/* ==========================================================
   VO2Pulse — marketing site
   ========================================================== */
:root {
  --bg: #0a0c0f;
  --bg-2: #0f1317;
  --surface: #151a20;
  --surface-2: #1b2129;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef2f5;
  --muted: #8d98a5;
  --accent: #d2fb44;
  --accent-ink: #0a0c0f;
  --accent-soft: rgba(210, 251, 68, 0.12);
  --amber: #ffb547;
  --red: #ff5d5d;
  --green: #3ddc84;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --display: "Space Grotesk", var(--font);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }

.container { width: min(1200px, 100% - 48px); margin-inline: auto; }
.container--narrow { width: min(820px, 100% - 48px); }

h1, h2, h3 { font-family: var(--display); line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
h1 { font-size: clamp(2.8rem, 6vw, 4.9rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.01em; }
h1 em, h2 em { font-style: italic; color: var(--accent); }
p { margin: 0 0 16px; color: var(--muted); }
.lead { font-size: 1.15rem; max-width: 620px; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 999px; font-weight: 600; font-size: 0.98rem;
  border: 1px solid transparent; transition: transform .2s, background .2s, border-color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: 0 10px 30px -10px rgba(210,251,68,.6); }
.btn--primary:hover { box-shadow: 0 14px 36px -8px rgba(210,251,68,.75); }
.btn--ghost { border-color: rgba(255,255,255,.18); color: var(--text); }
.btn--ghost:hover { border-color: var(--accent); }
.btn--sm { padding: 9px 18px; font-size: 0.9rem; }
.btn--block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: rgba(10,12,15,.78); backdrop-filter: blur(14px); border-color: var(--line); }
.nav__inner { display: flex; align-items: center; gap: 32px; height: 72px; }
.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a { font-size: 0.93rem; color: var(--muted); transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; gap: 10px; }
.nav__toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; margin-left: auto; }
.nav__toggle span { position: absolute; left: 9px; right: 9px; height: 2px; background: var(--text); transition: transform .3s; }
.nav__toggle span:first-child { top: 15px; }
.nav__toggle span:last-child { top: 23px; }
.nav.is-open .nav__toggle span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }

.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--display); font-size: 1.35rem; font-weight: 600; }
.logo__mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; transform: rotate(-6deg);
}
.logo__text b { color: var(--accent); font-weight: 700; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 150px 0 0; overflow: hidden; }
.hero__glow {
  position: absolute; inset: -20% -10% auto auto; width: 900px; height: 900px; pointer-events: none;
  background: radial-gradient(circle, rgba(210,251,68,.18), transparent 60%);
  filter: blur(20px);
}
.hero__grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; position: relative; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 28px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 24px; font-size: 0.92rem; color: var(--muted); }
.ticks li::before { content: "✓"; color: var(--accent); font-weight: 700; margin-right: 8px; }

.hero__visual { position: relative; display: flex; justify-content: center; padding: 20px 0 60px; }

/* ---------- Phone mockup ---------- */
.phone {
  position: relative; width: 300px; height: 610px; border-radius: 46px; padding: 12px;
  background: linear-gradient(145deg, #2a313a, #0f1317);
  box-shadow: var(--shadow), inset 0 0 0 1px rgba(255,255,255,.08);
}
.phone--tilt { transform: rotate(-4deg); }
.phone__notch { position: absolute; top: 20px; left: 50%; translate: -50% 0; width: 92px; height: 26px; border-radius: 20px; background: #000; z-index: 2; }
.screen {
  height: 100%; border-radius: 36px; background: var(--bg-2); padding: 56px 16px 16px;
  display: flex; flex-direction: column; gap: 14px; overflow: hidden; font-size: 0.82rem;
}
.screen__top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.screen__top small { display: block; color: var(--muted); font-size: 0.72rem; }
.screen__top strong { font-family: var(--display); font-size: 1.15rem; }
.chip { font-size: 0.68rem; padding: 4px 9px; border-radius: 999px; background: var(--surface-2); white-space: nowrap; }
.chip--flame { background: rgba(255,181,71,.14); color: var(--amber); }
.card-workout { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 14px; }
.card-workout__head span { display: block; font-weight: 600; font-size: 0.95rem; }
.card-workout__head small { color: var(--muted); font-size: 0.7rem; }
.ex-list { list-style: none; padding: 0; margin: 12px 0; display: grid; gap: 8px; }
.ex-list li { display: flex; align-items: center; gap: 10px; }
.ex-list small { margin-left: auto; color: var(--muted); }
.dot { width: 14px; height: 14px; border-radius: 50%; border: 2px solid #3a434e; flex: none; }
.dot.done { background: var(--accent); border-color: var(--accent); box-shadow: inset 0 0 0 3px var(--surface); }
.screen__btn { width: 100%; padding: 11px; border: 0; border-radius: 12px; background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 0.8rem; }
.screen__btn--sm { width: auto; padding: 7px 14px; font-size: 0.72rem; }
.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mini-stats div { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 10px; text-align: center; }
.mini-stats b { display: block; font-family: var(--display); font-size: 1rem; }
.mini-stats small { color: var(--muted); font-size: 0.66rem; }

.float {
  position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px;
  background: rgba(21,26,32,.85); backdrop-filter: blur(12px); border: 1px solid var(--line);
  border-radius: 16px; box-shadow: var(--shadow); font-size: 0.82rem; max-width: 260px;
  animation: bob 6s ease-in-out infinite;
}
.float small { display: block; color: var(--muted); font-size: 0.74rem; line-height: 1.35; }
.float--a { top: 300px; left: -10px; }
.float--b { bottom: 70px; right: -20px; animation-delay: -3s; }
@keyframes bob { 50% { transform: translateY(-10px); } }

.avatar {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; flex: none;
  font-weight: 700; font-size: 0.78rem; color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), #6fe3a5);
}
.avatar--b { background: linear-gradient(135deg, #7cc7ff, #a68bff); }
.avatar--c { background: linear-gradient(135deg, #ffb547, #ff7a7a); }
.avatar--lg { width: 56px; height: 56px; font-size: 1rem; }
.avatar--sm { width: 28px; height: 28px; font-size: 0.66rem; }
.ai-dot {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; flex: none;
  background: var(--accent-soft); color: var(--accent); font-size: 1rem;
}

/* ---------- Marquee ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 22px 0; margin-top: 40px; }
.marquee__track { display: flex; gap: 48px; width: max-content; animation: scroll 40s linear infinite; }
.marquee__track span { font-family: var(--display); font-size: 1.15rem; color: var(--muted); white-space: nowrap; }
.marquee__track span::before { content: "✦"; color: var(--accent); margin-right: 48px; font-size: .8rem; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 120px 0; }
.section__head { text-align: center; max-width: 760px; margin: 0 auto 60px; }
.section__head .lead { margin-inline: auto; }

.intro__inner { text-align: center; }
.intro__inner .lead { margin: 0 auto 60px; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.pillar { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: border-color .3s, transform .3s; }
.pillar:hover { border-color: rgba(210,251,68,.4); transform: translateY(-4px); }
.pillar__icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); font-size: 1.3rem; margin-bottom: 20px; }
.pillar p { margin: 0; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: s; }
.step { position: relative; padding: 32px 26px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.step__num { display: block; font-family: var(--display); font-size: 2.6rem; font-weight: 700; color: var(--accent); opacity: .9; margin-bottom: 18px; }
.step p { margin: 0; font-size: 0.95rem; }

/* Features */
.feature--alt { background: linear-gradient(180deg, transparent, var(--bg-2) 20%, var(--bg-2) 80%, transparent); }
.feature__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.feature__grid--rev .feature__copy { order: 2; }
.feature__visual { display: flex; justify-content: center; }
.checks { list-style: none; padding: 0; margin: 24px 0 32px; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; }
.checks li::before { content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .72rem; font-weight: 700; background: var(--accent-soft); color: var(--accent); margin-top: 2px; }
.note { font-size: 0.9rem; padding: 14px 16px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); }
.note b { color: var(--text); }

/* Trainer cards */
.stack { display: grid; gap: 16px; width: 100%; max-width: 460px; }
.trainer-card { display: flex; gap: 16px; padding: 20px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); transition: transform .3s; }
.trainer-card:hover { transform: translateX(-6px); }
.trainer-card--offset { margin-left: 40px; border-color: rgba(210,251,68,.35); }
.trainer-card__body { flex: 1; display: grid; gap: 6px; }
.trainer-card__row { display: flex; justify-content: space-between; align-items: center; }
.trainer-card small { color: var(--muted); font-size: 0.82rem; }
.match { font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tags span { font-size: 0.72rem; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.stars { color: var(--amber); font-size: 0.85rem; }
.price { font-family: var(--display); }

/* AI coach */
.prompt-grid { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.prompt-grid span { padding: 9px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 0.88rem; transition: border-color .2s, color .2s; }
.prompt-grid span:hover { border-color: var(--accent); color: var(--accent); }
.screen--chat { gap: 10px; }
.chat-head { display: flex; gap: 10px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.chat-head small { display: block; color: var(--muted); font-size: 0.68rem; }
.bubble { padding: 10px 13px; border-radius: 16px; max-width: 86%; line-height: 1.45; }
.bubble--me { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 4px; }
.bubble--ai { background: var(--surface-2); border-bottom-left-radius: 4px; }
.chat-card { background: var(--surface); border: 1px solid rgba(210,251,68,.35); border-radius: 14px; padding: 12px; display: grid; gap: 4px; }
.chat-card small { color: var(--accent); font-size: 0.62rem; letter-spacing: .1em; font-weight: 600; }
.chat-card span { color: var(--muted); font-size: 0.72rem; }
.chat-card__actions { display: flex; gap: 8px; margin-top: 6px; }
.ghost-sm { background: none; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 6px 12px; font-size: 0.72rem; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips span { font-size: 0.68rem; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.composer { margin-top: auto; display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); }
.mic { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; overflow: hidden; transition: border-color .3s; }
.tile:hover { border-color: rgba(210,251,68,.35); }
.tile p { font-size: 0.93rem; }
.tile--wide { grid-column: span 2; flex-direction: row; align-items: center; gap: 30px; }
.tile__copy { flex: 1; }
.timer { flex: 1; display: flex; align-items: center; gap: 22px; padding: 20px; border-radius: 18px; background: var(--bg-2); }
.timer__ring {
  width: 110px; height: 110px; border-radius: 50%; flex: none; display: grid; place-content: center; text-align: center;
  background: conic-gradient(var(--accent) 0 62%, #232a33 62% 100%);
  position: relative;
}
.timer__ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--bg-2); }
.timer__ring span, .timer__ring small { position: relative; }
.timer__ring span { font-family: var(--display); font-size: 1.6rem; font-weight: 700; }
.timer__ring small { color: var(--muted); font-size: 0.65rem; letter-spacing: .15em; }
.timer__next small { color: var(--accent); font-size: .68rem; letter-spacing: .12em; font-weight: 600; }
.timer__next b { display: block; margin: 4px 0 12px; }
.wave { display: flex; gap: 4px; align-items: center; height: 28px; }
.wave i { width: 4px; border-radius: 4px; background: var(--accent); animation: wave 1.2s ease-in-out infinite; }
.wave i:nth-child(1){height:30%;animation-delay:-.1s}.wave i:nth-child(2){height:70%;animation-delay:-.3s}.wave i:nth-child(3){height:100%;animation-delay:-.5s}
.wave i:nth-child(4){height:60%;animation-delay:-.7s}.wave i:nth-child(5){height:85%;animation-delay:-.2s}.wave i:nth-child(6){height:45%;animation-delay:-.4s}.wave i:nth-child(7){height:25%;animation-delay:-.6s}
@keyframes wave { 50% { transform: scaleY(.35); } }
.spark { margin-top: auto; height: 80px; width: 100%; }
.badges { margin-top: auto; display: flex; gap: 10px; }
.badges span { flex: 1; display: grid; place-items: center; gap: 4px; padding: 12px 4px; border-radius: 14px; background: var(--bg-2); font-size: 1.4rem; }
.badges small { font-size: 0.66rem; color: var(--muted); }
.badges .locked { filter: grayscale(1); opacity: .4; }
.macros { margin-top: auto; display: grid; gap: 10px; }
.macros div { display: grid; grid-template-columns: 1fr 60px; align-items: center; gap: 10px; }
.macros span { height: 8px; border-radius: 8px; background: #232a33; position: relative; overflow: hidden; }
.macros span::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--v); background: var(--accent); border-radius: 8px; }
.macros small { color: var(--muted); font-size: 0.74rem; }
.notif { margin-top: auto; display: flex; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 14px; background: var(--bg-2); font-size: 0.85rem; }
.notif small { display: block; color: var(--muted); font-size: 0.74rem; }
.video-thumb {
  margin-top: auto; height: 90px; border-radius: 14px; position: relative; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(210,251,68,.25), rgba(124,199,255,.2)), var(--bg-2);
}
.video-thumb span { width: 40px; height: 40px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-size: .85rem; }
.video-thumb small { position: absolute; left: 12px; bottom: 8px; font-size: 0.7rem; color: var(--text); }

/* Safety */
.safety__inner {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
  padding: 60px; border-radius: 32px; background: var(--surface); border: 1px solid var(--line);
}
.triage { display: grid; gap: 12px; }
.triage__row { display: grid; grid-template-columns: 80px 1fr; gap: 14px; align-items: center; padding: 16px 20px; border-radius: 14px; background: var(--bg-2); border-left: 4px solid; font-size: 0.93rem; }
.triage__row span { color: var(--muted); }
.triage__row--green { border-color: var(--green); } .triage__row--green b { color: var(--green); }
.triage__row--amber { border-color: var(--amber); } .triage__row--amber b { color: var(--amber); }
.triage__row--red { border-color: var(--red); } .triage__row--red b { color: var(--red); }

/* Trainer dashboard */
.dash { width: 100%; max-width: 520px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.dash__bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; background: var(--surface-2); border-bottom: 1px solid var(--line); }
.dash__bar i { width: 10px; height: 10px; border-radius: 50%; background: #39424d; }
.dash__bar span { margin-left: 10px; font-size: 0.78rem; color: var(--muted); }
.dash__body { padding: 20px; display: grid; gap: 16px; font-size: 0.85rem; }
.dash__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.dash__kpis div { padding: 14px; border-radius: 12px; background: var(--bg-2); }
.dash__kpis small { display: block; color: var(--muted); font-size: 0.7rem; }
.dash__kpis b { font-family: var(--display); font-size: 1.5rem; }
.dash__alerts, .earn { display: grid; gap: 8px; }
.dash__alerts > small, .earn > small { color: var(--accent); font-size: .66rem; letter-spacing: .12em; font-weight: 600; }
.alert { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; background: var(--bg-2); }
.alert em { margin-left: auto; font-style: normal; font-size: 0.74rem; color: var(--accent); }
.earn div { display: flex; justify-content: space-between; color: var(--muted); }
.earn__total { padding-top: 8px; border-top: 1px dashed var(--line); color: var(--text) !important; font-weight: 700; }
.earn__total span:last-child { color: var(--accent); }

/* Compare */
.compare { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.compare table { width: 100%; border-collapse: collapse; min-width: 680px; }
.compare th, .compare td { padding: 18px 22px; text-align: center; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
.compare th { font-family: var(--display); font-weight: 600; color: var(--muted); }
.compare td:first-child, .compare th:first-child { text-align: left; color: var(--text); }
.compare td { color: var(--muted); }
.compare tr:last-child td { border-bottom: 0; }
.compare .hl { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.compare th.hl { color: var(--accent); }

/* Everything grid */
.grid-feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.grid-feats div { background: var(--bg); padding: 26px; display: grid; gap: 6px; transition: background .2s; }
.grid-feats div:hover { background: var(--surface); }
.grid-feats span { color: var(--muted); font-size: 0.88rem; }
.soon { font-size: 0.62rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-left: 6px; vertical-align: middle; }

/* Pricing */
.toggle { display: flex; width: max-content; margin: 0 auto 40px; padding: 5px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); }
.toggle__btn { border: 0; background: none; color: var(--muted); padding: 10px 22px; border-radius: 999px; font-weight: 600; transition: background .2s, color .2s; }
.toggle__btn.is-active { background: var(--accent); color: var(--accent-ink); }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plans--two { grid-template-columns: repeat(2, 1fr); max-width: 860px; margin-inline: auto; }
.plans[hidden] { display: none; }
.plan { position: relative; padding: 34px 30px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; }
.plan--featured { border-color: var(--accent); background: linear-gradient(180deg, rgba(210,251,68,.08), var(--surface) 50%); }
.plan__tag { position: absolute; top: -12px; left: 30px; padding: 4px 12px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 0.72rem; font-weight: 700; }
.plan__price { font-family: var(--display); font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
.plan ul { list-style: none; padding: 0; margin: 10px 0 28px; display: grid; gap: 10px; flex: 1; }
.plan ul li { padding-left: 26px; position: relative; font-size: 0.93rem; }
.plan ul li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.plan ul.fees li { padding-left: 0; display: flex; justify-content: space-between; color: var(--muted); }
.plan ul.fees li::before { content: none; }
.plan ul.fees b { color: var(--text); }
.fees__total { padding-top: 10px; border-top: 1px dashed var(--line); }
.fees__total span { color: var(--text); font-weight: 600; }
.fees__total b { color: var(--accent) !important; }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); transition: border-color .2s; }
.faq details[open] { border-color: rgba(210,251,68,.35); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 24px; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 24px 20px; margin: 0; }

/* CTA */
.cta__inner {
  text-align: center; padding: 90px 40px; border-radius: 36px; position: relative; overflow: hidden;
  background: radial-gradient(ellipse at top, rgba(210,251,68,.22), transparent 60%), var(--surface);
  border: 1px solid rgba(210,251,68,.25);
}
.cta__inner .lead { margin: 0 auto 36px; }
.signup { max-width: 560px; margin: 0 auto; }
.signup__role { display: flex; justify-content: center; gap: 10px; margin-bottom: 14px; }
.signup__role input { position: absolute; opacity: 0; pointer-events: none; }
.signup__role span { display: inline-block; padding: 8px 18px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); cursor: pointer; font-size: 0.9rem; transition: all .2s; }
.signup__role input:checked + span { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.signup__role input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.signup__row { display: flex; gap: 10px; padding: 6px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); }
.signup__row input { flex: 1; min-width: 0; background: none; border: 0; color: var(--text); padding: 0 18px; font: inherit; outline: none; }
.form-msg { min-height: 24px; margin: 14px 0 0; font-size: 0.92rem; }
.form-msg.is-ok { color: var(--accent); }
.form-msg.is-err { color: var(--red); }
.stores { display: flex; justify-content: center; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.store { display: grid; text-align: left; padding: 10px 20px; border-radius: 14px; border: 1px solid rgba(255,255,255,.18); font-weight: 600; font-family: var(--display); }
.store small { font-family: var(--font); font-weight: 400; font-size: 0.68rem; color: var(--muted); }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 70px 0 30px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer__tag { margin-top: 14px; }
.footer h4 { font-family: var(--display); margin: 0 0 14px; font-size: 0.95rem; }
.footer__grid a:not(.logo) { display: block; color: var(--muted); font-size: 0.92rem; margin-bottom: 10px; transition: color .2s; }
.footer__grid a:not(.logo):hover { color: var(--accent); }
.footer__bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 50px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
  .nav.is-open { background: rgba(10,12,15,.97); }
  .nav.is-open .nav__links, .nav.is-open .nav__cta {
    display: flex; flex-direction: column; position: absolute; left: 0; right: 0; padding: 0 24px;
  }
  .nav.is-open .nav__links { top: 72px; gap: 0; background: rgba(10,12,15,.97); padding-top: 10px; }
  .nav.is-open .nav__links a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; color: var(--text); }
  .nav.is-open .nav__cta { top: calc(72px + 6 * 53px + 10px); background: rgba(10,12,15,.97); padding-block: 20px 28px; gap: 12px; }
  .nav.is-open .nav__cta .btn { width: 100%; padding: 14px; }

  .hero__grid, .feature__grid, .safety__inner { grid-template-columns: 1fr; gap: 50px; }
  .feature__grid--rev .feature__copy { order: 0; }
  .hero__copy { text-align: center; }
  .hero__copy .lead { margin-inline: auto; }
  .hero__actions, .ticks { justify-content: center; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .grid-feats { grid-template-columns: repeat(3, 1fr); }
  .plans { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .safety__inner { padding: 40px; }
}
@media (max-width: 720px) {
  .section { padding: 80px 0; }
  .hero { padding-top: 120px; }
  .pillars, .steps, .bento, .plans--two { grid-template-columns: 1fr; }
  .tile--wide { grid-column: auto; flex-direction: column; align-items: stretch; }
  .grid-feats { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__grid > div:first-child { grid-column: 1 / -1; }
  .float--a { left: 0; top: 30px; }
  .float--b { right: 0; bottom: 30px; }
  .trainer-card--offset { margin-left: 0; }
  .safety__inner { padding: 28px; }
  .cta__inner { padding: 60px 22px; }
  .signup__row { flex-direction: column; border-radius: 20px; }
  .signup__row input { padding: 12px 14px; }
}
@media (max-width: 420px) {
  .phone { width: 270px; height: 560px; }
  .grid-feats { grid-template-columns: 1fr; }
  .float { max-width: 210px; }
}

/* ==========================================================
   Sub-pages (about, contact, privacy, terms, 404)
   ========================================================== */
.nav__links a.is-current { color: var(--text); }
.page-hero { position: relative; padding: 160px 0 70px; overflow: hidden; text-align: center; }
.page-hero .hero__glow { inset: -40% auto auto 50%; translate: -50% 0; }
.page-hero .container { position: relative; }
.page-hero .lead { margin-inline: auto; }
.page-hero small { color: var(--muted); }

.prose { max-width: 760px; margin-inline: auto; }
.prose h2 { font-size: 1.5rem; margin: 48px 0 14px; }
.prose h2:first-child { margin-top: 0; }
.prose ul { color: var(--muted); padding-left: 20px; margin: 0 0 16px; }
.prose li { margin-bottom: 8px; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--text); }
.callout { padding: 18px 22px; border-radius: var(--radius-sm); background: var(--accent-soft); border: 1px solid rgba(210,251,68,.3); color: var(--text); margin: 0 0 24px; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.values .pillar h3 { margin-top: 0; }
.story { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.story__quote { padding: 40px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); font-family: var(--display); font-size: 1.5rem; line-height: 1.35; }
.story__quote em { color: var(--accent); }
.roadmap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.roadmap .step__num { font-size: 0.8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 10px; }
.roadmap .step.is-now { border-color: var(--accent); }

.contact { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.contact__info { display: grid; gap: 16px; }
.contact__card { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.contact__card h3 { margin-bottom: 6px; }
.contact__card p { margin: 0; font-size: 0.93rem; }
.contact__card a { color: var(--accent); }
.form { padding: 36px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); display: grid; gap: 18px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 8px; }
.field label { font-size: 0.88rem; font-weight: 600; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm); border: 1px solid var(--line);
  background: var(--bg); color: var(--text); font: inherit; transition: border-color .2s;
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.form .form-msg { margin: 0; }
.btn:disabled { opacity: .6; cursor: progress; transform: none; }

.notfound { min-height: 80vh; display: grid; place-items: center; text-align: center; padding: 140px 0 80px; }
.notfound h1 { font-size: clamp(5rem, 14vw, 9rem); color: var(--accent); margin-bottom: 0; }

@media (max-width: 1040px) {
  .values, .roadmap { grid-template-columns: repeat(2, 1fr); }
  .story, .contact { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .values, .roadmap, .form__row { grid-template-columns: 1fr; }
  .form { padding: 24px; }
  .page-hero { padding: 130px 0 50px; }
}

/* ==========================================================
   Photography
   ========================================================== */
img.avatar { object-fit: cover; background: var(--surface-2); }

/* Hero photo sits behind the phone */
.hero__visual { justify-content: flex-end; padding-right: 10px; }
.hero__photo {
  position: absolute; left: 0; top: 30px; width: 62%; height: calc(100% - 110px);
  object-fit: cover; border-radius: 28px; box-shadow: var(--shadow);
  filter: saturate(.9) brightness(.85);
}
.hero__visual::before {
  content: ""; position: absolute; left: 0; top: 30px; width: 62%; height: calc(100% - 110px); z-index: 1;
  border-radius: 28px; pointer-events: none;
  background: linear-gradient(180deg, transparent 50%, rgba(10,12,15,.55)), linear-gradient(90deg, transparent 60%, rgba(10,12,15,.35));
}
.hero__visual .phone { z-index: 2; }
.hero__visual .float { z-index: 3; }

/* Pillar photos */
.pillar--photo { padding-top: 0; overflow: hidden; }
.pillar__img { width: calc(100% + 64px); margin: 0 -32px 24px; height: 190px; object-fit: cover; display: block; transition: transform .6s ease; }
.pillar--photo:hover .pillar__img { transform: scale(1.04); }
.pillar--photo .pillar__icon { margin-top: -48px; position: relative; background: var(--surface); border: 1px solid var(--line); }

/* Sports rail */
.sports { padding-top: 40px; }
.sports__rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(220px, 260px); gap: 18px;
  overflow-x: auto; padding: 0 max(24px, calc((100vw - 1200px) / 2)) 16px; scroll-snap-type: x mandatory;
  scrollbar-width: thin; scrollbar-color: #2a313a transparent;
}
.sport { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; aspect-ratio: 3 / 4; scroll-snap-align: start; border: 1px solid var(--line); }
.sport img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.sport:hover img { transform: scale(1.06); }
.sport::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(10,12,15,.9)); }
.sport figcaption { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 1; font-family: var(--display); font-weight: 600; font-size: 1.1rem; }

/* Bento images */
.tile__img { width: calc(100% + 56px); margin: -28px -28px 20px; height: 150px; object-fit: cover; }
.video-thumb { background: linear-gradient(180deg, transparent 30%, rgba(10,12,15,.75)), var(--img) center/cover, var(--bg-2); height: 130px; }

/* Safety card with faded photo */
.safety__inner { position: relative; overflow: hidden; isolation: isolate; }
.safety__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; opacity: .35; }
.safety__inner::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--surface) 35%, rgba(21,26,32,.7)); }
.triage__row { background: rgba(15,19,23,.85); backdrop-filter: blur(6px); }

/* Trainer section photo behind dashboard */
.feature__visual--photo { position: relative; padding: 40px 0 40px 60px; }
.feature__photo { position: absolute; left: 0; top: 0; width: 60%; height: 100%; object-fit: cover; border-radius: 28px; filter: brightness(.75); }
.feature__visual--photo .dash { position: relative; margin-left: auto; }

/* CTA photo background */
.cta__inner--photo { background: radial-gradient(ellipse at top, rgba(210,251,68,.22), transparent 60%), linear-gradient(rgba(21,26,32,.86), rgba(21,26,32,.94)), var(--img) center/cover; }

/* Sub-page photo hero + about story */
.page-hero--photo { background: linear-gradient(180deg, rgba(10,12,15,.7), var(--bg) 95%), var(--img) center/cover; }
.story__media { position: relative; }
.story__media img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius); filter: brightness(.85); }
.story__media .story__quote { position: absolute; left: -30px; right: 40px; bottom: -30px; padding: 28px; font-size: 1.25rem; background: rgba(21,26,32,.92); backdrop-filter: blur(10px); }

@media (max-width: 1040px) {
  .hero__visual { justify-content: center; padding-right: 0; }
  .hero__photo, .hero__visual::before { width: 70%; left: 0; }
  .story__media .story__quote { position: relative; left: 0; right: 0; bottom: 0; margin-top: -60px; margin-inline: 20px; }
}
@media (max-width: 720px) {
  .hero__photo, .hero__visual::before { width: 100%; opacity: .5; }
  .feature__visual--photo { padding: 30px 0 0; }
  .feature__photo { width: 100%; height: 60%; }
  .story__media img { height: 320px; }
}
.tile--full { grid-column: 1 / -1; flex-direction: row; align-items: center; gap: 30px; }
.tile--full .video-thumb { flex: 1.4; margin-top: 0; height: 200px; }
@media (max-width: 720px) { .tile--full { flex-direction: column; align-items: stretch; } .tile--full .video-thumb { flex: none; } }

/* ==========================================================
   VO2Pulse brand assets
   ========================================================== */
.logo__img { height: 38px; width: auto; display: block; }
.footer .logo__img { height: 46px; }
.ai-dot--logo { background: none; padding: 0; object-fit: contain; border-radius: 0; }
.chat-head .ai-dot--logo { width: 32px; height: 32px; }
.cta__icon { width: 88px; height: 88px; margin: 0 auto 24px; border-radius: 22px; box-shadow: 0 20px 50px -12px rgba(210,251,68,.45); }
.store { grid-template-columns: auto 1fr; column-gap: 12px; align-items: center; }
.store img { grid-row: span 2; width: 34px; height: 34px; border-radius: 9px; }
.notfound__mark { width: 120px; margin: 0 auto 10px; transform: rotate(-4deg); }
@media (max-width: 720px) { .logo__img { height: 32px; } }