:root{--ink:#0b2a30;--teal:#0c5460;--teal2:#116d7c;--sky:#3aa8d8;--mist:#eef6f8;--line:#d2e3e8;--text:#2b4349;--muted:#5d7379;--coral:#e4452f;--coral-d:#c93822;--warn:#fff3e0;--warn-b:#eeb25a;--r:14px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:'Source Sans 3',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--text);background:#fff;line-height:1.72;font-size:18px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal2)}
h1,h2,h3{font-family:'Epilogue',system-ui,sans-serif;color:var(--ink);line-height:1.12;font-weight:800;letter-spacing:-.025em}
h1{font-size:clamp(2.2rem,5vw,3.7rem)}
h2{font-size:clamp(1.75rem,3.4vw,2.5rem);margin-bottom:.7rem}
h3{font-size:1.2rem;margin-bottom:.4rem;font-weight:700}
p+p{margin-top:1rem}
.wrap{width:min(1140px,92%);margin-inline:auto}
.narrow{width:min(780px,92%);margin-inline:auto}
section{padding:clamp(54px,8vw,96px) 0}
.lead{font-size:1.15rem;color:var(--muted);max-width:64ch}
.c{text-align:center}.c .lead{margin-inline:auto}
:focus-visible{outline:3px solid var(--coral);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;background:#fff;padding:10px 16px;z-index:100}.skip:focus{left:8px;top:8px}
.bar{background:var(--ink);color:#c9e0e4;text-align:center;font-size:.92rem;padding:9px 12px}.bar b{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Epilogue',sans-serif;font-weight:800;font-size:1.35rem;color:var(--ink);text-decoration:none;letter-spacing:-.03em}
.logo i{font-style:normal;color:var(--sky)}
.nav ul{display:flex;gap:26px;list-style:none;align-items:center}
.nav a.l{color:var(--text);text-decoration:none;font-weight:600;font-size:.95rem}.nav a.l:hover{color:var(--teal2)}
.btn{display:inline-block;background:var(--coral);color:#fff;font-weight:800;text-decoration:none;padding:16px 32px;border-radius:10px;border:0;cursor:pointer;font-size:1.05rem;font-family:'Epilogue',sans-serif;transition:background .2s,transform .2s;box-shadow:0 8px 20px rgba(228,69,47,.32)}
.btn:hover{background:var(--coral-d);transform:translateY(-2px)}
.btn.sm{padding:10px 20px;font-size:.92rem;box-shadow:none}
.btn.w{width:100%;text-align:center}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;font:inherit}
.hero{position:relative;color:#d9eef2;background:linear-gradient(100deg,rgba(7,32,38,.96) 0%,rgba(10,64,74,.92) 48%,rgba(10,64,74,.55) 100%),url('assets/glass.webp') center/cover;padding:clamp(50px,7vw,96px) 0}
.hero .g{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{color:#fff}
.hero .lead{color:#b9d7dd;margin:22px 0 30px}
.tag{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#e5f4f7;font-weight:600;font-size:.86rem;padding:6px 14px;border-radius:999px;margin-bottom:20px}
.row{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.row a.t{color:#d9eef2}
.assure{display:flex;gap:10px 24px;flex-wrap:wrap;margin-top:26px;list-style:none;font-size:.95rem;color:#b9d7dd}
.assure li::before{content:"✓";color:#7fd2f2;font-weight:800;margin-right:8px}
.hero figure{position:relative}
.hero figure img{width:100%;filter:drop-shadow(0 26px 38px rgba(0,0,0,.45))}
.hero figcaption{position:absolute;top:2%;right:0;background:#fff;color:var(--ink);font-weight:700;font-size:.8rem;padding:7px 14px;border-radius:999px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.strip{background:var(--mist);border-bottom:1px solid var(--line);padding:26px 0}
.strip ul{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none;text-align:center}
.strip b{display:block;font-family:'Epilogue',sans-serif;color:var(--ink);font-size:1rem}
.strip span{font-size:.9rem;color:var(--muted)}
.alt{background:var(--mist)}
.sec-head{margin-bottom:44px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.photos{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.photos img{border-radius:var(--r);width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;box-shadow:0 14px 34px rgba(11,42,48,.18)}
.photos img:nth-child(2){margin-top:34px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;border-top:5px solid var(--sky)}
.card.on{border-top-color:var(--coral)}
.card p{font-size:.96rem;color:var(--muted)}
.card small{display:block;font-weight:700;color:var(--teal2);font-size:.82rem;margin-bottom:6px}
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:34px}
.diagram svg{width:100%;height:auto;display:block}
.pts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.checks{list-style:none;margin-top:20px;display:grid;gap:12px}
.checks li{padding-left:32px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:3px;width:22px;height:22px;border-radius:50%;background:var(--teal);color:#fff;font-size:.78rem;display:grid;place-items:center;font-weight:700}
table.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:.97rem}
.cmp th,.cmp td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp thead th{background:var(--teal);color:#fff;font-family:'Epilogue',sans-serif}
.cmp tbody th{color:var(--ink);width:24%}
.scroll{overflow-x:auto}
.notice{background:var(--warn);border:2px solid var(--warn-b);border-radius:var(--r);padding:32px}
.notice h2{font-size:1.75rem}.notice ul{margin:14px 0 0 20px;display:grid;gap:10px}
.steps{display:grid;gap:14px;max-width:820px;margin:auto;counter-reset:s}
.step{display:grid;grid-template-columns:52px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;align-items:start}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--teal);color:#fff;font-family:'Epilogue',sans-serif;font-weight:800;grid-row:span 2}
.step h3{margin:0;font-size:1.1rem}.step p{font-size:.96rem;color:var(--muted);margin:0}
.bonusimg{max-width:min(560px,100%);margin:0 auto 34px}
.offer{background:linear-gradient(180deg,var(--mist),#dcecf1)}
.box{max-width:940px;margin:auto;background:#fff;border:2px solid var(--teal);border-radius:20px;overflow:hidden;box-shadow:0 24px 60px rgba(12,84,96,.2)}
.box .top{background:linear-gradient(135deg,#0a3f49,#0c5460);padding:28px;display:grid;place-items:center}
.box .top img{max-width:520px;width:100%}
.box .in{padding:34px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px}
.price{font-family:'Epilogue',sans-serif;font-size:3.5rem;font-weight:800;color:var(--ink);line-height:1}
.price small{display:block;font-family:'Source Sans 3',sans-serif;font-size:.95rem;font-weight:400;color:var(--muted);margin-top:8px}
.note{font-size:.87rem;color:var(--muted);text-align:center;margin-top:20px}
.guar{display:grid;grid-template-columns:190px 1fr;gap:36px;align-items:center;max-width:820px;margin:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:700;color:var(--ink);padding:20px 30px 20px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--teal2);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding-bottom:20px;color:var(--muted)}
.final{background:var(--teal);color:#fff;text-align:center}.final h2{color:#fff}.final p{color:#cfe8ed;max-width:60ch;margin:12px auto 28px}
footer{background:#071e23;color:#9ab6bc;padding:56px 0 110px;font-size:.88rem}
footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;margin-bottom:28px}
footer a{color:#d3e8ec;text-decoration:none}footer a:hover{text-decoration:underline}
footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;max-width:620px}
footer .logo{color:#fff}
footer .legal p{margin-top:12px;line-height:1.6}
.sticky{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 4%;display:none;z-index:40;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 20px rgba(0,0,0,.08)}
.sticky span{font-weight:700;color:var(--ink);font-size:.95rem}
.doc{padding:56px 0 80px}.doc h1{font-size:clamp(2rem,4vw,2.7rem);margin-bottom:6px}.doc .upd{color:var(--muted);margin-bottom:30px}
.doc h2{font-size:1.45rem;margin:32px 0 8px}.doc p,.doc li{color:#2b4349}.doc ul{margin:10px 0 0 22px;display:grid;gap:6px}
.doc .callout{background:var(--warn);border-left:4px solid var(--warn-b);padding:16px 20px;border-radius:8px;margin:20px 0}
@media(max-width:960px){
.hero .g,.split,.box .in{grid-template-columns:1fr}
.hero{background:linear-gradient(180deg,rgba(7,32,38,.95),rgba(10,64,74,.92)),url('assets/glass.webp') center/cover}
.hero figure{max-width:520px;margin-inline:auto}
.strip ul{grid-template-columns:1fr 1fr}
.cards,.cards.three,.pts{grid-template-columns:1fr 1fr}
.nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 0;border-bottom:1px solid var(--line);gap:16px}
.nav ul.open{display:flex}.menu-btn{display:block}.sticky{display:flex}}
@media(max-width:620px){body{font-size:17px}.cards,.cards.three,.pts{grid-template-columns:1fr}.guar{grid-template-columns:1fr;text-align:center}.guar img{margin:auto;width:150px}.price{font-size:3rem}.photos img:nth-child(2){margin-top:0}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* inner pages */
.crumbs{font-size:.88rem;color:var(--muted);padding:18px 0 0}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px}.crumbs li+li::before{content:"/";margin-right:8px;color:var(--line)}
.phero{background:linear-gradient(100deg,#072026,#0a4048);color:#d9eef2;padding:clamp(36px,5vw,64px) 0}.phero h1{color:#fff;font-size:clamp(2rem,4.4vw,3.1rem)}.phero .lead{color:#b9d7dd;margin-top:16px}.phero .crumbs{color:#9ec3ca;padding:0 0 18px}.phero .crumbs a{color:#d9eef2}
.art{padding:clamp(36px,5vw,64px) 0}.art h2{font-size:clamp(1.45rem,2.6vw,1.9rem);margin:2.2rem 0 .6rem}.art h3{margin-top:1.4rem}.art ul,.art ol{margin:12px 0 0 22px;display:grid;gap:8px}
.facts{background:var(--mist);border:1px solid var(--line);border-left:5px solid var(--teal);border-radius:var(--r);padding:22px 26px;margin:0 0 28px}.facts h2{margin:0 0 .5rem!important;font-size:1.2rem!important}.facts p{font-size:1rem}
.disc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:.95rem;color:var(--muted);margin:0 0 24px}
.notice.sm{padding:22px 26px;margin:24px 0}.notice.sm h2,.notice.sm h3{margin:0 0 .4rem;font-size:1.2rem}
.cta{background:var(--teal);color:#fff;border-radius:var(--r);padding:28px;text-align:center;margin:34px 0}.cta h2{color:#fff;margin:0 0 .4rem!important;font-size:1.5rem!important}.cta p{color:#cfe8ed;margin:0 0 18px}
.rel{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0}.rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;text-decoration:none;color:var(--ink);font-weight:700}.rel a span{display:block;font-weight:400;font-size:.9rem;color:var(--muted);margin-top:4px}.rel a:hover{border-color:var(--teal2)}
.refs li{font-size:.95rem}.refs{overflow-wrap:anywhere}
.nav ul.wide{gap:20px}
.art .faq details{background:#fff}
@media(max-width:620px){.art .cmp th,.art .cmp td{padding:12px}}