/* HERsHE — brand refresh
   Design tokens
   Midnight     #101820  dark surfaces, default heading/body-on-light color
   Midnight Soft #1B2733 secondary dark surface (cards on dark bg)
   Blue         #39A9E8  HERsHE blue — buttons, icons, borders, the Support Line motif
   Blue Ink     #0E6A96  accessible blue for text/links on light backgrounds (4.5:1+)
   Blue Hover   #1E86BE  button hover state
   Sky          #77D1F5  accent text/labels on dark backgrounds
   Mist         #EEF6FA  canvas background / light text on dark backgrounds
   Haze         #BFDCEA  secondary/muted text on dark backgrounds
   White        #FFFFFF
   Body         #334155  body copy on light backgrounds
*/

:root {
  --midnight: #101820;
  --midnight-soft: #1B2733;
  --blue: #39A9E8;
  --blue-ink: #0E6A96;
  --blue-hover: #1E86BE;
  --sky: #77D1F5;
  --mist: #EEF6FA;
  --haze: #BFDCEA;
  --white: #FFFFFF;
  --body: #334155;
  --border: #D7E7F1;
}

* { -webkit-tap-highlight-color: transparent; }

html { 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;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--mist);
  color: var(--midnight);
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
}

.font-display { font-family: '"Big Shoulders Condensed"', 'Big Shoulders Condensed', ui-sans-serif, sans-serif; font-weight: 700; letter-spacing: -0.01em; }
.font-body { font-family: 'Inter', ui-sans-serif, system-ui, sans-serif; }
.font-mono { font-family: '"IBM Plex Mono"', 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace; }

/* Focus rings — blue-ink on light surfaces (5.9:1), sky inside dark sections (10.4:1) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible,
label:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--blue-ink);
  outline-offset: 3px;
  border-radius: 2px;
}
.on-dark a:focus-visible, .on-dark button:focus-visible, .on-dark input:focus-visible,
.on-dark label:focus-visible, .on-dark [tabindex]:focus-visible {
  outline-color: var(--sky);
}

::selection { background: var(--blue); color: var(--midnight); }

/* ---------- Support Line — signature device ----------
   A curved line evoking the binder's structural band. Two uses only, kept
   restrained: (1) framing photography at opposing corners, (2) a single
   guiding sweep marking a hero-to-body transition or a storytelling beat. */

.support-frame { position: relative; }
.support-frame__corner {
  position: absolute;
  width: 44px;
  height: 44px;
  pointer-events: none;
  color: var(--blue);
}
.support-frame__corner--tl { top: -14px; left: -14px; }
.support-frame__corner--br { bottom: -14px; right: -14px; transform: rotate(180deg); }

.support-sweep {
  display: block;
  width: 100%;
  height: auto;
  color: var(--blue);
}

/* ---------- Size selector (segmented control) ---------- */
.size-tick input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.size-tick__box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  padding: 0.75rem 0.25rem 0.6rem;
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  background: var(--white);
  transition: background-color 200ms ease, border-color 200ms ease, transform 200ms ease;
}
.size-tick__box:hover { border-color: var(--blue); transform: translateY(-2px); }
.size-tick input:checked + .size-tick__box { background: var(--blue); border-color: var(--blue); }
.size-tick input:checked + .size-tick__box .size-tick__name,
.size-tick input:checked + .size-tick__box .size-tick__range { color: var(--midnight); }
.size-tick input:focus-visible + .size-tick__box { outline: 2px solid var(--blue-ink); outline-offset: 2px; }
.size-tick__name { font-family: '"IBM Plex Mono"', monospace; font-weight: 600; font-size: 0.85rem; color: var(--midnight); }
.size-tick__range { font-size: 0.62rem; color: var(--body); letter-spacing: 0.02em; }

/* Reveal-on-scroll — visible by default (no-JS / crawlers / reduced motion);
   only animates once main.js confirms IntersectionObserver support. */
.reveal { opacity: 1; transform: none; }
html.js-reveal .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease, transform 700ms ease;
}
html.js-reveal .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html.js-reveal .reveal { opacity: 1; transform: none; transition: none; }
}

.nav-link { position: relative; color: var(--midnight); }
.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--blue-ink);
  transition: width 250ms ease;
}
.nav-link:hover::after, .nav-link[aria-current="page"]::after { width: 100%; }

.btn-primary {
  background: var(--blue);
  color: var(--midnight);
  font-weight: 600;
  transition: background-color 200ms ease, transform 200ms ease;
}
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); }

.btn-outline {
  border: 1px solid var(--border);
  color: var(--midnight);
  transition: border-color 200ms ease, background-color 200ms ease;
}
.btn-outline:hover { border-color: var(--blue); background: var(--white); }

.on-dark .btn-outline { border-color: rgba(238,246,250,0.35); color: var(--mist); }
.on-dark .btn-outline:hover { border-color: var(--sky); background: rgba(238,246,250,0.08); }

.card-lift { transition: transform 300ms ease, box-shadow 300ms ease; }
.card-lift:hover { transform: translateY(-6px); box-shadow: 0 20px 40px -20px rgba(16,24,32,0.25); }

/* Portrait / product placeholder — used until real photography is dropped in */
.portrait-placeholder {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: 0.75rem;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background: linear-gradient(155deg, var(--sky) 0%, var(--blue) 55%, var(--midnight) 100%);
}

.video-frame { position: relative; }
.video-frame video, .video-frame img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Hero mute toggle ---------- */
.mute-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16,24,32,0.55);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(238,246,250,0.25);
  color: var(--mist);
  transition: border-color 200ms ease, background-color 200ms ease;
}
.mute-toggle:hover { border-color: var(--sky); background: rgba(16,24,32,0.75); }
.mute-toggle svg { width: 16px; height: 16px; }
.mute-toggle[aria-pressed="false"] [data-icon-muted] { display: none; }
.mute-toggle[aria-pressed="true"] [data-icon-unmuted] { display: none; }

/* ---------- Ambassador slider — "the slides" ---------- */
.ambassador-slider { position: relative; }
.ambassador-slider__track {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.5rem;
  scrollbar-width: none;
}
.ambassador-slider__track::-webkit-scrollbar { display: none; }
@media (prefers-reduced-motion: reduce) {
  .ambassador-slider__track { scroll-behavior: auto; }
}
.ambassador-slider__slide {
  flex: 0 0 auto;
  width: 220px;
  scroll-snap-align: start;
}
.ambassador-slider--large .ambassador-slider__slide { width: 380px; }
.ambassador-slider__slide img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 0.75rem;
  background: var(--midnight-soft);
  cursor: zoom-in;
  transition: transform 200ms ease;
}
.ambassador-slider__slide img:hover { transform: scale(1.015); }

/* ---------- Lightbox — click a slide to see it full size ---------- */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  background: rgba(16, 24, 32, 0.92);
  padding: 3.5rem 1.5rem 1.5rem;
}
.lightbox.is-open { display: flex; }
.lightbox__inner { max-width: 960px; width: 100%; }
.lightbox__inner img {
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  border-radius: 0.75rem;
  display: block;
  margin: 0 auto;
}
.lightbox__caption {
  margin-top: 1rem;
  text-align: center;
  color: var(--mist);
  font-family: '"IBM Plex Mono"', monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
}
.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--midnight-soft);
  border: 1px solid rgba(238, 246, 250, 0.2);
  color: var(--mist);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 200ms ease, border-color 200ms ease, color 200ms ease;
}
.lightbox__close:hover { background: var(--blue); border-color: var(--blue); color: var(--midnight); }
.ambassador-slider__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--midnight);
  background: var(--white);
  transition: background-color 200ms ease, border-color 200ms ease, transform 200ms ease;
  flex: 0 0 auto;
}
.ambassador-slider__nav:hover { background: var(--blue); border-color: var(--blue); transform: translateY(-1px); }
.on-dark .ambassador-slider__nav { background: var(--midnight-soft); border-color: rgba(238,246,250,0.2); color: var(--mist); }
.on-dark .ambassador-slider__nav:hover { background: var(--blue); border-color: var(--blue); color: var(--midnight); }

/* ---------- Contact form ---------- */
.field-error {
  display: none;
  color: #B3261E;
  font-size: 0.75rem;
  margin-top: 0.35rem;
}
.field-error.is-visible { display: block; }
[aria-invalid="true"] { border-color: #B3261E !important; }

/* ---------- Store locator ---------- */
.store-row { transition: opacity 200ms ease, max-height 200ms ease; }
.store-row[hidden] { display: none; }