/* ========================================
   Golden Health Medical Group - Styles
   ======================================== */

/* --- CSS Variables --- */
:root {
    --color-primary: #b8860b;
    --color-primary-light: #daa520;
    --color-primary-dark: #8b6914;
    --color-secondary: #27ae60;
    --color-secondary-light: #2ecc71;
    --color-accent: #f39c12;
    --color-text: #2c3e50;
    --color-text-light: #5d6d7e;
    --color-text-muted: #95a5a6;
    --color-bg: #ffffff;
    --color-bg-light: #f8f9fa;
    --color-bg-warm: #fdfcfb;
    --color-border: #e8ecef;
    --color-border-light: #f0f3f5;
    
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

a:hover {
    color: var(--color-primary);
}

ul {
    list-style: none;
}

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

.highlight {
    color: var(--color-primary-light);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-xl);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--color-primary);
    border-color: #fff;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text);
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.logo-icon {
    font-size: 24px;
    color: var(--color-primary);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

.logo-text small {
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 400;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-light);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-light);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--color-primary);
}

.lang-btn.active {
    color: var(--color-primary);
    background: rgba(184, 134, 11, 0.08);
}

.lang-divider {
    color: var(--color-border);
    font-size: 12px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #faf8f5 0%, #f5f2ee 50%, #faf8f5 100%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(184, 134, 11, 0.05) 0%, transparent 70%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.04) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(184, 134, 11, 0.08);
    border: 1px solid rgba(184, 134, 11, 0.15);
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 24px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text);
    margin-bottom: 24px;
}

.hero-desc {
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 16px;
    max-width: 640px;
}

.hero-desc-secondary {
    font-size: 16px;
    color: var(--color-text-muted);
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-muted);
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-primary-light), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- Section Headers --- */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- About Section --- */
.about {
    background: var(--color-bg-light);
}

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

.about-text p {
    font-size: 16px;
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.feature-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(184, 134, 11, 0.08);
    border-radius: var(--radius-md);
}

.about-feature h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.about-feature p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.about-image {
    position: relative;
}

.image-gallery {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.gallery-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.gallery-thumbs {
    display: flex;
    gap: 12px;
}

.thumb-img {
    width: calc(33.333% - 8px);
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.7;
    border: 2px solid transparent;
}

.thumb-img:hover {
    opacity: 1;
    border-color: var(--color-primary-light);
}

/* --- Features Section --- */
.features {
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    text-align: center;
    padding: 48px 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.1) 0%, rgba(218, 165, 32, 0.08) 100%);
    border-radius: 50%;
}

.feature-card-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- Services Section --- */
.services {
    background: var(--color-bg-light);
}

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

.service-card {
    position: relative;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.service-card.featured {
    border-color: var(--color-primary-light);
    background: linear-gradient(135deg, rgba(184, 134, 11, 0.02) 0%, rgba(218, 165, 32, 0.04) 100%);
}

.service-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 36px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.service-card > p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-card ul {
    list-style: none;
}

.service-card ul li {
    font-size: 13px;
    color: var(--color-text-muted);
    padding: 4px 0;
    padding-left: 20px;
    position: relative;
}

.service-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 600;
}

/* --- CTA Section --- */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    padding: 24px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
}

.contact-card-icon {
    font-size: 24px;
    margin-bottom: 12px;
}

.contact-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
}

.contact-card a {
    color: var(--color-primary-light);
    font-weight: 500;
}

.contact-note {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background: var(--color-bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--color-border-light);
}

.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--color-text);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 15px;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(218, 165, 32, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    font-size: 12px;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 16px;
}

/* --- Footer --- */
.footer {
    background: var(--color-text);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand .logo-text small {
    color: rgba(255,255,255,0.5);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

.footer-links ul li a:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    font-size: 13px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

.footer-legal a:hover {
    color: #fff;
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* FAQ Section */
.faq {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--color-primary-light);
}

.faq-icon {
    font-size: 24px;
    font-weight: 300;
    color: var(--color-primary-light);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer p {
    padding: 0 24px 20px;
    color: var(--color-text-light);
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-cta {
        display: none;
    }
    
    .nav-right {
        gap: 12px;
    }
    
    .lang-toggle {
        font-size: 12px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    /* Mobile menu */
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        padding: 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .hero-scroll {
        display: none;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}