*, *::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: #333840;
    --muted: #41454d;
    --on-primary: #ffffff;
    --link: #1b61c9;
    --signature-coral: #aa2d00;
    --signature-forest: #0a2e0e;
    --signature-cream: #f5e9d4;
    --signature-peach: #fcab79;
    --signature-mint: #a8d8c4;
    --signature-yellow: #f4d35e;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
    --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, "Helvetica Neue", sans-serif;
    color: var(--body);
    background: var(--canvas);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

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

/* TOP NAV */
.top-nav {
    height: 64px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    position: sticky;
    top: 0;
    z-index: 100;
}
.top-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.nav-brand a {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    letter-spacing: -0.3px;
}
.nav-brand span { color: var(--signature-coral); }
.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}
.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--body);
    text-decoration: none;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}
.nav-mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--canvas);
    z-index: 99;
    padding: var(--spacing-xl) var(--spacing-xxl);
}
.nav-mobile-menu.open { display: block; }
.nav-mobile-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.nav-mobile-menu a {
    font-size: 18px;
    color: var(--ink);
    text-decoration: none;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    padding: 14px 24px;
    border-radius: var(--rounded-lg);
    border: 1px solid var(--hairline);
    cursor: pointer;
    text-decoration: none;
    transition: border-color 0.15s;
    line-height: 1.4;
}
.btn-secondary:hover { border-color: var(--ink); text-decoration: none; color: var(--ink); }

.btn-secondary-on-dark {
    display: inline-flex;
    align-items: center;
    background: var(--canvas);
    color: var(--ink);
    font-size: 16px;
    font-weight: 500;
    padding: 14px 24px;
    border-radius: var(--rounded-lg);
    border: none;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.4;
}
.btn-secondary-on-dark:hover { text-decoration: none; color: var(--ink); opacity: 0.9; }

/* HERO BAND */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}
.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
    max-width: 720px;
    margin-bottom: var(--spacing-lg);
}
.hero-band .hero-sub {
    font-size: 18px;
    font-weight: 400;
    color: var(--body);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}
.hero-btn-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* SIGNATURE CARDS */
.signature-coral {
    background: var(--signature-coral);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--on-primary);
}
.signature-coral h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.signature-coral p {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
}

.signature-forest {
    background: var(--signature-forest);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--on-primary);
}
.signature-forest h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.signature-forest p {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
}

.hero-card-dark {
    background: var(--surface-dark);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    color: var(--on-primary);
}
.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--on-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.hero-card-dark p {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    margin-bottom: var(--spacing-xl);
    max-width: 520px;
}

.cream-callout {
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-xl) var(--spacing-xxl);
}
.cream-callout h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.cream-callout p {
    font-size: 14px;
    color: var(--body);
    max-width: 600px;
}

/* SECTION BAND */
.section-band {
    padding: var(--spacing-section) 0;
    background: var(--canvas);
}
.section-band-soft {
    padding: var(--spacing-section) 0;
    background: var(--surface-soft);
}
.section-title {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}
.section-sub {
    font-size: 14px;
    color: var(--body);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

/* ARTICLE CARDS GRID */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}
.article-card {
    background: var(--canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline);
    overflow: hidden;
}
.article-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.article-card-body {
    padding: var(--spacing-md);
}
.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: var(--spacing-xs);
}
.article-card-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}
.article-card-title a { color: var(--ink); text-decoration: none; }
.article-card-title a:hover { color: var(--link); text-decoration: none; }
.article-card-excerpt {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}
.article-card-meta {
    font-size: 13px;
    color: var(--muted);
}

/* DEMO GRID CARDS */
.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 img {
    width: 100%;
    border-radius: var(--rounded-sm);
    margin-bottom: var(--spacing-sm);
    aspect-ratio: 4/3;
    object-fit: cover;
}
.demo-card-title {
    font-size: 16px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 4px;
}
.demo-card-sub {
    font-size: 14px;
    color: var(--body);
}

/* CTA BAND LIGHT */
.cta-band-light {
    background: var(--surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}
.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}
.cta-band-light p {
    font-size: 14px;
    color: var(--body);
    margin-bottom: var(--spacing-xl);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* CONTACT FORM */
.contact-form-wrapper {
    max-width: 560px;
    margin: 0 auto;
}
.form-group {
    margin-bottom: var(--spacing-md);
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: 6px;
}
.form-group input, .form-group textarea {
    width: 100%;
    background: var(--canvas);
    color: var(--ink);
    font-size: 14px;
    padding: 12px 16px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--hairline);
    height: 44px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: #458fff;
}
.form-group textarea {
    height: auto;
    min-height: 120px;
    resize: vertical;
}
.form-success {
    display: none;
    background: var(--signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--ink);
    font-size: 14px;
    margin-top: var(--spacing-md);
}

/* FOOTER */
.site-footer {
    padding: var(--spacing-section) 0 0;
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}
.footer-brand {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}
.footer-brand span { color: var(--signature-coral); }
.footer-desc {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    max-width: 280px;
}
.footer-col h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--muted);
    text-decoration: none;
}
.footer-col ul li a:hover { color: var(--ink); text-decoration: none; }
.footer-legal {
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-md) 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}
.footer-legal p {
    font-size: 13px;
    color: var(--muted);
}
.footer-legal-links {
    display: flex;
    gap: var(--spacing-md);
}
.footer-legal-links a {
    font-size: 13px;
    color: var(--muted);
    text-decoration: none;
}
.footer-legal-links a:hover { color: var(--ink); text-decoration: none; }

/* COOKIE BANNER */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface-dark);
    color: var(--on-primary);
    padding: var(--spacing-md) var(--spacing-xxl);
    z-index: 200;
    display: none;
}
#cookie-banner.visible { display: block; }
.cookie-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}
.cookie-text {
    font-size: 14px;
    color: rgba(255,255,255,0.85);
    max-width: 680px;
    line-height: 1.5;
}
.cookie-text a { color: rgba(255,255,255,0.7); text-decoration: underline; }
.cookie-btns {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}
.btn-legal {
    background: var(--link);
    color: var(--on-primary);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    padding: 10px 12px;
    border: none;
    cursor: pointer;
    line-height: 1.2;
}
.btn-legal-outline {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    padding: 10px 12px;
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
    line-height: 1.2;
}

/* BREADCRUMB */
.breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--spacing-md);
}
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--link); text-decoration: none; }
.breadcrumb span { margin: 0 6px; }

/* ARTICLE PAGE */
.article-hero-img {
    width: 100%;
    border-radius: var(--rounded-md);
    aspect-ratio: 16/9;
    object-fit: cover;
    margin-bottom: var(--spacing-xl);
}
.article-header h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}
.article-meta {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.article-body {
    max-width: 720px;
}
.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    line-height: 1.35;
    letter-spacing: 0.12px;
}
.article-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.4;
}
.article-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}
.article-body ul, .article-body ol {
    font-size: 14px;
    color: var(--body);
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
    line-height: 1.7;
}
.article-body li { margin-bottom: 6px; }
.article-body a { color: var(--link); }
.article-body .inline-img {
    border-radius: var(--rounded-md);
    margin: var(--spacing-xl) 0;
    width: 100%;
    object-fit: cover;
}
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-xl);
    align-items: start;
}
.article-sidebar .sidebar-widget {
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}
.article-sidebar h4 {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
}
.article-sidebar ul { list-style: none; }
.article-sidebar ul li {
    font-size: 14px;
    color: var(--body);
    padding: 6px 0;
    border-bottom: 1px solid var(--hairline);
}
.article-sidebar ul li:last-child { border-bottom: none; }
.article-sidebar ul li a { color: var(--body); text-decoration: none; }
.article-sidebar ul li a:hover { color: var(--link); text-decoration: none; }

/* PAGES (about / privacy / terms) */
.page-header {
    padding: var(--spacing-section) 0 var(--spacing-xl);
}
.page-header h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}
.page-content {
    max-width: 720px;
    padding-bottom: var(--spacing-section);
}
.page-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--ink);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}
.page-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--ink);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}
.page-content p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}
.page-content ul {
    font-size: 14px;
    color: var(--body);
    margin: 0 0 var(--spacing-md) var(--spacing-xl);
    line-height: 1.7;
}
.page-content li { margin-bottom: 6px; }
.page-content a { color: var(--link); }

/* DISCLAIMER STRIP */
.disclaimer-strip {
    background: var(--surface-soft);
    border-top: 1px solid var(--hairline);
    padding: var(--spacing-sm) 0;
}
.disclaimer-strip p {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
}

/* STATS ROW */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}
.stat-item {
    padding: var(--spacing-xl);
    background: var(--surface-soft);
    border-radius: var(--rounded-md);
    text-align: center;
}
.stat-number {
    font-size: 40px;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 4px;
}
.stat-label {
    font-size: 14px;
    color: var(--body);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .demo-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .stats-row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-md); }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band h1 { font-size: 28px; }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .section-band { padding: var(--spacing-xxl) 0; }
    .section-band-soft { padding: var(--spacing-xxl) 0; }
    .articles-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-legal { flex-direction: column; align-items: flex-start; }
    .signature-coral, .signature-forest, .hero-card-dark { padding: var(--spacing-xl); }
    .signature-coral h2, .signature-forest h2, .hero-card-dark h2 { font-size: 24px; }
    .stats-row { grid-template-columns: 1fr; }
    .cream-callout { padding: var(--spacing-xl); }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
    #cookie-banner { padding: var(--spacing-md); }
    .article-header h1 { font-size: 28px; }
    .page-header h1 { font-size: 28px; }
}