/**
 * ==========================================
 * PAYANGAN HOSPITAL - PREMIUM DESIGN SYSTEM
 * Modern Medical Healthcare Theme
 * ==========================================
 * 
 * Design Concept: Premium Hospital
 * Inspired by: Apple, Mayo Clinic, Cleveland Clinic
 * Character: Professional, Luxury, Clean, Calm, Warm, Human Centered
 */

/* ==========================================
   1. CSS VARIABLES - DESIGN TOKENS
   ========================================== */
:root {
    /* === PRIMARY: Deep Medical Blue === */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-950: #172554;
    
    /* Primary naming */
    --primary: var(--primary-600);
    --primary-light: var(--primary-400);
    --primary-dark: var(--primary-800);
    --primary-50-rgb: 239, 246, 255;
    --primary-500-rgb: 59, 130, 246;
    
    /* === SECONDARY: Soft Emerald Green === */
    --secondary-50: #ecfdf5;
    --secondary-100: #d1fae5;
    --secondary-200: #a7f3d0;
    --secondary-300: #6ee7b7;
    --secondary-400: #34d399;
    --secondary-500: #10b981;
    --secondary-600: #059669;
    --secondary-700: #047857;
    --secondary-800: #065f46;
    --secondary-900: #064e3b;
    
    /* Secondary naming */
    --secondary: var(--secondary-500);
    --secondary-light: var(--secondary-400);
    --secondary-dark: var(--secondary-700);
    --secondary-50-rgb: 236, 253, 245;
    
    /* === ACCENT: Sky Blue === */
    --accent-50: #f0f9ff;
    --accent-100: #e0f2fe;
    --accent-200: #bae6fd;
    --accent-300: #7dd3fc;
    --accent-400: #38bdf8;
    --accent-500: #0ea5e9;
    --accent-600: #0284c7;
    --accent-700: #0369a1;
    
    --accent: var(--accent-500);
    --accent-light: var(--accent-300);
    --accent-dark: var(--accent-700);
    
    /* === NEUTRAL: Warm Gray === */
    --neutral-50: #fafaf9;
    --neutral-100: #f5f5f4;
    --neutral-200: #e7e5e4;
    --neutral-300: #d6d3d1;
    --neutral-400: #a8a29e;
    --neutral-500: #78716c;
    --neutral-600: #57534e;
    --neutral-700: #44403c;
    --neutral-800: #292524;
    --neutral-900: #1c1917;
    
    /* === SEMANTIC COLORS === */
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #047857;
    
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #b45309;
    
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #b91c1c;
    
    --info: #0ea5e9;
    --info-light: #e0f2fe;
    --info-dark: #0369a1;
    
    /* === BACKGROUND COLORS === */
    --bg-primary: #ffffff;
    --bg-secondary: #fafaf9;
    --bg-tertiary: #f5f5f4;
    --bg-warm: #fefcf8;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    
    /* === TEXT COLORS === */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    --text-disabled: #cbd5e1;
    --text-inverse: #ffffff;
    
    /* === BORDER COLORS === */
    --border-light: #e2e8f0;
    --border-default: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    
    /* === GRADIENTS === */
    --gradient-primary: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-400) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-600) 0%, var(--secondary-400) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-600) 0%, var(--accent-400) 100%);
    --gradient-dark: linear-gradient(180deg, var(--bg-dark) 0%, var(--primary-900) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(30, 64, 175, 0.95) 0%, rgba(37, 99, 235, 0.85) 50%, rgba(14, 165, 233, 0.75) 100%);
    --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.5) 100%);
    
    /* === SHADOWS === */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.02), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Glow Effects */
    --shadow-glow-primary: 0 0 20px rgba(59, 130, 246, 0.3);
    --shadow-glow-secondary: 0 0 20px rgba(16, 185, 129, 0.3);
    --shadow-glow-accent: 0 0 20px rgba(14, 165, 233, 0.3);
    
    /* === BORDER RADIUS === */
    --radius-none: 0;
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-3xl: 32px;
    --radius-full: 9999px;
    
    /* === SPACING === */
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* === TYPOGRAPHY === */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    --text-7xl: 4.5rem;
    
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    
    /* === TRANSITIONS === */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* === Z-INDEX === */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* === CONTAINER === */
    --container-max: 1400px;
    --container-padding: 1.5rem;
}

/* ==========================================
   2. BASE STYLES
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ==========================================
   3. TYPOGRAPHY COMPONENTS
   ========================================== */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    color: var(--primary);
    margin-bottom: var(--space-4);
}

.section-label::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--primary);
    border-radius: var(--radius-full);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 700;
    color: var(--text-primary);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-4);
}

.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    max-width: 640px;
    line-height: var(--leading-relaxed);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-header .section-subtitle {
    margin: var(--space-4) auto 0;
}

/* ==========================================
   4. LAYOUT UTILITIES
   ========================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--space-20) 0;
}

.section-lg {
    padding: var(--space-24) 0;
}

.section-xl {
    padding: var(--space-32) 0;
}

/* ==========================================
   5. PREMIUM BUTTON SYSTEM
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-full);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--neutral-100);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-dark);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
}

.btn-emergency {
    background: var(--danger);
    color: white;
    animation: pulse-emergency 2s infinite;
}

@keyframes pulse-emergency {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.5); }
    50% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

/* ==========================================
   6. PREMIUM CARD SYSTEM
   ========================================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.card-body {
    padding: var(--space-6);
}

.card-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-light);
}

.card-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-light);
}

/* Service Card */
.card-service {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.card-service:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.card-service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.card-service:hover .card-service-icon {
    background: var(--gradient-primary);
    transform: scale(1.1);
}

.card-service-icon i {
    font-size: var(--text-3xl);
    color: var(--primary);
    transition: color var(--transition-base);
}

.card-service:hover .card-service-icon i {
    color: white;
}

.card-service-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.card-service-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
}

/* Doctor Card */
.card-doctor {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.card-doctor:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
}

.card-doctor-image {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.card-doctor-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card-doctor:hover .card-doctor-image img {
    transform: scale(1.05);
}

.card-doctor-badge {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: var(--primary);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
}

.card-doctor-content {
    padding: var(--space-6);
}

.card-doctor-name {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.card-doctor-spec {
    font-size: var(--text-sm);
    color: var(--primary);
    margin-bottom: var(--space-3);
}

.card-doctor-schedule {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.card-doctor-schedule i {
    color: var(--secondary);
}

/* Stat Card */
.card-stat {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    border: 1px solid var(--border-light);
}

.card-stat-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-stat-icon i {
    font-size: var(--text-2xl);
    color: var(--primary);
}

.card-stat-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.card-stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ==========================================
   7. HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.header.transparent {
    background: transparent;
}

.header.transparent .nav-link {
    color: rgba(255, 255, 255, 0.9);
}

.header.transparent .nav-link:hover {
    color: white;
}

.header.transparent .logo-text {
    color: white;
}

.header.transparent .btn-appointment {
    background: white;
    color: var(--primary);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.header.scrolled .nav-link {
    color: var(--text-secondary);
}

.header.scrolled .nav-link:hover {
    color: var(--primary);
}

.header-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-4) var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--text-xl);
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    transition: color var(--transition-base);
}

.nav {
    display: none;
    align-items: center;
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .nav { display: flex; }
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-base);
    position: relative;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

@media (min-width: 1024px) {
    .mobile-menu-toggle { display: none; }
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: currentColor;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    padding: var(--space-20) var(--container-padding);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
}

.mobile-menu.active {
    transform: translateX(0);
}

/* ==========================================
   8. HERO SECTION
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: var(--space-32) var(--container-padding);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
    font-weight: 800;
    color: white;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title span {
    color: var(--accent-300);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-16);
    padding-top: var(--space-10);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease 0.8s both;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: white;
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================
   9. FOOTER
   ========================================== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--space-20) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-16);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

.footer-brand .logo-text {
    color: white;
}

.footer-desc {
    font-size: var(--text-sm);
    color: var(--neutral-400);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--neutral-800);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.footer-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-6);
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--neutral-400);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: white;
    padding-left: var(--space-2);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--neutral-400);
    margin-bottom: var(--space-4);
}

.footer-contact-item i {
    color: var(--primary-400);
    margin-top: 3px;
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--neutral-800);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: var(--neutral-500);
}

.footer-accreditation {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--neutral-500);
}

.footer-accreditation i {
    color: var(--secondary);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-delay-100 { transition-delay: 100ms; }
.animate-delay-200 { transition-delay: 200ms; }
.animate-delay-300 { transition-delay: 300ms; }
.animate-delay-400 { transition-delay: 400ms; }

/* ==========================================
   11. FORM ELEMENTS
   ========================================== */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* ==========================================
   12. BADGES & TAGS
   ========================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-700);
}

.badge-secondary {
    background: var(--secondary-100);
    color: var(--secondary-700);
}

.badge-success {
    background: var(--success-light);
    color: var(--success-dark);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning-dark);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger-dark);
}

/* ==========================================
   13. SCROLLBAR
   ========================================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-300);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-400);
}

/* ==========================================
   14. UTILITY CLASSES
   ========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-dark { background: var(--bg-dark); }

.rounded { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.w-full { width: 100%; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }