@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&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-ink: #181d26;
    --color-body: #333840;
    --color-muted: #41454d;
    --color-hairline: #dddddd;
    --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;
    --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: 1.6;
    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; }

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

/* TOP NAV */
.site-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;
}

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

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-ink);
    text-decoration: none;
    letter-spacing: -0.3px;
}

.nav-logo span { color: var(--color-signature-coral); }

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
    padding: 4px 0;
}

.nav-links a:hover { color: var(--color-signature-coral); text-decoration: none; }

.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-ink);
    border-radius: 2px;
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-canvas);
    z-index: 200;
    flex-direction: column;
    padding: var(--spacing-xxl) var(--spacing-xxl);
}

.mobile-menu.open { display: flex; }

.mobile-menu-close {
    align-self: flex-end;
    font-size: 28px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-ink);
    margin-bottom: var(--spacing-xl);
}

.mobile-menu nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.mobile-menu nav ul a {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-ink);
    text-decoration: none;
}

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

.hero-band .container { max-width: 820px; }

.hero-eyebrow {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.hero-band h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.5px;
}

.hero-band p {
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-body);
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

/* BUTTONS */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: var(--color-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;
}

.btn-primary:hover { background: var(--color-primary-active); text-decoration: none; color: var(--color-on-primary); }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    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);
    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); }

/* SECTION BANDS */
.section-band {
    padding: var(--spacing-section) 0;
}

.section-band--soft { background: var(--color-surface-soft); }
.section-band--cream { background: var(--color-signature-cream); }
.section-band--dark { background: var(--color-surface-dark); color: var(--color-on-primary); }
.section-band--coral { background: var(--color-signature-coral); color: var(--color-on-primary); }
.section-band--strong { background: var(--color-surface-strong); }

.section-label {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.section-band--dark .section-label,
.section-band--coral .section-label { color: rgba(255,255,255,0.6); }

.section-title {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.3px;
}

.section-band--dark .section-title,
.section-band--coral .section-title { color: var(--color-on-primary); }

.section-body {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-body);
    max-width: 640px;
}

.section-band--dark .section-body { color: rgba(255,255,255,0.8); }
.section-band--coral .section-body { color: rgba(255,255,255,0.85); }

/* ARTICLE CARDS GRID */
.articles-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);
    transition: border-color 0.15s;
}

.article-card:hover { border-color: #aaa; }

.article-card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

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

.article-card-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-signature-coral);
    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 { color: var(--color-signature-coral); }

.article-card-excerpt {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.article-card-meta {
    font-size: 12px;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* DEMO-GRID CARDS */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

.feature-card--peach { background: var(--color-signature-peach); border-color: transparent; }
.feature-card--mint { background: var(--color-signature-mint); border-color: transparent; }
.feature-card--cream { background: var(--color-signature-cream); border-color: transparent; }

.feature-card-icon {
    font-size: 28px;
    margin-bottom: var(--spacing-md);
}

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

.feature-card-text {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-body);
}

/* IMAGE + TEXT SPLIT */
.split-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.split-row.reverse { direction: rtl; }
.split-row.reverse > * { direction: ltr; }

.split-img {
    border-radius: var(--rounded-md);
    overflow: hidden;
    height: 360px;
}

.split-img img { width: 100%; height: 100%; object-fit: cover; }

/* SIGNATURE CARD */
.signature-card {
    border-radius: var(--rounded-lg);
    padding: var(--spacing-xxl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.signature-card--coral { background: var(--color-signature-coral); }
.signature-card--forest { background: var(--color-signature-forest); }
.signature-card--dark { background: var(--color-surface-dark); }

.signature-card h2 {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-on-primary);
    margin-bottom: var(--spacing-lg);
}

.signature-card p {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin-bottom: var(--spacing-xl);
}

.signature-card-img img {
    border-radius: var(--rounded-md);
    width: 100%;
    height: 280px;
    object-fit: cover;
}

/* STAT ROW */
.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

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

.stat-number {
    font-size: 36px;
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1.1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 13px;
    color: var(--color-muted);
}

/* CTA BAND LIGHT */
.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: 24px;
    font-weight: 400;
    color: var(--color-ink);
}

/* CONTACT FORM */
.contact-form {
    display: grid;
    gap: var(--spacing-md);
    max-width: 560px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink);
}

.form-group input,
.form-group textarea {
    background: var(--color-canvas);
    color: var(--color-ink);
    font-size: 14px;
    font-family: inherit;
    padding: 12px 16px;
    border: 1px solid var(--color-hairline);
    border-radius: var(--rounded-sm);
    height: 44px;
    width: 100%;
    outline: none;
    transition: border-color 0.15s;
}

.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { border-color: #458fff; }

/* BREADCRUMB */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-lg);
}

.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-link); }
.breadcrumb span { color: var(--color-ink); font-weight: 500; }

/* ARTICLE PAGE */
.article-hero { padding: 64px 0 var(--spacing-xxl); }

.article-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-lg);
    max-width: 760px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-xl);
}

.article-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: var(--color-signature-coral);
    background: rgba(170,45,0,0.08);
    padding: 3px 8px;
    border-radius: var(--rounded-xs);
}

.article-cover {
    width: 100%;
    height: 460px;
    object-fit: cover;
    border-radius: var(--rounded-md);
    margin-bottom: var(--spacing-section);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 56px;
    align-items: start;
}

.article-content { max-width: 700px; }

.article-content h2 {
    font-size: 24px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-xxl) 0 var(--spacing-md);
}

.article-content h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-ink);
    margin: var(--spacing-xl) 0 var(--spacing-sm);
}

.article-content p {
    font-size: 15px;
    line-height: 1.75;
    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: 15px;
    line-height: 1.75;
    color: var(--color-body);
    margin-bottom: 6px;
}

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

.article-sidebar {
    position: sticky;
    top: 80px;
}

.sidebar-card {
    background: var(--color-surface-soft);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-hairline);
}

.sidebar-card-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

.sidebar-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.sidebar-card ul a { font-size: 13px; 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-section);
}

.footer-brand p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-muted);
    margin-top: var(--spacing-sm);
    max-width: 260px;
}

.footer-col-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a { font-size: 13px; 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);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.footer-bottom p { font-size: 12px; color: var(--color-muted); }
.footer-bottom a { font-size: 12px; color: var(--color-muted); text-decoration: none; }
.footer-bottom 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);
    padding: var(--spacing-lg) var(--spacing-xxl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    z-index: 999;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.cookie-banner p { font-size: 13px; line-height: 1.5; max-width: 680px; }
.cookie-banner a { color: #8ab4f8; }

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

.btn-cookie-accept {
    background: var(--color-link);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--rounded-xs);
    border: none;
    cursor: pointer;
}

.btn-cookie-reject {
    background: transparent;
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    font-weight: 600;
    padding: 10px 16px;
    border-radius: var(--rounded-xs);
    border: 1px solid rgba(255,255,255,0.3);
    cursor: pointer;
}

/* PAGE GENERIC */
.page-hero {
    padding: 64px 0 var(--spacing-xxl);
    border-bottom: 1px solid var(--color-hairline);
    margin-bottom: var(--spacing-section);
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-ink);
    margin-bottom: var(--spacing-md);
}

.page-hero p { font-size: 16px; color: var(--color-muted); max-width: 560px; }

.page-content { padding-bottom: var(--spacing-section); }
.page-content h2 { font-size: 22px; font-weight: 500; color: var(--color-ink); margin: var(--spacing-xxl) 0 var(--spacing-md); }
.page-content h3 { font-size: 17px; font-weight: 500; color: var(--color-ink); margin: var(--spacing-xl) 0 var(--spacing-sm); }
.page-content p { font-size: 14px; line-height: 1.75; color: var(--color-body); margin-bottom: var(--spacing-md); max-width: 720px; }
.page-content ul { padding-left: 20px; margin-bottom: var(--spacing-md); }
.page-content li { font-size: 14px; line-height: 1.75; color: var(--color-body); margin-bottom: 6px; }

/* DISCLAIMER BOX */
.disclaimer-box {
    background: var(--color-signature-cream);
    border-radius: var(--rounded-md);
    padding: var(--spacing-lg);
    font-size: 13px;
    line-height: 1.6;
    color: var(--color-body);
    margin-bottom: var(--spacing-xl);
    border-left: 3px solid var(--color-signature-coral);
}

/* TABLE */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: var(--spacing-xl);
}

.data-table th {
    background: var(--color-surface-soft);
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    color: var(--color-ink);
    border-bottom: 1px solid var(--color-hairline);
}

.data-table td {
    padding: 10px 14px;
    color: var(--color-body);
    border-bottom: 1px solid var(--color-hairline);
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:nth-child(even) td { background: var(--color-surface-soft); }

/* ABOUT GRID */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: 1fr 1fr; }
    .feature-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .signature-card { grid-template-columns: 1fr; }
    .split-row { grid-template-columns: 1fr; }
    .split-row.reverse { direction: ltr; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 var(--spacing-lg); }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band h1 { font-size: 28px; }
    .section-title { font-size: 24px; }
    .articles-grid { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr; }
    .cta-band-light { flex-direction: column; align-items: flex-start; }
    .cookie-banner { flex-direction: column; align-items: flex-start; }
    .article-hero h1 { font-size: 26px; }
    .article-cover { height: 260px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
}