/* ============================================================
   Calliope — site layout and components.
   Dark-only, matching the app. Load after tokens.css + fonts.css.
   ============================================================ */

/* ---------- reset ---------- */

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

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--surface-rest);
  color: var(--text-body);
  font-family: var(--font-sans);
  font-size: var(--type-base);
  line-height: 1.65;
  overflow-x: hidden;
  /* A slow amber bloom at the top, fading into the near-black canvas. */
  background-image:
    radial-gradient(90% 55% at 50% -10%, rgba(240, 180, 92, 0.10), rgba(240, 180, 92, 0) 70%);
  background-repeat: no-repeat;
}

img, svg { max-width: 100%; }
img { height: auto; display: block; }

h1, h2, h3, h4 {
  color: var(--text-strong);
  line-height: 1.15;
  margin: 0;
  font-weight: 400;
}

p { margin: 0 0 var(--s4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--brand-hover);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 180, 92, 0.3);
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
a:hover { color: var(--beat-one); border-bottom-color: rgba(255, 227, 168, 0.7); }

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

/* ---------- shared layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin: 0 auto;
  padding-inline: var(--s5);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: var(--s3) var(--s4);
  background: var(--surface-card);
  color: var(--text-strong);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
}
.skip-link:focus { left: var(--s4); top: var(--s4); }

.section { padding-block: var(--s10); }
.section--tight { padding-block: var(--s8); }

.section-label {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-500);
  margin: 0 0 var(--s3);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, var(--type-3xl));
  margin: 0 0 var(--s3);
}

.section-intro {
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0 0 var(--s8);
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(5, 6, 9, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s5);
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  border-bottom: 0;
  color: var(--text-strong);
}
.brand:hover { color: var(--text-strong); }
.brand img { width: 32px; height: 32px; }

.brand-name {
  font-family: var(--font-serif);
  font-size: var(--type-xl);
  letter-spacing: 0.01em;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--s5);
}

.site-nav a {
  color: var(--text-muted);
  font-size: var(--type-sm);
  border-bottom: 0;
  white-space: nowrap;
}
.site-nav a:hover { color: var(--text-strong); }
.site-nav a[aria-current="page"] { color: var(--amber-400); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(var(--s9), 12vw, var(--s16)) var(--s10);
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 9vw, 4.5rem);
  letter-spacing: 0.01em;
  margin: 0 0 var(--s3);
}

.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  color: var(--beat-one);
  text-shadow: 0 0 34px rgba(255, 227, 168, 0.35);
  margin: 0 0 var(--s5);
}

.hero-lede {
  font-size: var(--type-lg);
  color: var(--text-muted);
  max-width: 56ch;
  margin: 0 auto var(--s8);
}

/* The 8-beat ring behind the hero — the app's signature shape, decorative only. */
.hero-ring {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.hero-ring svg {
  width: min(880px, 145vw);
  height: auto;
  overflow: visible;
}
.hero-ring .ring-beat { fill: var(--amber-500); opacity: 0.13; }
.hero-ring .ring-one {
  fill: var(--beat-one);
  animation: pulse-one 2.4s var(--ease-in-out) infinite;
}

@keyframes pulse-one {
  0%, 100% { opacity: 0.72; }
  12%      { opacity: 1; }
  55%      { opacity: 0.62; }
}

/* ---------- call to action ---------- */

.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s4);
}

.cta-status {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  padding: var(--s2) var(--s4);
  border: 1px solid rgba(69, 210, 182, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(10, 44, 40, 0.5);
  color: var(--signal-300);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cta-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--listening);
  box-shadow: var(--glow-signal-sm);
  animation: breathe 2.4s var(--ease-in-out) infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s3);
}

/* Not yet on the stores — these are deliberately inert, and look it. */
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s5);
  min-height: 56px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--surface-raised);
  color: var(--text-faint);
  cursor: default;
  user-select: none;
}
.store-badge svg {
  width: 22px;
  height: 22px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.store-badge-text { display: flex; flex-direction: column; line-height: 1.2; text-align: left; }
.store-badge-text small { font-size: 0.6875rem; letter-spacing: 0.06em; text-transform: uppercase; }
.store-badge-text strong { font-size: var(--type-base); font-weight: 500; color: var(--text-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: 48px;
  padding: var(--s3) var(--s6);
  border-radius: var(--radius-pill);
  border: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--type-base);
  background: var(--brand);
  color: var(--text-on-amber);
  box-shadow: var(--glow-amber-sm);
  transition: background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn:hover {
  background: var(--brand-hover);
  color: var(--text-on-amber);
  box-shadow: var(--glow-amber-md);
  transform: translateY(-1px);
}
.btn:active { background: var(--brand-press); transform: translateY(0); }

.btn--ghost {
  background: transparent;
  color: var(--text-body);
  border: 1px solid var(--border-default);
  box-shadow: none;
}
.btn--ghost:hover {
  background: var(--surface-card);
  color: var(--text-strong);
  box-shadow: none;
}

.cta-note {
  font-size: var(--type-sm);
  color: var(--text-faint);
  margin: 0;
}

/* ---------- steps ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s5);
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.step {
  position: relative;
  padding: var(--s6) var(--s5) var(--s5);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-top);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: calc(var(--s5) * -1);
  left: var(--s5);
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--surface-inset);
  border: 1px solid rgba(240, 180, 92, 0.4);
  color: var(--beat-one);
  font-family: var(--font-mono);
  font-size: var(--type-lg);
  box-shadow: var(--glow-amber-sm);
}

.step h3 {
  font-size: var(--type-lg);
  margin: var(--s4) 0 var(--s2);
}

.step p {
  color: var(--text-muted);
  font-size: var(--type-sm);
  margin: 0;
}

/* ---------- feature cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--s4);
}

.card {
  padding: var(--s5);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-top);
  transition: border-color var(--dur-base) var(--ease-out),
              background var(--dur-base) var(--ease-out);
}
.card:hover {
  border-color: var(--border-default);
  background: var(--surface-card-hover);
}

.card h3 {
  font-size: var(--type-lg);
  margin: 0 0 var(--s2);
}

.card p {
  color: var(--text-muted);
  font-size: var(--type-sm);
  margin: 0;
}

.card-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber-500);
  margin-bottom: var(--s3);
}

/* ---------- screenshots ---------- */

.shots {
  display: flex;
  gap: var(--s5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: var(--s2) var(--s5) var(--s6);
  margin-inline: calc(var(--s5) * -1);
  -webkit-overflow-scrolling: touch;
}

.shot {
  flex: none;
  scroll-snap-align: center;
  width: 260px;
}

.phone {
  position: relative;
  aspect-ratio: 9 / 19.5;
  border-radius: 34px;
  padding: 8px;
  background: linear-gradient(160deg, var(--ink-500), var(--ink-800));
  box-shadow: var(--shadow-lg), var(--edge-top);
}

.phone-screen {
  position: relative;
  height: 100%;
  border-radius: 27px;
  overflow: hidden;
  background: var(--surface-app);
  background-image: var(--bloom-amber);
  background-size: 150% 60%;
  background-position: 50% -10%;
  background-repeat: no-repeat;
  display: grid;
  place-items: center;
}

.phone-screen img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Shown only while the screenshot file is missing; the <img> covers it once present. */
.phone-placeholder {
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-align: center;
  padding: var(--s4);
}

.shot-caption {
  margin: var(--s4) 0 0;
  font-size: var(--type-sm);
  color: var(--text-muted);
  text-align: center;
}

/* ---------- privacy pitch ---------- */

.pitch {
  padding: var(--s8) var(--s6);
  background: var(--surface-inset);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  text-align: center;
}

.pitch h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, var(--type-2xl));
  margin: 0 0 var(--s4);
}

.pitch p {
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0 auto var(--s5);
}

.pitch-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s2) var(--s3);
  list-style: none;
  margin: 0 0 var(--s6);
  padding: 0;
}

.pitch-list li {
  padding: var(--s1) var(--s4);
  border: 1px solid rgba(69, 210, 182, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(10, 44, 40, 0.35);
  color: var(--signal-300);
  font-family: var(--font-mono);
  font-size: var(--type-xs);
  letter-spacing: 0.08em;
}

/* ---------- prose pages (privacy, support, 404) ---------- */

.page-head {
  padding-block: var(--s9) var(--s6);
  border-bottom: 1px solid var(--border-subtle);
}

.page-head h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, var(--type-display));
  margin: 0 0 var(--s3);
}

.page-head .updated,
.page-head .sub {
  color: var(--text-muted);
  font-size: var(--type-sm);
  margin: 0;
}

.page-head .updated {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.prose {
  max-width: var(--measure);
  padding-block: var(--s8) var(--s10);
}

.prose h2 {
  font-family: var(--font-serif);
  font-size: var(--type-xl);
  margin: var(--s8) 0 var(--s3);
}
.prose h2:first-of-type { margin-top: 0; }

.prose h3 {
  font-size: var(--type-base);
  font-weight: 600;
  color: var(--text-strong);
  margin: var(--s6) 0 var(--s2);
}

.prose ul { padding-left: 1.3rem; margin: 0 0 var(--s4); }
.prose li { margin: var(--s1) 0; }

/* The policy quotes a full URL as its own link text; without this it sets a min-content
   width wider than a 320px viewport and pushes the whole page sideways. */
.prose a { overflow-wrap: anywhere; }

.prose .lead {
  font-size: var(--type-lg);
  color: var(--text-body);
}

.prose hr {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: var(--s8) 0;
}

.prose .fine {
  color: var(--text-faint);
  font-size: var(--type-xs);
}

.callout {
  padding: var(--s5);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-left: 2px solid var(--brand);
  border-radius: var(--radius-md);
  margin: 0 0 var(--s6);
}

.callout h2 { margin-top: 0; }

.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--s4);
  margin: 0 0 var(--s8);
}

.contact-method {
  padding: var(--s5);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--edge-top);
}

.contact-method h2 {
  font-family: var(--font-sans);
  font-size: var(--type-base);
  font-weight: 600;
  margin: 0 0 var(--s2);
}

.contact-method p {
  color: var(--text-muted);
  font-size: var(--type-sm);
}

.faq { margin: 0; }

.faq details {
  border-bottom: 1px solid var(--border-subtle);
  padding: var(--s4) 0;
}

.faq summary {
  cursor: pointer;
  color: var(--text-strong);
  font-weight: 500;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: var(--s3);
}
.faq summary::-webkit-details-marker { display: none; }

.faq summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--amber-500);
  flex: none;
}
.faq details[open] summary::before { content: "\2212"; }

.faq details p,
.faq details ul {
  color: var(--text-muted);
  font-size: var(--type-sm);
  margin: var(--s3) 0 0 calc(var(--s3) + 1ch);
}

.spec-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.spec-list li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2) var(--s4);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: var(--type-sm);
}

.spec-list dfn,
.spec-list b {
  font-style: normal;
  font-weight: 500;
  color: var(--text-strong);
  min-width: 12ch;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--border-subtle);
  padding-block: var(--s8);
  color: var(--text-faint);
  font-size: var(--type-sm);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s5);
}

.footer-links a {
  color: var(--text-muted);
  border-bottom: 0;
}
.footer-links a:hover { color: var(--text-strong); }

/* ---------- narrow screens ---------- */

@media (max-width: 640px) {
  .wrap { padding-inline: var(--s4); }
  .section { padding-block: var(--s8); }
  /* The header is the widest fixed row on the page; drop the in-page anchor rather than let
     brand + three nav items force a horizontal scroll. */
  .site-nav { gap: var(--s4); }
  .site-nav .nav-anchor { display: none; }
  /* The hero grows much taller once the lede wraps and the badges stack, which drags the
     ring's centre down until the glowing "1" sits on top of the text. Drop it here; the
     background bloom carries the hero on its own. */
  .hero-ring { display: none; }
  .shots { margin-inline: calc(var(--s4) * -1); padding-inline: var(--s4); }
  .pitch { padding: var(--s6) var(--s4); }
  .site-footer .wrap { flex-direction: column; align-items: flex-start; }
}