/* Keisen.ai - Main Stylesheet */

:root {
    /* Brand Colors - Warm palette inspired by the logo */
    --color-bg: #0f0d0a;
    --color-bg-warm: #141210;
    --color-bg-elevated: #1a1714;
    --color-bg-card: #211e1a;
    --color-surface: #2d2924;

    /* Primary: Warm rust/orange from the logo's hair */
    --color-primary: #c45a2c;
    --color-primary-light: #d97b4a;
    --color-primary-dim: #a34820;

    /* Accent: Cream/beige from skin tones */
    --color-accent: #f5e6d3;
    --color-accent-soft: #e8d9c8;

    /* Teal accent for contrast */
    --color-teal: #5fb3a1;
    --color-teal-dim: #4a9587;

    /* Text colors */
    --color-text: #f5f0eb;
    --color-text-muted: #b8b0a6;
    --color-text-dim: #7a736b;

    /* Borders */
    --color-border: #3d3732;
    --color-border-light: #4d463e;

    /* Status */
    --color-success: #5fb3a1;
    --color-warning: #e9a84a;
    --color-error: #d95d5d;

    /* Code */
    --color-code-bg: #0d0b09;

    /* Typography */
    --font-display: 'Ne10', 'Space Mono', 'Courier New', monospace;
    --font-body: 'Moderat', 'Work Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Space Mono', 'JetBrains Mono', 'Fira Code', monospace;

    /* Animation */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* Subtle warm noise texture */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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");
    opacity: 0.025;
    pointer-events: none;
    z-index: 1000;
}

a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-accent);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 13, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--color-text);
}

.nav-logo-img {
    height: 48px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
    transition: color 0.2s ease;
}

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

.nav-links a.active {
    color: var(--color-primary-light);
}

.nav-cta {
    background: var(--color-primary);
    color: var(--color-bg) !important;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px);
}

.nav-mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Navigation Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
}

.nav-dropdown-trigger span {
    font-size: 0.7em;
    transition: transform 0.2s ease;
}

.nav-dropdown:hover .nav-dropdown-trigger span {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 16px;
    min-width: 400px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.nav-dropdown-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.nav-dropdown-item:hover {
    background: var(--color-surface);
    text-decoration: none;
}

.nav-dropdown-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.nav-dropdown-item div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-dropdown-item strong {
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.9rem;
}

.nav-dropdown-item span {
    color: var(--color-text-dim);
    font-size: 0.8rem;
}

.nav-dropdown-footer {
    border-top: 1px solid var(--color-border);
    margin-top: 12px;
    padding-top: 12px;
    text-align: center;
}

.nav-dropdown-footer a {
    font-size: 0.85rem;
    color: var(--color-primary-light);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center top, rgba(196, 90, 44, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

/* Warm grid pattern */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(196, 90, 44, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(196, 90, 44, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-text {
    animation: fadeInUp 0.8s var(--ease-out-expo) both;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.5vw, 3.5rem);
    font-weight: 400;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.hero-title-accent {
    color: var(--color-primary-light);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 500px;
    line-height: 1.8;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.25s var(--ease-out-expo);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 90, 44, 0.3);
    color: var(--color-bg);
}

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

.btn-secondary:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.hero-visual {
    display: flex;
    justify-content: center;
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
}

.hero-logo {
    max-width: 420px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(196, 90, 44, 0.2));
}

/* Terminal */
.hero-terminal {
    background: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 48px;
    text-align: left;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 0.8s var(--ease-out-expo) 0.4s both;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #d95d5d; }
.terminal-dot:nth-child(2) { background: #e9a84a; }
.terminal-dot:nth-child(3) { background: #5fb3a1; }

.terminal-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
}

.terminal-line {
    display: flex;
    gap: 12px;
}

.terminal-prompt {
    color: var(--color-success);
}

.terminal-cmd {
    color: var(--color-text);
}

.terminal-output {
    color: var(--color-text-muted);
    margin-top: 8px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
.section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Use Case Grid */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.use-case-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s var(--ease-out-expo);
    text-decoration: none;
}

.use-case-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.use-case-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--color-text);
    letter-spacing: 0.02em;
}

.use-case-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 16px;
    line-height: 1.6;
}

.use-case-link {
    color: var(--color-primary-light);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Features Section */
#features {
    background: var(--color-bg-warm);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s var(--ease-out-expo);
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dim) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

.feature-desc {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Architecture Section */
#architecture {
    background: var(--color-bg);
}

.arch-diagram {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    align-items: start;
}

.arch-node {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    position: relative;
}

.arch-node::after {
    content: '\2192';
    position: absolute;
    right: -24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-primary);
}

.arch-node:last-child::after {
    display: none;
}

.arch-node-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.arch-node-title {
    font-family: var(--font-display);
    font-weight: 400;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.arch-node-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Documentation Section */
#docs {
    background: var(--color-bg-warm);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.doc-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.doc-card:hover {
    border-color: var(--color-primary);
    background: var(--color-surface);
}

.doc-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.doc-content h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.doc-content p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Download Section */
#download {
    background: var(--color-bg);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.download-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
}

.download-card.disabled {
    opacity: 0.5;
    pointer-events: none;
}

.download-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.download-version {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.download-btn {
    width: 100%;
    justify-content: center;
}

.checksum {
    display: block;
    margin-top: 12px;
    padding: 8px;
    background: var(--color-bg);
    border-radius: 4px;
    font-size: 0.65rem;
    color: var(--color-text-dim);
    word-break: break-all;
    cursor: pointer;
    transition: color 0.2s;
}

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

.checksum::before {
    content: "SHA256: ";
    color: var(--color-text-muted);
}

/* Blog Section */
#blog {
    background: var(--color-bg-warm);
}

.blog-featured {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: center;
}

.blog-featured-content h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.blog-featured-meta {
    display: flex;
    gap: 16px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.blog-featured-excerpt {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.blog-featured-image {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-card) 100%);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-featured-image img {
    max-width: 70%;
    height: auto;
}

/* Pricing Section */
#pricing {
    background: var(--color-bg);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    position: relative;
}

.pricing-card.highlighted {
    border: 2px solid var(--color-primary);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-teal);
    color: var(--color-bg);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.pricing-mascot {
    width: 80px;
    height: auto;
}

.pricing-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 16px 0;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
}

.pricing-features {
    text-align: left;
    list-style: none;
    margin: 24px 0;
}

.pricing-features li {
    margin: 12px 0;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.pricing-features li::before {
    content: '\2713';
    margin-right: 8px;
    color: var(--color-success);
    font-weight: 700;
}

/* Source Section */
#source {
    background: var(--color-bg);
}

.source-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.source-info h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.source-info p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    line-height: 1.8;
}

.source-stats {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.source-code {
    background: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.source-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.source-code-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.source-code-copy {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.source-code-copy:hover {
    background: var(--color-primary);
    color: var(--color-bg);
}

.source-code-body {
    padding: 20px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.source-code-body .comment { color: var(--color-text-dim); }
.source-code-body .cmd { color: var(--color-success); }
.source-code-body .url { color: var(--color-primary-light); }

/* Footer */
.footer {
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    padding: 64px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    height: 56px;
    width: auto;
}

.footer-brand p {
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-dim);
    margin-bottom: 16px;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--color-text-dim);
    font-size: 0.95rem;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-dim);
    font-size: 0.9rem;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    font-size: 1.25rem;
    color: var(--color-text-dim);
}

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

/* Mobile Responsiveness */
@media (max-width: 1000px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-logo {
        max-width: 300px;
    }

    .use-case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

@media (max-width: 900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(15, 13, 10, 0.98);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        z-index: 100;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 16px 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links li:last-child a {
        border-bottom: none;
        margin-top: 16px;
    }

    .nav-cta {
        text-align: center;
    }

    .nav-mobile-toggle {
        display: block;
        padding: 8px;
        min-width: 44px;
        min-height: 44px;
    }

    .nav-dropdown-menu {
        display: none !important;
    }

    .nav-dropdown-trigger span {
        display: none;
    }


    .founder-content {
        grid-template-columns: 1fr !important;
        text-align: center;
    }

    .founder-photo {
        max-width: 200px;
        margin: 0 auto;
    }

    .founder-info .section-title {
        text-align: center !important;
    }

    .founder-info > div:last-child {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .arch-diagram {
        grid-template-columns: 1fr;
    }

    .arch-node::after {
        right: 50%;
        top: auto;
        bottom: -20px;
        transform: translateX(50%) rotate(90deg);
    }

    .blog-featured,
    .source-content {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .use-case-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Vertical Page Styles */
.vertical-hero {
    padding: 140px 0 80px;
    position: relative;
    overflow: hidden;
}

.vertical-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(ellipse at center top, rgba(196, 90, 44, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.vertical-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.vertical-hero-icon {
    font-size: 4rem;
    margin-bottom: 24px;
}

.vertical-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: 0.02em;
}

.vertical-hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 600px;
}

/* Pain Points Section */
.pain-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.pain-point {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
}

.pain-point-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.pain-point h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.pain-point p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* Templates Grid */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.template-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.template-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.template-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.template-name {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.template-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.template-category {
    display: inline-block;
    background: rgba(196, 90, 44, 0.15);
    color: var(--color-primary-light);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    margin-top: 12px;
}

/* Template Gallery Filter */
.template-filter {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    justify-content: center;
}

.filter-btn {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

/* Workflow Steps */
.workflow-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
}

.workflow-step {
    text-align: center;
    position: relative;
}

.workflow-step::after {
    content: '\2192';
    position: absolute;
    right: -24px;
    top: 40px;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.workflow-step:last-child::after {
    display: none;
}

.workflow-step-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: var(--color-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0 auto 16px;
}

.workflow-step h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.workflow-step p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .workflow-steps {
        grid-template-columns: 1fr;
    }

    .workflow-step::after {
        right: 50%;
        top: auto;
        bottom: -24px;
        transform: translateX(50%) rotate(90deg);
    }
}

/* CTA Section */
.cta-section {
    background: var(--color-bg);
    text-align: center;
    padding: 100px 0;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

.cta-content p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.pricing-note {
    max-width: 600px;
    margin: 32px auto 0;
    text-align: center;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.pricing-note a {
    color: var(--color-primary-light);
}

/* Template Filter Bar */
.template-filter-section {
    padding-bottom: 0;
}

.template-filter-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    padding-bottom: 48px;
}

.template-filter-btn {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.template-filter-btn:hover {
    background: var(--color-surface);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.template-filter-btn.active {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

/* Template Gallery Grid */
.templates-gallery {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.templates-gallery .template-card {
    display: block;
}