@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;
  --success: #1f8a65;
  --error: #cf2d56;
}

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: 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: 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-brand {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand span.brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

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

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

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

.nav-mobile {
  display: none;
  background: var(--canvas);
  border-top: 1px solid var(--hairline);
  padding: 16px 24px 20px;
}

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

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

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

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

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

.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);
  margin-bottom: 16px;
  background: var(--surface-strong);
  padding: 4px 10px;
  border-radius: 9999px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.4px;
  color: var(--ink);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 440px;
  margin-bottom: 32px;
}

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

.hero-meta-dot { color: var(--hairline-strong); }

.hero-img {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

/* BREADCRUMB */
.breadcrumb {
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}

.breadcrumb li + li::before {
  content: '/';
  margin-right: 4px;
  color: var(--hairline-strong);
}

.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb li:last-child { color: var(--body); }

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--canvas-soft); }
.section-divide { 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: 12px;
}

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

.section-sub {
  font-size: 16px;
  line-height: 1.6;
  color: var(--body);
  max-width: 600px;
  margin-bottom: 48px;
}

/* 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: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card-img {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 4px;
  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);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
}

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

.card-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
  flex: 1;
}

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

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

.article-header { margin-bottom: 32px; }

.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.84px;
  line-height: 1.15;
  color: var(--ink);
  margin: 16px 0;
}

.article-header .article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

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

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

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

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

.article-body ul, .article-body ol {
  margin: 0 0 20px 24px;
}

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

.article-body img {
  border-radius: 8px;
  margin: 32px 0;
  width: 100%;
  border: 1px solid var(--hairline);
}

.article-body .note-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 32px 0;
  font-size: 15px;
}

.article-body .note-box strong { color: var(--ink); }

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}

.article-body th {
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 600;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline-strong);
  font-size: 12px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline-soft);
  color: var(--body);
  vertical-align: top;
}

.article-body tr:last-child td { border-bottom: none; }

/* SIDEBAR */
.sidebar { display: flex; flex-direction: column; gap: 24px; }

.sidebar-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 20px;
}

.sidebar-card-title {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-links li {
  border-bottom: 1px solid var(--hairline-soft);
  padding-bottom: 12px;
}

.sidebar-links li:last-child { border-bottom: none; padding-bottom: 0; }

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

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

/* CHECKLIST BOX */
.checklist {
  list-style: none;
  margin: 0 0 20px;
}

.checklist li {
  padding: 8px 0 8px 28px;
  position: relative;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 15px;
  color: var(--body);
}

.checklist li:last-child { border-bottom: none; }

.checklist li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--hairline-strong);
  border-radius: 3px;
}

/* TIPS GRID */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.tip-item {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 16px 20px;
}

.tip-item strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.tip-item span {
  font-size: 13px;
  color: var(--body);
  line-height: 1.5;
}

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

.form-wrapper {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 40px 48px;
  max-width: 640px;
}

.form-title {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-sub {
  font-size: 15px;
  color: var(--body);
  margin-bottom: 32px;
}

.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(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink);
  transition: border-color 0.15s;
  outline: none;
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

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

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

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

.field-error {
  font-size: 13px;
  color: var(--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;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
  gap: 8px;
}

.btn-primary:hover { background: var(--primary-active); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s;
}

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

.form-success {
  display: none;
  background: #f0faf5;
  border: 1px solid #b8e8d4;
  border-radius: 8px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--success);
  margin-top: 16px;
}

.form-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* STATS ROW */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  margin: 48px 0;
}

.stat-item {
  background: var(--surface-card);
  padding: 24px;
  text-align: center;
}

.stat-num {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.64px;
  color: var(--ink);
  display: block;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
}

/* COOKIE BANNER */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 24px;
  z-index: 999;
  display: none;
}

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

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

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

.cookie-buttons {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.btn-cookie-accept {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

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

.btn-cookie-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.btn-cookie-reject:hover { border-color: rgba(255,255,255,0.7); }

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

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

.footer-brand .brand-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  max-width: 240px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

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

.footer-col a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.4;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

.footer-bottom a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }
.footer-bottom a:hover { color: var(--ink); }

.footer-disclaimer {
  font-size: 12px;
  color: var(--muted-soft);
  margin-top: 16px;
  line-height: 1.6;
  max-width: 800px;
}

/* PAGE HEADER */
.page-header {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}

.page-header h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.84px;
  color: var(--ink);
  line-height: 1.15;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 16px;
  color: var(--body);
  max-width: 600px;
  line-height: 1.6;
}

/* CONTENT PAGE BODY */
.page-body {
  padding: 48px 0 80px;
  max-width: 800px;
}

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

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

.page-body p { font-size: 16px; line-height: 1.7; color: var(--body); margin-bottom: 18px; }

.page-body ul, .page-body ol {
  margin: 0 0 18px 24px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
}

.page-body li { margin-bottom: 6px; }

.updated-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  background: var(--surface-strong);
  padding: 3px 10px;
  border-radius: 9999px;
  margin-bottom: 24px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; letter-spacing: -1px; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero h1 { font-size: 34px; letter-spacing: -0.68px; }

  .section-title { font-size: 28px; }
  .article-header h1 { font-size: 30px; }
  .page-header h1 { font-size: 30px; }

  .card-grid, .card-grid-2 { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .form-wrapper { padding: 28px 24px; }

  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; }
}