@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 {
  --color-canvas: #f7f7f4;
  --color-canvas-soft: #fafaf7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #e6e5e0;
  --color-primary: #f54e00;
  --color-primary-active: #d04200;
  --color-ink: #26251e;
  --color-body: #5a5852;
  --color-body-strong: #26251e;
  --color-muted: #807d72;
  --color-muted-soft: #a09c92;
  --color-on-primary: #ffffff;
  --color-hairline: #e6e5e0;
  --color-hairline-soft: #efeee8;
  --color-hairline-strong: #cfcdc4;
  --color-semantic-success: #1f8a65;
  --color-semantic-error: #cf2d56;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: var(--color-ink);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

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

.nav-logo {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-body);
  line-height: 1.4;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-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-color: var(--color-ink);
  border-radius: 2px;
  transition: all 0.25s;
}

.nav-mobile {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  padding: 16px 24px 24px;
  z-index: 99;
}

.nav-mobile.open {
  display: block;
}

.nav-mobile ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

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

.hero h1 {
  font-size: 56px;
  font-weight: 400;
  color: var(--color-ink);
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 760px;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 18px;
  color: var(--color-body);
  max-width: 580px;
  line-height: 1.55;
  margin-bottom: 40px;
}

.hero-img {
  margin-top: 48px;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
  overflow: hidden;
  max-height: 480px;
}

.hero-img img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

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

/* ──────────────────────────────────────────────
   SECTION HEADINGS
────────────────────────────────────────────── */
.section {
  padding: 80px 0;
  border-bottom: 1px solid var(--color-hairline);
}

.section:last-of-type {
  border-bottom: none;
}

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

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

.section-body {
  font-size: 16px;
  color: var(--color-body);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 40px;
}

/* ──────────────────────────────────────────────
   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-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.card-img {
  border-radius: var(--rounded-md);
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--color-hairline-soft);
}

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

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

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.35;
  margin-bottom: 10px;
}

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

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

.card-body {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.55;
  flex: 1;
  margin-bottom: 16px;
}

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

/* ──────────────────────────────────────────────
   ARTICLE
────────────────────────────────────────────── */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  padding: 64px 0 80px;
}

.article-content {
  min-width: 0;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-hairline);
}

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

.article-header h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.article-meta {
  font-size: 14px;
  color: var(--color-muted);
}

.article-hero-img {
  margin-bottom: 40px;
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.article-hero-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

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

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

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.325px;
  line-height: 1.25;
  margin: 40px 0 16px;
}

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

.article-body p {
  margin-bottom: 20px;
}

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

.article-body li {
  margin-bottom: 8px;
}

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-body blockquote {
  border-left: 3px solid var(--color-hairline-strong);
  padding: 12px 20px;
  margin: 24px 0;
  color: var(--color-muted);
  font-style: italic;
}

.article-body figure {
  margin: 32px 0;
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.article-body figure img {
  width: 100%;
  height: auto;
}

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

.article-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  background-color: var(--color-surface-strong);
  padding: 2px 6px;
  border-radius: var(--rounded-xs);
}

.article-sidebar {
  position: sticky;
  top: 84px;
  align-self: start;
}

.sidebar-widget {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: 24px;
  margin-bottom: 16px;
}

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

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-links a {
  font-size: 14px;
  color: var(--color-body);
}

.sidebar-links a:hover {
  color: var(--color-primary);
}

/* ──────────────────────────────────────────────
   FACT BOXES
────────────────────────────────────────────── */
.fact-box {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: 24px;
  margin: 32px 0;
}

.fact-box-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fact-box dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
}

.fact-box dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-muted);
}

.fact-box dd {
  font-size: 13px;
  color: var(--color-body);
}

/* ──────────────────────────────────────────────
   FORM
────────────────────────────────────────────── */
.contact-form {
  background-color: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: 40px;
  max-width: 640px;
}

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  height: 44px;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-ink);
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--rounded-md);
  border: none;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.form-message.success {
  background-color: #edf7f3;
  color: var(--color-semantic-success);
  border: 1px solid #b8e0d2;
  display: block;
}

.form-message.error {
  background-color: #fef0f3;
  color: var(--color-semantic-error);
  border: 1px solid #f5c6d0;
  display: block;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.6;
  max-width: 280px;
  margin-top: 10px;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 16px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--color-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

/* ──────────────────────────────────────────────
   COOKIE BANNER
────────────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-surface-card);
  border-top: 1px solid var(--color-hairline);
  padding: 20px 24px;
  z-index: 999;
  display: none;
}

#cookie-banner.visible {
  display: block;
}

.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.cookie-text {
  font-size: 14px;
  color: var(--color-body);
  max-width: 680px;
}

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

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn-secondary {
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--rounded-md);
  border: 1px solid var(--color-hairline-strong);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s;
  display: inline-flex;
  align-items: center;
}

.btn-secondary:hover {
  border-color: var(--color-ink);
}

/* ──────────────────────────────────────────────
   PAGE CONTENT (ABOUT / PRIVACY / TERMS)
────────────────────────────────────────────── */
.page-layout {
  padding: 64px 0 80px;
  max-width: 760px;
}

.page-layout h1 {
  font-size: 40px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 12px;
}

.page-layout .page-meta {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-hairline);
}

.page-layout h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.325px;
  margin: 40px 0 14px;
}

.page-layout h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-body-strong);
  margin: 28px 0 10px;
}

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

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

.page-layout li {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: 6px;
}

.page-layout a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ──────────────────────────────────────────────
   BREADCRUMB
────────────────────────────────────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-muted);
  border-bottom: 1px solid var(--color-hairline);
}

.breadcrumb a {
  color: var(--color-muted);
}

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

.breadcrumb-sep {
  color: var(--color-hairline-strong);
}

/* ──────────────────────────────────────────────
   LATEST ARTICLES STRIP
────────────────────────────────────────────── */
.article-strip {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  background-color: var(--color-hairline);
}

.article-strip-item {
  background-color: var(--color-surface-card);
  padding: 20px 24px;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.article-strip-item:hover {
  background-color: var(--color-canvas-soft);
}

.strip-date {
  font-size: 12px;
  color: var(--color-muted);
  flex-shrink: 0;
  width: 70px;
}

.strip-title a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
}

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

/* ──────────────────────────────────────────────
   DISCLAIMER
────────────────────────────────────────────── */
.disclaimer {
  background-color: var(--color-canvas-soft);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-md);
  padding: 16px 20px;
  font-size: 13px;
  color: var(--color-muted);
  line-height: 1.55;
  margin: 32px 0;
}

/* ──────────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@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; }
  .hero-img img { height: 240px; }
  .section { padding: 48px 0; }
  .section-title { font-size: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cookie-inner { flex-direction: column; align-items: flex-start; }
  .article-header h1 { font-size: 28px; }
  .contact-form { padding: 24px; }
  .page-layout h1 { font-size: 28px; }
}

@media (max-width: 640px) {
  .container { padding: 0 16px; }
}