/* 
 * LensFloat Marketing - Stitch Design Taste
 */

:root {
    /* Colors - Dark Mode strictly */
    --bg-dark: #09090b;
    --bg-card: rgba(255, 255, 255, 0.03);

    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #52525b;
    --text-inverse: #09090b;

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);

    --accent-primary: #ffffff; /* White CTA */

    /* Typography */
    --font-display: "Outfit", sans-serif;
    --font-body: "Outfit", sans-serif;

    /* Strict Radius 0 */
    --radius-none: 0px;

    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Layout */
    --max-width: 1400px;
}

* {
    margin: var(--space-0, 0);
    padding: var(--space-0, 0);
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100dvh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.65;
}

/* Typography Base */
h1,
h2,
h3,
h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin-bottom: var(--space-6);
}

p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    max-width: 65ch;
}

a {
    color: var(--text-primary);
    text-decoration: none;
}

/* Ambient Environment */
.ambient-lighting {
    position: fixed;
    top: -20vh;
    left: 20vw;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
.glass-nav {
    position: sticky;
    top: var(--space-0, 0);
    width: 100%;
    z-index: 100;
    padding: var(--space-4) var(--space-0, 0);
    background: rgba(9, 9, 11, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.025em;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-none);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    border: 1px solid transparent;
    gap: var(--space-2);
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--text-inverse);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
}

.btn-ghost:hover {
    background: var(--bg-card);
}

/* Hero Section (Asymmetric Split Screen) */
.hero {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-24) var(--space-8) var(--space-16);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    min-height: 90dvh;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
}

/* Visual Showcase */
.app-showcase {
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-none);
    overflow: hidden;
    height: 100%;
    min-height: 500px;
    display: flex;
    flex-direction: column;
}

.app-header {
    border-bottom: 1px solid var(--border-glass);
    padding: var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.app-body {
    flex: 1;
    padding: var(--space-12);
    position: relative;
}

.script-content {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    line-height: 1.3;
}

.line {
    margin-bottom: var(--space-4);
}

.active {
    color: var(--text-primary);
}

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

/* Bento Grid Features (No 3-column equal cards) */
.features {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-16) var(--space-8);
}

.features-header {
    margin-bottom: var(--space-16);
    max-width: 600px;
}

.features-header h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
}

.bento-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.bento-grid-reverse {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-4);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-none);
    padding: var(--space-12);
    transition: background 0.3s ease;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
}

.feature-icon-wrapper {
    width: 48px;
    height: 48px;
    border: 1px solid var(--border-highlight);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-8);
    border-radius: var(--radius-none);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
}

/* Footer */
footer {
    padding: var(--space-16) var(--space-8);
    border-top: 1px solid var(--border-glass);
    text-align: left;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.footer-brand {
    font-weight: 800;
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
}

/* Blog Styles */
.blog-header {
    padding: var(--space-24) var(--space-8) var(--space-16);
    max-width: 800px;
    margin: 0 auto;
}

.blog-meta {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    display: block;
}

.blog-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-8) var(--space-24);
}

.blog-content h2 {
    margin-top: var(--space-12);
    font-size: 2rem;
}

.blog-content p {
    font-size: 1.125rem;
    max-width: 100%;
}

.blog-content ul {
    margin-bottom: var(--space-6);
    padding-left: var(--space-6);
    color: var(--text-secondary);
}

.blog-content li {
    margin-bottom: var(--space-2);
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
        min-height: auto;
    }

    .bento-grid,
    .bento-grid-reverse {
        grid-template-columns: 1fr;
    }

    .nav-actions .btn:first-child {
        display: none;
    }

    footer {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-8);
    }
}