/* Agent C: FAQ, contact, footer, floating WhatsApp label. Warm liquid glass (BRIEF revision 2).
   Glass material comes from base.css (.glass / .glass--strong / .glass-inset / .btn); this file never adds
   ::before/::after to those elements and never nests .glass in .glass. */

.c-faq [hidden], .c-contact [hidden] { display: none !important; }

/* shared bits */
.c-pill {
  display: inline-flex; align-items: center; gap: 8px; height: 26px; padding-inline: 12px;
  border-radius: var(--radius-pill); background: var(--glass-fill-inset);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink-1) 90%, transparent), inset 0 0 0 1px var(--line);
  font-size: var(--t-xs); color: var(--paper-2); letter-spacing: 0; white-space: nowrap;
}

/* ---------- FAQ ---------- */
.c-faq__grid { display: grid; gap: 40px; }
@media (min-width: 960px) {
  .c-faq__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; align-items: start; }
  .c-faq__head { position: sticky; top: 112px; }
}
.c-faq__aside { margin: 28px 0 0; color: var(--paper-2); font-size: var(--t-sm); max-width: 34ch; }
.c-faq__aside a { color: var(--paper); text-decoration-color: var(--signal); text-underline-offset: 4px; }
.c-faq__aside a:hover { color: var(--signal); }

.c-faq__list { display: grid; gap: 10px; padding: clamp(12px, 2vw, 20px); border-radius: var(--radius-glass); }
.c-faq__item { transition: background .3s var(--ease), box-shadow .3s var(--ease); }
.c-faq__item:hover { background: color-mix(in srgb, var(--ink-1) 62%, transparent); }
.c-faq__item[open] {
  background: color-mix(in srgb, var(--ink-1) 80%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink-1) 100%, transparent), inset 0 0 0 1px var(--line), 0 12px 28px -18px color-mix(in srgb, var(--paper) 40%, transparent);
}
.c-faq__item summary {
  position: relative; z-index: 2; list-style: none; cursor: pointer; border-radius: var(--radius);
  display: grid; grid-template-columns: 2.25rem 1fr 32px; gap: 12px; align-items: center;
  padding: 16px 18px; font-size: var(--t-lg); font-weight: 500; line-height: 1.35;
}
.c-faq__item summary::-webkit-details-marker { display: none; }
.c-faq__item summary:focus-visible { outline-offset: 2px; }
.c-faq__q { color: var(--paper-2); transition: color .2s var(--ease); }
.c-faq__item summary:hover .c-faq__q, .c-faq__item[open] .c-faq__q { color: var(--paper); }
.c-faq__n { font-size: var(--t-xs); color: var(--paper-3); letter-spacing: .04em; }
.c-faq__item[open] .c-faq__n { color: var(--signal); }

/* +/- inside a small glass bead (not .glass: no blur stacking inside the panel) */
.c-faq__x {
  position: relative; width: 32px; height: 32px; border-radius: 50%; justify-self: end;
  background: var(--glass-fill);
  box-shadow: inset 0 1px 0 var(--ink-1), inset 0 0 0 1px var(--line), 0 4px 10px -4px color-mix(in srgb, var(--paper) 35%, transparent);
  transition: transform .4s var(--spring), background .25s var(--ease);
}
.c-faq__x i { position: absolute; inset-inline-start: 10px; top: 15.5px; width: 12px; height: 1px; background: var(--paper); transition: transform .35s var(--spring); }
.c-faq__x i + i { transform: rotate(90deg); }
.c-faq__item[open] .c-faq__x { background: var(--glass-fill-strong); }
.c-faq__item[open] .c-faq__x i + i { transform: rotate(0deg); }
.c-faq__item summary:hover .c-faq__x { transform: translateY(-1px); }
.c-faq__item summary:active .c-faq__x { transform: scale(.94); }

.c-faq__a { position: relative; z-index: 2; padding: 0 calc(18px + 2.25rem + 12px) 22px 32px; color: var(--paper-2); max-width: 66ch; font-size: 1rem; }
.c-faq__a p { margin: 0 0 12px; }
.c-faq__a p:last-child { margin-bottom: 0; }
@media (max-width: 600px) {
  .c-faq__item summary { grid-template-columns: 1.75rem 1fr 30px; gap: 8px; padding: 14px; font-size: var(--t-md); }
  .c-faq__a { padding: 0 14px 18px; }
  .c-faq__x { width: 30px; height: 30px; }
  .c-faq__x i { inset-inline-start: 9px; top: 14.5px; }
}

/* ---------- Contact ---------- */
.c-contact__grid { display: grid; gap: 40px; }
@media (min-width: 960px) {
  .c-contact__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 56px; align-items: start; }
}

.c-next { margin-top: 36px; padding: clamp(20px, 3vw, 32px); max-width: 480px; }
.c-steps { position: relative; z-index: 2; list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.c-steps li { display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: start; color: var(--paper-2); font-size: 1rem; }
.c-steps__n {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--signal-dim); color: var(--signal); font-size: var(--t-sm); line-height: 1;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--signal) 40%, transparent);
}

.c-direct { position: relative; z-index: 2; margin: 24px 0 0; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 16px; }
.c-direct__label { font-size: var(--t-xs); color: var(--paper-3); }
.c-direct__link { display: inline-flex; gap: 10px; align-items: baseline; text-decoration: none; color: var(--paper); transition: color .2s var(--ease); }
.c-direct__link:hover { color: var(--signal); }
.c-direct__link .mono { color: var(--paper-2); font-size: var(--t-sm); }

/* the ticket: one thick glass panel */
.c-ticket { border-radius: var(--radius-glass); }
.c-ticket > * { position: relative; z-index: 2; }
.c-ticket__bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 18px clamp(20px, 3vw, 32px) 0; font-size: var(--t-xs); color: var(--paper-3);
}
.c-ticket__state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--paper-3); }
.c-ticket[data-state="sending"] .c-ticket__state::before { background: var(--warn); animation: c-blink 1.2s steps(2, jump-none) infinite; }
.c-ticket[data-state="error"] .c-ticket__state::before { background: var(--signal); }
.c-ticket[data-state="done"] .c-ticket__state::before { background: var(--ok); }
@keyframes c-blink { 50% { opacity: .25; } }
.c-ticket__noscript { margin: 20px; padding: 24px; color: var(--paper-2); }
.c-ticket__noscript > * { position: relative; z-index: 2; }
.c-ticket__noscript p { margin: 0 0 20px; }

.c-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 16px; padding: 20px clamp(20px, 3vw, 32px) clamp(24px, 3vw, 32px); }
.c-field { display: grid; gap: 8px; align-content: start; min-width: 0; }
.c-field--wide { grid-column: 1 / -1; }
@media (max-width: 599px) { .c-field { grid-column: 1 / -1; } }

.c-field label { font-size: var(--t-sm); color: var(--paper-2); font-weight: 500; }
.c-req { color: var(--signal); }
.c-field input, .c-field select, .c-field textarea {
  width: 100%; min-height: 50px; padding: 12px 16px; border: 0; border-radius: var(--radius);
  background: color-mix(in srgb, var(--wood) 9%, transparent); color: var(--paper);
  box-shadow: inset 0 2px 5px color-mix(in srgb, var(--paper) 14%, transparent), inset 0 0 0 1px var(--line), 0 1px 0 color-mix(in srgb, var(--ink-1) 80%, transparent);
  font-size: 1rem; line-height: 1.5;
  transition: box-shadow .25s var(--ease), background .25s var(--ease);
}
.c-field textarea { resize: vertical; min-height: 132px; }
.c-field input[dir="ltr"] { text-align: start; font-family: var(--font-mono); font-size: .95rem; }
.c-field input:hover, .c-field select:hover, .c-field textarea:hover {
  box-shadow: inset 0 2px 5px color-mix(in srgb, var(--paper) 14%, transparent), inset 0 0 0 1px var(--line-strong), 0 1px 0 color-mix(in srgb, var(--ink-1) 80%, transparent);
}
.c-field input:focus-visible, .c-field select:focus-visible, .c-field textarea:focus-visible {
  outline: none; background: color-mix(in srgb, var(--ink-1) 55%, transparent);
  box-shadow: inset 0 2px 5px color-mix(in srgb, var(--paper) 10%, transparent), 0 0 0 2px var(--signal), 0 0 0 6px var(--signal-dim);
}
.c-field [aria-invalid="true"] { box-shadow: inset 0 2px 5px color-mix(in srgb, var(--paper) 14%, transparent), inset 0 0 0 1px var(--signal); }
.c-select { position: relative; }
.c-select select { appearance: none; padding-inline-end: 44px; cursor: pointer; }
.c-select__chev { position: absolute; inset-inline-end: 18px; top: 50%; width: 8px; height: 8px; margin-top: -6px; border-right: 1.5px solid var(--paper-2); border-bottom: 1.5px solid var(--paper-2); transform: rotate(45deg); pointer-events: none; }
.c-select option, .c-select optgroup { background: var(--ink-1); color: var(--paper); }

.c-err { margin: 0; font-size: var(--t-sm); font-weight: 500; color: var(--paper); border-inline-start: 2px solid var(--signal); padding-inline-start: 8px; }
.c-err:empty { display: none; }
.c-hint { margin: -6px 0 0; font-size: var(--t-xs); color: var(--paper-2); }
.c-hint.is-error { color: var(--paper); font-weight: 500; border-inline-start: 2px solid var(--signal); padding-inline-start: 8px; }

.c-trap { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

.c-form__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 20px; padding-top: 6px; }
.c-submit { min-width: 210px; justify-content: space-between; }
.c-submit[aria-disabled="true"] { cursor: progress; filter: saturate(.55) brightness(.9); }
.c-submit__arrow { transition: transform .35s var(--spring); }
.c-submit:hover .c-submit__arrow { transform: translateX(-4px); }
.c-status { margin: 0; font-size: var(--t-sm); color: var(--paper-2); flex: 1 1 220px; }
.c-status.is-error { color: var(--paper); font-weight: 500; border-inline-start: 2px solid var(--signal); padding-inline-start: 8px; }

.c-fallback { padding: 20px; color: var(--paper-2); font-size: 1rem; }
.c-fallback > * { position: relative; z-index: 2; }
.c-fallback p { margin: 0 0 16px; max-width: 52ch; }

.c-done { margin: 20px clamp(20px, 3vw, 32px) clamp(24px, 3vw, 32px); padding: clamp(24px, 4vw, 40px); }
.c-done > * { position: relative; z-index: 2; }
.c-done__mark { margin: 0; color: var(--ok); }
.c-done__title { margin: 16px 0 0; font-size: var(--t-xl); font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }
.c-done__title:focus { outline: none; }
.c-done__body { margin: 14px 0 0; color: var(--paper-2); max-width: 46ch; }
.c-done__body a { color: var(--paper); text-underline-offset: 4px; text-decoration-color: var(--signal); }
.c-done.is-entering { animation: c-in .6s var(--spring) both; }
@keyframes c-in { from { opacity: 0; transform: translateY(10px) scale(.98); } }

/* ---------- Footer: one wide glass slab ---------- */
.c-footer { padding-block: clamp(48px, 8vw, 96px) clamp(16px, 3vw, 32px); overflow: hidden; }
.c-slab { padding: clamp(24px, 4vw, 56px) clamp(20px, 4vw, 56px) clamp(18px, 2.5vw, 28px); overflow: hidden; }
.c-slab > * { position: relative; z-index: 2; }
.c-footer__top { display: grid; gap: 40px; }
@media (min-width: 900px) { .c-footer__top { grid-template-columns: minmax(0, 6fr) minmax(0, 3fr) minmax(0, 3fr); gap: 48px; } }
.c-footer__line { margin: 0 0 28px; font-size: var(--t-xl); font-weight: 500; line-height: 1.2; letter-spacing: -0.01em; max-width: 20ch; }
.c-footer__h { margin: 0 0 14px; font-size: var(--t-xs); color: var(--paper-2); }
.c-footer__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.c-footer__col a { color: var(--paper); text-decoration: none; transition: color .2s var(--ease); }
.c-footer__col a:hover { color: var(--signal); }
.c-footer__col .mono { font-size: var(--t-sm); color: var(--paper-2); }

/* wordmark etched into the slab: glyphs filled with a translucent top-dark to bottom-light ramp (a cut in glass) */
.c-footer__mark {
  margin: clamp(48px, 7vw, 96px) 0 0; font-weight: 700; letter-spacing: -0.045em; line-height: 1.05; padding-bottom: .06em;
  font-size: clamp(2.5rem, 10.6vw, 9.6rem); white-space: nowrap; text-align: center; user-select: none;
  color: transparent;
  background: linear-gradient(180deg, color-mix(in srgb, var(--paper) 20%, transparent) 6%, color-mix(in srgb, var(--paper) 7%, transparent) 50%, color-mix(in srgb, var(--ink-1) 95%, transparent) 97%);
  -webkit-background-clip: text; background-clip: text;
}
.c-footer__mark span { color: transparent; background: linear-gradient(180deg, color-mix(in srgb, var(--signal) 45%, transparent), var(--signal)); -webkit-background-clip: text; background-clip: text; }
.c-footer__legal {
  margin: 20px 0 0; padding-top: 18px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: var(--t-xs); color: var(--paper-2);
}
@media (max-width: 600px) { .c-footer { padding-bottom: calc(76px + env(safe-area-inset-bottom)); } }

/* ---------- Floating WhatsApp button: always visible ----------
   Strong-glass pill with WhatsApp's green glyph disc. #25D366 is allowed on this one button (BRIEF rev. 3). */
.c-wa {
  position: fixed; z-index: 40;
  inset-inline-end: max(16px, env(safe-area-inset-right), env(safe-area-inset-left));
  bottom: max(16px, env(safe-area-inset-bottom));
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding-inline: 6px 20px;
  border-radius: var(--radius-pill); color: var(--paper); text-decoration: none; font-weight: 600; font-size: var(--t-sm);
  transition: transform .4s var(--spring), padding .35s var(--ease);
}
.c-wa > span { position: relative; z-index: 2; }
.c-wa__icon {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: #25D366; color: var(--ink-1);
  box-shadow: inset 0 1px 0 color-mix(in srgb, var(--ink-1) 60%, transparent), 0 6px 14px -6px #25D366;
}
.c-wa__icon svg { width: 22px; height: 22px; color: #fff; }
.c-wa__label { white-space: nowrap; max-width: 12ch; overflow: hidden; transition: max-width .35s var(--ease), opacity .25s var(--ease); }
.c-wa:hover { transform: translateY(-2px); }
.c-wa:active { transform: scale(.97); transition-duration: .1s; }
.c-wa:focus-visible { outline-offset: 4px; }
/* icon-only: on phones always, on desktop while the contact form is on screen */
.c-wa.is-compact { padding-inline: 6px; gap: 0; }
.c-wa.is-compact .c-wa__label { max-width: 0; opacity: 0; }
@media (max-width: 640px) {
  .c-wa { padding-inline: 6px; gap: 0; }
  .c-wa__label { max-width: 0; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .c-faq__x, .c-faq__x i, .c-wa, .c-wa__label, .c-submit__arrow { transition: none; }
}