@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;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--canvas);
  color: var(--body);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

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

ul, ol {
  list-style: none;
}

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

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

.top-nav .container {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.nav-wordmark {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  padding: 8px 12px;
  border-radius: 6px;
  transition: color 0.15s, background-color 0.15s;
}

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

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

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

.nav-hamburger svg {
  display: block;
}

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

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

.hero-content {}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background-color: var(--surface-strong);
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--ink);
  margin-bottom: 20px;
}

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

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

.hero-image {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.hero-image img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

/* SECTIONS */
.section-band {
  padding: 80px 0;
}

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

.section-header {
  margin-bottom: 48px;
}

.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-header h2 {
  font-size: 36px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.72px;
  color: var(--ink);
  margin-bottom: 12px;
}

.section-header p {
  font-size: 16px;
  color: var(--body);
  max-width: 540px;
}

/* ARTICLE CARDS */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.15s;
}

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

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

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

.article-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background-color: var(--surface-strong);
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 12px;
}

.article-card-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 8px;
}

.article-card-body p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--body);
  margin-bottom: 16px;
}

.article-card-meta {
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--hairline-soft);
  padding-top: 12px;
}

/* FEATURE GRID */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.feature-card-icon {
  width: 40px;
  height: 40px;
  background-color: var(--surface-strong);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--ink);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.4;
}

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

/* ARTICLE PAGE */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 64px;
  padding: 64px 0 80px;
}

.article-main {}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--hairline);
}

.article-header .article-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  background-color: var(--surface-strong);
  padding: 4px 10px;
  border-radius: 9999px;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 42px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 16px;
}

.article-header .article-meta {
  font-size: 14px;
  color: var(--muted);
}

.article-hero-image {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  margin-bottom: 40px;
}

.article-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-top: 40px;
  margin-bottom: 16px;
  line-height: 1.25;
}

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

.article-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 20px;
}

.article-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
}

.article-body ul li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 8px;
}

.article-body a {
  color: var(--ink);
  border-bottom: 1px solid var(--hairline-strong);
  transition: border-color 0.15s;
}

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

.article-sidebar {}

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

.sidebar-card h3 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.sidebar-card ul li {
  padding: 8px 0;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 14px;
  color: var(--body);
}

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

.sidebar-card ul li a {
  color: var(--ink);
  font-weight: 500;
}

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

/* PAGE CONTENT */
.page-layout {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 0 80px;
}

.page-layout h1 {
  font-size: 42px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--ink);
  margin-bottom: 12px;
  line-height: 1.15;
}

.page-meta {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--hairline);
}

.page-body h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--ink);
  margin-top: 48px;
  margin-bottom: 16px;
}

.page-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-top: 32px;
  margin-bottom: 12px;
}

.page-body p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 20px;
}

.page-body ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 20px;
}

.page-body ul li {
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  margin-bottom: 8px;
}

/* CONTACT FORM */
.contact-form {
  background-color: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 40px;
  max-width: 640px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--surface-card);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  height: 44px;
  transition: border-color 0.15s;
  outline: none;
}

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

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

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

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

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

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

.form-message {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  display: none;
}

.form-message.success {
  background-color: #e8f5f1;
  color: var(--semantic-success);
  border: 1px solid #b8dfd3;
  display: block;
}

.form-message.error {
  background-color: #fde8ed;
  color: var(--semantic-error);
  border: 1px solid #f5c2cc;
  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 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.6;
  margin-top: 12px;
  max-width: 260px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.88px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 8px;
}

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

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

.footer-bottom {
  border-top: 1px solid var(--hairline-soft);
  padding-top: 24px;
  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-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: 13px;
  color: var(--muted);
  transition: color 0.15s;
}

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--ink);
  color: var(--canvas);
  border-radius: 12px;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  z-index: 999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.15);
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner-text {
  flex: 1;
}

.cookie-banner-text p {
  font-size: 14px;
  line-height: 1.5;
  color: var(--canvas);
  margin-bottom: 4px;
}

.cookie-banner-text a {
  color: var(--muted-soft);
  border-bottom: 1px solid rgba(160,156,146,0.4);
}

.cookie-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  align-items: center;
  flex-wrap: wrap;
}

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

.btn-cookie-reject {
  background-color: transparent;
  color: var(--canvas-soft);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

/* BREADCRUMB */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hairline-soft);
  margin-bottom: 0;
}

.breadcrumb a {
  font-size: 14px;
  color: var(--muted);
  transition: color 0.15s;
}

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

.breadcrumb span {
  font-size: 14px;
  color: var(--muted-soft);
}

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

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 48px 0;
}

/* ABOUT PAGE */
.about-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--hairline);
}

.about-hero h1 {
  font-size: 52px;
  font-weight: 400;
  letter-spacing: -1.5px;
  color: var(--ink);
  margin-bottom: 20px;
  line-height: 1.1;
}

.about-hero p {
  font-size: 18px;
  line-height: 1.6;
  color: var(--body);
  max-width: 600px;
}

.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.two-col-grid img {
  border-radius: 12px;
  border: 1px solid var(--hairline);
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* LOADING SPINNER */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}

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

/* RESPONSIVE */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .footer-brand {
    grid-column: span 3;
  }
}

@media (max-width: 768px) {
  .hero-band .container {
    grid-template-columns: 1fr;
  }
  .hero-image {
    order: -1;
  }
  .hero-content h1 {
    font-size: 36px;
    letter-spacing: -0.5px;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    order: -1;
  }
  .two-col-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--canvas);
    border-bottom: 1px solid var(--hairline);
    flex-direction: column;
    padding: 12px;
    gap: 4px;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-hamburger {
    display: block;
    margin-left: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .cookie-banner {
    flex-direction: column;
    bottom: 16px;
    left: 16px;
    right: 16px;
  }
}

@media (max-width: 480px) {
  .section-header h2 {
    font-size: 28px;
  }
  .article-header h1 {
    font-size: 30px;
  }
  .page-layout h1 {
    font-size: 30px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-brand {
    grid-column: span 1;
  }
  .contact-form {
    padding: 24px;
  }
  .article-grid {
    grid-template-columns: 1fr;
  }
}