@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..700;1,14..32,300..700&display=swap');

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

:root {
    --color-primary: #181d26;
    --color-primary-active: #0d1218;
    --color-canvas: #ffffff;
    --color-surface-soft: #f8fafc;
    --color-surface-strong: #e0e2e6;
    --color-surface-dark: #181d26;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-hairline: #dddddd;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --color-signature-yellow: #f4d35e;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-pill: 9999px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --max-width: 1280px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--color-body); background: var(--color-canvas); line-height: 1.6; }
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }
address { font-style: normal; }

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

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

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--spacing-xxl);
}

.nav-logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: none;
    flex-shrink: 0;
    letter-spacing: -0.3px;
}

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

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    text-decoration: none;
    line-height: 1.25;
}

.nav-links a[aria-current="page"] {
    color: var(--color-ink);
    font-weight: 500;
}

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    margin-left: auto;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 14px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
    min-height: 48px;
}

.btn-primary:active { background: var(--color-primary-active); text-decoration: none; }
.btn-primary:hover { background: var(--color-primary-active); text-decoration: none; color: var(--color-on-primary); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 13px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
    min-height: 48px;
}

.btn-secondary:hover { background: var(--color-surface-soft); text-decoration: none; color: var(--color-ink); }

.btn-on-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    padding: 13px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    min-height: 48px;
}

.btn-on-dark:hover { background: var(--color-surface-strong); text-decoration: none; color: var(--color-ink); }

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

.hero-band .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.hero-text { max-width: 560px; }

.hero-tag {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.3px;
}

.hero-sub {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-body);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

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

.hero-image {
    border-radius: var(--rounded-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

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

h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    letter-spacing: -0.2px;
}

h3 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-ink);
    letter-spacing: 0.12px;
}

h4 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-ink);
}

p { font-size: 14px; line-height: 1.6; color: var(--color-body); }

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

.section-band--soft { background: var(--color-surface-soft); }

.section-header {
    margin-bottom: var(--spacing-xxl);
}

.section-header h2 { margin-bottom: var(--spacing-md); }
.section-header p { font-size: 16px; color: var(--color-body); max-width: 600px; }

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

.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: box-shadow 0.15s;
}

.article-card:hover { box-shadow: 0 4px 20px rgba(24,29,38,0.08); text-decoration: none; }

.article-card-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
}

.article-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-card-body {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-muted);
}

.article-card-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin: 0;
}

.article-card-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: auto;
    padding-top: var(--spacing-xs);
}

.signature-coral {
    background: var(--color-signature-coral);
    padding: var(--spacing-section) 0;
}

.signature-coral .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.signature-coral h2 {
    color: var(--color-on-primary);
    font-size: 32px;
    margin-bottom: var(--spacing-lg);
}

.signature-coral p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.signature-coral img {
    border-radius: var(--rounded-lg);
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.signature-forest {
    background: var(--color-signature-forest);
    padding: var(--spacing-section) 0;
}

.signature-forest .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.signature-forest h2 {
    color: var(--color-on-primary);
    font-size: 32px;
    margin-bottom: var(--spacing-lg);
}

.signature-forest p {
    color: rgba(255,255,255,0.85);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

.signature-forest img {
    border-radius: var(--rounded-lg);
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xxl);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-xxl);
    align-items: center;
}

.cream-callout h3 { color: var(--color-ink); font-size: 24px; margin-bottom: var(--spacing-md); }
.cream-callout p { color: var(--color-body); font-size: 15px; line-height: 1.6; }

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

.cta-band-light h2 { color: var(--color-ink); margin-bottom: var(--spacing-md); }
.cta-band-light p { color: var(--color-body); font-size: 16px; max-width: 600px; margin: 0 auto var(--spacing-xl); }

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

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

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

.demo-card p {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

.demo-card img {
    border-radius: var(--rounded-sm);
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.article-hero {
    background: var(--color-surface-dark);
    padding: var(--spacing-section) 0;
    position: relative;
    overflow: hidden;
}

.article-hero-stripes {
    position: absolute;
    inset: 0;
    display: flex;
    pointer-events: none;
}

.article-hero-stripes span {
    height: 100%;
    opacity: 0.08;
}

.article-hero-stripes span:nth-child(1) { width: 3%; background: #aa2d00; }
.article-hero-stripes span:nth-child(2) { width: 2%; background: #f4d35e; }
.article-hero-stripes span:nth-child(3) { width: 4%; background: #a8d8c4; }
.article-hero-stripes span:nth-child(4) { width: 2%; background: #fcab79; }
.article-hero-stripes span:nth-child(5) { width: 3%; background: #0a2e0e; }

.article-hero .container { position: relative; z-index: 1; }

.article-hero h1 {
    font-size: 48px;
    font-weight: 500;
    color: var(--color-on-primary);
    max-width: 720px;
    margin-bottom: var(--spacing-lg);
}

.article-hero-meta {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

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

.article-body .container {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 64px;
    align-items: start;
}

.article-content h2 {
    font-size: 28px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.article-content h3 {
    font-size: 22px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-content p {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.article-content ul, .article-content ol {
    font-size: 16px;
    line-height: 1.75;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.article-content li { margin-bottom: var(--spacing-xs); }

.article-content img {
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.article-content a {
    color: var(--color-link);
    text-decoration: underline;
}

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

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

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

.sidebar-widget ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.sidebar-widget li a {
    font-size: 14px;
    color: var(--color-body);
    text-decoration: none;
    display: block;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-hairline);
    line-height: 1.4;
}

.sidebar-widget li:last-child a { border-bottom: none; }

.contact-form {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xxl);
    max-width: 640px;
}

.contact-form h3 {
    font-size: 24px;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
}

.form-group input, .form-group textarea {
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    font-size: 14px;
    font-family: var(--font);
    color: var(--color-ink);
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}

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

.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xxl);
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
}

.page-hero h1 { font-size: 40px; margin-bottom: var(--spacing-md); }
.page-hero p { font-size: 16px; color: var(--color-muted); max-width: 640px; }

.page-content {
    padding: var(--spacing-section) 0;
    max-width: 800px;
}

.page-content h2 { font-size: 26px; margin: var(--spacing-xxl) 0 var(--spacing-md); }
.page-content h3 { font-size: 20px; margin: var(--spacing-xl) 0 var(--spacing-sm); }
.page-content p { font-size: 15px; line-height: 1.75; margin-bottom: var(--spacing-md); color: var(--color-body); }
.page-content ul { font-size: 15px; line-height: 1.75; padding-left: var(--spacing-xl); margin-bottom: var(--spacing-md); color: var(--color-body); }
.page-content li { margin-bottom: var(--spacing-xs); }
.page-content a { color: var(--color-link); text-decoration: underline; }

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

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.footer-cols {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}

.footer-brand {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

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

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

.footer-col ul a {
    font-size: 14px;
    color: var(--color-muted);
    text-decoration: none;
    line-height: 1.4;
}

.footer-col address p {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

.footer-col address a {
    color: var(--color-muted);
    text-decoration: none;
}

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

.footer-legal p {
    font-size: 13px;
    color: var(--color-muted);
}

.footer-legal a {
    color: var(--color-muted);
    text-decoration: none;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    display: none;
}

.cookie-banner.is-visible { display: flex; align-items: center; gap: var(--spacing-xxl); flex-wrap: wrap; }

.cookie-banner p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    flex: 1;
    min-width: 260px;
}

.cookie-banner a { color: #fff; text-decoration: underline; }

.cookie-actions { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }

.btn-cookie-accept {
    background: var(--color-link);
    color: #fff;
    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;
}

.breadcrumb {
    padding: var(--spacing-md) 0;
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb-sep { color: var(--color-hairline); }

.disclaimer {
    background: var(--color-surface-soft);
    border-left: 3px solid var(--color-hairline);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
    margin: var(--spacing-xxl) 0;
}

.disclaimer p {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-cols { grid-template-columns: 1fr 1fr; gap: var(--spacing-xl); }
    .article-body .container { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-inner { padding: 0 var(--spacing-md); }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline); padding: var(--spacing-md); gap: 0; }
    .nav-links.is-open { display: flex; }
    .nav-links li { width: 100%; }
    .nav-links a { display: block; padding: var(--spacing-sm) var(--spacing-md); border-bottom: 1px solid var(--color-hairline); font-size: 16px; }
    .nav-hamburger { display: flex; }
    .hero-band .container { grid-template-columns: 1fr; }
    .hero-image { display: none; }
    h1 { font-size: 32px; }
    .article-hero h1 { font-size: 32px; }
    h2 { font-size: 26px; }
    .articles-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .signature-coral .container, .signature-forest .container { grid-template-columns: 1fr; }
    .signature-coral img, .signature-forest img { display: none; }
    .cream-callout { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .footer-legal { flex-direction: column; align-items: flex-start; }
    .footer-inner { padding: 0 var(--spacing-md); }
    .spacing-section { padding: 64px 0; }
    .cookie-banner { padding: var(--spacing-md); }
}