@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;
  --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-color: 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: 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; }

/* NAV */
.site-nav {
  background-color: 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: -0.3px;
  line-height: 1.4;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}
.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;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}
.nav-hamburger svg { display: block; }
.nav-mobile {
  display: none;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  padding: 16px 24px;
}
.nav-mobile.open { display: block; }
.nav-mobile ul { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.nav-mobile ul a { font-size: 16px; font-weight: 500; color: var(--ink); }

/* HERO */
.hero {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline);
}
.hero-label {
  display: inline-block;
  background-color: 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: 760px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 18px;
  color: var(--body);
  max-width: 580px;
  line-height: 1.55;
  margin-bottom: 16px;
}
.hero-meta {
  font-size: 13px;
  color: var(--muted);
}

/* SECTIONS */
.section { padding: 80px 0; }
.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);
  line-height: 1.2;
  letter-spacing: -0.72px;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.5;
  margin-bottom: 48px;
}

/* DIVIDER */
.divider { border: none; border-top: 1px solid var(--hairline); }

/* CARDS GRID */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  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: 4px;
}
.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
}
.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: 0;
}
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--primary); }
.card-excerpt {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  flex: 1;
}
.card-meta {
  font-size: 13px;
  color: var(--muted-soft);
}
.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}
.card-link:hover { color: var(--primary-active); }

/* FEATURED / 2-COL */
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.featured-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.15s;
}
.featured-card:hover { border-color: var(--hairline-strong); }
.featured-card-img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}
.featured-card-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.featured-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
}
.featured-card-title {
  font-size: 22px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.11px;
}
.featured-card-title a { color: var(--ink); }
.featured-card-title a:hover { color: var(--primary); }
.featured-card-excerpt { font-size: 15px; color: var(--body); line-height: 1.5; flex: 1; }
.featured-card-meta { font-size: 13px; color: var(--muted-soft); }

/* ARTICLE PAGE */
.article-header { padding: 64px 0 48px; border-bottom: 1px solid var(--hairline); }
.article-header .breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.article-header .breadcrumb a { color: var(--muted); }
.article-header .breadcrumb a:hover { color: var(--ink); }
.article-header h1 {
  font-size: 46px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -1.2px;
  max-width: 820px;
  margin-bottom: 20px;
}
.article-header .article-meta { font-size: 14px; color: var(--muted); display: flex; gap: 20px; flex-wrap: wrap; }
.article-body {
  padding: 56px 0 80px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  align-items: start;
}
.article-content { max-width: 720px; }
.article-content h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  line-height: 1.25;
  letter-spacing: -0.325px;
  margin-top: 48px;
  margin-bottom: 16px;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-top: 32px;
  margin-bottom: 12px;
}
.article-content p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 20px; }
.article-content ul, .article-content ol { padding-left: 24px; margin-bottom: 20px; }
.article-content li { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 8px; }
.article-content a { color: var(--primary); text-decoration: underline; }
.article-content a:hover { color: var(--primary-active); }
.article-content .article-img {
  width: 100%;
  border-radius: var(--radius-lg);
  margin: 32px 0;
}
.article-content .img-caption { font-size: 13px; color: var(--muted); margin-top: -20px; margin-bottom: 32px; }
.article-content table { width: 100%; border-collapse: collapse; margin-bottom: 24px; font-size: 14px; }
.article-content table th {
  background-color: var(--surface-strong);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--hairline);
}
.article-content table td {
  padding: 10px 14px;
  border: 1px solid var(--hairline);
  color: var(--body);
  background-color: var(--surface-card);
}
.article-content table tr:nth-child(even) td { background-color: var(--canvas-soft); }

.article-sidebar { position: sticky; top: 88px; }
.sidebar-box {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.sidebar-box-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}
.sidebar-box ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.sidebar-box ul a { font-size: 14px; color: var(--ink); line-height: 1.4; }
.sidebar-box ul a:hover { color: var(--primary); }
.sidebar-box p { font-size: 14px; color: var(--body); line-height: 1.6; }

/* INFO BOX */
.info-box {
  background-color: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--ink);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin: 28px 0;
}
.info-box p { font-size: 15px; color: var(--body); line-height: 1.6; margin: 0; }

/* INFO GRID */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0; }
.info-cell {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  padding: 16px;
}
.info-cell-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin-bottom: 6px; }
.info-cell-value { font-size: 15px; color: var(--ink); line-height: 1.4; }

/* PAGE HEADER */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}
.page-header h1 {
  font-size: 46px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.page-header p { font-size: 18px; color: var(--body); max-width: 560px; line-height: 1.55; }
.page-body { padding: 56px 0 80px; }
.page-body h2 {
  font-size: 26px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.325px;
  margin-top: 40px;
  margin-bottom: 14px;
}
.page-body h3 { font-size: 18px; font-weight: 600; color: var(--ink); margin-top: 28px; margin-bottom: 10px; }
.page-body p { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 18px; max-width: 720px; }
.page-body ul, .page-body ol { padding-left: 24px; margin-bottom: 18px; max-width: 720px; }
.page-body li { font-size: 16px; color: var(--body); line-height: 1.7; margin-bottom: 6px; }
.page-body a { color: var(--primary); text-decoration: underline; }

/* CONTACT FORM */
.contact-form {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 40px;
  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-color: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 16px;
  font-family: inherit;
  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.error, .form-group textarea.error { border-color: var(--semantic-error); }
.form-error { font-size: 13px; color: var(--semantic-error); margin-top: 4px; display: none; }
.form-error.visible { display: block; }
.btn-primary {
  background-color: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary:hover { background-color: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }
.form-status { margin-top: 16px; font-size: 14px; display: none; }
.form-status.success { color: var(--semantic-success); display: block; }

/* FOOTER */
.site-footer {
  background-color: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 64px 0 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand-name { font-size: 16px; font-weight: 600; color: var(--ink); }
.footer-brand-name span { color: var(--primary); }
.footer-brand-desc { font-size: 14px; color: var(--body); line-height: 1.6; max-width: 240px; }
.footer-col-title { font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--body); }
.footer-links a:hover { color: var(--ink); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { font-size: 13px; color: var(--muted); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 13px; color: var(--muted); }
.footer-legal a:hover { color: var(--ink); }

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--ink);
  color: var(--canvas);
  border-radius: var(--radius-lg);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 680px;
  width: calc(100% - 48px);
  z-index: 9999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}
#cookie-banner p { font-size: 14px; color: var(--canvas); line-height: 1.5; flex: 1; }
#cookie-banner a { color: var(--canvas); text-decoration: underline; }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie-accept {
  background-color: var(--primary);
  color: var(--on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn-cookie-accept:hover { background-color: var(--primary-active); }
.btn-cookie-reject {
  background-color: transparent;
  color: var(--canvas);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(247,247,244,0.3);
  cursor: pointer;
  white-space: nowrap;
}
.btn-cookie-reject:hover { border-color: rgba(247,247,244,0.6); }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.about-img { width: 100%; border-radius: var(--radius-lg); height: 360px; object-fit: cover; }

/* BREADCRUMB */
.breadcrumb { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: center; margin-bottom: 20px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb-sep { color: var(--hairline-strong); }

/* SPINNER */
.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-body { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 36px; letter-spacing: -0.8px; }
  .section-title { font-size: 28px; }
  .nav-links { display: none; }
  .nav-hamburger { display: block; }
  .featured-grid { grid-template-columns: 1fr; }
  .cards-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 32px; }
  .article-header h1 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-form { padding: 24px; }
  #cookie-banner { flex-direction: column; align-items: flex-start; }
  .cookie-actions { width: 100%; justify-content: flex-end; }
}
@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .info-grid { grid-template-columns: 1fr; }
}