/* runthe.club sales page
   Layout: a single scrolling page; each feature section pairs a short list with
   one or two phone screenshots from the demo club. Palette: sprung-floor blue with a marker yellow,
   on a cool hall white. */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #101a2b;
  --muted: #56627a;
  --line: #dde3ea;
  --accent: #1d4ed8;
  --accent-ink: #ffffff;
  --marker: #ffd23f;
  --good: #16794a;
  --good-bg: #e2f4ea;
  --warn: #a5590d;
  --warn-bg: #fdf0dc;
  --bad: #b42323;
  --bad-bg: #fbe4e4;
  --tramp: #1d4ed8;
  --dmt: #16794a;
  --band: #101a2b;
  --band-ink: #eef2f7;

  --display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --body: "Figtree", "Segoe UI", system-ui, sans-serif;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1420;
    --surface: #152033;
    --ink: #e9eef6;
    --muted: #9aa7bd;
    --line: #26344b;
    --accent: #6c95ff;
    --accent-ink: #0d1420;
    --marker: #ffd23f;
    --good: #5fd39a;
    --good-bg: #133326;
    --warn: #f2b25f;
    --warn-bg: #3a2a12;
    --bad: #f28b8b;
    --bad-bg: #3d1a1a;
    --tramp: #6c95ff;
    --dmt: #5fd39a;
    --band: #060b13;
    --band-ink: #e9eef6;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 1240px;
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--display); line-height: 1.05; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); font-weight: 900; font-stretch: 125%; letter-spacing: -0.02em; }
h1 em { font-style: normal; background: linear-gradient(transparent 62%, var(--marker) 62%, var(--marker) 92%, transparent 92%); padding: 0 .08em; color: var(--ink); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 800; font-stretch: 112%; letter-spacing: -0.01em; }
h3 { font-size: 1.4rem; font-weight: 800; font-stretch: 112%; display: flex; align-items: center; gap: .6rem; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.eyebrow { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); margin-bottom: .75rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 700; text-decoration: none; border: 0; cursor: pointer;
  padding: .85rem 1.3rem; border-radius: 999px; font-size: 1rem; font-family: var(--body);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 18px -10px var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 2px var(--ink); }
.btn-small { padding: .55rem 1rem; font-size: .9rem; }
.btn-wide { width: 100%; }
.btn[disabled] { opacity: .6; cursor: wait; transform: none; }

/* Header */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: .8rem; }
.wordmark { font-family: var(--display); font-stretch: 112%; font-weight: 700; font-size: 1.35rem; text-decoration: none; letter-spacing: -0.01em; }
.wordmark b { font-weight: 900; }
.wordmark span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 1.4rem; font-weight: 600; font-size: .95rem; }
nav a:not(.btn) { text-decoration: none; color: var(--muted); }
nav a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { padding-block: clamp(3rem, 7vw, 6rem) clamp(3rem, 6vw, 5rem); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-copy { min-width: 0; }
.lede { font-size: 1.2rem; color: var(--muted); margin-top: 1.25rem; max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.hero-points { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .45rem; color: var(--muted); font-weight: 500; }
.hero-points li::before { content: ""; display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; background: var(--marker); margin-right: .65rem; box-shadow: 0 0 0 3px color-mix(in srgb, var(--marker) 35%, transparent); }
.hero-visual { position: relative; min-width: 0; }

/* Phone screenshots */
.phone { margin: 0; min-width: 0; }
.phone img {
  display: block; width: 100%; height: auto; aspect-ratio: 390 / 700; object-fit: cover; object-position: top;
  border-radius: 26px; border: 7px solid #101a2b; background: #eaeaec;
  box-shadow: 0 30px 60px -36px rgba(16, 26, 43, .55);
}
.phone figcaption { margin-top: .6rem; text-align: center; font-size: .85rem; font-weight: 600; color: var(--muted); }
@media (prefers-color-scheme: dark) { .phone img { border-color: #2a3850; } }

.hero-visual { display: grid; grid-template-columns: repeat(12, 1fr); align-items: start; }
.hero-visual .phone-back { grid-column: 1 / span 7; grid-row: 1; margin-top: 2.5rem; opacity: .95; }
.hero-visual .phone-front { grid-column: 6 / span 7; grid-row: 1; position: relative; z-index: 1; }

/* Before / after */
.swap { padding-block: clamp(3rem, 6vw, 5rem); background: var(--band); color: var(--band-ink); }
.swap h2 { margin-bottom: 2rem; }
.swap-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.swap-card { border-top: 3px solid var(--marker); padding-top: 1rem; display: grid; gap: .6rem; align-content: start; }
.before { text-decoration: line-through; text-decoration-color: var(--marker); text-decoration-thickness: 2px; opacity: .65; font-weight: 600; }
.after { font-size: 1.02rem; }

/* Features */
.features { padding-block: clamp(3.5rem, 7vw, 6rem); }
.features > .wrap > h2 { max-width: 20em; }
.shots-note { color: var(--muted); font-size: .9rem; margin-top: .75rem; margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.feature { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(1.5rem, 5vw, 4rem); align-items: center; padding-block: clamp(2rem, 5vw, 3.5rem); border-top: 1px solid var(--line); scroll-margin-top: 70px; }
.feature.flip .feature-copy { order: 2; }
.feature.flip { grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); }
.feature-copy { min-width: 0; }
.feature-copy h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.feature-intro { color: var(--muted); margin-top: .8rem; font-size: 1.05rem; }
.points { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .7rem; }
.points li { padding-left: 1.3rem; position: relative; color: var(--muted); }
.points li::before { content: ""; position: absolute; left: 0; top: .55em; width: .55rem; height: .55rem; border-radius: 50%; background: var(--marker); }
.points strong { color: var(--ink); }
.also { margin-top: 1.1rem; font-size: .92rem; color: var(--muted); }
.also span { font-weight: 700; color: var(--accent); }
.phones { display: grid; gap: clamp(.75rem, 2vw, 1.25rem); min-width: 0; }
.phones-2 { grid-template-columns: 1fr 1fr; }
.phones-1 { max-width: 350px; justify-self: center; width: 100%; }
.phones-2 { max-width: 700px; justify-self: center; width: 100%; }
.phones-2 .phone:last-child { margin-top: 2.5rem; }
.feature-ai { grid-template-columns: 1fr; }
.feature-ai .points { grid-template-columns: 1fr 1fr; gap: 1.25rem 2rem; }

/* Proof */
.proof { padding-block: clamp(3rem, 6vw, 5rem); }
.proof blockquote { margin: 0 auto; max-width: 46rem; font-family: var(--display); font-stretch: 112%; font-weight: 700; font-size: clamp(1.3rem, 2.6vw, 1.75rem); line-height: 1.3; text-align: center; text-wrap: balance; }

/* Get in touch + form */
.founding { padding-block: clamp(3rem, 6vw, 5rem); background: var(--band); color: var(--band-ink); scroll-margin-top: 60px; }
.founding .eyebrow { color: var(--marker); }
.founding-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.founding-copy { min-width: 0; }
.perks { list-style: none; padding: 0; margin: 1.75rem 0; display: grid; gap: 1rem; }
.perks li { padding-left: 1.4rem; position: relative; opacity: .9; }
.perks li::before { content: ""; position: absolute; left: 0; top: .55em; width: .55rem; height: .55rem; background: var(--marker); border-radius: 2px; }
.small { font-size: .9rem; opacity: .7; }

.card-form { background: var(--surface); color: var(--ink); border-radius: var(--radius); padding: clamp(1.1rem, 3vw, 1.75rem); display: grid; gap: .9rem; min-width: 0; }
.field { display: grid; gap: .3rem; min-width: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
label { font-weight: 600; font-size: .9rem; }
.opt { font-weight: 400; color: var(--muted); font-size: .8rem; }
input, select, textarea {
  font: inherit; font-size: 1rem; color: var(--ink); background: var(--bg);
  border: 1.5px solid var(--line); border-radius: 10px; padding: .65rem .75rem; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
input[aria-invalid="true"] { border-color: var(--bad); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { font-weight: 600; min-height: 1.4em; }
.form-msg.ok { color: var(--good); }
.form-msg.err { color: var(--bad); }
.card-form.sent .field, .card-form.sent .field-row, .card-form.sent button { display: none; }

/* FAQ */
.faq { padding-block: clamp(3rem, 6vw, 5rem); scroll-margin-top: 60px; }
.faq .wrap { max-width: 820px; }
.faq h2 { margin-bottom: 1.5rem; }
details { border-bottom: 1px solid var(--line); padding-block: 1rem; }
summary { cursor: pointer; font-weight: 700; font-size: 1.08rem; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.4rem; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { margin-top: .6rem; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 2rem calc(2rem + env(safe-area-inset-bottom, 0px)); color: var(--muted); font-size: .9rem; }
.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center; }
.small-mark { font-size: 1.1rem; color: var(--ink); }

/* Narrow screens */
@media (max-width: 900px) {
  .hero-grid, .feature, .founding-grid { grid-template-columns: 1fr; }
  .feature.flip .feature-copy { order: 0; }
  .feature.flip { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .feature-ai .points { grid-template-columns: 1fr; }
  .swap-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  nav a:not(.btn) { display: none; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .swap-grid, .field-row { grid-template-columns: 1fr; }
  .phones-2 { gap: .6rem; }
  .phones-2 .phone:last-child { margin-top: 1.5rem; }
  .phone img { border-width: 5px; border-radius: 20px; }
  .btn-small { padding: .5rem .8rem; font-size: .82rem; }
  .wordmark { font-size: 1.15rem; }
}