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

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

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

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

.nav-inner {
  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;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.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;
  padding: 8px;
  background: none;
  border: none;
}

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

.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 16px 24px;
  gap: 16px;
}

.nav-mobile.open { display: flex; }
.nav-mobile a { font-size: 15px; font-weight: 500; color: var(--body); }
.nav-mobile a:hover { color: var(--ink); }

/* HERO */
.hero {
  padding: 80px 0 64px;
  background: var(--canvas);
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--surface-strong);
  padding: 4px 10px;
  border-radius: var(--rounded-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: 18px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 40px;
}

.hero-img {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--hairline);
  margin-top: 48px;
}

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: block;
}

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

.section-desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--body);
  max-width: 560px;
  margin-bottom: 48px;
}

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

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

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

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--rounded-md);
  margin-bottom: 20px;
  border: 1px solid var(--hairline-soft);
}

.card-tag {
  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;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 10px;
}

.card-excerpt {
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
  flex-grow: 1;
  margin-bottom: 20px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
  display: inline-block;
  align-self: flex-start;
  transition: border-color 0.15s;
}

.card-link:hover { border-color: var(--ink); }

/* ARTICLE */
.article-hero {
  padding: 48px 0 0;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.article-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--surface-strong);
  padding: 4px 10px;
  border-radius: var(--rounded-pill);
}

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

.article-title {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.9px;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 800px;
}

.article-intro {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  max-width: 680px;
  margin-bottom: 40px;
}

.article-featured-img {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--hairline);
  margin-bottom: 56px;
}

.article-body {
  max-width: 720px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin: 48px 0 16px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
  margin: 32px 0 12px;
}

.article-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 20px;
}

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

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 8px;
}

.article-body strong { color: var(--ink); font-weight: 600; }

.article-body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 0.15s;
}

.article-body a:hover { border-color: var(--ink); }

.article-img-block {
  margin: 40px 0;
}

.article-img-block img {
  width: 100%;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--hairline);
}

.article-img-caption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.4;
}

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--ink);
  border-radius: var(--rounded-md);
  padding: 20px 24px;
  margin: 32px 0;
}

.info-box p {
  margin-bottom: 0;
  font-size: 15px;
  line-height: 1.6;
}

/* TWO COLUMN LAYOUT */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 32px 0;
}

.col-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 24px;
}

.col-box h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.col-box ul { list-style: disc; padding-left: 18px; }
.col-box li { font-size: 14px; line-height: 1.6; color: var(--body); margin-bottom: 6px; }

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  margin-bottom: 24px;
}

.contact-detail {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
  display: flex;
  gap: 8px;
}

.contact-detail strong { color: var(--ink); font-weight: 600; }

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
  letter-spacing: 0.1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--rounded-md);
  padding: 12px 16px;
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea { height: auto; min-height: 110px; resize: vertical; }

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

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

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border: none;
  border-radius: var(--rounded-md);
  cursor: pointer;
  line-height: 1;
  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-status {
  display: none;
  padding: 12px 16px;
  border-radius: var(--rounded-md);
  font-size: 14px;
  margin-top: 16px;
}

.form-status.success {
  display: block;
  background: #edf7f3;
  border: 1px solid #b6dec9;
  color: var(--semantic-success);
}

/* FOOTER */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 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-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
  max-width: 280px;
}

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

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--rounded-lg);
  padding: 20px 24px;
  max-width: 560px;
  width: calc(100% - 48px);
  z-index: 999;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}

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

.cookie-text {
  flex-grow: 1;
  font-size: 14px;
  line-height: 1.5;
  color: var(--canvas);
}

.cookie-text a {
  color: var(--canvas);
  border-bottom: 1px solid rgba(247,247,244,0.4);
}

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

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

.btn-cookie-accept:hover { background: var(--primary-active); }

.btn-cookie-reject {
  background: transparent;
  color: var(--muted-soft);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 8px 10px;
  border: 1px solid rgba(247,247,244,0.2);
  border-radius: var(--rounded-md);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s;
}

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

/* RELATED ARTICLES */
.related-section { padding: 64px 0 80px; }

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

/* PAGE CONTENT */
.page-hero {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 56px;
}

.page-title {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.9px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-subtitle {
  font-size: 16px;
  color: var(--body);
}

.page-content {
  max-width: 720px;
  padding-bottom: 80px;
}

.page-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  margin: 40px 0 12px;
}

.page-content p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 16px;
}

.page-content ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.page-content li { font-size: 15px; line-height: 1.7; color: var(--body); margin-bottom: 6px; }

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

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 20px 0;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb a { color: var(--muted); transition: color 0.15s; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span { color: var(--muted-soft); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .hero h1 { font-size: 44px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
  .hero-sub { font-size: 16px; }
  .section-title { font-size: 28px; }
  .cards-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .article-title { font-size: 28px; }
  .article-body h2 { font-size: 22px; }
  .page-title { font-size: 28px; }
  .cookie-banner { flex-direction: column; gap: 12px; bottom: 16px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .article-title { font-size: 24px; }
}