:root {
    --orange: #FF4A1C;
    --orange-dark: #E23A0F;
    --orange-soft: #FFF0EB;
    --ink: #0E1116;
    --ink-soft: #3A4049;
    --muted: #6B7280;
    --bg: #F5F6F8;
    --card: #FFFFFF;
    --line: #EBEDF0;
    --radius: 22px;
    --shadow-sm: 0 2px 8px rgba(14,17,22,.05);
    --shadow-md: 0 18px 40px -18px rgba(14,17,22,.18);
    --shadow-lg: 0 40px 80px -30px rgba(14,17,22,.32);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--ink); background: var(--bg); line-height: 1.5;
    -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    font-weight: 600; font-size: 16px; border: none; cursor: pointer;
    padding: 15px 26px; border-radius: 999px; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; white-space: nowrap;
}
.btn-primary { background: var(--orange); color: #fff; box-shadow: 0 12px 26px -10px rgba(255,74,28,.7); }
.btn-primary:hover { transform: translateY(-2px); background: var(--orange-dark); box-shadow: 0 18px 34px -10px rgba(255,74,28,.75); }
.store-btn { display: inline-flex; align-items: center; gap: 12px; background: var(--ink); color: #fff; padding: 11px 20px 11px 18px; border-radius: 15px; transition: transform .18s ease, box-shadow .18s ease; }
.store-btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.store-btn svg { width: 26px; height: 26px; flex: none; }
.store-btn .lbl { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.store-btn .lbl small { font-size: 11px; opacity: .8; font-weight: 500; }
.store-btn .lbl span { font-size: 17px; font-weight: 600; }
.store-badges { display: flex; gap: 14px; flex-wrap: wrap; }

header.nav { position: sticky; top: 0; z-index: 50; background: rgba(245,246,248,.8); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid transparent; transition: border-color .2s ease; }
header.nav.scrolled { border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 22px; letter-spacing: -.02em; }
.logo .mark { width: 34px; height: 34px; border-radius: 10px; overflow: hidden; background: var(--orange); display: grid; place-items: center; box-shadow: 0 6px 14px -4px rgba(255,74,28,.7); }
.logo .mark img { width: 100%; height: 100%; object-fit: cover; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a.link { font-weight: 500; color: var(--ink-soft); font-size: 15px; transition: color .15s ease; }
.nav-links a.link:hover, .nav-links a.link.active { color: var(--orange); }
.nav-cta { padding: 11px 22px; font-size: 15px; }
@media (max-width: 860px) { .nav-links .link { display: none; } }

footer { background: var(--ink); color: #C3C8D0; padding: 64px 0 34px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
footer .logo { color: #fff; margin-bottom: 16px; }
footer .about { font-size: 15px; max-width: 300px; margin-bottom: 22px; }
.foot-social { display: flex; gap: 12px; }
.foot-social a { width: 40px; height: 40px; border-radius: 11px; background: rgba(255,255,255,.06); display: grid; place-items: center; transition: background .18s ease; }
.foot-social a:hover { background: var(--orange); }
.foot-social svg { width: 18px; height: 18px; }
.foot-col h5 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.foot-col a { display: block; font-size: 15px; margin-bottom: 12px; transition: color .15s ease; }
.foot-col a:hover { color: #fff; }
.foot-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 26px; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 14px; }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }