:root {
  --bg: #1a1714;
  --bg2: #241f1a;
  --ink: #f3ebe2;
  --muted: #a89a8c;
  --line: rgba(243, 235, 226, 0.12);
  --accent: #d4783a;
  --accent2: #e8c39a;
  --ok: #6fbf8a;
  --warn: #d4a24c;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Instrument Serif", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(212, 120, 58, 0.28), transparent 60%),
    radial-gradient(700px 400px at 90% 10%, rgba(232, 195, 154, 0.12), transparent 55%),
    linear-gradient(180deg, #1a1714 0%, #12100e 100%);
}

.top {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(26, 23, 20, 0.75);
}
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-mark {
  width: 2.25rem; height: 2.25rem; border-radius: 0.55rem;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #9a4a1e);
  font-weight: 700; letter-spacing: -0.04em;
}
.brand strong { display: block; font-size: 1rem; }
.brand .muted, .muted { color: var(--muted); font-size: 0.85rem; }
nav { display: flex; gap: 0.35rem; flex: 1; flex-wrap: wrap; }
nav a {
  color: var(--muted); text-decoration: none;
  padding: 0.4rem 0.75rem; border-radius: 999px; font-size: 0.9rem;
}
nav a:hover, nav a.active { color: var(--ink); background: rgba(255,255,255,0.06); }
.pill {
  font-size: 0.8rem; padding: 0.35rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
}
.pill.ok { color: var(--ok); border-color: rgba(111,191,138,0.35); }

main { max-width: 980px; margin: 0 auto; padding: 2rem 1.25rem 4rem; }
.hero { padding: 2rem 0 2.5rem; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.72rem; color: var(--accent2); margin: 0 0 0.75rem;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.4rem, 6vw, 3.8rem);
  line-height: 1.05;
  margin: 0 0 1rem;
}
.hero h1 em { font-style: italic; color: var(--accent2); }
.lead { max-width: 36rem; color: var(--muted); margin: 0 0 1.5rem; }
.cta-row, .stat-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.stat-row { margin-top: 2rem; }
.stat {
  min-width: 7.5rem; padding: 1rem 1.1rem;
  border: 1px solid var(--line); border-radius: 1rem;
  background: rgba(255,255,255,0.03);
}
.stat span { display: block; font-size: 1.4rem; font-weight: 600; }
.stat label { font-size: 0.78rem; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid transparent; border-radius: 999px;
  padding: 0.7rem 1.2rem; font: inherit; font-weight: 600;
  text-decoration: none; cursor: pointer;
}
.btn.primary { background: var(--accent); color: #1a120c; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }

.panel {
  margin: 1.5rem 0;
  padding: 1.4rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(180deg, rgba(36,31,26,0.9), rgba(26,23,20,0.55));
}
.panel-head h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: 1.85rem;
  margin: 0 0 0.35rem;
}
.panel-head p { margin: 0 0 1.1rem; color: var(--muted); }

.import-box {
  display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center;
  margin-bottom: 1rem;
}
.import-box input[type=file] {
  flex: 1; min-width: 220px;
  color: var(--muted); font: inherit;
}
.msg { margin: 0 0 1rem; font-size: 0.9rem; }
.msg.ok { color: var(--ok); }
.msg.err { color: #e07a6a; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.65rem 0.4rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; }

.calc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.85rem;
  align-items: end;
}
.calc label { display: grid; gap: 0.35rem; font-size: 0.85rem; color: var(--muted); }
.calc input, .calc select {
  width: 100%; padding: 0.65rem 0.75rem;
  border-radius: 0.7rem; border: 1px solid var(--line);
  background: var(--bg); color: var(--ink); font: inherit;
}
.result {
  grid-column: 1 / -1;
  padding: 1rem 1.1rem;
  border-radius: 0.9rem;
  background: rgba(212, 120, 58, 0.12);
  border: 1px solid rgba(212, 120, 58, 0.28);
  font-size: 1.05rem;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  padding: 0.4rem 0.75rem; border-radius: 999px; font-size: 0.82rem;
  border: 1px solid var(--line); color: var(--muted);
}
.chip.active { color: var(--ok); border-color: rgba(111,191,138,0.4); }
.chip.deferred { color: var(--warn); border-color: rgba(212,162,76,0.4); }
.chip.planned { opacity: 0.75; }

footer {
  max-width: 980px; margin: 0 auto; padding: 1rem 1.25rem 2rem;
  display: flex; gap: 1rem; flex-wrap: wrap;
  color: var(--muted); font-size: 0.85rem;
  border-top: 1px solid var(--line);
}
footer a { color: var(--accent2); }

@media (max-width: 720px) {
  .top { flex-wrap: wrap; }
  nav { order: 3; width: 100%; }
}