/* ============================================
   OW Apps - Dark Theme Styles
   ============================================ */

:root {
    /* Colors */
    --bg-primary: #0a0a0b;
    --bg-secondary: #111113;
    --bg-tertiary: #18181b;
    --bg-card: #1a1a1e;
    --bg-card-hover: #222226;
    
    --text-primary: #fafafa;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --accent: #22d3ee;
    --accent-glow: rgba(34, 211, 238, 0.15);
    --accent-secondary: #a78bfa;
    
    --border: #27272a;
    --border-hover: #3f3f46;
    
    /* Typography */
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Spacing */
    --container-max: 1100px;
    --section-padding: 6rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-display);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Grain Overlay */
.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1.25rem 0;
    background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color 0.2s ease;
}

.logo:hover {
    color: var(--accent);
}

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

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 7rem;
    padding-bottom: 3rem;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.hero-line {
    display: block;
}

.hero-line.accent {
    color: var(--accent);
    text-shadow: 0 0 80px var(--accent-glow);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.6;
}

/* Hero Decoration */
.hero-decoration {
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 8s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.12) 0%, transparent 70%);
    bottom: 20%;
    left: 10%;
    animation-delay: -2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
    top: 60%;
    right: 30%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(10px, -20px) scale(1.05); }
    50% { transform: translate(-5px, 10px) scale(0.95); }
    75% { transform: translate(15px, 5px) scale(1.02); }
}

/* Tools Section */
.tools {
    padding: 2rem 0 3rem;
}

.section-header {
    margin-bottom: 1.5rem;
}

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    display: block;
    margin-bottom: 0.75rem;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* Tool Card */
.tool-card {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.5);
}

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

.tool-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-glow);
    border-radius: 12px;
    color: var(--accent);
}

.tool-icon svg {
    width: 24px;
    height: 24px;
}

.tool-content {
    flex: 1;
    min-width: 0;
}

.tool-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.tool-content p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tool-arrow {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.tool-arrow svg {
    width: 18px;
    height: 18px;
}

.tool-card:hover .tool-arrow {
    color: var(--accent);
    transform: translate(4px, -4px);
}

/* Footer */
footer {
    margin-top: auto;
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
}

footer p {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --section-padding: 4rem;
    }
    
    .hero {
        min-height: auto;
        padding-top: 8rem;
        padding-bottom: 4rem;
    }
    
    .hero-decoration {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .tool-card {
        flex-direction: column;
        gap: 1rem;
    }
    
    .tool-arrow {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }
}