/* ============================================================
   Pacer Fitness — Liquid Glass design system
   Dark, frosted-glass UI that mirrors the iOS 26 app.
   ============================================================ */

:root {
  /* Surfaces */
  --bg: #06080c;
  --bg-elevated: #0b0e14;
  --glass: rgba(255, 255, 255, 0.045);
  --glass-strong: rgba(255, 255, 255, 0.07);
  --glass-border: rgba(255, 255, 255, 0.10);
  --glass-border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #f3f6fb;
  --text-muted: #9aa6b8;
  --text-faint: #6b7689;

  /* Brand — coral accent, taken directly from the app's AccentColor
     (sRGB 1.000 / 0.580 / 0.420). This is the protein-ring + button color. */
  --accent: #ff946b;
  --accent-bright: #ffb094;
  --accent-deep: #ff7a4d;
  --accent-grad: linear-gradient(120deg, #ffab86 0%, #ff7a4d 100%);
  --accent-grad-soft: linear-gradient(120deg, rgba(255,148,107,0.22), rgba(255,122,77,0.16));

  /* Semantic metabolic-deficit state colors (Apple system, dark) —
     used the way the app's NetDeficitCard uses them. */
  --green: #30d158;
  --green-bright: #4cdf74;
  --yellow: #ffd60a;
  --orange: #ff9f0a;
  --pink: #ff375f;
  --red: #ff453a;
  --deficit-grad: linear-gradient(120deg, #30d158 0%, #ffd60a 100%);

  --radius: 22px;
  --radius-sm: 14px;
  --radius-lg: 30px;
  --maxw: 1140px;

  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
  --glow: 0 0 60px -10px rgba(255, 148, 107, 0.45);
  --glow-green: var(--glow);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient background glows */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(255, 148, 107, 0.18), transparent 60%),
    radial-gradient(800px 600px at 92% 4%, rgba(255, 159, 10, 0.12), transparent 55%),
    radial-gradient(1000px 800px at 50% 110%, rgba(48, 209, 88, 0.08), transparent 60%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3 { line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1rem; color: var(--text-muted); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.center { text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin-bottom: 18px;
}
.gradient-text {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede { font-size: 1.2rem; color: var(--text-muted); max-width: 620px; }
.center .lede { margin-left: auto; margin-right: auto; }

/* ---------- Glass primitives ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), var(--shadow);
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  background: rgba(6, 8, 12, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.brand .mark { width: 30px; height: 30px; filter: drop-shadow(0 0 10px rgba(255,148,107,.5)); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { color: var(--text-muted); font-size: .95rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 6px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary {
  color: #2a1006;
  background: var(--accent-grad);
  box-shadow: var(--glow);
}
.btn-primary:hover { box-shadow: 0 0 70px -8px rgba(255, 148, 107, 0.6); transform: translateY(-1px); }
.btn-ghost {
  color: var(--text);
  background: var(--glass-strong);
  border-color: var(--glass-border);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { border-color: var(--glass-border-strong); background: rgba(255,255,255,.10); }

/* ---------- Hero ---------- */
.hero { padding: 80px 0 60px; position: relative; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-meta { display: flex; gap: 26px; margin-top: 34px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; }
.hero-meta b { font-size: 1.5rem; font-weight: 700; }
.hero-meta span { font-size: .82rem; color: var(--text-faint); }

/* Phone mockup */
.phone {
  position: relative;
  margin: 0 auto;
  width: 300px;
  max-width: 100%;
  aspect-ratio: 300 / 620;
  border-radius: 46px;
  padding: 12px;
  background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.03));
  border: 1px solid var(--glass-border-strong);
  box-shadow: var(--shadow), var(--glow-green);
}
.phone-screen {
  width: 100%;
  height: 100%;
  border-radius: 36px;
  background:
    radial-gradient(600px 300px at 50% -10%, rgba(47,230,166,.18), transparent 60%),
    linear-gradient(180deg, #0a0d13, #070a0f);
  overflow: hidden;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.app-ring {
  margin: 6px auto 2px;
  width: 150px; height: 150px;
  display: grid; place-items: center;
  position: relative;
}
.app-ring svg { transform: rotate(-90deg); }
.app-ring .ring-label { position: absolute; text-align: center; }
.app-ring .ring-label b { font-size: 1.8rem; display: block; line-height: 1; }
.app-ring .ring-label span { font-size: .72rem; color: var(--text-faint); }
.mini-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  padding: 12px 14px;
}
.mini-card .row { display: flex; justify-content: space-between; align-items: center; }
.mini-card .k { font-size: .72rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .08em; }
.mini-card .v { font-weight: 700; font-size: 1.05rem; }
.deficit-bar { height: 8px; border-radius: 99px; margin-top: 10px; background: var(--deficit-grad); }
.mini-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pill {
  align-self: flex-start;
  font-size: .68rem; font-weight: 600;
  padding: 5px 11px; border-radius: 99px;
  background: rgba(48,209,88,.16); color: var(--green-bright);
  border: 1px solid rgba(48,209,88,.32);
}

/* ---------- Feature cards ---------- */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.card { padding: 28px; }
.card .ico {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--accent-grad-soft);
  border: 1px solid var(--glass-border);
  font-size: 1.4rem;
}
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; font-size: .96rem; }

/* ---------- Stat band ---------- */
.band { padding: 40px; display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-around; text-align: center; }
.band .stat b { display: block; font-size: 2.4rem; font-weight: 700; }
.band .stat b.gt { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.band .stat span { color: var(--text-faint); font-size: .9rem; }

/* ---------- Steps ---------- */
.steps { counter-reset: step; }
.step { display: flex; gap: 20px; padding: 24px 26px; align-items: flex-start; }
.step .num {
  flex: 0 0 auto;
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 700;
  background: var(--accent-grad); color: #04130d;
}
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; }

/* ---------- Waitlist ---------- */
.waitlist { padding: 54px 40px; text-align: center; position: relative; overflow: hidden; }
.waitlist::after {
  content: ""; position: absolute; inset: -2px;
  background: radial-gradient(500px 200px at 50% 0%, rgba(47,230,166,.18), transparent 70%);
  pointer-events: none;
}
.wl-form { display: flex; gap: 12px; max-width: 480px; margin: 26px auto 10px; position: relative; z-index: 1; }
.wl-form input {
  flex: 1;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  font-size: 1rem;
  font-family: inherit;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.wl-form input::placeholder { color: var(--text-faint); }
.wl-form input:focus { border-color: rgba(255,148,107,.55); box-shadow: 0 0 0 4px rgba(255,148,107,.14); }
.wl-note { font-size: .82rem; color: var(--text-faint); margin: 0; }
.wl-msg { min-height: 22px; margin-top: 12px; font-size: .92rem; font-weight: 500; }
.wl-msg.ok { color: var(--green-bright); }
.wl-msg.err { color: var(--pink); }

/* ---------- Content pages (privacy / support) ---------- */
.prose { max-width: 780px; margin: 0 auto; }
.prose.glass { padding: 48px clamp(24px, 5vw, 56px); }
.prose h2 { font-size: 1.5rem; margin-top: 2em; }
.prose h2:first-of-type { margin-top: .3em; }
.prose p, .prose li { color: var(--text-muted); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: .5em; }
.prose a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; }
.prose .meta { color: var(--text-faint); font-size: .9rem; }

/* FAQ */
.faq details {
  padding: 6px 24px;
  margin-bottom: 14px;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  padding: 18px 0;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--accent-bright); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding-bottom: 18px; margin: 0; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid rgba(255,255,255,.07); padding: 50px 0 40px; margin-top: 40px; }
.footer .container { display: flex; flex-wrap: wrap; gap: 30px; justify-content: space-between; align-items: flex-start; }
.footer .cols { display: flex; gap: 60px; flex-wrap: wrap; }
.footer h4 { font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--text-faint); margin: 0 0 14px; }
.footer a { display: block; color: var(--text-muted); margin-bottom: 9px; font-size: .94rem; transition: color .2s; }
.footer a:hover { color: var(--text); }
.footer .legal { color: var(--text-faint); font-size: .85rem; }

.section-head { max-width: 620px; margin: 0 auto 54px; }
.tag { font-size:.7rem; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color: var(--text-faint); }

/* ============================================================
   App-screen recreations (device-framed, code-accurate)
   ============================================================ */
.devices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.devices .blurb h3 { font-size: 1.5rem; margin-bottom: 10px; }
.devices .blurb .tag { display:block; margin-bottom: 14px; }

.phone.sm { width: 270px; }

/* iOS-style status bar */
.ios-status {
  display: flex; justify-content: space-between; align-items: center;
  font-size: .7rem; font-weight: 600; color: var(--text);
  padding: 2px 6px 8px;
}
.ios-status .dots { letter-spacing: 1px; opacity: .85; }

.scr-title { font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; margin: 2px 2px 4px; }
.scr-sub { font-size: .72rem; color: var(--text-faint); margin: 0 2px 8px; }

/* fasting row */
.fast {
  display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px; padding: 10px 12px;
}
.fast .ic { font-size: 1.1rem; }
.fast .t { flex: 1; }
.fast .t b { font-size: .8rem; display: block; }
.fast .t span { font-size: .66rem; color: var(--text-faint); }
.fast .gp {
  font-size: .62rem; font-weight: 600; padding: 4px 9px; border-radius: 99px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); color: var(--text-muted);
}

/* deficit card (state-tinted, like NetDeficitCard) */
.dcard { border-radius: 16px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.08); }
.dcard.target  { background: linear-gradient(135deg, rgba(48,209,88,.30), rgba(255,214,10,.12), transparent); }
.dcard.aggr    { background: linear-gradient(135deg, rgba(255,159,10,.34), rgba(255,214,10,.14), transparent); }
.dcard .dhead { display: flex; align-items: center; gap: 7px; font-size: .78rem; font-weight: 600; }
.dcard .dhead .seal { color: var(--green); }
.dcard.aggr .dhead .seal { color: var(--orange); }
.dcard .dpill { margin-left: auto; font-size: .58rem; font-weight: 700; padding: 3px 8px; border-radius: 99px; background: rgba(48,209,88,.2); color: var(--green-bright); }
.dcard.aggr .dpill { background: rgba(255,159,10,.2); color: #ffc25c; }
.dcard .dval { font-size: 1.7rem; font-weight: 800; margin-top: 4px; }
.dcard.target .dval { color: var(--green-bright); }
.dcard.aggr .dval { color: #ffc25c; }
.dcard .dval span { font-size: .72rem; font-weight: 500; color: var(--text-muted); margin-left: 4px; }
.dcard .dmath { font-size: .58rem; color: var(--text-faint); font-family: ui-monospace, "SF Mono", Menlo, monospace; margin-top: 5px; }

/* metric tiles colored icons */
.tile .ic { font-size: .8rem; }
.tile .ic.orange { color: var(--orange); }
.tile .ic.red { color: var(--red); }
.tile .ic.blue { color: #0a84ff; }
.tile .ic.green { color: var(--green); }
.tile .row { display: flex; align-items: center; gap: 6px; }

/* dinner suggestion */
.dinner { border-radius: 16px; padding: 11px 13px; display: flex; gap: 10px; align-items: flex-start;
  background: rgba(10,132,255,.12); border: 1px solid rgba(10,132,255,.22); }
.dinner.purple { background: rgba(175,82,222,.12); border-color: rgba(175,82,222,.24); }
.dinner .ic { font-size: 1rem; color: #4aa3ff; }
.dinner.purple .ic { color: #c98bff; }
.dinner .t b { font-size: .76rem; display: block; }
.dinner .t span { font-size: .64rem; color: var(--text-muted); line-height: 1.4; }

/* ---- Coach app ---- */
.roster { display: flex; flex-direction: column; gap: 9px; }
.crow { display: flex; align-items: center; gap: 11px; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08); border-radius: 14px; padding: 9px 11px; }
.crow .cring { flex: 0 0 auto; width: 36px; height: 36px; position: relative; display: grid; place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--accent) calc(var(--p, 80) * 1%), rgba(255,255,255,.12) 0); }
.crow .cring::before { content: ""; position: absolute; width: 28px; height: 28px; border-radius: 50%; background: #0b0e14; }
.crow .cring b { position: relative; z-index: 1; font-size: .56rem; font-weight: 700; }
.crow .cinfo { flex: 1; min-width: 0; }
.crow .cinfo b { font-size: .8rem; display: block; }
.crow .cinfo span { font-size: .62rem; color: var(--text-faint); }
.crow .cstate { font-size: .58rem; font-weight: 700; padding: 3px 8px; border-radius: 99px; white-space: nowrap; }
.cstate.g { background: rgba(48,209,88,.18); color: var(--green-bright); }
.cstate.o { background: rgba(255,159,10,.18); color: #ffc25c; }
.cstate.p { background: rgba(255,55,95,.16); color: #ff6f8b; }
.coach-summary { display: flex; gap: 8px; }
.coach-summary .cs { flex: 1; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08);
  border-radius: 13px; padding: 9px 10px; }
.coach-summary .cs b { font-size: 1.15rem; font-weight: 800; display: block; }
.coach-summary .cs.accent b { color: var(--accent-bright); }
.coach-summary .cs span { font-size: .58rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .05em; }

/* App badges */
.badges { display: flex; gap: 12px; flex-wrap: wrap; }
.badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 10px 16px; border-radius: 13px;
  background: var(--glass-strong); border: 1px solid var(--glass-border);
  font-size: .82rem;
}
.badge small { display: block; font-size: .62rem; color: var(--text-faint); }
.badge b { font-size: .92rem; }

/* split apps section cards */
.appcard { padding: 30px; display: flex; flex-direction: column; gap: 8px; height: 100%; }
.appcard .kicker { font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.appcard.client .kicker { color: var(--accent-bright); }
.appcard.coach .kicker { color: #c98bff; }
.appcard h3 { font-size: 1.4rem; margin: 4px 0 6px; }
.appcard ul { list-style: none; padding: 0; margin: 6px 0 0; }
.appcard li { font-size: .92rem; color: var(--text-muted); padding: 6px 0 6px 26px; position: relative; }
.appcard li::before { content: "✓"; position: absolute; left: 0; color: var(--accent-bright); font-weight: 700; }
.appcard.coach li::before { color: #c98bff; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero { text-align: center; }
  .hero .hero-cta, .hero .hero-meta { justify-content: center; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .devices { grid-template-columns: 1fr; gap: 30px; }
  .devices .blurb { text-align: center; }
  .devices .blurb .badges { justify-content: center; }
  .nav-links {
    position: absolute; top: 64px; right: 16px; left: 16px;
    flex-direction: column; align-items: stretch; gap: 6px;
    padding: 14px;
    background: rgba(10,13,19,.96);
    border: 1px solid var(--glass-border);
    border-radius: 18px;
    backdrop-filter: blur(20px);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 8px; }
  .nav-links .btn { width: 100%; }
  .nav-toggle { display: block; }
  .section { padding: 70px 0; }
}
@media (max-width: 520px) {
  .wl-form { flex-direction: column; }
  .wl-form .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}