/* ---------- Tokens ---------- */
:root {
  --bg: #0B0F0D;
  --surface: #111714;
  --surface-2: #161E1A;
  --border: #1E2A24;
  --border-strong: #2A3A33;
  --text: #F2F5F1;
  --text-muted: #9AA59E;
  --brand: #519143;
  --brand-bright: #6BAD55;
  --brand-soft: rgba(81, 145, 67, 0.14);
  --brand-glow: rgba(81, 145, 67, 0.30);
  --shadow-lg: 0 30px 80px -20px rgba(0, 0, 0, 0.55);

  --container: 1120px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

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

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
:focus-visible { outline: 2px solid var(--brand-bright); outline-offset: 3px; border-radius: 6px; }

h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.15; letter-spacing: -0.015em; font-weight: 700; }
h1 { font-size: clamp(2.25rem, 5.2vw, 4.25rem); letter-spacing: -0.025em; }
h2 { font-size: clamp(1.75rem, 3.8vw, 2.6rem); letter-spacing: -0.02em; }
h3 { font-size: 1.35rem; }
h4 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); font-weight: 600; }
p  { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }
.section { padding-block: clamp(64px, 10vw, 120px); }

.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-bright);
}
.lead { color: var(--text-muted); font-size: 1.075rem; max-width: 60ch; }
.section-head { max-width: 760px; margin: 0 auto clamp(40px, 6vw, 72px); text-align: center; }
.section-head .lead { margin-inline: auto; }

.skip-link {
  position: absolute; top: -40px; left: 12px;
  background: var(--brand); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 100;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  border-radius: var(--radius-pill);
  font-weight: 600; font-size: 0.97rem; letter-spacing: 0.005em;
  border: 1px solid transparent;
  transition: transform .12s ease, background-color .15s ease, border-color .15s ease, box-shadow .2s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 10px 30px -10px var(--brand-glow); }
.btn-primary:hover { background: var(--brand-bright); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--brand-bright); color: var(--brand-bright); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 0.9rem; }
.btn-lg { min-height: 56px; padding: 0 28px; font-size: 1.05rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: transparent;
  transition: background-color .25s ease, border-color .25s ease, backdrop-filter .25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(11, 15, 13, 0.78);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
          backdrop-filter: saturate(140%) blur(12px);
  border-bottom-color: var(--border);
}
.header-inner { display: flex; align-items: center; gap: 24px; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand-name { font-size: 1.05rem; }
.primary-nav { margin-left: auto; display: none; gap: 28px; font-size: 0.95rem; color: var(--text-muted); }
.primary-nav a:hover { color: var(--text); }
.site-header .btn { margin-left: auto; }
@media (min-width: 820px) {
  .primary-nav { display: inline-flex; }
  .site-header .btn { margin-left: 0; }
}

/* ---------- Device frame ---------- */
.device {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  position: relative;
}
.device img { border-radius: 12px; display: block; }
.device-glow::before {
  content: "";
  position: absolute; inset: -40% -20% auto -20%;
  height: 70%;
  background: radial-gradient(60% 60% at 50% 30%, var(--brand-glow), transparent 70%);
  z-index: -1;
  filter: blur(40px);
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(80px, 12vw, 140px) clamp(48px, 8vw, 80px); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -10% -20% auto -20%; height: 80%;
  background: radial-gradient(50% 60% at 70% 40%, var(--brand-soft), transparent 70%);
  pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1fr; gap: 56px; align-items: center; }
.hero-copy h1 { margin-bottom: 18px; }
.hero-copy .lead { font-size: 1.18rem; margin-bottom: 28px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.hero-qr-card {
  display: inline-flex; align-items: center; gap: 16px;
  background: rgba(22, 30, 26, 0.65);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 14px 20px 14px 14px;
  margin-bottom: 12px;
  transition: border-color 0.3s;
}
.hero-qr-card:hover { border-color: var(--brand); }
.hero-qr-code {
  width: 110px; height: 110px; flex-shrink: 0;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 6px;
}
.hero-qr-text { display: flex; flex-direction: column; gap: 2px; text-align: left; }
.hero-qr-title { font-size: 0.95rem; font-weight: 600; color: var(--text); }
.hero-qr-sub { font-size: 0.82rem; color: var(--text-muted); line-height: 1.4; }
@media (max-width: 480px) { .hero-qr-card { display: none; } }
.micro-trust { color: var(--text-muted); font-size: 0.9rem; margin: 0; }
.hero-visual { display: flex; justify-content: center; }
.hero-visual .device { max-width: 380px; }
@media (min-width: 900px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 72px; }
  .hero-visual { justify-content: flex-end; }
}

/* ---------- Problem ---------- */
.problem { background: linear-gradient(180deg, var(--bg), var(--surface) 100%); }
.pain-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 18px; grid-template-columns: 1fr; }
.pain {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.pain-icon {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--brand-soft); color: var(--brand-bright);
}
.pain p { margin: 0; color: var(--text); font-weight: 500; }
@media (min-width: 800px) { .pain-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Workflow ---------- */
.workflow-grid { display: grid; gap: 28px; grid-template-columns: 1fr; }
.workflow-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex; flex-direction: column; gap: 16px;
  transition: border-color .2s ease, transform .2s ease;
}
.workflow-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.workflow-card .device { padding: 8px; }
.workflow-card .device img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
}
.workflow-card h3 { margin: 0; }
.workflow-card .eyebrow { margin: 0; }
.tick-list { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 8px; color: var(--text-muted); }
.tick-list li { position: relative; padding-left: 22px; }
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 12px; height: 12px;
  background: var(--brand); border-radius: 4px;
  clip-path: polygon(20% 50%, 0 70%, 40% 100%, 100% 25%, 80% 10%, 40% 70%);
}
.tick-list.big li { font-size: 1.05rem; color: var(--text); padding-left: 26px; }
.tick-list.big li::before { width: 14px; height: 14px; top: 0.6em; }
@media (min-width: 820px) { .workflow-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Spotlight ---------- */
.spotlight {
  position: relative;
  background:
    radial-gradient(60% 80% at 80% 30%, var(--brand-soft), transparent 70%),
    var(--bg);
  border-block: 1px solid var(--border);
  overflow: hidden;
}
.spotlight-grid { display: grid; grid-template-columns: 1fr; gap: 56px; align-items: center; }
.spotlight-visual { display: flex; justify-content: center; }
.spotlight-visual .device { max-width: 380px; }
@media (min-width: 900px) {
  .spotlight-grid { grid-template-columns: 1.1fr 0.9fr; gap: 72px; }
  .spotlight-visual { justify-content: flex-end; }
}

/* ---------- Tactics ---------- */
.tactics-grid { display: grid; grid-template-columns: 1fr; gap: 56px; align-items: center; }
.tactics-visual { display: flex; justify-content: center; order: -1; }
.tactics-visual .device { max-width: 360px; }
.inline-list { list-style: none; padding: 0; margin: 4px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.inline-list li {
  border: 1px solid var(--border-strong); color: var(--text);
  padding: 8px 14px; border-radius: var(--radius-pill); font-size: 0.92rem;
  background: var(--surface);
}
@media (min-width: 900px) {
  .tactics-grid { grid-template-columns: 0.9fr 1.1fr; gap: 72px; }
  .tactics-visual { justify-content: flex-start; order: 0; }
}

/* ---------- Why coaches ---------- */
.value-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.value-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
}
.value-tile::before {
  content: ""; position: absolute; left: 24px; top: 24px;
  width: 28px; height: 4px; border-radius: 4px; background: var(--brand);
}
.value-tile h3 { margin-top: 18px; font-size: 1.1rem; }
.value-tile p { margin: 0; color: var(--text-muted); }
@media (min-width: 720px) { .value-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .value-grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- Trust ---------- */
.trust { background: linear-gradient(180deg, var(--surface), var(--bg)); }
.pill-row { list-style: none; padding: 0; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; max-width: 720px; }
.pill-row li {
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  padding: 10px 16px; border-radius: var(--radius-pill); font-size: 0.92rem;
}

/* ---------- Final CTA ---------- */
.final-cta { text-align: center; }
.final-cta-inner {
  max-width: 720px; margin-inline: auto;
  background:
    radial-gradient(60% 100% at 50% 0%, var(--brand-soft), transparent 70%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(40px, 6vw, 64px) clamp(24px, 5vw, 48px);
}
.final-cta-inner .lead { margin-inline: auto; margin-bottom: 24px; }
.cta-actions {
  display: flex; align-items: center; justify-content: center; gap: 32px; flex-wrap: wrap;
}
.qr-block { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.qr-img {
  width: 140px; height: 140px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px;
}
.qr-label { font-size: 0.82rem; color: var(--text-muted); margin: 0; }
@media (max-width: 480px) { .qr-block { display: none; } }
.final-cta-inner .micro-trust { margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding-block: 56px; background: var(--bg); }
.footer-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
.footer-tag { color: var(--text-muted); margin: 12px 0 16px; max-width: 36ch; }
.footer-copy { color: var(--text-muted); font-size: 0.88rem; margin: 0; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 { margin-bottom: 6px; }
.footer-col a { color: var(--text-muted); }
.footer-col a:hover { color: var(--text); }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; gap: 56px; } }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}