:root {
  --bg: #090909;
  --bg-soft: #111114;
  --panel: #15171c;
  --text: #f1f3f7;
  --muted: #a8afbd;
  --accent: #5eead4;
  --accent-soft: rgba(94, 234, 212, 0.14);
  --danger: #f87171;
  --line: #2a2f38;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  --max: 1100px;
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 20% 0%, #161a23, var(--bg) 45%);
  color: var(--text);
  line-height: 1.6;
}

h1,
h2,
h3 {
  font-family: "Newsreader", Georgia, serif;
  line-height: 1.15;
  margin: 0 0 var(--space-3);
}

h1 {
  font-size: clamp(2rem, 6vw, 4rem);
}
h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
}
h3 {
  font-size: clamp(1.2rem, 2.8vw, 1.45rem);
}

p {
  margin: 0 0 var(--space-4);
}

a {
  color: var(--accent);
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.section {
  padding-block: var(--space-6);
  border-top: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(9, 9, 9, 0.84);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
}

.nav-list {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.nav-list a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 0.5rem;
  padding: var(--space-2);
  gap: 4px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hero {
  padding-top: 5rem;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-size: 0.78rem;
  margin-bottom: var(--space-2);
}

.lead {
  font-size: clamp(1.05rem, 2.4vw, 1.28rem);
  max-width: 65ch;
  color: #d7dce8;
}

.lead-small {
  color: var(--muted);
  max-width: 70ch;
}

.hero-metrics {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-3);
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  padding: var(--space-3);
  box-shadow: var(--shadow);
}

.metric strong {
  font-size: 1.5rem;
  display: block;
}

.case-panel,
.timeline-wrap {
  display: grid;
  gap: var(--space-4);
}

.case-panel {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.case-panel article,
.timeline-detail {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: 0.8rem;
  padding: var(--space-4);
}

.journey-steps {
  display: grid;
  gap: var(--space-3);
}

.step {
  border: 1px solid var(--line);
  background: linear-gradient(110deg, var(--bg-soft), #10131a);
  border-radius: 0.8rem;
  padding: var(--space-4);
  position: relative;
}

.step::before {
  content: attr(data-step);
  position: absolute;
  top: -0.6rem;
  left: 1rem;
  background: var(--accent);
  color: #0b0e13;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 0.1rem 0.45rem;
  border-radius: 1rem;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 0.35rem 0.8rem;
  cursor: pointer;
}

.chip.active,
.chip:hover,
.chip:focus-visible {
  background: var(--accent-soft);
  color: var(--text);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: var(--space-4);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: #3a4453;
}

.badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: var(--space-3);
}

.badge {
  background: #1f2430;
  border: 1px solid #303948;
  color: var(--muted);
  border-radius: 0.35rem;
  font-size: 0.76rem;
  padding: 0.1rem 0.4rem;
}

.badge.warn {
  color: #fecaca;
  border-color: #7f1d1d;
  background: rgba(127, 29, 29, 0.2);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.timeline button {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-left: 4px solid transparent;
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 0.6rem;
  padding: var(--space-3);
  cursor: pointer;
}

.timeline button.active {
  border-left-color: var(--accent);
  background: #10151b;
}

.chart-block {
  margin-top: var(--space-5);
}

.chart {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0.7rem;
  align-items: end;
  min-height: 220px;
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--bg-soft);
}

.bar-group {
  display: grid;
  gap: 0.35rem;
}

.bar {
  border-radius: 0.4rem 0.4rem 0 0;
  min-height: 6px;
}

.bar.pressure {
  background: #38bdf8;
}

.bar.commitment {
  background: #34d399;
}

.bar-label {
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.expandables {
  display: grid;
  gap: var(--space-2);
}

.expandable {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  overflow: hidden;
  background: var(--bg-soft);
}

.expand-toggle {
  width: 100%;
  border: 0;
  color: var(--text);
  background: #11141a;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: 600;
  cursor: pointer;
}

.expand-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.expand-content p {
  margin: 0;
  padding: var(--space-3) var(--space-4) var(--space-4);
  color: #d6dae3;
}

.action-list {
  margin: 0 0 var(--space-4);
  padding-left: 1.1rem;
}

.cta {
  display: inline-block;
  text-decoration: none;
  color: #072d28;
  background: var(--accent);
  padding: 0.65rem 1rem;
  border-radius: 0.5rem;
  font-weight: 700;
}

.footer {
  border-top: 1px solid var(--line);
  padding-block: var(--space-4);
  color: var(--muted);
  font-size: 0.92rem;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (min-width: 860px) {
  .timeline-wrap {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .nav-list {
    position: absolute;
    right: 1rem;
    top: 4.1rem;
    background: #12151d;
    border: 1px solid var(--line);
    border-radius: 0.7rem;
    padding: var(--space-3);
    flex-direction: column;
    min-width: 210px;
    transform: scale(0.98);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
  }

  .nav-list.open {
    opacity: 1;
    pointer-events: auto;
  }
}