/* =============================================================
   Components — buttons, contact sheet, steps, cards, FAQ
   ============================================================= */

/* ---- Buttons -------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-pill);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--indigo); }

.btn--ghost {
  border: 1px solid var(--rule);
  color: var(--ink);
  background: transparent;
}

.btn--ghost:hover { border-color: var(--ink); background: var(--card); }

.btn--sm { min-height: 40px; padding: 0.5rem 1.1rem; font-size: 0.8125rem; }

.btn-note {
  font-size: 0.8125rem;
  color: var(--ink-3);
}

/* Icon button (theme toggle) */

.icon-btn {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  color: var(--ink-2);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.icon-btn:hover { color: var(--ink); border-color: var(--ink); }
.icon-btn svg { width: 17px; height: 17px; }
[data-theme="dark"] .icon-btn .i-sun { display: block; }
[data-theme="dark"] .icon-btn .i-moon { display: none; }
.icon-btn .i-sun { display: none; }
.icon-btn .i-moon { display: block; }

/* ---- Segmented switch (Photo / Video) -------------------- */

.switch {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--rule);
  border-radius: var(--r-pill);
  background: var(--card);
}

.switch button {
  min-height: 38px;
  padding: 0 1.1rem;
  border-radius: var(--r-pill);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-3);
  transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.switch button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.switch button:not([aria-selected="true"]):hover { color: var(--ink); }

/* ---- Contact sheet -------------------------------------- */

.sheet {
  --tile-min: 168px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--tile-min), 1fr));
  gap: clamp(0.75rem, 1.6vw, 1.375rem);
}

@media (min-width: 700px) { .sheet { --tile-min: 200px; } }

.tile { margin: 0; }

.tile-frame {
  position: relative;
  border-radius: var(--r-sm);
  overflow: hidden;
  background: var(--paper-3);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.tile-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--rule-soft);
  border-radius: inherit;
  pointer-events: none;
}

.tile:hover .tile-frame { transform: translateY(-3px); box-shadow: var(--shadow-lift); }

.tile-frame img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.tile-no {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  background: rgba(22, 21, 26, 0.62);
  color: #fff;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  backdrop-filter: blur(3px);
}

.tile-play {
  position: absolute;
  right: 0.5rem;
  bottom: 0.5rem;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(22, 21, 26, 0.62);
  backdrop-filter: blur(3px);
}

.tile-play::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  translate: -50% -50%;
  border-style: solid;
  border-width: 5px 0 5px 8px;
  border-color: transparent transparent transparent #fff;
}

.tile-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.55rem;
  margin-top: 0.55rem;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.tile-kind { font-weight: 700; color: var(--ink-2); }
.tile-likes { margin-left: auto; font-variant-numeric: tabular-nums; }

.sheet-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2) var(--s-3);
  margin-top: var(--s-4);
  padding-top: var(--s-3);
  border-top: 1px solid var(--rule-soft);
  font-size: var(--fs-small);
  color: var(--ink-3);
}

.sheet-status { display: inline-flex; align-items: center; gap: 0.5rem; }

.sheet-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
  transition: background var(--dur) var(--ease);
}

.sheet-status[data-state="live"] i { background: #37a06f; box-shadow: 0 0 0 3px rgba(55, 160, 111, 0.16); }
.sheet-status[data-state="loading"] i { background: var(--indigo); animation: pulse 1.1s var(--ease) infinite; }

@keyframes pulse { 50% { opacity: 0.25; } }

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

.steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  counter-reset: step;
}

@media (min-width: 760px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1120px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.step {
  position: relative;
  padding: var(--s-3) var(--s-3) var(--s-4) 0;
  border-top: 1px solid var(--ink);
}

@media (min-width: 760px) {
  .step { padding-right: var(--s-4); }
  .step + .step { padding-left: var(--s-3); }
}

.step-no {
  font-family: var(--display);
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--indigo);
}

.step h3 {
  margin-top: var(--s-2);
  font-family: var(--display);
  font-size: 1.375rem;
  line-height: 1.2;
}

.step p { margin-top: 0.55rem; font-size: 0.9375rem; color: var(--ink-2); }

/* ---- Cards ---------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-3);
}

@media (min-width: 820px) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card {
  padding: var(--s-4) var(--s-3) var(--s-3);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--card);
}

.card h3 {
  font-family: var(--display);
  font-size: 1.3125rem;
  line-height: 1.2;
}

.card p { margin-top: 0.6rem; font-size: 0.9375rem; color: var(--ink-2); }

.card-mark {
  display: inline-block;
  margin-bottom: var(--s-2);
  font-size: var(--fs-kicker);
  font-weight: 700;
  letter-spacing: var(--track-kicker);
  text-transform: uppercase;
  color: var(--indigo);
}

/* ---- Checklist (tips) ----------------------------------- */

.checklist { display: grid; gap: 0.85rem; }

.checklist li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  font-size: 0.9375rem;
  color: var(--ink-2);
}

.checklist li::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  margin-top: 0.75rem;
  background: var(--indigo);
}

.checklist b { color: var(--ink); font-weight: 600; }

/* ---- Editor's note (consent & safety) -------------------- */

.note {
  padding: clamp(1.5rem, 3.5vw, var(--s-4));
  border: 1px solid var(--ink);
  border-radius: var(--r-md);
  background: var(--paper-2);
}

.note h3 {
  font-family: var(--display);
  font-size: var(--fs-title);
  line-height: var(--lh-title);
}

.note p { margin-top: var(--s-2); color: var(--ink-2); max-width: 68ch; }

/* ---- Pull quote ----------------------------------------- */

.pullquote {
  margin: 0;
  padding-block: var(--s-4);
}

.pullquote p {
  font-family: var(--display);
  font-size: clamp(1.5rem, 3.6vw, 2.5rem);
  line-height: 1.22;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.pullquote em { font-style: italic; color: var(--indigo); }

.pullquote footer {
  margin-top: var(--s-2);
  font-size: var(--fs-kicker);
  font-weight: 600;
  letter-spacing: var(--track-kicker);
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ---- FAQ ------------------------------------------------ */

.faq { display: grid; gap: 0; }

.faq-item { border-top: 1px solid var(--rule); }
.faq-item:last-child { border-bottom: 1px solid var(--rule); }

.faq-item summary {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  padding-block: var(--s-3);
  cursor: pointer;
  list-style: none;
  font-family: var(--display);
  font-size: clamp(1.125rem, 1.9vw, 1.4375rem);
  line-height: 1.3;
  transition: color var(--dur-fast) var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--indigo); }

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--text);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--ink-3);
  transition: rotate var(--dur) var(--ease);
}

.faq-item[open] summary::after { rotate: 45deg; }

.faq-answer {
  padding-bottom: var(--s-3);
  max-width: 74ch;
  color: var(--ink-2);
}

.faq-answer p + p { margin-top: 0.75rem; }

/* ---- Get the app ---------------------------------------- */

.getapp {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s-4);
  align-items: center;
  padding: clamp(2rem, 5vw, var(--s-6));
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--paper);
}

@media (min-width: 900px) { .getapp { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); } }

.getapp h2 {
  font-family: var(--display);
  font-size: var(--fs-display);
  line-height: var(--lh-title);
}

.getapp h2 em { font-style: italic; color: #b0a7ff; }
.getapp p { margin-top: var(--s-2); color: rgba(246, 243, 236, 0.72); max-width: 46ch; }

.store-links { display: flex; flex-wrap: wrap; gap: var(--s-2); }

.store-link {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 56px;
  padding: 0.6rem 1.35rem;
  border: 1px solid rgba(246, 243, 236, 0.3);
  border-radius: var(--r-md);
  text-decoration: none;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.store-link:hover { border-color: var(--paper); background: rgba(246, 243, 236, 0.07); }
.store-link svg { width: 22px; height: 22px; flex: 0 0 auto; }
.store-copy span { display: block; font-size: 0.625rem; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.7; }
.store-copy b { display: block; font-size: 0.9375rem; font-weight: 600; letter-spacing: -0.01em; }