*, *::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;
    --surface-dark-elevated: #1d1f25;
    --hairline: #dddddd;
    --ink: #181d26;
    --body: #333840;
    --muted: #41454d;
    --border-strong: #9297a0;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --link-active: #1a3866;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --signature-yellow: #f4d35e;
    --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 { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: 'Inter', -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; }
a:hover { color: var(--link-active); }

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

ul { list-style: none; }

.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(--canvas);
    border-bottom: 1px solid var(--hairline);
}

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

.nav-logo {
    text-decoration: none;
    flex-shrink: 0;
}

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

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

.nav-menu a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-menu a:hover { color: var(--ink); }

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--ink);
    transition: transform 0.2s;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    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); color: var(--on-primary); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    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(--border-strong); color: var(--ink); }

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

.hero-band .container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
    align-items: flex-start;
}

.hero-eyebrow {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
}

.hero-h1 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
}

.hero-sub {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--body);
    max-width: 560px;
}

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

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

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

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

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

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

.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);
}

.article-card__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

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

.article-card__title a { color: var(--ink); text-decoration: none; }
.article-card__title a:hover { color: var(--link); }

.article-card__meta {
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
}

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

.signature-coral-card {
    background: var(--signature-coral);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--on-primary);
}

.signature-coral-card h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

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

.signature-forest-card {
    background: var(--signature-forest);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--on-primary);
}

.signature-forest-card h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

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

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

.dark-card h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
}

.dark-card p {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}

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

.cta-band-light h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 480px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xxs);
}

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

.form-field input,
.form-field textarea {
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    font-weight: 400;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    padding: 12px 16px;
    height: 44px;
    outline: none;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-field textarea {
    height: auto;
    min-height: 100px;
    resize: vertical;
}

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

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

.article-hero .container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.article-hero__tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.article-hero__h1 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 48px;
    font-weight: 500;
    line-height: 1.1;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

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

.article-hero__lead {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--body);
}

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

.article-body .container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.article-body h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-top: var(--spacing-section);
    margin-bottom: var(--spacing-lg);
}

.article-body h3 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    letter-spacing: 0.12px;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body);
    margin-bottom: var(--spacing-md);
}

.article-body ul {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body ul li {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body);
    margin-bottom: var(--spacing-xs);
}

.article-body a { color: var(--link); }
.article-body a:hover { color: var(--link-active); }

.article-img {
    width: 100%;
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
}

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

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

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

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

.page-hero .container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.page-hero h1 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
}

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

.page-content .container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 var(--spacing-xxl);
}

.page-content h2 {
    font-family: 'Inter Display', 'Inter', -apple-system, sans-serif;
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--ink);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-content p {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body);
    margin-bottom: var(--spacing-md);
}

.page-content ul {
    list-style: disc;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.page-content ul li {
    font-size: 14px;
    line-height: 1.75;
    color: var(--body);
    margin-bottom: var(--spacing-xs);
}

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

.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
}

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

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

.footer-logo {
    display: block;
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

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

.footer-contact {
    font-style: normal;
    font-size: 14px;
    line-height: 1.8;
    color: var(--muted);
}

.footer-contact a { color: var(--muted); }
.footer-contact a:hover { color: var(--ink); }

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

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

.footer-col ul li a:hover { color: var(--ink); }

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.footer-disclaimer {
    font-size: 13px;
    color: var(--border-strong);
}

.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: 999;
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cookie-banner p {
    font-size: 13px;
    line-height: 1.5;
    color: rgba(255,255,255,0.85);
    flex: 1;
    min-width: 200px;
}

.cookie-banner a { color: rgba(255,255,255,0.7); }
.cookie-banner a:hover { color: var(--on-primary); }

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

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

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

.breadcrumb {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--hairline);
}

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

.breadcrumb ol {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
}

.breadcrumb ol li {
    font-size: 14px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb ol li a { color: var(--muted); }
.breadcrumb ol li a:hover { color: var(--ink); }
.breadcrumb ol li:not(:last-child)::after { content: '/'; color: var(--border-strong); }

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

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

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

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

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-inner { padding: 0 var(--spacing-md); }
    .nav-toggle { display: flex; }
    .nav-menu {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--canvas);
        flex-direction: column;
        align-items: flex-start;
        padding: var(--spacing-xl) var(--spacing-md);
        gap: var(--spacing-xl);
        overflow-y: auto;
    }
    .nav-menu.is-open { display: flex; }
    .nav-menu a { font-size: 20px; }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .hero-band .container { padding: 0 var(--spacing-md); }
    .hero-h1 { font-size: 28px; }
    .article-hero__h1 { font-size: 32px; }
    .section-band { padding: var(--spacing-xxl) 0; }
    .article-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-inner { padding: var(--spacing-xl) var(--spacing-md); }
    .signature-coral-card { padding: var(--spacing-xl); }
    .signature-forest-card { padding: var(--spacing-xl); }
    .dark-card { padding: var(--spacing-xl); }
    .article-body .container { padding: 0 var(--spacing-md); }
    .article-hero .container { padding: 0 var(--spacing-md); }
    .page-hero .container { padding: 0 var(--spacing-md); }
    .page-content .container { padding: 0 var(--spacing-md); }
    .cookie-banner { padding: var(--spacing-md); }
    .form-row { grid-template-columns: 1fr; }
}