@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;
    --ink: #26251e;
    --body: #5a5852;
    --body-strong: #26251e;
    --muted: #807d72;
    --muted-soft: #a09c92;
    --on-primary: #ffffff;
    --hairline: #e6e5e0;
    --hairline-soft: #efeee8;
    --hairline-strong: #cfcdc4;
    --success: #1f8a65;
    --error: #cf2d56;
    --rounded-xs: 4px;
    --rounded-sm: 6px;
    --rounded-md: 8px;
    --rounded-lg: 12px;
    --rounded-xl: 16px;
    --rounded-pill: 9999px;
}

html { scroll-behavior: smooth; }

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

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

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

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

/* ── NAV ── */
.site-nav {
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-nav .container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: -0.3px;
    white-space: nowrap;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
    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,
.nav-links a.active { color: var(--ink); }

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

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

.nav-mobile {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
}

.nav-mobile.open { display: block; }

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.nav-mobile ul a {
    font-size: 15px;
    font-weight: 500;
    color: var(--body);
}

/* ── 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 p {
    font-size: 16px;
    color: var(--body);
    max-width: 560px;
    margin-bottom: 32px;
}

.hero-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    background: var(--surface-strong);
    color: var(--ink);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    border-radius: var(--rounded-pill);
    padding: 4px 10px;
}

/* ── CARDS GRID ── */
.section {
    padding: 80px 0;
}

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

.section-title {
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.72px;
    line-height: 1.2;
    color: var(--ink);
    margin-bottom: 48px;
}

.section-title-sm {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    line-height: 1.25;
    color: var(--ink);
    margin-bottom: 32px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 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: 8px;
    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;
    margin-bottom: 16px;
    color: var(--primary);
}

/* ── ARTICLE CARD ── */
.article-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.article-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-body h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
    line-height: 1.4;
}

.article-card-body p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    flex: 1;
    margin-bottom: 16px;
}

.article-card-meta {
    font-size: 13px;
    color: var(--muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.read-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    margin-top: 12px;
    transition: color 0.15s;
}

.read-link:hover { color: var(--primary-active); }

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

/* ── ARTICLE PAGE ── */
.article-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 64px;
}

.article-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.5px;
    line-height: 1.15;
    color: var(--ink);
    max-width: 760px;
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--muted);
    flex-wrap: wrap;
}

.article-content {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 64px;
    max-width: 1100px;
    margin: 0 auto;
}

.article-body {
    max-width: 680px;
}

.article-body h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
}

.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: 1.6;
    margin-bottom: 20px;
}

.article-body ul, .article-body ol {
    margin: 0 0 20px 20px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.6;
}

.article-body li { margin-bottom: 6px; }

.article-body img {
    border-radius: var(--rounded-lg);
    margin: 32px 0;
    border: 1px solid var(--hairline);
}

.article-body .img-caption {
    font-size: 13px;
    color: var(--muted);
    margin-top: -24px;
    margin-bottom: 32px;
}

.code-block {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--ink);
    overflow-x: auto;
    margin-bottom: 24px;
    line-height: 1.5;
}

.article-sidebar {
    position: sticky;
    top: 88px;
    align-self: start;
}

.sidebar-card {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 24px;
    margin-bottom: 16px;
}

.sidebar-card h4 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.88px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 16px;
}

.sidebar-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-card ul a {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    display: block;
    padding: 4px 0;
    border-bottom: 1px solid var(--hairline-soft);
}

.sidebar-card ul a:hover { color: var(--ink); }

.sidebar-card ul li:last-child a { border-bottom: none; }

/* ── FORM ── */
.form-section {
    padding: 80px 0;
    background: var(--canvas-soft);
    border-top: 1px solid var(--hairline);
}

.contact-form {
    background: var(--surface-card);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-lg);
    padding: 40px;
    max-width: 600px;
}

.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;
    font-family: inherit;
    color: var(--ink);
    outline: none;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--ink);
}

.form-group input.error,
.form-group textarea.error {
    border-color: var(--error);
}

.form-group textarea {
    height: auto;
    min-height: 120px;
    resize: vertical;
}

.form-error {
    font-size: 13px;
    color: var(--error);
    margin-top: 4px;
    display: none;
}

.form-error.visible { display: block; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    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;
    font-family: inherit;
}

.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.form-success {
    display: none;
    background: #f0faf6;
    border: 1px solid #9ed8c0;
    border-radius: var(--rounded-md);
    padding: 16px;
    color: var(--success);
    font-size: 15px;
    margin-top: 16px;
}

.form-success.visible { display: block; }

/* ── 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: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.6;
    margin-top: 12px;
    max-width: 240px;
}

.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;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-col ul a {
    font-size: 14px;
    color: var(--body);
    transition: color 0.15s;
}

.footer-col ul a:hover { color: var(--ink); }

.footer-bottom {
    border-top: 1px solid var(--hairline);
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--muted);
}

/* ── COOKIE BANNER ── */
#cookie-banner {
    position: fixed;
    bottom: 24px;
    left: 24px;
    right: 24px;
    max-width: 560px;
    background: var(--surface-card);
    border: 1px solid var(--hairline-strong);
    border-radius: var(--rounded-lg);
    padding: 20px 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    z-index: 999;
    box-shadow: 0 4px 24px rgba(38,37,30,0.08);
}

#cookie-banner.hidden { display: none; }

#cookie-banner p {
    font-size: 14px;
    color: var(--body);
    line-height: 1.5;
    flex: 1;
}

#cookie-banner a {
    color: var(--ink);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
    align-items: center;
}

.btn-cookie-accept {
    background: var(--ink);
    color: var(--canvas);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--rounded-md);
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.15s;
}

.btn-cookie-accept:hover { opacity: 0.85; }

.btn-cookie-reject {
    background: none;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    padding: 8px 10px;
    border-radius: var(--rounded-md);
    border: 1px solid var(--hairline);
    cursor: pointer;
    font-family: inherit;
    transition: color 0.15s;
}

.btn-cookie-reject:hover { color: var(--ink); }

/* ── PAGE HERO (inner pages) ── */
.page-hero {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 64px;
}

.page-hero h1 {
    font-size: 48px;
    font-weight: 400;
    letter-spacing: -1.5px;
    line-height: 1.15;
    color: var(--ink);
    margin-bottom: 16px;
}

.page-hero p {
    font-size: 16px;
    color: var(--body);
    max-width: 600px;
}

/* ── PROSE (about/privacy/terms) ── */
.prose {
    max-width: 720px;
    padding-bottom: 80px;
}

.prose h2 {
    font-size: 26px;
    font-weight: 400;
    letter-spacing: -0.325px;
    color: var(--ink);
    margin: 48px 0 16px;
}

.prose h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    margin: 32px 0 12px;
}

.prose p {
    font-size: 16px;
    color: var(--body);
    line-height: 1.6;
    margin-bottom: 20px;
}

.prose ul, .prose ol {
    margin: 0 0 20px 20px;
    color: var(--body);
    font-size: 16px;
    line-height: 1.6;
}

.prose li { margin-bottom: 6px; }

.prose a {
    color: var(--ink);
    text-decoration: underline;
}

.prose .updated {
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 40px;
}

/* ── HIGHLIGHT BOX ── */
.highlight-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;
}

.highlight-box p {
    font-size: 15px;
    color: var(--body);
    margin: 0;
}

/* ── BREADCRUMB ── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--muted-soft); }

/* ── DISCLAIMER ── */
.disclaimer {
    background: var(--canvas-soft);
    border: 1px solid var(--hairline);
    border-radius: var(--rounded-md);
    padding: 16px 20px;
    font-size: 13px;
    color: var(--muted);
    margin: 48px 0;
    line-height: 1.5;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
    .hero-band h1 { font-size: 56px; letter-spacing: -1.5px; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .article-content { grid-template-columns: 1fr; gap: 40px; }
    .article-sidebar { position: static; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .hero-band h1 { font-size: 36px; letter-spacing: -1px; }
    .section-title { font-size: 28px; }
    .article-hero h1 { font-size: 32px; letter-spacing: -0.5px; }
    .page-hero h1 { font-size: 32px; }
    .cards-grid { grid-template-columns: 1fr; }
    .cards-grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    #cookie-banner { flex-direction: column; bottom: 0; left: 0; right: 0; border-radius: 0; max-width: 100%; }
    .contact-form { padding: 24px; }
}

@media (max-width: 640px) {
    .hero-band { padding: 48px 0; }
    .section { padding: 48px 0; }
    .hero-band h1 { font-size: 32px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}