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

:root {
  --color-canvas: #f7f7f4;
  --color-canvas-soft: #fafaf7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #e6e5e0;
  --color-ink: #26251e;
  --color-body: #5a5852;
  --color-body-strong: #26251e;
  --color-muted: #807d72;
  --color-muted-soft: #a09c92;
  --color-primary: #f54e00;
  --color-primary-active: #d04200;
  --color-on-primary: #ffffff;
  --color-hairline: #e6e5e0;
  --color-hairline-soft: #efeee8;
  --color-hairline-strong: #cfcdc4;
  --color-success: #1f8a65;
  --color-error: #cf2d56;

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

  --spacing-xxs: 4px;
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-base: 16px;
  --spacing-md: 20px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;
  --spacing-section: 80px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-body);
  font-family: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* Top Navigation */
.top-nav {
  background-color: var(--color-canvas);
  border-bottom: 1px solid var(--color-hairline);
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.top-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-brand {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.11px;
}

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

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

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

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

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: var(--spacing-xs);
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  border-radius: 1px;
  transition: 0.2s;
}

/* Hero */
.hero-band {
  background-color: var(--color-canvas);
  padding: var(--spacing-section) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.hero-content {
  max-width: 720px;
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-surface-strong);
  padding: 4px 10px;
  border-radius: var(--rounded-pill);
  margin-bottom: var(--spacing-lg);
}

.hero-band h1 {
  font-size: 72px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -2.16px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
}

.hero-band .hero-sub {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
  max-width: 560px;
  margin-bottom: var(--spacing-xxl);
}

/* Section Headings */
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

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

.section-sub {
  font-size: 16px;
  color: var(--color-body);
  max-width: 560px;
  margin-bottom: var(--spacing-xxl);
}

/* Cards */
.card-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.card-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.feature-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.feature-card p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
}

/* Article cards */
.article-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.article-card-body {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--color-muted);
  background: var(--color-surface-strong);
  padding: 4px 10px;
  border-radius: var(--rounded-pill);
  margin-bottom: var(--spacing-sm);
  width: fit-content;
}

.article-card h2 {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.11px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.article-card p {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
  margin-bottom: var(--spacing-base);
  flex: 1;
}

.article-card-meta {
  font-size: 13px;
  color: var(--color-muted);
  border-top: 1px solid var(--color-hairline-soft);
  padding-top: var(--spacing-sm);
  margin-top: auto;
}

.article-card-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}

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

/* Section band */
.section-band {
  padding: var(--spacing-section) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.section-band-alt {
  background-color: var(--color-canvas-soft);
}

/* Article page */
.article-hero {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
  border-bottom: 1px solid var(--color-hairline-soft);
}

.article-hero-meta {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-base);
}

.article-hero h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
}

.article-hero .lead {
  font-size: 18px;
  color: var(--color-body);
  line-height: 1.5;
  max-width: 660px;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-section);
  padding: var(--spacing-section) 0;
  align-items: start;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-base);
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-ink);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-sm);
}

.article-body p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
}

.article-body ul, .article-body ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-base);
}

.article-body li {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

.article-body img {
  border-radius: var(--rounded-lg);
  margin: var(--spacing-xl) 0;
  width: 100%;
}

.article-body .info-box {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.article-body .info-box h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}

.article-body .info-box p,
.article-body .info-box li {
  font-size: 14px;
}

.article-sidebar {
  position: sticky;
  top: 80px;
}

.sidebar-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-base);
}

.sidebar-card h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-hairline-soft);
}

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

.sidebar-card ul li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
  font-size: 14px;
}

.sidebar-card ul li:last-child {
  border-bottom: none;
}

.sidebar-card ul li a {
  color: var(--color-body);
  font-size: 14px;
}

.sidebar-card ul li a:hover {
  color: var(--color-primary);
}

/* About page */
.page-hero {
  padding: var(--spacing-section) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.page-hero h1 {
  font-size: 56px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
}

.page-hero p {
  font-size: 18px;
  color: var(--color-body);
  max-width: 640px;
}

.page-body {
  padding: var(--spacing-section) 0;
}

.page-body h2 {
  font-size: 26px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-base);
  margin-top: var(--spacing-xxl);
}

.page-body h2:first-child {
  margin-top: 0;
}

.page-body p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
  max-width: 720px;
}

.page-body ul, .page-body ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-base);
  max-width: 720px;
}

.page-body li {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  max-width: 540px;
}

.form-group {
  margin-bottom: var(--spacing-base);
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
  width: 100%;
  background: var(--color-surface-card);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-md);
  padding: 12px 16px;
  height: 44px;
  font-size: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.form-group textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

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

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

.field-error {
  font-size: 13px;
  color: var(--color-error);
  margin-top: 4px;
  display: none;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 18px;
  height: 40px;
  border-radius: var(--rounded-md);
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}

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

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.form-success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--rounded-md);
  padding: var(--spacing-base);
  color: var(--color-success);
  font-size: 14px;
  display: none;
  margin-top: var(--spacing-base);
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--spacing-xxl);
}

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

.footer-brand span {
  color: var(--color-primary);
}

.footer-tagline {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 260px;
}

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

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

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

.footer-bottom {
  margin-top: var(--spacing-xxl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-hairline-soft);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--color-muted);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 48px);
  max-width: 700px;
  background: var(--color-ink);
  color: var(--color-canvas);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-lg) var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  z-index: 9999;
  box-shadow: none;
  border: 1px solid rgba(255,255,255,0.08);
}

.cookie-banner p {
  font-size: 14px;
  color: #d4d2c9;
  line-height: 1.5;
  flex: 1;
}

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

.cookie-buttons {
  display: flex;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

.btn-cookie-accept {
  background: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-cookie-reject {
  background: transparent;
  color: var(--color-canvas);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  border: 1px solid rgba(255,255,255,0.25);
  cursor: pointer;
  font-family: inherit;
}

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

.btn-cookie-reject:hover {
  border-color: rgba(255,255,255,0.5);
}

/* Disclaimer */
.disclaimer-bar {
  background: var(--color-surface-strong);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-hairline);
}

.disclaimer-bar p {
  font-size: 13px;
  color: var(--color-muted);
  text-align: center;
}

/* Breadcrumbs */
.breadcrumbs {
  padding: var(--spacing-base) 0;
  border-bottom: 1px solid var(--color-hairline-soft);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.breadcrumbs li {
  font-size: 14px;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.breadcrumbs li:not(:last-child)::after {
  content: '/';
  color: var(--color-muted-soft);
}

.breadcrumbs a {
  color: var(--color-muted);
  font-size: 14px;
}

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

/* Privacy/Terms pages */
.legal-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-ink);
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-sm);
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-base);
}

.legal-content ul {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-base);
}

.legal-content li {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-band h1 {
    font-size: 56px;
    letter-spacing: -1.5px;
  }

  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  .hero-band h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
  }

  .section-heading {
    font-size: 28px;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-canvas);
    border-bottom: 1px solid var(--color-hairline);
    padding: var(--spacing-base) var(--spacing-xl);
    gap: var(--spacing-base);
    z-index: 99;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-hamburger {
    display: flex;
  }

  .card-grid-3,
  .card-grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-base);
  }

  .article-hero h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
  }

  .page-hero h1 {
    font-size: 36px;
    letter-spacing: -0.72px;
  }

  .container {
    padding: 0 var(--spacing-base);
  }
}

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