:root {
  color-scheme: dark;
  --bg: #050b10;
  --panel: rgba(9, 15, 20, 0.84);
  --panel-strong: rgba(10, 16, 22, 0.96);
  --panel-soft: rgba(255, 255, 255, 0.04);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --ink: #f5f2ea;
  --ink-soft: #8e9ca4;
  --accent: #9ef4da;
  --accent-strong: #ffd089;
  --danger: #ff987d;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shadow: 0 32px 90px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(158, 244, 218, 0.12), transparent 26%),
    radial-gradient(circle at 90% 10%, rgba(255, 208, 137, 0.12), transparent 18%),
    linear-gradient(180deg, #081118 0%, #050b10 40%, #04070b 100%);
}

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(100%, 1440px);
  margin: 0 auto;
  padding: 18px 16px 64px;
  display: grid;
  gap: 18px;
}

.hero-shell,
.results-shell,
.crawl-shell {
  display: grid;
  gap: 18px;
}

.stage-card,
.planner-card,
.canvas-card,
.runtime-card,
.assistant-card,
.crawl-card,
.option-card,
.component-card,
.runtime-section {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 18%), var(--panel);
  box-shadow: var(--shadow);
}

.stage-card,
.planner-card,
.canvas-card,
.runtime-card {
  overflow: hidden;
}

.crawl-shell {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top left, rgba(158, 244, 218, 0.08), transparent 24%),
    radial-gradient(circle at 90% 0%, rgba(255, 208, 137, 0.08), transparent 20%),
    var(--panel);
  box-shadow: var(--shadow);
}

.stage-card {
  position: relative;
  min-height: 620px;
  background:
    radial-gradient(circle at 20% 20%, rgba(158, 244, 218, 0.12), transparent 26%),
    radial-gradient(circle at 78% 16%, rgba(255, 208, 137, 0.14), transparent 22%),
    linear-gradient(180deg, #091018 0%, #050b10 100%);
}

.earth-globe {
  width: 100%;
  height: 620px;
}

.earth-globe canvas {
  display: block;
}

.earth-fade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 58%, transparent 20%, rgba(5, 11, 16, 0.2) 54%, rgba(5, 11, 16, 0.85) 92%),
    linear-gradient(180deg, rgba(5, 11, 16, 0.12), rgba(5, 11, 16, 0.88));
  pointer-events: none;
}

.stage-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px;
  pointer-events: none;
}

.stage-topbar,
.planner-topbar,
.results-topbar,
.canvas-topbar,
.section-inline {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
}

.stage-topbar button,
.planner-topbar button {
  pointer-events: auto;
}

.brand-chip,
.status-chip,
.metric-pill,
.rule-chip,
.ghost-button,
.primary-button,
.inline-link,
.micro-pill,
.saved-trip-button,
.provider-chip,
.summary-chip {
  border-radius: 999px;
}

.brand-chip,
.status-chip,
.metric-pill,
.provider-chip,
.summary-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand-chip {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stage-copy {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Syne", "Instrument Sans", sans-serif;
  letter-spacing: -0.05em;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 5rem);
  max-width: 10ch;
  line-height: 0.9;
}

h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  line-height: 1;
}

h3 {
  font-size: 1.2rem;
  line-height: 1;
}

.hero-status-row,
.metric-strip,
.option-grid,
.results-layout,
.component-grid,
.action-row,
.chip-stack,
.compact-list,
.day-strip,
.risk-strip,
.rule-list,
.field-grid {
  display: grid;
  gap: 12px;
}

.hero-status-row {
  grid-template-columns: repeat(2, max-content);
}

.micro-copy {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.45;
}

.metric-strip {
  grid-template-columns: repeat(auto-fit, minmax(120px, max-content));
}

.metric-pill {
  font-size: 0.95rem;
  color: var(--ink);
}

.price-chip {
  background: rgba(255, 208, 137, 0.14);
}

.planner-card,
.canvas-card,
.runtime-card {
  padding: 18px;
}

.planner-card,
.assistant-card,
.runtime-card,
.runtime-section,
.component-card {
  background: var(--panel-strong);
}

.planner-card {
  display: grid;
  gap: 18px;
}

.assistant-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.assistant-thread {
  display: grid;
  gap: 10px;
}

.assistant-bubble {
  max-width: 100%;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.45;
  border: 1px solid var(--line);
}

.assistant-bubble.is-atlas {
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
}

.assistant-bubble.is-user {
  justify-self: end;
  background: rgba(158, 244, 218, 0.12);
  border-color: rgba(158, 244, 218, 0.24);
  color: var(--ink);
}

.brief-field {
  display: grid;
  gap: 8px;
}

textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}

textarea:focus {
  border-color: rgba(158, 244, 218, 0.44);
  box-shadow: 0 0 0 4px rgba(158, 244, 218, 0.08);
}

.assistant-actions {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.quick-ask-strip {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(120px, max-content));
}

.quick-ask-button {
  padding-inline: 14px;
}

.planner-summary {
  grid-template-columns: repeat(auto-fit, minmax(132px, max-content));
}

.trip-form {
  display: grid;
  gap: 14px;
}

.form-intro {
  display: grid;
  gap: 6px;
}

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

.compact-grid {
  grid-template-columns: 0.85fr 1fr 1.15fr;
}

label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
}

input,
select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}

input:focus,
select:focus {
  border-color: rgba(158, 244, 218, 0.44);
  box-shadow: 0 0 0 4px rgba(158, 244, 218, 0.08);
}

.rule-block {
  display: grid;
  gap: 10px;
}

.rule-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--ink-soft);
}

.rule-list {
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
}

.rule-chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink-soft);
  padding: 11px 13px;
  text-align: left;
}

.rule-chip.is-active {
  color: var(--ink);
  border-color: rgba(158, 244, 218, 0.42);
  background: rgba(158, 244, 218, 0.12);
}

.primary-button,
.ghost-button,
.inline-link,
.saved-trip-button {
  border: 1px solid transparent;
  padding: 12px 16px;
  transition: 160ms ease;
}

.primary-button {
  background: var(--ink);
  color: #071015;
  font-weight: 700;
}

.ghost-button,
.inline-link,
.saved-trip-button {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
  color: var(--ink);
}

.preview-stack {
  display: grid;
  gap: 16px;
}

.crawl-intro,
.crawl-links {
  display: grid;
  gap: 12px;
}

.crawl-copy {
  margin: 0;
  max-width: 72ch;
  color: var(--ink-soft);
  line-height: 1.6;
}

.crawl-grid,
.link-grid {
  display: grid;
  gap: 14px;
}

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

.crawl-card,
.seo-link-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.crawl-card {
  display: grid;
  gap: 10px;
}

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

.seo-link-card {
  display: grid;
  gap: 8px;
  border: 1px solid var(--line);
  transition: 160ms ease;
}

.seo-link-card:hover {
  border-color: rgba(158, 244, 218, 0.32);
  background: rgba(158, 244, 218, 0.06);
}

.chip-stack {
  grid-template-columns: repeat(auto-fit, minmax(132px, max-content));
}

.summary-chip,
.provider-chip,
.saved-trip-button {
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line);
}

.saved-trip-button {
  text-align: left;
}

.results-topbar {
  align-items: end;
}

.option-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.option-card {
  padding: 14px;
  background: var(--panel-strong);
  border-radius: var(--radius-lg);
  cursor: pointer;
  display: grid;
  gap: 8px;
}

.option-card.is-active {
  border-color: rgba(158, 244, 218, 0.42);
  background: rgba(158, 244, 218, 0.08);
}

.option-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.option-price {
  font-size: 1.35rem;
  font-family: "Syne", sans-serif;
}

.results-layout {
  grid-template-columns: 1.5fr 0.92fr;
  align-items: start;
}

.canvas-card,
.runtime-card {
  display: grid;
  gap: 16px;
}

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

.risk-pill {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 152, 125, 0.08);
  border: 1px solid rgba(255, 152, 125, 0.18);
  color: var(--ink);
}

.component-card,
.runtime-section {
  padding: 16px;
  border-radius: var(--radius-lg);
}

.compact-list {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.list-card,
.day-card,
.share-box {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.list-card strong,
.day-card strong {
  display: block;
  margin-bottom: 4px;
}

.day-strip {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.action-row {
  grid-template-columns: repeat(auto-fit, minmax(140px, max-content));
}

.runtime-card {
  position: sticky;
  top: 16px;
}

.disabled-link {
  opacity: 0.45;
  pointer-events: none;
}

.share-box {
  color: var(--ink-soft);
  display: grid;
  gap: 10px;
}

.share-box strong {
  color: var(--ink);
}

.share-link {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.share-actions {
  align-items: center;
}

@media (min-width: 1040px) {
  .hero-shell {
    grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
    align-items: start;
  }
}

@media (max-width: 1039px) {
  .option-grid,
  .results-layout,
  .component-grid,
  .risk-strip,
  .crawl-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .runtime-card {
    position: static;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 14px 12px 42px;
  }

  .stage-card,
  .planner-card,
  .canvas-card,
  .runtime-card {
    border-radius: 24px;
  }

  .earth-globe {
    height: 500px;
  }

  .field-grid,
  .compact-grid,
  .hero-status-row,
  .assistant-actions {
    grid-template-columns: 1fr;
  }

  .metric-strip,
  .chip-stack,
  .action-row,
  .quick-ask-strip {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 9ch;
  }
}