:root {
  color-scheme: dark;
  --bg: #060812;
  --panel: rgba(13, 18, 32, 0.78);
  --panel-strong: rgba(16, 24, 44, 0.92);
  --panel-border: rgba(146, 185, 255, 0.18);
  --text: #edf3ff;
  --muted: #aab7d6;
  --accent: #74d4ff;
  --accent-strong: #2be3b8;
  --accent-warm: #f9cc67;
  --danger: #ff8d8d;
  --shadow: 0 32px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Inter, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(78, 141, 255, 0.25), transparent 28rem),
    radial-gradient(circle at top right, rgba(43, 227, 184, 0.18), transparent 24rem),
    linear-gradient(180deg, #060812 0%, #090d18 52%, #04070f 100%);
}

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

.page-shell {
  position: relative;
  overflow: clip;
}

.ambient {
  position: absolute;
  inset: auto;
  width: 28rem;
  height: 28rem;
  filter: blur(48px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-a {
  top: 5rem;
  left: -10rem;
  background: radial-gradient(circle, rgba(116, 212, 255, 0.42), transparent 65%);
}

.ambient-b {
  top: 20rem;
  right: -12rem;
  background: radial-gradient(circle, rgba(43, 227, 184, 0.26), transparent 65%);
}

.content {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 4rem;
}

.surface {
  background: linear-gradient(180deg, rgba(17, 24, 43, 0.88), rgba(10, 16, 29, 0.84));
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.9fr);
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  border-radius: var(--radius-xl);
}

.eyebrow-row,
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
}

.eyebrow {
  color: var(--accent);
  background: rgba(116, 212, 255, 0.12);
}

.status-pill {
  color: var(--accent-strong);
  background: rgba(43, 227, 184, 0.12);
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1 {
  margin-top: 1rem;
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  max-width: 10ch;
}

h2 {
  margin-top: 0.35rem;
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1rem;
}

.lead,
.insight-card p,
.footnote-card p,
.boundary-list,
.quality-list,
figcaption {
  color: var(--muted);
  line-height: 1.65;
}

.lead {
  margin-top: 1rem;
  max-width: 62ch;
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.button {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  font: inherit;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.button.primary {
  background: linear-gradient(135deg, rgba(116, 212, 255, 0.24), rgba(43, 227, 184, 0.24));
  border-color: rgba(116, 212, 255, 0.3);
}

.button.secondary,
.button.ghost {
  background: rgba(255, 255, 255, 0.03);
}

.metric-grid,
.insight-grid,
.gallery-grid,
.footnote-grid {
  display: grid;
  gap: 1rem;
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.6rem;
}

.metric-card,
.insight-card,
.footnote-card {
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
}

.metric-label {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-visual {
  display: grid;
  gap: 1rem;
}

.primary-shot,
.secondary-shot,
.gallery-card {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
}

.primary-shot img,
.secondary-shot img,
.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.primary-shot {
  aspect-ratio: 16 / 9;
}

.secondary-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.secondary-shot {
  aspect-ratio: 16 / 10;
}

.insight-grid,
.footnote-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.planner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.planner-card,
.gallery-section {
  border-radius: var(--radius-xl);
  padding: 1.5rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1rem;
  margin-top: 1.2rem;
}

label {
  display: grid;
  gap: 0.45rem;
}

label span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

input,
select,
pre {
  font: inherit;
}

input,
select {
  width: 100%;
  border-radius: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.85rem 0.9rem;
  min-height: 3rem;
}

input::placeholder {
  color: #7081a6;
}

input:focus-visible,
select:focus-visible {
  outline: 2px solid rgba(116, 212, 255, 0.35);
  outline-offset: 1px;
}

.summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.summary-pill {
  padding: 0.62rem 0.9rem;
  border-radius: 999px;
  background: rgba(116, 212, 255, 0.12);
  color: #dff6ff;
  font-size: 0.88rem;
}

.summary-pill.warning {
  background: rgba(249, 204, 103, 0.12);
  color: #ffe7aa;
}

.command-panel,
.quality-panel,
.boundary-panel {
  margin-top: 1rem;
}

.command-output {
  margin: 0;
  padding: 1rem;
  min-height: 8rem;
  border-radius: var(--radius-md);
  background: rgba(3, 7, 18, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.55;
  color: #d9ecff;
}

.quality-list,
.boundary-list {
  margin: 0.85rem 0 0;
  padding-left: 1.2rem;
}

.quality-list li,
.boundary-list li {
  margin-top: 0.4rem;
}

.gallery-section {
  margin-top: 1rem;
}

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

.gallery-card figcaption {
  padding: 0.9rem 1rem 1rem;
  font-size: 0.95rem;
}

.footnote-grid {
  margin-top: 1rem;
}

a {
  color: inherit;
}

@media (max-width: 1040px) {
  .hero-panel,
  .planner-grid,
  .insight-grid,
  .footnote-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .content {
    width: min(100% - 1rem, 1200px);
    padding-top: 1rem;
    padding-bottom: 2rem;
  }

  .hero-panel,
  .planner-card,
  .gallery-section {
    padding: 1.1rem;
  }

  .eyebrow-row,
  .section-header,
  .secondary-stack,
  .summary-row {
    display: grid;
  }

  .form-grid,
  .metric-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: none;
  }
}