/* GammaLedger Homepage Styles */

/* Design System Variables */
:root {
    --bg-primary: #0a0b1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: rgba(15, 23, 42, 0.8);
    --bg-glass: rgba(15, 23, 42, 0.6);

    --purple-500: #8b5cf6;
    --purple-600: #a855f7;
    --blue-500: #3b82f6;
    --blue-600: #6366f1;
    --orange-500: #f59e0b;
    --orange-600: #d97706;

    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;

    --gradient-primary: linear-gradient(135deg, var(--purple-500), var(--blue-500));
    --gradient-secondary: linear-gradient(135deg, var(--blue-500), var(--purple-600));
    --gradient-hero: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    --gradient-card: linear-gradient(145deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.05));

    --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;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --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;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(139, 92, 246, 0.3);

    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.6, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--gradient-hero);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 768px) {
    .container { padding: 0 var(--space-6); }
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: all var(--duration-normal) var(--ease-out);
}

.nav.scrolled {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.logo img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.nav-links {
    display: none;
    gap: var(--space-8);
    list-style: none;
}

@media (min-width: 768px) {
    .nav-links { display: flex; }
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--duration-fast) var(--ease-out);
    position: relative;
}

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.4);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: url('/assets/img/gammaledger-stage-01.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 11, 26, 0.9), rgba(17, 24, 39, 0.8), rgba(31, 41, 55, 0.7));
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-20) 0;
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary), var(--purple-500), var(--blue-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s var(--ease-out) 0.2s both;
}

@media (min-width: 768px) { .hero h1 { font-size: var(--font-size-6xl); } }

.hero p {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-10);
    line-height: 1.7;
    animation: fadeInUp 1s var(--ease-out) 0.4s both;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    animation: fadeInUp 1s var(--ease-out) 0.6s both;
}

@media (min-width: 768px) {
    .hero-actions { flex-direction: row; justify-content: center; gap: var(--space-6); }
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
    animation: fadeInUp 1s var(--ease-out) 0.8s both;
}

.metric-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--duration-normal) var(--ease-out);
}

.metric-card:hover { transform: translateY(-4px); }

.metric-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--space-1);
}

/* Section */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

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

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--text-primary), var(--purple-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

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

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(139, 92, 246, 0.2);
}

.feature-content { position: relative; z-index: 10; }

.feature-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
    display: block;
}

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

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--bg-secondary);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    margin: var(--space-16) 0;
    position: relative;
    overflow: hidden;
}

.dashboard-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(139, 92, 246, 0.1), rgba(59, 130, 246, 0.1));
}

.dashboard-image {
    position: relative;
    z-index: 10;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.dashboard-image img { width: 100%; height: auto; display: block; }

/* Statistics */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--duration-normal) var(--ease-out);
}

.stat-card:hover { transform: translateY(-4px); }

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.stat-description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Target Users */
.users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.user-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.user-card.purple::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(139, 92, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.user-card.blue::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(59, 130, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.user-card.orange::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(245, 158, 11, 0.1), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

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

.user-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.user-content { position: relative; z-index: 10; }
.user-icon { font-size: var(--font-size-3xl); margin-bottom: var(--space-4); }

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

.user-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.user-features { list-style: none; }

.user-features li {
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    position: relative;
    padding-left: var(--space-6);
}

.user-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--purple-500);
    font-weight: bold;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-radius: var(--radius-2xl);
    padding: var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin: var(--space-16) 0;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.2), transparent);
}

.cta-content { position: relative; z-index: 10; }

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary), var(--purple-500), var(--blue-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-actions { flex-direction: row; justify-content: center; gap: var(--space-6); }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--space-20);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-12);
}

.footer-section h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: var(--space-2); }

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.footer-links a:hover { color: var(--purple-500); }

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.float-animation { animation: float 3s ease-in-out infinite; }

.fade-in { animation: fadeInUp 0.6s var(--ease-out) forwards; }

.text-center { text-align: center; }
.hidden { display: none; }

/* Mobile Responsive */
@media (max-width: 767px) {
    .hero h1 { font-size: var(--font-size-4xl); }
    .section-title { font-size: var(--font-size-3xl); }
    .features-grid { grid-template-columns: 1fr; }
    .hero-metrics { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}