/* =========================================================
   ZEISS Lenses — page styles (global tokens live in style.css)
   ========================================================= */

.zs-left { text-align: left; margin-bottom: 18px; }
.zs-ref {
  display: inline-block; margin-left: 2px; vertical-align: super;
  font-size: .62em; font-weight: 600; line-height: 1; color: var(--teal);
  border: 0 !important;
}
.zs-ref:hover { color: var(--gold-deep); }

/* reveal on scroll: zeiss.js adds .is-in */
.js .zs [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.js .zs [data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- Hero ---------- */
.zs-hero__frame { position: relative; }
.zs-hero__tag {
  position: absolute; left: -14px; bottom: 40px; z-index: 2;
  display: flex; align-items: center; gap: 14px;
  background: var(--teal-deep); color: var(--cream-2); padding: 0 16px 0 0;
  font-size: 11px; font-weight: 600; letter-spacing: .24em; text-transform: uppercase;
}
.zs-hero__frame .zs-hero__tag img { display: block; width: 44px; height: 44px; aspect-ratio: auto; background: none; position: static; }
.zs-hero .lead em { font-style: normal; color: var(--teal-deep); font-weight: 600; }

/* ---------- Chapter bar ---------- */
.zs-chapters {
  position: sticky; top: 66px; z-index: 50;
  background: rgba(241, 237, 230, .94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-block: 1px solid rgba(31,31,31,.08);
}
.zs-chapters { display: flex; align-items: center; }
/* ZEISS mark: tucked away until the bar is stuck (zeiss.js adds .is-stuck) */
.zs-chapters__mark {
  flex: 0 0 auto; display: block; width: 0; opacity: 0; overflow: hidden;
  transition: width .5s var(--ease-out), opacity .4s, margin .5s var(--ease-out);
}
.zs-chapters__mark img { display: block; width: 30px; height: 30px; max-width: none; }
.zs-chapters.is-stuck .zs-chapters__mark { width: 30px; opacity: 1; margin-left: var(--gutter); }
/* links scrolling under the mark fade out instead of colliding with it */
.zs-chapters.is-stuck .zs-chapters__track { -webkit-mask: linear-gradient(90deg, transparent 0, #000 var(--gutter)); mask: linear-gradient(90deg, transparent 0, #000 var(--gutter)); }
.zs-chapters__track {
  flex: 1 1 auto; min-width: 0;
  display: flex; gap: clamp(18px, 3vw, 40px); justify-content: center;
  padding: 14px var(--gutter); overflow-x: auto; scrollbar-width: none;
}
.zs-chapters__track::-webkit-scrollbar { display: none; }
.zs-chapters a {
  flex: 0 0 auto; position: relative; padding: 4px 0;
  font-size: 11.5px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-deep);
  transition: color .3s;
}
.zs-chapters a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1.5px; background: var(--gold);
  transform: scaleX(0); transform-origin: left; transition: transform .45s var(--ease-out);
}
.zs-chapters a:hover::after, .zs-chapters a.is-current::after { transform: scaleX(1); }
.zs-chapters a.is-current { color: var(--ink); }

/* ---------- Numbers ---------- */
.zs-stats { position: relative; overflow: hidden; background: var(--teal-deep); color: var(--cream-2); padding-block: clamp(44px, 6vw, 72px); }
/* oversized ZEISS wordmark watermark, bleeding off the bottom-right corner */
.zs-stats::before {
  content: ""; position: absolute; right: -3%; bottom: -14%; width: clamp(420px, 52vw, 760px); aspect-ratio: 521 / 124;
  pointer-events: none; background: var(--cream-2); opacity: .05;
  -webkit-mask: url(/images/zeiss/zeiss-wordmark.svg) center / contain no-repeat;
          mask: url(/images/zeiss/zeiss-wordmark.svg) center / contain no-repeat;
}
.zs-stats__row { position: relative; }
.zs-stats__row { display: grid; grid-template-columns: repeat(4, 1fr); }
.zs-stat { padding: 6px clamp(14px, 2.4vw, 32px); border-left: 1px solid rgba(247,243,236,.22); }
.zs-stat:first-child { border-left: 0; padding-left: 0; }
.zs-stat__num { font-family: var(--font-title); font-weight: 300; font-size: clamp(44px, 5.4vw, 72px); line-height: 1; color: var(--gold-soft); font-variant-numeric: tabular-nums; }
.zs-stat__label { margin-top: 12px; font-size: 13.5px; line-height: 1.5; max-width: 26ch; opacity: .92; }
.zs-stat .zs-ref, .zs-dark .zs-ref { color: var(--gold-soft); }

/* ---------- Shared controls ---------- */
.seg { display: inline-flex; flex-wrap: nowrap; border: 1px solid var(--ink); }
.seg--wrap { flex-wrap: wrap; }
.seg__btn {
  padding: 11px 16px; font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; line-height: 1;
  border-left: 1px solid var(--ink); transition: background .3s, color .3s;
}
.seg__btn:first-child { border-left: 0; }
.seg--wrap { border: 0; gap: 6px; }
.seg--wrap .seg__btn { border: 1px solid var(--ink); }
.seg__btn:hover { color: var(--teal); }
.seg__btn.is-active { background: var(--teal); color: var(--white); }
.zonemap__label { font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--teal); margin-bottom: 12px; }
.zonemap__label small { font-size: 10.5px; letter-spacing: .08em; text-transform: none; font-weight: 500; color: var(--ink-soft); }

/* chips: the same pill buttons as the Near Vision check (near-vision.css is not loaded here) */
.chip {
  padding: 10px 18px; border: 1px solid var(--ink); background: transparent;
  font-size: 12.5px; font-weight: 500; letter-spacing: .04em; line-height: 1.2; text-align: left;
  transition: background .3s, color .3s, border-color .3s, transform .2s;
}
.chip:hover { border-color: var(--teal); color: var(--teal); }
.chip.is-selected { background: var(--teal); border-color: var(--teal); color: var(--white); }
.chip:active { transform: scale(.97); }

/* ---------- Lens finder ---------- */
.finder { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.finder__q { border: 0; padding: 0 0 26px; margin-bottom: 26px; border-bottom: 1px solid var(--gold-soft); }
.finder__q:last-child { margin-bottom: 0; }
.finder__q legend { font-family: var(--font-title); font-weight: 300; font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; margin-bottom: 16px; padding: 0; }
.finder__n { font-family: var(--font-body); font-size: 12px; font-weight: 600; letter-spacing: .18em; color: var(--gold); margin-right: 10px; vertical-align: middle; }
.finder__opts { display: flex; flex-wrap: wrap; gap: 10px; }
.finder__q.is-answered legend { color: var(--teal-deep); }

.finder__result { position: sticky; top: 140px; }
.finder__empty {
  display: grid; justify-items: center; gap: 22px; text-align: center; padding: clamp(36px, 5vw, 64px) 28px;
  border: 1px dashed var(--gold-soft); color: var(--ink-soft); font-size: 14.5px;
}
.finder__lens { position: relative; width: 120px; height: 120px; }
.finder__lens span { position: absolute; inset: 0; border-radius: 50%; border: 1.5px solid var(--teal); opacity: .35; }
.finder__lens span:nth-child(2) { inset: 18px; border-color: var(--gold); opacity: .6; }
.finder__lens span:nth-child(3) { inset: 38px; background: var(--teal); opacity: .12; }
.finder__lens.is-1 span:nth-child(1) { opacity: 1; }
.finder__lens.is-2 span:nth-child(2) { opacity: 1; }
.finder__lens.is-3 span:nth-child(3) { opacity: .35; }
@media (prefers-reduced-motion: no-preference) { .finder__lens span { animation: breathe 4s ease-in-out infinite; } .finder__lens span:nth-child(2) { animation-delay: -1.3s; } .finder__lens span:nth-child(3) { animation-delay: -2.6s; } }
@keyframes breathe { 50% { transform: scale(1.05); } }

.rec { position: relative; background: var(--white); padding: clamp(26px, 3.4vw, 40px); border-top: 3px solid var(--teal); box-shadow: 0 24px 60px -30px rgba(31,31,31,.35); animation: recIn .7s var(--ease-out) both; }
@keyframes recIn { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.rec__seal { position: absolute; top: -3px; right: clamp(20px, 3vw, 32px); width: 46px; height: 46px; filter: drop-shadow(0 6px 10px rgba(20,30,140,.18)); }
.rec__tier { padding-right: 60px; font-size: 11px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--gold-deep); }
.rec__name { font-family: var(--font-title); font-weight: 300; font-size: clamp(30px, 3.2vw, 42px); line-height: 1.05; margin: 8px 0 14px; color: var(--ink); }
.rec__why { font-size: 15px; line-height: 1.6; color: var(--ink-soft); }
.rec__points { margin: 16px 0 0; display: grid; gap: 8px; }
.rec__points li { position: relative; padding-left: 22px; font-size: 14px; line-height: 1.5; }
.rec__points li::before { content: ""; position: absolute; left: 0; top: .5em; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid var(--teal); }
.rec__pair { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--gold-soft); }
.rec__pair-label { font-size: 11px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--teal); margin-bottom: 10px; }
.rec__pair-list { display: flex; flex-wrap: wrap; gap: 8px; }
.rec__pair-list li { padding: 7px 12px; background: var(--cream-2); font-size: 12.5px; font-weight: 500; }
.rec__actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 24px; }
.rec__note { margin-top: 18px; font-size: 12px; line-height: 1.5; color: var(--ink-soft); }

/* ---------- The range ---------- */
.range-filter { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.range-filter__hint { text-align: center; max-width: 620px; margin: 16px auto 0; min-height: 3.2em; font-size: 13.5px; line-height: 1.6; color: var(--ink-soft); transition: opacity .3s; }
.range-filter__hint:empty { opacity: 0; }
.tiers { margin-top: clamp(28px, 4vw, 44px); border-top: 1px solid var(--ink); }
.tier { --tc: var(--teal); display: grid; grid-template-columns: 220px 1fr; gap: clamp(20px, 3vw, 40px); padding: clamp(22px, 3vw, 32px) 0; border-bottom: 1px solid var(--line); }
.tier--excellence { --tc: var(--teal-deep); }
.tier--experience { --tc: var(--teal); }
.tier--clarity { --tc: var(--gold-deep); }
.tier--specialised { --tc: var(--ink-soft); }
.tier__label { display: grid; align-content: start; gap: 4px; padding-left: 16px; border-left: 3px solid var(--tc); }
.tier__name { font-family: var(--font-title); font-weight: 300; font-size: 28px; line-height: 1.1; color: var(--tc); }
.tier__sub { font-size: 11px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-soft); }
.tier__cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.fam {
  position: relative; display: grid; align-content: start; gap: 10px; padding: 24px 22px 22px;
  background: var(--white); border: 1px solid rgba(31,31,31,.06);
  transition: opacity .45s var(--ease-out), transform .45s var(--ease-out), filter .45s, box-shadow .45s;
}
.fam:hover { box-shadow: 0 18px 40px -20px rgba(31,31,31,.25); transform: translateY(-3px); }
.fam.is-dim { opacity: .28; filter: grayscale(1); transform: scale(.98); }
.fam.is-match { box-shadow: inset 0 3px 0 var(--tc); }
.fam__new { position: absolute; top: 16px; right: 16px; padding: 4px 9px; background: var(--gold); color: var(--white); font-size: 10px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; line-height: 1.2; }
.fam__name { font-family: var(--font-title); font-weight: 300; font-size: 27px; line-height: 1.1; color: var(--ink); }
.fam__text { font-size: 14px; line-height: 1.6; color: var(--ink-soft); }
.fam__types { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.fam__types span { padding: 4px 9px; border: 1px solid var(--gold-soft); font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--teal-deep); }
.fam__more { justify-self: start; margin-top: 4px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); border-bottom: 1px solid currentColor; }

/* ---------- ClearMind ---------- */
.zs-prose { margin-top: 26px; }
.zs-prose > p:first-child { font-size: 16px; line-height: 1.8; color: var(--ink-soft); }
.zonemap {
  margin-top: clamp(56px, 8vw, 100px); display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px); align-items: center; padding: clamp(24px, 4vw, 56px); background: var(--white);
}
.zonemap__svg { width: 100%; height: auto; overflow: visible; }
.zonemap__rim { fill: none; stroke: var(--ink); stroke-width: 9; }
.zonemap__edge { stroke: var(--teal); stroke-width: 1.5; stroke-dasharray: 4 5; opacity: .8; }
.zonemap__arrows line { stroke: var(--teal-deep); stroke-width: 3; }
.zonemap__head { fill: var(--teal-deep); }
.zonemap__arrows g { transition: opacity .3s; }
.zonemap.has-focus .zonemap__arrows g { opacity: .25; }
.zonemap.has-focus .zonemap__arrows g.is-focus { opacity: 1; }
.zonemap.has-focus .zonemap__arrows g.is-focus line { stroke: var(--gold-deep); stroke-width: 4; }
.zonemap.has-focus .zonemap__arrows g.is-focus .zonemap__head { fill: var(--gold-deep); }
.zonemap__schematic { margin-top: 14px; font-size: 11.5px; font-style: italic; color: var(--ink-soft); text-align: center; }
.zonemap__panel { display: grid; gap: 22px; }
.zonemap__zones { display: grid; border-top: 1px solid var(--line); }
.zonemap__zones button {
  width: 100%; display: grid; grid-template-columns: 1fr auto; grid-template-areas: "n d" "s d"; text-align: left; gap: 2px 16px;
  padding: 14px 4px; border-bottom: 1px solid var(--line); transition: background .3s, padding .3s var(--ease-out);
}
.zonemap__zones button:hover, .zonemap__zones button.is-focus { background: var(--cream-2); padding-left: 12px; }
.zonemap__zname { grid-area: n; font-family: var(--font-title); font-size: 22px; line-height: 1.1; }
.zonemap__zshare { grid-area: s; font-size: 12.5px; color: var(--ink-soft); }
.zonemap__zdelta { grid-area: d; align-self: center; font-family: var(--font-title); font-size: 26px; color: var(--teal); font-variant-numeric: tabular-nums; }
.zonemap__share-note { font-size: 12px; line-height: 1.5; color: var(--ink-soft); margin-top: -10px; }
.load__bars { display: grid; gap: 8px; }
.load__bar { display: grid; grid-template-columns: 1fr 86px; align-items: center; gap: 12px; }
.load__bar span { display: block; height: 12px; background: var(--cream); position: relative; overflow: hidden; }
.load__bar span::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--v); background: var(--gold-soft); transform-origin: left; transition: background .4s; }
.js .load__bar span::after { transform: scaleX(0); transition: transform 1.2s var(--ease-out), background .4s; }
.js .load.is-in .load__bar span::after { transform: scaleX(1); }
.load__bar b { font-size: 11.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.load__bar.is-active span::after { background: var(--teal); }
.load__bar.is-active b { color: var(--teal-deep); }
.zonemap__caption { font-size: 14px; line-height: 1.6; min-height: 4.8em; }

.cm-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: clamp(40px, 6vw, 64px); }
.cm-card { display: grid; align-content: start; gap: 12px; padding: 28px 26px; background: var(--white); border-top: 2px solid var(--teal); }
.cm-card__age { font-family: var(--font-title); font-weight: 300; font-size: 48px; line-height: 1; color: var(--gold-deep); }
.cm-card__name { font-family: var(--font-title); font-weight: 300; font-size: 24px; line-height: 1.15; }
.cm-card__text { font-size: 14px; line-height: 1.6; color: var(--ink-soft); }
.cm-card__stat { margin-top: 6px; padding-top: 14px; border-top: 1px solid var(--gold-soft); font-size: 13.5px; line-height: 1.5; }
.cm-card__stat strong { display: block; font-family: var(--font-title); font-weight: 300; font-size: 28px; color: var(--teal-deep); line-height: 1.1; }
.cm-pro { max-width: 760px; margin: 28px auto 0; text-align: center; font-size: 14.5px; line-height: 1.7; color: var(--ink-soft); }
.cm-pro strong { color: var(--ink); }

/* ---------- Dark sections (DriveSafe) ---------- */
.zs-dark { background: #0d1418; color: var(--cream-2); }
.zs-dark .eyebrow { color: var(--gold-soft); }
.zs-dark .script { color: var(--gold-soft); }
.zs-dark .zonemap__label { color: var(--gold-soft); }
.zs-drive__head, .zs-sun__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 80px); align-items: end; margin-bottom: clamp(32px, 5vw, 56px); }
.zs-drive__intro, .zs-sun__intro { font-size: 16px; line-height: 1.7; max-width: 48ch; }
.zs-drive__intro { opacity: .9; }
.zs-sun__intro { color: var(--ink-soft); }

.compare {
  --pos: 50%; position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #05080d;
  box-shadow: 0 40px 80px -40px rgba(0,0,0,.8); touch-action: pan-y; user-select: none;
}
.compare__layer { position: absolute; inset: 0; }
.compare__layer img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.compare__layer--before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
/* glare: a blurred, high-contrast copy keeps only the light sources and screens them back over the scene */
.compare__bloom { mix-blend-mode: screen; filter: blur(7px) brightness(1.05) contrast(2.6) saturate(.7); }
.compare__halo { mix-blend-mode: screen; filter: blur(34px) brightness(1.15) contrast(2.2) saturate(.5); opacity: .95; }
.compare__layer--before .compare__img { filter: contrast(.92) brightness(1.04); }
.compare__layer--after .compare__bloom { opacity: .36; }   /* 64% less perceived glare */
.compare__layer--after .compare__img { filter: contrast(1.06); }
.compare__tag {
  position: absolute; top: 16px; z-index: 3; padding: 7px 12px; pointer-events: none;
  background: rgba(13,20,24,.72); color: var(--cream-2); font-size: 10.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
}
.compare__tag--before { left: 16px; }
.compare__tag--after { right: 16px; background: var(--teal-deep); }
.compare__handle { position: absolute; top: 0; bottom: 0; left: var(--pos); z-index: 3; width: 2px; margin-left: -1px; background: var(--cream-2); pointer-events: none; }
.compare__handle span {
  position: absolute; top: 50%; left: 50%; width: 52px; height: 52px; transform: translate(-50%, -50%);
  border-radius: 50%; background: var(--cream-2); box-shadow: 0 8px 24px rgba(0,0,0,.45);
}
.compare__handle span::before, .compare__handle span::after {
  content: ""; position: absolute; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--teal-deep); border-left: 2px solid var(--teal-deep);
}
.compare__handle span::before { left: 13px; transform: translateY(-50%) rotate(-45deg); }
.compare__handle span::after { right: 13px; transform: translateY(-50%) rotate(135deg); }
.compare__range { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: ew-resize; -webkit-appearance: none; appearance: none; }
.compare:has(.compare__range:focus-visible) { outline: 2px solid var(--gold-soft); outline-offset: 4px; }
.compare__note { margin-top: 14px; font-size: 12px; line-height: 1.55; opacity: .75; max-width: 760px; }
.compare__note--ink { color: var(--ink-soft); opacity: 1; margin-top: 18px; }
.compare__note--ink a:not(.zs-ref) { color: var(--teal); border-bottom: 1px solid currentColor; }

.drive-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); margin-top: clamp(40px, 6vw, 64px); }
.drive-fact { padding-top: 20px; border-top: 1px solid rgba(247,243,236,.22); }
.drive-fact__num { font-family: var(--font-title); font-weight: 300; font-size: clamp(48px, 5vw, 68px); line-height: 1; color: var(--gold-soft); font-variant-numeric: tabular-nums; }
.drive-fact__text { margin-top: 12px; font-size: 14px; line-height: 1.6; opacity: .9; }
.drive-fact__text strong { color: var(--white); font-weight: 600; }

.drive-gaze { margin-top: clamp(36px, 5vw, 56px); }
.gaze { display: flex; height: 40px; gap: 3px; }
.gaze__seg { position: relative; flex: 0 1 var(--w); min-width: 6px; background: var(--teal); }
.js .gaze__seg { transform: scaleX(0); transform-origin: left; transition: transform 1.4s var(--ease-out); }
.js .drive-gaze.is-in .gaze__seg { transform: none; }
.gaze__seg b { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--white); }
.gaze__seg--dash { background: var(--gold-soft); }
.gaze__seg--mirror { background: var(--sand); }
.gaze__legend { margin-top: 10px; font-size: 12.5px; opacity: .85; text-align: right; }
.gaze__key { display: inline-block; width: 10px; height: 10px; margin: 0 6px 0 14px; vertical-align: -1px; }
.gaze__key--dash { background: var(--gold-soft); }
.gaze__key--mirror { background: var(--sand); }

.drive-check { margin-top: clamp(40px, 6vw, 64px); padding: clamp(22px, 3vw, 36px); border: 1px solid rgba(247,243,236,.2); }
.drive-check__title { font-family: var(--font-title); font-weight: 300; font-size: clamp(24px, 2.4vw, 30px); margin-bottom: 10px; }
.drive-check__list li { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 0; border-bottom: 1px solid rgba(247,243,236,.14); font-size: 15px; line-height: 1.45; }
.yn { display: inline-flex; flex: 0 0 auto; border: 1px solid rgba(247,243,236,.5); }
.yn button { padding: 9px 16px; font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; transition: background .3s, color .3s; }
.yn button + button { border-left: 1px solid rgba(247,243,236,.5); }
.yn button[aria-pressed="true"] { background: var(--cream-2); color: var(--ink); }
.drive-check__out { margin-top: 16px; min-height: 1.6em; font-size: 15px; line-height: 1.6; color: var(--gold-soft); }
.drive-check__out a { color: var(--cream-2); border-bottom: 1px solid currentColor; }

/* ---------- Sun studio ---------- */
.studio { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr); gap: clamp(20px, 3vw, 40px); align-items: start; }
.studio__stage { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: #8db4d9; box-shadow: 0 30px 60px -30px rgba(31,31,31,.45); }
.studio__svg { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; }
.studio__glasses { cursor: grab; outline: none; }
.studio__glasses:active { cursor: grabbing; }
.studio__glasses:focus-visible .studio__frame { stroke: var(--teal); }
.studio__tint { mix-blend-mode: multiply; }
/* tiny ZEISS etch on the left lens, like the laser mark on a real one */
.studio__etch { fill: #fff; opacity: .5; pointer-events: none; }
.studio__frame use, .studio__frame path { fill: none; stroke: #2a1d15; stroke-width: 20; stroke-linejoin: round; stroke-linecap: round; }
.studio__hint {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%); pointer-events: none;
  padding: 7px 14px; background: rgba(31,31,31,.6); color: var(--cream-2); font-size: 10.5px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  transition: opacity .6s;
}
.studio.is-dragged .studio__hint { opacity: 0; }
.studio__badge { position: absolute; top: 14px; right: 14px; padding: 7px 12px; background: rgba(247,243,236,.92); font-size: 10.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--teal-deep); pointer-events: none; }
.studio__badge:empty { display: none; }
.studio__badge.is-warn { background: #8c2f1f; color: var(--white); }
.studio__panel { display: grid; gap: 22px; }
.studio__group .zonemap__label { display: flex; justify-content: space-between; gap: 10px; }
.studio__val { color: var(--ink); letter-spacing: .06em; text-transform: none; font-weight: 500; }
.studio__mode-text { margin-top: 12px; font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); min-height: 3.1em; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; }
.swatch {
  width: 36px; height: 36px; border-radius: 50%; border: 2px solid rgba(255,255,255,.7);
  box-shadow: 0 0 0 1px rgba(31,31,31,.18), inset 0 6px 10px rgba(255,255,255,.25); transition: transform .25s var(--ease-out);
}
.swatch:hover { transform: scale(1.08); }
.swatch[aria-checked="true"] { box-shadow: 0 0 0 2px var(--teal), inset 0 6px 10px rgba(255,255,255,.25); transform: scale(1.1); }
.studio input[type="range"] { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; background: var(--gold-soft); outline: none; margin: 14px 0 8px; }
.studio input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; border-radius: 50%; background: var(--teal); border: 3px solid var(--cream); box-shadow: 0 0 0 1.5px var(--teal); cursor: pointer; }
.studio input[type="range"]::-moz-range-thumb { width: 20px; height: 20px; border-radius: 50%; background: var(--teal); border: 3px solid var(--cream); box-shadow: 0 0 0 1.5px var(--teal); cursor: pointer; }
.studio input[type="range"]:focus-visible { outline: 2px solid var(--teal); outline-offset: 8px; }
.studio__ticks { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-soft); }
.studio__out { display: grid; grid-template-columns: 150px 1fr; gap: 18px; align-items: center; padding-top: 18px; border-top: 1px solid var(--gold-soft); }
.studio__outside { text-align: center; }
.studio__outside svg { width: 100%; height: auto; }
.studio__outside p { font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-top: 6px; }
.studio__specs { display: grid; gap: 8px; }
.studio__specs div { display: grid; grid-template-columns: 112px 1fr; gap: 10px; font-size: 13.5px; line-height: 1.4; }
.studio__specs dt { font-size: 10.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); padding-top: 2px; }

/* ---------- Coatings ---------- */
.zs-coat__intro { margin-top: 24px; font-size: 16px; line-height: 1.8; color: var(--ink-soft); }
.coat-media img { aspect-ratio: 1 / 1 !important; }
.coat { margin-top: clamp(48px, 7vw, 88px); padding: clamp(24px, 4vw, 48px); background: var(--white); }
.coat__tabs { margin-bottom: clamp(24px, 3vw, 36px); }
.coat__body { display: grid; grid-template-columns: 180px minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: center; }
.coat__lens { text-align: center; }
.coat__lens svg { width: 100%; max-width: 180px; margin-inline: auto; }
.coat__lens p { margin-top: 10px; font-size: 12px; letter-spacing: .08em; color: var(--ink-soft); }
.coat__drop svg { width: 100%; max-width: 320px; overflow: visible; }
.coat__surface { stroke: var(--ink); stroke-width: 2; }
.coat__droplet { fill: rgba(14,107,107,.16); stroke: var(--teal); stroke-width: 2; }
.coat__anglearc { fill: none; stroke: var(--gold-deep); stroke-width: 1.5; }
.coat__drop p { margin-top: 12px; font-size: 13.5px; line-height: 1.55; color: var(--ink-soft); }
.coat__drop strong { font-family: var(--font-title); font-weight: 300; font-size: 30px; color: var(--teal-deep); margin-right: 4px; }
.coat__meters { display: grid; gap: 18px; }
.meter__label { display: flex; justify-content: space-between; font-size: 11.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; }
.meter__label span { color: var(--ink); letter-spacing: .04em; text-transform: none; font-weight: 500; }
.meter__track { display: block; height: 8px; background: var(--cream); }
.meter__fill { display: block; height: 100%; width: 0; background: var(--teal); transition: width .9s var(--ease-out); }
.coat__note { font-size: 14px; line-height: 1.55; min-height: 3.1em; }
.coat__all { display: flex; flex-wrap: wrap; gap: 6px; }
.coat__all li { padding: 5px 10px; border: 1px solid var(--gold-soft); font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--teal-deep); }

/* ---------- Office & MyoCare ---------- */
.zs-spec__text { font-size: 15.5px; line-height: 1.75; color: var(--ink-soft); margin-bottom: 18px; }
.zs-spec .seg { margin-top: 6px; }
.ruler { margin-top: 34px; }
.ruler__track { position: relative; height: 14px; background: var(--cream-2); border: 1px solid var(--gold-soft); }
.ruler__band { position: absolute; top: -1px; bottom: -1px; left: 10%; width: 40%; background: linear-gradient(90deg, var(--teal) 70%, rgba(14,107,107,.25)); transition: width .8s var(--ease-out); }
.ruler__marks { position: relative; height: 44px; margin-top: 8px; list-style: none; }
.ruler__marks li { position: absolute; left: var(--x); transform: translateX(-50%); font-size: 10.5px; line-height: 1.25; text-align: center; color: var(--ink-soft); padding-top: 8px; white-space: nowrap; }
.ruler__marks li::before { content: ""; position: absolute; top: 0; left: 50%; width: 1px; height: 6px; background: var(--ink-soft); }
.ruler__marks li:first-child { transform: translateX(-86%); text-align: right; }
.ruler__marks li:first-child::before { left: 86%; }
.ruler__marks li:nth-child(2) { transform: translateX(-12%); text-align: left; }
.ruler__marks li:nth-child(2)::before { left: 12%; }
.ruler__marks li:last-child { transform: translateX(-100%); text-align: right; }
.ruler__marks li:last-child::before { left: auto; right: 0; }
.ruler__text { margin-top: 14px; font-size: 14px; line-height: 1.55; min-height: 3.1em; }
.zs-spec .text-link { display: inline-flex; }

/* ---------- Sources ---------- */
.zs-sources { padding-block: clamp(40px, 5vw, 64px); border-top: 1px solid var(--gold-soft); }
.zs-sources ol { list-style: decimal; padding-left: 20px; columns: 2; column-gap: 40px; }
.zs-sources li { break-inside: avoid; margin-bottom: 8px; font-size: 12px; line-height: 1.55; color: var(--ink-soft); }
.zs-sources li::marker { color: var(--gold-deep); font-weight: 600; }
.zs-sources li:target, .zs-sources:target { background: transparent; }
.zs-sources__foot { display: flex; align-items: center; gap: 18px; margin-top: 22px; max-width: 980px; }
.zs-sources__foot img { flex: 0 0 auto; width: 52px; height: 52px; }
.zs-sources__tm { font-size: 11.5px; line-height: 1.55; color: var(--ink-soft); max-width: 900px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .studio { grid-template-columns: 1fr; }
  .studio__panel { grid-template-columns: 1fr 1fr; column-gap: 32px; }
  .studio__out { grid-column: 1 / -1; }
  .coat__body { grid-template-columns: 150px 1fr; }
  .coat__meters { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .zs-chapters { top: 64px; }
  .zs-stats::before { right: -20%; bottom: -4%; }
  .zs-chapters__track { justify-content: flex-start; }
  .zs-stats__row { grid-template-columns: 1fr 1fr; row-gap: 32px; }
  .zs-stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .finder { grid-template-columns: 1fr; }
  .finder__result { position: static; }
  .tier { grid-template-columns: 1fr; }
  .zonemap { grid-template-columns: 1fr; }
  .cm-cards { grid-template-columns: 1fr; }
  .zs-drive__head, .zs-sun__head { grid-template-columns: 1fr; align-items: start; }
  .drive-facts { grid-template-columns: 1fr; }
  .zs-sources ol { columns: 1; }
  .zs-hero__tag { left: 0; }
}
@media (max-width: 700px) {
  .studio__panel { grid-template-columns: 1fr; }
  .studio__stage { aspect-ratio: 4 / 3; }
  .compare { aspect-ratio: 4 / 3; }
  .compare__tag { font-size: 9.5px; letter-spacing: .12em; top: 10px; }
  .compare__tag--before { left: 10px; } .compare__tag--after { right: 10px; }
  .drive-check__list li { flex-direction: column; align-items: flex-start; gap: 10px; }
  .coat__body { grid-template-columns: 1fr; }
  .coat__lens svg { max-width: 140px; }
}
@media (max-width: 560px) {
  .zs-stats__row { grid-template-columns: 1fr; }
  .zs-stat { border-left: 0; padding-left: 0; }
  .seg:not(.seg--wrap) { display: flex; width: 100%; }
  .seg:not(.seg--wrap) .seg__btn { flex: 1 1 0; padding-inline: 8px; letter-spacing: .04em; }
  .studio__out { grid-template-columns: 110px 1fr; }
  .studio__specs div { grid-template-columns: 1fr; gap: 2px; }
  .ruler__marks li:nth-child(2) { display: none; }
  .rec__actions .btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .js .zs [data-reveal] { opacity: 1; transform: none; }
  .js .load__bar span::after, .js .gaze__seg { transform: none; }
}