/* =========================================================
   OPTOLITE — Lens Collection website
   Brand tokens taken from the Optolite logo:
   navy wordmark, sky-blue arc, azure shadow arc, ice-white paper
   ========================================================= */
:root{
  --navy-950:#050E19;
  --navy-900:#081626;
  --navy-800:#0B1B2E;
  --navy-700:#12304F;
  --navy-600:#1B4470;
  --azure-600:#0A6FB5;
  --azure-500:#1A8FD6;
  --sky-400:#29B6F0;
  --sky-300:#6FD0F6;
  --sky-100:#D7F1FC;
  --ice-50:#F5F9FC;
  --ice-100:#EAF2F8;
  --ice-200:#DCE8F2;
  --white:#FFFFFF;
  --ink:#0B1B2E;
  --ink-2:#2B3D52;
  --muted:#5A6B7E;
  --line:rgba(11,27,46,.10);
  --line-strong:rgba(11,27,46,.18);
  --iris-1:#B8A9FF;
  --iris-2:#FFD3A6;
  --iris-3:#9FE7FF;
  --ok:#29B6F0;
  --radius:22px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(11,27,46,.06),0 8px 24px rgba(11,27,46,.06);
  --shadow-2:0 2px 6px rgba(11,27,46,.06),0 24px 60px rgba(11,27,46,.12);
  --glass:linear-gradient(145deg,rgba(255,255,255,.85),rgba(232,244,252,.55));
  --ease:cubic-bezier(.22,1,.36,1);
  --font-head:"Sora",ui-sans-serif,system-ui,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1240px;
  --gutter:clamp(16px,4vw,40px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:auto}
body{margin:0;background:var(--ice-50);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg,video,canvas{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0;padding:0}
:focus-visible{outline:2px solid var(--sky-400);outline-offset:3px;border-radius:6px}
::selection{background:var(--sky-300);color:var(--navy-900)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:16px;top:-60px;z-index:200;background:var(--navy-800);color:#fff;padding:10px 16px;border-radius:10px;transition:top .2s}
.skip:focus{top:16px}

/* ---------- Typography ---------- */
h1,h2,h3,h4{font-family:var(--font-head);font-weight:300;letter-spacing:-.025em;line-height:1.08;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.6rem,6.4vw,5.6rem)}
h2{font-size:clamp(2rem,4.4vw,3.6rem)}
h3{font-size:clamp(1.35rem,2vw,1.7rem);font-weight:400;letter-spacing:-.015em;line-height:1.2}
h4{font-size:1.08rem;font-weight:500;letter-spacing:-.005em;line-height:1.3}
p{margin:0 0 1em}
strong{font-weight:600}
.lead{font-size:clamp(1.08rem,1.5vw,1.3rem);color:var(--ink-2);line-height:1.6;max-width:62ch}
.muted{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-body);font-size:.74rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--azure-600);margin-bottom:18px}
.eyebrow::before{content:"";width:28px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--sky-400),var(--azure-600))}
.dark .eyebrow{color:var(--sky-300)}
.grad-text{--grad:linear-gradient(100deg,var(--azure-600) 0%,var(--sky-400) 45%,var(--iris-1) 75%,var(--azure-600) 100%)}
.dark .grad-text{--grad:linear-gradient(100deg,#fff 0%,var(--sky-300) 40%,var(--iris-1) 70%,#fff 100%)}
.grad-text,.grad-text .wi{background-image:var(--grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:sheen 8s linear infinite}
@keyframes sheen{to{background-position:-200% 0}}
.note{position:relative;padding-left:28px;font-size:.8rem;line-height:1.55;color:var(--muted);max-width:90ch;display:block}
.note::before{position:absolute;left:0;top:1px;content:"i";display:grid;place-items:center;width:18px;height:18px;border-radius:50%;border:1px solid currentColor;font:600 11px/1 var(--font-head);font-style:italic}
.dark .note{color:rgba(220,234,246,.66)}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.section{position:relative;padding:clamp(80px,11vw,150px) 0}
.section--tight{padding:clamp(56px,7vw,96px) 0}
.section--white{background:var(--white)}
.section--ice{background:var(--ice-100)}
.dark{background:radial-gradient(120% 90% at 85% 0%,#174a85 0%,var(--navy-800) 45%,var(--navy-950) 100%);color:#DCEAF6}
.dark h1,.dark h2,.dark h3,.dark h4{color:#fff}
.dark .lead{color:rgba(220,234,246,.82)}
.dark .muted{color:rgba(220,234,246,.66)}
.sec-head{max-width:820px;margin-bottom:clamp(40px,6vw,72px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}
.sec-head.center .eyebrow{justify-content:center}
.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.split.rev>:first-child{order:2}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.split.rev>:first-child{order:0}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}body{font-size:16px}}

/* ---------- Buttons ---------- */
.btn{position:relative;display:inline-flex;align-items:center;gap:12px;padding:15px 26px;border-radius:999px;font-weight:600;font-size:.95rem;letter-spacing:.01em;background:var(--navy-800);color:#fff;overflow:hidden;isolation:isolate;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,var(--azure-600),var(--sky-400));transform:translateX(-101%);transition:transform .6s var(--ease)}
.btn:hover::before{transform:none}
.btn:hover{box-shadow:0 14px 34px rgba(26,143,214,.35);transform:translateY(-2px)}
.arr{width:18px;height:18px;flex:none;transition:transform .5s var(--ease)}
.link:hover .arr{transform:translateX(4px)}
.btn:hover .arr{transform:translateX(4px)}
.btn--ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-strong)}
.btn--ghost:hover{color:#fff}
.dark .btn--ghost{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.btn--light{background:#fff;color:var(--navy-800)}
.btn--light:hover{color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--azure-600);background:linear-gradient(currentColor,currentColor) 0 100%/0 1.5px no-repeat;transition:background-size .5s var(--ease)}
.link:hover{background-size:100% 1.5px}
.dark .link{color:var(--sky-300)}

/* ---------- Header ---------- */
.hdr{position:fixed;inset:0 0 auto;z-index:90;transition:transform .5s var(--ease)}
.hdr.is-hidden{transform:translateY(-110%)}
.hdr__bar{margin:12px auto 0;width:calc(100% - 24px);max-width:1320px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:10px 12px 10px 22px;border-radius:999px;background:rgba(255,255,255,.72);backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);box-shadow:0 0 0 1px rgba(11,27,46,.06),0 10px 30px rgba(11,27,46,.08);transition:padding .4s var(--ease),background .4s}
.hdr.is-scrolled .hdr__bar{background:rgba(255,255,255,.9)}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:48px;width:auto}
.nav{display:flex;align-items:center;gap:4px}
.nav>li{list-style:none;position:relative}
.nav ul{margin:0;padding:0}
.nav__link{display:inline-flex;align-items:center;gap:6px;padding:10px 14px;border-radius:999px;font-size:.92rem;font-weight:500;color:var(--ink-2);transition:background .3s,color .3s}
.nav__link:hover,.nav__link[aria-current=page],.nav>li:focus-within>.nav__link{background:var(--ice-100);color:var(--ink)}
.nav__link svg{width:10px;height:10px;transition:transform .3s}
.nav>li:hover .nav__link svg,.nav>li:focus-within .nav__link svg{transform:rotate(180deg)}
.mega{position:absolute;top:calc(100% + 14px);left:50%;width:min(560px,90vw);padding:14px;border-radius:24px;background:rgba(255,255,255,.96);backdrop-filter:blur(20px);box-shadow:var(--shadow-2),0 0 0 1px var(--line);display:grid;grid-template-columns:1fr 1fr;gap:6px;opacity:0;visibility:hidden;transform:translate(-50%,10px);transition:opacity .35s var(--ease),transform .45s var(--ease),visibility .35s}
.mega::before{content:"";position:absolute;inset:-16px 0 auto;height:16px}
.nav>li:hover .mega,.nav>li:focus-within .mega{opacity:1;visibility:visible;transform:translate(-50%,0)}
.mega a{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:16px;transition:background .3s}
.mega a:hover{background:var(--ice-100)}
.mega .ic{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,var(--sky-100),#fff);box-shadow:inset 0 0 0 1px rgba(41,182,240,.25)}
.mega .ic svg{width:22px;height:22px;color:var(--azure-600)}
.mega b{display:block;font-weight:600;font-size:.94rem;color:var(--ink)}
.mega small{display:block;font-size:.8rem;line-height:1.45;color:var(--muted)}
.hdr__cta{display:flex;align-items:center;gap:8px}
.hdr__cta .btn{padding:12px 20px;font-size:.88rem}
.burger{display:none;width:46px;height:46px;border-radius:50%;background:var(--navy-800);position:relative}
.burger span{position:absolute;left:14px;right:14px;height:2px;background:#fff;border-radius:2px;transition:transform .45s var(--ease),opacity .3s}
.burger span:nth-child(1){top:17px}.burger span:nth-child(2){top:22px}.burger span:nth-child(3){top:27px}
.menu-open .burger span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
@media (max-width:1080px){.nav,.hdr__cta .btn--ghost{display:none}.burger{display:block}}
@media (max-width:520px){.hdr__cta .btn{display:none}.brand img{height:36px}}

/* ---------- Progress / cursor / curtain ---------- */
.progress{position:fixed;left:0;top:0;height:3px;width:100%;z-index:120;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--azure-600),var(--sky-400),var(--iris-1))}
.cursor{position:fixed;left:0;top:0;z-index:150;pointer-events:none;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;border:1.5px solid rgba(26,143,214,.6);background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.35),rgba(41,182,240,.06) 60%,transparent 70%);backdrop-filter:blur(0px) contrast(1.15) saturate(1.3);transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),border-color .3s,opacity .3s;opacity:0}
.cursor.is-on{opacity:1}
.cursor.is-hover{width:72px;height:72px;margin:-36px 0 0 -36px;border-color:rgba(41,182,240,.9)}
.cursor-dot{position:fixed;left:0;top:0;z-index:151;pointer-events:none;width:6px;height:6px;margin:-3px 0 0 -3px;border-radius:50%;background:var(--azure-600);opacity:0}
.cursor-dot.is-on{opacity:1}
@media (hover:none),(pointer:coarse){.cursor,.cursor-dot{display:none}}
.curtain{position:fixed;inset:0;z-index:180;display:none;place-items:center;background:radial-gradient(90% 80% at 70% 20%,#174a85,var(--navy-900) 60%);pointer-events:none}
.js .curtain{display:grid}
.curtain img{width:140px;opacity:.95}
.curtain svg{width:160px}
.no-motion .curtain{display:none}

/* ---------- Glass lens (CSS) ---------- */
.lens{position:relative;aspect-ratio:1;border-radius:50%;background:
  radial-gradient(circle at 30% 25%,rgba(255,255,255,.95) 0 6%,rgba(255,255,255,0) 22%),
  radial-gradient(circle at 70% 80%,rgba(159,231,255,.55),rgba(255,255,255,0) 45%),
  radial-gradient(circle at 50% 50%,rgba(232,246,255,.7),rgba(205,232,250,.55) 70%,rgba(160,210,240,.7) 100%);
  box-shadow:inset 0 0 0 1.5px rgba(41,182,240,.55),inset 0 -14px 40px rgba(26,143,214,.18),inset 0 10px 30px rgba(255,255,255,.8),0 30px 60px rgba(11,27,46,.12)}
.lens::after{content:"";position:absolute;inset:6%;border-radius:50%;background:conic-gradient(from 200deg,transparent 0 30%,rgba(184,169,255,.35) 38%,rgba(255,211,166,.3) 44%,transparent 52%);mix-blend-mode:screen;filter:blur(6px);animation:spin 14s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- Hero (home) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:linear-gradient(100deg,#F3F6FB 0%,#E4ECF6 38%,#9DB7DA 62%,#1F4A8A 85%,#0E2a5c 100%);isolation:isolate}
.hero__bg{position:absolute;inset:-6%;z-index:-2;background:url(../img/hero-lens-ribbon.webp) 68% 50%/cover no-repeat;will-change:transform}
.hero__veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(245,249,252,.97) 0%,rgba(245,249,252,.9) 38%,rgba(245,249,252,.55) 52%,rgba(245,249,252,0) 68%)}
.hero__fx{position:absolute;inset:0;z-index:-1;pointer-events:none}
.hero__inner{position:relative;width:100%;padding-top:120px;padding-bottom:110px}
.hero h1{max-width:11ch;font-weight:300;margin-bottom:28px}
.hero h1 em{font-style:normal}
.hero .lead{margin-bottom:36px}
.hero__tag{display:flex;gap:14px;align-items:center;margin-bottom:28px}
.hero__tag img{height:74px;width:auto}
.hero__meta{position:absolute;left:0;right:0;bottom:28px;display:flex;justify-content:space-between;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.hero__meta span:last-child{color:rgba(255,255,255,.75)}
.scroll-cue{display:inline-flex;align-items:center;gap:12px}
.scroll-cue i{width:1px;height:42px;background:linear-gradient(var(--azure-600),transparent);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;left:0;top:-40%;width:1px;height:40%;background:var(--sky-400);animation:drip 1.8s var(--ease) infinite}
@keyframes drip{to{top:110%}}
.hero__arcs{position:absolute;right:-8vw;top:54%;width:min(46vw,680px);transform:translateY(-50%);z-index:-1;opacity:.85;pointer-events:none}
@media (max-width:900px){.hero__veil{background:linear-gradient(180deg,rgba(245,249,252,.95) 0%,rgba(245,249,252,.85) 55%,rgba(245,249,252,.25) 100%)}.hero__meta span:last-child{display:none}.hero__arcs{opacity:.45}}

/* ---------- Page hero (inner) ---------- */
.phero{position:relative;padding:170px 0 clamp(70px,9vw,120px);overflow:hidden;isolation:isolate}
.phero.dark{padding-bottom:clamp(90px,11vw,150px)}
.phero__img{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;opacity:.55}
.phero.dark .phero__img{opacity:.45;mix-blend-mode:screen}
.phero__glow{position:absolute;z-index:-1;width:60vw;height:60vw;right:-20vw;top:-20vw;border-radius:50%;background:radial-gradient(circle,rgba(41,182,240,.35),transparent 60%);filter:blur(20px)}
.phero h1{max-width:16ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.8rem;color:var(--muted);margin-bottom:26px;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.5}
.crumbs a:hover{color:var(--azure-600)}
.dark .crumbs{color:rgba(220,234,246,.6)}
.phero__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;font-size:.82rem;font-weight:500;background:rgba(255,255,255,.7);box-shadow:inset 0 0 0 1px var(--line)}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--sky-400);box-shadow:0 0 0 3px rgba(41,182,240,.2)}
.dark .chip{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);color:#fff}

/* ---------- Marquee ---------- */
.marquee{overflow:hidden;padding:26px 0;background:var(--navy-800);color:#fff;border-block:1px solid rgba(255,255,255,.06)}
.marquee__track{display:flex;width:max-content;gap:0;will-change:transform}
.marquee__item{display:flex;align-items:center;gap:34px;padding-right:34px;font-family:var(--font-head);font-weight:300;font-size:clamp(1.3rem,2.6vw,2.1rem);letter-spacing:-.01em;white-space:nowrap}
.marquee__item i{width:12px;height:12px;border-radius:50%;background:conic-gradient(var(--sky-400),var(--iris-1),var(--azure-600),var(--sky-400));flex:none}
.marquee__item em{font-style:normal;color:var(--sky-300)}

/* ---------- Cards ---------- */
.card{position:relative;padding:clamp(24px,3vw,36px);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow-1),inset 0 0 0 1px var(--line);overflow:hidden;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.card:hover{box-shadow:var(--shadow-2),inset 0 0 0 1px rgba(41,182,240,.35)}
a.card:hover,.card.lift:hover{transform:translateY(-6px)}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.97rem}
.card .num{font-family:var(--font-head);font-weight:300;font-size:.9rem;color:var(--sky-400);letter-spacing:.06em;margin-bottom:16px;display:block}
.dark .card{background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);backdrop-filter:blur(10px)}
.dark .card p{color:rgba(220,234,246,.72)}
.card .shine{position:absolute;inset:0;pointer-events:none;background:radial-gradient(400px circle at var(--mx,50%) var(--my,50%),rgba(41,182,240,.14),transparent 45%);opacity:0;transition:opacity .4s}
.card:hover .shine{opacity:1}
.card-cta{margin-top:20px}

/* vision type cards */
.vtype{display:flex;flex-direction:column;gap:22px;text-align:left}
.vtype .lens{width:min(240px,70%);margin:6px auto 10px}
.vtype svg.zones{position:absolute;inset:0;width:100%;height:100%}
.zones text{font:600 9px var(--font-body);letter-spacing:.18em;fill:var(--azure-600)}
.vtype ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:.92rem;color:var(--ink-2)}
.vtype li{display:flex;gap:10px;align-items:baseline}
.vtype li::before{content:"";flex:none;width:6px;height:6px;margin-top:2px;border-radius:50%;background:var(--sky-400);transform:translateY(-2px)}

/* index strip */
.index-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.idx{position:relative;padding:22px 18px 20px;border-radius:18px;background:var(--white);box-shadow:inset 0 0 0 1px var(--line);overflow:hidden;cursor:pointer;transition:transform .5s var(--ease),box-shadow .5s,background .5s}
.idx::before{content:"";position:absolute;left:18px;right:18px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--sky-300);transform-origin:left;transform:scaleX(var(--w,.3));transition:transform .8s var(--ease)}
.idx b{display:block;font:300 2rem/1 var(--font-head);color:var(--azure-600);letter-spacing:-.02em;margin:8px 0 6px}
.idx span{font-size:.8rem;color:var(--muted)}
.idx:hover,.idx.is-active{transform:translateY(-4px);box-shadow:var(--shadow-2),inset 0 0 0 1.5px var(--sky-400)}
.idx.is-active{background:linear-gradient(160deg,#fff,var(--sky-100))}
@media (max-width:980px){.index-strip{grid-template-columns:repeat(3,1fr)}}

/* ---------- Thickness explorer ---------- */
.explorer{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(22px,3.4vw,44px);border-radius:28px;background:var(--white);box-shadow:var(--shadow-2),inset 0 0 0 1px var(--line)}
.explorer__vis{position:relative;border-radius:20px;background:linear-gradient(180deg,var(--ice-50),var(--ice-100));padding:20px;min-height:280px;display:grid;place-items:center}
.explorer__vis svg{width:100%;height:auto;overflow:visible}
.explorer__stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0}
.stat{padding:16px 18px;border-radius:16px;background:var(--ice-50);box-shadow:inset 0 0 0 1px var(--line)}
.stat b{display:block;font:300 1.9rem/1.1 var(--font-head);color:var(--ink);letter-spacing:-.02em}
.stat span{font-size:.78rem;color:var(--muted)}
.ctrl{margin:18px 0}
.ctrl label{display:flex;justify-content:space-between;font-size:.85rem;font-weight:600;margin-bottom:10px}
.ctrl output{font-family:var(--font-head);color:var(--azure-600)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:6px;background:linear-gradient(90deg,var(--sky-400) var(--p,50%),var(--ice-200) var(--p,50%));outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 0 0 2px var(--azure-500),0 4px 12px rgba(11,27,46,.25);cursor:grab}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid var(--azure-500);cursor:grab}
.seg{display:flex;flex-wrap:wrap;gap:6px;padding:5px;border-radius:999px;background:var(--ice-100);box-shadow:inset 0 0 0 1px var(--line);width:max-content;max-width:100%}
.seg button{padding:9px 16px;border-radius:999px;font-size:.86rem;font-weight:600;color:var(--muted);transition:background .35s,color .35s,box-shadow .35s}
.seg button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 2px 8px rgba(11,27,46,.12)}
.dark .seg{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.dark .seg button{color:rgba(220,234,246,.7)}
.dark .seg button[aria-pressed=true]{background:#fff;color:var(--navy-800)}
@media (max-width:900px){.explorer{grid-template-columns:minmax(0,1fr)}}

/* ---------- Finishes / coatings ---------- */
.finish{display:flex;flex-direction:column}
.finish .badge{align-self:flex-start;margin-bottom:22px}
.finish__disc{width:84px;height:84px;margin-bottom:22px}
.feat{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px;font-size:.9rem}
.feat li{display:flex;justify-content:space-between;gap:12px;padding-top:10px;border-top:1px solid var(--line)}
.feat li span{color:var(--muted)}
.dot{width:12px;height:12px;border-radius:50%;flex:none;align-self:center;background:var(--ice-200)}
.dot.on{background:radial-gradient(circle at 35% 35%,#fff 0 12%,var(--sky-400) 40%,var(--azure-600));box-shadow:0 0 0 4px rgba(41,182,240,.15)}
.badge{display:inline-flex;padding:6px 12px;border-radius:999px;font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;background:var(--sky-100);color:var(--azure-600)}
.dark .badge{background:rgba(41,182,240,.14);color:var(--sky-300)}

/* exploded layers */
.layers{position:relative;height:100svh;min-height:640px;display:flex;align-items:center}
.layers__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,80px);align-items:center;width:100%}
.layers svg{width:100%;height:auto;overflow:visible}
.layer-label{opacity:.25;transition:opacity .4s}
.layer-steps{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.layer-steps li{padding:16px 20px;border-radius:16px;border:1px solid transparent;opacity:.4;transition:opacity .5s,background .5s,border-color .5s}
.layer-steps li.is-on{opacity:1;background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.layer-steps b{display:block;color:#fff;font-weight:600;margin-bottom:2px}
.layer-steps span{font-size:.9rem;color:rgba(220,234,246,.72)}
@media (max-width:900px){.layers{height:auto;min-height:0;padding:40px 0}.layers__grid{grid-template-columns:1fr}.layer-steps li{opacity:1}}

/* demos */
.demo{position:relative;border-radius:24px;overflow:hidden;background:var(--navy-900);aspect-ratio:4/3;box-shadow:var(--shadow-2);user-select:none}
.demo img{width:100%;height:100%;object-fit:cover}
.compare{--x:50%;cursor:ew-resize;touch-action:pan-y}
.compare__glare{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--x)) 0 0);pointer-events:none}
.compare__glare::before{content:"";position:absolute;inset:0;background:
 linear-gradient(118deg,transparent 18%,rgba(255,255,255,.55) 22%,rgba(255,255,255,.1) 27%,transparent 31%),
 linear-gradient(118deg,transparent 40%,rgba(255,255,255,.35) 43%,transparent 47%),
 radial-gradient(40% 26% at 30% 30%,rgba(255,255,255,.55),transparent 70%),
 radial-gradient(30% 18% at 72% 62%,rgba(255,255,255,.45),transparent 70%);mix-blend-mode:screen}
.compare__glare::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.14)}
.compare__bar{position:absolute;top:0;bottom:0;left:var(--x);width:2px;margin-left:-1px;background:#fff;box-shadow:0 0 20px rgba(41,182,240,.8)}
.compare__knob{position:absolute;top:50%;left:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.compare__knob svg{width:22px;color:var(--navy-800)}
.demo__tag{position:absolute;top:16px;padding:7px 12px;border-radius:999px;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;background:rgba(5,14,25,.6);color:#fff;backdrop-filter:blur(8px)}
.demo__tag.l{left:16px}.demo__tag.r{right:16px}
.drops{position:absolute;inset:0}
.drop{position:absolute;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(255,255,255,.95) 0 10%,rgba(200,236,255,.55) 30%,rgba(120,190,230,.35) 70%,rgba(255,255,255,.6) 100%);box-shadow:inset -2px -4px 8px rgba(10,111,181,.35),0 4px 10px rgba(5,14,25,.25)}
.rays{width:100%;height:100%}

/* ---------- Photochromic ---------- */
.pc-stage{position:relative;border-radius:28px;overflow:hidden;padding:clamp(24px,4vw,48px);background:linear-gradient(180deg,var(--sky-sky,#cfe6f7),#f6fbff);transition:background .2s;box-shadow:var(--shadow-2)}
.pc-stage .sun{position:absolute;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#fff6d6 0 30%,#ffd98a 50%,rgba(255,200,90,0) 70%);filter:blur(1px)}
.pc-glasses{position:relative;width:min(560px,100%);margin:30px auto 10px}
.pc-glasses svg{width:100%;height:auto;overflow:visible}
.shade-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.shade{padding:18px;border-radius:20px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);text-align:center}
.shade__pair{display:flex;justify-content:center;align-items:center;gap:6px;margin:6px 0 14px}
.shade__pair i{width:44px;height:44px;border-radius:50%;box-shadow:inset 0 0 0 1.5px rgba(11,27,46,.12),inset 0 6px 12px rgba(255,255,255,.6)}
.shade__pair i:first-child{background:radial-gradient(circle at 35% 30%,#fff,#eaf3f9)}
.shade__pair svg{width:18px;color:var(--muted)}
.shade b{font-weight:600;font-size:.95rem}
.shade small{display:block;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.swatch-row{display:flex;flex-wrap:wrap;gap:10px}
.swatch-btn{width:40px;height:40px;border-radius:50%;box-shadow:inset 0 0 0 2px rgba(255,255,255,.7),0 0 0 1px var(--line);transition:transform .35s var(--ease),box-shadow .35s}
.swatch-btn[aria-pressed=true]{transform:scale(1.12);box-shadow:inset 0 0 0 2px #fff,0 0 0 3px var(--sky-400)}
@media (max-width:900px){.shade-grid{grid-template-columns:repeat(2,1fr)}}

/* ---------- Progressive ---------- */
.prog-pin{position:relative;height:100svh;min-height:680px;display:flex;align-items:center;overflow:hidden}
.prog-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center;width:100%}
.prog-scene{position:relative;aspect-ratio:1;border-radius:30px;overflow:hidden;box-shadow:var(--shadow-2)}
.prog-scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.prog-scene .spot{position:absolute;inset:0;pointer-events:none;background:radial-gradient(60% 22% at 50% var(--sy,20%),transparent 0 55%,rgba(5,14,25,.55) 100%);transition:background .2s}
.prog-steps{position:relative;min-height:260px}
.prog-step{position:absolute;inset:0;opacity:0;visibility:hidden}
.prog-step.is-on{opacity:1;visibility:visible}
.prog-step .big{font:200 clamp(4rem,9vw,8rem)/1 var(--font-head);color:var(--sky-300);letter-spacing:-.05em;display:block;margin-bottom:12px}
.prog-meter{display:flex;gap:8px;margin-top:28px}
.prog-meter i{height:3px;flex:1;border-radius:3px;background:rgba(255,255,255,.15);overflow:hidden;position:relative}
.prog-meter i b{position:absolute;inset:0;background:var(--sky-400);transform-origin:left;transform:scaleX(0)}
@media (max-width:900px){.prog-pin{height:auto;min-height:0;padding:30px 0}.prog-grid{grid-template-columns:1fr}.prog-step{position:relative;opacity:1;visibility:visible;margin-bottom:28px}.prog-steps{min-height:0}.prog-meter{display:none}}

.tiers{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,5vw,72px);align-items:center}
.tier-tabs{display:grid;gap:10px}
.tier-tab{color:var(--ink);display:block;text-align:left;width:100%;padding:20px 22px;border-radius:20px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .4s,transform .5s var(--ease)}
.tier-tab small{display:block;font-size:.68rem;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--sky-400)}
.tier-tab b{display:block;font:300 1.6rem/1.2 var(--font-head);letter-spacing:-.02em;margin:4px 0}
.tier-tab span{display:block;font-size:.9rem;color:var(--muted)}
.tier-tab .bar{display:block;height:4px;border-radius:4px;background:var(--ice-200);margin-top:14px;overflow:hidden}
.tier-tab .bar i{display:block;height:100%;width:var(--w);border-radius:4px;background:linear-gradient(90deg,var(--sky-400),var(--azure-600))}
.tier-tab[aria-selected=true]{box-shadow:var(--shadow-2),inset 0 0 0 2px var(--sky-400);transform:translateX(8px)}
.tier-view{position:relative;aspect-ratio:1;border-radius:30px;overflow:hidden;box-shadow:var(--shadow-2);background:var(--navy-800)}
.tier-view img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.06);transition:opacity .9s var(--ease),transform 1.4s var(--ease)}
.tier-view img.is-on{opacity:1;transform:none}
.tier-view figcaption{position:absolute;left:16px;bottom:16px;right:16px;font-size:.75rem;color:#fff;background:rgba(5,14,25,.55);backdrop-filter:blur(6px);padding:8px 12px;border-radius:12px}
@media (max-width:900px){.tiers{grid-template-columns:1fr}.tier-tab[aria-selected=true]{transform:none}}

.corridor{display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,5vw,64px);align-items:center}
.corridor svg{width:min(320px,80vw);height:auto}

/* ---------- Colour studio ---------- */
.studio{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(24px,5vw,72px);align-items:start}
.studio__preview{position:sticky;top:110px}
.studio__lens{position:relative;aspect-ratio:1.25;border-radius:30px;overflow:hidden;background:var(--navy-800);box-shadow:var(--shadow-2)}
.studio__lens img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.studio__lens svg{position:absolute;inset:0;width:100%;height:100%}
.studio__name{display:flex;justify-content:space-between;align-items:baseline;margin-top:18px}
.studio__name b{font:300 1.6rem var(--font-head);letter-spacing:-.02em}
.studio__name span{font-size:.85rem;color:var(--muted)}
.tint-group h3{font-size:1.1rem;font-weight:500;margin:28px 0 14px}
.tint-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px}
.tint{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 6px;border-radius:16px;font-size:.72rem;line-height:1.25;text-align:center;color:var(--ink-2);transition:background .3s,box-shadow .3s}
.tint i{width:46px;height:46px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(11,27,46,.12),inset 0 8px 14px rgba(255,255,255,.45)}
.tint:hover{background:#fff}
.tint[aria-pressed=true]{background:#fff;box-shadow:inset 0 0 0 2px var(--sky-400)}
@media (max-width:900px){.studio{grid-template-columns:1fr}.studio__preview{position:relative;top:0}}

/* ---------- Tables ---------- */
.tbl-wrap{overflow-x:auto;border-radius:20px;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
table.matrix{width:100%;border-collapse:collapse;font-size:.92rem;min-width:560px}
.matrix caption{text-align:left;padding:18px 20px 6px;font-weight:600;font-size:1rem}
.matrix th,.matrix td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--line)}
.matrix th:first-child,.matrix td:first-child{text-align:left;font-weight:600}
.matrix thead th{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:var(--ice-50)}
.matrix tr:last-child td{border-bottom:0}
.matrix tbody tr{transition:background .3s}
.matrix tbody tr:hover{background:var(--ice-50)}
.matrix .dot{display:inline-block}
.matrix td small{display:block;font-size:.7rem;color:var(--muted);font-weight:400}
.legend{display:flex;flex-wrap:wrap;gap:18px;font-size:.8rem;color:var(--muted);margin:14px 0 0}
.legend span{display:inline-flex;gap:8px;align-items:center}
.ranges{display:grid;gap:12px}
.range-row{display:grid;grid-template-columns:200px 1fr;gap:16px;align-items:center;padding:16px 20px;border-radius:16px;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.range-row b{font-weight:600}
.range-row span{font-family:var(--font-head);font-weight:300;color:var(--ink-2)}
@media (max-width:640px){.range-row{grid-template-columns:1fr;gap:4px}}

/* ---------- Steps / care ---------- */
.steps{counter-reset:s;display:grid;gap:18px}
.step{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:start;padding:26px;border-radius:22px;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.step__ic{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(140deg,var(--sky-100),#fff);box-shadow:inset 0 0 0 1px rgba(41,182,240,.3)}
.step__ic svg{width:32px;height:32px;color:var(--azure-600)}
.step h3{margin-bottom:.3em}
.step p{color:var(--muted);margin:0}
.icon-draw path,.icon-draw circle,.icon-draw line,.icon-draw rect,.icon-draw polyline{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Lens finder ---------- */
.finder{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(24px,5vw,72px);align-items:start}
.finder__card{position:relative;padding:clamp(24px,3.4vw,40px);border-radius:28px;background:rgba(255,255,255,.05);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);backdrop-filter:blur(12px);min-height:420px}
.finder__q{display:none}
.finder__q.is-on{display:block}
.finder__q h3{margin-bottom:22px}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:16px 18px;border-radius:16px;background:rgba(255,255,255,.04);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);color:#fff;transition:background .3s,box-shadow .3s,transform .4s var(--ease)}
.opt:hover{background:rgba(41,182,240,.12);box-shadow:inset 0 0 0 1px var(--sky-400);transform:translateX(4px)}
.opt i{flex:none;width:22px;height:22px;border-radius:50%;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.opt small{display:block;color:rgba(220,234,246,.6);font-size:.82rem}
.finder__bar{height:3px;border-radius:3px;background:rgba(255,255,255,.12);margin-bottom:26px;overflow:hidden}
.finder__bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--sky-400),var(--iris-1));transition:width .6s var(--ease)}
.finder__back{font-size:.85rem;color:var(--sky-300);margin-top:18px}
.result h3{font-size:clamp(1.6rem,3vw,2.2rem)}
.result ul{list-style:none;padding:0;margin:20px 0;display:grid;gap:10px}
.result li{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.05)}
.result li b{color:var(--sky-300);font-weight:600;font-size:.85rem;letter-spacing:.04em}
@media (max-width:900px){.finder{grid-template-columns:1fr}.result li{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{border-radius:18px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .4s}
.faq details[open]{box-shadow:var(--shadow-1),inset 0 0 0 1px rgba(41,182,240,.4)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:20px 24px;font-weight:600;font-size:1.02rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;width:30px;height:30px;border-radius:50%;background:var(--ice-100);position:relative;transition:transform .5s var(--ease),background .3s}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.6px;margin:-.8px 0 0 -6px;background:var(--navy-800);border-radius:2px}
.faq summary i::after{transform:rotate(90deg);transition:transform .5s var(--ease)}
.faq details[open] summary i{background:var(--sky-100);transform:rotate(180deg)}
.faq details[open] summary i::after{transform:rotate(0)}
.faq .ans{padding:0 24px 22px;color:var(--ink-2)}
.faq .ans p:last-child{margin:0}

/* ---------- CTA band / footer ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:36px;padding:clamp(40px,7vw,90px);background:radial-gradient(80% 120% at 100% 0%,#1d5aa0,var(--navy-800) 55%,var(--navy-950));color:#fff;isolation:isolate}
.cta-band h2{color:#fff;max-width:18ch}
.cta-band p{color:rgba(220,234,246,.8);max-width:52ch}
.cta-band .btn--ghost{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.cta-band .arcs{position:absolute;right:-60px;bottom:-80px;width:min(520px,70%);z-index:-1;opacity:.9}
.ftr{background:var(--navy-950);color:rgba(220,234,246,.72);padding:90px 0 34px;font-size:.92rem}
.ftr__grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
.ftr img{height:120px;width:auto;margin-bottom:18px}
.ftr h5{font:600 .72rem/1 var(--font-body);letter-spacing:.22em;text-transform:uppercase;color:#fff;margin:6px 0 18px}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ftr a:hover{color:var(--sky-300)}
.ftr__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;margin-top:70px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem}
.ftr__big{font:200 clamp(3rem,13vw,11rem)/.9 var(--font-head);letter-spacing:-.05em;color:transparent;-webkit-text-stroke:1px rgba(111,208,246,.22);margin-top:60px;white-space:nowrap;overflow:hidden}
@media (max-width:900px){.ftr__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.ftr__grid{grid-template-columns:1fr}}

/* ---------- Forms ---------- */
.form{display:grid;gap:16px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:.82rem;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{font:inherit;font-size:.96rem;padding:14px 16px;border-radius:14px;border:1px solid var(--line-strong);background:#fff;color:var(--ink);transition:border-color .3s,box-shadow .3s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--sky-400);box-shadow:0 0 0 4px rgba(41,182,240,.15)}
.field textarea{min-height:130px;resize:vertical}
.placeholder-flag{display:inline-block;padding:2px 8px;border-radius:6px;background:#FFF3D6;color:#7a5200;font-size:.72rem;font-weight:700;letter-spacing:.06em}
@media (max-width:640px){.form .row{grid-template-columns:1fr}}

/* ---------- Misc ---------- */
.kicker-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:14px}
.kicker-list li{display:grid;grid-template-columns:28px 1fr;gap:14px;align-items:start}
.kicker-list li::before{content:"";width:22px;height:22px;margin-top:3px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#fff 0 14%,var(--sky-400) 45%,var(--azure-600));box-shadow:0 0 0 4px rgba(41,182,240,.15)}
.kicker-list b{display:block}
.kicker-list span{color:var(--muted);font-size:.95rem}
.dark .kicker-list span{color:rgba(220,234,246,.7)}
.img-frame{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-2)}
.img-frame img{width:100%;height:100%;object-fit:cover}
.parallax-img{will-change:transform}
.compare-tbl{width:100%;border-collapse:collapse;font-size:.94rem}
.compare-tbl th,.compare-tbl td{padding:16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare-tbl thead th{font-family:var(--font-head);font-weight:400;font-size:1.05rem}
.compare-tbl tbody th{font-weight:600;color:var(--muted);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;width:22%}
.pill-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.float{animation:float 7s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-14px) rotate(2deg)}}
.split-line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.wi{display:inline-block;will-change:transform}

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ---------- Mobile refinements ---------- */
@media (max-width:900px){
  .corridor{grid-template-columns:minmax(0,1fr)}
  .corridor svg{margin:0 auto}
}
@media (max-width:640px){
  table.matrix{min-width:0;font-size:.8rem}
  .matrix th,.matrix td{padding:11px 6px}
  .matrix th:first-child,.matrix td:first-child{padding-left:14px}
  .matrix thead th{font-size:.58rem;letter-spacing:.06em;line-height:1.3}
  .matrix caption{padding:16px 14px 4px;font-size:.95rem}
  .matrix td small,.matrix th small{font-size:.66rem}
  .compare-tbl{min-width:620px}
  .tbl-wrap:has(.compare-tbl)::before{content:"Swipe to compare →";display:block;position:sticky;left:0;padding:10px 14px 0;font-size:.72rem;font-weight:600;letter-spacing:.08em;color:var(--azure-600)}
  .seg{border-radius:18px}
  .idx{padding:16px 10px 14px}
  .idx b{font-size:1.6rem}
  .idx span{font-size:.68rem;line-height:1.3;display:block}
  .explorer__stats .stat b{font-size:1.4rem}
  [data-corridor] .explorer__stats .stat b{font-size:.95rem!important}
  [data-corridor] .explorer__stats .stat{padding:12px 10px}
  .layer-label{font-size:17px}
  .hero__meta{bottom:16px}
  .phero{padding-top:130px}
  .finder__card{min-height:0}
  .cta-band{border-radius:26px}
  .ftr__big{font-size:3.4rem}
}

@media (max-width:900px){
  .studio__preview{position:sticky;top:8px;z-index:5;background:var(--ice-50);padding:8px 0 10px;margin:0 calc(-1*var(--gutter));padding-left:var(--gutter);padding-right:var(--gutter)}
  .studio__lens{aspect-ratio:16/9;border-radius:20px}
  .studio__preview .note,.studio__preview .btn-row{display:none}
  .studio__name{margin-top:10px}
  .studio__name b{font-size:1.2rem}
  .tint-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}
  .tint{padding:10px 2px;font-size:.66rem}
  .tint i{width:40px;height:40px}
}

/* ---------- Retailers (light, calm) ---------- */
.rsec{padding-top:clamp(40px,5vw,70px)}
.rfind{display:grid;grid-template-columns:1fr auto;gap:14px 30px;align-items:center;padding:24px 28px;margin-bottom:clamp(36px,5vw,60px);border-radius:24px;background:linear-gradient(150deg,var(--ice-50),var(--ice-100));box-shadow:inset 0 0 0 1px var(--line)}
.rfind h3{margin:0 0 4px;font-size:1.3rem}
.rfind__txt p{margin:0;color:var(--muted);font-size:.94rem}
.rfind__ctrl{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.rfind__geo{padding:13px 22px;font-size:.9rem}
.rfind__or{font-size:.82rem;color:var(--muted)}
.rfind__pin{display:flex;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px var(--line-strong);overflow:hidden;transition:box-shadow .3s}
.rfind__pin:focus-within{box-shadow:inset 0 0 0 1.5px var(--sky-400),0 0 0 4px rgba(41,182,240,.15)}
.rfind__pin input{border:0;background:none;font:inherit;font-size:.95rem;padding:12px 4px 12px 20px;width:200px;outline:none;color:var(--ink);letter-spacing:.04em}
.rfind__pin button{padding:0 20px;font-weight:600;font-size:.88rem;color:var(--azure-600)}
.rfind__pin button:hover{color:var(--navy-800)}
.rfind__status{grid-column:1/-1;margin:0;font-size:.88rem;color:var(--azure-600);min-height:1em}
.rfind__status:empty{display:none}
.rfind__status button{font-weight:600;text-decoration:underline;margin-left:6px;color:var(--ink-2)}
.rnet{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,72px);align-items:start}
.rnet__map{align-self:stretch}
.rnet__sticky{position:sticky;top:100px}
.rmapx{position:relative;height:calc(100svh - 140px);min-height:460px;max-height:780px;border-radius:28px;overflow:hidden;background:var(--ice-100);box-shadow:var(--shadow-2),inset 0 0 0 1px var(--line);isolation:isolate}
.rmapx iframe{position:absolute;inset:0;width:100%;height:100%;border:0;opacity:0;transition:opacity .6s var(--ease)}
.rmapx iframe.is-on{opacity:1;z-index:1}
.rmapx__load{position:absolute;inset:0;display:grid;place-items:center;z-index:0}
.rmapx__load span{width:36px;height:36px;border-radius:50%;border:2px solid var(--sky-100);border-top-color:var(--sky-400);animation:spin 1s linear infinite}
.rmapx__tag{position:absolute;left:14px;right:14px;bottom:14px;z-index:3;display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:20px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 10px 30px rgba(11,27,46,.16),inset 0 0 0 1px var(--line);transition:transform .45s var(--ease),opacity .45s}
.rmapx__tag.is-swap{transform:translateY(8px);opacity:.4}
.rmapx__num{flex:none;font:200 1.9rem/1 var(--font-head);color:var(--azure-600);letter-spacing:-.04em}
.rmapx__txt{flex:1;min-width:0}
.rmapx__txt b{display:block;font-weight:600;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rmapx__txt small{display:block;font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--azure-600)}
.rmapx__open{flex:none;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:var(--navy-800);color:#fff;font-size:.82rem;font-weight:600;transition:background .3s}
.rmapx__open:hover{background:var(--azure-600)}
.rnet__list{display:grid;gap:14px}
.rc{position:relative;display:grid;grid-template-columns:auto 1fr;gap:20px;padding:24px 26px;border-radius:22px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:box-shadow .35s}
.rc::after{content:"";position:absolute;left:0;top:22%;bottom:22%;width:3px;border-radius:3px;background:var(--sky-400);opacity:0;transition:opacity .35s}
.rc.is-active,.rc:hover{box-shadow:var(--shadow-1),inset 0 0 0 1.5px rgba(41,182,240,.5)}
.rc.is-active::after{opacity:1}
.rc-num{font:200 2.3rem/1 var(--font-head);letter-spacing:-.04em;color:var(--sky-300)}
.rc.is-active .rc-num{color:var(--azure-600)}
.rc-top{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center}
.rc-loc{font-size:.7rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--azure-600)}
.rc-dist{display:inline-flex;gap:6px;align-items:center;padding:4px 10px;border-radius:999px;font-size:.74rem;font-weight:700;background:var(--sky-100);color:var(--navy-800)}
.rc-dist[hidden]{display:none}
.rc-dist.is-near{background:var(--navy-800);color:#fff}
.rc h3{margin:6px 0 6px;font-size:1.35rem}
.rc-addr{font-size:.92rem;line-height:1.6;color:var(--muted);margin:0 0 16px;max-width:54ch}
.rc-actions{display:flex;flex-wrap:wrap;gap:10px}
.rc-btn{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;font-size:.87rem;font-weight:600;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-strong);transition:background .3s,color .3s,box-shadow .3s}
.rc-btn svg{width:16px;height:16px}
.rc-btn:hover{box-shadow:inset 0 0 0 1.5px var(--sky-400)}
.rc-btn--go{background:var(--navy-800);color:#fff;box-shadow:none}
.rc-btn--go:hover{background:var(--azure-600);box-shadow:none}
@media (max-width:900px){
  .rfind{grid-template-columns:1fr;padding:20px}
  .rnet{display:block}
  .rnet__map{position:sticky;top:8px;z-index:4;margin-bottom:16px}
  .rnet__sticky{position:static}
  .rmapx{height:36svh;min-height:240px;border-radius:22px;box-shadow:0 12px 30px rgba(11,27,46,.18),inset 0 0 0 1px var(--line)}
  .rmapx__tag{left:8px;right:8px;bottom:8px;padding:10px 12px;gap:10px;border-radius:16px}
  .rmapx__num{font-size:1.4rem}
  .rmapx__open{padding:9px;font-size:0;gap:0}
  .rmapx__open .arr{width:16px;height:16px}
  .rc{padding:20px 18px;gap:14px}
  .rc-num{font-size:1.8rem}
}
@media (max-width:520px){.rfind__ctrl{flex-direction:column;align-items:stretch}.rfind__geo{justify-content:center}.rfind__or{text-align:center}.rfind__pin input{flex:1;width:auto}}

/* ---------- Mobile drawer menu ---------- */
.mnav-scrim{position:fixed;inset:0;z-index:95;background:rgba(5,14,25,.45);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
.mnav{position:fixed;top:0;right:0;bottom:0;z-index:100;width:min(88vw,400px);display:flex;flex-direction:column;gap:2px;padding:14px 16px calc(24px + env(safe-area-inset-bottom));background:#fff;box-shadow:-20px 0 60px rgba(5,14,25,.25);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;transform:translateX(105%);visibility:hidden;transition:transform .5s var(--ease),visibility .5s}
.menu-open .mnav{transform:none;visibility:visible}
.menu-open .mnav-scrim{opacity:1;visibility:visible}
.menu-open{overflow:hidden}
.mnav__head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 14px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.mnav__head img{height:44px;width:auto}
.mnav__x{position:relative;flex:none;width:44px;height:44px;border-radius:50%;background:var(--ice-100)}
.mnav__x span{position:absolute;left:13px;right:13px;top:21px;height:2px;border-radius:2px;background:var(--navy-800)}
.mnav__x span:first-child{transform:rotate(45deg)}.mnav__x span:last-child{transform:rotate(-45deg)}
.mnav__link,.mnav__grp>summary{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 12px;border-radius:14px;font-family:var(--font-head);font-size:1.12rem;font-weight:400;color:var(--ink);cursor:pointer;list-style:none;transition:background .25s}
.mnav__grp>summary::-webkit-details-marker{display:none}
.mnav__link:active,.mnav__grp>summary:active{background:var(--ice-100)}
.mnav__link[aria-current=page]{background:var(--ice-100);color:var(--azure-600)}
.mnav__grp>summary svg{width:12px;height:12px;color:var(--muted);transition:transform .35s var(--ease)}
.mnav__grp[open]>summary{color:var(--azure-600)}
.mnav__grp[open]>summary svg{transform:rotate(180deg)}
.mnav__sub{display:grid;gap:2px;padding:2px 0 8px 4px}
.mnav__sub a{display:flex;gap:12px;align-items:center;padding:10px;border-radius:12px}
.mnav__sub a:active{background:var(--ice-100)}
.mnav__sub .ic{flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,var(--sky-100),#fff);box-shadow:inset 0 0 0 1px rgba(41,182,240,.25)}
.mnav__sub .ic svg{width:19px;height:19px;color:var(--azure-600)}
.mnav__sub b{display:block;font-weight:600;font-size:.95rem;color:var(--ink)}
.mnav__sub small{display:block;font-size:.78rem;line-height:1.35;color:var(--muted)}
.mnav__foot{margin-top:auto;padding-top:20px;display:grid;gap:12px}
.mnav__foot .btn{justify-content:center}
.mnav__mail{text-align:center;font-size:.85rem;color:var(--muted)}
@media (min-width:1081px){.mnav,.mnav-scrim{display:none}}

/* ---------- Mobile bottom action bar ---------- */
.mbar{display:none}
@media (max-width:760px){
  .mbar{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:80;display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px;border-radius:999px;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 30px rgba(11,27,46,.18),inset 0 0 0 1px var(--line);transform:translateY(160%);transition:transform .5s var(--ease)}
  .mbar.is-on{transform:none}
  .menu-open .mbar{transform:translateY(160%)}
  .mbar__a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--ink)}
  .mbar__a svg{width:18px;height:18px}
  .mbar__a--dark{background:var(--navy-800);color:#fff}
  .ftr{padding-bottom:110px}
}

/* ---------- Mobile comfort ---------- */
@media (max-width:640px){
  .section{padding:64px 0}
  .section--tight{padding:44px 0}
  .sec-head{margin-bottom:30px}
  h2{font-size:clamp(1.8rem,8vw,2.3rem)}
  .lead{font-size:1.02rem}
  .phero{padding:118px 0 52px}
  .phero__chips{margin-top:22px;gap:8px}
  .chip{font-size:.76rem;padding:7px 12px}
  .card{padding:22px}
  .grid.g3,.grid.g4{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 calc(-1*var(--gutter));padding:4px var(--gutter) 18px;scroll-padding:0 var(--gutter);overscroll-behavior-x:contain;scrollbar-width:none}
  .grid.g3::-webkit-scrollbar,.grid.g4::-webkit-scrollbar{display:none}
  .grid.g3>*,.grid.g4>*{flex:0 0 84%;scroll-snap-align:start}
  .swipe-hint{display:flex;align-items:center;gap:8px;font-size:.74rem;font-weight:600;letter-spacing:.08em;color:var(--muted);margin:-6px 0 10px}
  .dark .swipe-hint{color:rgba(220,234,246,.6)}
  .tier-tabs{display:flex;overflow-x:auto;gap:8px;margin:0 calc(-1*var(--gutter));padding:2px var(--gutter) 8px;scrollbar-width:none}
  .tier-tabs::-webkit-scrollbar{display:none}
  .tier-tab{flex:0 0 auto;width:auto;padding:12px 16px;border-radius:16px}
  .tier-tab b{font-size:1.05rem;margin:2px 0 0}
  .tier-tab span:not(.bar),.tier-tab .bar{display:none}
  .tier-tab[aria-selected=true]{transform:none}
  .tiers{gap:16px}
  .faq summary{padding:16px 18px;font-size:.96rem}
  .faq .ans{padding:0 18px 18px}
  .btn{padding:14px 22px}
  .hero__inner{padding-top:110px;padding-bottom:90px}
}
@media (min-width:641px){.swipe-hint{display:none}}