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

:root {
    --primary: #181d26;
    --primary-active: #0d1218;
    --canvas: #ffffff;
    --surface-soft: #f8fafc;
    --surface-strong: #e0e2e6;
    --surface-dark: #181d26;
    --hairline: #dddddd;
    --ink: #181d26;
    --body-color: #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-xxs: 4px;
    --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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
}

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

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

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

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

h1 { font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h2 { font-size: 32px; font-weight: 400; line-height: 1.2; color: var(--ink); }
h3 { font-size: 24px; font-weight: 400; line-height: 1.35; color: var(--ink); letter-spacing: 0.12px; }
h4 { font-size: 20px; font-weight: 400; line-height: 1.5; color: var(--ink); }
h5 { font-size: 18px; font-weight: 500; line-height: 1.4; color: var(--ink); }
p { font-size: 14px; font-weight: 400; line-height: 1.25; color: var(--body-color); }

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

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

.btn-legal {
    display: inline-block;
    background: var(--link);
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.2;
    padding: 12px 10px;
    border-radius: var(--rounded-xs);
    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 {
    display: flex;
    align-items: center;
    height: 64px;
    gap: var(--spacing-xl);
}
nav.top-nav .nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    flex-shrink: 0;
    letter-spacing: -0.3px;
}
nav.top-nav .nav-logo:hover { text-decoration: none; color: var(--ink); }
nav.top-nav .nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    flex: 1;
}
nav.top-nav .nav-links a {
    font-size: 14px;
    color: var(--body-color);
    text-decoration: none;
}
nav.top-nav .nav-links a:hover { color: var(--ink); text-decoration: none; }
nav.top-nav .nav-right { display: flex; gap: var(--spacing-md); align-items: center; }

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: auto;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}
.hero-band h1 { max-width: 640px; margin-bottom: var(--spacing-lg); }
.hero-band .hero-sub {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--body-color);
    max-width: 540px;
    margin-bottom: var(--spacing-xl);
}
.hero-band .hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

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

.signature-coral-card {
    background: var(--signature-coral);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}
.signature-coral-card h2 { font-size: 32px; font-weight: 400; color: var(--on-primary); margin-bottom: var(--spacing-md); }
.signature-coral-card p { color: rgba(255,255,255,0.85); margin-bottom: var(--spacing-xl); font-size: 16px; line-height: 1.5; }

.signature-forest-card {
    background: var(--signature-forest);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}
.signature-forest-card h2 { font-size: 32px; font-weight: 400; color: var(--on-primary); margin-bottom: var(--spacing-md); }
.signature-forest-card p { color: rgba(255,255,255,0.85); margin-bottom: var(--spacing-xl); font-size: 16px; line-height: 1.5; }

.hero-card-dark {
    background: var(--surface-dark);
    color: var(--on-primary);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
}
.hero-card-dark h2 { font-size: 32px; font-weight: 400; color: var(--on-primary); margin-bottom: var(--spacing-md); }
.hero-card-dark p { color: rgba(255,255,255,0.8); margin-bottom: var(--spacing-xl); font-size: 16px; line-height: 1.5; }

.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}
.cream-callout h3 { margin-bottom: var(--spacing-sm); }
.cream-callout p { color: var(--body-color); }

.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    margin: var(--spacing-section) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}
.cta-band-light h2 { font-size: 32px; font-weight: 400; color: var(--ink); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-lg); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-lg); }

.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--muted); text-decoration: none; }
.article-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    display: block;
}
.article-card .card-body { padding: var(--spacing-md); }
.article-card .card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-xs);
}
.article-card h5 { margin-bottom: var(--spacing-xs); }
.article-card .card-meta { font-size: 13px; color: var(--muted); margin-top: var(--spacing-xs); }

.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}
.demo-card img { width: 100%; border-radius: var(--rounded-md); object-fit: cover; display: block; margin-bottom: var(--spacing-sm); }
.demo-card h4 { font-size: 16px; font-weight: 500; margin-bottom: var(--spacing-xs); }
.demo-card p { font-size: 14px; color: var(--muted); }

.section-header { margin-bottom: var(--spacing-xl); }
.section-header h2 { margin-bottom: var(--spacing-sm); }
.section-header p { font-size: 16px; color: var(--body-color); max-width: 560px; }

.divider { border: none; border-top: 1px solid var(--hairline); margin: var(--spacing-section) 0; }

footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-section) 0 var(--spacing-xl);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}
.footer-brand p { font-size: 14px; color: var(--muted); margin-top: var(--spacing-sm); max-width: 260px; line-height: 1.5; }
.footer-col h6 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-sm);
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-col ul a { font-size: 14px; color: var(--muted); text-decoration: none; }
.footer-col ul a:hover { color: var(--ink); }
.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { font-size: 13px; color: var(--muted); }

.article-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
    background: var(--canvas);
}
.article-hero .article-tag {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-sm);
}
.article-hero h1 { margin-bottom: var(--spacing-md); }
.article-hero .article-meta { font-size: 14px; color: var(--muted); margin-bottom: var(--spacing-xl); }
.article-hero img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--rounded-md);
    display: block;
}

.article-body {
    padding: var(--spacing-xl) 0 var(--spacing-section);
    max-width: 720px;
}
.article-body p { font-size: 15px; line-height: 1.7; color: var(--body-color); margin-bottom: var(--spacing-md); }
.article-body h2 { margin: var(--spacing-xl) 0 var(--spacing-md); }
.article-body h3 { margin: var(--spacing-lg) 0 var(--spacing-sm); }
.article-body ul { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.article-body ul li { font-size: 15px; line-height: 1.7; color: var(--body-color); margin-bottom: var(--spacing-xs); }
.article-body a { color: var(--link); }
.article-body img { width: 100%; border-radius: var(--rounded-md); margin: var(--spacing-lg) 0; }
.article-body blockquote {
    border-left: 3px solid var(--hairline);
    padding-left: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    color: var(--muted);
    font-style: italic;
}

.page-hero {
    padding: var(--spacing-section) 0 var(--spacing-xl);
}
.page-hero h1 { margin-bottom: var(--spacing-md); }
.page-hero .page-sub { font-size: 16px; color: var(--muted); }

.page-body {
    padding: 0 0 var(--spacing-section);
    max-width: 800px;
}
.page-body h2 { margin: var(--spacing-xl) 0 var(--spacing-md); }
.page-body h3 { margin: var(--spacing-lg) 0 var(--spacing-sm); }
.page-body p { font-size: 15px; line-height: 1.7; margin-bottom: var(--spacing-md); }
.page-body ul { padding-left: var(--spacing-lg); margin-bottom: var(--spacing-md); }
.page-body ul li { font-size: 15px; line-height: 1.7; margin-bottom: var(--spacing-xs); }
.page-body a { color: var(--link); }

.contact-form {
    background: var(--surface-soft);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xl);
    max-width: 540px;
    margin-top: var(--spacing-xl);
}
.contact-form h3 { margin-bottom: var(--spacing-lg); }
.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%;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-family: var(--font);
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    padding: 12px 16px;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}
.form-group textarea { height: 100px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: #458fff; }

#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    z-index: 999;
    flex-wrap: wrap;
}
#cookie-banner p { font-size: 14px; color: rgba(255,255,255,0.85); flex: 1; min-width: 200px; }
#cookie-banner a { color: #7baaf7; }
.cookie-actions { display: flex; gap: var(--spacing-sm); align-items: center; }

.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--spacing-sm);
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { margin: 0 6px; }

.stat-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    padding: var(--spacing-section) 0;
    border-top: 1px solid var(--hairline);
    border-bottom: 1px solid var(--hairline);
}
.stat-item .stat-value {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
}
.stat-item .stat-label { font-size: 14px; color: var(--muted); }

.related-articles { padding: var(--spacing-section) 0; }
.related-articles h3 { margin-bottom: var(--spacing-xl); }

.disclaimer {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-xl);
}
.disclaimer p { font-size: 13px; color: var(--muted); line-height: 1.6; }

@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stat-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stat-row { grid-template-columns: 1fr; gap: var(--spacing-md); }
    .cta-band-light { flex-direction: column; align-items: flex-start; }
    .hero-band { padding: 64px 0; }
    .section { padding: 64px 0; }
    nav.top-nav .nav-links { display: none; }
    nav.top-nav .nav-right .btn-primary { display: none; }
    .hamburger { display: flex; }
    .mobile-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--canvas);
        z-index: 99;
        padding: var(--spacing-xl);
        flex-direction: column;
        gap: var(--spacing-lg);
        overflow-y: auto;
    }
    .mobile-menu.open { display: flex; }
    .mobile-menu a { font-size: 20px; color: var(--ink); text-decoration: none; }
    .signature-coral-card, .signature-forest-card, .hero-card-dark { padding: var(--spacing-xl); margin: 64px 0; }
    .contact-form { padding: var(--spacing-lg); }
    #cookie-banner { flex-direction: column; align-items: flex-start; }
}