/* Hullspark — shared stylesheet. No build step, no external assets. */

:root {
  --navy: #1f2a44;
  --navy-deep: #182238;
  --teal: #4fd1c5;
  --teal-dark: #1f8f85;
  --orange: #f5a94e;
  --ink: #1d2433;
  --muted: #5c6578;
  --line: #e3e7ee;
  --paper: #fbfcfd;
  --card: #ffffff;
  --link: #176b64;
  --max: 56rem;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
    "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
}

a { color: var(--link); }
a:hover { color: var(--teal-dark); }

img { max-width: 100%; height: auto; }

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.25rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.site-nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  color: #d7dde8;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--orange);
}

/* Layout */
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}
main.wrap { padding-top: 2rem; padding-bottom: 3rem; }

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 0.75rem; }
h2 { font-size: 1.35rem; margin: 2rem 0 0.6rem; }
h3 { font-size: 1.1rem; margin: 1.4rem 0 0.4rem; }
p { margin: 0.6rem 0; }
ul, ol { padding-left: 1.4rem; }
li { margin: 0.3rem 0; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: #eef1f6;
  padding: 0.05em 0.35em;
  border-radius: 4px;
}
.lead { font-size: 1.1rem; color: var(--muted); }
.muted { color: var(--muted); }
.small { font-size: 0.9rem; }

/* Hero */
.hero {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.hero img {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  box-shadow: 0 6px 20px rgba(31, 42, 68, 0.18);
  flex: 0 0 auto;
}
.hero > div { flex: 1 1 18rem; }

/* App cards */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  margin: 1rem 0 2rem;
  padding: 0;
  list-style: none;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.1rem 1.2rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card h2 { margin: 0; font-size: 1.15rem; }
.card p { margin: 0; }
.badge {
  display: inline-block;
  align-self: flex-start;
  margin-top: 0.4rem;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: #fff3e0;
  color: #8a4b00;
  border: 1px solid #f7c98a;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Notes / callouts */
.note {
  border-left: 4px solid var(--teal);
  background: #eefaf8;
  padding: 0.7rem 1rem;
  border-radius: 0 8px 8px 0;
  margin: 1rem 0;
}

/* Language switch on the privacy page */
.lang-switch {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 0.5rem 0 1.5rem;
  font-size: 0.95rem;
}
.lang-switch a {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  background: #fff;
}
.policy section + section {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}
.policy .meta {
  color: var(--muted);
  font-size: 0.95rem;
}
.policy h3 { margin-top: 1.3rem; }

/* FAQ */
.faq details {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  padding: 0.6rem 1rem;
  margin: 0.5rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
}
.faq details p { margin: 0.5rem 0 0.2rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem;
}
.site-footer a { color: var(--muted); }

@media (max-width: 40rem) {
  h1 { font-size: 1.55rem; }
  .site-header .wrap { padding: 0.8rem 1rem; }
  .wrap { padding-left: 1rem; padding-right: 1rem; }
  .hero img { width: 72px; height: 72px; border-radius: 16px; }
}