/* ==========================================================================
   Components
   ========================================================================== */

/* --- Scroll progress ----------------------------------------------------- */
.progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: calc(var(--z-header) + 1);
  background: transparent;
  pointer-events: none;
}
.progress__bar {
  height: 100%;
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: var(--bronze);
}

/* --- Header --------------------------------------------------------------
   The mobile menu is a SIBLING of the header, never a child: a
   backdrop-filtered ancestor collapses fixed descendants to zero. */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: height var(--t-mid) var(--ease),
              background-color var(--t-mid) var(--ease),
              border-color var(--t-mid) var(--ease),
              backdrop-filter var(--t-mid) var(--ease);
}
.header__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad-x);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 3rem);
}

.header.is-scrolled {
  height: 62px;
  background: rgb(247 244 239 / 0.82);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  border-bottom-color: var(--line);
}
/* Pages that open on a dark hero invert the header until it is scrolled. */
.header--over-dark:not(.is-scrolled) { color: var(--d-ink); }
.header--over-dark:not(.is-scrolled) .wordmark span { color: var(--d-bronze); }
.header--over-dark:not(.is-scrolled) .wordmark,
.header--over-dark:not(.is-scrolled) .nav__link,
.header--over-dark:not(.is-scrolled) .burger__line { color: var(--d-ink); }
.header--over-dark:not(.is-scrolled) .burger__line { background: currentColor; }
.header--over-dark:not(.is-scrolled) .btn--ghost { border-color: rgb(242 237 227 / 0.4); color: var(--d-ink); }
.header--over-dark:not(.is-scrolled) .btn--ghost:hover { background: var(--d-ink); color: var(--d-ground); border-color: var(--d-ink); }

.wordmark {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  letter-spacing: 0.14em;
  /* Tracking eats the word space; put some of it back so the two words read
     as two words rather than as ARCADESTUDIO. */
  word-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
  flex: none;
  line-height: 1;
  /* The wordmark is the home link — its hit area has to be a real target,
     not the 17px the glyphs happen to occupy. */
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.wordmark span { color: var(--bronze-ink); }

.nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.25rem); margin-left: auto; }
.nav__link {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: 0.05em;
  padding-block: 0.35rem;
  color: var(--ink-2);
  white-space: nowrap;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 1px;
  width: 100%;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform var(--t-mid) var(--ease);
}
.nav__link:hover::after,
.nav__link:focus-visible::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav__link[aria-current='page'] { color: var(--ink); font-weight: 700; }
.nav__link[aria-current='page']::after { transform: scaleX(1); background: var(--bronze); }

.header__cta { flex: none; margin-left: 0.5rem; }

/* --- Burger --------------------------------------------------------------
   Absolutely positioned bars, so the X is geometrically exact. */
.burger {
  position: relative;
  width: 44px; height: 44px;
  flex: none;
  margin-left: auto;
  display: none;
  color: var(--ink);
}
.burger__line {
  position: absolute;
  left: 11px;
  width: 22px; height: 1.5px;
  background: currentColor;
  transition: transform var(--t-mid) var(--ease), opacity 160ms linear;
}
.burger__line:nth-child(1) { top: 18px; }
.burger__line:nth-child(2) { top: 25px; }
.burger[aria-expanded='true'] .burger__line:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.burger[aria-expanded='true'] .burger__line:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

/* --- Full-screen menu ---------------------------------------------------- */
.menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  background: var(--d-ground);
  color: var(--d-muted);
  display: grid;
  grid-template-rows: var(--header-h) 1fr auto;
  padding-inline: var(--pad-x);
  overflow-y: auto;
  overscroll-behavior: contain;
  clip-path: inset(0 0 100% 0);
  visibility: hidden;
  transition: clip-path var(--t-slow) var(--ease-expo), visibility 0s linear var(--t-slow);
}
.menu.is-open {
  clip-path: inset(0 0 0 0);
  visibility: visible;
  transition: clip-path var(--t-slow) var(--ease-expo), visibility 0s;
}
.menu__top { display: flex; align-items: center; }
.menu__top .wordmark { color: var(--d-ink); }
.menu__top .wordmark span { color: var(--d-bronze); }
.menu__close { margin-left: auto; color: var(--d-ink); }

.menu__body {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-content: center;
  padding-block: clamp(1.5rem, 4vw, 3rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
}
.menu__primary { display: grid; gap: 0.15rem; }
.menu__primary a {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 4.25rem);
  line-height: 1.08;
  color: var(--d-ink);
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-block: 0.15rem;
  opacity: 0;
  transform: translateY(0.6em);
  transition: opacity 420ms var(--ease) var(--d, 0ms),
              transform 520ms var(--ease-expo) var(--d, 0ms),
              color 200ms var(--ease);
}
.menu.is-open .menu__primary a { opacity: 1; transform: none; }
.menu__primary a:hover { color: var(--d-bronze); }
.menu__primary a[aria-current='page'] { color: var(--d-bronze); }
.menu__primary .menu__num {
  font-family: var(--font-ui);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: var(--track-meta);
  color: var(--d-bronze);
}

.menu__secondary { display: grid; gap: 0.55rem; align-content: start; }
.menu__secondary a { font-size: var(--fs-small); color: var(--d-muted); }
.menu__secondary a:hover { color: var(--d-ink); }

.menu__foot {
  border-top: 1px solid var(--d-line);
  padding-block: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
/* :not(.btn) matters — a bare `a` rule here outranks `.btn`'s own colour and
   silently repaints the primary call to action. */
.menu__foot a:not(.btn) {
  color: var(--d-muted);
  font-size: var(--fs-small);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.menu__foot a:not(.btn):hover { color: var(--d-ink); }
.menu__foot .btn { margin-left: auto; }

body.menu-open { overflow: hidden; }

/* --- Buttons -------------------------------------------------------------
   Square, hairline, with an arrow that shifts on hover. No pill shapes. */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text-strong);
  --btn-bd: var(--rule-strong);
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 44px;
  padding: 0.75rem 1.35rem;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.btn__arrow {
  display: inline-block;
  transition: transform var(--t-mid) var(--ease-expo);
  will-change: transform;
}
.btn:hover .btn__arrow { transform: translateX(0.35em); }
.btn--up:hover .btn__arrow { transform: translate(0.3em, -0.3em); }

.btn--solid { --btn-bg: var(--ink); --btn-fg: var(--paper); --btn-bd: var(--ink); }
.btn--solid:hover { --btn-bg: var(--bronze-ink); --btn-bd: var(--bronze-ink); }
.chapter--dark .btn--solid { --btn-bg: var(--d-ink); --btn-fg: var(--d-ground); --btn-bd: var(--d-ink); }
.chapter--dark .btn--solid:hover { --btn-bg: var(--d-bronze); --btn-bd: var(--d-bronze); }

.btn--ghost:hover { --btn-bg: var(--ink); --btn-fg: var(--paper); --btn-bd: var(--ink); }
.chapter--dark .btn--ghost { --btn-fg: var(--d-ink); --btn-bd: var(--d-line); }
.chapter--dark .btn--ghost:hover { --btn-bg: var(--d-ink); --btn-fg: var(--d-ground); --btn-bd: var(--d-ink); }

.btn--bare { border: 0; padding-inline: 0; min-height: 0; }
.btn--bare .btn__label { position: relative; padding-bottom: 3px; }
.btn--bare .btn__label::after {
  content: '';
  position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform var(--t-mid) var(--ease);
}
.btn--bare:hover .btn__label::after { transform: scaleX(1); transform-origin: 0 50%; }

.btn--sm { min-height: 40px; padding: 0.55rem 1rem; font-size: var(--fs-meta); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* --- Magnetic buttons (progressive enhancement, pointer:fine only) -------- */
.magnetic { transition: transform 480ms var(--ease-expo); }

/* --- Project cards ------------------------------------------------------- */
.pcard { position: relative; display: block; }
.pcard__media {
  position: relative;
  overflow: hidden;
  background: var(--stone);
}
.pcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 900ms var(--ease-expo), filter 600ms var(--ease);
}
.pcard:hover .pcard__media img,
.pcard:focus-visible .pcard__media img { transform: scale(1.045); }

.pcard__reveal {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  background: rgb(20 18 14 / 0.86);
  color: var(--d-ink);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: var(--track-meta);
  text-transform: uppercase;
  transform: translateY(101%);
  transition: transform var(--t-mid) var(--ease-expo);
}
.pcard:hover .pcard__reveal,
.pcard:focus-visible .pcard__reveal { transform: translateY(0); }

.pcard__body {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  margin-top: 1rem;
}
.pcard__index {
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: var(--track-meta);
  color: var(--accent-text);
  flex: none;
}
.pcard__title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  line-height: 1.1;
  color: var(--text-strong);
  transition: transform var(--t-mid) var(--ease-expo);
}
.pcard:hover .pcard__title { transform: translateX(0.3rem); }
.pcard__meta { margin-left: auto; text-align: right; flex: none; }

/* --- Service cards ------------------------------------------------------- */
.scard {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.9rem;
  padding: clamp(1.5rem, 2.2vw, 2.25rem);
  border: 1px solid var(--rule);
  background: var(--ground-2);
  min-height: 100%;
  overflow: hidden;
  transition: border-color var(--t-mid) var(--ease), transform var(--t-mid) var(--ease-expo);
}
.scard:hover { border-color: var(--rule-strong); transform: translateY(-3px); }
.scard__bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease);
  pointer-events: none;
}
.scard__bg img { width: 100%; height: 100%; object-fit: cover; }
.scard__bg::after { content: ''; position: absolute; inset: 0; background: rgb(20 18 14 / 0.72); }
.scard:hover .scard__bg { opacity: 1; }
.scard > *:not(.scard__bg) { position: relative; z-index: 1; transition: color var(--t-mid) var(--ease); }
.scard:hover .scard__n,
.scard:hover .scard__title,
.scard:hover .scard__text,
.scard:hover .scard__go { color: var(--d-ink); }
.scard:hover .scard__n { color: var(--d-bronze); }

.scard__n { font-size: var(--fs-meta); font-weight: 700; letter-spacing: var(--track-meta); color: var(--accent-text); }
.scard__title { font-family: var(--font-display); font-size: var(--fs-h3); line-height: 1.12; color: var(--text-strong); }
.scard__text { font-size: var(--fs-small); color: var(--text-muted); }
.scard__go { display: flex; align-items: center; gap: 0.5rem; font-size: var(--fs-meta); font-weight: 700; letter-spacing: var(--track-meta); text-transform: uppercase; color: var(--text-strong); }
.scard:hover .scard__go .btn__arrow { transform: translateX(0.35em); }

/* --- Filters ------------------------------------------------------------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.filter {
  min-height: 44px;
  padding: 0.5rem 1rem;
  border: 1px solid var(--rule);
  font-size: var(--fs-meta);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.filter:hover { color: var(--text-strong); border-color: var(--rule-strong); }
.filter[aria-pressed='true'] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}
/* The count inherits the pill's own colour rather than being faded — a 0.55
   opacity here dropped it to 2.2:1 in both the resting and the pressed state. */
.filter__count { margin-left: 0.4rem; font-weight: 500; color: inherit; }

.filter-status { font-size: var(--fs-small); color: var(--text-muted); }

/* Filtered-out cards leave the flow; filtered-in cards fade back. */
.is-filtered-out { display: none !important; }
.is-filtered-in { animation: card-in 420ms var(--ease) both; }
@keyframes card-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* --- Accordion -----------------------------------------------------------
   The panel is a sibling of the heading, and animates with grid rows so the
   height transition needs no measured pixel value. */
.acc { border-top: 1px solid var(--rule); }
.acc__item { border-bottom: 1px solid var(--rule); }
.acc__head { margin: 0; }
.acc__btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: clamp(1.1rem, 2vw, 1.6rem) 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.9vw, 1.6rem);
  line-height: 1.22;
  color: var(--text-strong);
  transition: color var(--t-fast) var(--ease);
}
.acc__btn:hover { color: var(--accent-text); }
.acc__sign {
  margin-left: auto;
  flex: none;
  position: relative;
  width: 20px; height: 20px;
  margin-top: 0.35em;
}
.acc__sign::before,
.acc__sign::after {
  content: '';
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--t-mid) var(--ease-expo);
}
.acc__sign::after { transform: rotate(90deg); }
.acc__btn[aria-expanded='true'] .acc__sign::after { transform: rotate(0deg); }

.acc__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--t-mid) var(--ease-expo);
}
.acc__item.is-open .acc__panel { grid-template-rows: 1fr; }
.acc__panel > div { overflow: hidden; }
.acc__panel p {
  padding-bottom: clamp(1.1rem, 2vw, 1.6rem);
  max-width: 62ch;
  color: var(--text);
}

/* --- Before / after slider ----------------------------------------------- */
.ba {
  position: relative;
  overflow: hidden;
  background: var(--stone);
  touch-action: pan-y;
  user-select: none;
  cursor: ew-resize;
}
.ba img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ba__layer {
  position: absolute;
  inset: 0;
  /* The base image is BEFORE and fills the plate; this layer is AFTER and is
     clipped to the region right of the divider, so each half matches the label
     pinned above it. --pos (0–100%) comes from js/before-after.js. */
  clip-path: inset(0 0 0 var(--pos, 50%));
}
.ba__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos, 50%);
  width: 2px;
  background: var(--paper);
  transform: translateX(-1px);
  pointer-events: none;
}
.ba__grip {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--paper);
  color: var(--ink);
  display: grid;
  place-items: center;
  box-shadow: 0 2px 18px rgb(20 18 14 / 0.25);
}
.ba__grip svg { width: 22px; height: 22px; }
.ba__range {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0;
  cursor: ew-resize;
  margin: 0;
}
.ba__range:focus-visible + .ba__handle .ba__grip { outline: 2px solid var(--bronze-ink); outline-offset: 3px; }
.ba__tag {
  position: absolute;
  top: 1rem;
  padding: 0.4rem 0.7rem;
  background: rgb(20 18 14 / 0.72);
  color: var(--d-ink);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: var(--track-meta);
  pointer-events: none;
}
.ba__tag--before { left: 1rem; }
.ba__tag--after { right: 1rem; }

/* --- Lightbox ------------------------------------------------------------ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  background: rgb(12 11 8 / 0.96);
  display: grid;
  grid-template-rows: auto 1fr auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid) var(--ease), visibility 0s linear var(--t-mid);
}
.lightbox.is-open { opacity: 1; visibility: visible; transition: opacity var(--t-mid) var(--ease), visibility 0s; }
.lightbox__bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem var(--pad-x);
  color: var(--d-muted);
  font-size: var(--fs-meta);
  letter-spacing: var(--track-meta);
  text-transform: uppercase;
}
.lightbox__count { color: var(--d-bronze); font-weight: 700; }
.lightbox__close { margin-left: auto; color: var(--d-ink); display: flex; align-items: center; gap: 0.5rem; min-height: 44px; }
.lightbox__stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0 clamp(0.5rem, 4vw, 4rem);
  min-height: 0;
}
.lightbox__stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
}
.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  color: var(--d-ink);
  background: rgb(242 237 227 / 0.08);
  border: 1px solid var(--d-line);
  transition: background-color var(--t-fast) var(--ease);
}
.lightbox__nav:hover { background: rgb(242 237 227 / 0.2); }
.lightbox__nav--prev { left: clamp(0.5rem, 2vw, 2rem); }
.lightbox__nav--next { right: clamp(0.5rem, 2vw, 2rem); }
.lightbox__caption {
  padding: 1rem var(--pad-x) 1.5rem;
  color: var(--d-muted);
  font-size: var(--fs-small);
  text-align: center;
}

/* --- Back to top --------------------------------------------------------- */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2.5rem);
  bottom: clamp(1rem, 3vw, 2.5rem);
  z-index: 50;
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity var(--t-mid) var(--ease), transform var(--t-mid) var(--ease-expo), background-color var(--t-fast) var(--ease);
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--bronze-ink); }

/* --- Forms --------------------------------------------------------------- */
.field { position: relative; display: block; }
.field__input,
.field__area,
.field__select {
  width: 100%;
  min-height: 56px;
  padding: 1.5rem 0.9rem 0.55rem;
  background: var(--ground-2);
  border: 1px solid var(--rule);
  border-radius: 2px;
  color: var(--text-strong);
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}
.field__area { min-height: 140px; resize: vertical; }
.field__label {
  position: absolute;
  left: 0.95rem; top: 1.05rem;
  font-size: var(--fs-body);
  color: var(--text-muted);
  pointer-events: none;
  transform-origin: 0 0;
  transition: transform 200ms var(--ease), color 200ms var(--ease);
}
.field__input:focus + .field__label,
.field__area:focus + .field__label,
.field__input:not(:placeholder-shown) + .field__label,
.field__area:not(:placeholder-shown) + .field__label {
  transform: translateY(-0.75rem) scale(0.72);
  color: var(--accent-text);
}
.field__input:focus,
.field__area:focus { border-color: var(--ink); outline-offset: 2px; }
.field__error {
  display: block;
  margin-top: 0.4rem;
  font-size: var(--fs-small);
  color: #8E3B2A;
  min-height: 1.2em;
}
.field.is-invalid .field__input,
.field.is-invalid .field__area { border-color: #8E3B2A; }

.field__req { color: var(--accent-text); }

/* Option cards used by the multi-step form and the quiz. */
.opt {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 60px;
  padding: 1rem 1.15rem;
  border: 1px solid var(--rule);
  background: var(--ground-2);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.opt:hover { border-color: var(--rule-strong); }
.opt input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.opt__mark {
  flex: none;
  width: 18px; height: 18px;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  display: grid;
  place-items: center;
  transition: border-color var(--t-fast) var(--ease);
}
.opt__mark::after {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ink);
  transform: scale(0);
  transition: transform 200ms var(--ease-expo);
}
.opt input:checked ~ .opt__mark::after { transform: scale(1); }
/* A hard-coded light panel here put light text on a light ground inside a
   dark chapter. The active surface follows the chapter's own ground. */
.opt:has(input:checked) { border-color: var(--text-strong); background: var(--surface-active); }
.opt:has(input:focus-visible) { outline: 2px solid var(--bronze-ink); outline-offset: 3px; }
.opt__label { font-size: var(--fs-body); color: var(--text-strong); }

/* Steps */
.steps { display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.steps__item {
  flex: 1 1 0;
  min-width: 28px;
  height: 3px;
  background: var(--stone);
  position: relative;
  overflow: hidden;
}
.steps__item::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--bronze);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--t-mid) var(--ease);
}
.steps__item.is-done::after,
.steps__item.is-current::after { transform: scaleX(1); }
.steps__item.is-current::after { background: var(--ink); }

.step[hidden] { display: none !important; }

.form-note {
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--bronze);
  background: var(--paper-3);
  font-size: var(--fs-small);
  color: var(--text-muted);
}

.success {
  text-align: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

/* --- Swatches ------------------------------------------------------------ */
.swatch {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.swatch__chip {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--c, var(--stone));
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
/* A faint grain so a flat hex reads as a material rather than a colour chip. */
.swatch__chip::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at 30% 25%, rgb(255 255 255 / 0.28), transparent 55%),
                    radial-gradient(circle at 75% 80%, rgb(0 0 0 / 0.18), transparent 60%);
}
.swatch__name { font-size: var(--fs-small); font-weight: 600; color: var(--text-strong); display: block; }
.swatch__note { font-size: var(--fs-meta); letter-spacing: 0.04em; color: var(--text-muted); }

/* --- Notes and disclosures ---------------------------------------------- */
.disclosure {
  display: flex;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border: 1px dashed var(--rule-strong);
  font-size: var(--fs-small);
  color: var(--text-muted);
  max-width: 68ch;
}
.disclosure__mark { flex: none; color: var(--accent-text); font-weight: 700; }

/* --- Footer -------------------------------------------------------------- */
.footer { background: var(--d-ground); color: var(--d-muted); }
.footer a:not(.btn) { color: var(--d-muted); }
.footer a:not(.btn):hover { color: var(--d-ink); }

.footer__main {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  padding-block: clamp(3rem, 6vw, 5rem);
}
.footer__brand .wordmark { color: var(--d-ink); }
.footer__brand .wordmark span { color: var(--d-bronze); }
/* The column headings are h2 for document order; the styling stays the same. */
.footer__col h2 {
  font-family: var(--font-ui);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: var(--track-meta);
  text-transform: uppercase;
  color: var(--d-bronze);
  margin-bottom: 1rem;
}
.footer__col ul { list-style: none; display: grid; gap: 0.55rem; }
/* Footer links are real navigation and get a real 44px target, not the 18–22px
   the glyphs happen to occupy. */
.footer__col a,
.footer li a {
  font-size: var(--fs-small);
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  /* A short label like "FAQ" is only 24px of glyphs; the target has to be
     44px in both directions, not just vertically. */
  min-width: 44px;
}
.footer__col ul { gap: 0; }
/* The bottom row is all metadata: the credit link matches its neighbours. */
.footer__legal a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.footer__bottom {
  border-top: 1px solid var(--d-line);
  padding-block: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  font-size: var(--fs-meta);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer__bottom .footer__legal { margin-left: auto; display: flex; gap: 1.25rem; flex-wrap: wrap; }

.social { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.social a {
  min-width: 44px; min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--d-line);
  font-size: var(--fs-meta);
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.social a:hover { background: var(--d-ink); color: var(--d-ground); border-color: var(--d-ink); }