/* src/web/base.css */
:root {
  --buncss-light: initial;
  --buncss-dark: ;
  color-scheme: light dark;
  -webkit-font-smoothing: antialiased;
  --bg: #f4f5ee;
  --surface: #fffef9;
  --ink: #192820;
  --muted: #5e6d63;
  --line: #d9e0d7;
  --accent: #176a42;
  --accent-ink: #fff;
  --soft: #e7f3e7;
  --danger: #a93227;
  --amber: #e6aa3a;
  --ready: #64df93;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica Neue, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --buncss-light: ;
    --buncss-dark: initial;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  margin: 0;
}

button, input, select {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

:where(a, button, input, select, summary):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.site-header {
  display: flex;
  padding: 1rem max(1rem, calc((100vw - var(--page, 1020px)) / 2));
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  align-items:  center;
  gap: 1rem;
}

.brand {
  letter-spacing: -.03em;
  text-decoration: none;
  font-size: 1.13rem;
  font-weight: 800;
}

.brand span {
  color: var(--accent);
}

.header-note {
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  font-size: .75rem;
  font-weight: 700;
}

.eyebrow {
  color: var(--accent);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin: 0 0 .65rem;
  font-size: .78rem;
  font-weight: 800;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  box-shadow: 0 4px 18px #0e2d1b0a;
}

.card h2 {
  letter-spacing: -.02em;
  margin: 0;
  font-size: 1.15rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1510;
    --surface: #17231a;
    --ink: #ebf3e9;
    --muted: #a4b9a7;
    --line: #314536;
    --accent: #8bdca2;
    --accent-ink: #0e2114;
    --soft: #203d2a;
    --danger: #ff8a7e;
  }

  .card {
    box-shadow: none;
  }
}

:root:not([data-advanced]) .advanced-only {
  display: none !important;
}

/* src/web/home.css */
:root {
  --page: 1120px;
}

.home-main {
  width: min(100%, 1160px);
  margin-inline-start: auto;
  margin-inline-end: auto;
  padding: 24px 20px 32px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  border: 1px solid var(--line);
  background: linear-gradient(130deg, var(--surface), var(--soft));
  border-radius: 28px;
  align-items:  center;
  gap: 40px;
  padding: 48px;
}

.hero-copy {
  min-width: 0;
}

.hero h1 {
  letter-spacing: -.06em;
  text-wrap: balance;
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1.01;
}

.hero-lede {
  color: var(--muted);
  text-wrap: pretty;
  max-width: 36rem;
  margin: 24px 0 0;
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button-primary, .button-secondary {
  display: inline-flex;
  border: 1px solid var(--accent);
  text-decoration: none;
  border-radius: 12px;
  justify-content: center;
  align-items:  center;
  gap: 20px;
  min-height: 48px;
  padding: 12px 20px;
  transition: background-color .15s, scale .15s;
  font-weight: 800;
}

.button-primary {
  color: var(--accent-ink);
  background: var(--accent);
}

.button-secondary {
  color: var(--accent);
  background: var(--surface);
}

.button-primary:hover {
  filter: brightness(1.08);
}

.button-secondary:hover {
  background: var(--soft);
}

.button-primary:active, .button-secondary:active {
  scale: .96;
}

.hero-display {
  border: 1px solid var(--line);
  background: var(--soft);
  border-radius: 22px;
  min-width: 0;
  padding: 20px;
}

.display-top {
  display: flex;
  color: var(--muted);
  letter-spacing: .12em;
  justify-content: space-between;
  gap: 12px;
  font-size: 11px;
  font-weight: 800;
}

.display-drawing {
  display: block;
  width: 100%;
  max-height: 250px;
  margin: 12px auto 0;
}

.drawing-golfer {
  fill: var(--accent);
}

.drawing-phone {
  fill: var(--ink);
}

.drawing-screen {
  fill: var(--surface);
}

.drawing-body, .drawing-ground {
  stroke: var(--ink);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.drawing-ground {
  stroke-width: 2;
  opacity: .4;
}

.drawing-sight, .drawing-swing {
  stroke: var(--accent);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 5 7;
}

.drawing-ball {
  fill: var(--accent);
}

.display-cue {
  display: grid;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 16px;
  gap: 8px;
  padding: 20px;
}

.display-label {
  color: var(--accent);
  letter-spacing: .12em;
  font-size: 11px;
  font-weight: 800;
}

.display-cue strong {
  letter-spacing: -.03em;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  line-height: 1.2;
}

.display-cue > span:last-child {
  color: var(--muted);
  font-size: .875rem;
}

.home-section {
  margin-top: 64px;
}

.home-section h2 {
  letter-spacing: -.045em;
  text-wrap: balance;
  margin: 0 0 20px;
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.1;
}

.steps-grid, .fault-grid {
  display: grid;
  gap: 12px;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.fault-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.step-card {
  position: relative;
  min-height: 240px;
  padding: 24px;
}

.step-icon {
  display: grid;
  background: var(--soft);
  border-radius: 16px;
  place-items:  center;
  width: 56px;
  height: 56px;
}

.step-icon svg {
  stroke: var(--accent);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  width: 40px;
  height: 40px;
}

.step-number, .fault-card > span {
  color: var(--accent);
  letter-spacing: .1em;
  font-size: 11px;
  font-weight: 800;
}

.step-number {
  position: absolute;
  top: 28px;
  right: 24px;
}

.step-card h3, .fault-card h3 {
  letter-spacing: -.025em;
  margin: 24px 0 8px;
  font-size: 1.25rem;
  line-height: 1.2;
}

.step-card p, .fault-card p {
  color: var(--muted);
  text-wrap: pretty;
  margin: 0;
  line-height: 1.45;
}

.fault-card {
  min-height: 188px;
  padding: 24px;
}

.fault-card h3 {
  margin-top: 28px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 64px;
  padding: 20px 0 0;
  font-size: .875rem;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-display {
    max-width: 540px;
  }

  .fault-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .home-main {
    padding: 16px 16px 32px;
  }

  .hero {
    border-radius: 22px;
    gap: 28px;
    padding: 28px 20px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 12vw, 4rem);
  }

  .hero-lede {
    margin-top: 20px;
  }

  .hero-actions {
    display: grid;
    margin-top: 24px;
  }

  .button-primary, .button-secondary {
    justify-content: space-between;
  }

  .hero-display {
    padding: 16px;
  }

  .display-drawing {
    max-height: 180px;
  }

  .home-section {
    margin-top: 48px;
  }

  .steps-grid, .fault-grid {
    grid-template-columns: 1fr;
  }

  .step-card, .fault-card {
    min-height: 0;
  }

  footer {
    margin-top: 48px;
  }
}