/* TortPedia — Databricks landing page
   Design tokens from DESIGN.md (Dropbox-inspired) */

:root {
  --dbx-blue: #0061fe;
  --dbx-blue-hover: #004dc7;
  --dbx-blue-light: #b4d1ff;
  --dbx-blue-wash: #f2f7ff;
  --dbx-canvas: #f7f5f2;
  --dbx-canvas-white: #ffffff;
  --dbx-ink: #1e1919;
  --dbx-ink-soft: #44403d;
  --dbx-muted: #736c64;
  --dbx-muted-strong: #5b5650;
  --dbx-surface: #ffffff;
  --dbx-surface-soft: #ebe9e6;
  --dbx-surface-dark: #1e1919;
  --dbx-surface-dark-elevated: #2d2b29;
  --dbx-border: #d3cec9;
  --dbx-border-soft: #ebe9e6;
  --brand-yellow: #fad24b;
  --brand-lime: #b4dc19;
  --brand-orange: #fa551e;
  --brand-pink: #c0154c;
  --brand-purple: #c8aff0;
  --success: #0f503c;

  --font-display: "Sharp Grotesk", SharpGrotesk, "Atlas Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Atlas Grotesk Web", "Atlas Grotesk", AtlasGrotesk, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  --r-pill: 9999px;

  --space-section: 96px;
  --space-hero: 128px;
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  color: var(--dbx-ink);
  background: var(--dbx-canvas);
  -webkit-font-smoothing: antialiased;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--dbx-blue);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  z-index: 200;
  padding: 12px 16px;
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  border-radius: var(--r-md);
  font-weight: 500;
}

.skip-link:focus {
  top: 16px;
}

.container {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--dbx-canvas-white);
  border-bottom: 1px solid var(--dbx-border-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--dbx-muted-strong);
}

.nav-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  background: var(--dbx-blue);
  display: grid;
  place-items: center;
  color: var(--dbx-canvas-white);
  font-size: 13px;
  font-weight: 600;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 16px;
}

.nav-links a {
  color: var(--dbx-ink);
  transition: color 0.15s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-md);
  background: var(--dbx-surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--dbx-ink);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--dbx-canvas-white);
  border-bottom: 1px solid var(--dbx-border);
  padding: 16px;
  box-shadow: 0 12px 32px rgba(30, 25, 25, 0.08);
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-menu li + li {
  border-top: 1px solid var(--dbx-border-soft);
}

.mobile-menu a {
  display: block;
  padding: 14px 8px;
  color: var(--dbx-ink);
}

.mobile-menu .btn-primary {
  margin-top: 12px;
  width: 100%;
  text-align: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--r-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.15s;
  white-space: nowrap;
}

.btn-primary {
  padding: 16px 24px;
  background: var(--dbx-blue);
  color: var(--dbx-canvas);
  border-color: var(--dbx-blue);
}

.btn-primary:hover {
  background: var(--dbx-blue-hover);
  border-color: var(--dbx-blue-hover);
}

.btn-secondary {
  padding: 14px 22px;
  background: transparent;
  color: var(--dbx-ink);
  border-color: transparent;
}

.btn-secondary:hover {
  color: var(--dbx-blue);
}

.btn-on-dark {
  padding: 14px 22px;
  background: transparent;
  color: var(--dbx-canvas);
  border-color: rgba(247, 245, 242, 0.35);
}

.btn-on-dark:hover {
  border-color: var(--dbx-canvas);
  background: rgba(255, 255, 255, 0.06);
}

.btn-arrow::after {
  content: "→";
  font-size: 18px;
  line-height: 1;
}

/* Hero */
.hero {
  padding: 48px 0 64px;
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dbx-muted);
}

.hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--dbx-ink);
}

.hero-title .brand-name {
  display: block;
  color: var(--dbx-blue);
}

.hero-lead {
  margin: 0 0 28px;
  max-width: 540px;
  font-size: clamp(18px, 2.5vw, 20px);
  line-height: 1.5;
  color: var(--dbx-ink-soft);
}

.hero-benefits {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.hero-benefits li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  color: var(--dbx-ink-soft);
}

.hero-benefits li::before {
  content: "";
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: var(--r-pill);
  background: var(--dbx-blue-wash);
  border: 2px solid var(--dbx-blue-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230061FE'%3E%3Cpath d='M6.5 11.5L3 8l1-1 2.5 2.5L12 4l1 1-6.5 6.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* Product mockup */
.mockup-stack {
  position: relative;
  min-height: 320px;
}

.mockup-desktop {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-xl);
  box-shadow: 0 24px 48px rgba(30, 25, 25, 0.1);
  overflow: hidden;
}

.mockup-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--dbx-surface-soft);
  border-bottom: 1px solid var(--dbx-border-soft);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dot:nth-child(1) { background: var(--brand-orange); }
.mockup-dot:nth-child(2) { background: var(--brand-yellow); }
.mockup-dot:nth-child(3) { background: var(--brand-lime); }

.mockup-title {
  margin-left: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--dbx-muted);
}

.mockup-body {
  display: grid;
  grid-template-columns: 140px 1fr;
  min-height: 260px;
}

.mockup-sidebar {
  padding: 16px 12px;
  background: var(--dbx-blue-wash);
  border-right: 1px solid var(--dbx-border-soft);
}

.mockup-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 4px;
  border-radius: var(--r-md);
  font-size: 12px;
  color: var(--dbx-muted-strong);
}

.mockup-nav-item.active {
  background: var(--dbx-surface);
  color: var(--dbx-blue);
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(30, 25, 25, 0.06);
}

.mockup-nav-icon {
  width: 16px;
  height: 16px;
  border-radius: var(--r-xs);
  background: var(--dbx-blue-light);
}

.mockup-main {
  padding: 20px;
}

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.mockup-stat {
  padding: 12px;
  background: var(--dbx-canvas);
  border: 1px solid var(--dbx-border-soft);
  border-radius: var(--r-md);
}

.mockup-stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--dbx-muted);
  margin-bottom: 4px;
}

.mockup-stat-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-ink);
}

.mockup-chart {
  height: 80px;
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--dbx-blue-wash) 0%, var(--dbx-surface) 100%);
  border: 1px solid var(--dbx-border-soft);
  position: relative;
  overflow: hidden;
}

.mockup-chart-bars {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 0 12px 8px;
  height: 100%;
}

.mockup-bar {
  flex: 1;
  border-radius: var(--r-xs) var(--r-xs) 0 0;
  background: var(--dbx-blue);
  opacity: 0.85;
}

.mockup-bar:nth-child(2) { height: 55%; background: var(--brand-lime); opacity: 1; }
.mockup-bar:nth-child(3) { height: 75%; }
.mockup-bar:nth-child(4) { height: 45%; background: var(--brand-purple); opacity: 0.7; }
.mockup-bar:nth-child(5) { height: 90%; }
.mockup-bar:nth-child(6) { height: 60%; background: var(--brand-orange); opacity: 0.8; }

.mockup-mobile {
  position: absolute;
  bottom: -16px;
  right: -8px;
  width: 140px;
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  box-shadow: 0 16px 32px rgba(30, 25, 25, 0.12);
  overflow: hidden;
}

.mockup-mobile-header {
  padding: 10px 12px;
  background: var(--dbx-surface-dark);
  color: var(--dbx-canvas);
  font-size: 11px;
  font-weight: 500;
}

.mockup-mobile-body {
  padding: 12px;
}

.mockup-agent-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  margin-bottom: 6px;
  background: var(--dbx-blue-wash);
  border-radius: var(--r-sm);
  font-size: 10px;
}

.mockup-agent-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

/* Trust strip */
.trust-strip {
  padding: 32px 0;
  background: var(--dbx-surface);
  border-top: 1px solid var(--dbx-border-soft);
  border-bottom: 1px solid var(--dbx-border-soft);
}

.trust-inner {
  text-align: center;
}

.trust-quote {
  margin: 0 0 24px;
  font-size: 15px;
  color: var(--dbx-muted);
}

.logo-rail {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 24px 40px;
}

.logo-item {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--dbx-muted-strong);
  opacity: 0.7;
  letter-spacing: -0.01em;
}

/* Sections */
.section {
  padding: var(--space-section) 0;
}

.section-label {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dbx-blue);
}

.section-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 640px;
}

.section-lead {
  margin: 0 0 32px;
  max-width: 560px;
  font-size: 18px;
  color: var(--dbx-ink-soft);
}

/* Feature blocks */
.feature-block {
  display: grid;
  gap: 48px;
  align-items: center;
  margin-bottom: var(--space-section);
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-block.reverse .feature-copy {
  order: 2;
}

.feature-block.reverse .feature-media {
  order: 1;
}

.feature-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  padding: 24px;
}

.feature-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  font-size: 18px;
}

.feature-card-icon.blue { background: var(--dbx-blue-wash); color: var(--dbx-blue); }
.feature-card-icon.lime { background: #eef8d4; color: #5a7a00; }
.feature-card-icon.orange { background: #fff0ea; color: var(--brand-orange); }
.feature-card-icon.purple { background: #f3edfc; color: #7c5cad; }

.feature-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.3;
}

.feature-card p {
  margin: 0 0 16px;
  color: var(--dbx-ink-soft);
  font-size: 16px;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  color: var(--dbx-blue);
}

.feature-link:hover {
  color: var(--dbx-blue-hover);
}

.feature-link::after {
  content: "→";
}

/* Platform grid */
.platform-grid {
  display: grid;
  gap: 16px;
}

.platform-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color 0.15s;
}

.platform-card:hover {
  border-color: var(--dbx-blue-light);
}

.platform-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
}

.platform-card p {
  margin: 0;
  font-size: 15px;
  color: var(--dbx-ink-soft);
}

/* Dark security section */
.security-panel {
  background: var(--dbx-surface-dark);
  color: var(--dbx-canvas);
  border-radius: var(--r-xl);
  padding: 48px 32px;
}

.security-panel .section-label {
  color: var(--dbx-blue-light);
}

.security-panel .section-title {
  color: var(--dbx-canvas);
}

.security-panel .section-lead {
  color: rgba(247, 245, 242, 0.82);
}

.security-grid {
  display: grid;
  gap: 24px;
  margin-top: 40px;
}

.security-item {
  padding: 24px;
  background: var(--dbx-surface-dark-elevated);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.security-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
}

.security-item p {
  margin: 0;
  font-size: 15px;
  color: rgba(247, 245, 242, 0.75);
}

.security-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

/* Innovation cards */
.innovation-grid {
  display: grid;
  gap: 16px;
}

.innovation-card {
  background: var(--dbx-surface);
  border: 1px solid var(--dbx-border);
  border-radius: var(--r-lg);
  padding: 28px 24px;
}

.innovation-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
}

.innovation-card p {
  margin: 0;
  color: var(--dbx-ink-soft);
  font-size: 15px;
}

/* Final CTA */
.final-cta {
  text-align: center;
  padding: var(--space-section) 0;
  background: var(--dbx-blue-wash);
  border-top: 1px solid var(--dbx-blue-light);
}

.final-cta .section-title {
  margin-inline: auto;
}

.final-cta .section-lead {
  margin-inline: auto;
  margin-bottom: 28px;
}

/* Footer */
.site-footer {
  background: var(--dbx-surface-dark);
  color: rgba(247, 245, 242, 0.75);
  padding: 48px 0 32px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  color: var(--dbx-canvas);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  max-width: 320px;
}

.footer-col h4 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 500;
  color: var(--dbx-canvas);
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li + li {
  margin-top: 8px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(247, 245, 242, 0.65);
  transition: color 0.15s;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(247, 245, 242, 0.5);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}

/* Responsive */
@media (min-width: 640px) {
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    display: flex;
  }

  .mobile-menu {
    display: none !important;
  }

  .hero {
    padding: var(--space-hero) 0 80px;
  }

  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }

  .feature-block {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .platform-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .security-panel {
    padding: 64px 56px;
  }

  .mockup-mobile {
    right: -24px;
    width: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .platform-card {
    transition: none;
  }
}