/* ==========================================================================
   STYLE SYSTEM: ĐƠN VỊ TRÍ NHỚ VÀ SA SÚT TRÍ TUỆ - BỆNH VIỆN 30-4
   Purple Theme for Alzheimer's & Dementia Awareness
   ========================================================================== */

:root {
    /* Color Palette - Alzheimer Purple & Medical Elegance */
    --primary: #7C3AED;        /* Vivid Violet */
    --primary-dark: #5B21B6;   /* Deep Violet */
    --primary-deep: #3B0764;   /* Darkest Purple */
    --primary-light: #DDD6FE;  /* Soft Purple */
    --primary-bg: #FAF5FF;     /* Lavender Tint Background */
    --purple-ribbon: #9333EA; /* Ribbon Purple */
    --purple-glow: rgba(124, 58, 237, 0.2);
    
    --accent-teal: #0D9488;    /* Fresh Medical Teal */
    --accent-teal-light: #CCFBF1;
    --accent-gold: #F59E0B;    /* Warm Amber Star Accent */
    
    --text-main: #1E1B4B;      /* Deep Indigo Text */
    --text-muted: #64748B;     /* Slate Muted */
    --text-light: #94A3B8;
    
    --bg-main: #FAFAF9;        /* Off white canvas */
    --card-bg: #FFFFFF;
    --card-border: #E9D5FF;    /* Purple border tint */
    --header-bg: rgba(255, 255, 255, 0.92);
    
    --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.06);
    --shadow-md: 0 8px 24px rgba(124, 58, 237, 0.12);
    --shadow-lg: 0 20px 40px rgba(91, 33, 182, 0.16);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Base Font Size Scaler Variable */
    --font-scale: 1;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --bg-main: #0F0718;
    --card-bg: #1A0F2E;
    --card-border: #3B1C63;
    --header-bg: rgba(15, 7, 24, 0.92);
    --text-main: #F3E8FF;
    --text-muted: #C084FC;
    --primary-bg: #271042;
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.7);
}

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

html {
    scroll-behavior: smooth;
    font-size: calc(16px * var(--font-scale));
}

body {
    font-family: 'Lexend', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* Top Accessibility & Announcement Bar */
.top-bar {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
    color: #FFFFFF;
    padding: 8px 0;
    font-size: 0.875rem;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

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

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.top-bar-item i {
    color: var(--primary-light);
}

.accessibility-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.font-size-btn, .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
}

.font-size-btn:hover, .theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Main Navigation Header */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    transition: var(--transition);
}

.main-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1380px;
    padding: 0 16px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-badge {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 4px 14px var(--purple-glow);
}

.brand-text h1 {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
    white-space: nowrap;
}

[data-theme="dark"] .brand-text h1 {
    color: var(--primary-light);
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
}

.nav-link {
    font-weight: 500;
    font-size: 0.88rem;
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

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

.btn-header-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    box-shadow: 0 4px 16px var(--purple-glow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.btn-header-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    background: none;
    color: var(--text-main);
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Section Header Shared */
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px auto;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-bg);
    color: var(--primary-dark);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid var(--card-border);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .section-tag {
    color: var(--primary-light);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1.3;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 80px 0 100px 0;
    background: radial-gradient(circle at 80% 20%, rgba(233, 213, 255, 0.4) 0%, rgba(250, 245, 255, 0) 60%),
                radial-gradient(circle at 10% 80%, rgba(124, 58, 237, 0.08) 0%, rgba(255, 255, 255, 0) 50%);
}

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

.hero-badge-ribbon {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #F3E8FF;
    color: var(--primary-dark);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 24px;
    border: 1px solid var(--primary-light);
}

.hero-badge-ribbon i {
    color: var(--purple-ribbon);
    font-size: 1.1rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.25;
    color: var(--primary-deep);
    margin-bottom: 20px;
}

[data-theme="dark"] .hero-title {
    color: #FFFFFF;
}

.hero-title span.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, #C084FC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 8px 24px var(--purple-glow);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(124, 58, 237, 0.4);
}

.btn-secondary {
    background: var(--card-bg);
    color: var(--primary-dark);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--card-border);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

[data-theme="dark"] .btn-secondary {
    color: var(--primary-light);
}

.btn-secondary:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.hero-highlights {
    display: flex;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--card-border);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.highlight-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.highlight-text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-main);
}

.highlight-text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Hero Media Card */
.hero-image-wrapper {
    position: relative;
}

.hero-img-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--card-bg);
}

.hero-img-card img {
    width: 100%;
    height: 440px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-img-card:hover img {
    transform: scale(1.03);
}

.hero-floating-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--card-bg);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    gap: 16px;
}

.badge-icon-box {
    width: 48px;
    height: 48px;
    background: var(--accent-teal-light);
    color: var(--accent-teal);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.badge-info h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.badge-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Stats Section Bar */
.stats-bar {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 80px;
}

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

.stat-card {
    padding: 10px;
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--primary-light);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* About Us Section */
.about-section {
    padding: 60px 0 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

[data-theme="dark"] .about-content h3 {
    color: var(--primary-light);
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.7;
}

.about-features-list {
    list-style: none;
    margin: 24px 0 32px 0;
}

.about-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 0.98rem;
    color: var(--text-main);
}

.about-features-list i {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 2px;
}

.doctor-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 20px;
}

.doctor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px var(--purple-glow);
}

.doctor-info h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
}

.doctor-info p {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.doctor-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Services Section */
.services-section {
    padding: 90px 0;
    background: var(--primary-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 32px 28px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--purple-ribbon) 100%);
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

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

.service-icon-box {
    width: 60px;
    height: 60px;
    background: var(--primary-bg);
    color: var(--primary);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.service-card:hover .service-icon-box {
    background: var(--primary);
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    border-top: 1px solid var(--card-border);
    padding-top: 16px;
}

.service-features li {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features i {
    color: var(--accent-teal);
}

/* Training & Research Section */
.research-section {
    padding: 100px 0;
}

.research-tabs-wrapper {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 28px;
    border-radius: var(--radius-full);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 14px var(--purple-glow);
}

.tab-content-panel {
    display: none;
    animation: fadeIn 0.4s ease;
}

.tab-content-panel.active {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.research-card-box {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 36px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.research-card-box h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 16px;
}

[data-theme="dark"] .research-card-box h3 {
    color: var(--primary-light);
}

.research-card-box p {
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.research-img-wrapper {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--card-bg);
}

.research-img-wrapper img {
    width: 100%;
    height: 380px;
    object-fit: cover;
}

/* International Cooperation Section */
.cooperation-section {
    padding: 90px 0;
    background: linear-gradient(135deg, var(--primary-deep) 0%, #2A0944 100%);
    color: white;
    position: relative;
}

.cooperation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.cooperation-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--primary-light);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.cooperation-content h2 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: #FFFFFF;
}

.cooperation-content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.75;
    margin-bottom: 24px;
}

.partner-box {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.partner-flag {
    font-size: 2.5rem;
}

.partner-info h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
}

.partner-info p {
    font-size: 0.9rem;
    color: var(--primary-light);
    margin: 0;
}

/* Memory Quiz Interactive Screening Section */
.quiz-section {
    padding: 100px 0;
    background: var(--bg-main);
}

.quiz-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    max-width: 860px;
    margin: 0 auto;
}

.quiz-progress {
    width: 100%;
    height: 8px;
    background: var(--primary-bg);
    border-radius: var(--radius-full);
    margin-bottom: 30px;
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    width: 16.6%;
    background: linear-gradient(90deg, var(--primary) 0%, var(--purple-ribbon) 100%);
    transition: width 0.3s ease;
}

.quiz-question-box {
    margin-bottom: 30px;
}

.quiz-step-num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 8px;
    display: block;
}

.quiz-question-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.4;
    margin-bottom: 24px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.quiz-option-btn {
    padding: 16px 24px;
    border-radius: var(--radius-md);
    background: var(--bg-main);
    border: 2px solid var(--card-border);
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-main);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.quiz-option-btn:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
    transform: translateX(4px);
}

.quiz-option-btn.selected {
    border-color: var(--primary);
    background: var(--primary-bg);
    color: var(--primary-dark);
    font-weight: 600;
}

.quiz-nav-btns {
    display: flex;
    justify-content: space-between;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--card-border);
}

/* Quiz Result Box */
.quiz-result-box {
    display: none;
    text-align: center;
    padding: 20px 0;
}

.result-badge {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
}

.result-badge.low { background: var(--accent-teal); }
.result-badge.medium { background: var(--accent-gold); }
.result-badge.high { background: #EF4444; }

.quiz-result-box h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
}

.quiz-result-box p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

/* Caregiver Hub Section */
.caregiver-section {
    padding: 90px 0;
    background: var(--primary-bg);
}

.caregiver-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.caregiver-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.caregiver-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.caregiver-card-header {
    height: 180px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.caregiver-tag {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.caregiver-card-header i {
    font-size: 2.8rem;
    opacity: 0.85;
}

.caregiver-card-body {
    padding: 24px;
}

.caregiver-card-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 12px;
    line-height: 1.4;
}

.caregiver-card-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.link-btn {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.link-btn:hover {
    gap: 10px;
    color: var(--primary-dark);
}

/* Booking & Contact Section */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info-card {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-lg);
}

.contact-info-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #FFFFFF;
}

.contact-info-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon-box {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.15);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-text strong {
    display: block;
    font-size: 0.95rem;
    color: #FFFFFF;
    margin-bottom: 2px;
}

.contact-text span, .contact-text a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
}

.contact-text a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.booking-form-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 44px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
}

.booking-form-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.booking-form-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-control {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--card-border);
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--card-bg);
    box-shadow: 0 0 0 3px var(--purple-glow);
}

/* Map Section */
.map-wrapper {
    margin-top: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.map-wrapper iframe {
    width: 100%;
    height: 350px;
    border: 0;
}

/* Main Footer */
.main-footer {
    background: var(--primary-deep);
    color: white;
    padding: 70px 0 30px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 14px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.footer-column h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: #FFFFFF;
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Modal Popup styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 7, 24, 0.75);
    backdrop-filter: blur(6px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 36px;
    width: 90%;
    max-width: 540px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

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

.modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-bg);
    color: var(--primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-grid, .about-grid, .cooperation-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .services-grid, .caregiver-grid {
        grid-template-columns: 1fr 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .mobile-menu-toggle {
        display: block;
    }
    .services-grid, .caregiver-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
    .hero-title {
        font-size: 2rem;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}