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

:root {
    --primary: #0066cc;
    --primary-dark: #004a99;
    --primary-light: #e8f4fd;
    --secondary: #00a3e0;
    --accent: #00c853;
    --green: #00897b;
    --orange: #e65100;
    --purple: #6a1b9a;
    --dark: #1a1a2e;
    --text: #333333;
    --text-light: #666666;
    --text-muted: #999999;
    --bg: #ffffff;
    --bg-light: #f5f7fa;
    --bg-dark: #1a1a2e;
    --border: #e0e0e0;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --container: 1200px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; height: auto; }

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

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,102,204,0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-white {
    background: white;
    color: var(--primary);
    border-color: white;
}
.btn-white:hover {
    background: rgba(255,255,255,0.9);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,255,255,0.3);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: white;
}
.btn-outline-white:hover {
    background: white;
    color: var(--primary);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 13px;
    background: var(--primary);
    color: white;
    border-radius: 20px;
}
.btn-sm:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* ===== TOP BAR ===== */
.top-bar {
    background: var(--dark);
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 20px;
}

.top-bar-left a {
    color: rgba(255,255,255,0.85);
    display: flex;
    align-items: center;
    gap: 6px;
}
.top-bar-left a:hover { color: var(--secondary); }
.top-bar-left i { font-size: 11px; }

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.social-links {
    display: flex;
    gap: 12px;
}
.social-links a {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
}
.social-links a:hover {
    background: var(--primary);
    color: white;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}
.lang-toggle a { color: rgba(255,255,255,0.6); }
.lang-toggle a.active { color: white; font-weight: 600; }
.lang-toggle span { color: rgba(255,255,255,0.3); }

/* ===== HEADER ===== */
.header {
    background: white;
    padding: 12px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-m {
    color: white;
    font-size: 20px;
    font-weight: 800;
    line-height: 1;
}

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

.logo-name {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.5px;
    line-height: 1.1;
}

.logo-sub {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 500;
}

.header-search {
    flex: 1;
    max-width: 420px;
    position: relative;
}

.header-search input {
    width: 100%;
    padding: 10px 48px 10px 18px;
    border: 2px solid var(--border);
    border-radius: 30px;
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}
.header-search input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.header-search button {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border: none;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}
.header-search button:hover { background: var(--primary-dark); }

.header-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== MAIN NAV ===== */
.main-nav {
    background: var(--primary);
    position: sticky;
    top: 72px;
    z-index: 999;
}

.nav-list {
    display: flex;
    align-items: center;
}

.nav-list > li > a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 16px;
    color: rgba(255,255,255,0.9);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-list > li > a:hover,
.nav-list > li > a.active {
    background: rgba(255,255,255,0.15);
    color: white;
}

.nav-list > li > a .fa-chevron-down { font-size: 10px; }

.nav-highlight {
    background: #ff6d00 !important;
    color: white !important;
    font-weight: 700 !important;
    border-radius: 4px;
    margin: 4px 0;
    animation: pulse-highlight 2s infinite;
}

@keyframes pulse-highlight {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255,109,0,0.4); }
    50% { box-shadow: 0 0 0 6px rgba(255,109,0,0); }
}

/* Dropdown */
.has-dropdown { position: relative; }

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 240px;
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: 10px 20px;
    color: var(--text);
    font-size: 14px;
    border-bottom: 1px solid var(--bg-light);
    transition: var(--transition);
}
.dropdown li a:hover {
    background: var(--primary-light);
    color: var(--primary);
    padding-left: 24px;
}
.dropdown li:last-child a { border-bottom: none; }

/* ===== HERO ===== */
.hero {
    position: relative;
    overflow: hidden;
}

.hero-carousel { position: relative; }

.hero-slide {
    display: none;
    min-height: 500px;
    align-items: center;
    padding: 60px 0;
}
.hero-slide.active { display: flex; }

.hero-slide .container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero-content {
    flex: 1;
    color: white;
}

.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}
.hero-content h1 strong { font-weight: 800; }

.hero-content p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 500px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image { flex: 0 0 400px; }

.hero-placeholder {
    width: 350px;
    height: 350px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.2);
}
.hero-placeholder i {
    font-size: 120px;
    color: rgba(255,255,255,0.6);
}

.hero-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10;
}

.hero-prev, .hero-next {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.1);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}
.hero-prev:hover, .hero-next:hover {
    background: white;
    color: var(--primary);
    border-color: white;
}

.hero-dots {
    display: flex;
    gap: 8px;
}
.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}
.hero-dot.active {
    background: white;
    transform: scale(1.2);
}

/* ===== QUICK ACTIONS ===== */
.quick-actions {
    padding: 0;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

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

.quick-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
    border: 2px solid transparent;
}
.quick-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
    border-color: var(--primary);
}

.quick-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.quick-icon i {
    font-size: 24px;
    color: white;
}

.quick-info h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--dark);
}
.quick-info p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
}

.quick-arrow {
    margin-left: auto;
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}
.quick-card:hover .quick-arrow {
    color: var(--primary);
    transform: translateX(4px);
}

/* ===== SECTION HEADERS ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-header-light .section-tag {
    background: rgba(255,255,255,0.15);
    color: white;
}
.section-header-light h2 { color: white; }
.section-header-light p { color: rgba(255,255,255,0.8); }

/* ===== SERVICES ===== */
.services {
    padding: 80px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: white;
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-light);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}
.service-icon i {
    font-size: 30px;
    color: var(--primary);
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: var(--primary);
}
.service-card:hover .service-icon i { color: white; }

.service-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.service-card p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.service-link {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.service-link:hover { gap: 10px; }

/* ===== STATS ===== */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0052a5, #00a3e0);
    position: relative;
    overflow: hidden;
}

.stats-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>') repeat;
    background-size: 200px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    position: relative;
}

.stat-card {
    text-align: center;
    color: white;
    padding: 30px 20px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}
.stat-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.stat-icon i { font-size: 24px; }

.stat-number {
    font-size: 48px;
    font-weight: 800;
    display: inline;
    line-height: 1;
}
.stat-suffix {
    font-size: 32px;
    font-weight: 700;
    display: inline;
}

.stat-label {
    font-size: 16px;
    font-weight: 600;
    margin: 8px 0;
    opacity: 0.95;
}

.stat-card p {
    font-size: 13px;
    opacity: 0.7;
    line-height: 1.5;
}

/* ===== SPECIALTIES ===== */
.specialties {
    padding: 80px 0;
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.specialty-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 28px 16px;
    background: white;
    border-radius: var(--radius-lg);
    border: 2px solid var(--bg-light);
    transition: var(--transition);
    text-align: center;
}
.specialty-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.specialty-card i {
    font-size: 32px;
    color: var(--primary);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    border-radius: 50%;
    transition: var(--transition);
}
.specialty-card:hover i {
    background: var(--primary);
    color: white;
}

.specialty-card span {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

/* ===== DOCTORS ===== */
.doctors {
    padding: 80px 0;
    background: var(--bg-light);
}

.doctors-carousel {
    position: relative;
    overflow: hidden;
}

.doctors-track {
    display: flex;
    gap: 24px;
    transition: transform 0.4s ease;
}

.doctor-card {
    flex: 0 0 calc(25% - 18px);
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.doctor-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.doctor-img {
    height: 240px;
    background: linear-gradient(135deg, var(--primary-light), #d4e8ff);
    display: flex;
    align-items: center;
    justify-content: center;
}
.doctor-placeholder i {
    font-size: 80px;
    color: var(--primary);
    opacity: 0.4;
}

.doctor-info {
    padding: 20px;
    text-align: center;
}
.doctor-title {
    font-size: 12px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.doctor-info h3 {
    font-size: 17px;
    font-weight: 700;
    margin: 6px 0;
    color: var(--dark);
}
.doctor-spec {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 4px;
}
.doctor-exp {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.carousel-prev, .carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    background: white;
    color: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 5;
}
.carousel-prev { left: -10px; }
.carousel-next { right: -10px; }
.carousel-prev:hover, .carousel-next:hover {
    background: var(--primary);
    color: white;
}

/* ===== CTA ===== */
.cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #00796b, #26a69a);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cta-text h2 {
    font-size: 32px;
    font-weight: 800;
    color: white;
    margin-bottom: 8px;
}
.cta-text p {
    font-size: 16px;
    color: rgba(255,255,255,0.85);
}

.cta-actions {
    display: flex;
    gap: 15px;
    flex-shrink: 0;
}

/* ===== NEWS ===== */
.news {
    padding: 80px 0;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.news-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border);
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-featured {
    grid-row: span 2;
}

.news-img {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), #d4e8ff);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.news-featured .news-img { height: 300px; }

.news-placeholder i {
    font-size: 48px;
    color: var(--primary);
    opacity: 0.3;
}

.news-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: white;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.news-content {
    padding: 20px;
}

.news-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 10px;
    font-size: 12px;
    color: var(--text-muted);
}
.news-meta i { margin-right: 4px; }

.news-content h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-featured .news-content h3 {
    font-size: 20px;
    -webkit-line-clamp: 3;
}

.news-content p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.news-link {
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.news-link:hover { gap: 10px; }

.news-more {
    text-align: center;
    margin-top: 40px;
}

/* ===== PARTNERS ===== */
.partners {
    padding: 80px 0;
    background: var(--bg-light);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.partner-card {
    background: white;
    padding: 28px 16px;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.partner-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
}
.partner-icon i {
    font-size: 24px;
    color: var(--primary);
}

.partner-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.partner-card p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ===== FOOTER ===== */
.footer { background: var(--bg-dark); }

.footer-main { padding: 60px 0 40px; }

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.logo-icon-white {
    background: linear-gradient(135deg, #4da6ff, var(--secondary));
}

.footer-logo .logo-name { color: white; }
.footer-logo .logo-sub { color: rgba(255,255,255,0.5); }

.footer-about p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--primary);
    color: white;
}

.footer-col h4 {
    color: white;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul li a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.footer-col ul li a:hover {
    color: var(--secondary);
    padding-left: 4px;
}

.footer-contact li {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}
.footer-contact li i {
    color: var(--primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.footer-app {
    margin-top: 20px;
}
.footer-app p {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
    margin-bottom: 10px;
}

.app-buttons {
    display: flex;
    gap: 10px;
}
.app-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition);
}
.app-btn:hover {
    background: var(--primary);
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
}
.footer-bottom p {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 900;
}
.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===== FLOATING CONTACT ===== */
.floating-contact {
    position: fixed;
    bottom: 90px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 900;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
    animation: float-bounce 3s ease-in-out infinite;
}
.float-btn:hover { transform: scale(1.1); }

.float-phone { background: #4caf50; }
.float-chat { background: var(--primary); animation-delay: 0.5s; }
.float-zalo { background: #0068ff; animation-delay: 1s; }

@keyframes float-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .specialties-grid { grid-template-columns: repeat(4, 1fr); }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
    .doctor-card { flex: 0 0 calc(33.333% - 16px); }
}

@media (max-width: 992px) {
    .hero-content h1 { font-size: 34px; }
    .hero-image { display: none; }
    .hero-slide { min-height: 380px; }
    .quick-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .specialties-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-content { flex-direction: column; text-align: center; }
    .doctor-card { flex: 0 0 calc(50% - 12px); }
    .news-grid { grid-template-columns: 1fr; }
    .news-featured { grid-row: span 1; }
}

@media (max-width: 768px) {
    .top-bar-left { display: none; }

    .header-search { display: none; }
    .header-actions { display: none; }

    .mobile-toggle { display: flex; }

    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: white;
        z-index: 2000;
        transition: var(--transition);
        overflow-y: auto;
        box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    }
    .main-nav.open { left: 0; }

    .nav-list {
        flex-direction: column;
        padding: 20px 0;
    }
    .nav-list > li > a {
        color: var(--text);
        padding: 14px 24px;
        justify-content: space-between;
        border-bottom: 1px solid var(--bg-light);
    }
    .nav-list > li > a:hover,
    .nav-list > li > a.active {
        background: var(--primary-light);
        color: var(--primary);
    }

    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        background: var(--bg-light);
    }
    .has-dropdown.open .dropdown { display: block; }
    .dropdown li a { padding-left: 40px; }

    .nav-highlight {
        background: #ff6d00 !important;
        color: white !important;
        margin: 4px 16px;
        text-align: center;
        justify-content: center !important;
        border-radius: var(--radius) !important;
    }

    .hero-content h1 { font-size: 28px; }
    .hero-content p { font-size: 15px; }
    .hero-buttons { flex-direction: column; }
    .hero-slide { min-height: 320px; padding: 40px 0; }

    .quick-grid { grid-template-columns: 1fr; margin-top: -20px; }

    .section-header h2 { font-size: 28px; }

    .services-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .stat-number { font-size: 36px; }
    .specialties-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }

    .doctor-card { flex: 0 0 calc(100% - 0px); }

    .footer-grid { grid-template-columns: 1fr; gap: 30px; }

    .floating-contact { bottom: 80px; right: 16px; }
    .back-to-top { bottom: 20px; right: 16px; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 24px; }
    .section-header h2 { font-size: 24px; }
    .stats-grid { grid-template-columns: 1fr; }
    .specialties-grid { grid-template-columns: repeat(2, 1fr); }
    .partners-grid { grid-template-columns: 1fr; }
    .cta-text h2 { font-size: 24px; }
    .cta-actions { flex-direction: column; width: 100%; }
    .cta-actions .btn { justify-content: center; }
}

/* ===== NAV OVERLAY ===== */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}