/* ==========================================================================
   components.css — reusable UI pieces.

   Nav · ticker · buttons · cards · sidebar widgets · forms · carousel ·
   lightbox · back-to-top.
   ========================================================================== */

/* ══════════════════════════════════════════════════════════════════════════
   Top navigation
   ══════════════════════════════════════════════════════════════════════════ */
.nav {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-nav);
  background: var(--surface);
  border-block-end: 1px solid var(--border-soft);
  transition: box-shadow var(--d-2) var(--e-out);
}

.nav.is-stuck {
  box-shadow: var(--sh-2);
}

.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  min-block-size: var(--nav-h);
  padding-inline: var(--gutter);
}

/* Brand */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.brand__mark {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: var(--r-sm);
}

.brand__text {
  display: grid;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-read);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--fg-strong);
}

.brand__role {
  font-size: var(--fs-3xs);
  color: var(--fg-faint);
}

/* Menu */
.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
  margin-inline-start: auto;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--fg);
  white-space: nowrap;
  transition: background-color var(--d-1), color var(--d-1);
}

.nav__link svg {
  inline-size: 1.05rem;
  block-size: 1.05rem;
  color: var(--fg-faint);
  transition: color var(--d-1);
}

.nav__link:hover,
.nav__link:focus-visible {
  background: var(--surface-alt);
  color: var(--accent);
}

.nav__link:hover svg,
.nav__link:focus-visible svg {
  color: var(--accent);
}

/* The active item gets a filled pill, matching the reference's boxed tab */
.nav__link[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 32%, transparent);
}

.nav__link[aria-current="page"] svg {
  color: var(--accent);
}

/* Search */
.nav__search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 0 1 11rem;
  min-inline-size: 0;
}

.nav__search svg {
  position: absolute;
  inset-inline-start: var(--sp-3);
  inline-size: 1rem;
  block-size: 1rem;
  color: var(--fg-faint);
  pointer-events: none;
}

.nav__search input {
  inline-size: 100%;
  min-inline-size: 0;
  padding: var(--sp-2) var(--sp-4);
  padding-inline-start: var(--sp-8);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg);
  font-size: var(--fs-sm);
  transition: border-color var(--d-1), box-shadow var(--d-1);
}

.nav__search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

/* Contact pill — the reference's green call button, restated in the palette */
.nav__contact {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  flex-shrink: 0;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--on-scrim);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: filter var(--d-1), transform var(--d-2) var(--e-spring);
}

.nav__contact svg {
  inline-size: 1rem;
  block-size: 1rem;
}

.nav__contact:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

/* Mobile trigger */
.nav__burger {
  display: none;
  padding: var(--sp-2);
  border-radius: var(--r-sm);
  color: var(--fg-strong);
}

.nav__burger svg {
  inline-size: 1.5rem;
  block-size: 1.5rem;
}

/* Preference toggles live as small text buttons at the end of the bar */
.nav__prefs {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex-shrink: 0;
}

.pref-btn {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: var(--fs-3xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--fg-mute);
  transition: background-color var(--d-1), color var(--d-1);
}

.pref-btn:hover {
  background: var(--surface-alt);
  color: var(--accent);
}

.pref-btn[aria-pressed="true"] {
  color: var(--accent);
}

/* ── Mobile drawer ────────────────────────────────────────────────────── */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-drawer);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: var(--sp-5);
  padding: var(--sp-5) var(--gutter) var(--sp-8);
  background: var(--surface);
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--d-2) var(--e-out), visibility var(--d-2);
}

.drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.drawer__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block-end: var(--sp-4);
  border-block-end: 1px solid var(--border-soft);
}

.drawer__list {
  display: grid;
  gap: var(--sp-1);
  margin: 0;
  padding: 0;
  list-style: none;
  align-content: start;
}

.drawer__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--fg-strong);
  transition: background-color var(--d-1), color var(--d-1);
}

.drawer__link svg {
  inline-size: 1.15rem;
  block-size: 1.15rem;
  color: var(--accent);
}

.drawer__link:hover {
  background: var(--surface-alt);
  color: var(--accent);
}

.drawer__link[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════════════════════
   Ticker — the reference's starred news bar, cleaned up
   ══════════════════════════════════════════════════════════════════════════ */
.ticker {
  position: relative;
  display: flex;
  align-items: center;
  block-size: var(--ticker-h);
  overflow: hidden;
  background: var(--surface-alt);
  border-block: 1px solid var(--border-soft);
  contain: content;
}

.ticker__label {
  flex-shrink: 0;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  block-size: 100%;
  padding-inline: var(--gutter) var(--sp-4);
  background: var(--accent);
  color: var(--on-scrim);
  font-size: var(--fs-3xs);
  font-weight: 700;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  white-space: nowrap;
}

.ticker__viewport {
  flex: 1;
  overflow: hidden;
  min-inline-size: 0;
}

.ticker__track {
  display: flex;
  inline-size: max-content;
  animation: ticker var(--ticker-duration, 50s) linear infinite;
  animation-direction: var(--ticker-direction, normal);
}

.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track {
  animation-play-state: paused;
}

.ticker__group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  padding-inline: var(--sp-5);
  font-size: var(--fs-xs);
  color: var(--fg);
  white-space: nowrap;
  transition: color var(--d-1);
}

.ticker__item:hover {
  color: var(--accent);
}

.ticker__tag {
  padding: 0.1rem var(--sp-2);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-size: var(--fs-3xs);
  font-weight: 700;
}

.ticker__sep {
  color: var(--accent);
  opacity: 0.6;
}

@keyframes ticker {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(calc(var(--flow-start, -1) * 50%), 0, 0);
  }
}

/* ══════════════════════════════════════════════════════════════════════════
   Buttons
   ══════════════════════════════════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--on-scrim);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
  transition: filter var(--d-1), transform var(--d-2) var(--e-spring),
    box-shadow var(--d-2);
}

.btn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: var(--sh-2);
}

.btn svg {
  inline-size: 1rem;
  block-size: 1rem;
}

/* Outline variant — the reference's "اقرأ المزيد" pill */
.btn--outline {
  background: transparent;
  color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}

.btn--outline:hover {
  background: var(--accent);
  color: var(--on-scrim);
  filter: none;
}

.btn--sm {
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-2xs);
}

.btn--block {
  inline-size: 100%;
}

/* Quiet text link with an arrow */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--link);
  transition: gap var(--d-1);
}

.link-more svg {
  inline-size: 0.9rem;
  block-size: 0.9rem;
  transform: scaleX(var(--flow-scale, 1));
}

.link-more:hover {
  gap: var(--sp-3);
}

/* ══════════════════════════════════════════════════════════════════════════
   Panel — the shared surface for cards and sidebar widgets
   ══════════════════════════════════════════════════════════════════════════ */
.panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  overflow: hidden;
}

.panel__head {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  background: var(--surface-alt);
  border-block-end: 1px solid var(--border-soft);
}

.panel__head svg {
  inline-size: 1.1rem;
  block-size: 1.1rem;
  color: var(--accent);
}

.panel__title {
  font-family: var(--font-read);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--fg-strong);
}

.panel__body {
  padding: var(--sp-5);
}

/* ══════════════════════════════════════════════════════════════════════════
   Feature card — the reference's 3-up icon cards, without the clip-art
   ══════════════════════════════════════════════════════════════════════════ */
.feature {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  block-size: 100%;
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--r-md);
  box-shadow: var(--sh-1);
  transition: transform var(--d-2) var(--e-out), box-shadow var(--d-2) var(--e-out),
    border-color var(--d-2);
}

.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-3);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.feature__icon {
  display: grid;
  place-items: center;
  inline-size: 3rem;
  block-size: 3rem;
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.feature__icon svg {
  inline-size: 1.5rem;
  block-size: 1.5rem;
}

.feature__cat {
  font-size: var(--fs-3xs);
  font-weight: 700;
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--accent);
}

.feature__title {
  font-family: var(--font-read);
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: var(--lh-snug);
  color: var(--fg-strong);
}

/* The whole card is clickable, but the "read more" button stays a real
   control on top of the stretched link. */
.feature__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.feature__text {
  font-size: var(--fs-sm);
  line-height: var(--lh-read);
  color: var(--fg-mute);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.feature__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-block-start: auto;
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--border-soft);
}

.feature__foot .btn {
  position: relative;
  z-index: 2;
}

.feature__meta {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-3xs);
  color: var(--fg-faint);
}

.feature__meta svg {
  inline-size: 0.85rem;
  block-size: 0.85rem;
}

/* ══════════════════════════════════════════════════════════════════════════
   Sidebar widgets
   ══════════════════════════════════════════════════════════════════════════ */
.sidebar {
  display: grid;
  gap: var(--sp-5);
  align-content: start;
}

/* Vertical menu widget */
.side-menu {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-menu__link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  border-block-end: 1px solid var(--border-soft);
  font-size: var(--fs-sm);
  color: var(--fg);
  transition: background-color var(--d-1), color var(--d-1), padding-inline-start var(--d-2);
}

.side-menu li:last-child .side-menu__link {
  border-block-end: 0;
}

.side-menu__link svg {
  inline-size: 1.05rem;
  block-size: 1.05rem;
  color: var(--accent);
  flex-shrink: 0;
}

/* A chevron pointing toward the reading edge, mirrored in LTR */
.side-menu__link::after {
  content: "";
  margin-inline-start: auto;
  inline-size: 0.4rem;
  block-size: 0.4rem;
  border-block-start: 1.5px solid currentColor;
  border-inline-end: 1.5px solid currentColor;
  transform: rotate(calc(var(--flow-start, -1) * 45deg));
  opacity: 0.4;
  transition: opacity var(--d-1);
}

.side-menu__link:hover {
  background: var(--surface-alt);
  color: var(--accent);
  padding-inline-start: var(--sp-6);
}

.side-menu__link:hover::after {
  opacity: 1;
}

/* The page you're already on, not just what you're hovering. */
.side-menu__link[aria-current="page"] {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--accent);
  font-weight: 600;
}

.side-menu__link[aria-current="page"]::after {
  opacity: 1;
}

/* Login widget */
.login {
  display: grid;
  gap: var(--sp-3);
}

.login input {
  inline-size: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg);
  font-size: var(--fs-sm);
  transition: border-color var(--d-1), box-shadow var(--d-1);
}

.login input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

/* ── Account widget ───────────────────────────────────────────────────── */
.auth__tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-1);
  padding: var(--sp-1);
  margin-block-end: var(--sp-4);
  border-radius: var(--r-sm);
  background: var(--surface-alt);
}

.auth__tab {
  padding: var(--sp-2) var(--sp-3);
  border-radius: calc(var(--r-sm) - 2px);
  font-size: var(--fs-2xs);
  font-weight: 600;
  color: var(--fg-mute);
  transition: background-color var(--d-1), color var(--d-1);
}

.auth__tab:hover {
  color: var(--fg-strong);
}

.auth__tab[aria-selected="true"] {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--sh-1);
}

.auth__hint {
  font-size: var(--fs-3xs);
  color: var(--fg-faint);
}

.auth__greeting {
  font-size: var(--fs-sm);
  color: var(--fg);
}

.auth__greeting strong {
  color: var(--fg-strong);
}

.auth__email {
  margin-block: var(--sp-1) var(--sp-4);
  font-family: var(--font-mono);
  font-size: var(--fs-3xs);
  color: var(--fg-faint);
  overflow-wrap: anywhere;
}

/* An unconfirmed address: stated once, quietly, with the way out attached. */
.auth__notice {
  display: grid;
  gap: var(--sp-2);
  justify-items: start;
  padding: var(--sp-3);
  margin-block-end: var(--sp-4);
  border-radius: var(--r-sm);
  border: 1px solid color-mix(in srgb, var(--vermillion) 30%, transparent);
  background: color-mix(in srgb, var(--vermillion) 7%, transparent);
  font-size: var(--fs-3xs);
  color: var(--fg-mute);
}

/* Account actions: text buttons, not a wall of boxes. */
.auth__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-4);
  margin-block-start: var(--sp-4);
  padding-block-start: var(--sp-4);
  border-block-start: 1px solid var(--border-soft);
}

.auth__link {
  font-size: var(--fs-3xs);
  font-weight: 600;
  color: var(--fg-mute);
  text-align: start;
  transition: color var(--d-1);
}

.auth__link:hover {
  color: var(--accent);
}

.auth__link::after {
  content: "";
  display: block;
  block-size: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: var(--flow-origin, right);
  transition: transform var(--d-2) var(--e-out);
}

.auth__link:hover::after,
.auth__link:focus-visible::after {
  transform: scaleX(1);
}

/* Status line: errors in vermillion, progress in the muted ink. */
.form__status[data-state="ok"] {
  color: var(--fg-mute);
}

.form__status[data-state="error"] {
  color: var(--vermillion);
}

/* News list widget */
.news-list {
  display: grid;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list a {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--fg);
  transition: color var(--d-1);
}

.news-list a::before {
  content: "";
  inline-size: 0.4rem;
  block-size: 0.4rem;
  margin-block-start: 0.55em;
  border-radius: 50%;
  background: var(--accent);
}

.news-list a:hover {
  color: var(--accent);
}

/* Poll widget */
.poll {
  display: grid;
  gap: var(--sp-4);
}

.poll__question {
  font-family: var(--font-read);
  font-size: var(--fs-md);
  font-weight: 700;
  line-height: var(--lh-snug);
  color: var(--fg-strong);
}

.poll__options {
  display: grid;
  gap: var(--sp-1);
}

.poll__option {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--sp-3);
  inline-size: 100%;
  padding: var(--sp-3);
  border-radius: var(--r-sm);
  text-align: start;
  overflow: hidden;
  transition: background-color var(--d-1);
}

.poll__option:not(:disabled):hover {
  background: var(--surface-alt);
}

/* Result bar sits behind the label, inside the option's own rounded box */
.poll__bar {
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  inline-size: 100%;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  transform: scaleX(0);
  transform-origin: var(--flow-origin);
  transition: transform var(--d-4) var(--e-out);
}

.poll.is-voted .poll__bar {
  transform: scaleX(var(--pct, 0));
}

/* Radio dot */
.poll__option::before {
  content: "";
  position: relative;
  inline-size: 0.9rem;
  block-size: 0.9rem;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  transition: border-color var(--d-1), background-color var(--d-1),
    box-shadow var(--d-1);
}

.poll__option[aria-pressed="true"]::before {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: inset 0 0 0 3px var(--surface);
}

.poll__name {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--fg-strong);
}

.poll__pct {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  font-weight: 700;
  color: var(--accent);
  opacity: 0;
  transition: opacity var(--d-2) var(--e-out) 200ms;
}

.poll.is-voted .poll__pct {
  opacity: 1;
}

.poll__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  font-size: var(--fs-3xs);
  color: var(--fg-faint);
}

/* Contact widget rows */
.contact-lines {
  display: grid;
  gap: var(--sp-4);
}

.contact-line {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--sp-3);
  align-items: start;
  font-size: var(--fs-sm);
}

.contact-line svg {
  inline-size: 1.1rem;
  block-size: 1.1rem;
  color: var(--accent);
  margin-block-start: 0.15em;
}

.contact-line__label {
  display: block;
  font-size: var(--fs-3xs);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  color: var(--fg-faint);
}

.contact-line__value {
  color: var(--fg-strong);
  font-weight: 600;
}

/* ══════════════════════════════════════════════════════════════════════════
   Social row
   ══════════════════════════════════════════════════════════════════════════ */
.socials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.socials a {
  display: grid;
  place-items: center;
  inline-size: 2.25rem;
  block-size: 2.25rem;
  border-radius: var(--r-sm);
  background: var(--surface-alt);
  color: var(--fg-mute);
  transition: background-color var(--d-1), color var(--d-1), transform var(--d-2) var(--e-spring);
}

.socials a svg {
  inline-size: 1.05rem;
  block-size: 1.05rem;
}

.socials a:hover {
  background: var(--accent);
  color: var(--on-scrim);
  transform: translateY(-2px);
}

/* View counter — the reference's eye + number */
.viewcount {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-pill);
  background: var(--surface-alt);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  color: var(--fg-mute);
}

.viewcount svg {
  inline-size: 1rem;
  block-size: 1rem;
  color: var(--accent);
}

/* ══════════════════════════════════════════════════════════════════════════
   Forms
   ══════════════════════════════════════════════════════════════════════════ */
.field {
  display: grid;
  gap: var(--sp-2);
}

.field__label {
  font-size: var(--fs-2xs);
  font-weight: 600;
  color: var(--fg-mute);
}

.field__control {
  inline-size: 100%;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--surface);
  font-size: var(--fs-sm);
  color: var(--fg-strong);
  transition: border-color var(--d-1), box-shadow var(--d-1);
}

.field__control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 15%, transparent);
}

textarea.field__control {
  min-block-size: 7rem;
  resize: vertical;
}

.form__status {
  font-size: var(--fs-2xs);
  color: var(--accent);
  min-block-size: 1.2em;
}

/* ══════════════════════════════════════════════════════════════════════════
   Carousel — used by the hero and the book strip
   ══════════════════════════════════════════════════════════════════════════ */
.carousel {
  position: relative;
  /* Guards against the same class of bug fixed on .layout__main: a flex
     track's real content width can otherwise leak out through an ancestor
     that doesn't clamp its size, even though .carousel__viewport clips the
     track visually. Cheap to keep here for any future nesting context. */
  min-inline-size: 0;
}

.carousel__viewport {
  overflow: hidden;
  border-radius: var(--r-lg);
}

/* The track's transform is written by carousel.js as a concrete pixel
   length, not composed here from custom properties. A transitioned property
   whose value comes from var() does not reliably re-resolve when that
   variable changes, and the track silently stops moving. The direction sign
   still lives in CSS (--carousel-dir); the script only reads it. */
.carousel__track {
  display: flex;
  transition: transform var(--d-4) var(--e-in-out);
}

/* Slide width is a fraction of the viewport, so one carousel can show a
   single hero panel and another can show five book covers per page. The
   gap is padding *inside* the slide, otherwise flex-gap would break the
   exact 100%/perView arithmetic the transform relies on. */
.carousel__slide {
  flex: 0 0 calc(100% / var(--per-view, 1));
  min-inline-size: 0;
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--sp-2);
  margin-block-start: var(--sp-4);
}

.carousel__dot {
  inline-size: 0.5rem;
  block-size: 0.5rem;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background-color var(--d-1), inline-size var(--d-2) var(--e-out);
}

.carousel__dot[aria-selected="true"] {
  inline-size: 1.5rem;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.carousel__arrow {
  position: absolute;
  inset-block-start: 50%;
  translate: 0 -50%;
  z-index: 2;
  display: grid;
  place-items: center;
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--fg-strong);
  box-shadow: var(--sh-2);
  transition: background-color var(--d-1), color var(--d-1);
}

.carousel__arrow:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-scrim);
}

.carousel__arrow svg {
  inline-size: 1.1rem;
  block-size: 1.1rem;
}

.carousel__arrow--prev {
  inset-inline-start: calc(var(--sp-5) * -1);
}

.carousel__arrow--next {
  inset-inline-end: calc(var(--sp-5) * -1);
}

/* ══════════════════════════════════════════════════════════════════════════
   Lightbox
   ══════════════════════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: var(--sp-4);
  padding: var(--sp-5) var(--gutter);
  background: color-mix(in srgb, #1b1209 92%, transparent);
  color: var(--on-scrim);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--d-2) var(--e-out), visibility var(--d-2);
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox__bar,
.lightbox__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  font-size: var(--fs-2xs);
}

.lightbox__foot {
  justify-content: center;
  gap: var(--sp-6);
}

.lightbox__stage {
  display: grid;
  place-items: center;
  min-block-size: 0;
}

.lightbox__img {
  max-inline-size: min(100%, 68rem);
  max-block-size: 100%;
  object-fit: contain;
  border-radius: var(--r-md);
}

.lightbox button {
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-pill);
  border: 1px solid color-mix(in srgb, #fbf4e3 30%, transparent);
  color: var(--on-scrim);
  font-size: var(--fs-2xs);
  transition: background-color var(--d-1);
}

.lightbox button:hover {
  background: color-mix(in srgb, #fbf4e3 14%, transparent);
}

/* ══════════════════════════════════════════════════════════════════════════
   Back to top
   ══════════════════════════════════════════════════════════════════════════ */
.to-top {
  position: fixed;
  inset-block-end: var(--sp-5);
  inset-inline-end: var(--sp-5);
  z-index: var(--z-sticky);
  display: grid;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-scrim);
  box-shadow: var(--sh-3);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--d-2) var(--e-out), transform var(--d-2) var(--e-out);
}

.to-top.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top svg {
  inline-size: 1.1rem;
  block-size: 1.1rem;
  transform: rotate(-90deg) scaleX(var(--flow-scale, 1));
}

/* ══════════════════════════════════════════════════════════════════════════
   Responsive
   ══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 78rem) {
  .nav__search {
    display: none;
  }
}

@media (max-width: 68rem) {
  .nav__menu,
  .nav__prefs {
    display: none;
  }

  .nav__burger {
    display: block;
    margin-inline-start: auto;
  }

  .carousel__arrow--prev {
    inset-inline-start: var(--sp-3);
  }

  .carousel__arrow--next {
    inset-inline-end: var(--sp-3);
  }
}

@media (max-width: 44rem) {
  .brand__role {
    display: none;
  }

  .nav__contact span {
    display: none;
  }

  .nav__contact {
    padding: var(--sp-3);
  }
}