:root{
  --bg:#d9e3ef;
  --bg2:#e9edf2;
  --ink:#16263b;
  --muted:#5b6b80;
  --navy:#152a43;
  --navy2:#1d3a5b;
  --navy3:#274d74;
  --blue:#35a9ff;
  --blue2:#72c7ff;
  --gold:#d7ad54;
  --gold2:#f1d27d;
  --cream:#f4ead1;
  --panel:#e8eef5;
  --panel2:#dfe7f0;
  --line:rgba(31,64,99,.16);
  --white:#f8fbff;
  --shadow:0 22px 55px rgba(29,58,91,.18);
  --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:
    radial-gradient(circle at 14% 8%, rgba(53,169,255,.14), transparent 28%),
    radial-gradient(circle at 90% 12%, rgba(215,173,84,.14), transparent 24%),
    linear-gradient(180deg,#d4e0ec 0%,#e5ebf2 42%,#e4e8ed 100%);
  min-height:100vh;
}
body::before{
  content:"";
  position:fixed; inset:0; pointer-events:none; z-index:-1;
  background-image:linear-gradient(rgba(33,64,96,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(33,64,96,.045) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:linear-gradient(to bottom,#000,transparent 82%);
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.shell{width:min(1180px,calc(100% - 32px));margin:0 auto}

/* Navigation */
.nav-wrap{position:sticky;top:12px;z-index:80;padding-top:12px}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:10px 12px 10px 14px;border-radius:18px;
  background:linear-gradient(135deg,rgba(21,42,67,.96),rgba(29,58,91,.94));
  border:1px solid rgba(114,199,255,.20);
  box-shadow:0 16px 34px rgba(20,42,66,.24);
  backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--white);min-width:0}
.brand img{width:40px;height:40px;border-radius:11px;box-shadow:0 8px 22px rgba(0,0,0,.24)}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand b{color:var(--gold2)}
.links{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.links a{padding:9px 12px;border-radius:11px;color:#cbd8e7;font-weight:700;font-size:13px;transition:.22s}
.links a:hover,.links a.active{background:rgba(114,199,255,.11);color:#fff}
.nav-cta{border:1px solid rgba(241,210,125,.35)!important;color:#ffe8ad!important;background:rgba(215,173,84,.10)!important}
.menu{display:none;border:1px solid rgba(114,199,255,.25);background:rgba(255,255,255,.06);color:#fff;font-size:20px;border-radius:11px;padding:7px 10px}

main{overflow:hidden}

/* Home hero - inspired by supplied reference but branded to Stackspire */
.hero{padding:28px 0 22px}
.hero-stage{
  position:relative;min-height:530px;overflow:hidden;border-radius:30px;
  background:
    radial-gradient(circle at 50% 46%,rgba(53,169,255,.22),transparent 26%),
    radial-gradient(circle at 50% 72%,rgba(215,173,84,.13),transparent 24%),
    linear-gradient(150deg,#10243a 0%,#193552 42%,#21456a 70%,#162d47 100%);
  border:1px solid rgba(114,199,255,.22);
  box-shadow:0 30px 80px rgba(17,39,64,.34);
}
.hero-stage::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(114,199,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(114,199,255,.05) 1px,transparent 1px);
  background-size:58px 58px;opacity:.55;
  mask-image:radial-gradient(circle at center,#000,transparent 78%);
}
.hero-stage::after{
  content:"";position:absolute;left:10%;right:10%;bottom:-42px;height:110px;
  background:radial-gradient(ellipse at center,rgba(53,169,255,.38),transparent 65%);
  filter:blur(18px);opacity:.75;
}
.hero-mini-nav{
  position:absolute;top:18px;left:22px;right:22px;z-index:8;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  color:#c9d7e7;font-size:12px;
}
.hero-mini-brand{display:flex;align-items:center;gap:9px;font-weight:900;color:#fff}
.hero-mini-brand img{width:30px;height:30px;border-radius:8px}
.hero-mini-links{display:flex;gap:18px;align-items:center}
.hero-mini-links a{opacity:.82}.hero-mini-links a:hover{opacity:1;color:#fff}
.hero-mini-cta{padding:8px 12px;border:1px solid rgba(241,210,125,.55);border-radius:9px;color:#ffe6a7}
.hero-content{position:relative;z-index:5;display:grid;place-items:center;text-align:center;min-height:530px;padding:82px 22px 62px}
.hero-copy{position:relative;z-index:6;max-width:650px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(114,199,255,.28);background:rgba(255,255,255,.06);color:#cfe7ff;font-size:12px;font-weight:800;letter-spacing:.45px}
.hero-kicker i{width:7px;height:7px;border-radius:50%;background:var(--gold2);box-shadow:0 0 0 5px rgba(241,210,125,.10)}
.hero h1{font-size:clamp(40px,6vw,66px);line-height:.94;letter-spacing:-3px;margin:18px 0 16px;color:#fff;text-shadow:0 12px 34px rgba(0,0,0,.28)}
.hero h1 span{background:linear-gradient(100deg,#fff 10%,#82cfff 52%,#f0ce74 94%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:620px;margin:0 auto;color:#c9d6e6;font-size:16px;line-height:1.72}
.actions{display:flex;flex-wrap:wrap;justify-content:center;gap:11px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:12px;font-weight:800;transition:.22s;border:1px solid transparent}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:linear-gradient(135deg,#e6bd5d,#f0d686);color:#20314a;box-shadow:0 16px 32px rgba(215,173,84,.22)}
.btn.secondary{background:rgba(255,255,255,.92);color:#1f3855;border-color:rgba(114,199,255,.18)}

.energy-ring{position:absolute;left:50%;top:50%;width:370px;height:370px;transform:translate(-50%,-48%);z-index:2;border-radius:50%}
.energy-ring::before,.energy-ring::after{content:"";position:absolute;border-radius:50%}
.energy-ring::before{inset:10px;border:2px solid rgba(89,189,255,.76);box-shadow:0 0 34px rgba(53,169,255,.55),inset 0 0 34px rgba(53,169,255,.16)}
.energy-ring::after{inset:54px;border:1px solid rgba(241,210,125,.62);box-shadow:0 0 24px rgba(215,173,84,.20)}
.ring-orbit{position:absolute;inset:-22px;border-radius:50%;border:1px solid rgba(114,199,255,.28);transform:rotate(22deg)}
.ring-orbit::before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--blue2);top:38px;right:86px;box-shadow:0 0 22px rgba(114,199,255,.9)}
.ring-orbit.two{inset:32px;transform:rotate(-35deg);border-color:rgba(241,210,125,.24)}
.ring-orbit.two::before{background:var(--gold2);top:auto;bottom:32px;right:auto;left:66px;box-shadow:0 0 20px rgba(241,210,125,.7)}
.spire-decor{position:absolute;bottom:34px;width:175px;height:184px;z-index:4;opacity:.94}
.spire-decor.left{left:34px}.spire-decor.right{right:34px;transform:scaleX(-1)}
.spire-decor .mountain{position:absolute;bottom:0;left:0;width:100%;height:100%;clip-path:polygon(50% 0,100% 100%,0 100%);background:linear-gradient(145deg,rgba(53,169,255,.08),rgba(53,169,255,.36) 55%,rgba(241,210,125,.20));filter:drop-shadow(0 0 18px rgba(53,169,255,.28))}
.spire-decor .mountain::after{content:"";position:absolute;inset:20px 32px 0;clip-path:polygon(50% 0,100% 100%,0 100%);border:1px solid rgba(114,199,255,.44);background:linear-gradient(160deg,rgba(255,255,255,.02),rgba(255,255,255,.09))}
.spire-decor .steps{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);width:116px;display:grid;gap:5px}
.spire-decor .steps i{display:block;height:15px;margin:auto;border-radius:3px;background:linear-gradient(90deg,#997027,#e4bc61,#5eb9f4);box-shadow:0 0 14px rgba(53,169,255,.22)}
.spire-decor .steps i:nth-child(1){width:34%}.spire-decor .steps i:nth-child(2){width:48%}.spire-decor .steps i:nth-child(3){width:64%}.spire-decor .steps i:nth-child(4){width:82%}.spire-decor .steps i:nth-child(5){width:100%}
.hero-badges{position:absolute;left:50%;bottom:20px;transform:translateX(-50%);z-index:7;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.hero-badge{padding:8px 11px;border-radius:999px;color:#c9d9e9;background:rgba(255,255,255,.07);border:1px solid rgba(114,199,255,.14);font-size:11px;font-weight:700;backdrop-filter:blur(10px)}

/* General content */
h1{font-size:clamp(42px,6vw,70px);line-height:.98;letter-spacing:-2.5px;margin:16px 0}
h2{font-size:clamp(30px,4.6vw,46px);line-height:1.05;letter-spacing:-1.4px;margin:10px 0 12px}
h3{font-size:21px;margin:0 0 9px}
.gradient-text{background:linear-gradient(100deg,#182b44 10%,#2c6daa 52%,#b1842d 96%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:17px;line-height:1.85;color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(34,79,119,.08);border:1px solid rgba(34,79,119,.13);color:#2c5c88;font-size:12px;font-weight:800;letter-spacing:.35px}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 5px rgba(215,173,84,.12)}
.section{padding:34px 0}
.home-page .section{padding:34px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.section-head p{max-width:535px;color:var(--muted);line-height:1.8}

.stat,.card,.mini-card,.panel,.wide-card,.feature-panel,.step-card,.faq details,.article,.cta,.support-box,.mode-card,.story-card,.about-card,.metric-card,.info-card,.contact-card,.showcase-card,.floating-note,.spec-item{
  background:linear-gradient(155deg,rgba(239,244,249,.96),rgba(218,227,237,.92));
  border:1px solid rgba(38,77,112,.12);
  box-shadow:0 18px 40px rgba(31,61,91,.12);
}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.stat{padding:18px;border-radius:18px}
.stat b{display:block;font-size:19px;margin-bottom:4px;color:#1c3958}
.stat span,.card p,.step-card p,.wide-card p,.metric-card span,.info-card p,.support-box p,.contact-card p,.about-card p,.story-card p,.article p,.feature-panel p,.faq details p,.mode-card p,.spec-item p{color:var(--muted);line-height:1.78}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:24px;border-radius:24px}
.card:hover{transform:translateY(-4px);transition:.22s;box-shadow:0 24px 48px rgba(31,61,91,.16)}
.iconbox{width:49px;height:49px;display:grid;place-items:center;border-radius:14px;margin-bottom:14px;background:linear-gradient(145deg,#b9ddf4,#ebd79b);color:#234c72;font-size:22px;font-weight:900;border:1px solid rgba(35,76,114,.10)}

.feature-panel{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;padding:24px;border-radius:26px;align-items:center}
.feature-visual{min-height:0;height:auto;align-self:center;border-radius:22px;position:relative;overflow:hidden;background:linear-gradient(150deg,#bfd8eb,#dfd5ba 120%);border:1px solid rgba(39,82,119,.12);padding:18px}
.feature-visual::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;right:-60px;top:-80px;border:1px solid rgba(53,169,255,.28);box-shadow:0 0 0 34px rgba(53,169,255,.07),0 0 0 68px rgba(215,173,84,.05)}
.mock-screen{height:122px;border-radius:18px;background:linear-gradient(145deg,#234765,#315f86);border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 28px rgba(31,61,91,.18);position:relative;overflow:hidden}
.mock-screen::before{content:"";position:absolute;inset:26px;border-radius:50%;border:2px solid rgba(114,199,255,.55);box-shadow:0 0 24px rgba(53,169,255,.30)}
.mock-screen::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;border-radius:50%;background:var(--gold2);transform:translate(-50%,-50%);box-shadow:0 0 22px rgba(241,210,125,.75)}
.bar-group{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:14px;align-items:end;height:96px}
.bar-group span{display:block;border-radius:13px 13px 6px 6px;background:linear-gradient(180deg,#f0cf78,#b88832 65%,#356b98);box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.bar-group span:nth-child(1){height:38px}.bar-group span:nth-child(2){height:54px}.bar-group span:nth-child(3){height:72px}.bar-group span:nth-child(4){height:92px}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.check{padding:15px 16px;border-radius:16px;background:rgba(219,229,239,.7);border:1px solid rgba(31,64,99,.10);color:var(--muted);line-height:1.7}
.check b{display:block;color:#1d3956;margin-bottom:4px}
.feature-panel h2{font-size:clamp(28px,4vw,40px)}
.feature-panel .lead{font-size:16px;line-height:1.72}
.feature-panel .checks{gap:10px;margin-top:14px}
.feature-panel .check{padding:13px 14px;line-height:1.62}
.wide-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.wide-card{padding:24px;border-radius:24px}
.wide-card ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.85}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.metric-card{padding:16px;border-radius:16px}
.metric-card b{display:block;color:#1d3956;font-size:18px;margin-bottom:4px}
.metric-card span{font-size:13px}

.content-brand-layout{display:grid;grid-template-columns:1fr 138px;gap:18px;align-items:start}
.logo-showcase{padding:16px 14px;border-radius:18px;background:linear-gradient(155deg,#edf3fa,#d7e1eb);border:1px solid rgba(38,77,112,.12);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:100%;text-align:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.34)}
.logo-showcase img{width:84px;height:84px;border-radius:22px;box-shadow:0 12px 24px rgba(20,42,66,.18)}
.logo-showcase b{display:block;color:#1d3956;font-size:13px;letter-spacing:.4px}
.logo-showcase span{color:var(--muted);font-size:12px;line-height:1.6}
.page-hero-badge{position:absolute;right:26px;top:22px;z-index:3;display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(114,199,255,.22);color:#dce9f7;box-shadow:0 10px 20px rgba(0,0,0,.12)}
.page-hero-badge img{width:34px;height:34px;border-radius:10px;box-shadow:0 8px 18px rgba(0,0,0,.18)}
.page-hero-badge span{font-size:12px;font-weight:800;letter-spacing:.35px}
.card-header-brand{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:6px}
.card-header-brand > div{flex:1}
.corner-logo{width:56px;height:56px;padding:6px;border-radius:16px;background:linear-gradient(155deg,#f2f6fb,#d8e2ec);border:1px solid rgba(38,77,112,.12);box-shadow:0 10px 20px rgba(31,61,91,.12);flex:0 0 auto}
.corner-logo img{width:100%;height:100%;object-fit:cover;border-radius:12px}

/* Interior pages */
.page-hero{padding:42px 0 24px}
.page-hero-box{
  padding:38px 34px;border-radius:28px;position:relative;overflow:hidden;color:#eef6ff;
  background:
    radial-gradient(circle at 84% 20%,rgba(53,169,255,.18),transparent 28%),
    linear-gradient(145deg,#18314d,#28567d);
  border:1px solid rgba(114,199,255,.20);box-shadow:0 24px 55px rgba(31,61,91,.22)
}
.page-hero-box::after{content:"";position:absolute;right:34px;top:50%;transform:translateY(-50%);width:150px;height:150px;border-radius:50%;border:1px solid rgba(114,199,255,.34);box-shadow:0 0 0 24px rgba(114,199,255,.06),0 0 0 48px rgba(215,173,84,.035)}
.page-hero-box .eyebrow{color:#cce8ff;background:rgba(255,255,255,.05);border-color:rgba(114,199,255,.20)}
.page-hero-box .gradient-text{background:linear-gradient(100deg,#fff,#8ed5ff 60%,#f0d07a);-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero-box p{max-width:780px;color:#c9d8e7;line-height:1.85;position:relative;z-index:2}

.simple-title{padding:28px 34px}.simple-title::after{display:none}.simple-title h1{margin:0}
.page-grid{display:grid;grid-template-columns:1fr .46fr;gap:18px;align-items:start}
.page-main{display:grid;gap:18px}
.side{position:sticky;top:92px;display:grid;gap:18px}
.article{padding:26px;border-radius:24px}
.info-card,.contact-card,.support-box,.mode-card,.step-card,.story-card,.about-card,.spec-item{padding:22px;border-radius:22px}
.info-card ul,.contact-card ul,.support-box ul,.mode-card ul,.step-card ul,.story-card ul,.about-card ul,.article ul,.spec-item ul{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
.step-list,.story-grid,.about-grid,.modes-grid,.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.faq{display:grid;gap:13px}
.faq details{padding:18px 20px;border-radius:18px}
.faq summary{cursor:pointer;font-weight:800;list-style:none;color:#1c3958}.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:10px 0 0}
.policy-list{display:grid;gap:14px;margin-top:18px}
.policy-item{padding:17px 18px;border-radius:17px;background:#dce5ee;border:1px solid rgba(31,64,99,.10)}
.policy-item h3{font-size:17px;margin:0 0 7px;color:#1c3958}.policy-item p{margin:0;color:var(--muted);line-height:1.82}
.cta{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:24px 26px;border-radius:22px}
.cta p{margin:0;color:var(--muted);line-height:1.75}

.footer{padding:18px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px;padding:28px;border-radius:26px;background:linear-gradient(145deg,#1b3855,#244b70);border:1px solid rgba(114,199,255,.18);box-shadow:0 22px 50px rgba(31,61,91,.20);color:#fff}
.footer p,.footer a{color:#c7d5e4;line-height:1.8}.footer h4{margin:0 0 10px;color:#f2d585}
.copyright{display:flex;justify-content:space-between;gap:16px;color:#65778b;font-size:13px;padding:15px 6px 0}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}.reveal.in{opacity:1;transform:translateY(0)}

@media (max-width:1080px){
  .links{position:absolute;left:0;right:0;top:66px;display:none;flex-direction:column;align-items:stretch;padding:12px;background:#193652;border:1px solid rgba(114,199,255,.20);border-radius:16px;box-shadow:0 24px 40px rgba(19,43,68,.26)}
  .links.open{display:flex}.menu{display:block}
  .feature-panel,.page-grid,.wide-grid,.spec-grid{grid-template-columns:1fr}
  .cards,.story-grid,.about-grid,.modes-grid,.support-grid,.step-list{grid-template-columns:1fr 1fr}
  .section-head{align-items:flex-start;flex-direction:column}.side{position:relative;top:auto}
  .hero-mini-links{display:none}
  .spire-decor{width:170px;height:180px}.spire-decor.left{left:14px}.spire-decor.right{right:14px}
}
@media (max-width:720px){
  .shell{width:min(100% - 20px,1180px)}
  .hero{padding-top:20px}.hero-stage{min-height:570px;border-radius:24px}.hero-content{min-height:570px;padding:82px 18px 78px}
  .hero-mini-nav{left:16px;right:16px;top:16px}.hero-mini-cta{display:none}
  .energy-ring{width:290px;height:290px;top:49%}
  .spire-decor{width:104px;height:114px;bottom:52px;opacity:.72}.spire-decor.left{left:-12px}.spire-decor.right{right:-12px}
  .hero h1{font-size:clamp(38px,12vw,54px);letter-spacing:-2px}
  .hero-badges{bottom:20px;width:92%}
  .cards,.checks,.story-grid,.about-grid,.modes-grid,.support-grid,.stats,.metric-row,.step-list,.spec-grid,.content-brand-layout{grid-template-columns:1fr}
  .feature-visual{max-width:100%;width:100%}
  .page-hero-box{padding:30px 22px}.page-hero-box::after{display:none}.page-hero-badge{position:relative;right:auto;top:auto;display:inline-flex;margin-top:16px}
  .footer-grid,.copyright,.cta{display:grid;grid-template-columns:1fr}.cta{padding:22px}
  .brand span{max-width:170px}
}