:root {
  color-scheme: only light;
  --ink: #1c1a17;
  --ink-muted: #49443d;
  --accent: #d24b2a;
  --accent-dark: #b63f22;
  --accent-2: #2f7b5a;
  --surface: #fbf4e6;
  --surface-2: #fffaf2;
  --border: #e5d9c7;
  --shadow: 0 18px 40px rgba(28, 26, 23, 0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --font-display: "Baskerville", "Palatino Linotype", "Book Antiqua", serif;
  --font-body: "Garamond", "Georgia", serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: radial-gradient(circle at top right, rgba(210, 75, 42, 0.08), transparent 55%),
    radial-gradient(circle at 15% 20%, rgba(47, 123, 90, 0.15), transparent 45%),
    var(--surface);
  line-height: 1.6;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--ink);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 10;
}

.skip-link:focus {
  left: 10px;
}

.shell {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 244, 230, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .shell {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px 0;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
  font-family: var(--font-display);
}

.brand-title {
  font-weight: 700;
  margin: 0;
  font-family: var(--font-display);
}

.brand-subtitle {
  margin: 2px 0 0;
  font-size: 0.95rem;
  color: var(--ink-muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.95rem;
}

.site-nav a {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

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

.hero {
  display: grid;
  gap: 24px;
  padding: 54px 0 30px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  margin: 12px 0;
  line-height: 1.05;
}

.hero-content .lead {
  font-size: 1.1rem;
  color: var(--ink-muted);
}

.hero-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-card h2 {
  margin-top: 0;
}

.meta-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--accent-2);
  font-weight: 700;
  margin: 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(210, 75, 42, 0.12);
  color: var(--accent-dark);
  font-size: 0.82rem;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

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

.btn.ghost {
  background: transparent;
  border-color: var(--ink);
}

.btn.ghost:hover {
  transform: translateY(-1px);
}

.section {
  padding: 40px 0 10px;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  margin: 8px 0 10px;
}

.section-header p {
  max-width: 620px;
  color: var(--ink-muted);
}

.grid-2,
.grid-3 {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.stack {
  display: grid;
  gap: 18px;
}

.card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 20px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.card h3 {
  margin-top: 0;
  font-family: var(--font-display);
}

.card.highlight {
  background: linear-gradient(140deg, rgba(210, 75, 42, 0.18), rgba(47, 123, 90, 0.12));
}

.card .muted {
  color: var(--ink-muted);
}

.card .quote {
  font-style: italic;
  margin: 12px 0;
}

.link {
  color: var(--accent-dark);
  font-weight: 600;
}

.table {
  display: grid;
  gap: 10px;
  font-size: 0.95rem;
  overflow-x: auto;
}

.table-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 0.5fr 0.6fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
  min-width: 420px;
}

.table-head {
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.video-grid {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.video-card {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  display: grid;
  gap: 6px;
  transition: transform 0.15s ease;
}

.video-card:hover {
  transform: translateY(-2px);
}

.tech-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.tech-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin: 0;
}

.tech-card img {
  width: 100%;
  height: auto;
  display: block;
  padding: 18px;
  background: #fff;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(28, 26, 23, 0.08);
  box-sizing: border-box;
  cursor: zoom-in;
}

.tech-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1000;
}

.tech-modal.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.tech-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.65);
}

.tech-modal-content {
  position: relative;
  width: min(100%, 1100px);
  max-height: 90vh;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 16px;
  display: grid;
  gap: 12px;
  z-index: 1;
}

.tech-modal-content img {
  width: 100%;
  height: auto;
  max-height: calc(90vh - 80px);
  object-fit: contain;
  background: #fff;
}

.tech-modal-close {
  justify-self: end;
}

.two-col {
  columns: 2;
  gap: 12px;
}

.numbers {
  display: grid;
  gap: 12px;
}

.activity {
  position: relative;
  overflow: hidden;
}

.input {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  width: 100%;
  font-family: inherit;
}

.flashcard {
  position: relative;
  height: 180px;
  margin: 14px 0;
  perspective: 800px;
}

.flashcard-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #fff;
  backface-visibility: hidden;
  transition: transform 0.4s ease;
}

.flashcard-face[data-flashcard-back] {
  transform: rotateY(180deg);
  background: rgba(47, 123, 90, 0.08);
}

.flashcard.is-flipped .flashcard-face[data-flashcard-front] {
  transform: rotateY(180deg);
}

.flashcard.is-flipped .flashcard-face[data-flashcard-back] {
  transform: rotateY(360deg);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.quiz-options {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.quiz-options .btn {
  width: 100%;
  justify-content: flex-start;
  text-align: left;
}

.checklist,
.tracker {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist input,
.tracker input {
  margin-right: 10px;
}

.site-footer {
  padding: 30px 0 50px;
  color: var(--ink-muted);
}

.cookie-banner {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  background: rgba(255, 250, 242, 0.98);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
  transition: all 0.25s ease;
  z-index: 999;
}

.cookie-banner.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.cookie-content {
  display: grid;
  gap: 14px;
}

.cookie-content h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
}

.cookie-content p {
  margin: 0;
  color: var(--ink-muted);
}

.cookie-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: all 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 720px) {
  .site-header .shell {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .hero {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
  }

  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .numbers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .video-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tech-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cookie-content {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 960px) {
  .video-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tech-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}