/* Aeropict Logbook — landing page */
:root {
  --ink: #0f1b2d; --muted: #52627a; --navy: #0b2545; --navy-2: #13315c; --sky: #5aa9ff; --accent: #1f6feb;
  --bg: #ffffff; --alt: #f3f6fb; --line: #e2e8f1;
  --ok: #1a7f4b; --ok-bg: #e5f6ec; --warn: #9a6200; --warn-bg: #fff4d6; --bad: #b42318; --bad-bg: #fde8e7; --grace: #8a4b00; --grace-bg: #ffe9d1;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e6ecf4; --muted: #9aa8bb; --bg: #0d131c; --alt: #121a26; --line: #243042;
    --ok: #4cc38a; --ok-bg: #12301f; --warn: #f0b84a; --warn-bg: #33280e; --bad: #ff7b72; --bad-bg: #3a1614; --grace: #ffa657; --grace-bg: #3a2410; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 17px/1.6 var(--font); color: var(--ink); background: var(--bg); }
a { color: var(--accent); text-decoration: none; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.ico { width: 22px; height: 22px; }

.btn { display: inline-block; padding: .7rem 1.2rem; border-radius: 10px; font-weight: 650; font-size: .98rem; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost:hover { background: rgba(255,255,255,.08); }
.btn-light { background: #fff; color: var(--navy); padding: .5rem 1rem; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(11,37,69,.92); backdrop-filter: blur(10px); }
.nav-inner { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; color: #fff; font-size: 1.1rem; }
.brand img { border-radius: 8px; }
.nav-links { display: flex; gap: 1.4rem; margin-left: auto; }
.nav-links a { color: #c8d8ee; font-size: .95rem; }
.nav-links a:hover { color: #fff; }
@media (max-width: 720px) { .nav-links { display: none; } .nav .btn-light { margin-left: auto; } }

.hero { background: radial-gradient(900px 500px at 85% 10%, rgba(90,169,255,.28), transparent 60%), linear-gradient(165deg, #0b2545 0%, #13315c 55%, #1c4273 100%); color: #fff; padding: 72px 0 88px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } .hero { padding: 48px 0 56px; } }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--sky); margin: 0 0 .8rem; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.08; margin: 0 0 1rem; letter-spacing: -.02em; }
.hl { color: var(--sky); }
.lede { font-size: 1.12rem; color: #d3e1f3; max-width: 36em; margin: 0 0 1.6rem; }
.cta-row { display: flex; gap: .8rem; flex-wrap: wrap; }
.ticks { list-style: none; padding: 0; margin: 1.6rem 0 0; display: flex; gap: 1.3rem; flex-wrap: wrap; color: #b9cce6; font-size: .92rem; }
.ticks li::before { content: "✓"; color: var(--sky); margin-right: .4rem; font-weight: 700; }

.hero-panel { background: #fff; color: #0f1b2d; border-radius: 18px; padding: 1.1rem 1.2rem; box-shadow: 0 30px 80px rgba(0,0,0,.35); transform: rotate(1.2deg); }
.panel-head { display: flex; justify-content: space-between; font-weight: 700; font-size: .95rem; margin-bottom: .5rem; }
.panel-head .muted { color: #7a889b; font-weight: 500; font-size: .82rem; }
.cur { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: .6rem 0; border-top: 1px solid #edf1f6; }
.cur b { display: block; font-size: .93rem; }
.cur small { color: #6a788c; font-size: .78rem; }
.b { font-size: .75rem; font-weight: 700; padding: .2rem .6rem; border-radius: 99px; white-space: nowrap; }
.b.ok { background: #e5f6ec; color: #1a7f4b; }
.b.warn { background: #fff4d6; color: #9a6200; }
.b.bad { background: #fde8e7; color: #b42318; }
.b.grace { background: #ffe9d1; color: #8a4b00; }
.bar { height: 6px; background: #eef2f7; border-radius: 99px; margin-top: .6rem; overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, #1f6feb, #5aa9ff); border-radius: 99px; }

.section { padding: 80px 0; }
.section.alt { background: var(--alt); }
.section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.01em; margin: 0 0 1.4rem; line-height: 1.2; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .features { grid-template-columns: 1fr; } .section { padding: 56px 0; } }
.feat { border: 1px solid var(--line); border-radius: 14px; padding: 1.4rem; background: var(--bg); }
.feat h3 { margin: .6rem 0 .4rem; font-size: 1.08rem; }
.feat p { margin: 0; color: var(--muted); font-size: .95rem; }
.fi { width: 42px; height: 42px; border-radius: 10px; background: rgba(31,111,235,.1); color: var(--accent); display: flex; align-items: center; justify-content: center; }

.split { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: center; }
#cfi .split { grid-template-columns: .8fr 1.2fr; }
@media (max-width: 900px) { .split, #cfi .split { grid-template-columns: 1fr; } }
.list { padding-left: 1.1rem; margin: 0; }
.list li { margin: .5rem 0; color: var(--muted); }
.list b { color: var(--ink); }
.callout-box { border-radius: 18px; padding: 2rem; background: var(--bg); border: 1px solid var(--line); }
.callout-box.dark { background: linear-gradient(160deg, #0b2545, #1c4273); color: #fff; border: 0; }
.callout-box .big { font-size: 1.5rem; font-weight: 700; line-height: 1.3; margin: 0 0 .6rem; }
.callout-box p { color: inherit; }

details { border-bottom: 1px solid var(--line); padding: 1rem 0; }
summary { cursor: pointer; font-weight: 650; font-size: 1.05rem; }
details p { color: var(--muted); margin: .6rem 0 0; }

.req { display: flex; flex-direction: column; gap: .9rem; }
.req label { display: flex; flex-direction: column; gap: .3rem; font-weight: 600; font-size: .92rem; }
.req .two { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
@media (max-width: 600px) { .req .two { grid-template-columns: 1fr; } }
.req input, .req select, .req textarea { font: inherit; font-size: 1rem; padding: .65rem .8rem; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.req input:focus, .req select:focus, .req textarea:focus { outline: 2px solid rgba(31,111,235,.4); border-color: var(--accent); }
.req .btn { align-self: flex-start; }
.opt { font-weight: 400; color: var(--muted); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { padding: 1rem 1.2rem; border-radius: 12px; font-weight: 600; margin-bottom: 1rem; }
.notice.ok { background: var(--ok-bg); color: var(--ok); }
.notice.bad { background: var(--bad-bg); color: var(--bad); }

.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.foot-inner { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }