:root{
  --navy:#232451;
  --navy-deep:#161733;
  --blue:#2867b5;
  --blue-2:#1f58a3;
  --cyan:#00b9f2;
  --yellow:#fff000;
  --white:#f7f8ff;
  --muted:#c8cbe0;
  --line:rgba(0,185,242,.55);
  --card:rgba(255,255,255,.045);
  --border:rgba(255,255,255,.10);
  --shadow:0 22px 60px rgba(0,0,0,.24);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--navy);
  color:var(--white);
  font-family:"Hind Siliguri",system-ui,sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1160px,calc(100% - 40px));margin:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(22,23,51,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{min-height:78px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;min-width:220px}
.logo-box{
  width:210px;height:62px;background:#fff;border-radius:10px;
  padding:7px 13px;box-shadow:0 8px 25px rgba(0,0,0,.12);
  overflow:hidden;
}
.logo-box img{width:100%;height:100%;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.main-nav a{color:#e9eafa;font-weight:600;font-size:15px;position:relative}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-7px;height:2px;
  background:var(--yellow);transition:.25s ease
}
.main-nav a:hover::after{right:0}
.nav-cta{
  background:var(--yellow);color:#15162f;padding:10px 17px;border-radius:7px;
  font-weight:800;font-size:14px;white-space:nowrap
}
.menu-toggle{display:none;background:none;border:0;padding:8px}
.menu-toggle span{display:block;width:25px;height:2px;background:#fff;margin:5px}

.hero{
  position:relative;min-height:690px;display:flex;align-items:center;
  overflow:hidden;background:
  radial-gradient(circle at 74% 45%,rgba(0,185,242,.10),transparent 24%),
  linear-gradient(120deg,#20204d 0%,#25265b 56%,#1c4f93 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(125deg,transparent 0 60%,rgba(255,255,255,.035) 60% 72%,transparent 72%);
}
.hero-shape{position:absolute;pointer-events:none}
.hero-shape-a{
  width:600px;height:600px;border:1px solid rgba(0,185,242,.12);
  border-radius:50%;right:-160px;top:30px
}
.hero-shape-b{
  width:420px;height:420px;border:1px solid rgba(255,240,0,.08);
  border-radius:50%;right:50px;top:115px
}
.dot-field{
  position:absolute;
  width:170px;height:170px;
  background-image:radial-gradient(rgba(255,255,255,.48) 1.6px,transparent 1.7px);
  background-size:20px 20px;
  opacity:.45;
}
.dot-field-hero{right:25px;top:95px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center;position:relative;z-index:2}
.eyebrow,.section-kicker{
  margin:0 0 10px;color:var(--yellow);font:800 13px/1.2 "Inter",sans-serif;
  letter-spacing:1.7px
}
.eyebrow span{display:inline-block;width:30px;height:2px;background:var(--cyan);vertical-align:middle;margin-right:9px}
.hero h1{font-size:clamp(52px,6vw,82px);line-height:1.02;letter-spacing:-2px;margin:8px 0 25px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--yellow)}
.hero h1 strong{color:#fff;font-weight:800}
.hero-lead{max-width:650px;color:var(--muted);font-size:20px;line-height:1.65;margin:0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:7px;
  font-weight:800;transition:.25s ease;border:1px solid transparent
}
.btn-primary{background:var(--yellow);color:#17172f}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 25px rgba(255,240,0,.18)}
.btn-ghost{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.04)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.hero-points{display:flex;gap:22px;flex-wrap:wrap;margin-top:27px;color:#e8e9f4;font-size:14px}
.hero-points span::first-letter{color:var(--yellow)}

.hero-visual{height:520px;position:relative;display:grid;place-items:center}
.visual-ring{
  position:absolute;border:1px solid rgba(0,185,242,.35);border-radius:50%;
  transform:rotateX(66deg) rotateZ(-18deg)
}
.ring-1{width:400px;height:400px}
.ring-2{width:310px;height:310px;border-color:rgba(255,240,0,.22)}
.ring-3{width:500px;height:180px;border-color:rgba(255,255,255,.13)}
.visual-core{
  width:255px;height:255px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,rgba(0,185,242,.18),rgba(12,13,37,.72) 58%);
  border:1px solid rgba(0,185,242,.42);
  box-shadow:0 0 70px rgba(0,185,242,.08),inset 0 0 60px rgba(0,185,242,.06);
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  position:relative
}
.core-label{font:700 12px "Inter";letter-spacing:4px;color:var(--cyan)}
.core-title{font:800 29px/1.05 "Inter";margin-top:10px}
.core-title span{color:var(--yellow);font-size:19px}
.core-line{width:70px;height:2px;background:var(--cyan);margin:17px 0 10px}
.core-mini{font:600 9px "Inter";letter-spacing:2px;color:#cbd0e7}
.node{position:absolute;width:10px;height:10px;background:var(--yellow);border-radius:50%;box-shadow:0 0 0 7px rgba(255,240,0,.07)}
.n1{top:90px;right:110px}.n2{top:190px;right:15px}.n3{bottom:105px;right:95px}
.n4{bottom:72px;left:110px}.n5{top:170px;left:10px}.n6{top:80px;left:130px}
.floating-card{
  position:absolute;background:rgba(19,20,45,.72);border:1px solid rgba(0,185,242,.28);
  backdrop-filter:blur(10px);border-radius:9px;padding:12px 15px;box-shadow:var(--shadow)
}
.floating-card b{display:block;color:var(--yellow);font:800 21px "Inter"}
.floating-card small{display:block;color:#d8daeb;line-height:1.35;margin-top:3px}
.fc-1{left:5px;top:105px}.fc-2{right:0;bottom:105px}

.section-pad{padding:100px 0}
.intro{background:#1b1c42;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.intro-grid{display:grid;grid-template-columns:.35fr 1fr;gap:55px;align-items:start}
.intro h2,.section-heading h2,.cta-copy h2{
  margin:0;font-size:clamp(34px,4.2vw,58px);line-height:1.12;letter-spacing:-1.3px
}
.intro h2 span,.section-heading h2 span,.cta-copy h2 span{color:var(--yellow)}
.intro p{font-size:18px;color:var(--muted);max-width:850px;margin:22px 0 0}

.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:48px}
.section-heading h2{margin-top:5px}
.section-desc{max-width:470px;color:var(--muted);font-size:17px;margin:0}
.centered{display:block;text-align:center}
.centered .section-desc{margin:18px auto 0}

.courses{background:
  linear-gradient(rgba(35,36,81,.96),rgba(35,36,81,.96)),
  radial-gradient(circle at 90% 20%,rgba(0,185,242,.12),transparent 30%);
}
.course-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.course-card{
  position:relative;display:grid;grid-template-columns:50px 48px 1fr 25px;align-items:center;
  gap:10px;min-height:132px;padding:19px 19px;border:1px solid var(--border);
  background:linear-gradient(135deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
  border-radius:10px;overflow:hidden;transition:.3s ease
}
.course-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan);
  transform:scaleY(0);transform-origin:center;transition:.3s ease
}
.course-card:hover{transform:translateY(-4px);border-color:rgba(0,185,242,.5);box-shadow:0 16px 38px rgba(0,0,0,.18)}
.course-card:hover::before{transform:scaleY(1)}
.course-number{font:800 18px "Inter";color:var(--yellow)}
.course-icon{
  width:44px;height:44px;border:1px solid var(--cyan);border-radius:9px;
  color:var(--cyan);display:grid;place-items:center;font:800 14px "Inter"
}
.course-content h3{margin:0;color:#fff;font:800 19px/1.22 "Inter";letter-spacing:-.3px}
.course-content p{margin:7px 0 0;color:#c9ccdf;font-size:15px;line-height:1.35}
.course-content b{color:#fff}
.course-arrow{color:var(--cyan);font:700 21px "Inter";opacity:.75}
.course-card-wide{grid-column:1/-1;max-width:50%}

.why{position:relative;overflow:hidden;background:#1c1d43}
.why-bg{position:absolute;width:600px;height:600px;border:1px solid rgba(0,185,242,.12);border-radius:50%;right:-250px;top:-120px;transform:rotate(25deg)}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.benefit{padding:25px 20px;border-top:2px solid var(--cyan);background:rgba(255,255,255,.035)}
.benefit-no{font:800 24px "Inter";color:var(--yellow)}
.benefit h3{font:800 20px "Inter";margin:8px 0 7px}
.benefit p{color:var(--muted);margin:0;font-size:15px}

.journey{background:#222352}
.journey-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:55px;position:relative}
.journey-line::before{content:"";position:absolute;top:22px;left:10%;right:10%;height:1px;background:rgba(0,185,242,.5)}
.journey-step{position:relative;text-align:center;padding:0 18px}
.journey-step span{
  display:grid;place-items:center;margin:0 auto 25px;width:45px;height:45px;border-radius:50%;
  background:var(--navy);border:2px solid var(--cyan);color:var(--yellow);font:800 13px "Inter";position:relative;z-index:2
}
.journey-step h3{font:800 18px "Inter";margin:0 0 8px}
.journey-step p{color:var(--muted);font-size:14px;margin:0}

.cta-section{
  position:relative;overflow:hidden;background:
  linear-gradient(115deg,#171833 0%,#23255b 58%,#2364ae 100%);
  padding:95px 0
}
.cta-glow{position:absolute;width:500px;height:500px;border-radius:50%;background:rgba(0,185,242,.08);right:-150px;top:-160px}
.dot-field-cta{right:20px;bottom:20px}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center;position:relative;z-index:2}
.cta-copy h2{margin-top:8px}
.cta-copy>p:not(.section-kicker){color:var(--muted);font-size:18px;max-width:700px;margin:22px 0 0}
.contact-card{
  background:rgba(9,10,27,.42);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:26px;backdrop-filter:blur(12px)
}
.contact-logo{background:#fff;border-radius:8px;padding:8px 14px;width:235px;margin-bottom:24px}
.contact-row{padding:13px 0;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:15px}
.contact-row span{color:#aeb2cc}.contact-row a,.contact-row strong{font-weight:700;text-align:right}
.contact-note{color:#c6c9dc;font-size:14px;margin:17px 0 0}

.site-footer{background:#101126;border-top:1px solid rgba(255,255,255,.08)}
.footer-wrap{min-height:65px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:#9da1bb;font-size:13px}
.footer-wrap a{color:var(--yellow);font-weight:700}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:980px){
  .main-nav{gap:18px}
  .nav-cta{display:none}
  .hero-grid,.cta-grid{grid-template-columns:1fr}
  .hero{padding:75px 0 55px}
  .hero-visual{height:430px;max-width:600px;margin:auto;width:100%}
  .benefit-grid{grid-template-columns:1fr 1fr}
  .course-card-wide{max-width:none}
}

@media (max-width:760px){
  .container{width:min(100% - 28px,1160px)}
  .nav-wrap{min-height:70px}
  .brand{min-width:0}
  .logo-box{width:165px;height:52px}
  .menu-toggle{display:block;margin-left:auto}
  .main-nav{
    position:absolute;left:14px;right:14px;top:76px;display:none;flex-direction:column;
    align-items:stretch;gap:0;padding:10px;background:rgba(17,18,40,.98);
    border:1px solid rgba(255,255,255,.10);border-radius:10px
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.07)}
  .hero h1{font-size:48px;letter-spacing:-1px}
  .hero-lead{font-size:17px}
  .hero-visual{height:370px;transform:scale(.86);margin-top:-20px}
  .floating-card{display:none}
  .section-pad{padding:75px 0}
  .intro-grid{grid-template-columns:1fr;gap:15px}
  .section-heading{display:block}
  .section-desc{margin-top:18px}
  .course-grid{grid-template-columns:1fr}
  .course-card-wide{grid-column:auto}
  .benefit-grid{grid-template-columns:1fr}
  .journey-line{grid-template-columns:1fr 1fr;gap:45px 10px}
  .journey-line::before{display:none}
  .cta-grid{gap:35px}
  .footer-wrap{padding:16px 0;flex-direction:column;align-items:flex-start}
}

@media (max-width:460px){
  .hero h1{font-size:42px}
  .hero-visual{transform:scale(.72);margin:-40px -50px -45px}
  .course-card{grid-template-columns:38px 43px 1fr 20px;padding:16px 13px}
  .course-content h3{font-size:16px}
  .course-content p{font-size:14px}
  .course-number{font-size:15px}
  .course-icon{width:40px;height:40px}
  .journey-line{grid-template-columns:1fr}
  .contact-row{display:block}
  .contact-row a,.contact-row strong{display:block;text-align:left;margin-top:4px}
}