:root {
  --bg-1: #050914;
  --bg-2: #0d1830;
  --accent: #7df9c7;
  --accent-2: #7fc7ff;
  --text: #eef3ff;
  --muted: #9bb0d0;
  --panel: rgba(9, 16, 32, 0.78);
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.45);
  --glow: 0 0 36px rgba(125, 249, 199, 0.28);
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: "DM Sans", "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 12% 18%, rgba(125, 249, 199, 0.08), transparent 30%),
    radial-gradient(circle at 78% 16%, rgba(127, 199, 255, 0.08), transparent 32%),
    linear-gradient(140deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  overflow-x: hidden;
  letter-spacing: -0.01em;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 120px 70px, 120px 70px;
  opacity: 0.18;
  pointer-events: none;
}

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

h1, h2, h3 {
  margin: 0;
  font-family: "Space Grotesk", "DM Sans", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p { margin: 0; color: var(--muted); line-height: 1.6; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 36px;
  padding: 96px clamp(18px, 4vw, 72px) 48px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 700;
}

.lede { margin: 16px 0 24px; max-width: 60ch; }

.text-glow {
  display: inline-block;
  margin-left: 10px;
  padding: 6px 12px;
  border-radius: 12px;
  background: linear-gradient(120deg, rgba(125, 249, 199, 0.14), rgba(127, 199, 255, 0.14));
  border: 1px solid var(--border);
  box-shadow: var(--glow);
  font-family: "Space Grotesk", monospace;
  font-size: 14px;
}

.hero__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.meta-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 14px;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0 10px;
}

.btn {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 14px 18px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border 0.2s ease;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #051018;
  box-shadow: 0 14px 30px rgba(125, 249, 199, 0.36);
}

.btn:hover { transform: translateY(-2px) scale(1.01); box-shadow: var(--shadow), var(--glow); }
.btn:active { transform: translateY(0); }

.hero__note { color: var(--muted); max-width: 52ch; font-size: 14px; }

.hero__visual {
  position: relative;
  padding: 14px;
  border-radius: 22px;
  background: linear-gradient(160deg, rgba(125, 249, 199, 0.08), rgba(127, 199, 255, 0.12));
  box-shadow: var(--shadow);
}

.browser-frame {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(8, 14, 26, 0.95), rgba(11, 22, 40, 0.9));
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.browser-frame__top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.browser-dots { display: inline-flex; gap: 8px; }
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.28);
}
.dot--red { background: #ff6b6b; }
.dot--amber { background: #f6c344; }
.dot--green { background: #3fd598; }
.dot--accent { background: var(--accent); border-color: rgba(125, 249, 199, 0.6); }

.address-bar {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar { display: inline-flex; gap: 8px; color: var(--muted); }
.toolbar__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
}

.browser-tabs {
  display: flex;
  gap: 10px;
  padding: 10px 14px 6px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, rgba(125, 249, 199, 0.08), rgba(127, 199, 255, 0.08));
}

.tab {
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--muted);
  font-weight: 700;
  background: rgba(255, 255, 255, 0.06);
}

.tab.active {
  color: var(--text);
  border-color: rgba(125, 249, 199, 0.5);
  box-shadow: var(--glow);
}

.browser-body {
  display: grid;
  grid-template-columns: 1fr 0.42fr;
  gap: 14px;
  padding: 14px;
}

.browser-viewport {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  display: grid;
  gap: 12px;
}

.viewport__lead h3 { margin-top: 6px; }

.browser-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.browser-card-mini {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 6px;
  backdrop-filter: blur(6px);
}

.browser-card-mini__head {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  font-family: "Space Grotesk", monospace;
  font-size: 12px;
  color: var(--muted);
}

.badge--year { color: var(--accent); border-color: rgba(125, 249, 199, 0.6); }

.browser-sidebar {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 10px;
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.mini-progress {
  display: grid;
  gap: 6px;
}

.mini-progress span {
  display: block;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: 0.8;
  box-shadow: var(--glow);
}

.timeline {
  padding: 32px clamp(18px, 4vw, 72px) 68px;
}

.timeline__head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  flex-wrap: wrap;
  max-width: 1180px;
  margin: 0 auto 24px;
}

.timeline__note { max-width: 40ch; }

.timeline__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.browser-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  min-height: 200px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, border 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
  opacity: 0.9;
  transform: translateY(8px);
}

.browser-card::before {
  content: attr(data-year);
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: "Space Grotesk", monospace;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.16);
}

.browser-card:hover {
  transform: translateY(-4px) scale(1.01);
  border-color: rgba(125, 249, 199, 0.7);
  box-shadow: var(--shadow), var(--glow);
  opacity: 1;
}

.browser-card.visible { opacity: 1; transform: translateY(0); }

.browser-card__row { display: flex; gap: 8px; flex-wrap: wrap; }

.browser-card__meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.cell-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.cell-link::after { content: "→"; font-size: 14px; transition: transform 0.2s ease; }
.browser-card:hover .cell-link::after { transform: translateX(4px); }

.focus {
  padding: 10px clamp(18px, 4vw, 72px) 72px;
}

.focus__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.focus__card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.footer {
  padding: 20px clamp(18px, 4vw, 72px) 36px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
}

.footer__brand { font-weight: 700; letter-spacing: 0.04em; color: var(--accent); }
.footer__meta { display: flex; gap: 12px; flex-wrap: wrap; }

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.08) 1px,
    transparent 1px,
    transparent 4px
  );
  mix-blend-mode: soft-light;
  opacity: 0.4;
  transition: opacity 0.25s ease;
  z-index: 0;
}

.stars {
  position: fixed;
  inset: 0;
  background: radial-gradient(1px 1px at 10% 20%, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 70% 40%, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(255, 255, 255, 0.4), transparent);
  opacity: 0.28;
  pointer-events: none;
  filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.2));
  transition: transform 0.2s ease;
  z-index: 0;
}

.aurora {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(600px 400px at 20% 30%, rgba(125, 249, 199, 0.18), transparent 50%),
    radial-gradient(500px 380px at 80% 20%, rgba(127, 199, 255, 0.12), transparent 40%),
    radial-gradient(800px 500px at 50% 90%, rgba(125, 249, 199, 0.08), transparent 40%);
  filter: blur(32px);
  opacity: 0.85;
  transition: transform 0.2s ease;
  z-index: 0;
}

/* Detalle de tema */
.detail-hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 86px clamp(18px, 4vw, 72px) 32px;
  display: grid;
  gap: 14px;
  position: relative;
  z-index: 1;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.detail-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 6px;
}

.detail-article {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px clamp(18px, 4vw, 72px) 80px;
  display: grid;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.detail-section {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.section-title { font-size: clamp(22px, 3vw, 30px); color: var(--text); }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.info-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 6px;
}

.info-card strong { color: var(--text); }
.link-card {
  text-decoration: none;
  color: inherit;
  transition: border 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.link-card:hover {
  border-color: rgba(125, 249, 199, 0.6);
  box-shadow: var(--shadow), var(--glow);
  transform: translateY(-2px);
}

.callout {
  border: 1px solid rgba(125, 249, 199, 0.5);
  background: rgba(125, 249, 199, 0.08);
  border-radius: 14px;
  padding: 14px;
  color: var(--text);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 4px;
}

.badge-line {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.taglist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.timeline-list li {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  gap: 6px;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 10px;
}

.fact {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.03);
}

.table-spec {
  display: grid;
  grid-template-columns: 0.6fr 1.4fr;
  gap: 10px;
}

.table-spec__row {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.02);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 10px;
}

.table-spec__label {
  font-family: "Space Grotesk", monospace;
  color: var(--accent-2);
  font-size: 13px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #051018;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.back-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow), var(--glow); }
.back-btn:active { transform: translateY(0); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; padding-top: 74px; }
}

@media (max-width: 640px) {
  .hero, .timeline, .focus { padding-inline: 16px; }
  .timeline__head { flex-direction: column; align-items: flex-start; }
  .hero__meta { gap: 8px; }
  .timeline__grid { grid-template-columns: 1fr; }
}