/**
 * BDS Member Portal - Ultra Premium Light Design v5.1
 * Theme: Clean White, Sophisticated, Award-Winning UI
 */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.8;
    color: #1a1a1a;
    background: #ffffff;
    overflow-x: hidden;
    word-break: keep-all;
    word-wrap: break-word;
}

/* Typography Improvements */
p {
    line-height: 1.8;
    margin-bottom: 1rem;
    word-break: keep-all;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 1rem;
    word-break: keep-all;
    letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; font-weight: 900; }
h2 { font-size: 2rem; font-weight: 800; }
h3 { font-size: 1.625rem; font-weight: 700; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 600; }
h6 { font-size: 1.125rem; font-weight: 600; }

/* ========================================
   DESIGN TOKENS - LIGHT PREMIUM
======================================== */
:root {
    /* Premium Blue Palette */
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --primary-light: #38BDF8;
    --primary-ultra: #7DD3FC;
    
    --secondary: #8B5CF6;
    --secondary-light: #A78BFA;
    
    --accent: #06B6D4;
    --accent-light: #22D3EE;
    
    /* Light Grays */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Gradients - Ultra Premium */
    --gradient-hero: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
    --gradient-primary: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
    --gradient-secondary: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 100%);
    --gradient-accent: linear-gradient(135deg, #06B6D4 0%, #0891B2 100%);
    --gradient-rainbow: linear-gradient(135deg, #0EA5E9 0%, #8B5CF6 50%, #06B6D4 100%);
    --gradient-gold: linear-gradient(135deg, #FCD34D 0%, #F59E0B 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    --space-6xl: 12rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    --font-size-8xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows - Light Mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-glow-primary: 0 0 40px rgba(14, 165, 233, 0.15);
    --shadow-glow-secondary: 0 0 40px rgba(139, 92, 246, 0.15);
    
    /* Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-elastic: 800ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Layout */
    --container-max: 1400px;
    --nav-height: 88px;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-3xl);
    }
}

/* ========================================
   NAVIGATION - Clean White
======================================== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-base);
}

.top-nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    gap: var(--space-xl);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 800;
    font-size: var(--font-size-xl);
    padding: var(--space-sm) 0;
    transition: var(--transition-fast);
}

.brand-logo-img {
    height: 40px;
    width: auto;
    display: block;
    transition: var(--transition-fast);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Preload hint for logo */
.nav-brand {
    will-change: transform;
}

.brand-logo-img:hover {
    opacity: 0.8;
    transform: scale(1.02);
}

.brand-logo {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientFlow 3s ease infinite;
    letter-spacing: -0.02em;
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.brand-text {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
}

.nav-menu li {
    margin: 0;
    padding: 0;
}

.nav-menu a {
    display: flex;
    align-items: center;
    min-height: 38px;
    padding: 0.5rem 0.875rem;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-fast);
    z-index: -1;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-base);
}

.nav-menu a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-menu a:hover::before {
    opacity: 0.05;
}

.nav-menu a:hover::after {
    width: 80%;
}

.nav-menu a.active {
    color: white !important;
    background: var(--gradient-primary);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
    font-weight: 700;
}

.nav-menu a.active::before {
    opacity: 1;
}

.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: none;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--gray-200);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .brand-text { display: none; }
    
    .nav-menu {
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(24px);
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-xl);
        padding: var(--space-xl);
        gap: var(--space-sm);
        display: none;
        animation: slideDown 0.3s ease-out;
    }
    
    .nav-menu.active { display: flex; }
    .nav-menu a { width: 100%; }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   HERO SECTION - Clean & Bright
======================================== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--gray-900);
    padding: calc(var(--nav-height) + var(--space-4xl)) 0 var(--space-4xl);
    overflow: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Animated Background */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(14, 165, 233, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
    animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Grid Pattern */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

/* Floating Orbs */
.hero-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: floatOrb 20s ease-in-out infinite;
}

.hero-orb-1 {
    width: 400px;
    height: 400px;
    background: var(--gradient-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.hero-orb-2 {
    width: 500px;
    height: 500px;
    background: var(--gradient-secondary);
    bottom: -250px;
    left: -250px;
    animation-delay: 2s;
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-50px, 50px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    width: 100%;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    background: white;
    border: 2px solid rgba(14, 165, 233, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.hero-badge:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), var(--shadow-glow-primary);
}

.hero-badge-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.hero-headline {
    font-size: var(--font-size-8xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--space-2xl);
    letter-spacing: -0.03em;
    color: var(--gray-900);
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
    word-break: keep-all;
}

.hero-headline-gradient {
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientFlow 5s ease infinite;
}

.hero-subheadline {
    font-size: var(--font-size-2xl);
    line-height: 1.8;
    color: var(--gray-600);
    margin-bottom: var(--space-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.6s backwards;
    font-weight: 400;
    word-break: keep-all;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-4xl);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.8s backwards;
    max-width: 100%;
}

.hero-stats {
    display: flex;
    gap: var(--space-4xl);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 1s backwards;
    padding: var(--space-3xl);
    background: white;
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-xl);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.hero-stat-number {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.hero-stat-label {
    font-size: var(--font-size-base);
    color: var(--gray-600);
    font-weight: 500;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .hero {
        padding: calc(var(--nav-height) + var(--space-2xl)) var(--space-md) var(--space-3xl);
        min-height: auto;
    }
    
    .hero-content {
        padding: 0;
        max-width: 100%;
    }
    
    .hero-headline { 
        font-size: var(--font-size-4xl); 
        line-height: 1.3;
        word-break: keep-all;
        padding: 0 var(--space-sm);
    }
    
    .hero-subheadline { 
        font-size: var(--font-size-base); 
        line-height: 1.8;
        padding: 0 var(--space-sm);
    }
    
    .hero-badge {
        padding: var(--space-sm) var(--space-xl);
        font-size: var(--font-size-xs);
    }
    
    .hero-cta {
        display: flex;
        flex-direction: column;
        gap: var(--space-md);
        width: 100%;
        padding: 0 var(--space-md);
    }
    
    .hero-cta .btn {
        width: 100%;
        white-space: normal;
        text-align: center;
        min-height: 54px;
    }
    
    .hero-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-md);
        padding: 0 var(--space-md);
    }
    
    .hero-stat-number { 
        font-size: var(--font-size-3xl); 
    }
    
    .hero-stat-label {
        font-size: var(--font-size-xs);
    }
    
    h1 { font-size: 2rem; line-height: 1.3; }
    h2 { font-size: 1.75rem; line-height: 1.3; }
    h3 { font-size: 1.5rem; line-height: 1.3; }
    
    p { font-size: 1rem; line-height: 1.8; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero {
        padding: calc(var(--nav-height) + var(--space-xl)) var(--space-sm) var(--space-2xl);
    }
    
    .hero-headline {
        font-size: var(--font-size-3xl);
        padding: 0;
    }
    
    .hero-subheadline {
        font-size: var(--font-size-sm);
        padding: 0;
    }
    
    .hero-badge {
        padding: var(--space-xs) var(--space-lg);
        font-size: 0.65rem;
    }
    
    .hero-cta {
        padding: 0;
    }
    
    .hero-cta .btn {
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-base);
        min-height: 50px;
    }
    
    .hero-stats {
        gap: var(--space-sm);
        padding: 0;
    }
    
    .hero-stat-number {
        font-size: var(--font-size-2xl);
    }
    
    .hero-stat-label {
        font-size: 0.7rem;
    }
}

/* ========================================
   BUTTONS - Clean Style
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    min-height: 58px;
    padding: var(--space-lg) var(--space-3xl);
    font-size: var(--font-size-lg);
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%) rotate(45deg);
    transition: transform 0.6s;
}

.btn:hover::before {
    transform: translateX(100%) rotate(45deg);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(14, 165, 233, 0.3);
}

.btn-primary:active {
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.2);
}

.btn-secondary {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 8px 24px rgba(6, 182, 212, 0.2);
}

.btn-secondary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 16px 40px rgba(6, 182, 212, 0.3);
}

.btn-lg {
    min-height: 68px;
    padding: var(--space-xl) var(--space-4xl);
    font-size: var(--font-size-xl);
}

/* ========================================
   SECTIONS
======================================== */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section-alt {
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-4xl);
    animation: fadeInUp 0.8s ease-out;
}

.section-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-xl);
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 800;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.2);
}

.section-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: var(--space-xl);
    line-height: 1.3;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.section-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--gray-600);
    line-height: 1.8;
    font-weight: 400;
    word-break: keep-all;
}

/* ========================================
   CARDS - Clean White
======================================== */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-3xl);
    padding: var(--space-3xl);
    transition: var(--transition-base);
    height: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

.card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-slow);
}

.card:hover {
    border-color: var(--primary);
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

.card:hover::before {
    opacity: 0.03;
}

.card:hover::after {
    opacity: 1;
    transform: rotate(180deg);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-xl);
    box-shadow: 0 12px 32px rgba(14, 165, 233, 0.2);
    position: relative;
    z-index: 1;
    transition: var(--transition-elastic);
}

.card:hover .card-icon {
    transform: rotateY(360deg) scale(1.15);
    box-shadow: 0 20px 48px rgba(14, 165, 233, 0.3);
}

.card-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
    line-height: 1.3;
    word-break: keep-all;
}

.card-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.8;
    position: relative;
    z-index: 1;
    word-break: keep-all;
}

/* ========================================
   GRID
======================================== */
.grid {
    display: grid;
    gap: var(--space-2xl);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

@media (max-width: 768px) {
    .grid { 
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    
    /* Mobile card adjustments */
    .card {
        padding: var(--space-xl);
    }
    
    .card-icon {
        width: 56px;
        height: 56px;
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-lg);
    }
    
    .card-title {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-sm);
    }
    
    .card-description {
        font-size: var(--font-size-sm);
        line-height: 1.6;
    }
    
    /* Mobile section adjustments */
    .section {
        padding: var(--space-2xl) 0;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-lg);
    }
    
    /* Mobile button adjustments */
    .btn {
        min-height: 48px;
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-sm);
    }
    
    .btn-lg {
        min-height: 56px;
        padding: var(--space-lg) var(--space-xl);
        font-size: var(--font-size-md);
    }
}

@media (max-width: 480px) {
    .grid { 
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    .grid-2 { 
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    .grid-3 { 
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    .grid-4 { 
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    /* Extra small mobile adjustments */
    .card {
        padding: var(--space-lg);
    }
    
    .card-icon {
        width: 48px;
        height: 48px;
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-md);
    }
    
    .card-title {
        font-size: var(--font-size-md);
        margin-bottom: var(--space-xs);
    }
    
    .card-description {
        font-size: var(--font-size-xs);
        line-height: 1.5;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-subtitle {
        font-size: var(--font-size-md);
    }
    
    /* Extra small button adjustments */
    .btn {
        min-height: 44px;
        padding: var(--space-sm) var(--space-md);
        font-size: var(--font-size-xs);
    }
    
    .btn-lg {
        min-height: 52px;
        padding: var(--space-md) var(--space-lg);
        font-size: var(--font-size-sm);
    }
}

/* ========================================
   UTILITIES
======================================== */
.text-center { text-align: center; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.hidden { display: none !important; }

/* Stagger animations */
.stagger-item {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0ms; }
.stagger-item:nth-child(2) { animation-delay: 150ms; }
.stagger-item:nth-child(3) { animation-delay: 300ms; }
.stagger-item:nth-child(4) { animation-delay: 450ms; }
.stagger-item:nth-child(5) { animation-delay: 600ms; }
.stagger-item:nth-child(6) { animation-delay: 750ms; }