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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
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;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  transition: color 0.15s;
}

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

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

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

/* HERO */
.hero {
  padding: 80px 0 64px;
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline-soft);
}

.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-title {
  font-size: 48px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.72px;
  margin-bottom: 20px;
}

.hero-title em { color: var(--primary); font-style: normal; }

.hero-desc {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 32px;
  max-width: 480px;
}

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

.hero-meta span { display: flex; align-items: center; gap: 6px; }

.hero-image {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 4/3;
}

.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* SECTION TITLES */
.section-title {
  font-size: 36px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 40px;
}

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

/* ARTICLE CARDS */
.articles-section { padding: 80px 0; }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  transition: border-color 0.15s;
}

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

.article-card-image {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.article-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.article-card:hover .article-card-image img { transform: scale(1.03); }

.article-card-body { padding: 20px 24px 24px; }

.article-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  display: block;
}

.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: 1.55;
  margin-bottom: 16px;
}

.article-card-meta {
  font-size: 13px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* FEATURES STRIP */
.features-strip {
  padding: 60px 0;
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  background: var(--canvas-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-item { padding: 0 8px; }

.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--surface-strong);
  border-radius: var(--rounded-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-size: 18px;
}

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

.feature-text { font-size: 14px; color: var(--body); line-height: 1.55; }

/* TWO-COL SECTION */
.two-col-section { padding: 80px 0; }

.two-col-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.two-col-inner.reverse { direction: rtl; }
.two-col-inner.reverse > * { direction: ltr; }

.two-col-image {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 5/4;
}

.two-col-image img { width: 100%; height: 100%; object-fit: cover; }

.two-col-text .section-title { margin-bottom: 16px; }

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

.two-col-text ul { margin: 0 0 16px 0; }
.two-col-text ul li {
  font-size: 15px;
  color: var(--body);
  padding: 6px 0 6px 20px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
}
.two-col-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ARTICLE PAGE */
.article-page { padding: 64px 0 80px; }

.article-header { margin-bottom: 40px; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
}

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

.article-title {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 720px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.article-hero-img {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin-bottom: 48px;
  aspect-ratio: 16/7;
}

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

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: start;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  line-height: 1.25;
  margin: 36px 0 14px;
}

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

.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 18px;
}

.article-body ul, .article-body ol {
  margin: 0 0 18px 0;
}

.article-body ul { list-style: none; }
.article-body ul li {
  font-size: 15px;
  color: var(--body);
  padding: 5px 0 5px 20px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

.article-body ol { list-style: none; counter-reset: list; }
.article-body ol li {
  font-size: 15px;
  color: var(--body);
  padding: 5px 0 5px 28px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
  counter-increment: list;
}
.article-body ol li::before {
  content: counter(list);
  position: absolute;
  left: 0;
  top: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
}

.article-body a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 18px 24px;
  border-left: 3px solid var(--primary);
  background: var(--canvas-soft);
  border-radius: 0 var(--rounded-sm) var(--rounded-sm) 0;
  font-size: 16px;
  color: var(--body-strong);
  font-style: italic;
  line-height: 1.6;
}

.article-body .article-img {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  margin: 28px 0;
}

.article-body .article-img img { width: 100%; height: auto; }
.article-body .article-img figcaption {
  font-size: 13px;
  color: var(--muted);
  padding: 10px 14px;
  background: var(--canvas-soft);
  font-family: 'JetBrains Mono', monospace;
}

.article-sidebar { position: sticky; top: 80px; }

.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--rounded-lg);
  padding: 20px;
  margin-bottom: 20px;
}

.sidebar-card-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

.sidebar-links { display: flex; flex-direction: column; gap: 0; }
.sidebar-links a {
  font-size: 14px;
  color: var(--body);
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline-soft);
  transition: color 0.15s;
  line-height: 1.4;
}
.sidebar-links a:hover { color: var(--ink); }
.sidebar-links a:last-child { border-bottom: none; }

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

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.form-group { margin-bottom: 16px; }

.form-group label {
  display: block;
  font-size: 13px;
  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;
  font-size: 15px;
  color: var(--ink);
  font-family: inherit;
  transition: border-color 0.15s;
  outline: none;
  height: 44px;
}

.form-group textarea {
  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);
}

.form-error {
  font-size: 12px;
  color: var(--semantic-error);
  margin-top: 4px;
  display: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  height: 40px;
  padding: 0 18px;
  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-status {
  margin-top: 14px;
  font-size: 14px;
  color: var(--semantic-success);
  display: none;
}

/* FOOTER */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 48px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
}

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

.footer-brand-desc {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 260px;
}

.footer-col-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
}

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

.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-soft);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

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

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

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

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 560px;
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--rounded-lg);
  padding: 20px 24px;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
  z-index: 999;
  display: none;
}

#cookie-banner.show { display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap; }

.cookie-text {
  flex: 1;
  font-size: 14px;
  color: var(--canvas);
  line-height: 1.55;
}

.cookie-text a { color: var(--canvas); text-decoration: underline; text-underline-offset: 2px; }

.cookie-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
  margin-top: 4px;
}

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

.btn-cookie-reject {
  background: transparent;
  color: var(--muted-soft);
  border: 1px solid #484640;
  border-radius: var(--rounded-md);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  font-family: inherit;
}

/* DISCLAIMER */
.disclaimer-bar {
  background: var(--canvas-soft);
  border-bottom: 1px solid var(--hairline-soft);
  padding: 8px 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

/* ABOUT / PAGES */
.page-hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--hairline-soft);
}

.page-title {
  font-size: 40px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.2;
  margin-bottom: 14px;
}

.page-desc {
  font-size: 17px;
  color: var(--body);
  line-height: 1.6;
  max-width: 560px;
}

.page-content { padding: 60px 0; }

.prose h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin: 32px 0 12px;
}

.prose h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 8px;
}

.prose p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.65;
  margin-bottom: 16px;
}

.prose ul {
  list-style: none;
  margin: 0 0 16px 0;
}

.prose ul li {
  font-size: 15px;
  color: var(--body);
  padding: 5px 0 5px 18px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
}

.prose ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-title { font-size: 40px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: var(--canvas); border-bottom: 1px solid var(--hairline); flex-direction: column; padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-title { font-size: 32px; }
  .hero-image { display: none; }

  .articles-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; gap: 24px; }
  .two-col-inner { grid-template-columns: 1fr; gap: 32px; }
  .two-col-inner.reverse { direction: ltr; }

  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .article-title { font-size: 28px; }

  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  #cookie-banner { left: 12px; right: 12px; bottom: 12px; }

  .section-title { font-size: 28px; }
  .page-title { font-size: 30px; }
}

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