/*
  Focus Safari LP — no build step, no framework, one stylesheet.
  Palette is a warm savanna: sun, clay, grass, on paper/night backgrounds.
*/

:root {
  --sun: #e8a33d;
  --clay: #c4622d;
  --grass: #4a7c59;

  --bg: #fdf8f0;
  --bg-raised: #ffffff;
  --bg-sunk: #f5ece0;
  --ink: #2c241c;
  --ink-muted: #6d6154;
  --line: #e5d8c6;
  --shadow: 0 1px 2px rgb(44 36 28 / 6%), 0 8px 24px rgb(44 36 28 / 6%);

  --radius: 14px;
  --measure: 62rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --sun: #f0b558;
    --clay: #e08350;
    --grass: #7bb389;

    --bg: #1a1613;
    --bg-raised: #241f1a;
    --bg-sunk: #14100d;
    --ink: #f2e9dc;
    --ink-muted: #a89b8a;
    --line: #3a322a;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%), 0 8px 24px rgb(0 0 0 / 24%);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── Bilingual toggle ─────────────────────────────────────────────────
   Scoped under `body` so the lang attribute on <html> is never a target. */

body [lang="ja"] {
  display: none;
}

html[data-lang="ja"] body [lang="ja"] {
  display: revert;
}

html[data-lang="ja"] body [lang="en"] {
  display: none;
}

/* ── Primitives ───────────────────────────────────────────────────────── */

h1,
h2,
h3 {
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.1rem, 5.5vw, 3.3rem);
}

h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
}

h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--clay);
}

code {
  padding: 0.1em 0.4em;
  border-radius: 5px;
  background: var(--bg-sunk);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  word-break: break-all;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--grass);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede,
.section__lede {
  color: var(--ink-muted);
  font-size: 1.1rem;
}

.fineprint,
.note {
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.note {
  max-width: 46rem;
  margin: 1.5rem auto 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--sun);
  border-radius: 0 8px 8px 0;
  background: var(--bg-sunk);
}

/* ── Top bar ──────────────────────────────────────────────────────────── */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid transparent;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  color: inherit;
  font-weight: 700;
  text-decoration: none;
}

.brand__mark {
  font-size: 1.4rem;
}

.topbar__nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: 0.92rem;
}

.topbar__nav a {
  color: var(--ink-muted);
  text-decoration: none;
}

.topbar__nav a:hover {
  color: var(--ink);
}

.lang-toggle {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-raised);
  color: var(--ink);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.lang-toggle:hover {
  border-color: var(--sun);
}

@media (width < 40rem) {
  .topbar__nav a {
    display: none;
  }
}

/* ── Layout ───────────────────────────────────────────────────────────── */

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}

.section > h2,
.section > .section__lede {
  max-width: 42rem;
}

/* ── Hero ─────────────────────────────────────────────────────────────── */

.hero {
  display: grid;
  gap: 3rem;
  align-items: center;
  padding: 3.5rem 0 4.5rem;
  grid-template-columns: 1.15fr 0.85fr;
}

@media (width < 56rem) {
  .hero {
    grid-template-columns: 1fr;
  }
}

.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 1rem;
}

.button {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--clay);
  box-shadow: var(--shadow);
  color: #fff;
}

.button--ghost {
  border-color: var(--line);
  background: var(--bg-raised);
  color: var(--ink);
}

.button--ghost:hover {
  border-color: var(--sun);
}

/* ── Panel mock ───────────────────────────────────────────────────────── */

.panel {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
  box-shadow: var(--shadow);
}

.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line);
}

.panel__title {
  font-size: 0.9rem;
  font-weight: 700;
}

.panel__timer {
  color: var(--ink-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
}

.panel__field {
  display: grid;
  gap: 0.5rem;
  padding: 1.25rem 0.5rem;
  background:
    radial-gradient(
      circle at 20% 85%,
      color-mix(in srgb, var(--grass) 16%, transparent),
      transparent 45%
    ),
    radial-gradient(
      circle at 80% 15%,
      color-mix(in srgb, var(--sun) 18%, transparent),
      transparent 45%
    );
  border-radius: 10px;
  grid-template-columns: repeat(4, 1fr);
  place-items: center;
}

.critter {
  font-size: 1.9rem;
  animation: bob 3.4s ease-in-out infinite;
}

.critter--pro {
  filter: drop-shadow(0 0 8px color-mix(in srgb, var(--sun) 70%, transparent));
}

.critter--2 {
  animation-delay: 0.4s;
}
.critter--3 {
  animation-delay: 0.8s;
}
.critter--4 {
  animation-delay: 1.2s;
}
.critter--5 {
  animation-delay: 1.6s;
}
.critter--6 {
  animation-delay: 2s;
}
.critter--7 {
  animation-delay: 2.4s;
}
.critter--8 {
  animation-delay: 2.8s;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

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

  .critter {
    animation: none;
  }
}

.panel__next {
  margin: 0.75rem 0 0;
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* ── Steps ────────────────────────────────────────────────────────────── */

.steps {
  display: grid;
  gap: 1.5rem;
  margin: 2rem 0 0;
  padding: 0;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  list-style: none;
}

.steps li {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
}

.steps__icon {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 1.6rem;
}

.steps p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* ── Roster ───────────────────────────────────────────────────────────── */

.roster {
  display: grid;
  gap: 0.6rem;
  margin: 2rem 0 0;
  padding: 0;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  list-style: none;
}

.roster__item {
  display: grid;
  gap: 0.75rem;
  align-items: center;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raised);
  grid-template-columns: auto 1fr auto auto;
}

.roster__item--pro {
  border-color: color-mix(in srgb, var(--sun) 45%, var(--line));
  background: color-mix(in srgb, var(--sun) 7%, var(--bg-raised));
}

.roster__emoji {
  font-size: 1.4rem;
}

.roster__name {
  font-weight: 600;
}

.roster__time {
  color: var(--ink-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
}

.tag {
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag--free {
  background: color-mix(in srgb, var(--grass) 18%, transparent);
  color: var(--grass);
}

.tag--pro {
  background: color-mix(in srgb, var(--sun) 24%, transparent);
  color: color-mix(in srgb, var(--clay) 85%, var(--ink));
}

/* ── Pro ──────────────────────────────────────────────────────────────── */

.section--pro {
  border-top: none;
}

.pro {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem;
  border: 1px solid color-mix(in srgb, var(--sun) 40%, var(--line));
  border-radius: 20px;
  background: linear-gradient(
    140deg,
    color-mix(in srgb, var(--sun) 12%, var(--bg-raised)),
    var(--bg-raised) 60%
  );
  box-shadow: var(--shadow);
  grid-template-columns: 1.2fr 0.8fr;
}

@media (width < 56rem) {
  .pro {
    padding: 1.75rem;
    grid-template-columns: 1fr;
  }
}

.pro h2 {
  margin-top: 0;
}

.checklist {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  margin-bottom: 0.6rem;
  padding-left: 1.75rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.checklist li::before {
  position: absolute;
  left: 0;
  color: var(--grass);
  content: "🐾";
  font-size: 0.9rem;
}

.pro__grid {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(auto-fit, minmax(3.5rem, 1fr));
  list-style: none;
}

.pro__grid li {
  display: grid;
  aspect-ratio: 1;
  border: 1px solid color-mix(in srgb, var(--sun) 35%, var(--line));
  border-radius: 12px;
  background: var(--bg-raised);
  font-size: 1.7rem;
  place-items: center;
}

/* ── Cards ────────────────────────────────────────────────────────────── */

.cards {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.card {
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-raised);
}

.card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* ── Install ──────────────────────────────────────────────────────────── */

.install {
  max-width: 42rem;
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
  color: var(--ink-muted);
}

.install li {
  margin-bottom: 0.6rem;
  padding-left: 0.35rem;
}

.install::marker,
.install li::marker {
  color: var(--sun);
  font-weight: 700;
}

.manual {
  max-width: 42rem;
  margin-top: 1.5rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.manual summary {
  color: var(--ink);
  cursor: pointer;
}

.manual p {
  margin: 0.6rem 0 0;
}

/* ── FAQ ──────────────────────────────────────────────────────────────── */

.faq {
  max-width: 46rem;
  margin-top: 2rem;
}

.faq details {
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raised);
  margin-bottom: 0.6rem;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
}

.faq details[open] summary {
  margin-bottom: 0.6rem;
}

.faq p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

/* ── Footer ───────────────────────────────────────────────────────────── */

.footer {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.9rem;
  text-align: center;
}

.footer__brand {
  margin: 0 0 0.75rem;
  color: var(--ink);
  font-weight: 700;
}

.footer__links {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.footer__note {
  margin: 0;
}
