*, *::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-surface-dark-elevated: #1d1f25;
    --color-hairline: #dddddd;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-link-active: #1a3866;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --color-signature-yellow: #f4d35e;
    --color-info-border: #458fff;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-full: 9999px;
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --max-width: 1280px;
}

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

body {
    font-family: var(--font);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-body);
    background: var(--color-canvas);
}

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

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

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

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

.header-inner {
    display: flex;
    align-items: center;
    height: 64px;
    gap: var(--spacing-xl);
}

.site-logo {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: -0.3px;
    flex-shrink: 0;
}

.site-nav { margin-left: auto; }
.site-nav ul { list-style: none; display: flex; gap: var(--spacing-lg); }
.site-nav a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
}
.site-nav a:hover { color: var(--color-ink); }
.site-nav .nav-active { color: var(--color-ink); font-weight: 500; }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    margin-left: auto;
    padding: 4px;
}
.nav-toggle 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-block;
    background: var(--color-primary);
    color: var(--color-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:hover { color: var(--color-on-primary); }
.btn-primary:active { background: var(--color-primary-active); }

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

.btn-secondary-on-dark {
    display: inline-block;
    background: var(--color-canvas);
    color: var(--color-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;
}

.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}
.hero-band .container { max-width: 720px; }
.hero-eyebrow {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}
.hero-h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}
.hero-sub {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
}
.hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

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

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

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

.card-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;
    display: flex;
    flex-direction: column;
}
.article-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.article-card-body { padding: var(--spacing-md); flex: 1; display: flex; flex-direction: column; }
.article-card-tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}
.article-card-title {
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}
.article-card-title a { color: inherit; }
.article-card-title a:hover { color: var(--color-link); }
.article-card-meta {
    font-size: 14px;
    color: var(--color-muted);
    margin-top: auto;
    padding-top: var(--spacing-xs);
}

.signature-coral-card {
    background: var(--color-signature-coral);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--color-on-primary);
}
.signature-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-on-primary);
}
.signature-coral-card p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.signature-forest-card {
    background: var(--color-signature-forest);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--color-on-primary);
}
.signature-forest-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-on-primary);
}
.signature-forest-card p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.hero-card-dark {
    background: var(--color-surface-dark);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--color-on-primary);
}
.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-md);
}
.hero-card-dark p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.85;
    margin-bottom: var(--spacing-xl);
}

.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xxl);
}
.cream-callout h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
.cream-callout p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
}

.cta-band-light {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}
.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
.cta-band-light p {
    font-size: 14px;
    color: var(--color-body);
    margin-bottom: 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);
    font-size: 14px;
}
.demo-card:nth-child(1) { background: var(--color-signature-peach); }
.demo-card:nth-child(2) { background: var(--color-signature-mint); }
.demo-card:nth-child(3) { background: var(--color-signature-yellow); }
.demo-card h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}
.demo-card p { color: var(--color-body); line-height: 1.5; }

.signature-card-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.article-full { padding: var(--spacing-section) 0; }
.article-full .container { max-width: 800px; }

.article-header { margin-bottom: var(--spacing-xl); }
.article-header .tag {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}
.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
.article-header .article-meta { font-size: 14px; color: var(--color-muted); }

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

.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}
.article-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}
.article-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}
.article-body ul, .article-body ol {
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-body);
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
}
.article-body li { margin-bottom: var(--spacing-xs); }
.article-body a { color: var(--color-link); }
.article-body a:hover { color: var(--color-link-active); }

.article-inline-img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
    object-fit: cover;
    max-height: 420px;
}

.article-related { padding: var(--spacing-section) 0; border-top: 1px solid var(--color-hairline); }
.article-related .container { max-width: 800px; }

.page-content { padding: var(--spacing-section) 0; }
.page-content .container { max-width: 800px; }
.page-content h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}
.page-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}
.page-content p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}
.page-content ul {
    font-size: 14px;
    line-height: 1.75;
    color: var(--color-body);
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
}
.page-content li { margin-bottom: var(--spacing-xs); }
.page-updated {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xxl);
}

.contact-form { margin-top: var(--spacing-xl); }
.form-row { margin-bottom: var(--spacing-md); display: flex; flex-direction: column; gap: var(--spacing-xs); }
.form-row label { font-size: 14px; font-weight: 500; color: var(--color-ink); }
.form-row input, .form-row textarea {
    font-family: var(--font);
    font-size: 14px;
    color: var(--color-ink);
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-info-border); }
.form-row textarea { height: auto; min-height: 100px; resize: vertical; }
.form-submit { margin-top: var(--spacing-md); }

.site-footer {
    background: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding: var(--spacing-section) 0 var(--spacing-xxl);
}
.footer-inner {}
.footer-cols {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xl);
}
.footer-brand {
    display: block;
    font-size: 20px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
.footer-tagline { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-bottom: var(--spacing-md); }
.footer-contact {
    font-style: normal;
    font-size: 14px;
    color: var(--color-muted);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.footer-contact a { color: var(--color-muted); }
.footer-contact a:hover { color: var(--color-ink); }
.footer-col strong { display: block; 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 a { font-size: 14px; color: var(--color-muted); }
.footer-col a:hover { color: var(--color-ink); }
.footer-legal { border-top: 1px solid var(--color-hairline); padding-top: var(--spacing-xl); }
.footer-legal p { font-size: 13px; color: var(--color-muted); line-height: 1.6; }

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-lg) var(--spacing-xxl);
    z-index: 200;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}
.cookie-banner p { font-size: 13px; line-height: 1.5; flex: 1; }
.cookie-banner a { color: #7ba4e8; }
.cookie-banner-actions { display: flex; gap: var(--spacing-sm); }
.btn-legal {
    font-family: var(--font);
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}
.btn-legal-accept { background: var(--color-link); color: var(--color-on-primary); }
.btn-legal-reject { background: transparent; color: var(--color-on-primary); border: 1px solid rgba(255,255,255,0.3); }

.disclaimer-bar {
    background: var(--color-surface-soft);
    border-bottom: 1px solid var(--color-hairline);
    padding: var(--spacing-sm) 0;
    font-size: 13px;
    color: var(--color-muted);
    text-align: center;
}

@media (max-width: 1024px) {
    .card-grid, .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .signature-card-row { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .footer-cols .footer-col:first-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    :root { --spacing-section: 64px; --spacing-xxl: 24px; }
    .container { padding: 0 var(--spacing-md); }

    .nav-toggle { display: flex; }
    .site-nav {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-canvas);
        padding: var(--spacing-xl);
        z-index: 99;
    }
    .site-nav.open { display: block; }
    .site-nav ul { flex-direction: column; gap: var(--spacing-lg); }
    .site-nav a { font-size: 18px; }

    .hero-h1 { font-size: 28px; }
    .hero-sub { font-size: 16px; }
    .card-grid, .demo-grid { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr; }
    .article-header h1 { font-size: 28px; }
    .page-content h1 { font-size: 28px; }
    .signature-coral-card h2, .signature-forest-card h2, .hero-card-dark h2, .cream-callout h2, .cta-band-light h2, .section-title-sm { font-size: 24px; }
    .cookie-banner { flex-direction: column; align-items: flex-start; }
    .hero-actions { flex-direction: column; }
    .btn-primary, .btn-secondary, .btn-secondary-on-dark { text-align: center; }
}