/* OptionIQT public pages. System fonts only, no external assets. */
:root {
  --bg: #0a1020; --navy: #080e19; --card: #101a2a; --line: #24344e;
  --text: #e6edf6; --muted: #9fb0c5; --mint: #2ee7a3; --amber: #ffc770;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; overflow-x: hidden; }
a { color: var(--mint); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; border-radius: 3px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 10px; top: 10px; background: var(--card); padding: 6px 10px; z-index: 5; }

.site-head { border-bottom: 1px solid var(--line); background: var(--navy); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 18px; padding-top: 12px; padding-bottom: 12px; }
.logo { font-weight: 700; font-size: 19px; color: var(--text); text-decoration: none; }
.logo span { color: var(--mint); }
.site-head nav { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 14px; }
.site-head nav a { color: var(--text); text-decoration: none; }
.site-head nav a:hover { color: var(--mint); }

.hero { padding: 56px 0 44px; border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.eyebrow { font: 600 12px var(--mono); letter-spacing: .1em; color: var(--amber); margin: 0 0 12px; }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.12; margin: 0 0 16px; letter-spacing: -.01em; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 22px; max-width: 58ch; }
.btn { display: inline-block; background: var(--mint); color: #05231a; font-weight: 700; padding: 11px 20px; border-radius: 7px; text-decoration: none; }
.btn:hover { background: #5cf0b9; }
.hero-sub { font-size: 13px; color: var(--muted); margin: 12px 0 0; }

.route { list-style: none; margin: 0; padding: 16px; background: var(--navy); border: 1px solid var(--line); border-radius: 10px; font: 13px/1.4 var(--mono); }
.route li { display: grid; grid-template-columns: 26px minmax(0, 1fr); gap: 8px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.route li:last-child { border-bottom: 0; }
.route b { color: var(--mint); font-weight: 600; }
.route span { color: var(--muted); display: block; }

section { padding: 44px 0; border-bottom: 1px solid var(--line); }
h2 { font-size: 26px; line-height: 1.2; margin: 0 0 8px; }
.section-lead { color: var(--muted); margin: 0 0 24px; max-width: 66ch; }
.modules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; list-style: none; margin: 0; padding: 0; }
.modules li { background: var(--card); border: 1px solid var(--line); border-radius: 9px; padding: 16px; }
.modules h3 { margin: 0 0 6px; font-size: 16px; }
.modules h3 small { display: block; font: 11px var(--mono); color: var(--mint); margin-bottom: 4px; }
.modules p { margin: 0; color: var(--muted); font-size: 14px; }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; margin: 0; padding: 0; list-style: none; }
.principles li { padding-left: 14px; border-left: 2px solid var(--mint); font-size: 15px; }
.risk { background: var(--card); border: 1px solid var(--amber); border-radius: 9px; padding: 18px; }
.risk h2 { font-size: 18px; color: var(--amber); }
.risk p { margin: 0 0 8px; font-size: 14px; }
.risk p:last-child { margin: 0; }

.doc { padding: 40px 0 56px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(26px, 5vw, 36px); }
.doc h2 { font-size: 18px; margin: 24px 0 6px; }
.doc p, .doc li { color: var(--muted); }
.draft { display: inline-block; font: 600 12px var(--mono); color: var(--amber); border: 1px solid var(--amber); border-radius: 4px; padding: 2px 8px; margin: 0 0 14px; }

.site-foot { padding: 24px 0 32px; font-size: 13px; color: var(--muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-bottom: 8px; }
.site-foot p { margin: 0; }

@media (max-width: 860px) {
  .hero { padding: 36px 0 32px; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .modules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px) {
  .modules, .principles { grid-template-columns: minmax(0, 1fr); }
  section { padding: 32px 0; }
  .wrap { padding: 0 16px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}