/* Riftway landing page. DRAFT. */
:root {
  --bg: #fbfbfd;
  --ink: #14161f;
  --muted: #5b6070;
  --line: #e4e6ee;
  --card: #ffffff;
  --brand: #5b6cff;
  --brand-ink: #ffffff;
  --teal: #2bb3a6;
  --dark: #0f1119;
  --dark-2: #191c28;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 22, 31, .05), 0 8px 24px rgba(20, 22, 31, .06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); text-align: center; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.wrap { width: min(1160px, 100% - 40px); margin-inline: auto; }
.narrow { width: min(680px, 100% - 40px); }
.sr-only, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; top: 8px; left: 8px; z-index: 99; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4em; border: 0; cursor: pointer; font: inherit; font-weight: 600; text-decoration: none; background: var(--brand); color: var(--brand-ink); padding: .8em 1.3em; border-radius: 10px; transition: transform .1s ease, background .15s ease; white-space: nowrap; }
.btn:hover { background: #4757f2; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible { outline: 3px solid rgba(91, 108, 255, .45); outline-offset: 2px; }
.btn-small { padding: .55em 1em; font-size: .92rem; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { background: #f0f1f7; }
.btn[disabled] { opacity: .6; cursor: progress; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(251, 251, 253, .85); backdrop-filter: saturate(1.5) blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; font-size: 1.05rem; }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { text-decoration: none; color: var(--muted); font-size: .95rem; }
.nav nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 64px 0 36px; background: radial-gradient(1200px 500px at 85% -10%, rgba(91, 108, 255, .14), transparent 60%), radial-gradient(800px 400px at -10% 20%, rgba(43, 179, 166, .10), transparent 60%); }
.hero-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 56px; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 700; color: var(--brand); margin-bottom: 14px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.fine { font-size: .9rem; color: var(--muted); margin-top: 10px; }

/* Forms */
.waitlist-form { margin-top: 26px; }
.field-row { display: flex; gap: 10px; }
input[type="email"], input[type="text"], select { font: inherit; width: 100%; padding: .8em 1em; border-radius: 10px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); }
.field-row input { flex: 1; min-width: 0; }
.stacked { display: grid; gap: 8px; text-align: left; margin-top: 18px; }
.stacked label { font-weight: 600; font-size: .95rem; margin-top: 6px; }
.stacked .btn { margin-top: 12px; }
.opt { font-weight: 400; color: var(--muted); }
.form-msg { min-height: 1.4em; margin: 10px 0 0; font-size: .95rem; }
.form-msg.ok { color: #13795b; font-weight: 600; }
.form-msg.err { color: #b42318; }

/* Mock grid illustration */
.mock { position: relative; background: var(--dark); border-radius: 18px; padding: 10px; box-shadow: 0 30px 60px -20px rgba(15, 17, 25, .45), 0 0 0 1px rgba(255,255,255,.04) inset; }
.mock-bar { display: flex; align-items: center; gap: 8px; padding: 4px 6px 10px; color: #aab0c5; font-size: .75rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #2c3042; }
.mock-tab { padding: 4px 10px; border-radius: 7px; background: #1b1e2b; }
.mock-tab.active { background: #2a2f45; color: #fff; }
.mock-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.pane { background: var(--dark-2); border-radius: 10px; overflow: hidden; min-height: 168px; border: 1px solid #23273a; }
.pane-h { display: flex; align-items: center; gap: 6px; font-size: .68rem; color: #c7cbe0; padding: 7px 8px; border-bottom: 1px solid #23273a; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pane-h i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.p1 { background: #ff7aa8; } .p2 { background: #7c8cff; } .p3 { background: #4fd1c5; } .p4 { background: #f6c453; }
.mock-note { position: absolute; right: 14px; bottom: -26px; margin: 0; font-size: .72rem; color: var(--muted); }

/* Sections */
section { scroll-margin-top: 72px; }
.pains, .features, .pricing, .faq, .cta { padding: 80px 0; }
.pains { background: #fff; border-block: 1px solid var(--line); }
.section-lede { text-align: center; color: var(--muted); margin-top: -4px; }
.cards { display: grid; gap: 20px; margin-top: 34px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.card, .feature, .plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card p, .feature p { color: var(--muted); margin: 0; }
.ico { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: rgba(91, 108, 255, .1); color: var(--brand); font-size: 1.2rem; margin-bottom: 14px; }

/* Pricing */
.pricing { background: #fff; border-block: 1px solid var(--line); }
.plans { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); justify-content: center; gap: 24px; margin-top: 34px; }
.plan { display: flex; flex-direction: column; }
.plan-pro { border: 2px solid var(--brand); }
.price { margin: 4px 0 2px; color: var(--muted); }
.price span { font-size: 2.4rem; font-weight: 800; color: var(--ink); letter-spacing: -0.03em; }
.plan-for { color: var(--muted); font-size: .93rem; }
.checks { list-style: none; padding: 0; margin: 8px 0 22px; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 28px; }
.checks li::before { content: ""; position: absolute; left: 0; top: .3em; width: 16px; height: 16px; border-radius: 50%; background: rgba(43, 179, 166, .16) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.2l2.2 2.2 4.8-4.9' fill='none' stroke='%232bb3a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat; }
.tag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .03em; padding: 2px 8px; border-radius: 999px; background: #fff4d6; color: #8a5a00; margin-left: 4px; vertical-align: 1px; }
.lifetime { background: #f4f5ff; border-radius: 10px; padding: 14px 16px; font-size: .93rem; margin-bottom: 20px; }
.lifetime p { margin: 0; }
.lifetime strong { font-size: 1.05rem; }
.lifetime .lt-limit { color: var(--muted); font-size: .88rem; margin-top: 4px; }
.plan .btn { margin-top: auto; }

/* FAQ */
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; }

/* CTA */
.cta { text-align: center; background: linear-gradient(180deg, var(--bg), #eef0ff); }
.cta > .wrap > p { color: var(--muted); font-size: 1.08rem; }
.share { margin-top: 24px; text-align: left; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; gap: 20px; }
.footer-inner span { margin-right: auto; }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .cards.three { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav nav { display: none; }
  .nav-inner { justify-content: space-between; }
  .hero { padding: 44px 0 56px; }
  .field-row { flex-direction: column; }
  .cards.three, .plans { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: repeat(2, 1fr); }
  .mock-grid .pane:nth-child(n+5) { display: none; }
  .mock-bar .mock-tab:not(.active) { display: none; }
  .pains, .features, .pricing, .faq, .cta { padding: 60px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .btn { transition: none; } }

/* Pre-launch additions */
.badge { font-size: .7rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; background: #fff4d6; color: #8a5a00; }
.eyebrow.center { text-align: center; }
.tag-plan { background: #eef0ff; color: #3d4bd6; vertical-align: 3px; }
@media (max-width: 640px) { .brand .badge { display: none; } }

/* Hero mock content (illustrative, fictional brands) */
.pc { padding: 8px; display: grid; gap: 6px; font-size: .64rem; line-height: 1.35; color: #c7cbe0; align-content: start; }
.pc p { margin: 0; }
.who { display: flex; align-items: center; gap: 6px; }
.who b { display: block; color: #fff; font-size: .66rem; }
.who small, .pc small, .muted { color: #8a90a8; font-size: .58rem; }
.av { flex: none; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; font-size: .5rem; font-weight: 700; color: #14161f; }
.a1 { background: #ffb4c8; } .a2 { background: #b9c2ff; } .a3 { background: #9fe6de; } .a4 { background: #f6d48a; }
.thumb { height: 54px; border-radius: 6px; display: grid; place-items: center; color: rgba(255, 255, 255, .92); }
.thumb svg { width: 28px; height: 28px; }
.t1 { background: linear-gradient(135deg, #f3a683, #c86b85); }
.t2 { background: linear-gradient(135deg, #5b6cff, #2bb3a6); }
.t3 { background: linear-gradient(135deg, #f6c453, #e07a5f); }
.meta { display: flex; gap: 10px; color: #8a90a8; }
.cap { color: #e3e6f3; }
.cmt { display: flex; gap: 6px; align-items: flex-start; }
.cmt b { color: #fff; margin-right: 2px; }
.need { display: inline-block; font-size: .52rem; font-weight: 700; background: #3a2f12; color: #f6c453; padding: 0 5px; border-radius: 999px; }
.kpi { display: flex; align-items: baseline; gap: 6px; }
.kpi strong { font-size: 1.05rem; color: #fff; letter-spacing: -.01em; }
.kpi em { font-style: normal; color: #4fd1c5; font-weight: 700; }
.bars { display: flex; align-items: flex-end; gap: 5px; height: 48px; }
.bars i { flex: 1; border-radius: 3px 3px 0 0; background: linear-gradient(#7c8cff, #4fd1c5); }
.days { display: flex; gap: 5px; color: #8a90a8; font-size: .52rem; margin-top: -3px; }
.days span { flex: 1; text-align: center; }
.stars { color: #f6c453; letter-spacing: 1px; font-size: .7rem; }
.rv { color: #e3e6f3; }

/* Feature icons (Lucide, ISC/MIT) */
.ico svg { width: 20px; height: 20px; }

/* Signup states */
.signup-done { margin-top: 26px; text-align: left; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.signup-done:focus { outline: none; }
.done-title { font-weight: 700; font-size: 1.1rem; color: #13795b; margin: 0 0 4px; }
.done-body { color: var(--muted); margin: 0; }
.signup-done .share { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.share-text { margin: 0 0 10px; font-weight: 600; }
.form-msg.err.loud { color: #7a1a12; background: #fdecea; border: 1.5px solid #f3b4ab; border-radius: 10px; padding: 10px 12px; font-weight: 600; }

@media (max-width: 640px) {
  .hero .eyebrow { font-size: .7rem; letter-spacing: .05em; white-space: nowrap; }
  .pane { min-height: 0; }
}
@media (max-width: 380px) { .hero .eyebrow .aud { display: none; } }

/* Optional "Which platforms do you use?" chips (pre-launch waitlist forms) */
.platforms { border: 0; margin: 10px 0 0; padding: 0; min-width: 0; text-align: left; }
.platforms legend { padding: 0; font-weight: 600; font-size: .95rem; margin-bottom: 8px; }
.platforms-compact legend { font-size: .88rem; margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { position: relative; display: inline-flex; cursor: pointer; margin: 0 !important; font-weight: 500 !important; }
.chip input { position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0; }
.chip span { display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); font-size: .85rem; line-height: 1.3; transition: background .12s, border-color .12s; }
.platforms-compact .chip span { padding: 4px 10px; font-size: .8rem; }
.chip:hover span { border-color: #c5c9dc; }
.chip input:checked + span { background: #eef0ff; border-color: var(--brand); color: #2f3bb3; }
.chip input:checked + span::before { content: ""; width: 9px; height: 5px; border: solid currentColor; border-width: 0 0 2px 2px; transform: translateY(-2px) rotate(-45deg); }
.chip input:focus-visible + span { outline: 3px solid rgba(91, 108, 255, .45); outline-offset: 2px; }
@media (prefers-reduced-motion: no-preference) { .platforms-compact:not([hidden]) { animation: chips-in .18s ease-out; } }
@keyframes chips-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }