:root {
  --bg: #f4f5f7;
  --bg-raised: #ffffff;
  --ink: #0e1014;
  --muted: #5c6370;
  --faint: #8a919c;
  --line: #d8dce3;
  --accent: #ff4d00;
  --accent-deep: #d93a00;
  --on-accent: #ffffff;
  --chip: #fff0e8;
  --shadow: 0 16px 40px rgba(14, 16, 20, 0.06);
  --font: "Bricolage Grotesque", "Segoe UI", sans-serif;
  --nav-h: 4.25rem;
  --radius: 20px;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #090a0c;
  --bg-raised: #111317;
  --ink: #f7f8fa;
  --muted: #9298a3;
  --faint: #666c76;
  --line: #292d34;
  --chip: #1a0f0a;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, input { font: inherit; }
.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.nav-links {
  display: none;
  gap: 1.1rem;
  margin-left: auto;
}
.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 600;
}
.nav-links a:hover { color: var(--ink); }
.nav-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nav-links + .nav-actions { margin-left: 0; }

.icon-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
}
.icon-btn svg { width: 1.15rem; height: 1.15rem; }
html[data-theme="dark"] .icon-sun,
html:not([data-theme="dark"]) .icon-moon { display: none; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.btn-primary:hover { background: var(--accent-deep); }
.btn-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-sm { min-height: 2.5rem; padding: 0.4rem 0.85rem; font-size: 0.92rem; }

.hero {
  padding: 2.5rem 0 1rem;
}
.kicker {
  margin: 0 0 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1, h2, h3 { letter-spacing: -0.04em; line-height: 1.05; }
h1 {
  margin: 0;
  font-size: clamp(2.4rem, 7vw, 4.6rem);
  max-width: 14ch;
}
.lede {
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin: 1.4rem 0 1rem;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0;
  margin: 0;
  list-style: none;
}
.chips li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-raised);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
}

.shot-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(68vw, 240px);
  gap: 0.9rem;
  overflow-x: auto;
  padding: 1.5rem 0 2rem;
  scroll-snap-type: x mandatory;
}
.shot {
  scroll-snap-align: start;
  margin: 0;
}
.shot img, .shot picture img {
  width: 100%;
  height: auto;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  box-shadow: var(--shadow);
}
.shot figcaption {
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.section { padding: 3.2rem 0; }
.section h2 {
  margin: 0 0 0.6rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  max-width: 18ch;
}
.section > .wrap > p.intro,
.intro {
  max-width: 40rem;
  color: var(--muted);
  margin-top: 0;
}

.cards {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
}
.card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.2rem;
}
.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}
.card p { margin: 0; color: var(--muted); }
.card a { color: var(--accent); font-weight: 700; }

.steps {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.5rem;
  counter-reset: step;
  padding: 0;
  list-style: none;
}
.steps li {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.15rem 4.2rem;
  position: relative;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--chip);
  color: var(--accent);
  font-weight: 800;
}
.steps strong { display: block; margin-bottom: 0.25rem; }
.steps p { margin: 0; color: var(--muted); }

.uses {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.4rem;
}
.uses a {
  display: block;
  text-decoration: none;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem 1.1rem;
}
.uses a:hover { border-color: var(--accent); }
.uses strong { display: block; }
.uses span { color: var(--muted); font-size: 0.95rem; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.faq p { color: var(--muted); margin: 0.55rem 0 0.3rem; }
.faq a { color: var(--accent); font-weight: 700; }

.download {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 1.6rem 1.3rem;
  display: grid;
  gap: 0.8rem;
  justify-items: start;
}
.download img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
}
.download h2 { margin: 0; max-width: 16ch; }
.download p { margin: 0; color: var(--muted); max-width: 36rem; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 6.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid;
  gap: 1rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
}
.footer-links a { color: var(--muted); font-weight: 600; }
.fine { color: var(--faint); max-width: 46rem; }

.sticky-cta {
  position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 12;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.7rem 0.8rem 0.7rem 1rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.sticky-cta[hidden] { display: none; }
.sticky-cta strong { display: block; letter-spacing: -0.03em; }
.sticky-cta span { color: var(--muted); font-size: 0.82rem; }

.crumbs {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 1.2rem 0 0;
}
.crumbs a { color: var(--muted); }
.prose { max-width: 42rem; padding-bottom: 2rem; }
.prose h1 { font-size: clamp(2.1rem, 6vw, 3.4rem); max-width: 18ch; margin-top: 0.4rem; }
.prose h2 { font-size: 1.45rem; margin: 2rem 0 0.5rem; }
.prose h3 { font-size: 1.15rem; margin: 1.4rem 0 0.4rem; }
.prose p, .prose li { color: var(--muted); }
.prose strong { color: var(--ink); }
.prose a { color: var(--accent); font-weight: 700; }
.prose ol, .prose ul { padding-left: 1.2rem; }
.guide-shot {
  width: min(240px, 70%);
  margin: 1.2rem 0;
}
.guide-shot img {
  border-radius: 24px;
  border: 1px solid var(--line);
}
.related {
  display: grid;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}
.related a { font-weight: 700; }

@media (min-width: 800px) {
  .nav-links { display: flex; }
  .nav-actions { margin-left: 0; }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 2rem;
    align-items: end;
  }
  .shot-row {
    grid-auto-flow: unset;
    grid-template-columns: repeat(4, 1fr);
    overflow: visible;
  }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .uses { grid-template-columns: 1fr 1fr; }
  .sticky-cta { display: none; }
  .site-footer { padding-bottom: 2.5rem; }
  .footer-grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}