/* Orbit Drop Website – shared (mobile first) */
:root {
  color-scheme: dark;
  --bg: #04060d;
  --fg: #e9eefc;
  --muted: #8b97b8;
  --muted2: #77839f;
  --cyan: #3fd9f6;
  --gold: #ffd76a;
  --link: #6cc8ff;
  --card: rgba(255, 255, 255, 0.045);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover: rgba(255, 255, 255, 0.07);
  --icon-bg: rgba(255, 255, 255, 0.06);
  --radius: 18px;
  --danger: #ff7b7b;
  --ok: #5dde9a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.65;
}

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

.wrap {
  width: min(100% - 2rem, 42rem);
  margin-inline: auto;
  padding: 2rem 0 3.5rem;
}

@media (min-width: 720px) {
  .wrap {
    width: min(100% - 2.5rem, 46rem);
    padding: 3rem 0 4rem;
  }
}

.back {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}
.back:hover { color: var(--link); }

.logo {
  font-weight: 700;
  letter-spacing: 0.2em;
  font-size: 0.95rem;
  color: #cfe0ff;
}
.logo span { color: var(--cyan); }

.page-header { text-align: center; margin-bottom: 1.75rem; }
.page-header .logo { margin-bottom: 1.15rem; }
.page-header h1 {
  font-size: clamp(1.75rem, 7vw, 2.4rem);
  margin: 0 0 0.4rem;
  line-height: 1.2;
}
.subtitle { margin: 0; color: var(--muted); font-size: 1.02rem; }

/* Quick-Info */
.quick {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  margin: 1.5rem 0;
}
.quick-icon {
  flex: 0 0 2.4rem;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 12px;
  background: var(--icon-bg);
  display: grid;
  place-items: center;
  color: var(--cyan);
}
.quick-title { font-weight: 650; margin: 0 0 0.25rem; font-size: 0.98rem; }
.quick-text { margin: 0; color: var(--muted); font-size: 0.95rem; }

/* TOC */
.toc {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem 1.15rem;
  margin-bottom: 1.1rem;
}
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}
.toc-title { margin: 0; font-size: 1rem; font-weight: 650; }
.toc-toggle {
  background: none; border: 0; color: var(--link);
  font: inherit; font-size: 0.92rem; cursor: pointer; padding: 0.2rem 0;
}
.toc-toggle:hover { text-decoration: underline; }
.toc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
}
@media (min-width: 520px) {
  .toc-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.toc-item {
  display: flex; align-items: center; gap: 0.55rem;
  text-align: left; background: rgba(255,255,255,.03);
  border: 1px solid var(--card-border); border-radius: 12px;
  color: var(--fg); font: inherit; font-size: 0.9rem;
  padding: 0.7rem 0.85rem; cursor: pointer;
}
.toc-item:hover { background: var(--card-hover); }
.toc-item-icon { color: var(--cyan); width: 1.1rem; text-align: center; }

/* Accordion */
.sections { display: grid; gap: 0.7rem; }
.section {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.section-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; background: transparent; border: 0; color: inherit;
  font: inherit; text-align: left; padding: 0.95rem 1rem; cursor: pointer;
}
.section-header:hover { background: var(--card-hover); }
.section-header-left { display: flex; align-items: center; gap: 0.8rem; min-width: 0; }
.section-icon {
  flex: 0 0 2.25rem; width: 2.25rem; height: 2.25rem; border-radius: 12px;
  background: var(--icon-bg); display: grid; place-items: center; color: var(--cyan);
}
.section-title { margin: 0; font-size: 1rem; font-weight: 600; line-height: 1.3; }
.chevron { color: var(--muted); transition: transform .2s ease; font-size: .85rem; }
.section.is-open .chevron { transform: rotate(180deg); }
.section-body {
  display: none; padding: 0 1.05rem 1.1rem;
  color: var(--muted); font-size: 0.98rem;
}
.section.is-open .section-body { display: block; }
.section-body p { margin: 0 0 0.85rem; }
.section-body p:last-child { margin-bottom: 0; }
.section-body strong { color: var(--fg); }

/* Home */
.home-hero { text-align: center; }
.home-hero .logo { margin-bottom: 0.25rem; }
.orbit {
  width: min(42vw, 11rem);
  height: min(42vw, 11rem);
  margin: 1.75rem auto 0;
  position: relative;
}
@media (min-width: 720px) {
  .orbit { width: 12.5rem; height: 12.5rem; margin-top: 2.25rem; }
}
.ring { position: absolute; border: 1px solid rgba(126,146,204,.30); border-radius: 50%; }
.r1 { inset: 0; } .r2 { inset: 16%; } .r3 { inset: 32%; }
.arc {
  position: absolute; inset: 16%; border-radius: 50%;
  border: 5px solid transparent; border-top-color: var(--cyan); border-right-color: var(--gold);
  animation: spin 5.5s linear infinite;
}
.core {
  position: absolute; top: 50%; left: 50%; width: 14px; height: 14px;
  margin: -7px 0 0 -7px; background: #fff; border-radius: 50%;
  box-shadow: 0 0 22px rgba(255,255,255,.75);
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .arc { animation: none; } }

.home-hero h1 {
  font-size: clamp(1.85rem, 8vw, 3rem);
  margin: 1.35rem 0 0.55rem;
  line-height: 1.15;
}
.claim {
  color: var(--muted);
  font-size: clamp(1rem, 3.6vw, 1.15rem);
  margin: 0 auto;
  max-width: 34rem;
}

.cta {
  margin: 1.75rem 0 0;
  display: grid;
  justify-items: center;
  gap: 0.65rem;
}
.app-badge {
  display: inline-block;
  line-height: 0;
  border-radius: 10px;
  transition: transform .15s ease, opacity .15s ease;
}
.app-badge img {
  width: min(170px, 55vw);
  height: auto;
}
.app-badge:hover { transform: translateY(-2px); text-decoration: none; }
.app-badge.is-soon { opacity: 0.85; cursor: default; }
.cta-note { margin: 0; color: var(--muted2); font-size: 0.88rem; }

.features {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin: 2.25rem 0 0;
}
@media (min-width: 560px) {
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
}
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}
.card h3 { margin: 0 0 0.4rem; font-size: 1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }

footer.page-footer {
  margin-top: 2.75rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--card-border);
  font-size: 0.9rem;
  color: var(--muted2);
  text-align: center;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
  justify-content: center;
  margin-bottom: 0.65rem;
}