/* Cue Cardio marketing site. No build step. Colors and type follow the iOS app (Theme.swift, Zone.swift). */
@font-face { font-family: "Barlow Condensed"; src: url("fonts/barlow-condensed-latin-500-normal.woff2") format("woff2"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Barlow Condensed"; src: url("fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --bg: #05090b; --card: #11191d; --card2: #0c1316; --ink: #f6f8fb; --sub: rgba(246, 248, 251, 0.66); --line: rgba(246, 248, 251, 0.1);
  --tint: #7fe0d2; --tint-deep: #05292c; --blue: #8dbbff; --amber: #ffc15c; --orange: #ff8a5c; --pink: #ff6fa6;
  --teal-bg: #0f4a52; --teal-deep: #082c31; --blue-bg: #173c70; --blue-deep: #0b2045; --amber-bg: #6b4410; --amber-deep: #3a2306;
  --radius: 22px; --max: 1160px;
  --cond: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--tint); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--cond); font-weight: 700; line-height: 1.02; margin: 0; letter-spacing: 0.002em; }
h2 { font-size: clamp(36px, 5vw, 56px); }
h3 { font-size: 28px; }
p { margin: 0; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.sub { color: var(--sub); }
.eyebrow { font-family: var(--cond); font-weight: 600; font-size: 18px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--tint); margin-bottom: 12px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--tint); color: var(--tint-deep); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; top: 12px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(5, 9, 11, 0.78); backdrop-filter: saturate(160%) blur(14px); -webkit-backdrop-filter: saturate(160%) blur(14px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--cond); font-weight: 700; font-size: 26px; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: auto; }
.nav { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav a { color: var(--sub); font-size: 15px; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); text-decoration: none; }
.nav .btn { color: var(--tint-deep); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 24px; border-radius: 26px; font-weight: 650; font-size: 16px; border: 0; cursor: pointer; white-space: nowrap; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--tint); color: var(--tint-deep); }
.btn-primary:hover { background: #9aeade; }
.btn-ghost { background: rgba(246, 248, 251, 0.08); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { background: rgba(246, 248, 251, 0.14); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 14px; border-radius: 20px; }
.appstore { display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 20px 0 16px; border-radius: 14px; background: #000; color: #fff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28); cursor: default; }
.appstore svg { width: 26px; height: 26px; }
.appstore .t1 { display: block; font-size: 11px; line-height: 1.1; opacity: 0.85; }
.appstore .t2 { display: block; font-size: 21px; font-weight: 600; line-height: 1.1; letter-spacing: -0.01em; }
.appstore .soon { margin-left: 6px; font-size: 11px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; background: var(--amber); color: #2a1a03; padding: 3px 8px; border-radius: 6px; }
.yt { display: inline-flex; align-items: center; gap: 10px; }
.yt svg { width: 22px; height: 22px; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before { content: ""; position: absolute; inset: -20% -10% auto -10%; height: 120%; background: radial-gradient(60% 55% at 22% 18%, rgba(15, 74, 82, 0.9), transparent 70%), radial-gradient(45% 45% at 85% 10%, rgba(107, 68, 16, 0.55), transparent 70%); z-index: -1; }
.hero::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, rgba(255, 255, 255, 0.03) 0 28px, transparent 28px 136px); z-index: -1; pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(64px, 10vw, 128px); line-height: 0.92; }
.hero h1 .amber { color: var(--amber); }
.hero .lede { font-size: clamp(19px, 2.1vw, 23px); color: rgba(246, 248, 251, 0.86); margin-top: 22px; max-width: 34ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; align-items: center; }
.hero .fine { margin-top: 16px; font-size: 14px; color: var(--sub); }
.hero-shot { filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6)); }
@media (min-width: 980px) {
  .hero { padding: 96px 0 56px; }
  .hero-grid { grid-template-columns: 0.9fr 1.1fr; }
  .hero-shot { margin-right: -80px; }
}

/* sections */
section { padding: 88px 0; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head p { margin-top: 16px; font-size: 19px; color: var(--sub); }
.alt { background: linear-gradient(180deg, var(--card2), var(--bg)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* pain points */
.cards3 { display: grid; gap: 18px; grid-template-columns: 1fr; }
@media (min-width: 860px) { .cards3 { grid-template-columns: repeat(3, 1fr); } }
.pain { border-radius: var(--radius); padding: 28px 26px 30px; position: relative; overflow: hidden; }
.pain .tag { display: inline-block; font-family: var(--cond); font-weight: 700; font-size: 17px; padding: 2px 10px; border-radius: 8px; margin-bottom: 18px; }
.pain h3 { margin-bottom: 12px; }
.pain p { color: rgba(246, 248, 251, 0.82); }
.pain .quote { font-family: var(--cond); font-size: 20px; font-weight: 500; opacity: 0.55; margin-top: 18px; text-decoration: line-through; text-decoration-thickness: 2px; }
.pain.teal { background: linear-gradient(120deg, var(--teal-deep), var(--teal-bg)); }
.pain.teal .tag { background: var(--tint); color: var(--teal-deep); }
.pain.blue { background: linear-gradient(120deg, var(--blue-deep), var(--blue-bg)); }
.pain.blue .tag { background: var(--blue); color: var(--blue-deep); }
.pain.amber { background: linear-gradient(120deg, var(--amber-deep), var(--amber-bg)); }
.pain.amber .tag { background: var(--amber); color: var(--amber-deep); }

/* steps */
.steps { display: grid; gap: 18px; grid-template-columns: 1fr; counter-reset: step; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: inset 0 0 0 1px var(--line); }
.step::before { counter-increment: step; content: counter(step); display: inline-flex; width: 44px; height: 44px; border-radius: 22px; align-items: center; justify-content: center; background: var(--tint); color: var(--tint-deep); font-family: var(--cond); font-weight: 700; font-size: 26px; margin-bottom: 16px; }
.step h3 { margin-bottom: 10px; }
.step p { color: var(--sub); }

/* cue anatomy */
.anatomy { margin-top: 48px; display: grid; gap: 28px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 980px) { .anatomy { grid-template-columns: 1.25fr 0.75fr; } }
.cue-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.cue-list li { display: grid; grid-template-columns: 14px 1fr; gap: 12px; align-items: start; }
.cue-list .dot { width: 10px; height: 10px; border-radius: 5px; margin-top: 8px; }
.cue-list b { font-weight: 650; }
.cue-list span.sub { display: block; font-size: 15px; }

/* gallery */
.gallery { display: grid; gap: 22px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .gallery.landscape { grid-template-columns: repeat(2, 1fr); } }
.gallery.portrait { grid-template-columns: repeat(2, 1fr); margin-top: 22px; }
@media (min-width: 900px) { .gallery.portrait { grid-template-columns: repeat(4, 1fr); } }
figure { margin: 0; }
figure img { filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.55)); }
figcaption { margin-top: 10px; font-size: 15px; color: var(--sub); text-align: center; }
figcaption b { color: var(--ink); font-weight: 600; }

/* features */
.features { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, 1fr); } }
.feature { background: var(--card); border-radius: 18px; padding: 22px 22px 24px; box-shadow: inset 0 0 0 1px var(--line); }
.feature .ico { width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature .ico svg { width: 22px; height: 22px; }
.feature h3 { font-size: 24px; margin-bottom: 8px; }
.feature p { color: var(--sub); font-size: 16px; }

/* bikes */
.bikes { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.bikes span { font-family: var(--cond); font-weight: 600; font-size: 22px; padding: 8px 16px; border-radius: 12px; background: rgba(246, 248, 251, 0.06); box-shadow: inset 0 0 0 1px var(--line); }
.split { display: grid; gap: 40px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 980px) { .split { grid-template-columns: 1fr 1fr; } }
.note { margin-top: 18px; font-size: 14px; color: var(--sub); }
.roadmap { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.roadmap span { font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: rgba(246, 248, 251, 0.06); color: var(--sub); }
.roadmap span.live { background: var(--tint); color: var(--tint-deep); }

/* pricing */
.plans { display: grid; gap: 18px; grid-template-columns: 1fr; max-width: 900px; }
@media (min-width: 760px) { .plans { grid-template-columns: 1fr 1fr; } }
.plan { border-radius: var(--radius); padding: 28px; background: var(--card); box-shadow: inset 0 0 0 1px var(--line); }
.plan.plus { background: linear-gradient(140deg, var(--teal-deep), var(--teal-bg)); box-shadow: inset 0 0 0 1px rgba(127, 224, 210, 0.35); }
.plan h3 { font-size: 34px; }
.plan .price { font-family: var(--cond); font-weight: 600; font-size: 22px; color: var(--tint); margin-top: 6px; }
.plan ul { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.plan li { padding-left: 28px; position: relative; color: rgba(246, 248, 251, 0.86); }
.plan li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 14px; height: 8px; border-left: 2.5px solid var(--tint); border-bottom: 2.5px solid var(--tint); transform: rotate(-45deg); }

/* privacy band, youtube band */
.band { border-radius: 28px; padding: 40px 32px; display: grid; gap: 24px; grid-template-columns: 1fr; align-items: center; }
@media (min-width: 860px) { .band { grid-template-columns: 1.4fr auto; padding: 48px 52px; } }
.band.privacy { background: var(--card); box-shadow: inset 0 0 0 1px var(--line); }
.band.youtube { background: linear-gradient(120deg, #3f0620, #7a1240); }
.band h2 { font-size: clamp(32px, 4vw, 46px); }
.band p { margin-top: 12px; color: rgba(246, 248, 251, 0.82); max-width: 60ch; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.pills span { font-size: 14px; font-weight: 600; padding: 6px 12px; border-radius: 999px; background: rgba(127, 224, 210, 0.12); color: var(--tint); }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 56px; color: var(--sub); font-size: 14px; }
.site-footer .row { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; align-items: flex-start; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer nav a { color: var(--ink); }
.site-footer .legal { margin-top: 26px; font-size: 13px; line-height: 1.6; max-width: 80ch; }
.tagline { font-family: var(--cond); font-weight: 600; font-size: 20px; color: var(--amber); margin-top: 6px; }

/* document pages */
.doc { max-width: 780px; margin: 0 auto; padding: 64px 24px 88px; }
.doc h1 { font-size: clamp(48px, 7vw, 72px); }
.doc .meta { color: var(--sub); margin-top: 10px; }
.doc h2 { font-size: 32px; margin: 44px 0 12px; }
.doc h3 { font-size: 23px; margin: 26px 0 8px; }
.doc p, .doc li { color: rgba(246, 248, 251, 0.86); }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 22px; margin: 12px 0; }
.doc li { margin: 6px 0; }
.doc .summary { margin-top: 28px; background: linear-gradient(140deg, var(--teal-deep), var(--teal-bg)); border-radius: 18px; padding: 22px 24px; }
.doc .summary p { color: var(--ink); }
.doc table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { color: var(--ink); font-weight: 650; }
.doc td { color: rgba(246, 248, 251, 0.82); }
.placeholder { background: rgba(255, 193, 92, 0.18); color: var(--amber); padding: 0 4px; border-radius: 4px; }
.faq details { background: var(--card); border-radius: 16px; padding: 0 22px; margin: 12px 0; box-shadow: inset 0 0 0 1px var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 650; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 24px; color: var(--tint); font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 18px; color: var(--sub); }
.faq details p + p { margin-top: -6px; }
.contact-card { margin-top: 28px; background: linear-gradient(140deg, var(--teal-deep), var(--teal-bg)); border-radius: 22px; padding: 28px; }
.contact-card a.big { font-family: var(--cond); font-weight: 700; font-size: clamp(28px, 5vw, 40px); color: var(--ink); }

@media (max-width: 720px) {
  .nav a:not(.btn):not(.keep) { display: none; }
  section { padding: 64px 0; }
  .hero { padding-top: 48px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
.brand { white-space: nowrap; }
@media (max-width: 420px) { .site-header .wrap { gap: 12px; padding: 0 16px; } .brand { font-size: 22px; } .brand img { width: 28px; } .nav { gap: 14px; } }