/* ── Tokens ── */
:root {
  --zinc-50: #fafafa;
  --zinc-100: #f4f4f5;
  --zinc-200: #e4e4e7;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
  --zinc-950: #09090b;

  --background: #ffffff;
  --foreground: var(--zinc-950);
  --card: #ffffff;
  --card-border: var(--zinc-200);
  --muted-foreground: var(--zinc-600);
  --section-bg: var(--zinc-100);
  --section-border: var(--zinc-200);
  --badge-border: var(--zinc-300);
  --outline-border: var(--zinc-300);
  --outline-hover: var(--zinc-100);
  --avatar-bg: var(--zinc-200);
  --font-dot: var(--zinc-400);
  --font-name-color: var(--zinc-600);
  --font-more-color: var(--zinc-400);
  --font-label-color: var(--zinc-400);
  --footer-icon-bg: var(--zinc-100);
  --disclaimer-color: var(--zinc-400);
  --scrollbar-thumb: #b8a88a;
  --scrollbar-hover: #a69578;

  --radius: 0.375rem;
  --radius-lg: 0.75rem;
  --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --tracking-tight: -0.025em;
  --cream: #e9dfc9;
  --cream-hover: #f0e8d6;
  --ink: #1a1a1a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: var(--zinc-950);
    --foreground: var(--zinc-50);
    --card: var(--zinc-900);
    --card-border: var(--zinc-800);
    --muted-foreground: var(--zinc-400);
    --section-bg: var(--zinc-900);
    --section-border: var(--zinc-800);
    --badge-border: var(--zinc-700);
    --outline-border: var(--zinc-800);
    --outline-hover: var(--zinc-800);
    --avatar-bg: var(--zinc-800);
    --font-dot: var(--zinc-700);
    --font-name-color: var(--zinc-300);
    --font-more-color: var(--zinc-500);
    --font-label-color: var(--zinc-600);
    --footer-icon-bg: var(--zinc-50);
    --disclaimer-color: var(--zinc-600);
    --scrollbar-thumb: var(--cream);
    --scrollbar-hover: var(--cream-hover);
  }
}

:root[data-theme="dark"] {
  --background: var(--zinc-950);
  --foreground: var(--zinc-50);
  --card: var(--zinc-900);
  --card-border: var(--zinc-800);
  --muted-foreground: var(--zinc-400);
  --section-bg: var(--zinc-900);
  --section-border: var(--zinc-800);
  --badge-border: var(--zinc-700);
  --outline-border: var(--zinc-800);
  --outline-hover: var(--zinc-800);
  --avatar-bg: var(--zinc-800);
  --font-dot: var(--zinc-700);
  --font-name-color: var(--zinc-300);
  --font-more-color: var(--zinc-500);
  --font-label-color: var(--zinc-600);
  --footer-icon-bg: var(--zinc-50);
  --disclaimer-color: var(--zinc-600);
  --scrollbar-thumb: var(--cream);
  --scrollbar-hover: var(--cream-hover);
}

:root[data-theme="light"] {
  --background: #ffffff;
  --foreground: var(--zinc-950);
  --card: #ffffff;
  --card-border: var(--zinc-200);
  --muted-foreground: var(--zinc-600);
  --section-bg: var(--zinc-100);
  --section-border: var(--zinc-200);
  --badge-border: var(--zinc-300);
  --outline-border: var(--zinc-300);
  --outline-hover: var(--zinc-100);
  --avatar-bg: var(--zinc-200);
  --font-dot: var(--zinc-400);
  --font-name-color: var(--zinc-600);
  --font-more-color: var(--zinc-400);
  --font-label-color: var(--zinc-400);
  --footer-icon-bg: var(--zinc-100);
  --disclaimer-color: var(--zinc-400);
  --scrollbar-thumb: #b8a88a;
  --scrollbar-hover: #a69578;
}

/* ── Reset ── */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  min-height: 100vh;
}

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

/* ── Scrollbar ── */
@supports not selector(::-webkit-scrollbar) {
  * {
    scrollbar-color: var(--scrollbar-thumb) transparent;
  }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-hover);
}

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--background);
  border-bottom: 1px solid var(--section-border);
}

.navbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-logo {
  height: 40px;
  width: auto;
  display: block;
}

.nav-logo--dark {
  display: none;
}

.nav-logo--light {
  display: block;
}

@media (prefers-color-scheme: dark) {
  .nav-logo--dark {
    display: block;
  }

  .nav-logo--light {
    display: none;
  }
}

:root[data-theme="dark"] .nav-logo--dark {
  display: block;
}

:root[data-theme="dark"] .nav-logo--light {
  display: none;
}

:root[data-theme="light"] .nav-logo--dark {
  display: none;
}

:root[data-theme="light"] .nav-logo--light {
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}

.nav-link {
  font-size: 14px;
  color: var(--muted-foreground);
  transition: color 150ms;
}

.nav-link:hover {
  color: var(--foreground);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--section-border);
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  transition: background 150ms;
}

.theme-toggle:hover {
  background: var(--outline-hover);
}

.theme-toggle .icon-moon {
  display: none;
}

.theme-toggle .icon-sun {
  display: block;
}

@media (prefers-color-scheme: dark) {
  .theme-toggle .icon-moon {
    display: block;
  }

  .theme-toggle .icon-sun {
    display: none;
  }
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

:root[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 18px;
  background: var(--cream);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background 150ms;
}

.btn-cta:hover {
  background: var(--cream-hover);
}

/* ── Hero ── */
.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 32px 88px;
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: center;
}

.hero-text {
  flex: 1 1 420px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
}

.hero-visual {
  flex: 1 1 460px;
  min-width: 320px;
  display: flex;
  justify-content: center;
}

.badge-outline {
  display: inline-flex;
  align-items: center;
  padding: 2px 12px;
  border: 1px solid var(--badge-border);
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--foreground);
}

.hero h1 {
  font-size: 52px;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: 1.08;
}

.hero-desc {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted-foreground);
  max-width: 440px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 44px;
  padding: 0 26px;
  background: var(--cream);
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background 150ms;
}

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

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 44px;
  padding: 0 22px;
  border: 1px solid var(--outline-border);
  color: var(--foreground);
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background 150ms;
}

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

.fonts-preview {
  margin-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fonts-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--font-label-color);
}

.fonts-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

.fonts-list .font-name {
  font-size: 14px;
  color: var(--font-name-color);
}

.fonts-list .dot {
  color: var(--font-dot);
}

.fonts-list .more {
  font-size: 14px;
  color: var(--font-more-color);
}

/* ── Browser mockup (always dark) ── */
.browser-frame {
  position: relative;
  width: 100%;
  max-width: 560px;
}

.browser-window {
  border-radius: 14px;
  border: 1px solid var(--zinc-800);
  overflow: hidden;
  background: #0d1117;
}

.browser-bar {
  height: 40px;
  background: #161b22;
  border-bottom: 1px solid #21262d;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 8px;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.browser-dot--red {
  background: #ff5f57;
}

.browser-dot--yellow {
  background: #febc2e;
}

.browser-dot--green {
  background: #28c840;
}

.browser-url {
  flex: 1;
  display: flex;
  justify-content: center;
}

.browser-url span {
  background: #21262d;
  color: #7d8590;
  font-size: 11px;
  font-family: var(--font-mono);
  padding: 4px 14px;
  border-radius: 6px;
}

.code-area {
  display: flex;
  padding: 22px 0;
  min-height: 300px;
}

.line-numbers {
  padding: 0 18px;
  text-align: right;
  flex-shrink: 0;
  color: #484f58;
  font-size: 13px;
  font-family: var(--font-mono);
  line-height: 1.9;
  user-select: none;
}

.code-content {
  margin: 0;
  padding: 0 22px;
  border-left: 1px solid #21262d;
  color: #e6edf3;
  font-size: 13px;
  font-family: var(--font-mono);
  line-height: 1.9;
  white-space: pre;
  flex: 1;
}

/* ── Popup overlay (always light) ── */
.popup-overlay {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 196px;
  background: #ffffff;
  border: 1.5px solid #1a1a1a;
  overflow: hidden;
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
}

.popup-header {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 11px 13px;
  border-bottom: 1.5px solid #1a1a1a;
}

.popup-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  background: #eeeeee;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-icon img {
  width: 17px;
  height: auto;
  display: block;
}

.popup-title {
  font-size: 10.5px;
  font-weight: 700;
  color: #111;
  line-height: 1.2;
  white-space: nowrap;
}

.popup-badge {
  background: #1c1c1c;
  color: #fff;
  font-size: 7px;
  font-weight: 600;
  padding: 1.5px 6px;
  border-radius: 8px;
}

.popup-fields {
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.popup-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.popup-field--border {
  padding-bottom: 7px;
  border-bottom: 1px solid #ddd;
}

.popup-field-label {
  font-size: 8.5px;
  font-weight: 700;
  color: #111;
}

.popup-field-value {
  font-size: 11px;
  font-family: var(--font-mono);
}

.popup-field-value--green {
  color: #2f7a6f;
}

.popup-field-value--blue {
  color: #4a5fb0;
}

.popup-reset {
  background: #e9dfc9;
  padding: 8px;
  text-align: center;
  border-top: 1.5px solid #1a1a1a;
}

.popup-reset span {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #1a1a1a;
}

/* ── Features ── */
.features-section {
  background: var(--section-bg);
  border-top: 1px solid var(--section-border);
  border-bottom: 1px solid var(--section-border);
}

.features-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 32px;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.section-heading {
  margin: 10px 0 40px;
  font-size: 30px;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  max-width: 560px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card-body {
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-icon {
  font-size: 30px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.card-icon-small {
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--muted-foreground);
}

.card-icon-light {
  font-size: 26px;
  font-weight: 400;
  font-family: var(--font-mono);
  color: var(--muted-foreground);
}

.card-icon-bold {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.card-line {
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--zinc-500);
}

.card-title {
  font-size: 15px;
  font-weight: 600;
}

.card-desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--muted-foreground);
}

/* ── Reviews ── */
.reviews-section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 88px 32px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.review-body {
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100%;
}

.review-text {
  font-size: 14.5px;
  line-height: 1.6;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
}

.review-avatar {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--avatar-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.review-name {
  font-size: 13.5px;
  font-weight: 600;
}

.review-role {
  font-size: 12.5px;
  color: var(--muted-foreground);
}

/* ── CTA ── */
.cta-section {
  background: var(--section-bg);
  border-top: 1px solid var(--section-border);
  border-bottom: 1px solid var(--section-border);
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
}

.cta-inner p {
  font-size: 15.5px;
  color: var(--muted-foreground);
  max-width: 440px;
}

.cta-inner .btn-primary {
  margin-top: 8px;
}

/* ── Footer ── */
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  background: var(--footer-icon-bg);
  border: 1px solid var(--section-border);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

.footer-icon img {
  width: 15px;
  height: auto;
  display: block;
}

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

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-link {
  font-size: 13px;
  color: var(--muted-foreground);
  transition: color 150ms;
}

.footer-link:hover {
  color: var(--foreground);
}

.footer-credit {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px 16px;
  text-align: center;
}

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

.footer-disclaimer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px 32px;
  text-align: center;
}

.footer-disclaimer span {
  font-size: 12px;
  color: var(--disclaimer-color);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 36px;
  }

  .popup-overlay {
    display: none;
  }

  .hero {
    padding: 56px 20px 48px;
    gap: 32px;
  }

  .features-inner,
  .reviews-section {
    padding: 56px 20px;
  }

  .cta-inner {
    padding: 56px 20px;
  }

  .cta-inner h2 {
    font-size: 26px;
  }

  .navbar-inner {
    padding: 12px 20px;
  }

  .footer-inner {
    padding: 20px;
  }

  .footer-credit {
    padding: 0 20px 12px;
  }

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

  .section-heading {
    font-size: 24px;
  }
}