:root{
  --bg:#030a12;
  --bg2:#061421;
  --panel:#091a29;
  --panel2:#0c2133;
  --line:#183b55;
  --blue:#18a8ff;
  --blue2:#65c9ff;
  --text:#f5f8fc;
  --muted:#a9bac9;
  --white:#f3f7fb;
  --ink:#07111c;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI",Inter,Arial,sans-serif;
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.shell{width:min(1460px,calc(100% - 64px));margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(3,10,18,.94);
  border-bottom:1px solid rgba(92,187,245,.18);
  backdrop-filter:blur(18px);
}
.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{width:66px;height:66px;object-fit:cover;object-position:center;border-radius:14px}
.brand-type{display:flex;flex-direction:column;line-height:1}
.brand-type strong{font-size:31px;letter-spacing:-.035em}
.brand-type strong span{color:var(--blue)}
.brand-type small{font-size:9px;letter-spacing:.18em;color:#a6bbcb;margin-top:8px;white-space:nowrap}

.button{
  display:inline-flex;align-items:center;gap:14px;
  padding:15px 22px;border-radius:8px;
  background:linear-gradient(135deg,#18a8ff,#0879dc);
  font-weight:750;box-shadow:0 14px 35px rgba(15,154,240,.18);
  transition:.2s ease;
}
.button:hover{transform:translateY(-1px);box-shadow:0 18px 40px rgba(15,154,240,.26)}
.button-small{padding:12px 18px;font-size:14px}

.hero{
  padding:86px 0 78px;
  background:
    radial-gradient(circle at 75% 10%,rgba(14,116,180,.23),transparent 34%),
    linear-gradient(180deg,#030b13,#020810);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(520px,.94fr);gap:82px;align-items:center}
.hero-copy{padding:10px 0}
.eyebrow{
  margin:0 0 18px;color:var(--blue2);font-weight:800;
  font-size:12px;letter-spacing:.22em;
}
.eyebrow i{display:inline-block;width:3px;height:3px;border-radius:50%;background:var(--blue);vertical-align:middle;margin:0 7px}
.hero h1{
  max-width:760px;margin:0;
  font-size:clamp(56px,5.5vw,86px);
  line-height:.98;letter-spacing:-.055em;
}
.hero h1 span{color:var(--blue)}
.hero-lead{max-width:720px;margin:28px 0 0;color:#d8e3ed;font-size:20px;line-height:1.68}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:34px}
.learn-link{font-weight:700;color:#c9d7e4}
.learn-link span{color:var(--blue);padding-left:7px}
.microcopy{margin:28px 0 0;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:#90a6b8}
.hero-visual{
  position:relative;border-radius:18px;overflow:hidden;
  border:1px solid #1d4865;
  box-shadow:0 35px 90px rgba(0,0,0,.42);
  background:#07131f;
}
.hero-visual:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(1,8,14,.85));
  pointer-events:none;
}
.hero-visual img{width:100%;height:540px;object-fit:cover}
.visual-caption{
  position:absolute;z-index:2;left:28px;right:28px;bottom:20px;
  display:flex;align-items:center;gap:12px;
  font-size:10px;letter-spacing:.19em;color:#e7f5ff;
}
.visual-caption b{width:22px;height:1px;background:#2499df}

.benefits{padding:92px 0;background:#04101b;border-top:1px solid rgba(255,255,255,.04)}
.section-heading.compact{max-width:760px;margin-bottom:38px}
.section-heading h2{margin:0;font-size:48px;line-height:1.06;letter-spacing:-.04em}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit-card{
  min-height:250px;padding:28px;border-radius:14px;
  background:linear-gradient(180deg,#0a1b2a,#07131f);
  border:1px solid #163750;
}
.icon,.step-icon{
  width:52px;height:52px;border:1px solid #138edb;border-radius:50%;
  display:grid;place-items:center;color:var(--blue);font-size:22px;
}
.benefit-card h3{font-size:21px;margin:32px 0 8px}
.benefit-card p{margin:0;color:#c2d0db}

.approach{background:var(--white);color:var(--ink);padding:100px 0}
.approach-layout{display:grid;grid-template-columns:.82fr 1.7fr;gap:80px;align-items:start}
.eyebrow.dark{color:#0879db}
.section-heading h2{font-size:56px}
.section-heading h2 span{color:#087be0}
.section-heading>p:last-child{font-size:18px;color:#5f6d7b;max-width:540px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps article{
  padding:24px 22px 28px;border-radius:14px;
  background:#fff;border:1px solid #dbe4ec;
  box-shadow:0 14px 34px rgba(10,42,66,.05);
}
.step-number{color:#0879df;font-size:12px;font-weight:900;letter-spacing:.08em}
.step-icon{margin:18px 0;border-color:#c6dfef;background:#f5fbff}
.steps h3{font-size:22px;margin:0 0 8px}
.steps p{margin:0;color:#5f6d7b}

.why{
  padding:100px 0;
  background:
    radial-gradient(circle at 85% 25%,rgba(12,112,177,.24),transparent 28%),
    linear-gradient(135deg,#04101b,#061a29 58%,#04101b);
}
.why-grid{display:grid;grid-template-columns:1fr .92fr;gap:90px;align-items:center}
.why-copy h2{font-size:56px;line-height:1.02;letter-spacing:-.045em;margin:0 0 26px;max-width:740px}
.why-copy>p:not(.eyebrow){font-size:18px;color:#c0cddd;max-width:720px}
.principle-stack{border:1px solid #1b405b;border-radius:16px;background:rgba(5,16,27,.74);overflow:hidden}
.principle-stack article{display:grid;grid-template-columns:54px 1fr;gap:20px;padding:26px 28px;border-bottom:1px solid #17384f}
.principle-stack article:last-child{border-bottom:0}
.principle-number{font-size:12px;font-weight:900;color:var(--blue);width:46px;height:46px;border:1px solid #168fdc;border-radius:50%;display:grid;place-items:center}
.principle-stack h3{margin:0 0 4px;font-size:19px}
.principle-stack p{margin:0;color:#b3c1cc}

.contact{padding:74px 0;background:#061523}
.contact-card{
  display:grid;grid-template-columns:1.25fr .75fr;gap:80px;align-items:center;
  padding:48px 54px;border:1px solid #1a4967;border-radius:18px;
  background:
    linear-gradient(100deg,rgba(4,15,26,.95),rgba(7,35,55,.92)),
    radial-gradient(circle at 85% 20%,rgba(14,143,221,.22),transparent 25%);
}
.contact h2{font-size:46px;line-height:1.06;letter-spacing:-.04em;margin:0}
.contact h2 span{color:var(--blue)}
.contact-copy p{color:#c3d0db;margin:0 0 24px}
.contact-link{display:inline-flex;gap:10px;align-items:center;font-size:19px;font-weight:800;border-bottom:1px solid var(--blue);padding-bottom:5px}
.contact-link span{color:var(--blue)}
.contact-copy small{display:block;margin-top:14px;color:#70899d;text-transform:uppercase;letter-spacing:.18em;font-size:9px}

footer{background:#020811;border-top:1px solid #173348}
.footer-inner{min-height:112px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.footer-brand img{width:48px;height:48px}
.footer-brand .brand-type strong{font-size:22px}
footer p{color:#91a5b6;font-size:12px}

@media(max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:42px}
  .hero-visual img{height:auto}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .approach-layout,.why-grid,.contact-card{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .shell{width:min(100% - 36px,1440px)}
  .header-inner{height:76px}
  .brand img{width:50px;height:50px}
  .brand-type strong{font-size:23px}
  .brand-type small{display:none}
  .button-small{font-size:12px;padding:10px 12px}
  .hero{padding:52px 0}
  .hero h1{font-size:50px}
  .hero-lead{font-size:17px}
  .hero-actions{align-items:flex-start;flex-direction:column;gap:18px}
  .benefits,.approach,.why{padding:70px 0}
  .benefit-grid,.steps{grid-template-columns:1fr}
  .section-heading h2,.why-copy h2{font-size:42px}
  .contact{padding:44px 0}
  .contact-card{padding:32px 24px;gap:32px}
  .contact h2{font-size:38px}
  .footer-inner{padding:28px 0;flex-direction:column;align-items:flex-start}
}


/* Version 5 final polish */
.hero-copy{max-width:740px}
.hero-visual{background:#07131f}
.hero-visual:before{
  content:"";
  position:absolute;
  inset:auto -15% -20% auto;
  width:220px;
  height:220px;
  background:radial-gradient(circle, rgba(24,168,255,.16), transparent 70%);
  pointer-events:none;
  z-index:1;
}
.learn-link:hover{color:#ffffff}
.benefit-card:hover{
  transform:translateY(-3px);
  border-color:#1f5074;
  box-shadow:0 18px 35px rgba(0,0,0,.16);
}
.benefit-card{transition:.18s ease}
@media(max-width:700px){
  .brand img{width:46px;height:46px}
  .brand-type strong{font-size:21px}
  .hero-visual img{height:auto}
}