@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300;0,14..32,400;0,14..32,500;0,14..32,600;1,14..32,400&display=swap');

*, *::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-hairline: #dddddd;
    --color-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-on-primary: #ffffff;
    --color-link: #1b61c9;
    --color-signature-coral: #aa2d00;
    --color-signature-forest: #0a2e0e;
    --color-signature-cream: #f5e9d4;
    --color-signature-peach: #fcab79;
    --color-signature-mint: #a8d8c4;
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-section: 96px;
    --rounded-xs: 2px;
    --rounded-sm: 6px;
    --rounded-md: 10px;
    --rounded-lg: 12px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-body);
    background: var(--color-canvas);
    -webkit-font-smoothing: antialiased;
}

a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }

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

/* ── TOP NAV ── */
.top-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    height: 64px;
    display: flex;
    align-items: center;
}

.top-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.nav-brand {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    letter-spacing: -0.3px;
    text-decoration: none;
}
.nav-brand:hover { text-decoration: none; }

.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(--color-body);
    text-decoration: none;
}
.nav-links a:hover { color: var(--color-ink); text-decoration: none; }
.nav-links a.active { color: var(--color-ink); font-weight: 500; }

.nav-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    flex-direction: column;
    gap: 5px;
}
.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: transform 0.2s, opacity 0.2s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-canvas);
    z-index: 99;
    padding: var(--spacing-xl) var(--spacing-xxl);
    flex-direction: column;
    gap: var(--spacing-lg);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    text-decoration: none;
}

/* ── BUTTONS ── */
.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 { background: var(--color-primary-active); text-decoration: none; color: var(--color-on-primary); }

.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;
    transition: border-color 0.15s;
}
.btn-secondary:hover { border-color: #aaa; text-decoration: none; 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;
}
.btn-secondary-on-dark:hover { opacity: 0.9; text-decoration: none; color: var(--color-ink); }

.btn-legal {
    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;
    text-decoration: none;
}

/* ── HERO BAND ── */
.hero-band {
    padding: var(--spacing-section) 0;
    background: var(--color-canvas);
}
.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    max-width: 680px;
    margin-bottom: var(--spacing-lg);
}
.hero-band p {
    font-size: 14px;
    color: var(--color-body);
    max-width: 520px;
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}
.hero-band .btn-row {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ── SECTION BANDS ── */
.band {
    padding: var(--spacing-section) 0;
}
.band-soft { background: var(--color-surface-soft); }
.band-strong { background: var(--color-surface-strong); }
.band-dark { background: var(--color-surface-dark); color: var(--color-on-primary); }
.band-coral { background: var(--color-signature-coral); color: var(--color-on-primary); }
.band-forest { background: var(--color-signature-forest); color: var(--color-on-primary); }
.band-cream { background: var(--color-signature-cream); }

.band-dark h2,
.band-coral h2,
.band-forest h2 { color: var(--color-on-primary); }
.band-dark p,
.band-coral p,
.band-forest p { color: rgba(255,255,255,0.82); }

/* ── SECTION HEADINGS ── */
.section-label {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.16px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}
h2.display-md {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}
h2.display-lg {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}
h3.title-lg {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    letter-spacing: 0.12px;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}
h3.title-md {
    font-size: 20px;
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-ink);
    margin-bottom: var(--spacing-sm);
}

/* ── GRIDS ── */
.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 CARDS ── */
.article-card {
    background: var(--color-canvas);
    border-radius: var(--rounded-md);
    border: 1px solid var(--color-hairline);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: #aaa; text-decoration: none; }
.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: 12px;
    font-weight: 500;
    letter-spacing: 0.16px;
    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;
    color: var(--color-body);
    line-height: 1.6;
    flex: 1;
}
.article-card-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: var(--spacing-xs);
}

/* ── DEMO GRID CARDS (stat/info tiles) ── */
.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-cream { background: var(--color-signature-cream); }
.demo-card .demo-num {
    font-size: 32px;
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
}
.demo-card .demo-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 4px;
}
.demo-card .demo-desc {
    font-size: 13px;
    color: var(--color-body);
    line-height: 1.5;
}

/* ── SIGNATURE CARDS ── */
.sig-card {
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
}
.sig-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-md);
}
.sig-card p {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255,255,255,0.82);
    max-width: 560px;
    margin-bottom: var(--spacing-xl);
}
.sig-coral { background: var(--color-signature-coral); }
.sig-forest { background: var(--color-signature-forest); }
.sig-dark { background: var(--color-surface-dark); }

/* ── CREAM CALLOUT ── */
.cream-callout {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}
.cream-callout h3 { color: var(--color-ink); margin-bottom: var(--spacing-sm); }
.cream-callout p { font-size: 14px; color: var(--color-body); line-height: 1.6; }

/* ── CTA BAND ── */
.cta-band {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    text-align: center;
}
.cta-band h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}

/* ── CONTACT FORM ── */
.contact-form { display: flex; flex-direction: column; gap: var(--spacing-md); max-width: 480px; }
.contact-form input,
.contact-form textarea {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 14px;
    font-family: inherit;
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    padding: 12px 16px;
    height: 44px;
    outline: none;
    transition: border-color 0.15s;
}
.contact-form textarea { height: auto; min-height: 100px; resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus { border-color: #458fff; }
.contact-form label { font-size: 13px; font-weight: 500; color: var(--color-body); margin-bottom: 4px; display: block; }
.form-group { display: flex; flex-direction: column; }

/* ── ARTICLE PAGE ── */
.article-hero-img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-xl);
}
.article-content { max-width: 760px; }
.article-content h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
}
.article-content h2 {
    font-size: 24px;
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-ink);
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
}
.article-content h3 {
    font-size: 20px;
    font-weight: 400;
    color: var(--color-ink);
    margin-top: var(--spacing-xl);
    margin-bottom: 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: 20px; margin-bottom: var(--spacing-md); }
.article-content li { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-xs); }
.article-content a { color: var(--color-link); }
.article-meta { font-size: 13px; color: var(--color-muted); margin-bottom: var(--spacing-xl); }
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }
.article-sidebar { position: sticky; top: 80px; }
.sidebar-card {
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}
.sidebar-card h4 { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-sm); }
.sidebar-card ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.sidebar-card ul li a { font-size: 13px; color: var(--color-link); }

/* ── PAGE CONTENT (about, privacy, terms) ── */
.page-content { max-width: 760px; padding: var(--spacing-section) 0; }
.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-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-md);
}
.page-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}
.page-content p { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-md); }
.page-content ul { padding-left: 20px; margin-bottom: var(--spacing-md); }
.page-content li { font-size: 14px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--spacing-xs); }
.page-content a { color: var(--color-link); }

/* ── FOOTER ── */
.site-footer {
    background: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding: var(--spacing-section) 0 var(--spacing-xl);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xxl);
    margin-bottom: var(--spacing-xxl);
}
.footer-brand { font-size: 16px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.footer-desc { font-size: 13px; color: var(--color-muted); line-height: 1.6; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-md); }
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--spacing-xs); }
.footer-col ul li a { font-size: 13px; color: var(--color-muted); text-decoration: none; }
.footer-col ul li a:hover { color: var(--color-ink); }
.footer-legal {
    border-top: 1px solid var(--color-hairline);
    padding-top: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.footer-legal p { font-size: 13px; color: var(--color-muted); }
.footer-legal-links { display: flex; gap: var(--spacing-lg); }
.footer-legal-links a { font-size: 13px; color: var(--color-muted); text-decoration: none; }
.footer-legal-links a:hover { color: var(--color-ink); }

/* ── COOKIE BANNER ── */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    z-index: 200;
    padding: var(--spacing-lg) var(--spacing-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}
#cookie-banner p { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.85); max-width: 700px; }
#cookie-banner p a { color: rgba(255,255,255,0.85); text-decoration: underline; }
.cookie-btns { display: flex; gap: var(--spacing-sm); flex-shrink: 0; }

/* ── DIVIDER ── */
.divider { border: none; border-top: 1px solid var(--color-hairline); margin: var(--spacing-xl) 0; }

/* ── BREADCRUMB ── */
.breadcrumb { font-size: 13px; color: var(--color-muted); margin-bottom: var(--spacing-xl); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb span { color: var(--color-muted); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-lg); }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band { padding: var(--spacing-xxl) 0; }
    .hero-band h1 { font-size: 28px; }
    .band { padding: var(--spacing-xxl) 0; }
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-xl); }
    .footer-legal { flex-direction: column; align-items: flex-start; }
    h2.display-md { font-size: 24px; }
    h2.display-lg { font-size: 28px; }
    .sig-card { padding: var(--spacing-xl); }
    .cta-band { padding: var(--spacing-xl); }
    #cookie-banner { flex-direction: column; align-items: flex-start; padding: var(--spacing-md) var(--spacing-lg); }
    .article-content h1 { font-size: 28px; }
    .page-content h1 { font-size: 28px; }
    .article-layout { grid-template-columns: 1fr; }
}