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

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

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

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

/* NAV */
.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
  flex-shrink: 0;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  gap: 24px;
  flex: 1;
}
.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-links a.active { color: var(--ink); }
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: all 0.2s;
}
.nav-mobile {
  display: none;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 24px;
}
.nav-mobile.open { display: block; }
.nav-mobile a {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--body);
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-soft);
}
.nav-mobile a:hover { color: var(--ink); }

/* HERO */
.hero {
  padding: 80px 0;
  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(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 48px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -1.2px;
  margin-bottom: 20px;
}
.hero h1 em { font-style: normal; color: var(--primary); }
.hero-desc {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  background: var(--surface-card);
}
.hero-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* SECTIONS */
section { padding: 80px 0; }
section + section { border-top: 1px solid var(--hairline); }

.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;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  max-width: 600px;
  margin-bottom: 48px;
}

/* CARDS */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.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 {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}
.card-tag {
  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(--radius-pill);
  padding: 3px 8px;
  margin-bottom: 12px;
}
.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 10px;
}
.card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 16px;
}
.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.card-link:hover { color: var(--primary-active); }
.card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
}

/* ARTICLE ARTICLE */
.article-hero {
  padding: 60px 0 0;
  border-bottom: 1px solid var(--hairline);
}
.article-hero img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-top: 40px;
}
.article-label-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.article-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--surface-strong);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
}
.article-date { font-size: 13px; color: var(--muted); }
.article-hero h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 800px;
}
.article-lead {
  font-size: 18px;
  color: var(--body);
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: 0;
}

.article-body { padding: 60px 0; }
.article-content { max-width: 760px; }
.article-content p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 24px; }
.article-content h2 { font-size: 26px; font-weight: 400; color: var(--ink); letter-spacing: -0.325px; line-height: 1.25; margin: 40px 0 16px; }
.article-content h3 { font-size: 20px; font-weight: 600; color: var(--ink); line-height: 1.4; margin: 28px 0 12px; }
.article-content ul, .article-content ol { margin-bottom: 24px; padding-left: 24px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-active); }

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.info-box p { margin-bottom: 0; }
.info-box strong { color: var(--ink); }

.article-sidebar { padding-top: 8px; }
.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 16px;
}
.sidebar-card h3 { font-size: 16px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.sidebar-card ul { list-style: none; padding: 0; }
.sidebar-card li { padding: 10px 0; border-bottom: 1px solid var(--hairline-soft); }
.sidebar-card li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-card a { font-size: 14px; color: var(--body); }
.sidebar-card a:hover { color: var(--ink); }

.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; }

/* FACT BOX */
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 48px; }
.fact-item {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}
.fact-number { font-size: 36px; font-weight: 400; color: var(--ink); letter-spacing: -0.72px; line-height: 1.1; margin-bottom: 8px; }
.fact-label { font-size: 13px; color: var(--muted); line-height: 1.4; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--radius-md);
  padding: 10px 18px;
  height: 40px;
  cursor: pointer;
  border: none;
  transition: background 0.15s, border-color 0.15s;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }
.btn-secondary {
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}
.btn-secondary:hover { border-color: var(--ink); }

/* FORM */
.contact-form-wrap {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 640px;
}
.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(--radius-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--primary); }
.form-group textarea { height: auto; min-height: 120px; resize: vertical; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted-soft); }
.form-submit-msg {
  display: none;
  padding: 16px 20px;
  background: #e8f7f3;
  border: 1px solid #b3dfd0;
  border-radius: var(--radius-md);
  color: var(--success);
  font-size: 15px;
  margin-top: 16px;
}

/* COOKIE BANNER */
.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 20px 24px;
  z-index: 1000;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.cookie-banner-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);
  line-height: 1.5;
  flex: 1;
  min-width: 280px;
}
.cookie-banner a { color: var(--primary); text-decoration: underline; }
.cookie-banner-btns { display: flex; gap: 12px; flex-shrink: 0; }
.cookie-btn {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  height: 36px;
  transition: opacity 0.15s;
}
.cookie-btn-accept { background: var(--primary); color: var(--on-primary); }
.cookie-btn-accept:hover { background: var(--primary-active); }
.cookie-btn-reject { background: transparent; color: var(--canvas); border: 1px solid rgba(255,255,255,0.3); }
.cookie-btn-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 1fr; gap: 32px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--body); line-height: 1.6; margin-top: 12px; max-width: 260px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: 0.2px; margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: var(--body); transition: color 0.15s; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; color: var(--muted); }
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--ink); }
.footer-disclaimer { font-size: 12px; color: var(--muted-soft); margin-top: 16px; line-height: 1.5; }

/* PAGE HEADER */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 12px;
}
.page-header p { font-size: 16px; color: var(--body); line-height: 1.6; max-width: 640px; }

/* PROSE */
.prose { max-width: 760px; padding: 60px 0; }
.prose h2 { font-size: 26px; font-weight: 400; color: var(--ink); letter-spacing: -0.325px; margin: 40px 0 16px; line-height: 1.3; }
.prose h3 { font-size: 20px; font-weight: 600; color: var(--ink); margin: 28px 0 12px; line-height: 1.4; }
.prose p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 20px; }
.prose ul, .prose ol { padding-left: 24px; margin-bottom: 20px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { font-size: 16px; color: var(--body); line-height: 1.6; margin-bottom: 8px; }
.prose a { color: var(--primary); text-decoration: underline; }

/* BREADCRUMB */
.breadcrumb { display: flex; align-items: center; gap: 8px; padding: 16px 0; font-size: 13px; color: var(--muted); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--ink); }

/* RELATED */
.related-section { padding: 60px 0; border-top: 1px solid var(--hairline); }
.related-section .section-title { font-size: 26px; margin-bottom: 32px; }

/* DIVIDER */
.divider { height: 1px; background: var(--hairline); margin: 32px 0; }

/* LOADING SPINNER */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: none; }
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.6px; }
  .section-title { font-size: 28px; }
  .hero-image { order: -1; }
  .hero-image img { height: 240px; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px; }
  .article-hero h1 { font-size: 28px; }
  .page-header h1 { font-size: 30px; }
  section { padding: 48px 0; }
}

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