:root {
  --bg: #0b1020;
  --panel: #121a31;
  --panel-soft: #192443;
  --text: #ebf1ff;
  --muted: #a5b4d6;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #73e0a9;
  --accent-2: #88b8ff;
  --warn: #ffd36a;
  --danger: #ff8e8e;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #08101d 0%, #0d1530 55%, #0a1020 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.hidden { display: none !important; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(8, 16, 29, 0.72);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  gap: 24px;
}
.brand { font-weight: 800; letter-spacing: -0.02em; }
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a { color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--text); }

.hero { padding: 72px 0 34px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: stretch;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
h1, h2, h3 { margin: 0 0 14px; line-height: 1.05; letter-spacing: -0.03em; }
h1 { font-size: clamp(2.7rem, 6vw, 4.8rem); max-width: 11ch; }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 14px; color: var(--muted); line-height: 1.65; }
.lede { max-width: 60ch; font-size: 1.12rem; }
.hero-actions, .action-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 24px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease, border-color 0.18s ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { background: linear-gradient(135deg, var(--accent), #4bc8e6); color: #08101d; }
.button.secondary { background: rgba(255,255,255,0.06); border-color: var(--line); }
.button.ghost { background: transparent; border-color: var(--line); color: var(--muted); }
.hero-points {
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}
.hero-points li {
  padding-left: 26px;
  position: relative;
  color: #d8e4ff;
}
.hero-points li::before {
  content: "•";
  position: absolute;
  left: 10px;
  color: var(--accent);
}
.trust-note { color: #d6e2ff; }

.hero-card, .panel, .info-card, .teaser-box, .proof-grid article {
  background: rgba(18, 26, 49, 0.88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 28px; display: grid; gap: 20px; }
.metric strong { display: block; font-size: 1.35rem; line-height: 1.3; }
.metric-label { display: block; margin-bottom: 8px; color: var(--accent-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; }
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.source-box {
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255,255,255,0.08);
}

.proof-strip { padding: 18px 0 18px; }
.proof-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 18px;
}
.proof-grid article { padding: 22px; }
.proof-grid h2, .proof-grid h3 { margin-bottom: 8px; }

.calculator-section { padding: 36px 0 36px; }
.calculator-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: start;
}
.panel { padding: 26px; }
.panel-header { margin-bottom: 22px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-group { display: grid; gap: 8px; margin-bottom: 16px; }
.field-group label { font-weight: 700; }
.field-group small { color: var(--muted); }
input, select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  padding: 15px 16px;
  font: inherit;
}
input::placeholder { color: #7786ab; }
input:focus, select:focus {
  outline: none;
  border-color: rgba(115, 224, 169, 0.7);
  box-shadow: 0 0 0 4px rgba(115, 224, 169, 0.12);
}
.toggle {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
}
.form-message { min-height: 24px; color: var(--warn); }
.empty-state {
  padding: 22px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,0.18);
  color: var(--muted);
}
.status-card {
  border-radius: 22px;
  padding: 20px;
  margin-bottom: 18px;
  border: 1px solid transparent;
}
.status-card.on-track { background: rgba(115, 224, 169, 0.12); border-color: rgba(115, 224, 169, 0.35); }
.status-card.catch-up { background: rgba(255, 211, 106, 0.12); border-color: rgba(255, 211, 106, 0.35); }
.status-card.high-risk { background: rgba(255, 142, 142, 0.12); border-color: rgba(255, 142, 142, 0.35); }
.status-label { display: inline-block; margin-bottom: 10px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: #d9e6ff; }
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.result-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.result-card span { display: block; color: var(--muted); margin-bottom: 8px; }
.result-card strong { font-size: 1.35rem; }
.result-card.accent { background: linear-gradient(135deg, rgba(136,184,255,0.14), rgba(115,224,169,0.12)); }
.schedule-wrap, .assumption-box {
  margin-top: 20px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.deadline-text { font-size: 1.1rem; color: #dce8ff; }
.schedule-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 14px;
}
.schedule-card {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
}
.schedule-card .tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.78rem;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #dce8ff;
}
.assumption-box ul {
  padding-left: 18px;
  margin: 0;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.how-section, .faq-teaser { padding: 36px 0 72px; }
.section-head { max-width: 62ch; margin-bottom: 24px; }
.three-up {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.info-card, .teaser-box { padding: 24px; }
.teaser-box {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(8, 16, 29, 0.92);
  padding: 28px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 0.8fr;
  gap: 18px;
  align-items: start;
}
.footer-grid div:nth-child(2) {
  display: grid;
  gap: 10px;
}

@media (max-width: 980px) {
  .hero-grid, .calculator-grid, .proof-grid, .three-up, .footer-grid { grid-template-columns: 1fr; }
  .metric-grid, .field-grid, .results-grid, .schedule-cards { grid-template-columns: 1fr; }
  .teaser-box, .nav { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .hero { padding-top: 48px; }
  .panel, .hero-card, .info-card, .teaser-box, .proof-grid article { padding: 20px; border-radius: 20px; }
  .container { width: min(100% - 20px, 1120px); }
}