@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;
  --rounded-pill: 9999px;
}

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

body {
  background-color: var(--canvas);
  color: var(--body);
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 400;
  -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; }

/* --- TOP NAV --- */
.top-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.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 { color: var(--ink); }
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.2s;
}

/* --- MOBILE NAV --- */
.mobile-nav {
  display: none;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 24px;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { list-style: none; }
.mobile-nav ul li { border-bottom: 1px solid var(--hairline-soft); }
.mobile-nav ul li a {
  display: block;
  padding: 12px 0;
  font-size: 15px;
  font-weight: 500;
  color: var(--body-strong);
}

/* --- HERO --- */
.hero {
  background: var(--canvas);
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--hairline);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--rounded-pill);
  padding: 4px 10px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 24px;
}
.hero-image {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.hero-image img { width: 100%; height: 340px; object-fit: cover; }

/* --- SECTIONS --- */
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;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}
.section-desc {
  font-size: 16px;
  color: var(--body);
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 48px;
}

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

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

.article-card { padding: 0; overflow: hidden; }
.article-card-img { height: 200px; overflow: hidden; }
.article-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.article-card:hover .article-card-img img { transform: scale(1.03); }
.article-card-body { padding: 24px; }
.article-card-category {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}
.article-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
  margin-bottom: 10px;
}
.article-card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 16px;
}
.article-card-date { font-size: 13px; color: var(--muted); }

/* --- ARTICLE READ LINK --- */
.read-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
  transition: color 0.15s, border-color 0.15s;
}
.read-link:hover { color: var(--primary); border-color: var(--primary); }

/* --- FEATURE BLOCK --- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-block.reverse { direction: rtl; }
.feature-block.reverse > * { direction: ltr; }
.feature-block-img {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.feature-block-img img { width: 100%; height: 300px; object-fit: cover; }
.feature-block-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-bottom: 16px;
  line-height: 1.25;
}
.feature-block-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 16px;
}
.feature-list { list-style: none; margin-top: 16px; }
.feature-list li {
  font-size: 15px;
  color: var(--body);
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline-soft);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 7px;
  flex-shrink: 0;
}

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

/* --- ARTICLE PAGE --- */
.article-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.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(--ink); }
.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.9px;
  line-height: 1.15;
  color: var(--ink);
  max-width: 740px;
  margin-bottom: 20px;
}
.article-header .article-meta {
  display: flex;
  gap: 20px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.article-content {
  padding: 64px 0;
  max-width: 740px;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 48px 0 16px;
  line-height: 1.25;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 12px;
  line-height: 1.35;
}
.article-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 20px;
}
.article-content ul, .article-content ol {
  margin: 16px 0 20px 24px;
}
.article-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 8px;
}
.article-content figure {
  margin: 36px 0;
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
}
.article-content figure img { width: 100%; height: 400px; object-fit: cover; }
.article-content figcaption {
  padding: 10px 16px;
  font-size: 13px;
  color: var(--muted);
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline-soft);
}
.article-content .tip-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: 28px 0;
}
.article-content .tip-box p { margin-bottom: 0; }

/* --- RELATED ARTICLES --- */
.related-section { padding: 64px 0; border-top: 1px solid var(--hairline); }

/* --- FORM --- */
.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: 8px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
}
.form-group textarea { height: auto; min-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); }
.field-error {
  font-size: 12px;
  color: var(--semantic-error);
  margin-top: 4px;
  display: none;
}
.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--rounded-md);
  padding: 10px 18px;
  height: 40px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-success {
  display: none;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--semantic-success);
  border-radius: var(--rounded-md);
  padding: 20px 24px;
  font-size: 15px;
  color: var(--body-strong);
  margin-top: 20px;
}

/* --- COOKIE BANNER --- */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 720px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--rounded-lg);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}
.cookie-text { font-size: 14px; line-height: 1.5; color: var(--canvas); }
.cookie-text a { color: var(--canvas); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: var(--rounded-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.btn-cookie-accept:hover { background: var(--primary-active); }
.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--rounded-md);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s;
}
.btn-cookie-reject:hover { border-color: rgba(247,247,244,0.6); }

/* --- 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 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.footer-brand-name span { color: var(--primary); }
.footer-brand-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 14px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}
.footer-col ul li a:hover { color: var(--ink); }
.footer-bottom {
  border-top: 1px solid var(--hairline-soft);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

/* --- PAGE HEADER (about/privacy/terms) --- */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.9px;
  color: var(--ink);
  margin-bottom: 16px;
}
.page-header p { font-size: 16px; color: var(--body); max-width: 560px; }

.page-content {
  padding: 64px 0;
  max-width: 740px;
}
.page-content h2 {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin: 40px 0 14px;
}
.page-content p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 18px;
}
.page-content ul {
  margin: 12px 0 18px 22px;
}
.page-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 8px;
}

/* --- BAND (zebra) --- */
.band-soft { background: var(--canvas-soft); }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 38px; letter-spacing: -0.8px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.5px; }
  .hero-image { display: none; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .feature-block { grid-template-columns: 1fr; gap: 32px; }
  .feature-block.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .section-title { font-size: 28px; }
  .cookie-banner { flex-direction: column; align-items: flex-start; bottom: 12px; }
  .contact-form { padding: 24px; }
  .article-header h1 { font-size: 30px; }
  .article-content h2 { font-size: 22px; }
}

@media (max-width: 480px) {
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
}