/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-900: #0c4a6e;
    
    --gold-400: #facc15;
    --gold-500: #eab308;
    --gold-600: #ca8a04;
    
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--neutral-900);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-600), var(--gold-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: white;
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-secondary:hover {
    background: var(--primary-50);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--neutral-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-700);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--neutral-700);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-600);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--neutral-50) 50%, var(--gold-50) 100%);
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(250, 204, 21, 0.1) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-4xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: white;
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-xl);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-700);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--neutral-600);
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: var(--space-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: white;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    color: var(--primary-700);
    border: 1px solid var(--primary-100);
}

.feature i {
    width: 18px;
    height: 18px;
}

/* Section Styles */
section {
    padding: var(--space-4xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Problem Section */
.problem {
    background: white;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.problem-card {
    background: var(--neutral-50);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.problem-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: white;
}

.problem-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.problem-card p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* Solutions Section */
.solutions {
    background: linear-gradient(135deg, var(--primary-50), var(--neutral-50));
}

.solutions-grid {
    display: grid;
    gap: var(--space-2xl);
}

.solution-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-xl);
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

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

.solution-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-600);
    font-family: var(--font-serif);
    line-height: 1;
}

.solution-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.solution-content p {
    color: var(--neutral-600);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.solution-content ul {
    list-style: none;
    padding: 0;
}

.solution-content li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-xs);
    color: var(--neutral-600);
}

.solution-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-600);
    font-weight: 600;
}

/* Events Section */
.events {
    background: white;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-2xl);
}

.event-card {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all 0.3s ease;
}

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

.event-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
}

.event-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    color: white;
}

.event-card p {
    margin-bottom: var(--space-xl);
    opacity: 0.9;
    line-height: 1.6;
}

.event-card .btn-primary {
    background: white;
    color: var(--primary-700);
}

.event-card .btn-primary:hover {
    background: var(--neutral-100);
    transform: translateY(-2px);
}

/* Why Choose Us Section */
.why-choose-us {
    background: var(--neutral-50);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.value-card {
    background: white;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
    text-align: center;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.value-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: white;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
    color: var(--neutral-900);
}

.value-card p {
    color: var(--neutral-600);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
    color: white;
    text-align: center;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
    color: white;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-2xl);
    opacity: 0.9;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: var(--gold-500);
    color: var(--neutral-900);
}

.cta .btn-primary:hover {
    background: var(--gold-400);
}

.cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer {
    background: var(--neutral-900);
    color: var(--neutral-300);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-3xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 400px;
}

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

.footer-logo .logo-text {
    color: white;
    font-size: 1.5rem;
}

.footer-description {
    color: var(--neutral-400);
    line-height: 1.6;
}

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

.footer-section h4 {
    color: white;
    margin-bottom: var(--space-lg);
    font-size: 1.125rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: var(--space-sm);
}

.footer-section a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-400);
}

.footer-bottom {
    border-top: 1px solid var(--neutral-700);
    padding-top: var(--space-xl);
    text-align: center;
    color: var(--neutral-500);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-features {
        gap: var(--space-lg);
    }
    
    .solution-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-content {
        padding: var(--space-2xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-2xl);
    }
    
    section {
        padding: var(--space-2xl) 0;
    }
}

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

.hero-content > * {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    animation-delay: 0.1s;
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-subtitle {
    animation-delay: 0.3s;
}

.hero-cta {
    animation-delay: 0.4s;
}

.hero-stats {
    animation-delay: 0.5s;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

/* Icon Sizing */
[data-lucide] {
    width: 20px;
    height: 20px;
}

.event-icon [data-lucide] {
    width: 32px;
    height: 32px;
}

.problem-icon [data-lucide] {
    width: 24px;
    height: 24px;
}