/* Ciomia — shared site styles. Self-contained, zero external requests.
   Dark-first, light via prefers-color-scheme. Matches the app design system. */

:root {
  color-scheme: dark light;
  --bg: #293A4A;
  --bg-deep: #1A2535;
  --card: #0E2837;
  --card-2: #162330;
  --accent: #00A7BC;
  --accent-strong: #22C0A9;
  --lime: #A8F040;
  --teal: #22C0A9;
  --blue: #40B4F0;
  --text: #FFFFFF;
  --text-2: #8BA5B5;
  --text-3: #4A6A7A;
  --border: rgba(255, 255, 255, 0.08);
  --border-2: rgba(255, 255, 255, 0.14);
  --danger: #FF6B6B;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
  --glow: 0 0 60px rgba(0, 167, 188, 0.35);
  --header-bg: rgba(26, 37, 53, 0.72);
  --sf: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Segoe UI", Roboto, Helvetica, Arial, "Hiragino Sans", "Noto Sans CJK JP",
    "Noto Sans CJK KR", "Apple SD Gothic Neo", sans-serif;
  --measure: 68ch;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #F2F2F2;
    --bg-deep: #E7ECEF;
    --card: #FFFFFF;
    --card-2: #F7F7F7;
    --accent: #22C0A9;
    --accent-strong: #0E8C9C;
    --text: #1A1A1A;
    --text-2: #6B6B6B;
    --text-3: #9B9B9B;
    --border: rgba(0, 0, 0, 0.08);
    --border-2: rgba(0, 0, 0, 0.14);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.10);
    --glow: 0 0 60px rgba(34, 192, 169, 0.25);
    --header-bg: rgba(242, 242, 242, 0.78);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sf);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--header-bg);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.4px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}
.nav a {
  color: var(--text-2);
  font-size: 15px;
  font-weight: 500;
}
.nav a:hover { color: var(--text); text-decoration: none; }

/* Language switcher (JS-free via <details>) */
.lang {
  position: relative;
  font-size: 15px;
}
.lang > summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-2);
  font-weight: 500;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
}
.lang > summary::-webkit-details-marker { display: none; }
.lang > summary:hover { color: var(--text); border-color: var(--border-2); }
.lang[open] > summary { color: var(--text); }
.lang > summary .chev { width: 10px; height: 10px; opacity: 0.7; }
.lang-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--card);
  border: 1px solid var(--border-2);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 6px;
  min-width: 168px;
  display: grid;
  gap: 2px;
  z-index: 50;
}
.lang-menu a {
  display: block;
  padding: 8px 12px;
  border-radius: 9px;
  color: var(--text);
  font-size: 14px;
}
.lang-menu a:hover { background: var(--card-2); text-decoration: none; }
.lang-menu a[aria-current="true"] { color: var(--accent); font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 16px;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.badge-link { display: inline-block; }
.badge-link img { display: block; height: 52px; width: auto; }
.badge-link:hover { text-decoration: none; }

/* ---------- Section scaffolding ---------- */
section { padding: 72px 0; }
.kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 14px;
}
h1, h2, h3 { letter-spacing: -0.5px; font-weight: 600; line-height: 1.12; color: var(--text); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); }
.section-head p { color: var(--text-2); margin-top: 14px; font-size: 18px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 72px 0 84px;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(0, 167, 188, 0.18), transparent 55%),
    radial-gradient(100% 80% at 12% 6%, rgba(168, 240, 64, 0.10), transparent 50%),
    linear-gradient(180deg, var(--bg-deep), var(--bg));
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 300;
  letter-spacing: -1.4px;
  line-height: 1.04;
}
.hero h1 .accent {
  background: linear-gradient(100deg, var(--lime), var(--teal) 42%, var(--accent) 68%, var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 500;
}
.hero-lead {
  margin-top: 20px;
  font-size: 19px;
  color: var(--text-2);
  max-width: 34ch;
}
.hero-cta { margin-top: 30px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }

.hero-visual { display: flex; justify-content: center; align-items: center; }

/* Ring visual */
.ring-hero {
  width: min(340px, 78vw);
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* the square that holds the ring itself — the pill lives outside it, below */
.ring-disc {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}
.ring-hero .halo {
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--lime), var(--teal), var(--accent), var(--blue), var(--lime));
  filter: blur(38px);
  opacity: 0.42;
  z-index: 0;
  animation: spin 26s linear infinite;
}
@media (prefers-reduced-motion: reduce) { .ring-hero .halo { animation: none; } }
@keyframes spin { to { transform: rotate(360deg); } }
.ring-disc svg { position: relative; z-index: 1; width: 100%; height: 100%; }
.ring-center {
  position: absolute;
  z-index: 2;
  text-align: center;
}
.ring-center .score { font-size: clamp(52px, 12vw, 76px); font-weight: 600; letter-spacing: -2px; line-height: 1; color: var(--text); }
.ring-center .lbl { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-2); opacity: 0.7; margin-top: 4px; }
.ring-state {
  /* 12px below the ring's outer stroke edge. The stroke ends at 96.5% of the
     square (r 82 + half of stroke 22 = 93 of the 200 viewBox), so 3.5% of the
     square sits between the ring and the box bottom — subtract it back out.
     % margins resolve against the container WIDTH, which equals its height. */
  margin-top: calc(12px - 3.5%);
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  box-shadow: var(--shadow);
}
.ring-state .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

/* ---------- Disclaimer strip ---------- */
.disclaimer {
  background: var(--card-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.disclaimer .wrap {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding-top: 18px;
  padding-bottom: 18px;
}
.disclaimer svg { flex-shrink: 0; margin-top: 2px; color: var(--text-2); }
.disclaimer p { color: var(--text-2); font-size: 14.5px; line-height: 1.55; }

/* ---------- Feature cards ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px;
}
.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.feature h3 { font-size: 20px; font-weight: 600; }
.feature .q {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin: 4px 0 10px;
}
.feature p { color: var(--text-2); font-size: 15.5px; line-height: 1.55; }

/* ---------- Privacy section ---------- */
.privacy-section {
  background:
    radial-gradient(90% 70% at 90% 10%, rgba(64, 180, 240, 0.10), transparent 55%),
    var(--bg-deep);
  border-top: 1px solid var(--border);
}
.privacy-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 28px;
  margin: 8px 0 30px;
  list-style: none;
}
.privacy-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--text);
  font-size: 16px;
  padding: 6px 0;
}
.privacy-list .tick {
  width: 22px; height: 22px; border-radius: 999px;
  background: rgba(0, 167, 188, 0.15);
  display: grid; place-items: center; flex-shrink: 0; margin-top: 1px;
}
.privacy-list .tick svg { color: var(--accent); }
.privacy-list small { display: block; color: var(--text-2); font-size: 13.5px; margin-top: 2px; font-weight: 400; }
.privacy-list li b { font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 56px;
  background: var(--bg);
}
.site-footer .wrap { display: flex; flex-direction: column; gap: 18px; }
.footer-top { display: flex; align-items: center; gap: 10px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-links a { color: var(--text-2); font-size: 15px; }
.footer-links a:hover { color: var(--text); }
.footer-legal { color: var(--text-3); font-size: 13.5px; line-height: 1.6; }
.footer-legal a { color: var(--text-3); text-decoration: underline; }

/* ---------- Content pages (support / legal prose) ---------- */
.page-hero {
  background: linear-gradient(180deg, var(--bg-deep), var(--bg));
  border-bottom: 1px solid var(--border);
  padding: 56px 0 44px;
}
.page-hero h1 { font-size: clamp(30px, 5vw, 46px); font-weight: 300; letter-spacing: -1px; }
.page-hero p { color: var(--text-2); margin-top: 14px; font-size: 18px; max-width: var(--measure); }

.prose { max-width: var(--measure); padding: 48px 0 80px; }
.prose h2 {
  font-size: 1.42rem;
  margin: 2em 0 0.5em;
  padding-top: 1em;
  border-top: 1px solid var(--border);
}
.prose h2:first-of-type { border-top: none; padding-top: 0; }
.prose h3 { font-size: 1.12rem; margin: 1.4em 0 0.4em; }
.prose p { margin: 0.75em 0; color: var(--text); }
.prose ul, .prose ol { margin: 0.75em 0; padding-left: 1.4em; }
.prose li { margin: 0.4em 0; color: var(--text); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose strong { font-weight: 600; }
.prose blockquote {
  margin: 1.2em 0;
  padding: 14px 18px;
  background: var(--card-2);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
}
.prose blockquote p { margin: 0; color: var(--text-2); }
.prose hr { border: none; border-top: 1px solid var(--border); margin: 2em 0; }
.prose .meta { color: var(--text-2); font-size: 0.95rem; margin: 0 0 1.4em; }
.prose > p:first-of-type { color: var(--text-2); font-size: 1.05rem; }

.toc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 8px 0 32px;
}
.toc h2 {
  border: none;
  padding: 0;
  margin: 0 0 10px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-2);
}
.toc ol { margin: 0; padding-left: 1.3em; }
.toc li { margin: 0.3em 0; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent); text-decoration: underline; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; max-width: var(--measure); }
.faq details {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 4px 22px;
}
.faq summary {
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 17px;
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { flex-shrink: 0; color: var(--accent); transition: transform 0.2s ease; }
.faq details[open] summary .plus { transform: rotate(45deg); }
.faq details > p, .faq details > ul { margin: 0 0 20px; color: var(--text-2); font-size: 15.5px; line-height: 1.6; }
.faq details > ul { padding-left: 1.2em; }
.faq details > ul li { margin: 0.4em 0; }

.contact-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 34px;
  max-width: var(--measure);
}
.contact-card .label { color: var(--text-2); font-size: 14px; }
.contact-card a { font-size: 18px; font-weight: 600; }

/* ---------- 404 ---------- */
.notfound {
  min-height: 68vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 60px 24px;
}
.notfound .code { font-size: 84px; font-weight: 200; letter-spacing: -3px; color: var(--text); }
.notfound h1 { font-size: 26px; font-weight: 600; margin: 6px 0 12px; }
.notfound p { color: var(--text-2); margin-bottom: 26px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero-visual { order: -1; }
  .hero-lead { max-width: none; }
  .features-grid { grid-template-columns: 1fr; }
  .privacy-list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  section { padding: 56px 0; }
  .wrap { padding: 0 18px; }
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  body { font-size: 16px; }
}