/* Orvio — premium design system */
:root{
  --ink:#0B1426; --ink-2:#11203A; --ink-3:#0E1B30;
  --line:#233044; --line-2:#2A3A52;
  --mint:#37D9B0; --mint-dim:#2BBE99;
  --platinum:#D9E0EA; --slate:#8A97A6; --porcelain:#F4F6F9;
  --maxw:1180px; --radius:16px; --radius-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow:0 24px 60px -20px rgba(0,0,0,.55);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--ink); color:var(--porcelain);
  font-family:'Inter',system-ui,Arial,sans-serif;
  font-size:17px; line-height:1.6; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.brandfont{font-family:'Space Grotesk','Inter',sans-serif;font-weight:600;line-height:1.08;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--slate)}
.mint{color:var(--mint)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--mint)}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.center{text-align:center}
.lead{font-size:20px;color:#C4CDDA;max-width:640px}
.lead.center{margin-left:auto;margin-right:auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:600;font-size:16px;
  padding:15px 26px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:transform .25s var(--ease),background .25s,border-color .25s,color .25s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--mint);color:#04241B}
.btn--primary:hover{background:#4BE8C0}
.btn--ghost{border-color:var(--line-2);color:var(--porcelain);background:transparent}
.btn--ghost:hover{border-color:var(--mint);color:var(--mint)}
.btn--lg{padding:18px 34px;font-size:17px}
.btn .arr{transition:transform .25s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,20,38,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:74px}
.nav__logo{height:34px}
.nav__links{display:flex;align-items:center;gap:34px;list-style:none}
.nav__links a{font-size:15px;color:#C4CDDA;transition:color .2s}
.nav__links a:hover,.nav__links a.active{color:var(--porcelain)}
.nav__cta{display:flex;align-items:center;gap:14px}
.nav__toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.nav__toggle span{display:block;width:22px;height:2px;background:var(--porcelain);margin:5px auto;transition:.3s}

/* Hero */
.hero{position:relative;padding:120px 0 96px;overflow:hidden}
.hero__orbit{position:absolute;right:-220px;top:-120px;width:760px;height:760px;
  border:1px solid var(--line);border-radius:50%;opacity:.55}
.hero__orbit::before{content:"";position:absolute;inset:130px;border:1px solid var(--line);border-radius:50%}
.hero__orbit::after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--mint);
  top:60px;left:50%;box-shadow:0 0 24px 4px rgba(55,217,176,.5)}
.hero__glow{position:absolute;left:-200px;bottom:-260px;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,107,255,.18),transparent 60%);filter:blur(20px)}
.hero h1{font-size:clamp(40px,6vw,76px);max-width:14ch}
.hero h1 .mint{color:var(--mint)}
.hero p{margin-top:24px;max-width:560px}
.hero__cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.hero__tags{margin-top:46px;display:flex;gap:10px;flex-wrap:wrap}
.tag{font-size:13px;color:var(--slate);border:1px solid var(--line);border-radius:999px;padding:8px 16px}

/* Generic heading block */
.head{max-width:680px;margin-bottom:54px}
.head.center{margin-left:auto;margin-right:auto}
.head h2{font-size:clamp(30px,4vw,46px);margin-top:14px}
.head p{margin-top:16px;color:var(--slate);font-size:18px}

/* Grid + cards */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,var(--ink-2),var(--ink-3));border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;transition:transform .3s var(--ease),border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.card__ico{width:46px;height:46px;border-radius:12px;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;color:var(--mint);margin-bottom:18px}
.card h3{font-size:21px;margin-bottom:8px}
.card p{color:var(--slate);font-size:15.5px}
.card__link{display:inline-flex;gap:8px;margin-top:16px;color:var(--mint);font-weight:600;font-size:15px}

/* Value props */
.vp{display:flex;gap:18px;align-items:flex-start}
.vp__n{font-family:'Space Grotesk';font-size:15px;color:var(--mint);border:1px solid var(--line-2);
  border-radius:10px;min-width:42px;height:42px;display:flex;align-items:center;justify-content:center;font-weight:600}
.vp h3{font-size:19px;margin-bottom:6px}
.vp p{color:var(--slate);font-size:15.5px}

/* Steps */
.steps{counter-reset:step}
.step{position:relative;padding:28px 0;border-top:1px solid var(--line);display:grid;
  grid-template-columns:90px 1fr;gap:24px;align-items:start}
.step__n{font-family:'Space Grotesk';font-size:40px;color:var(--line-2);font-weight:600}
.step h3{font-size:22px;margin-bottom:8px}
.step p{color:var(--slate)}

/* Service detail rows */
.svc{padding:46px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.svc__tag{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--mint);font-weight:700}
.svc h3{font-size:30px;margin:12px 0 0}
.svc__body p{color:#C4CDDA;margin-bottom:18px}
.svc ul{list-style:none;display:grid;gap:12px}
.svc li{display:flex;gap:12px;color:#C4CDDA;font-size:15.5px}
.svc li::before{content:"";flex:none;width:18px;height:18px;margin-top:3px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,var(--mint) 0 5px,transparent 6px);border:1px solid var(--line-2)}

/* CTA band */
.cta{background:linear-gradient(135deg,#102544,#0B1426);border:1px solid var(--line);
  border-radius:24px;padding:64px 48px;text-align:center;position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;width:360px;height:360px;border-radius:50%;right:-120px;top:-160px;
  background:radial-gradient(circle,rgba(55,217,176,.16),transparent 60%)}
.cta h2{font-size:clamp(28px,4vw,42px);position:relative}
.cta p{color:var(--slate);margin:16px auto 30px;max-width:520px;position:relative}

/* Form */
.form{display:grid;gap:18px;max-width:560px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field label{display:block;font-size:14px;color:var(--slate);margin-bottom:8px}
.field input,.field textarea{width:100%;background:var(--ink-2);border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;color:var(--porcelain);font-family:inherit;font-size:15px;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--mint)}
.field textarea{min-height:130px;resize:vertical}
.form__note{font-size:13px;color:var(--slate)}

.aside-card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.aside-card h3{font-size:18px;margin-bottom:14px}
.aside-card ul{list-style:none;display:grid;gap:12px}
.aside-card li{display:flex;gap:10px;color:#C4CDDA;font-size:15px}
.aside-card li::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--mint);margin-top:8px}

/* Footer */
.footer{border-top:1px solid var(--line);padding:60px 0 40px;margin-top:40px}
.footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.footer__logo{height:32px;margin-bottom:16px}
.footer__col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin-bottom:16px;font-weight:700}
.footer__col ul{list-style:none;display:grid;gap:10px}
.footer__col a{color:#C4CDDA;font-size:15px;transition:color .2s}
.footer__col a:hover{color:var(--mint)}
.footer__bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:24px;color:var(--slate);font-size:14px}

/* Reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media(max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,1fr)}
  .svc{grid-template-columns:1fr;gap:20px}
  .section{padding:72px 0}
  .nav__links,.nav__cta .btn{display:none}
  .nav__toggle{display:block}
  .nav.open .nav__links{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;
    gap:0;background:var(--ink);border-bottom:1px solid var(--line);padding:8px 0}
  .nav.open .nav__links li{padding:14px 24px;border-top:1px solid var(--line)}
}
@media(max-width:600px){
  .grid--3,.grid--4,.grid--2{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .cta{padding:44px 22px}
  .hero{padding:80px 0 64px}
  .step{grid-template-columns:54px 1fr;gap:14px}
  .step__n{font-size:30px}
}

/* Services dropdown */
.has-drop{position:relative}
.nav__droptrig{display:inline-flex;align-items:center;gap:6px}
.nav__droptrig .chev{color:var(--slate);transition:transform .25s var(--ease),color .25s}
.has-drop:hover .nav__droptrig .chev,.has-drop:focus-within .nav__droptrig .chev{transform:rotate(180deg);color:var(--mint)}
.drop{position:absolute;top:calc(100% + 16px);left:50%;width:540px;transform:translateX(-50%) translateY(8px);
  background:linear-gradient(180deg,#10203a,#0b1426);border:1px solid var(--line-2);border-radius:18px;padding:14px;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);z-index:60}
.drop::before{content:"";position:absolute;top:-18px;left:0;right:0;height:18px}
.has-drop:hover .drop,.has-drop:focus-within .drop{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.drop__grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.drop__item{display:flex;gap:13px;align-items:flex-start;padding:13px;border-radius:12px;transition:background .2s}
.drop__item:hover{background:rgba(55,217,176,.08)}
.drop__ico{flex:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;color:var(--mint);transition:border-color .2s}
.drop__item:hover .drop__ico{border-color:var(--mint)}
.drop__txt{display:flex;flex-direction:column;line-height:1.3}
.drop__txt strong{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:15px;color:var(--porcelain)}
.drop__txt em{font-style:normal;font-size:12.5px;color:var(--slate);margin-top:3px}
.drop__all{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:6px;padding:13px;
  border-radius:12px;border:1px solid var(--line);color:var(--mint);font-weight:600;font-size:14px;transition:.2s}
.drop__all:hover{background:rgba(55,217,176,.08);border-color:var(--mint)}
.svc{scroll-margin-top:96px}
@media(max-width:900px){
  .nav.open .drop{position:static;opacity:1;visibility:visible;pointer-events:auto;transform:none;
    width:auto;background:transparent;border:0;box-shadow:none;padding:6px 0 0}
  .nav.open .drop::before{display:none}
  .nav.open .drop__grid{grid-template-columns:1fr;gap:0}
  .nav.open .drop__item{padding:12px 2px}
  .nav.open .nav__droptrig .chev{display:none}
}