:root {
  color-scheme: dark;
  --ink: #eef1df;
  --muted: #abb9ad;
  --night: #071411;
  --panel: #10231d;
  --panel-soft: #163129;
  --line: rgba(224, 205, 142, 0.22);
  --gold: #e0cd8e;
  --gold-deep: #a88b47;
  --teal: #6cc8b4;
  --danger: #ef9b88;
  --success: #83d5a0;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 5%, rgba(58, 123, 104, 0.2), transparent 34rem),
    linear-gradient(180deg, #0a1915 0%, var(--night) 60%);
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--gold);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

nav { display: flex; gap: 24px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { color: var(--ink); }

main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.hero {
  min-height: 670px;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 58px;
  align-items: center;
  padding: 76px 0 58px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { font-family: Georgia, "Times New Roman", serif; line-height: 1.08; }
h1 { margin: 0; font-size: clamp(2.8rem, 6vw, 5.4rem); font-weight: 500; letter-spacing: -0.035em; }
h2 { margin: 0 0 16px; font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 500; }
h3 { font-size: 1.25rem; font-weight: 500; }

.lede { max-width: 42rem; margin: 26px 0 0; color: var(--muted); font-size: 1.12rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font: inherit;
  font-weight: 720;
  text-decoration: none;
  cursor: pointer;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.button:hover:not(.is-disabled), .button:focus-visible:not(.is-disabled) { transform: translateY(-1px); }
.button-primary { color: #102018; background: var(--gold); }
.button-primary:hover:not(.is-disabled) { background: #f0dfa4; }
.button-secondary { color: var(--ink); background: transparent; border-color: var(--line); }
.button-secondary:hover:not(.is-disabled) { border-color: var(--gold); }
.button.is-disabled, button:disabled { opacity: 0.48; cursor: not-allowed; }

.hero-image { margin: 0; box-shadow: var(--shadow); transform: rotate(1deg); }
.hero-image img { width: 100%; height: auto; display: block; border: 1px solid var(--line); }
.hero-image figcaption { padding: 10px 14px; color: var(--muted); background: #0a1713; font-size: 0.82rem; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid article { padding: 42px 36px; }
.feature-grid article + article { border-left: 1px solid var(--line); }
.feature-grid h2 { font-size: 1.55rem; }
.feature-grid p:last-child { color: var(--muted); }
.feature-number { color: var(--gold-deep); font-size: 0.78rem; letter-spacing: 0.12em; }

.release-card {
  margin: 90px 0;
  padding: 48px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 44px;
  align-items: center;
  background: linear-gradient(135deg, var(--panel-soft), var(--panel));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.release-card p { color: var(--muted); }
.access-note { padding-left: 14px; border-left: 2px solid var(--gold-deep); }
.download-panel { display: grid; gap: 10px; }
.small { margin: 0; font-size: 0.88rem; }
.checksum { margin: 0; color: var(--muted); font-family: ui-monospace, "Cascadia Mono", monospace; font-size: 0.72rem; overflow-wrap: anywhere; }

.status-section { padding: 10px 0 90px; }
.status-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.status-columns > div { padding: 28px 30px; background: rgba(16, 35, 29, 0.56); border: 1px solid var(--line); }
.status-columns li { margin: 9px 0; color: var(--muted); }

footer { padding: 28px 0 48px; color: var(--muted); border-top: 1px solid var(--line); }

.account-main { padding: 70px 0 90px; }
.account-intro { max-width: 760px; margin-bottom: 38px; }
.account-intro h1 { font-size: clamp(2.6rem, 5vw, 4.5rem); }
.account-intro > p:not(.eyebrow) { color: var(--muted); font-size: 1.06rem; }

.notice { margin-top: 24px; padding: 14px 16px; border-left: 3px solid var(--gold); background: rgba(224, 205, 142, 0.08); }
.notice-ready { border-color: var(--success); }
.notice-error { border-color: var(--danger); }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.form-card { padding: 30px; background: rgba(16, 35, 29, 0.78); border: 1px solid var(--line); }
.form-card h2 { font-size: 1.7rem; }
.form-card > p { color: var(--muted); }
fieldset { margin: 0; padding: 0; border: 0; display: grid; gap: 10px; }
fieldset[disabled] { opacity: 0.58; }
label { margin-top: 7px; font-weight: 700; }
input {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  color: var(--ink);
  background: #091712;
  border: 1px solid rgba(224, 205, 142, 0.28);
  border-radius: 3px;
  font: inherit;
}
input:focus { outline: 2px solid var(--teal); outline-offset: 2px; }
.field-help { margin: -3px 0 4px; color: var(--muted); font-size: 0.82rem; }
.form-card .button { margin-top: 12px; }
.form-result { min-height: 1.6em; margin-bottom: 0; color: var(--teal); }
.form-result.is-error { color: var(--danger); }

@media (max-width: 840px) {
  .hero, .release-card { grid-template-columns: 1fr; }
  .hero { padding-top: 54px; }
  .hero-image { transform: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .form-grid, .status-columns { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .site-header { width: min(100% - 28px, 1180px); align-items: flex-start; padding: 20px 0; gap: 16px; }
  nav { gap: 14px; }
  main, footer { width: min(100% - 28px, 1180px); }
  .hero { min-height: auto; gap: 34px; }
  .release-card, .form-card { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}