*, *::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-signature-mustard: #d9a441;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --rounded-pill: 9999px;
    --rounded-full: 50%;
    --spacing-xxs: 4px;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
}

html { 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(--color-body);
    background: var(--color-canvas);
}

a { color: inherit; text-decoration: none; }

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

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

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

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    height: 64px;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: -0.3px;
    white-space: nowrap;
}

.nav-logo-dot { color: var(--color-signature-coral); }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-left: auto;
}

.nav-link {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-body);
    transition: color 0.15s;
}

.nav-link--active { 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: all 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: 16px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

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

.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: 16px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--color-hairline);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.15s;
}

.btn-secondary-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: 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 {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    max-width: 720px;
}

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    letter-spacing: 0;
}

.hero-band .hero-sub {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-body);
    max-width: 580px;
}

.hero-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: -var(--spacing-md);
}

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

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

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

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

.section-body {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-body);
    margin-bottom: var(--spacing-lg);
}

.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;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-lg);
}

.signature-coral-card p {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
}

.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;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-lg);
}

.signature-forest-card p {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
}

.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-lg);
}

.hero-card-dark p {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--spacing-xl);
    max-width: 540px;
}

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

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

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

.article-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;
}

.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;
    gap: var(--spacing-xs);
}

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

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

.article-card__excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-body);
    flex: 1;
}

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

.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);
}

.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--cream { background: var(--color-signature-cream); }
.demo-card--mustard { background: var(--color-signature-mustard); }

.demo-card__label {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xs);
}

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

.stat-number {
    font-size: 40px;
    font-weight: 400;
    color: var(--color-ink);
    line-height: 1.1;
}

.stat-label {
    font-size: 14px;
    color: var(--color-muted);
    margin-top: var(--spacing-xxs);
}

.cta-band-light {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    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;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 520px;
}

.contact-form {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    max-width: 560px;
}

.contact-form h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

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

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

.form-input {
    width: 100%;
    height: 44px;
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    font-size: 14px;
    color: var(--color-ink);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: #458fff;
}

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

.two-col--reverse > :first-child { order: 2; }
.two-col--reverse > :last-child { order: 1; }

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

.breadcrumb {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

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

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

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

.article-content h3 {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.article-content p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

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

.article-content li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-xxs);
}

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

.article-meta {
    font-size: 13px;
    color: var(--color-muted);
    border-top: 1px solid var(--color-hairline);
    border-bottom: 1px solid var(--color-hairline);
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

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

.page-hero p {
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-body);
    max-width: 600px;
}

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

.prose h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.5;
}

.prose p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-md);
}

.prose ul, .prose ol {
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.prose li {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    margin-bottom: var(--spacing-xxs);
}

.prose a { color: var(--color-link); }

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

.articles-index-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        #aa2d00 0px, #aa2d00 18px,
        #0a2e0e 18px, #0a2e0e 36px,
        #f5e9d4 36px, #f5e9d4 54px,
        #fcab79 54px, #fcab79 72px,
        #a8d8c4 72px, #a8d8c4 90px,
        #f4d35e 90px, #f4d35e 108px
    );
    opacity: 0.15;
}

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

.articles-index-hero h1 {
    font-size: 48px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-md);
}

.articles-index-hero p {
    font-size: 18px;
    line-height: 1.5;
    color: rgba(255,255,255,0.8);
    max-width: 560px;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--spacing-md) var(--spacing-xxl);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.cookie-banner p {
    font-size: 13.12px;
    font-weight: 600;
    line-height: 1.4;
    max-width: 640px;
}

.cookie-banner p a {
    color: #458fff;
    text-decoration: underline;
}

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

.btn-cookie-accept {
    background: var(--color-link);
    color: var(--color-on-primary);
    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;
}

.disclaimer-band {
    background: var(--color-signature-cream);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-hairline);
}

.disclaimer-band p {
    font-size: 13px;
    line-height: 1.5;
    color: var(--color-muted);
    text-align: center;
}

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

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

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

.footer-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

.footer-brand-dot { color: var(--color-signature-coral); }

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

.footer-address {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-muted);
}

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

.footer-link {
    display: block;
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xs);
    transition: color 0.15s;
}

.footer-legal {
    border-top: 1px solid var(--color-hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
    font-size: 14px;
    color: var(--color-muted);
    flex-wrap: wrap;
}

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

.related-articles {
    padding: var(--spacing-section) 0;
    background: var(--color-surface-soft);
}

.related-articles h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .article-grid, .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr; }
    .two-col--reverse > :first-child { order: unset; }
    .two-col--reverse > :last-child { order: unset; }
    .footer-columns { grid-template-columns: 1fr 1fr; }
    .cta-band-light { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-inner { padding: 0 var(--spacing-md); }
    .footer-inner { padding: 0 var(--spacing-md); }
    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        left: 0; right: 0;
        background: var(--color-canvas);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-hairline);
        z-index: 99;
    }
    .nav-links.open { display: flex; }
    .nav-hamburger { display: flex; }
    .article-grid, .demo-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
    .footer-columns { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .hero-band h1 { font-size: 28px; }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .section-band { padding: var(--spacing-xxl) 0; }
    .signature-coral-card, .signature-forest-card, .hero-card-dark { padding: var(--spacing-xl); }
    .signature-coral-card h2, .signature-forest-card h2, .hero-card-dark h2 { font-size: 24px; }
    .articles-index-hero h1 { font-size: 32px; }
    .page-hero h1 { font-size: 28px; }
    .cta-band-light { padding: var(--spacing-xl); }
    .cta-band-light h2 { font-size: 24px; }
    .cookie-banner { flex-direction: column; padding: var(--spacing-md); }
}