@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;
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-pill: 9999px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: 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; }

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

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

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

.nav-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
}

.nav-brand 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 { 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;
  transition: 0.3s;
}

/* ── HERO ── */
.hero {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.hero-badge {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  max-width: 720px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 540px;
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ── SECTIONS ── */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
}

/* ── CARDS ── */
.card-grid { display: grid; gap: 20px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color 0.15s;
}

.card:hover { border-color: var(--hairline-strong); }

.card-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--surface-strong);
}

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

.card-meta {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}

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

.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--primary); }

.card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 16px;
}

.card-date {
  font-size: 13px;
  color: var(--muted);
}

/* ── ARTICLE ── */
.article-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 48px;
}

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

.article-header h1 {
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -1px;
  line-height: 1.15;
  color: var(--ink);
  max-width: 760px;
  margin-bottom: 16px;
}

.article-intro {
  font-size: 18px;
  color: var(--body);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 20px;
}

.article-updated {
  font-size: 13px;
  color: var(--muted);
}

.article-hero-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
  background: var(--surface-strong);
}

.article-hero-img img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.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;
  line-height: 1.3;
}

.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  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); }

.callout {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
}

.callout p { margin-bottom: 0; }

.callout-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
}

.info-table th {
  text-align: left;
  padding: 10px 16px;
  background: var(--canvas-soft);
  color: var(--ink);
  font-weight: 600;
  font-size: 13px;
  border-bottom: 1px solid var(--hairline);
}

.info-table td {
  padding: 10px 16px;
  color: var(--body);
  border-bottom: 1px solid var(--hairline-soft);
}

.info-table tr:last-child td { border-bottom: none; }

.inline-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: 32px 0;
  background: var(--surface-strong);
}

.inline-img img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}

.inline-img figcaption {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 16px;
  background: var(--surface-card);
  border-top: 1px solid var(--hairline-soft);
}

/* ── BREADCRUMB ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  padding: 16px 0;
  flex-wrap: wrap;
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

/* ── RELATED ── */
.related-section {
  padding: 48px 0;
  border-top: 1px solid var(--hairline);
  margin-top: 60px;
}

.related-title {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 24px;
}

/* ── CONTACT FORM ── */
.contact-section { padding: 80px 0; }

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

.form-wrap h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-wrap p {
  font-size: 14px;
  color: var(--body);
  margin-bottom: 28px;
}

.form-row { margin-bottom: 20px; }

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
}

.form-row textarea {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

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

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--muted-soft);
}

.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(--radius-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-primary:disabled { background: var(--muted-soft); cursor: not-allowed; }

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  display: none;
}

.form-message.success {
  background: #e8f5f0;
  color: var(--semantic-success);
  border: 1px solid #b8dfd3;
}

.form-message.error {
  background: #fdeef1;
  color: var(--semantic-error);
  border: 1px solid #f5c0cb;
}

/* ── COOKIE BANNER ── */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 24px;
  z-index: 999;
  display: none;
}

.cookie-banner.visible { display: flex; }

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  font-size: 14px;
  color: #ccc8be;
  min-width: 240px;
}

.cookie-text a { color: var(--canvas); text-decoration: underline; }

.cookie-actions { display: flex; gap: 10px; }

.btn-cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.3);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.6); }

/* ── 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;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-brand-name span { color: var(--primary); }

.footer-tagline {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 280px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--ink); }

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

.footer-copy {
  font-size: 13px;
  color: var(--muted);
}

.footer-legal {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-legal a {
  font-size: 13px;
  color: var(--muted);
}

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

/* ── PAGE HEADER ── */
.page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 48px;
}

.page-header h1 {
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
}

.page-updated {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

/* ── PROSE ── */
.prose h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 40px 0 12px;
}

.prose h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 10px;
}

.prose p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 18px;
}

.prose ul, .prose ol {
  padding-left: 24px;
  margin-bottom: 18px;
}

.prose li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 6px;
}

.prose a { color: var(--primary); }

/* ── UTILITY ── */
.divider {
  border: none;
  border-top: 1px solid var(--hairline-soft);
  margin: 40px 0;
}

.text-muted { color: var(--muted); }
.text-ink { color: var(--ink); }
.mt-0 { margin-top: 0; }
.mb-4 { margin-bottom: 4px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .article-header h1 { font-size: 30px; }
  .page-header h1 { font-size: 30px; }

  .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }
  .site-nav { position: relative; }

  .card-grid-2, .card-grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .form-wrap { padding: 24px 20px; }
  .article-hero-img img { height: 240px; }
}

@media (max-width: 640px) {
  .hero { padding: 48px 0; }
  .section { padding: 48px 0; }
  .cookie-inner { flex-direction: column; gap: 12px; }
  .cookie-actions { width: 100%; }
}