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

:root {
  --color-primary: #f54e00;
  --color-primary-active: #d04200;
  --color-canvas: #f7f7f4;
  --color-canvas-soft: #fafaf7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #e6e5e0;
  --color-hairline: #e6e5e0;
  --color-hairline-soft: #efeee8;
  --color-hairline-strong: #cfcdc4;
  --color-ink: #26251e;
  --color-body: #5a5852;
  --color-body-strong: #26251e;
  --color-muted: #807d72;
  --color-muted-soft: #a09c92;
  --color-on-primary: #ffffff;
  --color-success: #1f8a65;
  --color-error: #cf2d56;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;
  --font-sans: 'Inter', system-ui, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --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 { scroll-behavior: smooth; }

body {
  background: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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);
}

/* NAV */
.site-nav {
  background: var(--color-canvas);
  border-bottom: 1px solid var(--color-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-logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: -0.01em;
}

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

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

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-body);
  line-height: 1.4;
  transition: color 0.15s;
}

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

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

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

/* HERO */
.hero {
  padding: var(--spacing-section) 0;
  background: var(--color-canvas);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}

.hero-label {
  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-md);
}

.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);
}

.hero-desc {
  font-size: 18px;
  color: var(--color-body);
  line-height: 1.6;
  max-width: 480px;
  margin-bottom: var(--spacing-xl);
}

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

.hero-img-wrap {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
  background: var(--color-surface-card);
}

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

/* SECTIONS */
section { padding: var(--spacing-section) 0; }

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

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

.section-desc {
  font-size: 16px;
  color: var(--color-body);
  line-height: 1.5;
  max-width: 640px;
}

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

/* ARTICLE CARDS GRID */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

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

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

.article-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-surface-strong);
}

.article-card-body {
  padding: var(--spacing-lg);
}

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

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

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

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

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

/* FEATURES GRID */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xxl);
}

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

.feature-icon {
  width: 40px;
  height: 40px;
  background: var(--color-canvas);
  border-radius: var(--rounded-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-base);
  border: 1px solid var(--color-hairline);
  font-size: 20px;
}

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

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

/* ARTICLE PAGE */
.article-header {
  padding: var(--spacing-section) 0 var(--spacing-xxl);
}

.article-header-inner {
  max-width: 800px;
  margin: 0 auto;
}

.article-header h1 {
  font-size: 44px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -1px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-lg);
}

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

.article-featured-img {
  width: 100%;
  max-height: 460px;
  object-fit: cover;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xxl) 0;
}

.article-content h2 {
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.5px;
  color: var(--color-ink);
  margin: var(--spacing-xxl) 0 var(--spacing-base);
}

.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
}

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

.article-content ul, .article-content ol {
  margin: var(--spacing-base) 0 var(--spacing-base) var(--spacing-xl);
  color: var(--color-body);
  font-size: 16px;
  line-height: 1.7;
}

.article-content li { margin-bottom: var(--spacing-xs); }

.article-content a {
  color: var(--color-primary);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}

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

.article-content strong { color: var(--color-ink); font-weight: 600; }

.article-content .info-box {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--rounded-md);
  padding: var(--spacing-base) var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.article-content .info-box p { margin-bottom: 0; }

.article-content .data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  font-size: 14px;
}

.article-content .data-table th {
  background: var(--color-surface-strong);
  color: var(--color-ink);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-base);
  text-align: left;
  border: 1px solid var(--color-hairline);
}

.article-content .data-table td {
  padding: var(--spacing-sm) var(--spacing-base);
  border: 1px solid var(--color-hairline);
  color: var(--color-body);
  background: var(--color-surface-card);
}

.article-content .data-table tr:hover td {
  background: var(--color-canvas-soft);
}

/* BREADCRUMB */
.breadcrumb {
  padding: var(--spacing-base) 0;
  font-size: 13px;
  color: var(--color-muted);
}

.breadcrumb a { color: var(--color-muted); }
.breadcrumb a:hover { color: var(--color-ink); }
.breadcrumb span { margin: 0 var(--spacing-xs); }

/* PAGE CONTENT (about, privacy, terms) */
.page-header {
  padding: var(--spacing-section) 0 var(--spacing-xl);
  border-bottom: 1px solid var(--color-hairline);
}

.page-header h1 {
  font-size: 44px;
  font-weight: 400;
  letter-spacing: -1px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-base);
}

.page-header p {
  font-size: 18px;
  color: var(--color-muted);
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-section) 0;
}

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

.page-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin: var(--spacing-xl) 0 var(--spacing-sm);
}

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

.page-content ul, .page-content ol {
  margin: var(--spacing-base) 0 var(--spacing-base) var(--spacing-xl);
  color: var(--color-body);
  line-height: 1.7;
}

.page-content li { margin-bottom: var(--spacing-xs); }

/* CONTACT FORM */
.contact-section {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl);
  margin-top: var(--spacing-section);
}

.contact-section h2 {
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.325px;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.contact-section .contact-desc {
  font-size: 14px;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xxl);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-base);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group.full { grid-column: 1 / -1; }

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

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

.form-group textarea {
  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);
}

.form-error-msg {
  font-size: 13px;
  color: var(--color-error);
  display: none;
}

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

.btn-submit {
  margin-top: var(--spacing-base);
  background: var(--color-ink);
  color: var(--color-canvas);
  border: none;
  border-radius: var(--rounded-md);
  padding: 12px 20px;
  height: 44px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

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

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

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

/* FOOTER */
.site-footer {
  background: 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);
  margin-bottom: var(--spacing-xxl);
}

.footer-brand-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--spacing-base);
}

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

.footer-brand-desc {
  font-size: 14px;
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 260px;
}

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

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

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

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

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

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

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

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

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

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: var(--color-canvas);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-base) var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  max-width: 700px;
  width: calc(100% - 64px);
  z-index: 999;
  box-shadow: 0 4px 24px rgba(38,37,30,0.15);
}

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

.cookie-banner a { color: var(--color-primary); }

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

.btn-cookie-accept {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--rounded-md);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background 0.15s;
}

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

.btn-cookie-reject {
  background: transparent;
  color: var(--color-canvas);
  border: 1px solid rgba(247,247,244,0.3);
  border-radius: var(--rounded-md);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: border-color 0.15s;
}

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

.cookie-hidden { display: none !important; }

/* ABOUT PAGE SPECIFIC */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
  margin: var(--spacing-xxl) 0;
}

.about-img-wrap {
  border-radius: var(--rounded-lg);
  overflow: hidden;
  border: 1px solid var(--color-hairline);
}

.about-img-wrap img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    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);
  }
  .nav-hamburger { display: flex; }
  .site-nav { position: relative; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero h1 { font-size: 36px; }
  .hero-img-wrap { display: none; }
  .articles-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cookie-banner { flex-direction: column; align-items: flex-start; bottom: 0; left: 0; right: 0; transform: none; width: 100%; border-radius: var(--rounded-lg) var(--rounded-lg) 0 0; }
  .section-title { font-size: 28px; }
  .article-header h1 { font-size: 32px; }
  .contact-section { padding: var(--spacing-xl); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--spacing-base); }
  .hero h1 { font-size: 28px; letter-spacing: -0.5px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}