/*
  Aquamirae Mod — S07 App Showcase redesign
  Visual direction: full-bleed frozen-ocean imagery, editorial overlaps,
  asymmetrical showcase sections, vertical FAQ rail and magazine guides.
*/
:root{
  --ink:#071725;
  --ink-2:#12324a;
  --ink-3:#214e6d;
  --ice:#f4fbff;
  --paper:#ffffff;
  --mist:#e9f6fd;
  --line:#cfe6f3;
  --cyan:#47d7ff;
  --cyan-2:#0bb8ee;
  --blue:#347fd5;
  --blue-2:#1f5fa8;
  --glow:#9eeeff;
  --warm:#ffbe66;
  --good:#1f8a78;
  --danger:#b25c68;
  --muted:#587085;
  --muted-2:#7a91a2;
  --shadow:0 28px 70px rgba(8,49,78,.13);
  --shadow-soft:0 16px 42px rgba(19,63,93,.08);
  --radius:28px;
  --radius-sm:18px;
  --header-h:82px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ice)}
body{
  margin:0;
  color:var(--ink);
  background:
    radial-gradient(circle at 10% 15%,rgba(71,215,255,.12),transparent 26rem),
    radial-gradient(circle at 92% 34%,rgba(52,127,213,.08),transparent 30rem),
    var(--ice);
  font-family:"Poppins","Segoe UI",Arial,sans-serif;
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
main{overflow:hidden}
p{margin:0 0 1rem;color:var(--muted)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.12;letter-spacing:-.032em}
ul,ol{margin-top:0}
::selection{background:#bcefff;color:#07233a}

.container{width:min(1180px,calc(100% - 48px));margin-inline:auto}
.narrow{width:min(930px,calc(100% - 48px));margin-inline:auto}
.section{position:relative;padding:108px 0}
.section-tight{padding-top:38px}
.compact-band{background:transparent;border:0}
.center{text-align:left;max-width:850px}
.center .section-lead{max-width:760px}
.muted{color:var(--muted-2)!important}

.skip-link{position:fixed;left:16px;top:-100px;z-index:9999;background:#fff;color:#071725;padding:11px 16px;border-radius:10px;box-shadow:var(--shadow-soft)}
.skip-link:focus{top:14px}

/* Header — full-width cinematic rail instead of the previous compact bar */
.site-header{
  position:sticky;top:0;z-index:1000;
  min-height:var(--header-h);
  background:rgba(5,22,36,.92);
  border-bottom:1px solid rgba(164,228,255,.14);
  backdrop-filter:blur(18px);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{background:rgba(5,22,36,.97);box-shadow:0 12px 34px rgba(0,20,34,.22)}
.header-inner{min-height:var(--header-h);display:grid;grid-template-columns:auto 1fr;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:-.02em}
.brand img{width:48px;height:48px;object-fit:contain;filter:drop-shadow(0 8px 16px rgba(71,215,255,.2))}
.site-header .brand{color:#fff;white-space:nowrap}
.site-header .brand span{font-size:1rem}
.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px}
.site-nav>a{position:relative;padding:10px 10px;color:#cfe3ef;font-size:.84rem;font-weight:650;white-space:nowrap;transition:.2s ease}
.site-nav>a:not(.nav-download):after{content:"";position:absolute;left:10px;right:10px;bottom:4px;height:2px;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:transform .2s ease}
.site-nav>a:hover,.site-nav>a.active{color:#fff}
.site-nav>a:hover:after,.site-nav>a.active:after{transform:scaleX(1)}
.nav-download{margin-left:10px!important;padding:11px 16px!important;border-radius:999px;color:#042138!important;background:linear-gradient(135deg,var(--glow),var(--cyan));box-shadow:0 10px 26px rgba(71,215,255,.2)}
.nav-download:hover{transform:translateY(-1px);background:#fff!important}
.menu-toggle{display:none;width:48px;height:48px;border:1px solid rgba(255,255,255,.18);border-radius:14px;background:rgba(255,255,255,.06);padding:12px}
.menu-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:4px}

/* Shared typography */
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:.16em;font-size:.74rem;font-weight:800;color:var(--blue-2)}
.eyebrow:before,.section-kicker:before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan-2),var(--blue));border-radius:9px}
.section-title{max-width:880px;margin:12px 0 20px;font-size:clamp(2.15rem,4vw,3.55rem);line-height:1.04}
.section-lead{max-width:820px;font-size:1.08rem;line-height:1.78;color:#587286}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:13px 20px;border:1px solid #c8e1ef;border-radius:14px;background:#fff;color:var(--ink);font-size:.9rem;font-weight:800;box-shadow:0 8px 20px rgba(14,61,92,.08);transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,61,92,.13)}
.btn-primary{border-color:transparent;color:#fff;background:linear-gradient(135deg,var(--blue),var(--cyan-2));box-shadow:0 12px 26px rgba(24,125,194,.22)}
.btn-primary:hover{background:linear-gradient(135deg,var(--blue-2),var(--blue))}
.btn-secondary{background:rgba(255,255,255,.94)}

/* HERO — full-bleed scene with text directly over image; no floating white card */
.hero{
  position:relative;
  min-height:760px;
  display:flex;
  align-items:flex-end;
  padding:0 0 92px;
  color:#fff;
  background-image:
    linear-gradient(180deg,rgba(3,16,27,.12) 0%,rgba(4,19,31,.24) 34%,rgba(4,20,34,.77) 77%,rgba(4,20,34,.95) 100%),
    linear-gradient(90deg,rgba(3,16,27,.78) 0%,rgba(3,16,27,.40) 44%,rgba(3,16,27,.10) 72%),
    url('../images/hero-aquamirae.webp');
  background-size:cover;
  background-position:center 42%;
  isolation:isolate;
}
.hero:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(71,215,255,.12) 1px,transparent 1px),linear-gradient(rgba(71,215,255,.08) 1px,transparent 1px);background-size:90px 90px;mask-image:linear-gradient(to bottom,transparent,rgba(0,0,0,.55));opacity:.45}
.hero .container{position:relative;z-index:1}
.hero-shell{position:relative;min-height:500px;display:flex;align-items:flex-end;padding-bottom:30px}
.hero-copy{max-width:730px;padding:0;background:transparent;border:0;box-shadow:none;backdrop-filter:none}
.hero .eyebrow{color:#9eeeff}
.hero .eyebrow:before{background:#9eeeff}
.hero h1{max-width:760px;margin:14px 0 20px;color:#fff;font-size:clamp(2.8rem,5.3vw,5rem);line-height:.98;letter-spacing:-.055em;text-shadow:0 5px 25px rgba(0,0,0,.28)}
.hero p{max-width:720px;font-size:1.08rem;line-height:1.72;color:#d7e9f5;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero .btn-secondary{background:rgba(7,28,46,.44);border-color:rgba(255,255,255,.28);color:#fff;box-shadow:none;backdrop-filter:blur(8px)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.12)}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.chip{padding:8px 11px;border:1px solid rgba(188,236,255,.28);border-radius:999px;background:rgba(7,28,46,.45);color:#def6ff;font-size:.76rem;font-weight:700;backdrop-filter:blur(8px)}
.hero-float{position:absolute;right:0;bottom:30px;width:310px;padding:18px 19px;border-left:3px solid var(--cyan);background:rgba(5,24,40,.68);backdrop-filter:blur(10px);box-shadow:0 15px 34px rgba(0,0,0,.16)}
.hero-float strong{display:block;color:#fff;font-size:.92rem}
.hero-float span{display:block;margin-top:5px;color:#bfdaea;font-size:.82rem;line-height:1.55}
.quick-strip{position:absolute;left:0;right:0;bottom:-50px}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;border-radius:22px;background:#fff;box-shadow:0 22px 60px rgba(5,40,67,.22);border:1px solid rgba(190,225,242,.8)}
.quick-item{min-height:100px;padding:20px 23px;border-right:1px solid #dcecf5;background:#fff}
.quick-item:last-child{border-right:0}
.quick-item strong{display:block;color:var(--ink);font-size:.84rem}
.quick-item span{display:block;margin-top:5px;color:var(--muted);font-size:.8rem;line-height:1.5}

/* ABOUT — editorial overlap */
#about{padding-top:150px}
.about-layout{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);align-items:center;gap:0}
.media-card{position:relative;overflow:hidden;min-height:520px;border-radius:0 38px 38px 0;background:#dff4ff;box-shadow:var(--shadow)}
.media-card:before{content:"ICE MAZE / SHIP GRAVEYARD";position:absolute;left:18px;top:18px;z-index:2;padding:8px 10px;border-radius:8px;background:rgba(5,26,43,.78);color:#fff;font-size:.62rem;font-weight:800;letter-spacing:.13em}
.media-card img{width:100%;height:100%;min-height:520px;object-fit:cover}
.about-copy{position:relative;z-index:2;margin-left:-70px;padding:52px 48px;border-radius:28px 0 28px 28px;background:rgba(255,255,255,.97);box-shadow:var(--shadow);border-top:4px solid var(--cyan)}
.about-copy .section-title{font-size:clamp(2rem,3.25vw,3rem)}
.fact-row{display:grid;grid-template-columns:1fr;gap:0;margin-top:28px;border-top:1px solid var(--line)}
.fact{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:15px 0;border-bottom:1px solid var(--line)}
.fact strong{color:var(--ink);font-size:.84rem}
.fact span{color:var(--muted);font-size:.82rem}

/* FEATURES — indexed showcase rows, not generic cards */
#features{padding-block:120px;background:#fff}
#features:before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(180deg,var(--cyan),var(--blue))}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:54px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.feature-card{position:relative;display:grid;grid-template-columns:74px 1fr;column-gap:20px;align-content:start;min-height:230px;padding:34px 34px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;transition:background .2s ease}
.feature-card:hover{background:#f3fbff}
.icon-box{grid-row:1 / span 2;display:flex;align-items:flex-start;justify-content:flex-start;width:auto;height:auto;border:0;background:transparent;color:#a7c8dc;font-size:2.7rem;font-weight:900;line-height:1;letter-spacing:-.08em}
.feature-card h3{margin:1px 0 9px;font-size:1.2rem}
.feature-card p{margin:0;font-size:.92rem;line-height:1.7}
.feature-card:after{content:"";position:absolute;left:0;top:0;width:0;height:4px;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .25s ease}
.feature-card:hover:after{width:100%}

/* HOW IT WORKS — dark expedition timeline */
#how-it-works{padding-block:118px;background:linear-gradient(135deg,#061a2b 0%,#0b2c46 60%,#0a3854 100%);color:#fff}
#how-it-works .section-kicker{color:#8be8ff}
#how-it-works .section-kicker:before{background:#8be8ff}
#how-it-works .section-title{color:#fff;max-width:720px}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:54px;border-top:1px solid rgba(178,230,255,.2)}
.step{position:relative;min-height:280px;padding:34px 28px 30px 0;background:transparent;border:0;border-radius:0;box-shadow:none}
.step:not(:last-child){border-right:1px solid rgba(178,230,255,.16);padding-right:28px;margin-right:28px}
.step .num{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-bottom:32px;border-radius:50%;border:1px solid #73dcff;color:#9eeeff;font-size:.8rem;font-weight:800;box-shadow:0 0 0 8px rgba(71,215,255,.06)}
.step h3{color:#fff;font-size:1.15rem;margin-bottom:10px}
.step p{color:#b9d1df;font-size:.9rem;line-height:1.7}

/* COMPATIBILITY */
#compatibility{background:linear-gradient(180deg,#f4fbff,#eaf7fd)}
.compat-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:36px;align-items:stretch}
.compat-table{margin-top:34px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
.compat-row{display:grid;grid-template-columns:.75fr .85fr 1.4fr;gap:18px;padding:18px 20px;border-bottom:1px solid #e4f0f6;align-items:center;font-size:.88rem}
.compat-row:first-child{background:#0b2a43;color:#e9f9ff;font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.compat-row:last-child{border-bottom:0}
.status{display:inline-flex;align-items:center;gap:7px;color:#365e76}
.status:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 4px rgba(31,138,120,.1)}
.status.no:before{background:var(--danger);box-shadow:0 0 0 4px rgba(178,92,104,.1)}
.compat-note{display:flex;flex-direction:column;justify-content:flex-end;padding:34px;border-radius:0 32px 0 32px;background:linear-gradient(155deg,#123a58,#071d30);color:#fff;box-shadow:var(--shadow)}
.compat-note:before{content:"01 / COMPATIBILITY";margin-bottom:auto;color:#6cdfff;font-size:.68rem;font-weight:800;letter-spacing:.16em}
.compat-note h3{margin-top:70px;color:#fff;font-size:1.45rem}
.compat-note p{color:#c5dcea;font-size:.9rem;line-height:1.72}
.compat-note .btn{align-self:flex-start;margin-top:12px}

/* DOWNLOAD — visual band with the image as a full section canvas */
#download{padding-block:70px;background:#fff}
.download-wrap{position:relative;min-height:570px;display:grid;grid-template-columns:1fr 1fr;align-items:stretch;overflow:hidden;border-radius:34px;background:#061b2d;box-shadow:0 34px 80px rgba(4,34,57,.2)}
.download-image{position:absolute;inset:0;z-index:0}
.download-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,34,.18) 0%,rgba(4,20,34,.42) 36%,rgba(4,20,34,.93) 62%,rgba(4,20,34,.97) 100%)}
.download-image img{width:100%;height:100%;object-fit:cover}
.download-copy{position:relative;z-index:1;grid-column:2;padding:64px 56px;color:#fff}
.download-copy .section-kicker{color:#85e5ff}
.download-copy .section-kicker:before{background:#85e5ff}
.download-copy .section-title{color:#fff;font-size:clamp(2.15rem,3.6vw,3.25rem)}
.download-copy p{color:#c8ddea}
.download-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}
.download-fact{padding:15px 16px;border-top:1px solid rgba(154,225,255,.3);background:rgba(255,255,255,.05)}
.download-fact strong{display:block;color:#fff;font-size:.78rem}
.download-fact span{display:block;margin-top:4px;color:#9ac9df;font-size:.8rem}
.download-copy>.btn{border:0;background:linear-gradient(135deg,#a9efff,#47d7ff);color:#07243a;box-shadow:none}
.source-note{margin-top:16px!important;font-size:.8rem!important}

/* USE CASES — editorial lanes */
#use-cases{background:#f6fbfe}
.use-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:46px;counter-reset:usecase}
.mini-card{position:relative;min-height:190px;padding:30px 28px 28px 84px;border:0;border-radius:0;background:#fff;box-shadow:var(--shadow-soft);counter-increment:usecase}
.mini-card:before{content:"0" counter(usecase);position:absolute;left:26px;top:27px;color:#9ac2d8;font-size:1.1rem;font-weight:900}
.mini-card:after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--cyan),var(--blue))}
.mini-card h3{font-size:1.18rem;margin-bottom:10px}
.mini-card p{font-size:.92rem;line-height:1.7}

/* INSTALLATION — step rail */
#installation{background:#fff}
.setup-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px;align-items:start}
.setup-note{position:sticky;top:120px;padding:0 0 0 28px;border-left:4px solid var(--cyan);background:transparent}
.setup-note h2{margin:12px 0 16px;font-size:clamp(2rem,3.4vw,3.1rem)}
.setup-note p{font-size:1rem;line-height:1.75}
.setup-note .btn{margin-top:10px}
.setup-list{position:relative;padding-left:42px}
.setup-list:before{content:"";position:absolute;left:17px;top:16px;bottom:16px;width:1px;background:linear-gradient(var(--cyan),#bcddea)}
.setup-item{position:relative;display:grid;grid-template-columns:46px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.setup-item:last-child{border-bottom:0}
.setup-item>span{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;width:36px;height:36px;margin-left:-42px;border-radius:50%;background:#071f32;color:#fff;font-size:.78rem;font-weight:800;box-shadow:0 0 0 7px #fff}
.setup-item h3{font-size:1.08rem;margin:2px 0 6px}
.setup-item p{font-size:.9rem;line-height:1.65;margin:0}

/* SAFETY */
#safety{background:linear-gradient(135deg,#e9f8ff,#f8fcff)}
.safety-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
.safety-card{position:relative;min-height:205px;padding:54px 28px 28px;border:1px solid #d7eaf4;border-radius:26px 8px 26px 8px;background:rgba(255,255,255,.92)}
.safety-card:before{content:"";position:absolute;top:28px;left:28px;width:34px;height:3px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.safety-card strong{display:block;color:var(--ink);font-size:1.08rem}
.safety-card p{margin-top:9px;font-size:.9rem;line-height:1.7}

/* PROS / CONS — split editorial board */
#pros-cons{background:#fff}
.pc-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:42px;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.pros,.cons{position:relative;padding:42px 38px 38px}
.pros{background:#f4fcfa}
.cons{background:#fff9fa;border-left:1px solid var(--line)}
.pros:before,.cons:before{position:absolute;right:28px;top:22px;font-size:3.2rem;font-weight:900;line-height:1;color:rgba(31,138,120,.10)}
.pros:before{content:"+"}
.cons:before{content:"–";color:rgba(178,92,104,.10)}
.pros h3,.cons h3{font-size:1.35rem;margin-bottom:20px}
.clean-list{padding:0;list-style:none}
.clean-list li{position:relative;padding:13px 0 13px 30px;border-bottom:1px solid rgba(130,165,181,.18);color:#536c7e;font-size:.9rem}
.clean-list li:last-child{border-bottom:0}
.clean-list li:before{content:"";position:absolute;left:0;top:22px;width:12px;height:2px;background:var(--good)}
.cons .clean-list li:before{background:var(--danger)}

/* RELEASE INFO */
#release-info{background:#071d30;color:#fff}
#release-info .section-kicker{color:#7ee5ff}
#release-info .section-kicker:before{background:#7ee5ff}
#release-info .section-title{color:#fff}
.release-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:44px 0 24px}
.release-card{padding:30px;border:1px solid rgba(165,222,248,.18);background:rgba(255,255,255,.04)}
.release-card h3{color:#fff;font-size:1.25rem;padding-bottom:16px;border-bottom:1px solid rgba(165,222,248,.16)}
.release-card dl{margin:18px 0 0;display:grid;grid-template-columns:1fr auto;gap:11px 18px}
.release-card dt{color:#89a9bd;font-size:.82rem}
.release-card dd{margin:0;color:#eaf7ff;font-size:.84rem;font-weight:700;text-align:right}
#release-info>.container>.muted{max-width:880px;color:#9fb9c9!important;font-size:.86rem}

/* TROUBLESHOOTING — one large issue + two stacked */
#troubleshooting{background:#f5fbff}
.trouble-grid{display:grid;grid-template-columns:1.15fr .85fr;grid-template-rows:1fr 1fr;gap:18px;margin-top:42px}
.trouble-card{position:relative;padding:34px 32px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
.trouble-card:first-child{grid-row:1 / span 2;display:flex;flex-direction:column;justify-content:flex-end;min-height:340px;background:linear-gradient(160deg,#0b2b45,#124f76);border:0}
.trouble-card:first-child:before{content:"START HERE";position:absolute;top:28px;left:30px;color:#73e4ff;font-size:.7rem;font-weight:800;letter-spacing:.16em}
.trouble-card:first-child h3,.trouble-card:first-child p{color:#fff}
.trouble-card:first-child p{color:#bfd8e7}
.trouble-card h3{font-size:1.2rem;margin-bottom:10px}
.trouble-card p{font-size:.9rem;line-height:1.7}

/* GUIDES — magazine composition */
#guides{background:#fff}
.guides-grid{display:grid;grid-template-columns:1.25fr .75fr;grid-template-rows:1fr 1fr;gap:18px;margin-top:44px}
.guide-card{position:relative;min-height:250px;overflow:hidden;background:#071c2e;color:#fff;box-shadow:var(--shadow-soft)}
.guide-card.featured{grid-row:1 / span 2;min-height:560px}
.guide-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:transform .4s ease,opacity .4s ease}
.guide-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 28%,rgba(5,22,36,.92) 100%);pointer-events:none}
.guide-card .body{position:absolute;z-index:2;left:0;right:0;bottom:0;padding:28px}
.guide-card .eyebrow{color:#89e7ff}
.guide-card .eyebrow:before{background:#89e7ff}
.guide-card h3{margin-top:8px;color:#fff;font-size:1.35rem}
.guide-card p{color:#c9dce8;font-size:.88rem;line-height:1.65}
.guide-card .stretch{position:absolute;inset:0;z-index:4;font-size:0}
.guide-card:hover img{transform:scale(1.035);opacity:.82}
.guide-card:last-child{background:linear-gradient(135deg,#e8f8ff,#f8fcff);color:var(--ink)}
.guide-card:last-child:after{display:none}
.guide-card:last-child .body{position:relative;padding:32px}
.guide-card:last-child .eyebrow{color:var(--blue-2)}
.guide-card:last-child .eyebrow:before{background:var(--blue-2)}
.guide-card:last-child h3{color:var(--ink)}
.guide-card:last-child p{color:var(--muted)}

/* FAQ — left category rail + right accordion */
#faq{background:linear-gradient(180deg,#f2faff 0%,#fff 100%)}
.faq-shell{display:grid;grid-template-columns:300px 1fr;gap:42px;margin-top:48px;align-items:start}
.faq-tabs{position:sticky;top:110px;display:flex;flex-direction:column;gap:0;padding:8px;border:1px solid #d2e8f3;background:#fff;box-shadow:var(--shadow-soft)}
.faq-tabs:before{content:"QUESTION GROUPS";padding:13px 14px 12px;color:#7a94a6;font-size:.65rem;font-weight:800;letter-spacing:.15em}
.faq-tab{position:relative;width:100%;padding:18px 16px;border:0;border-top:1px solid #e2eff5;background:transparent;color:#5b7181;text-align:left;font-size:.86rem;font-weight:750;line-height:1.45}
.faq-tab.active{background:#071f32;color:#fff}
.faq-tab.active:after{content:"";position:absolute;right:-9px;top:50%;transform:translateY(-50%);border-top:9px solid transparent;border-bottom:9px solid transparent;border-left:9px solid #071f32}
.faq-panels{min-width:0}
.faq-list{border-top:1px solid #cfe4ef}
.faq-item{border-bottom:1px solid #cfe4ef;background:transparent}
.faq-question{display:grid;grid-template-columns:1fr 38px;align-items:center;width:100%;padding:21px 4px;border:0;background:transparent;color:var(--ink);text-align:left;font-size:1rem;font-weight:750}
.faq-question:hover{color:var(--blue-2)}
.faq-icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:#e8f7fe;color:var(--blue);font-size:1.25rem;transition:transform .2s ease,background .2s ease}
.faq-question[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:#071f32;color:#fff}
.faq-answer{padding:0 48px 21px 4px}
.faq-answer p{font-size:.91rem;line-height:1.75}

/* PAGE HERO — supporting and article pages now use an editorial split banner */
.page-hero{position:relative;padding:78px 0 50px;background:linear-gradient(110deg,#071d30 0%,#0d3d5e 68%,#1172a1 100%);overflow:hidden}
.page-hero:before{content:"";position:absolute;right:-70px;top:-120px;width:440px;height:440px;border:1px solid rgba(136,231,255,.22);border-radius:50%;box-shadow:0 0 0 70px rgba(136,231,255,.035),0 0 0 140px rgba(136,231,255,.022)}
.page-hero-box{position:relative;z-index:1;max-width:950px;padding:0;background:transparent;border:0;box-shadow:none}
.breadcrumbs{margin-bottom:24px;color:#94b7ca;font-size:.76rem;font-weight:650}
.breadcrumbs a{color:#d9f4ff}
.page-hero .section-kicker{color:#78e4ff}
.page-hero .section-kicker:before{background:#78e4ff}
.page-hero h1{max-width:900px;margin:12px 0 18px;color:#fff;font-size:clamp(2.6rem,5vw,4.7rem);line-height:1.01;letter-spacing:-.05em}
.page-hero .section-lead{max-width:820px;color:#c3dbe8;font-size:1.05rem}

/* BLOG LISTING — first story featured, remaining stories editorial cards */
.blog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.blog-card{position:relative;display:grid;grid-template-columns:190px 1fr;min-height:230px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
.blog-card:first-child{grid-column:1 / -1;grid-template-columns:1.15fr .85fr;min-height:480px;background:#071d30;border:0;color:#fff}
.blog-card img{width:100%;height:100%;object-fit:cover;min-height:230px}
.blog-card:first-child img{min-height:480px}
.blog-card-body{display:flex;flex-direction:column;justify-content:center;padding:28px}
.blog-card:first-child .blog-card-body{padding:48px}
.blog-card .eyebrow{font-size:.66rem}
.blog-card h2{margin:8px 0 11px;font-size:1.15rem;line-height:1.25}
.blog-card p{font-size:.86rem;line-height:1.65}
.blog-card a{margin-top:auto;color:var(--blue-2);font-size:.84rem;font-weight:800}
.blog-card:first-child h2{color:#fff;font-size:clamp(1.8rem,3.1vw,2.7rem)}
.blog-card:first-child p{color:#c1d6e4;font-size:.95rem}
.blog-card:first-child a,.blog-card:first-child .eyebrow{color:#76e4ff}
.blog-card:first-child .eyebrow:before{background:#76e4ff}

/* ARTICLE PAGES — sidebar on the LEFT, article on the RIGHT */
.content-shell{display:grid;grid-template-columns:270px minmax(0,1fr);gap:34px;align-items:start}
.article{grid-column:2;padding:0 0 40px;background:transparent;border:0;box-shadow:none;font-size:1rem}
.sidebar{grid-column:1;grid-row:1;position:sticky;top:108px;display:flex;flex-direction:column;gap:16px}
.featured-image{width:100%;aspect-ratio:16/9;object-fit:cover;margin:0 0 42px;border-radius:0 30px 0 30px;box-shadow:var(--shadow)}
.article>p,.article>h2,.article>h3,.article>.callout,.article>.related-guides{max-width:820px;margin-left:auto;margin-right:auto}
.article>p{font-size:1rem;line-height:1.84;color:#4f687a}
.article h2{margin-top:38px;margin-bottom:12px;font-size:clamp(1.55rem,2.45vw,2.05rem);line-height:1.2}
.article h3{margin-top:28px;font-size:1.2rem}
.article .callout{margin-top:28px;padding:22px 24px;border:0;border-left:4px solid var(--blue);background:#eef8fd;color:#476477}
.article .warning{border-left-color:var(--warm);background:#fff7e9}
.related-guides{display:grid;gap:9px;margin-top:16px}
.related-guides a{padding:14px 16px;border:1px solid var(--line);background:#fff;color:#285a79;font-size:.86rem;font-weight:700;transition:.2s ease}
.related-guides a:hover{background:#eef9fe;transform:translateX(3px)}
.side-card{padding:22px;border:1px solid #d5e9f3;background:#fff;box-shadow:var(--shadow-soft)}
.side-card h2,.side-card h3{margin-bottom:12px;font-size:1rem}
.side-card a{display:block;padding:9px 0;border-bottom:1px solid #e3eff5;color:#496b80;font-size:.8rem;font-weight:650}
.side-card a:last-child{border-bottom:0}
.side-card p{font-size:.82rem;line-height:1.65}

/* SUPPORT / LEGAL PAGES — numbered editorial sections */
.support-page .page-hero{padding-bottom:72px}
.legal-content,.contact-grid{margin-top:10px}
.legal-content{counter-reset:legal;padding:0;background:transparent;border:0;box-shadow:none}
.legal-content h2{position:relative;counter-increment:legal;margin:42px 0 12px;padding-left:58px;font-size:1.5rem}
.legal-content h2:first-child{margin-top:0}
.legal-content h2:before{content:"0" counter(legal);position:absolute;left:0;top:2px;color:#90b8cd;font-size:.84rem;font-weight:900;letter-spacing:.03em}
.legal-content p,.legal-content li{font-size:.98rem;line-height:1.82;color:#536b7b}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-card{padding:34px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
.contact-card:first-child{border-top:4px solid var(--cyan)}
.contact-card h2{font-size:1.3rem;margin-bottom:12px}
.contact-card p{font-size:.94rem;line-height:1.75}
.plain-email{display:inline-block;margin:12px 0 14px!important;padding:11px 13px;background:#eef8fd;color:#1b5779!important;font-weight:800;letter-spacing:.02em}

/* FOOTER — wide brand platform + clearly vertical Information section */
.site-footer{position:relative;padding:72px 0 22px;background:#041522;color:#c1d4e1;overflow:hidden}
.site-footer:before{content:"";position:absolute;right:-100px;top:-150px;width:520px;height:520px;border:1px solid rgba(88,219,255,.11);border-radius:50%;box-shadow:0 0 0 70px rgba(88,219,255,.025),0 0 0 140px rgba(88,219,255,.016)}
.footer-grid{position:relative;display:grid;grid-template-columns:1.55fr .55fr .9fr;gap:70px;padding-bottom:46px;border-bottom:1px solid rgba(174,222,245,.12)}
.footer-brand .brand{color:#fff;font-size:1.3rem}
.footer-brand .brand img{width:78px;height:78px;object-fit:contain}
.footer-brand p{max-width:600px;margin-top:18px;color:#98b2c2;font-size:.9rem;line-height:1.78}
.footer-links{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-links h2{margin:0 0 10px;color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.13em}
.footer-links a{color:#b8cfdd;font-size:.87rem;line-height:1.55}
.footer-links a:hover{color:#fff}
.footer-legal{display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.footer-bottom{position:relative;padding-top:22px;text-align:center}
.copyright{margin:0;color:#a6becc;font-size:.82rem;text-align:center}
.copyright a{color:#dff7ff}
.footer-disclaimer{margin:6px 0 0;color:#809cad;font-size:.76rem;text-align:center}
.scroll-top{position:fixed;right:20px;bottom:20px;z-index:900;width:46px;height:46px;border:1px solid #c9e7f5;border-radius:50%;background:#fff;color:#155a81;font-weight:900;box-shadow:var(--shadow-soft);opacity:0;pointer-events:none;transform:translateY(12px);transition:.2s ease}
.scroll-top.show{opacity:1;pointer-events:auto;transform:none}

/* Reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}

/* Responsive */
@media (max-width:1080px){
  :root{--header-h:74px}
  .container{width:min(100% - 36px,1120px)}
  .site-nav>a{padding-inline:7px;font-size:.78rem}
  .nav-download{padding-inline:13px!important}
  .hero{min-height:700px}
  .hero h1{font-size:clamp(2.7rem,6vw,4.4rem)}
  .hero-float{display:none}
  .hero-copy{max-width:720px}
  .about-layout{grid-template-columns:1fr 1fr}
  .about-copy{margin-left:-42px;padding:42px 36px}
  .feature-card{grid-template-columns:60px 1fr;padding:28px}
  .steps{grid-template-columns:repeat(2,1fr);border-top:0}
  .step{border-top:1px solid rgba(178,230,255,.18);margin-right:0!important;padding:28px!important}
  .step:nth-child(2){border-right:0}
  .guides-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .guide-card.featured{grid-row:auto;grid-column:1 / -1;min-height:520px}
  .content-shell{grid-template-columns:230px minmax(0,1fr)}
}

@media (max-width:900px){
  .header-inner{grid-template-columns:1fr auto}
  .menu-toggle{display:block}
  .site-nav{position:absolute;top:calc(100% + 1px);left:18px;right:18px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:#071d30;border:1px solid rgba(173,226,250,.15);box-shadow:0 18px 40px rgba(0,17,30,.28)}
  .site-nav.open{display:flex}
  .site-nav>a{padding:13px 14px;font-size:.9rem}
  .site-nav>a:not(.nav-download):after{display:none}
  .nav-download{margin:6px 0 0!important;text-align:center}
  .hero{min-height:680px;padding-bottom:74px}
  .hero-shell{min-height:475px}
  .quick-strip{bottom:-60px}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .quick-item{border-bottom:1px solid #dcecf5}
  .quick-item:nth-child(2){border-right:0}
  #about{padding-top:175px}
  .about-layout{grid-template-columns:1fr;gap:0}
  .media-card{min-height:430px;border-radius:0 32px 0 32px}
  .media-card img{min-height:430px}
  .about-copy{margin:-60px 28px 0;padding:38px;border-radius:26px}
  .compat-grid{grid-template-columns:1fr}
  .compat-note{min-height:300px}
  .download-wrap{min-height:620px;display:block}
  .download-image:after{background:linear-gradient(180deg,rgba(4,20,34,.18),rgba(4,20,34,.94) 58%,rgba(4,20,34,.98))}
  .download-copy{position:absolute;left:0;right:0;bottom:0;padding:44px 38px}
  .setup-layout{grid-template-columns:1fr;gap:40px}
  .setup-note{position:relative;top:auto}
  .faq-shell{grid-template-columns:1fr;gap:18px}
  .faq-tabs{position:static;display:grid;grid-template-columns:1fr 1fr;padding:0}
  .faq-tabs:before{grid-column:1 / -1}
  .faq-tab{border-top:1px solid #e2eff5}
  .faq-tab.active:after{display:none}
  .content-shell{grid-template-columns:1fr}
  .article{grid-column:1}
  .sidebar{grid-column:1;grid-row:auto;position:static;display:grid;grid-template-columns:1fr 1fr}
  .blog-card{grid-template-columns:160px 1fr}
  .footer-grid{grid-template-columns:1.3fr .7fr .9fr;gap:35px}
}

@media (max-width:700px){
  body{font-size:16px}
  .container,.narrow{width:min(100% - 28px,1180px)}
  .section{padding:76px 0}
  .section-title{font-size:clamp(2rem,10vw,2.8rem)}
  .section-lead{font-size:1rem}
  .hero{min-height:710px;padding-bottom:94px;background-position:60% center}
  .hero-shell{min-height:500px;padding-bottom:24px}
  .hero h1{font-size:clamp(2.5rem,12vw,3.45rem)}
  .hero p{font-size:1rem}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .hero .btn{width:100%;max-width:330px}
  .quick-strip{bottom:-106px}
  .quick-grid{grid-template-columns:1fr 1fr;border-radius:18px}
  .quick-item{min-height:92px;padding:16px}
  #about{padding-top:210px}
  .media-card{min-height:310px}
  .media-card img{min-height:310px}
  .about-copy{margin:-38px 12px 0;padding:28px 24px}
  .fact{grid-template-columns:1fr;gap:4px}
  .feature-grid{grid-template-columns:1fr}
  .feature-card{min-height:0;grid-template-columns:54px 1fr;padding:24px}
  .icon-box{font-size:2.2rem}
  .steps{grid-template-columns:1fr}
  .step{min-height:0;border-right:0!important}
  .compat-row{grid-template-columns:1fr 1fr;padding:15px}
  .compat-row>*:nth-child(3){grid-column:1 / -1}
  .compat-row:first-child>*:nth-child(3){grid-column:auto}
  .download-wrap{min-height:690px;border-radius:24px}
  .download-copy{padding:32px 24px}
  .download-facts{grid-template-columns:1fr}
  .use-grid{grid-template-columns:1fr}
  .mini-card{min-height:0}
  .safety-grid{grid-template-columns:1fr}
  .pc-grid{grid-template-columns:1fr}
  .cons{border-left:0;border-top:1px solid var(--line)}
  .release-grid{grid-template-columns:1fr}
  .trouble-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .trouble-card:first-child{grid-row:auto;min-height:300px}
  .guides-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .guide-card.featured{grid-column:auto;min-height:430px}
  .guide-card{min-height:280px}
  .faq-tabs{grid-template-columns:1fr}
  .faq-tabs:before{grid-column:auto}
  .faq-question{padding:18px 2px;font-size:.94rem}
  .page-hero{padding:56px 0 40px}
  .page-hero h1{font-size:clamp(2.35rem,11vw,3.3rem)}
  .blog-grid{grid-template-columns:1fr}
  .blog-card,.blog-card:first-child{grid-column:auto;grid-template-columns:1fr;min-height:0}
  .blog-card img,.blog-card:first-child img{height:auto;min-height:0;aspect-ratio:16/9}
  .blog-card:first-child .blog-card-body{padding:30px}
  .blog-card-body{padding:24px}
  .article>p,.article>h2,.article>h3,.article>.callout,.article>.related-guides{max-width:none}
  .featured-image{margin-bottom:30px;border-radius:0 22px 0 22px}
  .sidebar{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand .brand img{width:66px;height:66px}
}

@media (max-width:440px){
  .hero{min-height:760px}
  .quick-grid{grid-template-columns:1fr}
  .quick-item{border-right:0}
  .quick-strip{bottom:-215px}
  #about{padding-top:320px}
  .hero h1{font-size:2.45rem}
  .about-copy{margin:-30px 0 0}
  .download-wrap{min-height:740px}
  .release-card dl{grid-template-columns:1fr}
  .release-card dd{text-align:left;margin-bottom:8px}
}