/* ================================================
   FUDA.dev - Ultra Modern Design
   Inspired by Windsurf, Cursor, Perplexity
   ================================================ */

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

:root {
    /* Colors */
    --bg: #fafaf9;
    --surface: #ffffff;
    --text: #1c1917;
    --text-secondary: #78716c;
    --text-tertiary: #a8a29e;
    --accent: #f97316;
    --accent-dark: #ea580c;
    --accent-light: #fb923c;
    --border: #e7e5e4;
    --beige: #f5f5f4;
    
    /* Fonts */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    
    /* Spacing */
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    
    /* Radius */
    --radius: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --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);
    
    /* Animation */
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
}

.logo-text {
    color: var(--text);
}

.logo-domain {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color 0.2s var(--ease);
}

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

/* ========== HERO ========== */
.hero {
    position: relative;
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-6);
    overflow: hidden;
}

/* Hero Animated Background */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.grid-lines {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(to right, rgba(231, 229, 228, 0.3) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(231, 229, 228, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Particles */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0.4;
}

.particle-1 {
    top: 20%;
    left: 10%;
    animation: particleFloat1 15s ease-in-out infinite;
}

.particle-2 {
    top: 60%;
    left: 80%;
    animation: particleFloat2 12s ease-in-out infinite;
}

.particle-3 {
    top: 40%;
    left: 30%;
    animation: particleFloat3 18s ease-in-out infinite;
}

.particle-4 {
    top: 70%;
    left: 60%;
    animation: particleFloat1 20s ease-in-out infinite reverse;
}

.particle-5 {
    top: 25%;
    left: 85%;
    animation: particleFloat2 16s ease-in-out infinite reverse;
}

@keyframes particleFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(40px, -30px) scale(1.5); }
    50% { transform: translate(-20px, 50px) scale(0.8); }
    75% { transform: translate(60px, 20px) scale(1.2); }
}

@keyframes particleFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, 40px) scale(1.3); }
    66% { transform: translate(30px, -40px) scale(0.9); }
}

@keyframes particleFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    20% { transform: translate(30px, 50px) scale(1.1); }
    40% { transform: translate(-40px, -30px) scale(1.4); }
    60% { transform: translate(50px, -20px) scale(0.7); }
    80% { transform: translate(-30px, 40px) scale(1.2); }
}

/* Floating Shapes - Interactive */
.floating-shape {
    position: absolute;
    opacity: 0.05;
    will-change: transform;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    touch-action: none;
}

.floating-shape svg {
    width: 100%;
    height: 100%;
    color: var(--accent);
    pointer-events: none;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
}

.shape-2 {
    width: 250px;
    height: 250px;
    bottom: 15%;
    right: 10%;
}

.shape-3 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: 5%;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    transition: all 0.3s var(--ease);
}

.hero-badge:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
    color: var(--text);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.3s var(--ease);
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(249, 115, 22, 0.2);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--text-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Background Effects */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* ========== FEATURES - BENTO GRID ========== */
.section {
    padding: var(--space-24) var(--space-6);
}

.section-header {
    max-width: 800px;
    margin: 0 auto var(--space-16);
    text-align: center;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--beige);
    color: var(--accent);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Bento Grid Layout */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.bento-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s var(--ease);
    position: relative;
    overflow: hidden;
}

.bento-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent-light), var(--accent));
    opacity: 0;
    transition: opacity 0.3s var(--ease);
}

.bento-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

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

.bento-card.large {
    grid-column: span 2;
    grid-row: span 2;
}

.bento-card.wide {
    grid-column: span 2;
}

.bento-card.medium {
    grid-column: span 2;
}

.bento-content {
    position: relative;
    z-index: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.bento-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

/* Ajustement quand pas d'icon */
.bento-content > h3:first-child {
    margin-top: 0;
}

.bento-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text);
}

.bento-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: auto;
}

.bento-stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Legacy features grid for stats */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 3rem 1.5rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-tagline {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.nav-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s var(--ease);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: all 0.2s var(--ease);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* ========== STATS ========== */
.stat-card {
    text-align: center;
    padding: var(--space-8);
}

.stat-value {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========== PRICING ========== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    padding: 2.5rem 2rem;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    position: relative;
    transition: all 0.3s var(--ease);
}

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

.pricing-card.featured {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--text);
}

.price-period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pricing-features li {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    padding-left: 0.5rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bento-card.large {
        grid-column: span 2;
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .bento-grid {
        grid-template-columns: 1fr;
    }
    
    .bento-card.large,
    .bento-card.wide,
    .bento-card.medium {
        grid-column: span 1;
        grid-row: span 1;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .floating-shape {
        width: 150px !important;
        height: 150px !important;
    }
}

@media (max-width: 480px) {
    .footer-nav {
        grid-template-columns: 1fr;
    }
    
    .floating-shape {
        display: none;
    }
    
    .particle {
        display: none;
    }
}