/* Foghorn — shared styles. Zero dependencies. */
:root {
  --bg: #fafaf8;
  --fg: #1c1c1e;
  --fg-muted: #6e6e73;
  --accent: #0a66c2;
  --accent-fg: #ffffff;
  --card: #ffffff;
  --border: #e3e3e0;
  --code-bg: #f0f0ee;
  color-scheme: light dark;

  /* Brand palette (marketing pages: index.html, press.html).
     Sampled from assets/foghorn_b.png (app icon) + in-app UI. */
  --brand-navy: #0d3540;
  --brand-navy-deep: #08252c;
  --brand-teal: #0c7a70;
  --brand-teal-bright: #2ec4b6;
  --brand-amber: #b96e0a;
  --brand-amber-bright: #ff9f1c;
  --brand-cream: #f7f1e3;
  --brand-on-navy: #f7f1e3;
  --brand-on-navy-muted: #b7cdd1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --fg: #f2f2f4;
    --fg-muted: #9a9aa2;
    --accent: #6cb2ff;
    --accent-fg: #0b1a2a;
    --card: #1b1b1e;
    --border: #2c2c30;
    --code-bg: #202024;

    --brand-navy: #0a2830;
    --brand-navy-deep: #061c22;
    --brand-teal: #2ec4b6;
    --brand-teal-bright: #55d6c9;
    --brand-amber: #eea85e;
    --brand-amber-bright: #eea85e;
    --brand-cream: #f2ead9;
    --brand-on-navy: #f2ead9;
    --brand-on-navy-muted: #9dbcc0;
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", "Noto Sans JP", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

header.site {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

header.site a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.95rem;
}

header.site a:hover {
  color: var(--accent);
}

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 1.2rem 0 0.4rem;
}

h2 {
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 2.2rem 0 0.6rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

h3 {
  font-size: 1.1rem;
  margin: 1.6rem 0 0.4rem;
}

p, ul, ol {
  margin: 0.6rem 0;
}

ul, ol {
  padding-left: 1.4rem;
}

li {
  margin: 0.3rem 0;
}

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

strong {
  font-weight: 600;
}

.meta {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.lang-note {
  color: var(--fg-muted);
  font-size: 0.9rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  margin: 1.2rem 0;
}

.lang-note a {
  color: var(--accent);
}

section.lang {
  margin-top: 1rem;
}

section.lang + section.lang {
  margin-top: 3rem;
  border-top: 2px solid var(--border);
  padding-top: 1rem;
}

footer.site {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.9rem;
}

footer.site nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  margin-bottom: 0.8rem;
}

footer.site a {
  color: var(--fg-muted);
  text-decoration: none;
}

footer.site a:hover {
  color: var(--accent);
}

/* Landing page hero */
.hero {
  text-align: center;
  margin: 1.5rem 0 2.5rem;
  padding: 3rem 1.5rem 2.8rem;
  border-radius: 28px;
  background:
    radial-gradient(120% 140% at 18% 12%, rgba(46, 196, 182, 0.35), transparent 55%),
    linear-gradient(160deg, var(--brand-navy-deep), var(--brand-navy) 70%);
  color: var(--brand-on-navy);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.hero .app-icon {
  width: 84px;
  height: 84px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.hero h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  margin: 1.2rem 0 0.7rem;
  color: var(--brand-on-navy);
}

.hero .tagline {
  font-size: 1.15rem;
  color: var(--brand-on-navy);
  opacity: 0.92;
  max-width: 32rem;
  margin: 0 auto;
}

.hero .tagline-ja {
  font-size: 1rem;
  color: var(--brand-on-navy-muted);
  max-width: 30rem;
  margin: 0.5rem auto 0;
}

.hero .store-button {
  margin-top: 1.9rem;
}

.hero .fine-print {
  margin-top: 0.8rem;
  font-size: 0.85rem;
  color: var(--brand-on-navy-muted);
}

.store-button {
  display: inline-block;
  padding: 0.85rem 1.7rem;
  background: var(--fg);
  color: var(--bg);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

.store-button:hover {
  opacity: 0.85;
}

/* eyebrow label above a section heading */
.eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-teal);
}

.features {
  display: grid;
  gap: 1.1rem;
  margin-top: 1.5rem;
}

.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.3rem 1.3rem 1.5rem;
  overflow: hidden;
}

.feature .feature-shot {
  display: block;
  width: 100%;
  height: auto;
  max-width: 220px;
  margin: 0 auto 1.1rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

.feature h3 {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
}

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

.feature--amber h3 { color: var(--brand-amber); }
.feature--teal h3 { color: var(--brand-teal); }
.feature--navy h3 { color: var(--brand-navy); }

@media (prefers-color-scheme: dark) {
  .feature--amber h3 { color: var(--brand-amber-bright); }
  .feature--teal h3 { color: var(--brand-teal-bright); }
  .feature--navy h3 { color: var(--brand-on-navy-muted); }
}

/* FAQ */
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem 1.3rem;
  margin: 1rem 0;
}

.faq-item h3 {
  margin: 0 0 0.5rem;
}

.faq-item p, .faq-item ul {
  font-size: 0.97rem;
}

.contact-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
  margin: 2rem 0 0;
  text-align: center;
}

/* Bottom-of-page call to action band */
.cta-band {
  text-align: center;
  margin: 2.6rem 0 1rem;
  padding: 2.2rem 1.5rem;
  border-radius: 24px;
  background: var(--card);
  border: 1px solid var(--border);
}

.cta-band h2 {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.cta-band p {
  color: var(--fg-muted);
  max-width: 30rem;
  margin: 0.4rem auto 1.4rem;
}

@media (min-width: 640px) {
  .features {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature .feature-shot {
    max-width: 100%;
  }
}

/* ---------------------------------------------------------- */
/* Press kit page (press.html)                                 */
/* ---------------------------------------------------------- */

.press-hero {
  padding: 2.5rem 0 1rem;
}

.press-hero .app-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.fact-sheet {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.4rem 1.3rem;
  margin: 1rem 0;
}

.fact-sheet dt {
  font-weight: 600;
  color: var(--fg-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 1rem;
}

.fact-sheet dd {
  margin: 0.15rem 0 1rem;
  font-size: 1rem;
}

.asset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
  margin: 1rem 0;
}

.asset-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem;
  text-align: center;
}

.asset-card img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: block;
  margin-bottom: 0.6rem;
}

.asset-card .asset-icon-img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 0.6rem;
}

.asset-card figcaption {
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.asset-card a {
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
}

.download-btn {
  display: inline-block;
  margin: 0.6rem 0 0.4rem;
  padding: 0.8rem 1.5rem;
  background: var(--brand-teal);
  color: #ffffff;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
}

.download-btn:hover {
  opacity: 0.88;
}

@media (prefers-color-scheme: dark) {
  .download-btn {
    background: var(--brand-teal-bright);
    color: #072220;
  }
}

@media (min-width: 640px) {
  .asset-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}