*{box-sizing:border-box}
:root{
  --bg:#07111f;
  --bg2:#0b1728;
  --panel:#101e31;
  --text:#eaf2fb;
  --muted:#9fb0c3;
  --accent:#57d39b;
  --accent2:#7ee8b8;
  --line:rgba(255,255,255,.09);
  --white:#fff;
  --light:#f5f8fb;
  --darktext:#102033;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--darktext);
  background:#fff;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(7,17,31,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:var(--white);font-weight:800}
.brand-mark{
  color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  border:1px solid rgba(87,211,155,.35);padding:6px 9px;border-radius:8px
}
.menu{display:flex;align-items:center;gap:26px;color:#cbd6e2;font-size:14px}
.menu a:hover{color:#fff}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:48px;padding:0 22px;border-radius:10px;
  background:var(--accent);color:#062016;font-weight:800;
  transition:.2s ease;box-shadow:0 8px 30px rgba(87,211,155,.15)
}
.button:hover{transform:translateY(-1px);background:var(--accent2)}
.button.small{min-height:38px;padding:0 16px}
.button.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.2);box-shadow:none}
.hero{
  background:
    radial-gradient(circle at 78% 24%,rgba(87,211,155,.13),transparent 28%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);padding:90px 0 78px
}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}
.eyebrow{
  margin:0 0 14px;text-transform:uppercase;letter-spacing:.14em;
  font-size:12px;font-weight:900;color:#3fae7d
}
.hero .eyebrow,.dark .eyebrow{color:var(--accent)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(44px,6.8vw,82px);line-height:.98;letter-spacing:-.055em;margin-bottom:24px}
h1 span{color:#9dafc1}
h2{font-size:clamp(32px,4.2vw,54px);line-height:1.05;letter-spacing:-.04em;margin-bottom:22px}
h3{font-size:22px;line-height:1.2}
.lead{font-size:20px;color:#b7c5d4;max-width:760px}
.lead-small{font-size:18px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:32px 0 36px}
.trust-row{display:flex;gap:34px;flex-wrap:wrap}
.trust-row div{display:flex;flex-direction:column}
.trust-row strong{font-size:22px;color:#fff}
.trust-row span{font-size:13px;color:#8ea0b3}
.hero-visual{display:grid;gap:22px;align-items:start}
.portrait{
  display:block;width:min(100%,330px);height:auto;justify-self:center;
  filter:drop-shadow(0 24px 42px rgba(0,0,0,.36))
}
.code-card{
  background:#07101c;border:1px solid var(--line);border-radius:18px;
  padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.3);overflow:auto
}
.code-card pre{margin:0;color:#d7e4ef;font:14px/1.9 ui-monospace,SFMono-Regular,Menlo,monospace}
.code-card .dim{color:#6f8499}.code-card .accent{color:var(--accent)}
.section{padding:92px 0}
.section.alt{background:var(--light)}
.section.dark{background:var(--bg);color:var(--text)}
.section-head{max-width:780px;margin-bottom:42px}
.section-head p:last-child{font-size:18px;color:#607084}
.cards{display:grid;gap:20px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid #dde5ed;border-radius:16px;padding:30px;background:#fff}
.card .num{display:block;color:#61b68f;font-weight:900;margin-bottom:30px}
.card p{color:#617084;margin-bottom:0}
.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.feature-list{display:grid;gap:12px}
.feature-list div,.checklist div{
  background:#fff;border:1px solid #dde5ed;border-radius:12px;padding:18px 20px
}
.feature-list strong{display:block;margin-bottom:4px}
.feature-list span{color:#607084}
.checklist{display:grid;gap:12px}
.checklist div{position:relative;padding-left:48px}
.checklist div:before{
  content:"✓";position:absolute;left:18px;top:16px;
  color:#219466;font-weight:900
}
.security-box{
  background:#0f1d2f;border:1px solid var(--line);border-radius:16px;padding:30px
}
.security-box ol{margin:18px 0 0;padding-left:22px}
.security-box li{padding:8px 0;color:#c5d1de}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tech-grid span{
  padding:17px 18px;border:1px solid #dde5ed;border-radius:12px;
  font-weight:750;background:#fff
}
.reference-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.reference-card{
  display:flex;flex-direction:column;gap:14px;
  background:#fff;border:1px solid #dde5ed;border-radius:16px;padding:24px
}
.reference-card h3{margin-bottom:0}
.reference-card p{color:#617084;margin-bottom:0}
.reference-card ul{margin:0;padding-left:19px;color:#435266}
.reference-card li{padding:3px 0}
.tech-line{
  margin-top:auto;padding-top:14px;border-top:1px solid #e3ebf1;
  color:#2d8a65;font-size:13px;font-weight:850
}
.reference-link{
  color:#102033;font-size:13px;font-weight:850;text-decoration:underline;
  text-decoration-color:rgba(87,211,155,.55);text-underline-offset:4px
}
.reference-link:hover{color:#2d8a65}
.quote{text-align:center;padding:12px 0}
.quote p{font-size:clamp(30px,5vw,52px);font-weight:900;letter-spacing:-.04em;margin-bottom:10px}
.quote span{color:#6c7a89}
.contact{background:linear-gradient(135deg,#0b1728,#10243a);color:#fff}
.contact-box{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.contact-box p{color:#b7c5d4}
.contact-address{
  display:grid;gap:3px;margin-top:26px;color:#dce7f1;font-style:normal
}
.contact-address strong{color:#fff}
.contact-address a{color:var(--accent);font-weight:800}
.contact-address a:hover{color:var(--accent2)}
.contact-address span{color:#b7c5d4}
.contact-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.contact-note{font-size:13px;max-width:320px}
footer{background:#06101d;color:#8ea0b3;padding:24px 0;border-top:1px solid var(--line)}
.footer-row{display:flex;justify-content:space-between;gap:20px;font-size:13px}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
.footer-links a{color:#cbd6e2;font-weight:750}
.footer-links a:hover{color:#fff}
@media(max-width:900px){
  .menu a:not(.button){display:none}
  .hero-grid,.split,.contact-box{grid-template-columns:1fr}
  .hero-visual{max-width:560px}
  .portrait{width:min(72vw,300px)}
  .cards.three{grid-template-columns:1fr}
  .reference-grid{grid-template-columns:1fr}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding-top:64px}
}
@media(max-width:560px){
  .container{width:min(100% - 26px,1160px)}
  .site-header .brand span:last-child{display:none}
  .tech-grid{grid-template-columns:1fr}
  .footer-row{flex-direction:column}
  .footer-links{justify-content:flex-start}
  .section{padding:68px 0}
}

.contact-form{width:100%;display:grid;gap:15px}
.contact-form label{display:grid;gap:7px;color:#dce7f1;font-size:14px;font-weight:700}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form textarea{width:100%;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:#081524;color:#fff;padding:13px 14px;font:inherit;outline:none}
.contact-form textarea{resize:vertical;min-height:145px}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(87,211,155,.12)}
.contact-form .button{border:0;cursor:pointer;justify-self:start}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.portfolio-link{color:var(--accent);font-weight:800}
.form-message{padding:14px 16px;border-radius:10px;margin-bottom:20px}
.form-message.success{background:rgba(87,211,155,.12);border:1px solid rgba(87,211,155,.35);color:#baf4d9}
.form-message.error{background:rgba(255,110,110,.1);border:1px solid rgba(255,110,110,.3);color:#ffd0d0}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}