/* Retina Clear — rettinaclear.com — prefix rtc- */
:root{
  --ink:#152A2C;
  --ink-soft:#4E6668;
  --teal:#1A828C;
  --teal-dark:#125D64;
  --teal-light:#A8D6DA;
  --cream:#F2FAFA;
  --cream-2:#D9EEF0;
  --line:rgba(21,42,44,.14);
  --white:#FFFFFF;
  --good:#2F7A4F;
  --warn:#8A5A15;
  --radius:20px;
  --shadow:0 18px 40px -18px rgba(21,42,44,.28);
  --font-head:'Manrope',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);
  font-size:18px;line-height:1.65;overflow-x:clip;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.22;margin:0 0 .5em;font-weight:800}
h1{font-size:clamp(2.1rem,4.2vw,3.15rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.45rem}
h4{font-size:1.14rem;margin-bottom:.4em}
p{margin:0 0 1em}
a{color:var(--teal-dark)}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
.rtc-wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.rtc-sec{padding:76px 0}
.rtc-sec-blush{background:var(--cream)}
.rtc-sec-dark{background:linear-gradient(160deg,#152A2C,#204245);color:#D6EBEC}
.rtc-sec-dark h2,.rtc-sec-dark h3{color:#fff}
.rtc-sec-dark p{color:#A9C7C9}
.rtc-logo,.rtc-links a,.rtc-btn,.rtc-btn-ghost,.rtc-foot-nav a,.rtc-foot-legal a,.rtc-rel a{text-decoration:none}

.rtc-strip{background:var(--ink);color:#D6EBEC;font-size:14px;padding:9px 0;display:flex;gap:28px;justify-content:center;flex-wrap:wrap;text-align:center}
.rtc-strip b{color:#fff}

.rtc-nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.rtc-nav .rtc-wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.rtc-logo{font-family:var(--font-head);font-weight:800;font-size:1.5rem;color:var(--ink)}
.rtc-logo em{font-style:normal;color:var(--teal)}
.rtc-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.rtc-links a{color:var(--ink);font-weight:600;font-size:15px}
.rtc-links a:hover{color:var(--teal-dark)}
.rtc-toggle{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}
@media(max-width:860px){
  .rtc-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:16px 24px 22px;border-bottom:1px solid var(--line);display:none;gap:14px}
  .rtc-links.open{display:flex}
  .rtc-toggle{display:block}
}

.rtc-btn{display:inline-block;background:var(--teal-dark);color:#fff;font-weight:700;padding:14px 26px;border-radius:12px;box-shadow:0 12px 26px -10px rgba(18,93,100,.55);transition:transform .15s ease,box-shadow .15s ease}
.rtc-btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(18,93,100,.65)}
.rtc-btn-ghost{display:inline-block;border:2px solid var(--ink);color:var(--ink);font-weight:700;padding:12px 24px;border-radius:12px}
.rtc-btn-ghost:hover{background:var(--cream-2)}
.rtc-btn-full{width:100%;text-align:center}
.rtc-mid{text-align:center}

.rtc-hero{padding:44px 0 10px;background:radial-gradient(1100px 480px at 85% -10%,#E3F4F5 0%,transparent 60%),var(--white)}
.rtc-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:start}
@media(max-width:940px){.rtc-hero-grid{grid-template-columns:1fr}}
.rtc-pill{display:inline-block;background:var(--cream-2);color:var(--teal-dark);font-weight:700;font-size:14px;padding:8px 16px;border-radius:999px}
.rtc-hero-copy h1{margin-top:16px}
.rtc-hero-copy em{font-style:normal;color:var(--teal-dark)}
.rtc-answer{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin:20px 0}
.rtc-answer .tag{display:inline-block;background:var(--teal-dark);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:4px 10px;border-radius:8px;margin-bottom:10px}
.rtc-answer p{margin-bottom:.7em;color:var(--ink-soft)}
.rtc-answer p.first{color:var(--ink);font-weight:600}
.rtc-facts{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}
.rtc-facts li{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:700;color:var(--ink)}
.rtc-check{margin:20px 0;display:flex;flex-direction:column;gap:10px}
.rtc-check li{position:relative;padding-left:28px;color:var(--ink-soft)}
.rtc-check li::before{content:'✓';position:absolute;left:0;top:0;color:var(--good);font-weight:800}
.rtc-check li.warn::before{content:'!';color:var(--warn)}
.rtc-figures{display:flex;gap:30px;margin:24px 0}
.rtc-figures div{display:flex;flex-direction:column}
.rtc-figures b{font-family:var(--font-head);font-size:2rem;color:var(--teal-dark)}
.rtc-figures span{font-size:13px;color:var(--ink-soft)}
.rtc-hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 18px}
.rtc-hero-trust{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft)}
.rtc-hero-trust span::before{content:'• '}
.rtc-hero-trust span:first-child::before{content:''}
.rtc-hero-shot{display:flex;justify-content:center}
.rtc-hero-card{background:var(--cream);border:1px solid var(--line);border-radius:28px;padding:26px;width:100%;max-width:380px;box-shadow:var(--shadow)}
.rtc-hero-card img{margin:0 auto 18px;max-height:340px;object-fit:contain}
.rtc-hero-card .rtc-facts{justify-content:center}

/* hero diagram — eye focus rings, illustrative */
.rtc-diagram{margin-top:20px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}
.rtc-diagram h5{font-family:var(--font-body);font-weight:800;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-dark);margin:0 0 10px;text-align:center}
.rtc-ring{opacity:0;transform:scale(.6);transition:opacity .5s ease,transform .5s cubic-bezier(.34,1.56,.64,1)}
.is-in .rtc-ring{opacity:1;transform:scale(1)}
.rtc-diagram .cap{font-size:11px;color:#7C9496;text-align:center;margin-top:10px;font-style:italic}

.rtc-head{max-width:720px;margin:0 auto 40px;text-align:center}
.rtc-eyebrow{display:inline-block;font-weight:800;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-dark);margin-bottom:10px}
.rtc-head p{color:var(--ink-soft)}

.rtc-grid{display:grid;gap:22px}
.rtc-g2{grid-template-columns:repeat(2,1fr)}
.rtc-g3{grid-template-columns:repeat(3,1fr)}
.rtc-g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.rtc-g4{grid-template-columns:repeat(2,1fr)}.rtc-g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.rtc-g4,.rtc-g3,.rtc-g2{grid-template-columns:1fr}}
.rtc-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;min-width:0}
.rtc-card p{color:var(--ink-soft);margin-bottom:0}
.rtc-card-badge{text-align:center}
.rtc-card-badge img{width:44px;height:auto;margin:0 auto 14px;object-fit:contain}
.rtc-idx{width:34px;height:34px;border-radius:10px;background:var(--cream-2);color:var(--teal-dark);font-family:var(--font-head);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.rtc-idx-v{background:var(--teal-dark);color:#fff}

.rtc-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
@media(max-width:900px){.rtc-split{grid-template-columns:1fr}}
.rtc-split-copy p{color:var(--ink-soft)}
.rtc-callout{background:var(--cream);border-left:4px solid var(--teal-dark);border-radius:12px;padding:16px 20px;font-size:15px;color:var(--ink-soft)}
.rtc-callout b{color:var(--ink)}

.rtc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:760px){.rtc-list{grid-template-columns:1fr}}
.rtc-list li{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal-dark);border-radius:14px;padding:18px 20px;color:var(--ink-soft)}
.rtc-list li b{display:block;color:var(--ink);margin-bottom:4px;font-family:var(--font-head)}

.rtc-rev-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.rtc-rev-head img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}
.rtc-rev-name{font-weight:800;color:var(--ink)}
.rtc-rev-sub{font-size:13px;color:var(--ink-soft)}
.rtc-stars{color:#D8A21B;letter-spacing:2px;margin-bottom:8px}
.rtc-board{display:flex;justify-content:center;gap:48px;margin-top:34px;flex-wrap:wrap}
.rtc-board div{text-align:center}
.rtc-board b{display:block;font-family:var(--font-head);font-size:1.8rem;color:var(--teal-dark)}
.rtc-board span{font-size:13px;color:var(--ink-soft)}

.rtc-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
@media(max-width:900px){.rtc-plans{grid-template-columns:1fr}}
.rtc-plan{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px 24px;text-align:center;position:relative;min-width:0}
.rtc-plan.top{border:2px solid var(--teal-dark);box-shadow:var(--shadow);transform:translateY(-8px)}
@media(max-width:900px){.rtc-plan.top{transform:none}}
.rtc-badge{display:inline-block;background:var(--teal-dark);color:#fff;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;padding:6px 14px;border-radius:999px;margin-bottom:14px}
.rtc-badge-plum{background:var(--ink)}
.rtc-plan img.pk{max-width:170px;margin:0 auto 16px}
.rtc-plan-ttl{font-family:var(--font-head);font-weight:800;font-size:1.3rem;color:var(--ink)}
.rtc-plan-sub{font-size:13px;color:var(--ink-soft);margin-bottom:10px}
.rtc-plan-price{font-family:var(--font-head);font-size:2.4rem;font-weight:800;color:var(--ink)}
.rtc-plan-price small{font-size:.9rem;font-weight:500;color:var(--ink-soft)}
.rtc-plan-was{color:#9CC0C3;text-decoration:line-through;font-size:14px;margin-top:2px}
.rtc-plan-tot{font-weight:800;margin:6px 0 2px}
.rtc-plan-ship{color:var(--good);font-weight:700;font-size:14px;margin-bottom:14px}
.rtc-plan-ship.pay{color:var(--ink-soft);font-weight:600}
.rtc-plan ul{margin:16px 0;text-align:left;display:flex;flex-direction:column;gap:8px}
.rtc-plan ul li{position:relative;padding-left:24px;font-size:14.5px;color:var(--ink-soft)}
.rtc-plan ul li::before{content:'✓';position:absolute;left:0;color:var(--good);font-weight:800}
.rtc-plan img.cards{max-width:200px;margin:14px auto 0}

.rtc-flag{background:#D9EEF0;border:1px solid #A9D6DA;border-radius:14px;padding:18px 22px;color:#125D64}
.rtc-flag b{color:#0B3E43}

.rtc-guar{display:grid;grid-template-columns:.5fr 1fr;gap:44px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px}
@media(max-width:820px){.rtc-guar{grid-template-columns:1fr;padding:30px}}
.rtc-guar p{color:var(--ink-soft)}

.rtc-narrow{max-width:800px;margin:0 auto}
.rtc-steps{display:flex;flex-direction:column;gap:14px}
.rtc-step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;align-items:flex-start}
.rtc-step .n{width:36px;height:36px;border-radius:50%;background:var(--teal-dark);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--font-head)}
.rtc-step h4{margin-bottom:4px}
.rtc-step p{color:var(--ink-soft);margin:0}

.rtc-table{width:100%;border-collapse:collapse;margin-top:10px}
.rtc-table th,.rtc-table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:15px}
.rtc-table th{font-family:var(--font-head);color:var(--ink);font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.rtc-table td{color:var(--ink-soft)}

.rtc-faq-row{border-bottom:1px solid var(--line)}
.rtc-faq-btn{width:100%;text-align:left;background:none;border:0;padding:20px 0;font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px}
.rtc-faq-btn::after{content:'+';font-size:22px;color:var(--teal-dark);flex-shrink:0;transition:transform .2s ease}
.rtc-faq-btn[aria-expanded="true"]::after{transform:rotate(45deg)}
.rtc-faq-body{max-height:0;overflow:hidden;transition:max-height .25s ease}
.rtc-faq-body p{color:var(--ink-soft);padding-bottom:18px;margin:0}

.rtc-refs li{border-bottom:1px solid var(--line);padding:14px 0}
.rtc-refs a{font-weight:700;color:var(--teal-dark)}

.rtc-rel{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:800px){.rtc-rel{grid-template-columns:1fr}}
.rtc-rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.rtc-rel a:hover{border-color:var(--teal-dark)}
.rtc-rel b{display:block;color:var(--ink);font-family:var(--font-head);margin-bottom:6px}
.rtc-rel span{font-size:14px;color:var(--ink-soft)}

.rtc-final{background:linear-gradient(160deg,#152A2C,#204245);border-radius:28px;padding:56px 32px;text-align:center;color:#fff}
.rtc-final h2{color:#fff}
.rtc-final p{color:#A9C7C9}
.rtc-final img{margin:0 auto 18px}
.rtc-final .old{text-decoration:line-through;color:#6E8B8D}
.rtc-final .new{font-family:var(--font-head);font-size:1.8rem;color:#9EE0E6;margin-bottom:18px}
.rtc-final .sm{font-size:13px;color:#8FADAF;margin-top:14px}

.rtc-pay{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;text-align:center}
.rtc-pay img{max-height:40px;width:auto}

.rtc-foot{background:var(--ink);color:#A9C7C9;padding:52px 0 30px}
.rtc-foot-nav,.rtc-foot-legal{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin-bottom:16px}
.rtc-foot-nav a,.rtc-foot-legal a{color:#D6EBEC;font-weight:600;font-size:14.5px}
.rtc-foot-legal a{color:#A9C7C9;font-weight:500}
.rtc-foot hr{border:none;border-top:1px solid rgba(255,255,255,.14);margin:22px 0}
.rtc-foot p{font-size:14px;color:#BDD8D9;max-width:920px;margin:0 auto 14px}
.rtc-foot b{color:#D6EBEC}
.rtc-foot .cr{text-align:center;font-size:13px;color:#7C9496;margin-top:18px}

.rtc-sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;border-top:1px solid var(--line);box-shadow:0 -10px 24px -14px rgba(21,42,44,.3);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;transform:translateY(0);transition:transform .25s ease}
.rtc-sticky.hide{transform:translateY(110%)}
.rtc-sticky .t b{display:block;color:var(--ink)}
.rtc-sticky .t small{color:var(--ink-soft)}
@media(min-width:860px){.rtc-sticky{display:none}}

[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;transition:none}}

.rtc-chart{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.rtc-chart svg{width:100%;height:auto;display:block}
.rtc-chart-bar{transform-box:fill-box;transform-origin:bottom;transform:scaleY(0);transition:transform .9s cubic-bezier(.2,.7,.3,1)}
.is-in .rtc-chart-bar{transform:scaleY(1)}
.rtc-chart .cap{font-size:12px;color:#7C9496;margin-top:10px;font-style:italic}
@media(prefers-reduced-motion:reduce){.rtc-chart-bar{transition:none;transform:scaleY(1)}}

.rtc-legal-body{font-family:var(--font-body);color:var(--ink);max-width:820px;margin:0 auto;padding:50px 24px 80px;line-height:1.7}
.rtc-legal-nav{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid var(--line)}
.rtc-legal-nav a{font-family:var(--font-head);font-weight:800;color:var(--ink)}
.rtc-legal-body h1{margin-bottom:.3em}
.rtc-legal-body h2{font-size:1.3rem;margin-top:1.6em}
.rtc-legal-body p,.rtc-legal-body li{color:var(--ink-soft)}
.rtc-legal-body .updated{color:#7C9496;font-size:14px;margin-bottom:2em}

.rtc-blog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.rtc-blog-hero{padding:50px 0 10px}
.rtc-post-body p,.rtc-post-body li{color:var(--ink-soft)}
.rtc-post-body h2{margin-top:1.4em}
.rtc-progress{position:fixed;top:0;left:0;height:3px;background:var(--teal-dark);z-index:60;width:0%}

.rtc-exit{position:fixed;inset:0;background:rgba(21,42,44,.6);display:none;align-items:center;justify-content:center;z-index:70;padding:20px}
.rtc-exit.open{display:flex}
.rtc-exit-card{background:#fff;border-radius:18px;max-width:420px;width:100%;padding:34px 30px;text-align:center;position:relative}
.rtc-exit-close{position:absolute;top:14px;right:18px;background:none;border:0;font-size:22px;color:var(--ink-soft);cursor:pointer}
.rtc-exit-card h3{margin-bottom:10px}
.rtc-exit-card p{color:var(--ink-soft)}

.rtc-totop{display:none;position:fixed;right:22px;bottom:90px;width:46px;height:46px;border-radius:50%;background:var(--teal-dark);color:#fff;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow);z-index:45;font-size:18px}
@media(min-width:860px){.rtc-totop{bottom:28px}}

.rtc-404{text-align:center;padding:110px 24px}