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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --canvas: #f7f7f4;
    --canvas-soft: #fafaf7;
    --surface-card: #ffffff;
    --surface-strong: #e6e5e0;
    --primary: #f54e00;
    --primary-active: #d04200;
    --on-primary: #ffffff;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --semantic-success: #1f8a65;
    --semantic-error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background: var(--canvas);
    color: var(--body);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--primary); }

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

code, pre { font-family: 'JetBrains Mono', monospace; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Top Navigation */
.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-nav .container {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-wordmark {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
}
.nav-wordmark span { color: var(--primary); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}
.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--body);
    line-height: 1.4;
    transition: color 0.15s;
}
.nav-links a:hover { color: var(--ink); }
.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(--ink);
    border-radius: 2px;
}
.nav-mobile {
    display: none;
    flex-direction: column;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
    gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
    font-size: 15px;
    font-weight: 500;
    color: var(--body);
    padding: 10px 0;
    border-bottom: 1px solid var(--hairline-soft);
}
.nav-mobile a:last-child { border-bottom: none; }

/* Hero */
.hero-band {
    padding: 80px 0;
    background: var(--canvas);
}
.hero-band h1 {
    font-size: 72px;
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: -2.16px;
    color: var(--ink);
    max-width: 800px;
    margin-bottom: 24px;
}
.hero-band .hero-sub {
    font-size: 16px;
    font-weight: 400;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.5;
}
.hero-meta {
    font-size: 13px;
    color: var(--muted);
    margin-top: 16px;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: var(--surface-card);
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 18px;
    height: 40px;
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline-strong);
    cursor: pointer;
    transition: border-color 0.15s;
    text-decoration: none;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

/* Section labels */
.section-label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

/* Feature grid */
.section-band { padding: 80px 0; }
.section-band + .section-band { border-top: 1px solid var(--hairline-soft); }

.section-head {
    font-size: 36px;
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.72px;
    color: var(--ink);
    margin-bottom: 16px;
}
.section-sub {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 48px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.feature-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
}
.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.4;
}
.feature-card p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
}
.feature-card .card-icon {
    width: 36px;
    height: 36px;
    background: var(--surface-strong);
    border-radius: var(--rounded-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 18px;
}

/* Article grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    transition: border-color 0.15s;
}
.article-card:hover { border-color: var(--hairline-strong); }
.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}
.article-card-body { padding: 20px; }
.article-card-body .tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 8px;
    display: block;
}
.article-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.35;
    letter-spacing: -0.11px;
}
.article-card-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    margin-bottom: 16px;
}
.article-card-body .read-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
}
.article-date {
    font-size: 13px;
    color: var(--muted);
    margin-top: 12px;
}

/* Article page */
.article-header { padding: 60px 0 40px; }
.article-header .breadcrumb {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 20px;
}
.article-header .breadcrumb a { color: var(--muted); }
.article-header .breadcrumb a:hover { color: var(--primary); }
.article-header h1 {
    font-size: 48px;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -1.2px;
    color: var(--ink);
    max-width: 800px;
    margin-bottom: 20px;
}
.article-header .article-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.article-cover {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: var(--rounded-lg);
    margin: 32px 0;
    border: 1px solid var(--hairline);
}
.article-body { max-width: 760px; }
.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    line-height: 1.25;
}
.article-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
}
.article-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 20px;
}
.article-body ul, .article-body ol {
    margin: 0 0 20px 24px;
}
.article-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-color: rgba(245, 78, 0, 0.3);
}
.article-body a:hover { text-decoration-color: var(--primary); }
.article-body .info-box {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-left: 3px solid var(--primary);
    border-radius: var(--rounded-md);
    padding: 20px 24px;
    margin: 32px 0;
}
.article-body .info-box p { margin-bottom: 0; font-size: 15px; }
.article-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
    padding: 0 0 80px;
    align-items: start;
}
.article-sidebar .sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 16px;
}
.article-sidebar .sidebar-card h4 {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.article-sidebar .sidebar-card ul { list-style: none; margin: 0; padding: 0; }
.article-sidebar .sidebar-card ul li {
    border-bottom: 1px solid var(--hairline-soft);
    padding: 10px 0;
}
.article-sidebar .sidebar-card ul li:last-child { border-bottom: none; padding-bottom: 0; }
.article-sidebar .sidebar-card ul li a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.4;
}
.article-sidebar .sidebar-card ul li a:hover { color: var(--primary); }

/* Data table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
    font-size: 14px;
}
.data-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    padding: 10px 16px;
    border-bottom: 1px solid var(--hairline);
    background: var(--canvas-soft);
}
.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--hairline-soft);
    color: var(--body);
    vertical-align: top;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--canvas-soft); }

/* Contact form */
.form-section { padding: 80px 0; background: var(--canvas-soft); border-top: 1px solid var(--hairline); }
.form-card {
    max-width: 600px;
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 40px;
}
.form-group { margin-bottom: 20px; }
.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(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-md);
    padding: 12px 16px;
    height: 44px;
    font-size: 16px;
    color: var(--ink);
    font-family: inherit;
    transition: border-color 0.15s;
    outline: none;
}
.form-group textarea { height: 120px; resize: vertical; }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--ink); }
.form-group input.error,
.form-group textarea.error { border-color: var(--semantic-error); }
.form-error { font-size: 12px; color: var(--semantic-error); margin-top: 4px; display: none; }
.form-success {
    display: none;
    background: rgba(31, 138, 101, 0.08);
    border: 1px solid var(--semantic-success);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 15px;
    color: var(--semantic-success);
    margin-top: 16px;
}
.form-loading { display: none; }

/* Footer */
.site-footer {
    background: var(--canvas);
    border-top: 1px solid var(--hairline);
    padding: 64px 0 48px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 48px;
}
.footer-brand .wordmark {
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 12px;
}
.footer-brand .wordmark span { color: var(--primary); }
.footer-brand p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    max-width: 260px;
}
.footer-col h5 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--body); }

/* Page header (inner pages) */
.page-header {
    padding: 60px 0 48px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 64px;
}
.page-header h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.2px;
    color: var(--ink);
    line-height: 1.15;
    margin-bottom: 16px;
}
.page-header p {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
}
.page-updated {
    font-size: 13px;
    color: var(--muted);
    margin-top: 12px;
}

/* Content page body */
.content-body { max-width: 760px; padding-bottom: 80px; }
.content-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
    line-height: 1.25;
}
.content-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin: 28px 0 10px;
}
.content-body p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 18px;
}
.content-body ul, .content-body ol {
    margin: 0 0 18px 24px;
}
.content-body li {
    font-size: 16px;
    color: var(--body);
    line-height: 1.65;
    margin-bottom: 6px;
}
.content-body a { color: var(--primary); }

/* About team grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin: 32px 0;
}
.team-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
}
.team-card h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 4px; }
.team-card span { font-size: 13px; color: var(--muted); display: block; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--body); line-height: 1.5; margin: 0; }

/* Cookie banner */
#cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ink);
    color: var(--canvas);
    padding: 20px 24px;
    z-index: 1000;
    display: none;
}
#cookie-banner.visible { display: block; }
.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
#cookie-banner p { font-size: 14px; color: var(--canvas); flex: 1; line-height: 1.5; }
#cookie-banner a { color: var(--primary); }
.cookie-actions { display: flex; gap: 10px; }
.btn-cookie-accept {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    padding: 9px 18px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}
.btn-cookie-reject {
    background: transparent;
    color: var(--canvas);
    border: 1px solid rgba(247,247,244,0.3);
    padding: 9px 18px;
    border-radius: var(--rounded-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
}

/* Badges / tags */
.badge {
    display: inline-block;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    border-radius: 9999px;
    padding: 4px 10px;
}

/* Utility */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.text-muted { color: var(--muted); }
.divider { border: none; border-top: 1px solid var(--hairline); margin: 48px 0; }

/* Responsive */
@media (max-width: 1024px) {
    .hero-band h1 { font-size: 56px; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .hero-band h1 { font-size: 38px; letter-spacing: -1px; }
    .section-head { font-size: 28px; }
    .feature-grid { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .page-header h1 { font-size: 36px; }
    .article-header h1 { font-size: 32px; letter-spacing: -0.5px; }
    .team-grid { grid-template-columns: 1fr; }
    .form-card { padding: 24px; }
}

@media (max-width: 480px) {
    .hero-band h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr; }
    .cookie-inner { flex-direction: column; align-items: flex-start; }
}