:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --surface-dark: #181d26;
    --hairline: #dddddd;
    --ink: #181d26;
    --body: #333840;
    --muted: #41454d;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--body);
    background: var(--canvas);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

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

.btn-secondary {
    display: inline-block;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.15s;
}

.btn-secondary-on-dark {
    display: inline-block;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

nav.top-nav {
    height: 64px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav.top-nav .nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
}

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

.nav-actions .btn-primary {
    padding: 10px 18px;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

.nav-mobile {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--canvas);
    z-index: 200;
    flex-direction: column;
    padding: var(--spacing-xxl);
}

.nav-mobile.open {
    display: flex;
}

.nav-mobile-close {
    align-self: flex-end;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ink);
    margin-bottom: var(--spacing-xl);
}

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.nav-mobile ul a {
    font-size: 20px;
    color: var(--ink);
}

.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    max-width: 640px;
    margin-bottom: var(--spacing-lg);
}

.hero-band p {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--body);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-image {
    margin-top: var(--spacing-xxl);
    border-radius: var(--rounded-md);
    overflow: hidden;
    max-height: 480px;
}

.hero-image img {
    width: 100%;
    object-fit: cover;
    max-height: 480px;
}

.section-body {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}

.section-title {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    letter-spacing: 0.12px;
    margin-bottom: var(--spacing-md);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline);
    overflow: hidden;
    padding: var(--spacing-md);
}

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-md);
}

.article-card .tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.article-card h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.article-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.article-card .meta {
    font-size: 13px;
    color: var(--muted);
}

.signature-coral-card {
    background: var(--signature-coral);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}

.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.signature-coral-card p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

.hero-card-dark {
    background: var(--surface-dark);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}

.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
}

.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.5;
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
}

.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.cream-callout h3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}

.cream-callout p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    margin: var(--spacing-section) 0;
}

.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.cta-band-light p {
    font-size: 14px;
    color: var(--body);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    max-width: 540px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    height: 44px;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
    padding: 12px 16px;
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-sm);
    font-family: inherit;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #458fff;
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-section) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.5;
    margin-top: var(--spacing-sm);
    max-width: 260px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}

.footer-legal {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal p {
    font-size: 14px;
    color: var(--muted);
}

.footer-legal-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal-links a {
    font-size: 14px;
    color: var(--muted);
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    line-height: 1.5;
}

.cookie-banner p a {
    color: var(--on-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-cookie-accept {
    background: var(--canvas);
    color: var(--ink);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}

.btn-cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13.12px;
    font-weight: 600;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
}

.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
    max-width: 720px;
}

.page-hero .lead {
    font-size: 14px;
    color: var(--body);
    max-width: 600px;
    line-height: 1.5;
}

.article-hero-img {
    width: 100%;
    border-radius: var(--rounded-md);
    overflow: hidden;
    margin: var(--spacing-xl) 0;
    max-height: 420px;
}

.article-hero-img img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.article-body {
    max-width: 720px;
}

.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    letter-spacing: 0.12px;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.article-body h3 {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-body p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: var(--spacing-md);
}

.article-body ul, .article-body ol {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-body li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: var(--spacing-xs);
}

.article-meta {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-md);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xxl);
    padding: var(--spacing-section) 0;
}

.article-sidebar {
    position: sticky;
    top: 80px;
    height: fit-content;
}

.sidebar-card {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.sidebar-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.sidebar-card ul {
    list-style: none;
}

.sidebar-card ul li {
    border-bottom: 1px solid var(--hairline);
    padding: var(--spacing-sm) 0;
}

.sidebar-card ul li:last-child {
    border-bottom: none;
}

.sidebar-card ul li a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}

.breadcrumb {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: var(--spacing-md);
}

.breadcrumb a {
    color: var(--muted);
}

.prose-section {
    padding: var(--spacing-section) 0;
    max-width: 720px;
}

.prose-section h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-xl);
}

.prose-section h2 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    letter-spacing: 0.12px;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.prose-section p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: var(--spacing-md);
}

.prose-section ul {
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.prose-section li {
    font-size: 14px;
    line-height: 1.6;
    color: var(--body);
    margin-bottom: var(--spacing-xs);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
    margin: var(--spacing-xl) 0;
}

.contact-info p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.demo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

.demo-card.peach { background: var(--signature-peach); }
.demo-card.mint { background: var(--signature-mint); }
.demo-card.cream { background: var(--signature-cream); }

.demo-card h4 {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
}

.demo-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .card-grid, .demo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        display: none;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    .nav-links, .nav-actions {
        display: none;
    }
    .hamburger {
        display: flex;
    }
    .hero-band h1, .page-hero h1, .prose-section h1 {
        font-size: 28px;
    }
    .section-title {
        font-size: 24px;
    }
    .signature-coral-card h2, .hero-card-dark h2, .cta-band-light h2 {
        font-size: 24px;
    }
    .card-grid, .demo-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .cookie-banner {
        padding: var(--spacing-md);
        flex-direction: column;
        align-items: flex-start;
    }
    .footer-legal {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero-band {
        padding: var(--spacing-xxl) 0;
    }
    .section-body, footer {
        padding: var(--spacing-xxl) 0;
    }
    .signature-coral-card {
        padding: var(--spacing-xl);
        margin: var(--spacing-xxl) 0;
    }
    .hero-card-dark {
        padding: var(--spacing-xl);
    }
    .cta-band-light {
        padding: var(--spacing-xl);
        margin: var(--spacing-xxl) 0;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
    }
}