: 50px;
}
.products-note {
    display: flex; align-items: center; gap: 12px; padding: 20px 24px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F7FF 100%);
    border-radius: var(--radius-md); color: var(--primary); font-size: 14px; line-height: 1.6;
}
.products-note svg { flex-shrink: 0; }
.products-note strong { font-weight: 700; }

/* ===== Insurance ===== */
.insurance-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-xl); padding: 64px; color: #fff;
    position: relative; overflow: hidden;
}
.insurance-banner::before {
    content: ''; position: absolute; top: -50%; right: -10%;
    width: 400px; height: 400px; border-radius: 50%; background: rgba(255,255,255,0.05);
}
.insurance-banner::after {
    content: ''; position: absolute; bottom: -30%; left: 20%;
    width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,0.03);
}
.insurance-content { position: relative; z-index: 1; }
.insurance-content .section-label { background: rgba(255,255,255,0.15); color: #fff; }
.insurance-content h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.insurance-content > p { font-size: 16px; opacity: 0.85; margin-bottom: 32px; line-height: 1.8; }

.insurance-highlight { margin-bottom: 36px; display: flex; gap: 20px; flex-wrap: wrap; }
.insurance-price-box {
    display: inline-flex; flex-direction: column; align-items: center;
    padding: 28px 48px; background: rgba(255,255,255,0.12);
    border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
}
.insurance-price-label { font-size: 14px; opacity: 0.8; margin-bottom: 4px; font-weight: 500; }
.insurance-price-amount { font-size: 40px; font-weight: 800; letter-spacing: -1px; }
.insurance-price-sub { font-size: 13px; opacity: 0.65; margin-top: 4px; }
.insurance-price-box-alt { background: rgba(0,184,169,0.15); border-color: rgba(0,184,169,0.3); }
.insurance-price-box-alt .insurance-price-amount { color: #A5F3EC; }

.insurance-detail-table-wrap { margin-bottom: 32px; }
.insurance-detail-table {
    width: 100%; border-collapse: collapse; border-radius: var(--radius-sm); overflow: hidden;
    background: rgba(255,255,255,0.08);
}
.insurance-detail-table th,
.insurance-detail-table td {
    padding: 14px 20px; text-align: left; font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.insurance-detail-table thead th {
    background: rgba(255,255,255,0.1); font-weight: 700; font-size: 13px; letter-spacing: 0.5px;
}
.insurance-detail-table td { font-weight: 500; }
.insurance-detail-table tbody tr:last-child td { border-bottom: none; }
.insurance-detail-table tbody tr:hover { background: rgba(255,255,255,0.05); }
.text-accent { color: #5EEAD4; }
.insurance-table-note { font-size: 13px; opacity: 0.6; margin-top: 12px; font-style: italic; }

.insurance-items {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 36px;
}
.insurance-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm); font-size: 15px; font-weight: 500;
}
.insurance-item svg { flex-shrink: 0; }
.insurance-content .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.insurance-content .btn-primary:hover { background: var(--primary-light); border-color: var(--primary-light); box-shadow: 0 6px 20px rgba(0,0,0,0.2); }

/* ===== Comparison Table ===== */
.comparison-table-wrap {
    max-width: 860px; margin: 0 auto;
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-md); border: 1px solid var(--border);
}
.comparison-table {
    width: 100%; border-collapse: collapse; background: var(--bg);
}
.comparison-table th,
.comparison-table td {
    padding: 18px 24px; text-align: left; font-size: 15px;
    border-bottom: 1px solid var(--border);
}
.comparison-table thead th {
    background: var(--bg-alt); font-weight: 700; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px;
}
.comparison-table th.comp-smart,
.comparison-table td.comp-smart {
    background: rgba(27,94,158,0.04);
}
.comparison-table thead th.comp-smart {
    background: var(--primary); color: #fff;
}
.comparison-table td.comp-others {
    color: var(--text-light); font-size: 14px;
}
.comparison-table td.comp-smart {
    color: var(--primary);
}
.comparison-table td.comp-smart strong {
    font-weight: 700;
}
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover { background: rgba(27,94,158,0.02); }

/* ===== Process ===== */
.process-grid { display: flex; align-items: center; justify-content: center; gap: 16px; }
.process-step {
    text-align: center; padding: 36px 28px; background: var(--bg); border-radius: var(--radius-lg);
    border: 1px solid var(--border); flex: 1; max-width: 240px; transition: var(--transition);
}
.process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; background: var(--primary-light); color: var(--primary);
    font-size: 22px; font-weight: 800; border-radius: 50%; margin-bottom: 16px;
}
.process-step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.process-connector { color: var(--border); flex-shrink: 0; }

/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    padding: 24px 0; background: none; border: none; cursor: pointer; font-family: inherit; text-align: left;
}
.faq-question span { font-size: 17px; font-weight: 600; color: var(--text); }
.faq-icon { flex-shrink: 0; color: var(--text-light); transition: var(--transition); }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--primary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p { padding-bottom: 24px; font-size: 15px; color: var(--text-secondary); line-height: 1.8; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.contact-form {
    padding: 40px; background: var(--bg); border-radius: var(--radius-lg);
    border: 1px solid var(--border); box-shadow: var(--shadow-sm);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.required { color: #E53E3E; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 15px; font-family: inherit; color: var(--text); background: var(--bg); transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(27,94,158,0.1); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; accent-color: var(--primary); }
.form-check label { font-size: 13px; color: var(--text-secondary); margin-bottom: 0; }

/* Form header/footer messages */
.form-header-msg {
    display: flex; align-items: center; gap: 10px; padding: 14px 18px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #F0F7FF 100%);
    border-radius: var(--radius-sm); margin-bottom: 24px;
    color: var(--primary); font-size: 14px; line-height: 1.5;
}
.form-header-msg svg { flex-shrink: 0; }
.form-header-msg strong { font-weight: 700; }
.form-footer-msg {
    text-align: center; font-size: 13px; color: var(--text-light); margin-top: 12px;
}

/* Callback Card */
.callback-card {
    padding: 32px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-lg); color: #fff; margin-bottom: 20px; text-align: center;
}
.callback-icon { color: rgba(255,255,255,0.7); margin-bottom: 16px; }
.callback-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.callback-steps { text-align: left; }
.callback-step {
    display: flex; align-items: center; gap: 14px; padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.callback-step:last-child { border-bottom: none; }
.cb-num {
    width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.15); border-radius: 50%; font-size: 13px; font-weight: 700;
    flex-shrink: 0;
}
.callback-step p { font-size: 14px; line-height: 1.5; opacity: 0.9; }
.callback-step p strong { opacity: 1; font-weight: 700; }

/* Contact info card */
.contact-info-card { padding: 24px; background: var(--bg-alt); border-radius: var(--radius-lg); margin-bottom: 20px; }
.info-item { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--border); }
.info-item:first-child { padding-top: 0; }
.info-item:last-child { border-bottom: none; padding-bottom: 0; }
.info-icon {
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    background: var(--primary-light); color: var(--primary); border-radius: var(--radius-sm); flex-shrink: 0;
}
.info-item strong { display: block; font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.info-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.info-item small { font-size: 12px; color: var(--text-light); }

/* SNS Channels */
.sns-channels { padding: 24px; background: var(--bg-alt); border-radius: var(--radius-lg); }
.sns-label { font-size: 13px; color: var(--text-light); font-weight: 500; margin-bottom: 12px; text-align: center; }
.sns-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sns-btn {
    display: flex; flex-direction: column; align-items: center; gap: 6px;
    padding: 14px 8px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 600;
    transition: var(--transition); text-align: center;
}
.sns-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.sns-btn span { font-size: 12px; }
.sns-kakao { background: #FEE500; color: #3C1E1E; }
.sns-insta { background: linear-gradient(135deg, #833AB4, #FD1D1D, #FCAF45); color: #fff; }
.sns-youtube { background: #FF0000; color: #fff; }

/* ===== Footer ===== */
.footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-icon { color: rgba(255,255,255,0.9); }
.footer-brand .logo-text strong { color: rgba(255,255,255,0.95); }
.footer-brand .logo-text small { color: rgba(255,255,255,0.5); }
.footer-brand > p { font-size: 14px; line-height: 1.7; }
.footer-links h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 20px; }
.footer-links a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-links a:hover { color: #fff; }
.footer-bottom { padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); margin-bottom: 4px; }

/* ===== Animations ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.6s ease forwards; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .monitoring-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .process-grid { flex-wrap: wrap; gap: 12px; }
    .process-connector { display: none; }
    .process-step { flex: none; width: calc(50% - 8px); }
    .insurance-items { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .comparison-table th, .comparison-table td { padding: 14px 16px; font-size: 14px; }
}

@media (max-width: 768px) {
    .nav {
        display: none; position: fixed; top: 72px; left: 0; right: 0;
        background: var(--bg); flex-direction: column; padding: 20px;
        border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); gap: 4px;
    }
    .nav.active { display: flex; }
    .nav-link { width: 100%; padding: 14px 16px; }
    .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }
    .menu-toggle { display: flex; }
    .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .menu-toggle.active span:nth-child(2) { opacity: 0; }
    .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 32px; }
    .hero h1 em { font-size: 40px; }
    .hero-sub { font-size: 16px; padding: 8px 18px; }
    .hero p { font-size: 16px; }
    .hero-actions { flex-direction: column; }
    .hero-stats { flex-direction: column; gap: 16px; width: 100%; text-align: center; }
    .stat-divider { width: 40px; height: 1px; }
    .section { padding: 64px 0; }
    .section-header h2 { font-size: 28px; }
    .doctor-profile { grid-template-columns: 1fr; padding: 24px; gap: 32px; }
    .doctor-photo-wrap { max-width: 280px; margin: 0 auto; }
    .doctor-highlight { flex-direction: column; gap: 12px; }
    .advantage-hero { flex-direction: column; padding: 32px 24px; gap: 24px; text-align: center; }
    .advantage-hero-content h3 { font-size: 22px; }
    .advantages-grid { grid-template-columns: 1fr; }
    .monitoring-grid { grid-template-columns: 1fr; }
    .process-step { width: 100%; }
    .insurance-banner { padding: 40px 24px; }
    .insurance-content h2 { font-size: 26px; }
    .insurance-price-amount { font-size: 32px; }
    .comparison-table-wrap { border-radius: var(--radius-md); }
    .comparison-table th, .comparison-table td { padding: 12px 12px; font-size: 13px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}