*, *::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-sig-coral:     #aa2d00;
    --color-sig-forest:    #0a2e0e;
    --color-sig-cream:     #f5e9d4;
    --color-sig-peach:     #fcab79;
    --color-sig-mint:      #a8d8c4;
    --color-ink:           #181d26;
    --color-body:          #333840;
    --color-muted:         #41454d;
    --color-hairline:      #dddddd;
    --color-on-primary:    #ffffff;
    --color-link:          #1b61c9;
    --color-link-active:   #1a3866;

    --rounded-xs:  2px;
    --rounded-sm:  6px;
    --rounded-md:  10px;
    --rounded-lg:  12px;
    --rounded-full:9999px;

    --sp-xxs: 4px;
    --sp-xs:  8px;
    --sp-sm:  12px;
    --sp-md:  16px;
    --sp-lg:  24px;
    --sp-xl:  32px;
    --sp-xxl: 48px;
    --sp-sec: 96px;

    --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --max-width: 1280px;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-base);
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-body);
    background: var(--color-canvas);
}
a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-active); text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

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

/* ── TOP NAV ── */
.site-header {
    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;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.site-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    letter-spacing: -0.02em;
    text-decoration: none;
    white-space: nowrap;
}
.site-logo:hover { color: var(--color-ink); text-decoration: none; }

.site-nav ul { list-style: none; display: flex; gap: var(--sp-xl); align-items: center; }
.site-nav > ul > li > a {
    font-size: 14px;
    color: var(--color-body);
    font-weight: 400;
}
.site-nav > ul > li > a:hover { color: var(--color-ink); text-decoration: none; }

.has-sub { position: relative; }
.sub-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-md);
    min-width: 220px;
    flex-direction: column;
    gap: 0;
    padding: var(--sp-xs) 0;
    z-index: 200;
}
.sub-menu li { display: block; }
.sub-menu a {
    display: block;
    padding: var(--sp-xs) var(--sp-md);
    font-size: 14px;
    color: var(--color-body);
}
.sub-menu a:hover { background: var(--color-surface-soft); color: var(--color-ink); text-decoration: none; }
.has-sub:hover .sub-menu,
.has-sub:focus-within .sub-menu { display: flex; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: var(--sp-xs); flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-ink); border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }

/* ── HERO BAND ── */
.hero-band {
    padding: var(--sp-sec) 0;
    background: var(--color-canvas);
}
.hero-band .container { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-xxl); align-items: center; }
.hero-text h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--sp-lg);
}
.hero-text p {
    font-size: 16px;
    color: var(--color-body);
    line-height: 1.6;
    margin-bottom: var(--sp-xl);
    max-width: 480px;
}
.hero-img { border-radius: var(--rounded-lg); overflow: hidden; aspect-ratio: 4/3; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }

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

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

.btn-row { display: flex; gap: var(--sp-md); flex-wrap: wrap; align-items: center; }

/* ── SECTION LABELS ── */
.section-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--sp-md);
}

/* ── EDITORIAL SECTIONS ── */
.section { padding: var(--sp-sec) 0; }
.section-header { margin-bottom: var(--sp-xxl); }
.section-header h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    line-height: 1.2;
    margin-bottom: var(--sp-md);
}
.section-header p {
    font-size: 16px;
    color: var(--color-body);
    max-width: 600px;
}

/* ── ARTICLE CARDS ── */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }
.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;
}
.article-card:hover { border-color: #b0b5bc; text-decoration: none; }
.article-card-thumb { aspect-ratio: 16/9; overflow: hidden; }
.article-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.article-card:hover .article-card-thumb img { transform: scale(1.03); }
.article-card-body { padding: var(--sp-md); display: flex; flex-direction: column; flex: 1; }
.article-card-tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--sp-xs);
}
.article-card-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1.4;
    margin-bottom: var(--sp-xs);
}
.article-card-excerpt { font-size: 14px; color: var(--color-body); line-height: 1.5; flex: 1; }
.article-card-meta { font-size: 13px; color: var(--color-muted); margin-top: var(--sp-md); }

/* ── SIGNATURE CORAL CARD ── */
.sig-coral-card {
    background: var(--color-sig-coral);
    border-radius: var(--rounded-lg);
    padding: var(--sp-xxl);
    color: var(--color-on-primary);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xxl);
    align-items: center;
}
.sig-coral-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-on-primary);
    margin-bottom: var(--sp-md);
}
.sig-coral-card p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.88); margin-bottom: var(--sp-xl); }
.sig-coral-card img { border-radius: var(--rounded-md); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.btn-secondary-on-dark {
    display: inline-block;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    padding: 14px 24px;
    border-radius: var(--rounded-lg);
    text-decoration: none;
    border: none;
    transition: opacity 0.15s;
}
.btn-secondary-on-dark:hover { opacity: 0.9; text-decoration: none; color: var(--color-ink); }

/* ── DARK CTA CARD ── */
.hero-card-dark {
    background: var(--color-surface-dark);
    border-radius: var(--rounded-lg);
    padding: var(--sp-xxl);
    color: var(--color-on-primary);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-lg);
}
.hero-card-dark h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-on-primary);
    line-height: 1.2;
}
.hero-card-dark p { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.6; max-width: 540px; }

/* ── CREAM CALLOUT ── */
.cream-callout {
    background: var(--color-sig-cream);
    border-radius: var(--rounded-md);
    padding: var(--sp-xxl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xxl);
    align-items: center;
}
.cream-callout h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--sp-md);
    line-height: 1.35;
}
.cream-callout p { font-size: 14px; color: var(--color-body); line-height: 1.6; margin-bottom: var(--sp-lg); }
.cream-callout ul { list-style: none; margin-bottom: var(--sp-xl); }
.cream-callout ul li {
    font-size: 14px;
    color: var(--color-body);
    padding: var(--sp-xs) 0;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    display: flex;
    gap: var(--sp-xs);
}
.cream-callout ul li::before { content: "–"; color: var(--color-muted); }
.cream-callout-img { border-radius: var(--rounded-md); overflow: hidden; }
.cream-callout-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ── DEMO GRID (3-up) ── */
.demo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-lg); }
.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--sp-md);
    overflow: hidden;
}
.demo-card-peach  { background: var(--color-sig-peach); }
.demo-card-mint   { background: var(--color-sig-mint); }
.demo-card-cream  { background: var(--color-sig-cream); }
.demo-card strong { display: block; font-size: 16px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--sp-xs); }
.demo-card p      { font-size: 14px; color: var(--color-body); line-height: 1.5; }

/* ── CTA BAND LIGHT ── */
.cta-band-light {
    background: var(--color-surface-strong);
    border-radius: var(--rounded-lg);
    padding: var(--sp-xxl);
    text-align: center;
}
.cta-band-light h2 {
    font-size: 32px;
    font-weight: 400;
    color: var(--color-ink);
    margin-bottom: var(--sp-md);
    line-height: 1.2;
}
.cta-band-light p { font-size: 14px; color: var(--color-body); margin-bottom: var(--sp-xl); max-width: 520px; margin-left: auto; margin-right: auto; }

/* ── ARTICLE PAGE ── */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--sp-xxl);
    align-items: start;
    padding: var(--sp-sec) 0;
}
.article-body { max-width: 720px; }
.article-body h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--color-ink);
    line-height: 1.2;
    margin-bottom: var(--sp-md);
}
.article-body .article-meta {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--sp-xl);
    display: flex;
    gap: var(--sp-lg);
}
.article-body .article-hero-img {
    border-radius: var(--rounded-md);
    overflow: hidden;
    margin-bottom: var(--sp-xl);
    aspect-ratio: 16/9;
}
.article-body .article-hero-img img { width: 100%; height: 100%; object-fit: cover; }
.article-body h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--sp-xxl) 0 var(--sp-md);
    line-height: 1.35;
}
.article-body h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--sp-xl) 0 var(--sp-sm);
}
.article-body p { font-size: 15px; line-height: 1.7; color: var(--color-body); margin-bottom: var(--sp-lg); }
.article-body ul, .article-body ol {
    margin: 0 0 var(--sp-lg) var(--sp-xl);
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-body);
}
.article-body li { margin-bottom: var(--sp-xs); }
.article-body .inline-img {
    border-radius: var(--rounded-md);
    overflow: hidden;
    margin: var(--sp-xl) 0;
}
.article-body .inline-img img { width: 100%; }
.article-body .caption {
    font-size: 13px;
    color: var(--color-muted);
    font-weight: 500;
    letter-spacing: 0.01em;
    margin-top: var(--sp-xs);
}
.article-body .external-link::after { content: " ↗"; font-size: 12px; }

.article-sidebar { position: sticky; top: 80px; }
.sidebar-card {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--sp-lg);
    margin-bottom: var(--sp-lg);
    border: 1px solid var(--color-hairline);
}
.sidebar-card h3 { font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--sp-md); }
.sidebar-card ul { list-style: none; }
.sidebar-card ul li { margin-bottom: var(--sp-sm); }
.sidebar-card ul li a { font-size: 14px; color: var(--color-body); }
.sidebar-card ul li a:hover { color: var(--color-ink); }

/* ── CONTACT FORM ── */
.contact-form { max-width: 480px; }
.form-group { margin-bottom: var(--sp-lg); }
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: var(--sp-xs);
}
.form-group input, .form-group textarea {
    width: 100%;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-base);
    font-size: 14px;
    padding: 12px 16px;
    border-radius: var(--rounded-sm);
    border: 1px solid var(--color-hairline);
    height: 44px;
    outline: none;
}
.form-group textarea { height: auto; min-height: 100px; resize: vertical; }
.form-group input:focus, .form-group textarea:focus { border-color: #458fff; }

/* ── PAGE SECTIONS (about, privacy, terms) ── */
.page-hero {
    padding: var(--sp-sec) 0 var(--sp-xxl);
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
}
.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    color: var(--color-ink);
    line-height: 1.2;
    margin-bottom: var(--sp-md);
}
.page-hero p { font-size: 16px; color: var(--color-body); max-width: 560px; }
.page-content { padding: var(--sp-sec) 0; }
.page-content h2 {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-ink);
    margin: var(--sp-xxl) 0 var(--sp-md);
}
.page-content h3 { font-size: 18px; font-weight: 500; color: var(--color-ink); margin: var(--sp-xl) 0 var(--sp-sm); }
.page-content p { font-size: 15px; line-height: 1.7; margin-bottom: var(--sp-lg); }
.page-content ul { margin: 0 0 var(--sp-lg) var(--sp-xl); font-size: 15px; line-height: 1.7; }
.page-content li { margin-bottom: var(--sp-xs); }

/* ── COOKIE BANNER ── */
#cookieBanner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface-dark);
    color: var(--color-on-primary);
    padding: var(--sp-lg) var(--sp-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-xl);
    z-index: 500;
    border-top: 1px solid rgba(255,255,255,0.08);
}
#cookieBanner p { font-size: 14px; color: rgba(255,255,255,0.8); line-height: 1.5; max-width: 700px; }
#cookieBanner p a { color: rgba(255,255,255,0.9); text-decoration: underline; }
.cookie-btns { display: flex; gap: var(--sp-sm); flex-shrink: 0; }
.btn-legal {
    background: var(--color-link);
    color: var(--color-on-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 12px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    line-height: 1.2;
}
.btn-legal-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 12px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.25);
    cursor: pointer;
    line-height: 1.2;
}
.btn-legal:hover { opacity: 0.9; }
.btn-legal-reject:hover { border-color: rgba(255,255,255,0.5); color: white; }

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

/* ── BREADCRUMB ── */
.breadcrumb {
    padding: var(--sp-lg) 0;
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    gap: var(--sp-xs);
    align-items: center;
}
.breadcrumb a { color: var(--color-muted); }
.breadcrumb span { color: var(--color-body); }

/* ── FOOTER ── */
.site-footer {
    background: var(--color-canvas);
    border-top: 1px solid var(--color-hairline);
    padding: var(--sp-sec) 0 var(--sp-xl);
}
.footer-inner {}
.footer-cols {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-xxl);
    margin-bottom: var(--sp-xxl);
}
.footer-brand { display: block; font-size: 16px; font-weight: 600; color: var(--color-ink); margin-bottom: var(--sp-md); }
.footer-col > strong { display: block; font-size: 14px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--sp-md); }
.footer-col p { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-bottom: var(--sp-md); }
.footer-address { font-style: normal; font-size: 13px; color: var(--color-muted); line-height: 1.7; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: var(--sp-sm); }
.footer-col ul li a { font-size: 14px; color: var(--color-muted); }
.footer-col ul li a:hover { color: var(--color-ink); text-decoration: none; }
.footer-bottom {
    padding-top: var(--sp-xl);
    border-top: 1px solid var(--color-hairline);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-muted);
    flex-wrap: wrap;
    gap: var(--sp-md);
}
.footer-legal a { color: var(--color-muted); margin: 0 var(--sp-xs); }
.footer-legal a:hover { color: var(--color-ink); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-cols { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .sig-coral-card { grid-template-columns: 1fr; }
    .cream-callout { grid-template-columns: 1fr; }
    .hero-band .container { grid-template-columns: 1fr; }
    .hero-img { display: none; }
}
@media (max-width: 768px) {
    .container { padding: 0 var(--sp-lg); }
    .card-grid { grid-template-columns: 1fr; }
    .demo-grid { grid-template-columns: 1fr; }
    .footer-cols { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .site-nav { display: none; position: fixed; top: 64px; left: 0; right: 0; bottom: 0; background: var(--color-canvas); flex-direction: column; padding: var(--sp-xl); border-top: 1px solid var(--color-hairline); overflow-y: auto; }
    .site-nav.open { display: flex; }
    .site-nav ul { flex-direction: column; gap: var(--sp-md); }
    .sub-menu { position: static; border: none; padding: var(--sp-xs) 0 0 var(--sp-lg); display: flex; flex-direction: column; }
    .has-sub .sub-menu { display: flex; }
    .nav-toggle { display: flex; }
    #cookieBanner { flex-direction: column; align-items: flex-start; }
    .hero-band { padding: var(--sp-xxl) 0; }
    .section { padding: var(--sp-xxl) 0; }
    .sig-coral-card { padding: var(--sp-xl); }
    .hero-card-dark { padding: var(--sp-xl); }
    .cream-callout { padding: var(--sp-xl); }
    .article-body h1 { font-size: 28px; }
    .page-hero h1 { font-size: 28px; }
    .section-header h2 { font-size: 24px; }
}