* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

:root {
  --bg: #060912;
  --panel: #0f172a;
  --card: #0b1423;
  --text: #e8edf5;
  --muted: #9da7b8;
  --accent: #7c3aed;
  --success: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
  --border: #1c2435;
  --shadow: 0 12px 45px rgba(0,0,0,0.3);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 18% 15%, rgba(124,58,237,0.12), transparent 35%),
    radial-gradient(circle at 82% 5%, rgba(16,185,129,0.14), transparent 40%),
    linear-gradient(140deg, #05070f 0%, #050b12 40%, #041019 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.5;
}

header.hero-landing {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 24px;
  padding: 46px 20px 12px;
  max-width: 1240px;
  margin: 0 auto;
}

.hero-landing__copy h1 {
  margin: 12px 0 10px;
  font-size: 34px;
}

.hero-landing__panel {
  display: flex;
  justify-content: flex-end;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #c3dafe;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
}

.btn, a.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(124,58,237,0.35);
  transition: transform 0.08s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn.ghost {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  box-shadow: none;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 12px;
}

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

.stat-chip {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 13px;
}

.mini-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow);
  max-width: 420px;
  width: 100%;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 12px 0 12px;
  color: var(--text);
  display: grid;
  gap: 8px;
}

.checklist li::before {
  content: "•";
  color: var(--accent);
  margin-right: 8px;
}

label.language-switch {
  margin-top: 8px;
}

.landing-section {
  padding: 10px 20px 4px;
  max-width: 1240px;
  margin: 0 auto 18px;
}

.section-header {
  margin-bottom: 12px;
}

.section-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.section-title {
  margin: 4px 0 6px;
  font-size: 24px;
}

.section-subhead {
  margin: 0;
  color: var(--muted);
  max-width: 980px;
}

.landing-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card-landing {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  box-shadow: var(--shadow);
}

.card-landing h3 {
  margin: 8px 0 6px;
}

.card-landing p {
  margin: 0;
  color: var(--muted);
}

.icon-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(124,58,237,0.12);
  color: #c4b5fd;
  border: 1px solid rgba(124,58,237,0.2);
}

.icon-badge svg {
  width: 22px;
  height: 22px;
}

.steps {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.step-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.step-number {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(124,58,237,0.14);
  border: 1px solid rgba(124,58,237,0.2);
  color: #c4b5fd;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.step-card h3 {
  margin: 0 0 4px;
}

.step-card p {
  margin: 0;
  color: var(--muted);
}

footer {
  max-width: 1240px;
  margin: 12px auto 40px;
  padding: 0 20px;
  color: var(--muted);
  font-size: 13px;
}

header.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 20px 12px;
  gap: 20px;
  max-width: 1240px;
  margin: 0 auto;
}

.hero-title {
  margin: 0 0 8px;
  font-size: 30px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 6px;
}

h1 {
  margin: 0 0 8px;
  font-size: 30px;
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 640px;
}

main {
  padding: 0 20px 44px;
  max-width: 1240px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 18px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}

.panel.results {
  background: linear-gradient(180deg, rgba(124,58,237,0.08), rgba(12,20,33,0.95));
  border: 1px solid rgba(124,58,237,0.18);
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 19px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding-bottom: 8px;
}

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

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

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 12px;
}

.field span {
  font-weight: 600;
  font-size: 13px;
}

.field small {
  color: var(--muted);
  font-size: 12px;
}

.preset-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 4px;
}

.hf-link {
  display: none;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  color: var(--text);
  background: rgba(124,58,237,0.12);
  border: 1px solid var(--border);
  padding: 8px 10px;
  border-radius: 10px;
  width: fit-content;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.hf-link:hover {
  color: #fcd34d;
  border-color: rgba(124,58,237,0.5);
  background: rgba(124,58,237,0.18);
}

.hf-icon {
  width: 18px;
  height: 18px;
  color: #fcd34d;
}

input, select, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c1421;
  color: var(--text);
  padding: 12px 12px;
}

button {
  background: linear-gradient(90deg, var(--accent), #60a5fa);
  border: none;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.08s ease, box-shadow 0.2s ease;
  box-shadow: 0 10px 30px rgba(124,58,237,0.35);
}

button:hover {
  transform: translateY(-1px);
}

button.ghost {
  background: transparent;
  border: 1px solid var(--border);
  box-shadow: none;
}

.cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.results .card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 16px;
  min-height: 126px;
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.field.compact {
  flex-direction: column;
  background: transparent;
  border: none;
  padding: 0;
}
.field.compact span {
  font-size: 12px;
  color: var(--muted);
}
.field.compact select {
  padding: 8px 10px;
}

.metric {
  font-size: 24px;
  font-weight: 800;
  margin: 8px 0;
}

.sub-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 12px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  margin-right: 6px;
}

.ok { background: rgba(16,185,129,0.15); color: #34d399; }
.warn { background: rgba(245,158,11,0.15); color: #fbbf24; }
.danger { background: rgba(239,68,68,0.15); color: #f87171; }

.assumptions {
  color: var(--muted);
  margin-top: 12px;
  font-size: 14px;
}

#status {
  color: var(--muted);
}

@media (max-width: 720px) {
  header.hero {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta {
    align-self: flex-start;
  }
  header.hero-landing {
    grid-template-columns: 1fr;
    padding: 36px 16px 8px;
  }
  .hero-landing__panel {
    justify-content: flex-start;
  }
  .landing-section {
    padding: 10px 16px 4px;
  }
}

@media (max-width: 1100px) {
  .grid.two {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
  .grid.three {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
  main {
    padding: 0 14px 32px;
  }
  .panel {
    padding: 16px 14px 18px;
  }
  header.hero-landing {
    grid-template-columns: 1fr;
  }
}