/* RxSwimGoggles — shared styles */
:root {
  --bg:#E9F1F2; --surface:#fff; --surface-2:#F3F8F9;
  --ink:#06272E; --muted:#4C666C; --line:#D2E0E2;
  --accent:#0A93A8; --accent-deep:#056676; --accent-soft:#DCF0F2;
  --cta:#EF6144; --cta-ink:#fff; --good:#0E8F4E;
  --shadow:0 1px 2px rgba(6,39,46,.06),0 12px 30px -14px rgba(6,39,46,.18);
  --maxw:1120px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","SFMono-Regular",Menlo,"Cascadia Mono",Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#04161B; --surface:#082830; --surface-2:#0A323B;
  --ink:#E7F4F5; --muted:#8FAAB0; --line:#123B44;
  --accent:#23C2D5; --accent-deep:#12A6B9; --accent-soft:#0C3A42;
  --cta:#FF7A5C; --cta-ink:#14100E; --good:#34C778;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -18px rgba(0,0,0,.6);
}}
:root[data-theme="light"]{--bg:#E9F1F2;--surface:#fff;--surface-2:#F3F8F9;--ink:#06272E;--muted:#4C666C;--line:#D2E0E2;--accent:#0A93A8;--accent-deep:#056676;--accent-soft:#DCF0F2;--cta:#EF6144;--cta-ink:#fff;--good:#0E8F4E;--shadow:0 1px 2px rgba(6,39,46,.06),0 12px 30px -14px rgba(6,39,46,.18);}
:root[data-theme="dark"]{--bg:#04161B;--surface:#082830;--surface-2:#0A323B;--ink:#E7F4F5;--muted:#8FAAB0;--line:#123B44;--accent:#23C2D5;--accent-deep:#12A6B9;--accent-soft:#0C3A42;--cta:#FF7A5C;--cta-ink:#14100E;--good:#34C778;--shadow:0 1px 2px rgba(0,0,0,.4),0 18px 40px -18px rgba(0,0,0,.6);}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px;}
a{color:inherit;}
h1,h2,h3,h4{text-wrap:balance;letter-spacing:-.02em;line-height:1.1;margin:0;}
h1{font-size:clamp(2.3rem,5.5vw,3.9rem);font-weight:800;}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem);font-weight:800;}
h3{font-size:1.15rem;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-deep);font-weight:600;}
.tnum{font-variant-numeric:tabular-nums;}
.skip{position:absolute;left:-999px;}
.skip:focus{left:12px;top:12px;background:var(--surface);padding:.6rem 1rem;border-radius:8px;z-index:100;}

.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:650;font-size:.98rem;padding:.8rem 1.35rem;border-radius:999px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .12s ease,background .15s ease,box-shadow .15s ease;}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px;}
.btn-cta{background:var(--cta);color:var(--cta-ink);box-shadow:var(--shadow);}
.btn-cta:hover{transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-deep);}
.btn-solid{background:var(--ink);color:var(--bg);}

header.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px;}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:-.02em;font-size:1.12rem;text-decoration:none;}
.brand .mark{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;background:linear-gradient(150deg,var(--accent),var(--accent-deep));color:#fff;font-family:var(--mono);font-weight:700;font-size:.8rem;}
.brand em{font-style:normal;color:var(--accent-deep);}
.nav-links{display:flex;gap:1.6rem;align-items:center;}
.nav-links a{text-decoration:none;font-weight:550;font-size:.94rem;color:var(--muted);}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink);}
@media (max-width:860px){.nav-links{display:none;}}

section{padding:64px 0;}
.section-head{max-width:64ch;margin-bottom:2.2rem;}
.section-head h2{margin-top:.6rem;}
.section-head p{margin-top:.9rem;color:var(--muted);font-size:1.06rem;}
.lede{font-size:1.16rem;color:var(--muted);}

.hero{position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60% 55% at 82% 8%,color-mix(in srgb,var(--accent) 26%,transparent),transparent 70%),radial-gradient(50% 50% at 12% 92%,color-mix(in srgb,var(--accent-deep) 18%,transparent),transparent 70%);}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:68px 0 80px;}
@media (max-width:940px){.hero-in{grid-template-columns:1fr;gap:32px;padding:40px 0 52px;}}
.hero h1 span{color:var(--accent-deep);}
.hero .lede{margin-top:1.3rem;max-width:34ch;}
.hero .actions{margin-top:1.8rem;display:flex;gap:.8rem;flex-wrap:wrap;}
.hero .sub{margin-top:1.4rem;font-size:.86rem;color:var(--muted);display:flex;gap:1.2rem;flex-wrap:wrap;}
.hero .sub b{color:var(--ink);font-weight:700;}

.rxcard{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;}
.rxcard .rxhead{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px dashed var(--line);background:var(--surface-2);}
.rxcard .rxhead .lbl{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);}
.pill{font-family:var(--mono);font-size:.72rem;padding:.18rem .55rem;border-radius:999px;border:1px solid var(--line);color:var(--accent-deep);background:var(--accent-soft);font-weight:600;display:inline-block;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);}
.panel-pad{padding:26px;}
.bordered{border:1px solid var(--line);border-radius:16px;}

.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start;}
@media (max-width:940px){.calc{grid-template-columns:1fr;}}
table.rx{width:100%;border-collapse:collapse;}
table.rx th,table.rx td{padding:10px 8px;text-align:center;}
table.rx thead th{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;border-bottom:1px solid var(--line);}
table.rx tbody th{text-align:left;font-family:var(--mono);font-weight:700;color:var(--accent-deep);font-size:.82rem;white-space:nowrap;}
table.rx td .eye-sub{display:block;font-size:.66rem;color:var(--muted);font-family:var(--sans);letter-spacing:0;text-transform:none;font-weight:500;}
select{width:100%;min-width:74px;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:.95rem;padding:.5rem .4rem;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);color:var(--ink);appearance:none;text-align:center;cursor:pointer;}
select:focus-visible{outline:2px solid var(--accent);outline-offset:1px;}
.field-note{font-size:.82rem;color:var(--muted);margin-top:1rem;display:flex;gap:.5rem;align-items:flex-start;}
.toggle-row{display:flex;align-items:center;gap:.6rem;margin:1.2rem 0 .2rem;font-size:.92rem;color:var(--muted);}
.result{background:linear-gradient(180deg,var(--surface),var(--surface-2));}
.r-badge{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--mono);font-weight:700;font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;padding:.35rem .7rem;border-radius:999px;}
.r-ready{background:var(--accent-soft);color:var(--accent-deep);}
.r-custom{background:color-mix(in srgb,var(--cta) 18%,transparent);color:var(--cta);}
.r-price{font-size:2.4rem;font-weight:800;letter-spacing:-.03em;}
.r-spec{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:1.1rem 0;}
.r-spec .cell{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:var(--surface);}
.r-spec .cell .k{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);}
.r-spec .cell .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:1.35rem;font-weight:700;margin-top:.2rem;}
.r-why{font-size:.9rem;color:var(--muted);border-top:1px dashed var(--line);padding-top:1rem;margin-top:.4rem;}

.trust{border-block:1px solid var(--line);background:var(--surface);}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 0;}
@media (max-width:780px){.trust-in{grid-template-columns:repeat(2,1fr);}}
.trust .t{display:flex;flex-direction:column;gap:.25rem;}
.trust .t .big{font-size:1.5rem;font-weight:800;letter-spacing:-.02em;}
.trust .t .cap{font-size:.82rem;color:var(--muted);}

.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:880px){.tiers{grid-template-columns:1fr;}}
.tier{display:flex;flex-direction:column;padding:26px;}
.tier.feat{border:1.5px solid var(--accent);position:relative;}
.tier.feat::after{content:"Best for astigmatism";position:absolute;top:-11px;left:26px;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;font-weight:700;background:var(--accent);color:#fff;padding:.2rem .6rem;border-radius:999px;}
.tier .price{font-size:2.2rem;font-weight:800;letter-spacing:-.03em;margin:.4rem 0 .2rem;}
.tier ul{list-style:none;padding:0;margin:1.1rem 0 1.6rem;display:flex;flex-direction:column;gap:.6rem;font-size:.94rem;}
.tier li{display:flex;gap:.55rem;align-items:flex-start;color:var(--muted);}
.tier li b{color:var(--ink);font-weight:650;}
.check{color:var(--good);flex:none;margin-top:.15rem;}
.tier .btn{margin-top:auto;justify-content:center;}

.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface);}
table.cmp{width:100%;border-collapse:collapse;min-width:560px;}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem;}
table.cmp thead th{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);}
table.cmp thead th.us{color:var(--accent-deep);}
table.cmp td.us{font-weight:650;color:var(--ink);}
table.cmp tbody tr:last-child td{border-bottom:none;}
.yes{color:var(--good);font-weight:700;}
.no{color:var(--muted);}

.cats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media (max-width:880px){.cats{grid-template-columns:repeat(2,1fr);}}
.cat{padding:22px;text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:.35rem;transition:border-color .15s ease,transform .12s ease;}
.cat:hover{border-color:var(--accent);transform:translateY(-2px);}
.cat .em{font-size:1.6rem;}
.cat .nm{font-weight:700;}
.cat .vol{font-family:var(--mono);font-size:.74rem;color:var(--muted);}

.faq details{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:4px 20px;margin-bottom:12px;}
.faq summary{cursor:pointer;font-weight:650;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent-deep);font-size:1.3rem;}
.faq details[open] summary::after{content:"\2212";}
.faq details p{padding-bottom:18px;color:var(--muted);font-size:.96rem;}

.band{background:linear-gradient(135deg,var(--accent-deep),var(--accent));color:#fff;border-radius:22px;padding:48px;text-align:center;}
.band h2{color:#fff;}
.band p{color:rgba(255,255,255,.85);max-width:50ch;margin:1rem auto 1.8rem;}
.band .btn-cta{background:#fff;color:var(--accent-deep);}

/* Article / content pages */
.breadcrumb{font-size:.82rem;color:var(--muted);padding-top:26px;display:flex;gap:.5rem;flex-wrap:wrap;}
.breadcrumb a{text-decoration:none;color:var(--accent-deep);}
.article{max-width:72ch;margin-inline:auto;}
.article h1{margin:1.2rem 0 .4rem;}
.article .meta{color:var(--muted);font-size:.9rem;margin-bottom:2rem;}
.article h2{font-size:1.6rem;margin:2.2rem 0 .8rem;}
.article h3{margin:1.6rem 0 .5rem;font-size:1.2rem;}
.article p{margin:1rem 0;color:var(--ink);}
.article ul,.article ol{color:var(--ink);padding-left:1.3rem;margin:1rem 0;}
.article li{margin:.4rem 0;}
.article .callout{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:12px;padding:18px 20px;margin:1.6rem 0;}
.prose-table{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:1.4rem 0;}
.prose-table table{width:100%;border-collapse:collapse;min-width:480px;}
.prose-table th,.prose-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem;}
.prose-table thead th{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);}

footer{border-top:1px solid var(--line);margin-top:40px;padding:40px 0 56px;color:var(--muted);font-size:.9rem;}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;}
.foot-links{display:flex;gap:1.4rem;flex-wrap:wrap;}
.foot-links a{text-decoration:none;}
.disclaim{font-size:.78rem;color:var(--muted);max-width:64ch;margin-top:1.2rem;}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}.btn:hover{transform:none;}}