/* ============================================================
   JuvGuard - Main Stylesheet
   Stem Cell Exosome Nebulization Premium Site
   ============================================================ */

/* CSS Variables */
:root {
    --primary: #0A1628;
    --primary-rgb: 10, 22, 40;
    --primary-light: #1a3a6e;
    --secondary: #d4a843;
    --teal: #0891b2;
    --teal-light: #e0f7fa;
    --gold: #d4a843;
    --gold-light: #fef9e7;
    --green: #10b981;
    --green-light: #d1fae5;
    --red: #ef4444;
    --red-light: #fee2e2;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f5f7fa;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0,0,0,.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.12);
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    color: var(--gray-700);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }

.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 { font-weight: 600; line-height: 1.3; color: var(--gray-900); }
.section-title { font-size: clamp(28px, 4vw, 36px); margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--gray-500); max-width: 600px; margin: 0 auto; }
.section-header { margin-bottom: 48px; }
.section-header.text-center { text-align: center; }
.section-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 20px;
    background: var(--teal-light); color: var(--teal);
    font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-xs { font-size: 12px; }
.text-sm { font-size: 13px; }
.text-gold { color: var(--gold); }
.mt-4 { margin-top: 24px; }
.py-4 { padding-top: 24px; padding-bottom: 24px; }
.py-5 { padding-top: 32px; padding-bottom: 32px; }

.section { padding: 80px 0; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-sm);
    font-size: 15px; font-weight: 500; font-family: var(--font-sans);
    border: 2px solid transparent; cursor: pointer;
    transition: var(--transition); white-space: nowrap;
    text-decoration: none;
}
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); color: #fff; }
.btn-outline-primary { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-primary:hover { background: var(--primary); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.5); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.15); }

/* ============================================================
   Top Bar
   ============================================================ */
.top-bar {
    background: var(--primary); color: rgba(255,255,255,.8);
    font-size: 12px; padding: 6px 0;
}
.top-bar-inner { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; align-items: center; gap: 8px; }
.top-bar-divider { color: rgba(255,255,255,.3); }
.top-bar-left i { color: var(--gold); font-size: 11px; }

.lang-switcher { display: flex; align-items: center; gap: 4px; }
.lang-link { color: rgba(255,255,255,.6); padding: 2px 6px; font-size: 12px; }
.lang-link.active, .lang-link:hover { color: var(--gold); }
.lang-divider { color: rgba(255,255,255,.3); }

/* ============================================================
   Navbar
   ============================================================ */
.navbar {
    background: #fff; position: sticky; top: 0; z-index: 1000;
    box-shadow: 0 1px 3px rgba(0,0,0,.05);
    border-bottom: 1px solid var(--gray-200);
}
.navbar-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.navbar-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon {
    width: 42px; height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700; font-family: var(--font-serif);
}
.brand-text { display: flex; flex-direction: column; }
.brand-name { font-size: 16px; font-weight: 700; color: var(--primary); font-family: var(--font-serif); }
.brand-sub { font-size: 12px; color: var(--gray-500); }

.navbar-nav { display: flex; align-items: center; list-style: none; gap: 4px; }
.nav-link {
    padding: 10px 14px; font-size: 14px; color: var(--gray-700);
    border-radius: var(--radius-sm); font-weight: 500;
    text-decoration: none; transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: var(--gray-100); }

.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: 100%; left: 0; min-width: 180px;
    background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
    padding: 8px 0; opacity: 0; visibility: hidden;
    transform: translateY(8px); transition: var(--transition);
    list-style: none; z-index: 100;
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
    display: block; padding: 8px 16px; font-size: 13px; color: var(--gray-700);
    transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--gray-100); color: var(--primary); }
.dropdown-toggle i { font-size: 10px; margin-left: 4px; }

.navbar-actions { display: flex; align-items: center; gap: 12px; }
.btn-consult { font-size: 13px; padding: 8px 16px; }
.navbar-toggler {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 6px;
}
.navbar-toggler span {
    display: block; width: 24px; height: 2px;
    background: var(--primary); border-radius: 2px; transition: var(--transition);
}

/* ============================================================
   Mobile Menu
   ============================================================ */
.mobile-menu-overlay {
    position: fixed; inset: 0; background: #fff; z-index: 2000;
    transform: translateX(100%); transition: transform .3s ease;
    overflow-y: auto;
}
.mobile-menu-overlay.open { transform: translateX(0); }
.mobile-menu-header {
    display: flex; align-items: center; gap: 12px;
    padding: 20px; border-bottom: 1px solid var(--gray-200);
}
.mobile-menu-close {
    margin-left: auto; background: none; border: none;
    font-size: 28px; cursor: pointer; color: var(--gray-700); padding: 4px;
}
.mobile-nav { list-style: none; padding: 12px; }
.mobile-nav a {
    display: block; padding: 14px 16px; font-size: 16px;
    color: var(--gray-900); text-decoration: none; border-radius: var(--radius-sm);
    transition: var(--transition);
}
.mobile-nav a:hover { background: var(--gray-100); }
.mobile-nav-toggle { display: flex; justify-content: space-between; align-items: center; }
.mobile-subnav {
    list-style: none; padding-left: 20px; display: none;
}
.mobile-subnav.open { display: block; }
.mobile-subnav a { font-size: 14px; padding: 10px 16px; color: var(--gray-700); }
.mobile-menu-footer { padding: 20px; border-top: 1px solid var(--gray-200); }
.mobile-menu-footer .lang-switcher { margin-top: 12px; justify-content: center; }
.mobile-menu-footer .lang-link { color: var(--gray-700); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
    position: relative; min-height: 85vh;
    display: flex; align-items: center;
    background: linear-gradient(135deg, #0A1628 0%, #0f2440 30%, #142e5a 60%, #1a3266 100%);
    color: #fff; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-gradient { position: absolute; inset: 0; background: radial-gradient(circle at 30% 50%, rgba(212,168,67,.15) 0%, transparent 60%); }
.hero .container { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 60px; position: relative; z-index: 2; padding-top: 60px; padding-bottom: 60px; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 30px;
    background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.2);
    font-size: 14px; color: var(--gold); margin-bottom: 24px;
}
.hero-title { margin-bottom: 20px; }
.hero-title-top {
    display: block; font-size: 18px; font-weight: 400; color: rgba(255,255,255,.7);
    letter-spacing: 4px; margin-bottom: 8px;
}
.hero-title-main {
    font-size: clamp(32px, 5vw, 48px); font-weight: 700;
    background: linear-gradient(to right, #fff, #e0e7ff);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-desc { font-size: 16px; color: rgba(255,255,255,.7); line-height: 1.8; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero-highlights { display: flex; gap: 24px; flex-wrap: wrap; }
.highlight-item { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255,255,255,.6); }
.highlight-icon { color: var(--gold); font-size: 16px; }

.hero-visual { display: flex; justify-content: center; }
.hero-visual-inner {
    position: relative; width: 280px; height: 280px;
    display: flex; align-items: center; justify-content: center;
}
.hero-product-pulse {
    width: 160px; height: 160px; border-radius: 50%;
    background: radial-gradient(circle, rgba(10,22,40,.6), rgba(30,60,114,.3));
    animation: pulse 3s ease-in-out infinite;
}
.hero-product-icon {
    position: absolute; font-size: 64px; color: var(--gold);
    animation: float 4s ease-in-out infinite;
}
.hero-orbits { position: absolute; inset: 0; }
.orbit {
    position: absolute; top: 50%; left: 50%; border-radius: 50%;
    border: 1px solid rgba(255,255,255,.1);
    transform: translate(-50%, -50%);
}
.orbit-1 { width: 240px; height: 240px; animation: spin 20s linear infinite; }
.orbit-2 { width: 200px; height: 200px; animation: spin 15s linear infinite reverse; }
.orbit-3 { width: 160px; height: 160px; animation: spin 12s linear infinite; }

@keyframes pulse { 0%, 100% { transform: scale(1); opacity: .6; } 50% { transform: scale(1.05); opacity: .8; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes spin { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }

/* ============================================================
   Stats Bar
   ============================================================ */
.stats-bar {
    background: #fff; padding: 0;
    box-shadow: var(--shadow); margin-top: -1px;
    position: relative; z-index: 3;
}
.stats-grid {
    display: grid; grid-template-columns: repeat(6, 1fr);
}
.stat-card {
    padding: 32px 16px; text-align: center;
    border-right: 1px solid var(--gray-100);
}
.stat-card:last-child { border-right: none; }
.stat-value {
    font-size: 28px; font-weight: 700; color: var(--primary);
    font-family: var(--font-serif);
}
.stat-value:hover { color: var(--gold); }
.stat-label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

/* ============================================================
   Nature Highlight
   ============================================================ */
.nature-highlight { background: var(--gray-50); }
.nature-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.nature-card {
    background: #fff; border-radius: var(--radius);
    padding: 32px 24px; text-align: center;
    box-shadow: var(--shadow); transition: var(--transition);
    border: 1px solid var(--gray-200);
}
.nature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.nature-card-icon { font-size: 32px; color: var(--teal); margin-bottom: 16px; }
.nature-card h3 { font-size: 18px; margin-bottom: 8px; }
.nature-card p { font-size: 14px; color: var(--gray-500); }

/* ============================================================
   Features
   ============================================================ */
.features-section { background: #fff; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
    background: var(--gray-50); border-radius: var(--radius);
    padding: 36px 28px; text-align: center;
    transition: var(--transition); border: 1px solid var(--gray-100);
}
.feature-card:hover { background: #fff; box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-icon {
    width: 64px; height: 64px; margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 16px; display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff;
}
.feature-card h3 { font-size: 18px; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--gray-500); }

/* ============================================================
   Mechanism Steps
   ============================================================ */
.mechanism-section { background: linear-gradient(to bottom, var(--gray-50), #fff); }
.mechanism-steps {
    display: flex; align-items: center; gap: 20px;
    max-width: 1000px; margin: 0 auto;
}
.mech-step {
    flex: 1; background: #fff; border-radius: var(--radius);
    padding: 28px 20px; text-align: center;
    box-shadow: var(--shadow); position: relative;
}
.mech-step-number {
    font-size: 48px; font-weight: 700; color: var(--gold);
    font-family: var(--font-serif); opacity: .2;
    position: absolute; top: 10px; right: 20px;
}
.mech-step-icon {
    width: 56px; height: 56px; margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--teal), #06b6d4);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}
.mech-step h3 { font-size: 16px; margin-bottom: 8px; }
.mech-step p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.mech-arrow { font-size: 24px; color: var(--gray-300); }

/* ============================================================
   Cases
   ============================================================ */
.cases-preview { background: #fff; }
.cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card {
    background: var(--gray-50); border-radius: var(--radius);
    padding: 24px; border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.case-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.case-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.case-badge {
    padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
    background: var(--primary); color: #fff;
}
.case-timeline { font-size: 12px; color: var(--teal); font-weight: 600; }
.case-card-body { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; }
.case-avatar { font-size: 40px; color: var(--gray-300); }
.case-patient { font-size: 14px; font-weight: 600; }
.case-result { font-size: 13px; color: var(--green); font-weight: 600; margin-top: 4px; }
.case-note { font-size: 13px; color: var(--gray-500); }

/* ============================================================
   Partners
   ============================================================ */
.partners-section { background: var(--gray-50); }
.partners-strip {
    display: flex; justify-content: center; align-items: center;
    gap: 60px; flex-wrap: wrap;
}
.partner-item { 
    padding: 16px;
    opacity: 0.7; transition: var(--transition);
}
.partner-item:hover { opacity: 1; }
.partner-name { font-size: 18px; font-weight: 700; color: var(--gray-500); }

/* ============================================================
   Articles
   ============================================================ */
.articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
    background: #fff; border-radius: var(--radius);
    overflow: hidden; border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card-img { aspect-ratio: 16/9; overflow: hidden; background: var(--gray-100); }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.article-card:hover .article-card-img img { transform: scale(1.05); }
.article-card-body { padding: 20px; }
.article-date { font-size: 12px; color: var(--gray-500); }
.article-title { font-size: 17px; margin: 8px 0; }
.article-title a { color: var(--gray-900); }
.article-title a:hover { color: var(--primary); }
.article-summary { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* Full News Grid */
.articles-grid-full {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.article-card-full {
    background: #fff; border-radius: var(--radius);
    overflow: hidden; border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.article-card-full:hover { box-shadow: var(--shadow); }
.article-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--gray-500); margin-bottom: 8px; }
.article-cat-badge { padding: 2px 10px; border-radius: 4px; background: var(--primary); color: #fff; font-size: 11px; }
.article-card-title { font-size: 16px; margin-bottom: 8px; }
.article-card-summary { font-size: 13px; color: var(--gray-500); }

/* ============================================================
   CTA Section
   ============================================================ */
.cta-section { background: linear-gradient(135deg, var(--primary), #1a2744); color: #fff; }
.cta-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-content h2 { font-size: 32px; color: #fff; margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,.7); margin-bottom: 24px; }
.cta-benefits { display: flex; flex-direction: column; gap: 12px; }
.cta-benefit { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.8); font-size: 14px; }
.cta-benefit i { color: var(--green); }
.cta-form-wrapper { background: #fff; border-radius: var(--radius); padding: 32px; }
.cta-form .form-group { margin-bottom: 14px; }
.cta-form .form-control {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
    font-size: 14px; font-family: inherit; transition: var(--transition);
    background: var(--gray-50); outline: none;
}
.cta-form .form-control:focus { border-color: var(--primary); background: #fff; }
.form-note { font-size: 12px; color: var(--gray-500); text-align: center; margin-top: 12px; }

/* ============================================================
   Page Hero
   ============================================================ */
.page-hero {
    background: linear-gradient(135deg, var(--primary), #1a2744);
    color: #fff; padding: 80px 0 60px; position: relative; overflow: hidden;
}
.page-hero-bg {
    position: absolute; inset: 0;
    background: radial-gradient(circle at 70% 50%, rgba(212,168,67,.1) 0%, transparent 60%);
}
.page-hero-content { position: relative; z-index: 2; }
.page-hero h1 { font-size: clamp(28px, 4vw, 42px); color: #fff; margin-bottom: 12px; }
.page-hero-sm { padding: 50px 0 30px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,.6); }
.breadcrumb a { color: rgba(255,255,255,.8); }
.breadcrumb a:hover { color: #fff; }

/* ============================================================
   Forms
   ============================================================ */
.form-control {
    width: 100%; padding: 12px 16px;
    border: 1.5px solid var(--gray-200); border-radius: var(--radius-sm);
    font-size: 14px; font-family: inherit; outline: none;
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb),.08); }
textarea.form-control { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-result { padding: 12px; border-radius: 8px; font-size: 14px; margin-top: 12px; }
.form-result-success { background: var(--green-light); color: #065f46; }
.form-result-error { background: var(--red-light); color: #991b1b; }

/* ============================================================
   About Page
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; align-items: start; }
.about-text h2 { font-size: 28px; margin-bottom: 12px; }
.about-lead { font-size: 16px; color: var(--teal); font-weight: 500; margin-bottom: 20px; }
.about-stats { display: flex; gap: 40px; margin-top: 32px; }
.about-stat { text-align: center; }
.about-stat strong { font-size: 24px; color: var(--primary); display: block; font-family: var(--font-serif); }
.about-visual { position: sticky; top: 100px; }
.about-card { background: var(--gray-50); border-radius: var(--radius); padding: 32px; border: 1px solid var(--gray-200); }
.about-card-icon { font-size: 36px; color: var(--teal); margin-bottom: 16px; }

.vision-section { background: var(--gray-50); }
.vision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.vision-card { background: #fff; border-radius: var(--radius); padding: 32px; text-align: center; box-shadow: var(--shadow); }
.vision-icon { font-size: 36px; color: var(--gold); margin-bottom: 16px; }

.certs-section { background: #fff; }
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card {
    background: var(--gray-50); border-radius: var(--radius);
    padding: 28px; text-align: center; border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.cert-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.cert-icon { font-size: 32px; color: var(--primary); margin-bottom: 12px; }
.cert-badge { display: inline-block; padding: 3px 10px; border-radius: 4px; background: var(--primary); color: #fff; font-size: 11px; margin-top: 8px; }

.team-section { background: var(--gray-50); }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: #fff; border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow); }
.team-avatar { font-size: 48px; color: var(--gray-300); margin-bottom: 12px; }
.team-role { font-size: 13px; color: var(--teal); font-weight: 600; margin-bottom: 8px; }

/* Contact Info Cards */
.contact-info-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-info-card {
    background: var(--gray-50); border-radius: var(--radius);
    padding: 32px 20px; text-align: center;
    border: 1px solid var(--gray-200); transition: var(--transition);
}
.contact-info-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.contact-info-card i { font-size: 28px; color: var(--teal); margin-bottom: 12px; }
.contact-info-card h4 { font-size: 16px; margin-bottom: 8px; }
.contact-info-card p { font-size: 14px; color: var(--gray-700); }
.contact-info-card small { font-size: 12px; color: var(--gray-500); }

.contact-grid { display: grid; grid-template-columns: 1fr .7fr; gap: 40px; }
.map-placeholder {
    background: var(--gray-50); border-radius: var(--radius);
    padding: 60px 30px; text-align: center; border: 1px solid var(--gray-200);
}
.map-icon { font-size: 48px; color: var(--teal); margin-bottom: 16px; }
.map-note { font-size: 12px; color: var(--gray-500); margin-top: 12px; }

/* ============================================================
   Product Page
   ============================================================ */
.product-hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.product-visual { text-align: center; }
.product-visual-placeholder {
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border-radius: 20px; padding: 80px 40px; border: 2px dashed var(--gray-300);
}
.product-icon-large { font-size: 64px; color: var(--teal); margin-bottom: 16px; }
.product-info .product-badges { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.badge-primary { background: var(--primary); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; }
.badge-success { background: var(--green); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; }
.badge-info { background: var(--teal); color: #fff; padding: 4px 12px; border-radius: 20px; font-size: 12px; }
.product-summary { font-size: 18px; color: var(--teal); font-weight: 500; margin: 16px 0; }
.product-desc { margin: 20px 0; font-size: 14px; line-height: 1.8; }
.product-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

.specs-table-wrapper { max-width: 700px; margin: 0 auto; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table tr:not(:last-child) { border-bottom: 1px solid var(--gray-100); }
.spec-label { padding: 14px 24px; font-weight: 600; background: var(--gray-50); width: 180px; font-size: 14px; }
.spec-value { padding: 14px 24px; font-size: 14px; color: var(--gray-700); }

.mech-detail-section { background: var(--gray-50); }
.mech-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.mech-detail-card {
    background: #fff; border-radius: var(--radius); padding: 32px;
    box-shadow: var(--shadow); transition: var(--transition);
}
.mech-detail-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.mech-detail-icon {
    width: 56px; height: 56px; margin-bottom: 16px;
    background: linear-gradient(135deg, var(--teal), #06b6d4);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    font-size: 22px; color: #fff;
}
.mech-detail-card h3 { font-size: 18px; margin-bottom: 12px; }
.mech-detail-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* Usage Steps */
.usage-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.usage-step {
    text-align: center; padding: 32px 16px;
    background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
    transition: var(--transition);
}
.usage-step:hover { transform: translateY(-4px); }
.step-num {
    width: 40px; height: 40px; margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 18px; font-weight: 700;
}
.usage-content { max-width: 800px; margin: 0 auto; background: #fff; padding: 40px; border-radius: var(--radius); box-shadow: var(--shadow); }
.usage-content ol { padding-left: 20px; }
.usage-content li { margin-bottom: 16px; font-size: 15px; line-height: 1.6; }

/* Indications */
.indications-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 800px; margin: 0 auto; }
.indication-item {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px; background: var(--gray-50);
    border-radius: var(--radius-sm); border: 1px solid var(--gray-200);
    font-size: 14px;
}
.indication-item i { color: var(--green); font-size: 16px; }
.compliance-disclaimer {
    max-width: 800px; margin: 40px auto 0; padding: 20px 24px;
    background: var(--gold-light); border-radius: var(--radius);
    border: 1px solid #f0d78c; display: flex; align-items: flex-start; gap: 12px;
    font-size: 13px; color: #92400e;
}
.compliance-disclaimer i { font-size: 20px; margin-top: 2px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
.faq-question {
    width: 100%; padding: 16px 20px; background: #fff; border: none;
    cursor: pointer; display: flex; align-items: center; justify-content: space-between;
    font-size: 15px; font-family: inherit; font-weight: 500; text-align: left;
    color: var(--gray-900); transition: var(--transition);
}
.faq-question:hover { background: var(--gray-50); }
.faq-question i { transition: transform .3s; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { padding: 0 20px; max-height: 0; overflow: hidden; transition: all .3s; }
.faq-item.active .faq-answer { padding: 0 20px 16px; max-height: 500px; }
.faq-answer p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* ============================================================
   Science Page
   ============================================================ */
.science-intro-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 60px; align-items: center; }
.science-intro-text p { margin-bottom: 16px; font-size: 15px; line-height: 1.8; }
.science-highlights { display: flex; gap: 40px; margin-top: 32px; }
.sh-item { text-align: center; }
.sh-item strong { font-size: 22px; color: var(--teal); display: block; font-family: var(--font-serif); }
.sh-item span { font-size: 13px; color: var(--gray-500); }

.exosome-diagram {
    position: relative; width: 280px; height: 280px; margin: 0 auto;
    display: flex; align-items: center; justify-content: center;
}
.exo-core {
    width: 120px; height: 120px; border-radius: 50%;
    background: linear-gradient(135deg, var(--teal), #06b6d4);
    opacity: .2;
}
.exo-ring { position: absolute; border-radius: 50%; border: 2px solid var(--teal); opacity: .3; }
.ring-1 { width: 200px; height: 200px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.ring-2 { width: 260px; height: 260px; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.exo-label { position: absolute; bottom: 10px; text-align: center; font-size: 14px; font-weight: 600; color: var(--teal); }

/* Comparison Table */
.comparison-table-wrapper { max-width: 900px; margin: 0 auto; overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: separate; border-spacing: 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.comparison-table th {
    background: var(--primary); color: #fff; padding: 14px 20px;
    font-size: 14px; font-weight: 600; text-align: center;
}
.comparison-table th.col-highlight { background: var(--teal); }
.comparison-table td {
    padding: 14px 20px; border-bottom: 1px solid var(--gray-100);
    font-size: 14px; text-align: center; background: #fff;
}
.comparison-table td.col-highlight { background: #f0fdfa; }
.comparison-table tr:last-child td { border-bottom: none; }

/* Nature Study Cards */
.nature-study-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.nature-study-card {
    background: #fff; border-radius: var(--radius);
    padding: 32px; box-shadow: var(--shadow); border: 1px solid var(--gray-200);
}
.ns-icon { font-size: 32px; color: var(--teal); margin-bottom: 16px; }
.nature-study-card h4 { font-size: 18px; margin-bottom: 16px; }
.nature-study-card ul { padding-left: 20px; font-size: 14px; color: var(--gray-500); line-height: 1.8; }

/* Literature List */
.literature-list { max-width: 900px; margin: 0 auto; }
.lit-card {
    background: #fff; border-radius: var(--radius); padding: 24px;
    border: 1px solid var(--gray-200); margin-bottom: 16px;
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 20px; transition: var(--transition);
}
.lit-card:hover { box-shadow: var(--shadow); border-color: var(--primary); }
.lit-content { flex: 1; }
.lit-content h4 { font-size: 16px; margin-bottom: 8px; }
.lit-authors { font-size: 13px; color: var(--gray-500); margin-bottom: 4px; }
.lit-journal { font-size: 13px; color: var(--teal); margin-bottom: 8px; }
.lit-abstract { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
.lit-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; white-space: nowrap; }
.lit-cat-badge { padding: 3px 10px; border-radius: 4px; background: var(--teal-light); color: var(--teal); font-size: 11px; font-weight: 600; }

/* Research Teams */
.research-teams { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.rt-card {
    background: #fff; border-radius: var(--radius); padding: 32px;
    box-shadow: var(--shadow); transition: var(--transition);
}
.rt-card:hover { transform: translateY(-4px); }
.rt-card h4 { font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.rt-card h4 i { color: var(--teal); }
.rt-card p { font-size: 14px; color: var(--gray-500); }

/* ============================================================
   Cases Page
   ============================================================ */
.cases-grid-full { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.case-card-full {
    background: #fff; border-radius: var(--radius);
    padding: 28px; border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.case-card-full:hover { box-shadow: var(--shadow); border-color: var(--primary); }
.case-card-full h3 { font-size: 17px; margin-bottom: 12px; }
.case-summary { font-size: 14px; color: var(--gray-500); line-height: 1.6; margin-bottom: 16px; }
.case-card-footer { display: flex; justify-content: space-between; align-items: center; }
.case-views { font-size: 13px; color: var(--gray-500); }

.disclaimer-box {
    background: var(--gold-light); border-radius: var(--radius);
    padding: 20px 24px; display: flex; align-items: flex-start; gap: 12px;
    font-size: 13px; color: #92400e; border: 1px solid #f0d78c;
    max-width: 900px; margin: 0 auto;
}
.disclaimer-box i { font-size: 20px; margin-top: 2px; }

/* ============================================================
   Article Detail
   ============================================================ */
.article-detail-section { background: var(--gray-50); padding: 40px 0; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.article-main { background: #fff; border-radius: var(--radius); padding: 40px; }
.article-meta-bar {
    display: flex; align-items: center; gap: 16px;
    padding-bottom: 20px; margin-bottom: 24px;
    border-bottom: 1px solid var(--gray-100); font-size: 13px; color: var(--gray-500);
}
.article-cover { margin-bottom: 32px; border-radius: var(--radius); overflow: hidden; }
.article-cover img { width: 100%; }
.article-body { font-size: 15px; line-height: 1.9; color: var(--gray-700); }
.article-body h2 { font-size: 22px; margin: 32px 0 16px; }
.article-body h3 { font-size: 18px; margin: 24px 0 12px; }
.article-body p { margin-bottom: 16px; }
.article-body ol, .article-body ul { padding-left: 24px; margin-bottom: 16px; }
.article-body li { margin-bottom: 8px; }

.article-sidebar { position: sticky; top: 100px; }
.sidebar-card {
    background: #fff; border-radius: var(--radius); padding: 24px;
    box-shadow: var(--shadow); margin-bottom: 20px;
}
.sidebar-card h4 { font-size: 16px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--primary); }
.related-list { list-style: none; }
.related-list li { padding: 10px 0; border-bottom: 1px solid var(--gray-100); }
.related-list li:last-child { border-bottom: none; }
.related-list a { font-size: 14px; display: block; margin-bottom: 4px; }
.related-list time { font-size: 12px; color: var(--gray-500); }
.sidebar-cta { background: var(--primary); color: #fff; text-align: center; }
.sidebar-cta h4 { color: #fff; border-color: rgba(255,255,255,.3); }
.sidebar-cta p { font-size: 13px; margin-bottom: 16px; opacity: .8; }

/* ============================================================
   Legal Pages
   ============================================================ */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-date { font-size: 14px; color: var(--gray-500); margin-bottom: 32px; }
.legal-content h2 { font-size: 22px; margin: 32px 0 16px; color: var(--primary); }
.legal-content p { margin-bottom: 16px; line-height: 1.8; }
.legal-content ul { padding-left: 24px; margin-bottom: 16px; }
.legal-content li { margin-bottom: 8px; }

/* ============================================================
   Dealer Page
   ============================================================ */
.benefits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.benefit-card {
    background: #fff; border-radius: var(--radius); padding: 32px;
    text-align: center; box-shadow: var(--shadow); transition: var(--transition);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.benefit-icon {
    width: 64px; height: 64px; margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--teal), #06b6d4);
    border-radius: 16px; display: flex; align-items: center; justify-content: center;
    font-size: 24px; color: #fff;
}
.benefit-card h3 { font-size: 18px; margin-bottom: 10px; }

.policy-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 800px; margin: 0 auto; }
.policy-item {
    background: #fff; border-radius: var(--radius); padding: 24px;
    border: 1px solid var(--gray-200);
}
.policy-item h4 { font-size: 16px; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.policy-item h4 i { color: var(--green); }

.dealer-form-wrapper { max-width: 700px; margin: 40px auto 0; }
.dealer-form-wrapper-full { max-width: 800px; margin: 40px auto 0; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: var(--primary); color: rgba(255,255,255,.7);
    padding: 60px 0 30px; position: relative;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand-name { font-size: 18px; font-weight: 700; color: #fff; font-family: var(--font-serif); }
.footer-brand-sub { font-size: 11px; color: rgba(255,255,255,.4); }
.footer-brand-desc { font-size: 13px; line-height: 1.7; margin-bottom: 16px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.badge-item {
    padding: 4px 12px; border-radius: 4px; font-size: 11px;
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
}
.footer-title {
    font-size: 16px; color: #fff; margin-bottom: 20px; padding-bottom: 12px;
    border-bottom: 2px solid var(--gold); display: inline-block;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: rgba(255,255,255,.5); font-size: 13px; transition: var(--transition); }
.footer-links a:hover { color: var(--gold); padding-left: 4px; }

.footer-contact { list-style: none; }
.footer-contact li {
    display: flex; align-items: flex-start; gap: 12px; margin-bottom: 16px;
    font-size: 13px;
}
.footer-contact i { color: var(--gold); margin-top: 3px; font-size: 14px; }
.contact-label { font-size: 11px; color: rgba(255,255,255,.4); display: block; margin-bottom: 2px; }
.footer-contact a { color: rgba(255,255,255,.7); }

.footer-bottom {
    margin-top: 40px; padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 16px; font-size: 12px;
}
.footer-disclaimer {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px; border-radius: 4px;
    background: rgba(255,255,255,.05);
}
.footer-disclaimer i { color: var(--gold); }
.footer-legal a { color: rgba(255,255,255,.4); }
.footer-legal a:hover { color: var(--gold); }
.footer-legal .sep { color: rgba(255,255,255,.2); margin: 0 8px; }

/* Back to Top */
.back-to-top {
    position: fixed; bottom: 80px; right: 24px;
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--primary); color: #fff; border: none;
    cursor: pointer; font-size: 16px; box-shadow: var(--shadow-lg);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--transition); z-index: 50;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--primary-light); }

.floating-consult {
    position: fixed; bottom: 20px; right: 20px;
    background: var(--teal); color: #fff;
    padding: 12px 20px; border-radius: 30px;
    font-size: 14px; box-shadow: var(--shadow-lg);
    text-decoration: none; display: flex; align-items: center; gap: 8px;
    transition: var(--transition); z-index: 50;
}
.floating-consult:hover { background: #0e7490; color: #fff; transform: translateY(-2px); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-highlights { justify-content: center; }
    .hero-visual { margin-top: 40px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .nature-cards { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .articles-grid-full { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-wrapper { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .product-hero-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-info-cards { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .nature-study-grid { grid-template-columns: 1fr; }
    .mech-detail-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .research-teams { grid-template-columns: 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .certs-grid { grid-template-columns: repeat(2, 1fr); }
    .vision-grid { grid-template-columns: 1fr; }
    .policy-list { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .top-bar-left { display: none; }
    .navbar-nav { display: none; }
    .navbar-toggler { display: flex; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: 1fr; }
    .articles-grid-full { grid-template-columns: 1fr; }
    .cases-grid-full { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .mechanism-steps { flex-direction: column; }
    .mech-arrow { transform: rotate(90deg); }
    .usage-steps { grid-template-columns: repeat(2, 1fr); }
    .indications-list { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr; }
    .contact-info-cards { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .certs-grid { grid-template-columns: 1fr; }
    .hero { min-height: auto; padding: 40px 0; }
    .hero .container { padding-top: 0; padding-bottom: 0; }
    .section { padding: 48px 0; }
}

/* ============================================================
   Animations
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ============================================================
   JuvGuard - Addon Styles (static / trilingual edition)
   Appended to the original stylesheet. Only NEW components here;
   existing UI classes are intentionally left untouched.
   ============================================================ */

/* --- Top bar: contact links (original used <span>, we use <a>) --- */
.top-bar-item { display: inline-flex; align-items: center; gap: 6px; }
.top-bar-left a,
.top-bar-item a { color: rgba(255, 255, 255, .8); transition: var(--transition); }
.top-bar-left a:hover,
.top-bar-item a:hover { color: var(--gold); }

/* --- WhatsApp button --- */
.btn-whatsapp { background: #25D366; color: #fff; }
.btn-whatsapp:hover { background: #1DA851; color: #fff; }

/* --- Recruiting block in footer --- */
.footer-recruit {
    margin-top: 18px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius-sm);
}
.footer-recruit-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; color: var(--gold); margin-bottom: 8px;
}
.footer-recruit-btn {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 600; color: #25D366 !important;
}
.footer-recruit-btn:hover { color: #4ade80 !important; }

/* --- Floating WhatsApp button (replaces .floating-consult) --- */
.floating-whatsapp {
    position: fixed; bottom: 20px; right: 20px; z-index: 1500;
    display: inline-flex; align-items: center; gap: 8px;
    background: #25D366; color: #fff !important;
    padding: 12px 20px; border-radius: 30px;
    box-shadow: 0 6px 20px rgba(37, 211, 102, .35);
    font-size: 14px; font-weight: 600;
    transition: var(--transition);
}
.floating-whatsapp:hover { background: #1DA851; transform: translateY(-2px); }

/* --- Language switcher inside the WHITE mobile menu ---
   The original .lang-link is white-ish for the dark top bar, which would be
   invisible on the white overlay. This fixes it. */
.lang-switcher-mobile { gap: 10px; margin-top: 12px; }
.lang-switcher-mobile .lang-link {
    color: var(--gray-500); font-size: 13px; font-weight: 500;
}
.lang-switcher-mobile .lang-link.active { color: var(--gold); font-weight: 700; }

/* --- Page tweaks for static edition ---
   NOTE: .page-hero / .breadcrumb / .case-card / .article-card / .lit-card /
   .cert-card / .faq-item etc. are already defined by the original stylesheet.
   We deliberately do NOT redefine them, so the existing UI stays intact. */
.lang-link { cursor: pointer; user-select: none; }

/* Contact/WhatsApp call-out panel */
.wa-panel {
    display: flex; flex-wrap: wrap; align-items: center; gap: 20px;
    padding: 24px; border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(37,211,102,.08) 0%, rgba(8,145,178,.08) 100%);
    border: 1px solid rgba(37, 211, 102, .2);
}
.wa-panel-icon {
    width: 56px; height: 56px; flex: 0 0 56px;
    border-radius: 50%; background: #25D366; color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.wa-panel-text { flex: 1; min-width: 220px; }
.wa-panel-text h3 { font-size: 18px; margin-bottom: 4px; color: var(--gray-900); }
.wa-panel-text p { font-size: 14px; color: var(--gray-500); margin: 0; }

@media (max-width: 768px) {
    .floating-whatsapp { padding: 10px 16px; font-size: 13px; bottom: 16px; right: 16px; }
}

/* --- Third-party names disclaimer: keeps its own full-width line --- */
.footer-disclaimer-thirdparty {
    flex: 1 0 100%; order: 3;
    align-items: flex-start;
    padding: 0; background: transparent;
    font-size: 11px; line-height: 1.65;
}
.footer-disclaimer-thirdparty i {
    color: rgba(255, 255, 255, .3) !important;
    margin-top: 3px;
}
.footer-disclaimer-thirdparty span { color: rgba(255, 255, 255, .42); }

/* --- Mobile footer: two-column link grid, tighter vertical rhythm --- */
@media (max-width: 768px) {
    .site-footer { padding: 40px 0 24px; }
    .site-footer .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 26px 18px;
    }
    /* brand and contact stay full width; Explore + Product Info sit side by side */
    .site-footer .footer-col-brand,
    .site-footer .footer-col:last-child { grid-column: 1 / -1; }

    .site-footer .footer-title { margin-bottom: 12px; }
    .site-footer .footer-links li { margin-bottom: 0; }
    .site-footer .footer-links a {
        display: inline-block;
        padding: 6px 0;
        font-size: 13px;
    }
    .site-footer .footer-contact li { margin-bottom: 10px; }
    .site-footer .footer-brand-desc { margin-bottom: 12px; }
    .site-footer .footer-recruit { margin-top: 4px; }

    .site-footer .footer-bottom {
        margin-top: 28px; padding-top: 18px;
        flex-direction: column; align-items: flex-start; gap: 10px;
    }
    .site-footer .footer-disclaimer { padding: 8px 10px; font-size: 11px; }
    .site-footer .footer-disclaimer-thirdparty { font-size: 10.5px; line-height: 1.6; }
    .site-footer .footer-legal { font-size: 11px; }

    /* Science page: single-column intro (fixed-width diagram forced 622px overflow) */
    .science-intro-grid { grid-template-columns: 1fr; gap: 32px; }
    .science-highlights { flex-wrap: wrap; gap: 18px 28px; justify-content: center; }
    .comparison-table th,
    .comparison-table td { padding: 10px 12px; font-size: 13px; }
}

/* ============================================================
   JuvGuard - Research Library (addon stylesheet)
   Appended to style.css after addons.css by build.py.
   Only NEW components live here; nothing from the original
   stylesheet is redefined.
   ============================================================ */

/* --- Generic helpers used by the research pages ------------------- */
.section-alt { background: var(--gray-100); }

.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 11px; font-weight: 600; line-height: 1.6;
}
.badge-ok { background: var(--green-light); color: #047857; }
.badge-warn { background: #fef3c7; color: #92400e; }

.card {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 22px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .04);
}
.card .card-title,
.card-title { font-size: 16px; margin-bottom: 14px; color: var(--gray-900); }
.card .card-title::after,
.card-title::after {
    content: ''; display: block; width: 38px; height: 3px;
    margin-top: 8px; border-radius: 2px; background: var(--gold);
}

/* --- Research hero ------------------------------------------------ */
.research-hero .page-hero-content h1 { font-size: 40px; }
.research-hero .page-hero-content p {
    max-width: 760px; margin: 16px auto 0;
    font-size: 16px; color: rgba(255, 255, 255, .82); line-height: 1.8;
}
.research-detail-hero .page-hero-content { text-align: left; }
.research-detail-hero .breadcrumb { justify-content: flex-start; }

.research-title {
    font-family: var(--font-serif);
    font-size: 30px; line-height: 1.35; color: #fff;
    max-width: 900px; margin: 14px 0 12px;
}
.research-byline { font-size: 14px; color: rgba(255, 255, 255, .78); margin-bottom: 6px; }
.research-journal-line { font-size: 14px; color: var(--gold); }
.research-journal-line i { margin-right: 6px; }

/* --- Meta / badge bar -------------------------------------------- */
.research-meta-bar {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    margin-bottom: 10px;
}
.research-detail-hero .research-meta-bar { margin-bottom: 4px; }

.research-tier {
    padding: 3px 10px; border-radius: 4px;
    font-size: 11px; font-weight: 700; letter-spacing: .02em;
    background: rgba(255, 255, 255, .14); color: #fff;
    border: 1px solid rgba(255, 255, 255, .25);
}
.research-tier.tier-s { background: var(--gold); color: #3d2c00; border-color: var(--gold); }
.research-tier.tier-a { background: var(--teal); color: #fff; border-color: var(--teal); }
.research-tier.tier-b { background: rgba(255, 255, 255, .16); color: #fff; }

.research-region {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 4px; font-size: 11px; font-weight: 600;
    background: rgba(255, 255, 255, .14); color: #fff;
    border: 1px solid rgba(255, 255, 255, .25);
}
.research-date { font-size: 12px; color: rgba(255, 255, 255, .72); }

/* In-card variants sit on white, so the colours flip. */
.research-card .research-tier,
.research-card .research-region {
    background: var(--gray-100); color: var(--gray-700); border-color: var(--gray-200);
}
.research-card .research-tier.tier-s { background: var(--gold-light); color: #8a6a12; border-color: #f0e0b0; }
.research-card .research-tier.tier-a { background: var(--teal-light); color: var(--teal); border-color: #bfeaf2; }
.research-card .research-date { color: var(--gray-500); }
.research-card .lit-cat-badge { background: var(--primary); color: #fff; }

/* --- Stats strip -------------------------------------------------- */
.research-stats { padding: 34px 0 0; }
.research-stat-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    padding: 24px; border-radius: var(--radius);
    background: linear-gradient(135deg, #f8fafc 0%, #eef4f8 100%);
    border: 1px solid var(--gray-200);
}
.research-stat { text-align: center; }
.research-stat strong {
    display: block; font-family: var(--font-serif);
    font-size: 28px; color: var(--primary); line-height: 1.2;
}
.research-stat span { font-size: 12px; color: var(--gray-500); letter-spacing: .02em; }

/* --- Toolbar (filters + search) ---------------------------------- */
.research-toolbar {
    display: flex; flex-wrap: wrap; gap: 14px;
    align-items: center; justify-content: space-between;
    margin-bottom: 22px;
}
.research-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.research-filter {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border-radius: 20px; cursor: pointer;
    background: #fff; border: 1px solid var(--gray-200);
    color: var(--gray-700); font-family: inherit; font-size: 13px; font-weight: 500;
    transition: var(--transition);
}
.research-filter:hover { border-color: var(--teal); color: var(--teal); }
.research-filter.active {
    background: var(--primary); border-color: var(--primary); color: #fff;
}
.rf-count {
    padding: 1px 7px; border-radius: 10px; font-size: 11px;
    background: var(--gray-100); color: var(--gray-500);
}
.research-filter.active .rf-count { background: rgba(255, 255, 255, .2); color: #fff; }

.research-toolbar-right { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.research-search {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 14px; border-radius: 20px;
    background: #fff; border: 1px solid var(--gray-200);
    color: var(--gray-500); min-width: 260px;
}
.research-search input {
    border: none; outline: none; background: transparent;
    font-family: inherit; font-size: 13px; color: var(--gray-900);
    width: 100%; min-width: 180px;
}
.research-region-filter { display: inline-flex; border-radius: 20px; overflow: hidden; border: 1px solid var(--gray-200); }
.research-region-btn {
    padding: 8px 14px; cursor: pointer; border: none;
    background: #fff; color: var(--gray-700);
    font-family: inherit; font-size: 13px; font-weight: 500;
    transition: var(--transition);
}
.research-region-btn + .research-region-btn { border-left: 1px solid var(--gray-200); }
.research-region-btn.active { background: var(--teal); color: #fff; }

/* --- Cards -------------------------------------------------------- */
.research-list { max-width: 980px; }
.research-card { align-items: flex-start; }
.research-card .lit-title { font-size: 17px; line-height: 1.45; margin-bottom: 8px; }
.research-card .lit-title a { color: var(--gray-900); }
.research-card .lit-title a:hover { color: var(--teal); }
.research-card .lit-actions { padding-top: 6px; }
.research-empty { margin-top: 28px; }
.research-card[hidden] { display: none; }

/* --- Method grid -------------------------------------------------- */
.research-method-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.research-method {
    background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 24px; text-align: center;
    transition: var(--transition);
}
.research-method:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.research-method-icon {
    width: 52px; height: 52px; margin: 0 auto 14px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    background: var(--teal-light); color: var(--teal); font-size: 21px;
}
.research-method h3 { font-size: 15px; margin-bottom: 8px; }
.research-method p { font-size: 13px; color: var(--gray-500); line-height: 1.7; }

/* --- FAQ (details/summary variant, distinct from .faq-question) --- */
.research-faq { max-width: 880px; margin: 0 auto; }
.research-faq details.faq-item { background: #fff; }
.research-faq details.faq-item > summary {
    padding: 16px 46px 16px 20px; cursor: pointer; position: relative;
    list-style: none; font-size: 15px; font-weight: 600; color: var(--gray-900);
}
.research-faq details.faq-item > summary::-webkit-details-marker { display: none; }
.research-faq details.faq-item > summary::after {
    content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
    font-size: 12px; color: var(--teal); transition: var(--transition);
}
.research-faq details.faq-item[open] > summary::after { transform: translateY(-50%) rotate(180deg); }
.research-faq details.faq-item > p {
    padding: 0 20px 16px; font-size: 14px; color: var(--gray-500);
    line-height: 1.8; margin: 0;
}

/* --- Article layout ---------------------------------------------- */
.research-detail { padding-top: 46px; }
.research-layout {
    display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px;
    align-items: start;
}
.research-body h2 {
    font-size: 20px; margin: 36px 0 14px; padding-left: 14px;
    border-left: 4px solid var(--gold);
}
.research-body h2:first-of-type { margin-top: 0; }
.research-lead { font-size: 17px; color: var(--gray-700); line-height: 1.85; }
.research-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 8px; }
.research-points { list-style: none; padding: 0; }
.research-points li {
    position: relative; padding-left: 26px; margin-bottom: 10px;
    font-size: 14.5px; color: var(--gray-700); line-height: 1.8;
}
.research-points li::before {
    content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
    position: absolute; left: 0; top: 3px; font-size: 12px; color: var(--teal);
}
.research-abstract {
    font-size: 14.5px; color: var(--gray-500); line-height: 1.85;
    padding: 20px 22px; background: var(--gray-100);
    border-radius: var(--radius-sm); border-left: 3px solid var(--gray-300);
}
.research-citation {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px; line-height: 1.8; color: var(--gray-700);
    background: var(--gray-100); border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm); padding: 16px 18px;
    white-space: pre-wrap; word-break: break-word;
}
.research-source-list { list-style: none; padding: 0; }
.research-source-list li {
    font-size: 13.5px; color: var(--gray-500);
    padding: 8px 0; border-bottom: 1px dashed var(--gray-200);
}
.research-source-list li:last-child { border-bottom: none; }
.research-source-list strong { color: var(--gray-700); font-weight: 600; }
.research-disclaimer {
    display: flex; gap: 12px; align-items: flex-start;
    margin-top: 30px; padding: 16px 18px; border-radius: var(--radius-sm);
    background: #fffbeb; border: 1px solid #fde68a;
    font-size: 13px; color: #92400e; line-height: 1.7;
}
.research-disclaimer i { margin-top: 3px; }
.research-back { margin-top: 28px; }

/* --- Sidebar ----------------------------------------------------- */
.research-side { display: grid; gap: 20px; position: sticky; top: 90px; }
.research-factbox dl { margin: 0; }
.research-factbox dt {
    font-size: 11px; text-transform: uppercase; letter-spacing: .06em;
    color: var(--gray-500); margin-top: 14px;
}
.research-factbox dt:first-child { margin-top: 0; }
.research-factbox dd { font-size: 14px; color: var(--gray-900); margin: 4px 0 0; }
.research-factbox dd .research-tier,
.research-factbox dd .research-region,
.research-factbox dd .lit-cat-badge {
    background: var(--gray-100); color: var(--gray-700); border-color: var(--gray-200);
}
.research-side .btn-block { justify-content: center; }

/* --- Responsive -------------------------------------------------- */
@media (max-width: 1024px) {
    .research-layout { grid-template-columns: 1fr; }
    .research-side { position: static; grid-template-columns: 1fr 1fr; }
    .research-method-grid { grid-template-columns: repeat(2, 1fr); }
    .research-stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .research-hero .page-hero-content h1 { font-size: 28px; }
    .research-title { font-size: 22px; }
    .research-toolbar { flex-direction: column; align-items: stretch; }
    .research-toolbar-right { flex-direction: column; align-items: stretch; }
    .research-search { min-width: 0; }
    .research-region-filter { justify-content: center; }
    .research-region-btn { flex: 1; text-align: center; }
    .research-card { flex-direction: column; }
    .research-card .lit-actions { align-items: flex-start; }
    .research-method-grid { grid-template-columns: 1fr; }
    .research-side { grid-template-columns: 1fr; }
    .research-body h2 { font-size: 18px; }
    .research-lead { font-size: 15.5px; }
}