@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
  --canvas: #f7f7f4;
  --ink: #26251e;
  --body: #5a5852;
  --muted: #807d72;
  --muted-soft: #a09c92;
  --primary: #f54e00;
  --primary-active: #d04200;
  --surface-card: #ffffff;
  --hairline: #e6e5e0;
  --hairline-soft: #efeee8;
  --hairline-strong: #cfcdc4;
  --surface-strong: #e6e5e0;
  --on-primary: #ffffff;
  --success: #1f8a65;
  --error: #cf2d56;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--ink);
  font-weight: 400;
  line-height: 1.2;
}

a {
  color: var(--ink);
  text-decoration: none;
  transition: color 0.15s;
}

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

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

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

.site-nav {
  background: var(--canvas);
  border-bottom: 1px solid var(--hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 200;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  position: relative;
}

.nav-logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

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

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}

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

.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 400;
  letter-spacing: -0.025em;
  color: var(--ink);
  line-height: 1.1;
  max-width: 820px;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 18px;
  color: var(--body);
  max-width: 580px;
  margin-bottom: 48px;
  line-height: 1.65;
}

.hero-image {
  width: 100%;
  max-height: 480px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--hairline);
}

.section {
  padding: 80px 0;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 40px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.section-title {
  font-size: 32px;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.015em;
  margin-bottom: 16px;
}

.section-desc {
  color: var(--body);
  max-width: 600px;
  margin-bottom: 48px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

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

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

.card-body {
  padding: 24px;
}

.card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.4;
}

.card-text {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-bottom: 20px;
}

.card-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
}

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

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

.info-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 0 0 24px;
}

.info-box p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

.topics-card {
  padding: 24px;
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
}

.topics-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
}

.topics-card ul {
  padding-left: 20px;
  color: var(--body);
}

.topics-card li {
  font-size: 14px;
  line-height: 1.8;
}

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

.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 24px;
}

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

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

.breadcrumb span {
  margin: 0 6px;
  opacity: 0.5;
}

.article-header h1 {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
  max-width: 820px;
  margin-bottom: 20px;
}

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

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

.article-image {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  margin-bottom: 48px;
}

.article-content p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--body);
  margin-bottom: 24px;
}

.article-content h2 {
  font-size: 24px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

.article-content h3 {
  font-size: 19px;
  font-weight: 500;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 12px;
}

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

.article-content li {
  font-size: 17px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 8px;
}

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

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

.article-content .info-box {
  margin: 32px 0;
}

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

.sidebar-box {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-box h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline);
}

.sidebar-box ul {
  list-style: none;
  padding: 0;
}

.sidebar-box li {
  margin-bottom: 10px;
}

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

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

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

.page-header h1 {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 16px;
}

.page-header p {
  font-size: 17px;
  color: var(--body);
  max-width: 600px;
  line-height: 1.65;
}

.page-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 64px;
  align-items: start;
  padding-bottom: 80px;
}

.page-content h2 {
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
}

.page-content h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

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

.page-content ul,
.page-content ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.page-content li {
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  margin-bottom: 6px;
}

.contact-card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 32px;
  position: sticky;
  top: 88px;
}

.contact-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hairline);
}

.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(--canvas);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  height: 40px;
  outline: none;
  transition: border-color 0.2s;
}

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

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

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

.form-submit {
  width: 100%;
  background: var(--ink);
  color: var(--canvas);
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 42px;
  transition: background 0.2s;
}

.form-submit:hover {
  background: var(--primary);
}

.form-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-message {
  display: none;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-top: 12px;
  line-height: 1.5;
}

.form-message.success {
  background: #e6f5ef;
  color: var(--success);
  border: 1px solid #b3dece;
}

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

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

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  max-width: 280px;
  margin-top: 12px;
  line-height: 1.65;
}

.footer-col h4 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

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

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--muted);
  gap: 24px;
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ink);
  padding: 20px 0;
  z-index: 1000;
  display: none;
}

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

.cookie-text {
  font-size: 14px;
  color: rgba(247, 247, 244, 0.85);
  line-height: 1.5;
}

.cookie-text a {
  color: rgba(247, 247, 244, 0.85);
  border-bottom: 1px solid rgba(247, 247, 244, 0.3);
}

.cookie-text a:hover {
  color: var(--canvas);
}

.cookie-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

.btn-accept {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  border-radius: 8px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 36px;
  transition: background 0.2s;
}

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

.btn-reject {
  background: transparent;
  color: var(--canvas);
  border: 1px solid rgba(247, 247, 244, 0.3);
  border-radius: 8px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  height: 36px;
  transition: border-color 0.2s;
}

.btn-reject:hover {
  border-color: rgba(247, 247, 244, 0.6);
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
  }
  .page-layout {
    grid-template-columns: 1fr;
  }
  .contact-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: -24px;
    right: -24px;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    padding: 16px 24px;
    gap: 14px;
    z-index: 100;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
  .cards-grid {
    grid-template-columns: 1fr;
  }
  .two-col {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .cookie-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}