@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;
  --card:          #ffffff;
  --surface-strong:#e6e5e0;
  --hairline:      #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong:#cfcdc4;
  --ink:           #26251e;
  --body:          #5a5852;
  --muted:         #807d72;
  --muted-soft:    #a09c92;
  --primary:       #f54e00;
  --primary-active:#d04200;
  --on-primary:    #ffffff;
  --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 {
  background: var(--canvas);
  color: var(--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(--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 ── */
.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;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
}
.nav-links a:hover { color: var(--primary); }
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all .2s;
}

/* ── HERO ── */
.hero {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline);
}
.hero-label {
  display: inline-block;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 800px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  max-height: 440px;
  object-fit: cover;
  width: 100%;
}

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background .15s;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-active); color: var(--on-primary); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--hairline-strong);
  cursor: pointer;
  transition: border-color .15s;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--ink); color: var(--ink); }

.btn-group { display: flex; gap: 12px; flex-wrap: wrap; }

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

.section-label {
  display: inline-block;
  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;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.72px;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 48px;
}

/* ── CARDS ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: border-color .15s;
}
.card:hover { border-color: var(--hairline-strong); }
.card-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
  aspect-ratio: 16/9;
}
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-label {
  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;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 12px;
}
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--primary); }
.card-body {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
}
.card-meta {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}

/* ── ARTICLE PAGE ── */
.article-header { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.article-header .article-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.15;
  max-width: 760px;
  margin-bottom: 20px;
}
.article-header .article-meta {
  font-size: 14px;
  color: var(--muted);
}
.article-hero-img {
  margin-top: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  max-height: 480px;
}
.article-hero-img img { width: 100%; object-fit: cover; }

.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  padding: 64px 0 80px;
  align-items: start;
}
.article-body { max-width: 720px; }
.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  line-height: 1.25;
  margin: 40px 0 16px;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin: 32px 0 12px;
}
.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}
.article-body a { color: var(--primary); }
.article-body a:hover { text-decoration: underline; }
.article-body .callout {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 32px 0;
}
.article-body .callout p { margin-bottom: 0; }
.article-body .inline-img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--hairline);
  overflow: hidden;
  margin: 32px 0;
}
.article-body .inline-img img { width: 100%; }
.article-body .caption {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

/* ── SIDEBAR ── */
.article-sidebar { position: sticky; top: 80px; }
.sidebar-box {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-box h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.88px;
  color: var(--muted);
  margin-bottom: 16px;
}
.sidebar-box ul { list-style: none; padding: 0; }
.sidebar-box ul li { border-bottom: 1px solid var(--hairline-soft); padding: 10px 0; font-size: 14px; }
.sidebar-box ul li:last-child { border-bottom: none; padding-bottom: 0; }
.sidebar-box ul li a { color: var(--body); }
.sidebar-box ul li a:hover { color: var(--primary); }

/* ── CONTACT FORM ── */
.contact-form { max-width: 600px; }
.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(--card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  outline: none;
  transition: border-color .15s;
}
.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(--error); }
.form-error-msg {
  font-size: 13px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}
.form-success {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--success);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 15px;
  color: var(--ink);
  display: none;
  margin-top: 20px;
}
.form-loading { display: none; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); margin-top: 12px; }
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--hairline);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── COOKIE BANNER ── */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  z-index: 999;
  flex-wrap: wrap;
}
#cookie-banner p { font-size: 14px; line-height: 1.5; flex: 1; min-width: 240px; }
#cookie-banner a { color: var(--primary); text-decoration: underline; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btns button {
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid transparent;
}
#cookie-accept {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}
#cookie-reject {
  background: transparent;
  color: var(--canvas);
  border-color: var(--canvas);
}

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--hairline-soft);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { margin: 0 6px; }

/* ── FOOTER ── */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 240px;
}
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.88px;
  color: var(--muted);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
}
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--primary); }

/* ── PAGES (about, privacy, terms) ── */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 42px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.72px;
  line-height: 1.15;
  margin-bottom: 12px;
}
.page-header p { font-size: 16px; color: var(--body); }
.page-content { padding: 64px 0 80px; max-width: 760px; }
.page-content h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin: 40px 0 16px;
}
.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 10px;
}
.page-content p, .page-content li {
  font-size: 16px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 16px;
}
.page-content ul, .page-content ol { padding-left: 24px; margin-bottom: 20px; }
.page-content a { color: var(--primary); }
.page-content a:hover { text-decoration: underline; }

/* ── DISCLAIMER ── */
.disclaimer-bar {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline);
  padding: 12px 0;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 20px 24px;
    gap: 20px;
  }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 32px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .cards-grid, .cards-grid-2 { grid-template-columns: 1fr; }
  .article-header h1 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  #cookie-banner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 28px; }
  .btn-group { flex-direction: column; }
}