@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;
  --r-xs: 4px;
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 9999px;
}

html { scroll-behavior: smooth; }

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

a { color: inherit; text-decoration: none; }
a:hover { color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
ul { list-style: none; }

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

.site-header {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  background: var(--primary);
  color: var(--on-primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--r-pill);
}

.logo-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.15px;
}

.main-nav { margin-left: auto; }

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  padding: 6px 12px;
  border-radius: var(--r-sm);
  transition: color 0.15s, background 0.15s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--ink);
  background: var(--surface-strong);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

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

.hero-band {
  padding: 80px 0;
  border-bottom: 1px solid var(--hairline);
}

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

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.hero-h1 {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 20px;
}

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

.hero-meta {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--muted);
}

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

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

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

.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;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--body);
  max-width: 560px;
  line-height: 1.6;
  margin-bottom: 48px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

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

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

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.card:hover .card-img img { transform: scale(1.03); }

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

.card-tag {
  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: 1.35;
  margin-bottom: 10px;
}

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

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 1px;
  transition: border-color 0.15s, color 0.15s;
}

.card-link:hover { color: var(--primary); border-color: var(--primary); }

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.info-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 28px 32px;
}

.info-card-title {
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.11px;
  color: var(--ink);
  margin-bottom: 12px;
}

.info-card p {
  font-size: 15px;
  color: var(--body);
  line-height: 1.65;
}

.contact-section { padding: 80px 0; border-top: 1px solid var(--hairline-soft); }

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

.contact-info h2 {
  font-size: 36px;
  font-weight: 400;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 12px;
}

.contact-detail {
  margin-top: 24px;
  font-size: 14px;
  color: var(--muted);
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 32px;
}

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

.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(--card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-md);
  padding: 12px 16px;
  font-family: inherit;
  font-size: 15px;
  height: 44px;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 100px;
  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: 12px;
  color: var(--error);
  margin-top: 4px;
  display: none;
}

.form-error-msg.visible { display: block; }

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

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

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

.btn-primary:disabled {
  background: var(--muted-soft);
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
}

.btn-secondary:hover { background: var(--surface-strong); }

.form-submit { width: 100%; justify-content: center; height: 44px; font-size: 15px; }

.form-status {
  margin-top: 12px;
  font-size: 14px;
  color: var(--success);
  display: none;
}

.form-status.visible { display: block; }

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

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--hairline-soft);
}

.footer-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}

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

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

.footer-col a {
  font-size: 14px;
  color: var(--body);
  transition: color 0.15s;
}

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

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.footer-update {
  margin-top: 4px;
}

.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--canvas);
  border-radius: var(--r-lg);
  padding: 16px 24px;
  max-width: 640px;
  width: calc(100% - 48px);
  z-index: 999;
  display: none;
  box-shadow: 0 4px 24px rgba(38,37,30,0.18);
}

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

.cookie-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-inner p {
  font-size: 14px;
  color: var(--canvas);
  line-height: 1.5;
  flex: 1;
  min-width: 200px;
}

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

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

.article-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}

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

.article-h1 {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 16px;
  max-width: 800px;
}

.article-lead {
  font-size: 18px;
  color: var(--body);
  line-height: 1.65;
  max-width: 700px;
}

.article-cover {
  margin: 40px 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--hairline);
  aspect-ratio: 16/7;
}

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

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  padding: 48px 0 80px;
  align-items: start;
}

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

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 28px 0 12px;
}

.article-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 20px;
}

.article-body ul, .article-body ol {
  margin: 0 0 20px 20px;
  list-style: disc;
}

.article-body ol { list-style: decimal; }

.article-body li {
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 6px;
}

.article-body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
}

.article-body a:hover { border-color: var(--primary); color: var(--primary); }

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

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

.article-body figcaption {
  background: var(--canvas-soft);
  font-size: 13px;
  color: var(--muted);
  padding: 10px 16px;
}

.article-body blockquote {
  border-left: 3px solid var(--hairline-strong);
  margin: 28px 0;
  padding: 12px 20px;
  color: var(--muted);
  font-size: 15px;
  font-style: italic;
}

.article-sidebar { position: sticky; top: 88px; }

.sidebar-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-card-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-card ul { display: flex; flex-direction: column; gap: 10px; }

.sidebar-card a {
  font-size: 14px;
  color: var(--body);
  line-height: 1.45;
  border-bottom: none;
}

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

.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--hairline);
}

.page-h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -0.8px;
  color: var(--ink);
  margin-bottom: 12px;
}

.page-sub {
  font-size: 16px;
  color: var(--muted);
}

.page-body {
  max-width: 760px;
  padding: 48px 0 80px;
}

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

.page-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 24px 0 10px;
}

.page-body p {
  font-size: 16px;
  color: var(--body);
  line-height: 1.75;
  margin-bottom: 18px;
}

.page-body ul, .page-body ol {
  margin: 0 0 18px 20px;
  list-style: disc;
}

.page-body ol { list-style: decimal; }

.page-body li {
  font-size: 15px;
  color: var(--body);
  line-height: 1.7;
  margin-bottom: 5px;
}

.page-body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
}

.page-body a:hover { color: var(--primary); border-color: var(--primary); }

.disclaimer-box {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  font-size: 14px;
  color: var(--muted);
  margin: 28px 0;
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-h1 { font-size: 42px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 12px 24px 20px;
    margin: 0;
  }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 2px; }
  .main-nav a { display: block; }
  .header-inner { position: relative; }
  .info-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .hero-h1 { font-size: 32px; letter-spacing: -0.5px; }
  .section-title { font-size: 28px; }
  .article-h1 { font-size: 28px; }
  .page-h1 { font-size: 28px; }
  .cards-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-band { padding: 48px 0; }
  .section { padding: 48px 0; }
}