@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Inter+Display:wght@400;500&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;
    --color-success: #006400;
    --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;
    --max-width: 1280px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-body);
    background: var(--color-canvas);
}

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

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

h1 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 40px; font-weight: 400; line-height: 1.2; color: var(--color-ink); }
h2 { font-family: 'Inter Display', 'Inter', sans-serif; font-size: 32px; font-weight: 400; line-height: 1.2; color: var(--color-ink); }
h3 { font-size: 24px; font-weight: 400; line-height: 1.35; color: var(--color-ink); letter-spacing: 0.12px; }
h4 { font-size: 18px; font-weight: 500; line-height: 1.4; color: var(--color-ink); }
p { font-size: 14px; line-height: 1.6; color: var(--color-body); }

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

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.logo-leaf { color: var(--color-success); font-size: 20px; }

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
    transition: opacity 0.2s;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    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-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 16px;
    font-weight: 500;
    line-height: 1.4;
    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: var(--color-ink); text-decoration: none; color: var(--color-ink); }

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

.hero-band .container { max-width: 720px; padding-left: var(--spacing-xxl); padding-right: var(--spacing-xxl); margin: 0 auto; }

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

.hero-band h1 { margin-bottom: var(--spacing-lg); }
.hero-band p { font-size: 16px; line-height: 1.6; margin-bottom: var(--spacing-xl); max-width: 560px; }
.hero-actions { display: flex; gap: var(--spacing-md); flex-wrap: wrap; }

.section-band { padding: var(--spacing-section) 0; }
.section-band-cream { padding: var(--spacing-section) 0; background: var(--color-signature-cream); }
.section-band-soft { padding: var(--spacing-section) 0; background: var(--color-surface-soft); }
.section-band-dark { padding: var(--spacing-section) 0; background: var(--color-surface-dark); }

.section-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-muted);
    letter-spacing: 0.16px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.section-band h2 { margin-bottom: var(--spacing-md); }
.section-band-dark h2 { color: var(--color-on-primary); }
.section-band-dark p { color: rgba(255,255,255,0.75); }

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

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

.article-card-img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.article-card-body { padding: var(--spacing-md); }

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

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

.article-card-title a { color: inherit; text-decoration: none; }
.article-card-title a:hover { text-decoration: underline; }

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

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

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

.signature-coral-card h2 { color: var(--color-on-primary); font-size: 32px; margin-bottom: var(--spacing-md); }
.signature-coral-card p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: var(--spacing-xl); }

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

.signature-forest-card h2 { color: var(--color-on-primary); font-size: 32px; margin-bottom: var(--spacing-md); }
.signature-forest-card p { color: rgba(255,255,255,0.80); font-size: 16px; margin-bottom: var(--spacing-xl); }

.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.demo-card {
    border-radius: var(--rounded-md);
    padding: var(--spacing-md);
    overflow: hidden;
}

.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-soft { background: var(--color-surface-soft); border: 1px solid var(--color-hairline); }

.demo-card h4 { font-size: 16px; font-weight: 500; color: var(--color-ink); margin-bottom: var(--spacing-xs); }
.demo-card p { font-size: 14px; color: var(--color-body); }
.demo-card img { border-radius: var(--rounded-sm); margin-bottom: var(--spacing-sm); width: 100%; aspect-ratio: 4/3; object-fit: cover; }

.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);
}

.cta-band-light h2 { font-size: 32px; max-width: 480px; }

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

.contact-form {
    max-width: 560px;
    margin: var(--spacing-xl) auto 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field label { font-size: 14px; font-weight: 500; color: var(--color-ink); }

.form-field input, .form-field textarea {
    height: 44px;
    padding: 12px 16px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    font-size: 14px;
    color: var(--color-ink);
    background: var(--color-canvas);
    font-family: inherit;
    outline: none;
    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 var(--spacing-xl); }
.article-hero .container { max-width: 800px; margin: 0 auto; }
.article-hero h1 { margin-bottom: var(--spacing-md); }
.article-hero .article-meta { font-size: 13px; color: var(--color-muted); margin-bottom: var(--spacing-xl); }
.article-hero-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--rounded-md); margin-bottom: var(--spacing-xl); }

.article-body { padding-bottom: var(--spacing-section); }
.article-body .container { max-width: 800px; margin: 0 auto; }
.article-body h2 { font-size: 28px; margin: var(--spacing-xxl) 0 var(--spacing-md); }
.article-body h3 { font-size: 20px; margin: var(--spacing-xl) 0 var(--spacing-sm); }
.article-body p { margin-bottom: var(--spacing-md); font-size: 15px; line-height: 1.7; }
.article-body ul, .article-body ol { margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-xl); }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { font-size: 15px; line-height: 1.7; color: var(--color-body); margin-bottom: 4px; }
.article-body a { color: var(--color-link); }
.article-body figure { margin: var(--spacing-xl) 0; }
.article-body figure img { border-radius: var(--rounded-md); width: 100%; }
.article-body figcaption { font-size: 13px; color: var(--color-muted); margin-top: var(--spacing-xs); }
.article-body blockquote { border-left: 3px solid var(--color-signature-coral); padding-left: var(--spacing-md); margin: var(--spacing-xl) 0; }
.article-body blockquote p { color: var(--color-ink); font-size: 16px; font-style: italic; }

.related-section { padding: var(--spacing-section) 0; background: var(--color-surface-soft); }
.related-section h2 { margin-bottom: var(--spacing-xl); }

.breadcrumb { font-size: 13px; color: var(--color-muted); margin-bottom: var(--spacing-lg); }
.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb span { margin: 0 6px; }

.page-hero { padding: var(--spacing-section) 0 var(--spacing-xl); }
.page-hero .container { max-width: 720px; margin: 0 auto; }
.page-hero h1 { margin-bottom: var(--spacing-md); }
.page-body { padding-bottom: var(--spacing-section); }
.page-body .container { max-width: 720px; margin: 0 auto; }
.page-body h2 { font-size: 24px; margin: var(--spacing-xxl) 0 var(--spacing-md); }
.page-body p { margin-bottom: var(--spacing-md); font-size: 15px; line-height: 1.7; }
.page-body ul { margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-xl); list-style: disc; }
.page-body li { font-size: 15px; line-height: 1.7; color: var(--color-body); margin-bottom: 4px; }
.page-body a { color: var(--color-link); }

.site-footer { background: var(--color-canvas); border-top: 1px solid var(--color-hairline); padding: var(--spacing-section) 0 var(--spacing-xl); }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-xxl); }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 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); display: flex; align-items: center; gap: 8px; }
.footer-desc { font-size: 14px; color: var(--color-muted); line-height: 1.6; margin-bottom: var(--spacing-md); max-width: 360px; }
.footer-contact { font-size: 13px; color: var(--color-muted); line-height: 1.8; }
.footer-contact a { color: var(--color-muted); }

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

.footer-col ul { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.footer-col ul a { font-size: 14px; color: var(--color-muted); text-decoration: none; }
.footer-col ul a:hover { color: var(--color-ink); }

.footer-bottom {
    border-top: 1px solid var(--color-hairline);
    padding-top: var(--spacing-lg);
    font-size: 13px;
    color: var(--color-muted);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-bottom a { color: var(--color-muted); }
.footer-disclaimer { font-size: 12px; color: var(--color-muted); }

.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;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.cookie-banner p { font-size: 13px; color: rgba(255,255,255,0.85); flex: 1; min-width: 200px; line-height: 1.5; }
.cookie-banner a { color: rgba(255,255,255,0.7); text-decoration: underline; }

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

.btn-cookie-accept {
    padding: 12px 10px;
    background: var(--color-link);
    color: var(--color-on-primary);
    font-size: 13.12px;
    font-weight: 600;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
    min-width: 90px;
}

.btn-cookie-reject {
    padding: 12px 10px;
    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);
    cursor: pointer;
    min-width: 90px;
}

.four-col-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--color-canvas);
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
}

.stat-card-num { font-size: 32px; font-weight: 400; color: var(--color-ink); line-height: 1; margin-bottom: var(--spacing-xs); }
.stat-card-label { font-size: 14px; color: var(--color-muted); }

.text-center { text-align: center; }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-xxl { margin-top: var(--spacing-xxl); }

@media (max-width: 1024px) {
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .four-col-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid .footer-col:first-child { grid-column: 1 / -1; }
}

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