/* ===== Auro Technologies — style.css ===== */
:root{
  --navy:#0a1628; --navy-2:#0e1f3a; --ink:#101828; --slate:#475467;
  --cyan:#38e0ff; --cyan-dark:#0fb8d8; --white:#ffffff; --bg-soft:#f4f7fb; --line:#e4eaf2;
  --radius:16px; --shadow:0 18px 45px rgba(10,22,40,.14);
  --font-head:"Sora",system-ui,sans-serif; --font-body:"Inter",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.15;color:var(--navy)}
h1{font-size:clamp(2.1rem,4.6vw,3.6rem);font-weight:800;color:#fff;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;letter-spacing:-.01em;margin-bottom:1rem}
h3{font-size:1.15rem;font-weight:700;margin-bottom:.6rem}
.container{width:min(1180px,92%);margin-inline:auto}
.narrow{width:min(860px,92%)}
.center{text-align:center}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--cyan);color:var(--navy);padding:.6rem 1rem;z-index:200;font-weight:600}
.skip-link:focus{left:1rem;top:1rem}
.eyebrow{font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan-dark);margin-bottom:.8rem}
.section-dark .eyebrow,.hero-eyebrow{color:var(--cyan)}
.section-sub{color:var(--slate);max-width:640px}
.section-dark .section-sub{color:#b9c6da}
.section{padding:5.5rem 0}
.section-dark{background:linear-gradient(180deg,var(--navy),var(--navy-2));color:#dbe4f0}
.section-dark h2,.section-dark h3{color:#fff}
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(10,22,40,.92);backdrop-filter:blur(12px);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-mark{border-radius:8px}
.brand-name{font-family:var(--font-head);font-weight:800;font-size:1.15rem;color:#fff;letter-spacing:.06em;line-height:1;display:flex;flex-direction:column}
.brand-name small{font-size:.55rem;font-weight:600;letter-spacing:.42em;color:var(--cyan)}
.nav-menu{display:flex;align-items:center;gap:1.8rem}
.nav-menu a{color:#dbe4f0;font-weight:500;font-size:.95rem;transition:color .2s}
.nav-menu a:hover{color:var(--cyan)}
.nav-cta{background:var(--cyan);color:var(--navy)!important;padding:.6rem 1.2rem;border-radius:999px;font-weight:600}
.nav-cta:hover{background:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:.4rem}
.nav-toggle span{width:26px;height:2px;background:#fff;display:block;transition:.3s}
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,22,40,.95) 20%,rgba(10,22,40,.72) 55%,rgba(10,22,40,.45))}
.hero-content{position:relative;z-index:2;padding:8rem 0 4rem}
.hero-eyebrow{font-family:var(--font-head);font-weight:600;font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;margin-bottom:1.2rem}
.hero-content h1{max-width:820px}
.hero-sub{color:#c9d6ea;max-width:620px;font-size:1.12rem;margin:1.4rem 0 2.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:3.4rem}
.btn{display:inline-block;font-family:var(--font-head);font-weight:600;padding:.9rem 1.9rem;border-radius:999px;transition:transform .2s,background .2s,color .2s;font-size:.98rem}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--cyan);color:var(--navy)}
.btn-primary:hover{background:#fff}
.btn-ghost{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-trust{display:flex;flex-wrap:wrap;gap:2.6rem}
.hero-trust li{display:flex;flex-direction:column}
.hero-trust strong{font-family:var(--font-head);font-size:1.7rem;color:var(--cyan)}
.hero-trust span{color:#a9b8cf;font-size:.86rem;max-width:180px}
.stats{background:var(--navy-2);border-top:1px solid rgba(56,224,255,.18)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;padding:2.6rem 0}
.stat strong{font-family:var(--font-head);font-size:1.5rem;color:var(--cyan);display:block}
.stat span{color:#a9b8cf;font-size:.9rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.split-rev .split-media{order:2}
.split-media img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:3/2;object-fit:cover}
.split-text p{margin-bottom:1.1rem;color:var(--slate)}
.split-text p strong{color:var(--ink)}
.section-dark .split-text p{color:#b9c6da}
.section-dark .split-text p strong{color:#fff}
.mission{border-left:3px solid var(--cyan);background:var(--bg-soft);padding:1.2rem 1.4rem;border-radius:0 12px 12px 0;margin:1.4rem 0}
.mission p{margin-bottom:.6rem!important;font-size:.95rem}
.check-list li{position:relative;padding-left:1.7rem;margin-bottom:.7rem;color:var(--slate);font-weight:500}
.check-list li::before{content:"";position:absolute;left:0;top:.42rem;width:.85rem;height:.85rem;border-radius:50%;background:var(--cyan);clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0%,43% 62%)}
.section-head{max-width:720px;margin-bottom:3rem}
.center .section-head,.section-head.center{margin-inline:auto}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.card{background:rgba(255,255,255,.05);border:1px solid rgba(56,224,255,.14);border-radius:var(--radius);overflow:hidden;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-6px);border-color:rgba(56,224,255,.45)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card-body{padding:1.5rem 1.5rem 1.7rem}
.card-body ul li{position:relative;padding-left:1.15rem;margin-bottom:.5rem;font-size:.92rem;color:#b9c6da}
.card-body ul li::before{content:"";position:absolute;left:0;top:.55em;width:.42rem;height:.42rem;border-radius:50%;background:var(--cyan)}
.card-body ul.cols{columns:2;column-gap:1.6rem}
.card-wide{grid-column:1/-1;background:linear-gradient(120deg,rgba(56,224,255,.12),rgba(255,255,255,.04))}
.sla-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.6rem}
.sla{background:rgba(56,224,255,.08);border:1px solid rgba(56,224,255,.25);border-radius:12px;padding:1.1rem 1.2rem}
.sla strong{font-family:var(--font-head);color:var(--cyan);font-size:1.25rem;display:block}
.sla span{color:#a9b8cf;font-size:.88rem}
.faq-list details{border:1px solid var(--line);border-radius:12px;margin-bottom:.9rem;background:#fff;transition:border-color .2s}
.faq-list details[open]{border-color:var(--cyan-dark)}
.faq-list summary{cursor:pointer;list-style:none;padding:1.1rem 1.3rem;font-family:var(--font-head);font-weight:600;color:var(--navy);position:relative;padding-right:3rem}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:1.2rem;top:50%;transform:translateY(-50%);font-size:1.4rem;color:var(--cyan-dark);transition:.2s}
.faq-list details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-list details p{padding:0 1.3rem 1.2rem;color:var(--slate)}
.section-cta{background:linear-gradient(120deg,var(--navy),#10304f);color:#dbe4f0;position:relative;overflow:hidden}
.section-cta::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(56,224,255,.22),transparent 65%);top:-160px;right:-120px}
.section-cta h2{color:#fff}
.section-cta .section-sub{color:#b9c6da;margin:0 auto 2.4rem}
.contact-cards{display:flex;flex-wrap:wrap;gap:1.2rem;justify-content:center;position:relative}
.contact-card{background:rgba(255,255,255,.06);border:1px solid rgba(56,224,255,.3);border-radius:14px;padding:1.4rem 2.2rem;min-width:260px;transition:transform .25s,border-color .25s}
.contact-card:hover{transform:translateY(-4px);border-color:var(--cyan)}
.contact-label{display:block;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:#9fb2cb;margin-bottom:.4rem}
.contact-card strong{font-family:var(--font-head);font-size:1.15rem;color:var(--cyan)}
.site-footer{background:var(--navy);color:#a9b8cf;padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;padding-bottom:3rem}
.footer-brand{margin-bottom:1rem}
.footer-tag{font-size:.92rem;max-width:280px}
.site-footer h4{color:#fff;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:1rem}
.site-footer li{margin-bottom:.55rem;font-size:.92rem}
.site-footer a:hover{color:var(--cyan)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:1.4rem 0;font-size:.85rem;text-align:center}
.js-anim .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js-anim .reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js-anim .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media (max-width:1024px){.cards{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:820px){
  .nav-toggle{display:flex}
  .nav-menu{position:fixed;inset:64px 0 auto 0;background:rgba(10,22,40,.98);flex-direction:column;padding:2rem 5%;gap:1.3rem;transform:translateY(-130%);transition:transform .35s;align-items:flex-start}
  .nav-menu.open{transform:none}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .split{grid-template-columns:1fr;gap:2.2rem}
  .split-rev .split-media{order:0}
  .hero-trust{gap:1.6rem}
  .section{padding:4rem 0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .cards{grid-template-columns:1fr}
  .card-body ul.cols{columns:1}
  .stats-grid{grid-template-columns:1fr 1fr;gap:1.4rem}
  .sla-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .contact-card{width:100%}
}