/* WIN11 — Blue & White theme, mobile-first */
:root{
  --blue:#0b74e5;
  --blue-700:#0a61bf;
  --blue-900:#092e5b;
  --ink:#0a2540;
  --ink-2:#5b6b7a;
  --bg:#ffffff;
  --soft:#f3f7ff;
  --card:#ffffff;
  --shadow:0 10px 25px rgba(13, 81, 166, .12);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6;color:var(--ink);background:var(--bg)}

.container{width:min(1200px,92%);margin-inline:auto}

.btn{display:inline-block;padding:.9rem 1.25rem;border-radius:14px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;box-shadow:var(--shadow);transition:.2s}
.btn:hover{transform:translateY(-1px);background:var(--blue-700)}
.btn.ghost{background:transparent;color:var(--blue);border:2px solid var(--blue)}
.btn.btn-sm{padding:.6rem .9rem;border-radius:12px;font-weight:700}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:#ffffffcc;backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid #eaf0ff}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.6rem 0}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-weight:800;letter-spacing:.3px}
.brand img{height:36px;width:auto;border-radius:6px}
.brand.small img{height:28px}
.menu{display:flex;gap:1rem;align-items:center}
.menu a{color:var(--ink);text-decoration:none;font-weight:600}
.menu a:hover{color:var(--blue)}
.hamburger{display:inline-flex;flex-direction:column;gap:5px;background:transparent;border:0}
.hamburger span{display:block;width:24px;height:2px;background:var(--ink)}
@media (max-width: 960px){
  .menu{position:fixed;inset:64px 0 auto 0;background:#fff;padding:1rem 1.25rem;border-bottom:1px solid #eaf0ff;display:none}
  .menu.open{display:flex;flex-direction:column}
  .hamburger{display:inline-flex}
}
@media (min-width: 961px){
  .hamburger{display:none}
}

/* Hero */
.hero{background:linear-gradient(180deg,#0b74e5 0%, #0a61bf 60%, #0b74e5 100%);color:#fff;position:relative;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1fr;gap:2rem;padding:4.5rem 0}
.hero-copy h1{font-size:clamp(32px,5vw,52px);margin:0 0 10px;font-weight:800;line-height:1.12}
.hero-copy .accent{color:#fff;background:rgba(255,255,255,.14);padding:0 .4rem;border-radius:8px}
.hero-copy p{color:#e6f0ff;max-width:52ch}
.cta{display:flex;gap:.75rem;margin-top:1rem;flex-wrap:wrap}
.trust{display:flex;gap:1rem;list-style:none;padding:0;margin:1rem 0 0;color:#e9f2ff;flex-wrap:wrap}
.hero-art{display:flex;align-items:center;justify-content:center}
.phone{background:#fff;border-radius:24px;width:min(340px,90%);min-height:420px;box-shadow:0 20px 60px rgba(0,0,0,.25);padding:1rem}
.phone .status{background:var(--soft);color:var(--ink);padding:.4rem .7rem;border-radius:999px;width:max-content;font-weight:700}
.phone .mock{margin-top:1rem;border:2px dashed #e3e9ff;border-radius:16px;padding:1rem;display:grid;gap:.6rem}
.phone .row{display:flex;align-items:center;justify-content:space-between;font-weight:700;color:var(--ink)}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;height:80px;background:linear-gradient(0deg,#fff, rgba(255,255,255,0));clip-path:polygon(0 60%,100% 0,100% 100%,0 100%);}

@media (min-width: 961px){
  .hero-inner{grid-template-columns:1.1fr .9fr;align-items:center;padding:6rem 0}
}

/* Sections */
.section{padding:3.5rem 0}
.section.alt{background:var(--soft)}
.section-title{text-align:center;font-size:clamp(26px,4vw,38px);margin:0 0 2rem;font-weight:800;color:var(--ink)}
.grid{display:grid;gap:1rem}
.grid.two{grid-template-columns:1fr}
.grid.three{grid-template-columns:1fr}
@media (min-width: 720px){
  .grid.two{grid-template-columns:repeat(2,1fr)}
  .grid.three{grid-template-columns:repeat(3,1fr)}
}
.card{background:var(--card);border:1px solid #eaf0ff;border-radius:18px;box-shadow:var(--shadow);padding:1.25rem}
.step{position:relative;padding-top:2.2rem}
.step-num{position:absolute;top:-18px;left:16px;background:var(--blue);color:#fff;border-radius:12px;padding:.35rem .6rem;font-weight:800;box-shadow:var(--shadow)}

.feature h3{margin:0 0 .3rem}
.feature p{margin:.2rem 0 0;color:var(--ink-2)}

.screens{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.screen{background:linear-gradient(180deg,#ffffff 0,#ebf3ff 100%);border:1px solid #dbe7ff;border-radius:18px;height:200px;display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blue-900);box-shadow:var(--shadow)}
@media (min-width: 960px){
  .screens{grid-template-columns:repeat(4,1fr)}
}

/* Callout */
.callout{background:linear-gradient(180deg,#ffffff 0,#eef5ff 100%);}
.callout-inner{display:grid;grid-template-columns:1fr;gap:1.25rem;align-items:center}
.callout-logo{width:120px;height:auto;justify-self:center;border-radius:12px;box-shadow:var(--shadow)}
.callout .cta{justify-content:center}
@media (min-width: 880px){
  .callout-inner{grid-template-columns:1.2fr .8fr}
  .callout .cta{justify-content:flex-start}
  .callout-logo{justify-self:end}
}

/* FAQ */
.faq details{background:#fff;border:1px solid #eaf0ff;border-radius:14px;padding:1rem;margin:.6rem 0;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:700}

/* Footer */
.footer{background:#061b38;color:#cfe1ff;padding:2.2rem 0;margin-top:1rem}
.footer .brand span{color:#fff}
.footer-grid{display:flex;flex-direction:column;gap:1rem;align-items:flex-start;justify-content:space-between}
.footer .links{display:flex;gap:1rem;flex-wrap:wrap}
.footer .links a{color:#cfe1ff;text-decoration:none}
.footer .links a:hover{color:#fff}
.footer .muted{color:#a9c4ef;margin:.3rem 0 0}

@media (min-width: 900px){
  .footer-grid{flex-direction:row;align-items:center}
}