:root{
  --navy:#07152f;
  --blue:#1747ff;
  --cyan:#20c7ff;
  --red:#e31b3f;
  --purple:#7657ff;
  --ink:#10203b;
  --muted:#60708c;
  --line:#e6ebf4;
  --soft:#f5f8ff;
  --white:#fff;
  --shadow:0 24px 70px rgba(22,42,84,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.5;
}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.nav{
  height:82px;display:flex;align-items:center;justify-content:space-between;
  position:relative;z-index:5;
}
.brand img{width:172px;height:auto;display:block}
.navlinks{display:flex;gap:30px;font-size:14px;font-weight:700;color:#52617b}
.navlinks a:hover{color:var(--blue)}
.navcta{display:flex;gap:12px;align-items:center}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 20px;border-radius:11px;font-weight:800;font-size:14px;
  border:1px solid transparent;transition:.2s ease;cursor:pointer;
}
.btn-primary{background:var(--blue);color:white;box-shadow:0 12px 25px rgba(23,71,255,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(23,71,255,.28)}
.btn-ghost{border-color:#dbe2ef;color:var(--ink);background:white}
.btn-ghost:hover{border-color:#b9c6da}
.btn-login{border-color:#dbe2ef;color:var(--ink);background:white}
.btn-login:hover{border-color:#b9c6da;color:var(--blue)}
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 85% 18%,rgba(32,199,255,.17),transparent 28%),
    radial-gradient(circle at 15% 25%,rgba(118,87,255,.13),transparent 26%),
    linear-gradient(180deg,#fbfcff 0%,#f4f7ff 100%);
  padding:62px 0 100px;
}
.hero:before{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  border:1px solid rgba(23,71,255,.07);right:-220px;top:80px;
}
.hero-grid{display:grid;grid-template-columns: .94fr 1.06fr;gap:55px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border-radius:999px;
  background:white;border:1px solid #e0e7f3;color:#41557a;font-size:12px;font-weight:900;
  text-transform:uppercase;letter-spacing:.08em;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(32,199,255,.13)}
h1{font-size:clamp(45px,5.5vw,72px);line-height:.99;letter-spacing:-.055em;margin:20px 0 22px;color:var(--navy)}
h1 span{background:linear-gradient(90deg,var(--blue),var(--purple),var(--red));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-copy{font-size:19px;color:#5c6b84;max-width:570px}
.hero-actions{display:flex;gap:12px;margin:30px 0 25px;flex-wrap:wrap}
.micro{font-size:12px;color:#71809a}
.hero-visual{position:relative;min-height:520px}
.glow{position:absolute;inset:10% 4% 5% 8%;background:linear-gradient(135deg,rgba(23,71,255,.17),rgba(32,199,255,.12),rgba(227,27,63,.10));filter:blur(45px);border-radius:50%}
.dashboard{
  position:absolute;right:0;top:25px;width:100%;max-width:650px;
  background:white;border:1px solid #e3e9f4;border-radius:20px;box-shadow:var(--shadow);
  overflow:hidden;transform:perspective(1200px) rotateY(-4deg) rotateX(2deg);
}
.dashbar{height:48px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 15px;gap:7px}
.orb{width:8px;height:8px;border-radius:50%;background:#d7deea}
.dashbody{display:grid;grid-template-columns:118px 1fr}
.sidebar{background:#0a1834;color:#9eabc0;padding:18px 12px;min-height:385px}
.sidebrand{color:#fff;font-size:13px;font-weight:900;margin-bottom:24px}
.sideitem{padding:9px 8px;border-radius:7px;font-size:10px;margin:3px 0}
.sideitem.active{background:rgba(32,199,255,.14);color:#fff}
.main{padding:18px;background:#f7f9fd}
.dash-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}
.dash-title strong{font-size:15px}.dash-title small{font-size:9px;color:#7b8aa1}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.stat{background:white;border:1px solid var(--line);border-radius:9px;padding:11px}
.stat small{display:block;color:#7b8aa1;font-size:8px}.stat b{display:block;font-size:18px;margin-top:4px}
.stat em{font-style:normal;font-size:8px;color:#20a36a}
.panels{display:grid;grid-template-columns:1.35fr .65fr;gap:9px;margin-top:9px}
.panel{background:#fff;border:1px solid var(--line);border-radius:9px;padding:12px}
.panel h4{font-size:10px;margin:0 0 10px}
.row{display:grid;grid-template-columns:1fr 45px 45px;gap:8px;padding:7px 0;border-bottom:1px solid #eef2f7;font-size:8px}
.pill{display:inline-block;padding:3px 6px;border-radius:999px;background:#eef3ff;color:#3155c9;font-size:7px}
.activity{display:flex;gap:8px;padding:8px 0;border-bottom:1px solid #eef2f7;font-size:8px}
.avatar{width:20px;height:20px;border-radius:50%;background:linear-gradient(135deg,#20c7ff,#7657ff);flex:none}
.floating{
  position:absolute;background:#fff;border:1px solid #e1e7f1;box-shadow:0 18px 45px rgba(22,42,84,.14);
  border-radius:14px;padding:14px 16px;z-index:2;
}
.floating strong{display:block;font-size:12px}.floating small{color:#73819a;font-size:10px}
.float-one{left:-18px;bottom:75px}.float-two{right:-20px;bottom:8px}
.message{display:flex;gap:10px;align-items:center}.bubble{width:28px;height:28px;border-radius:9px;background:#eaf8ff;display:grid;place-items:center;color:#079dd0;font-weight:900}
.stats-strip{background:var(--navy);color:white;padding:26px 0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);text-align:center}
.stats div{border-right:1px solid rgba(255,255,255,.13)}.stats div:last-child{border:0}
.stats b{display:block;font-size:28px;letter-spacing:-.03em}.stats span{font-size:11px;color:#aebbd0;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
section{padding:105px 0}
.section-head{max-width:720px;margin:0 auto 55px;text-align:center}
.kicker{color:var(--blue);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:11px}
h2{font-size:clamp(35px,4vw,52px);line-height:1.03;letter-spacing:-.045em;margin:12px 0 16px;color:var(--navy)}
.section-head p{color:var(--muted);font-size:17px}
.workflow{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.feature{
  padding:30px;border:1px solid var(--line);border-radius:20px;background:white;
  transition:.25s;position:relative;overflow:hidden;
}
.feature:hover{transform:translateY(-5px);box-shadow:0 20px 50px rgba(30,52,95,.09)}
.feature:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-75px;top:-75px;background:rgba(23,71,255,.06)}
.icon{width:43px;height:43px;border-radius:12px;background:#eef3ff;color:var(--blue);display:grid;place-items:center;font-weight:900;margin-bottom:18px}
.feature:nth-child(2) .icon{background:#e9fbff;color:#079dd0}.feature:nth-child(3) .icon{background:#fff0f3;color:var(--red)}.feature:nth-child(4) .icon{background:#f1edff;color:var(--purple)}
.feature h3{margin:0 0 8px;font-size:22px}.feature p{color:var(--muted);font-size:14px;margin:0}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}.tag{font-size:10px;font-weight:800;padding:6px 8px;border-radius:7px;background:#f5f7fb;color:#52617b}
.independent{background:linear-gradient(135deg,#07152f 0%,#101f46 55%,#182c5d 100%);color:#fff;overflow:hidden;position:relative}
.independent:before{content:"";position:absolute;width:550px;height:550px;border-radius:50%;border:1px solid rgba(255,255,255,.08);right:-180px;top:-200px}
.ind-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.independent h2{color:white}.independent p{color:#b9c5d8}.quote{font-size:28px;line-height:1.2;font-weight:850;letter-spacing:-.03em;margin:28px 0}
.quote span{color:#45d5ff}
.benefits{display:grid;gap:14px}.benefit{display:flex;gap:13px;padding:16px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);border-radius:13px}
.check{width:25px;height:25px;border-radius:8px;background:rgba(32,199,255,.15);display:grid;place-items:center;color:#45d5ff;font-weight:900;flex:none}
.benefit b{display:block;font-size:14px}.benefit span{font-size:12px;color:#aebbd0}
.heygrad-section{background:linear-gradient(180deg,#fff 0%,#f8fbff 100%)}
.heygrad-logo{width:140px;height:auto;display:block;margin-bottom:18px}
.heygrad-lead{color:var(--muted);font-size:16px;margin:0 0 4px}
.heygrad-list{margin-top:22px}
.heygrad-detail{color:var(--muted);font-size:14px;margin:22px 0 26px;max-width:520px}
.heygrad-ui .mini-header span{background:#e9fbff;color:#079dd0}
.heygrad-field{padding:12px 0;border-bottom:1px solid var(--line)}
.heygrad-field label{display:block;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#7a879c;margin-bottom:4px}
.heygrad-field span{font-size:13px;font-weight:700;color:var(--navy)}
.heygrad-activities{padding:14px 0 6px}
.heygrad-activities label{display:block;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#7a879c;margin-bottom:8px}
.heygrad-tags .tag{background:#eef3ff;color:#3155c9}
.heygrad-import{display:flex;gap:12px;align-items:center;margin-top:16px;padding:14px;border-radius:12px;background:#edf9f2;border:1px solid #d4f0e0}
.heygrad-import b{display:block;font-size:12px;color:var(--navy)}
.heygrad-import small{display:block;color:#5c8f72;font-size:9px;margin-top:2px}
.heygrad-qr{width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid #c8e8d6;display:grid;place-items:center;font-size:18px;color:#21865a;flex:none}
.capability{background:var(--soft)}
.cap-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:28px}
.list div{padding:13px 14px;background:#fff;border:1px solid var(--line);border-radius:10px;font-size:12px;font-weight:800}
.mini-ui{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:22px}
.mini-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.mini-header b{font-size:17px}.mini-header span{font-size:10px;background:#edf3ff;color:var(--blue);padding:6px 9px;border-radius:8px;font-weight:800}
.student{display:grid;grid-template-columns:35px 1fr auto;gap:10px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}
.student:last-child{border:0}.student .avatar{width:35px;height:35px}.student b{font-size:12px}.student small{display:block;color:#7a879c;font-size:9px}.student em{font-style:normal;font-size:9px;font-weight:900;padding:5px 7px;border-radius:7px;background:#edf9f2;color:#21865a}
.cta{padding:105px 0;background:linear-gradient(180deg,#fff,#f5f8ff)}
.cta-box{position:relative;overflow:hidden;text-align:center;padding:75px 30px;border-radius:28px;background:linear-gradient(135deg,#1747ff,#7657ff);color:white;box-shadow:0 28px 70px rgba(65,73,196,.22)}
.cta-box:before,.cta-box:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.15);border-radius:50%}
.cta-box:before{width:480px;height:480px;right:-200px;top:-290px}.cta-box:after{width:350px;height:350px;left:-190px;bottom:-250px}
.cta-box h2{color:white;max-width:750px;margin:0 auto 16px}.cta-box p{color:#dce3ff;max-width:650px;margin:0 auto 28px}
.cta-box .btn{background:white;color:#163fd2}
footer{background:#07152f;color:#98a7c0;padding:40px 0}.foot{display:flex;justify-content:space-between;align-items:center;gap:20px}.foot img{width:150px;filter:brightness(0) invert(1)}.foot small{font-size:11px}

/* Login modal */
.login-modal{
  position:fixed;inset:0;z-index:1000;
  display:flex;align-items:center;justify-content:center;padding:24px;
}
.login-modal[hidden]{display:none}
.login-modal__backdrop{
  position:absolute;inset:0;background:rgba(7,21,47,.62);
  backdrop-filter:blur(4px);
}
.login-modal__dialog{
  position:relative;z-index:1;width:min(100%,420px);
  background:var(--white);border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow);padding:32px 30px 28px;
}
.login-modal__header{
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.login-modal__title{
  margin:0;font-size:24px;line-height:1.15;letter-spacing:-.03em;color:var(--navy);
}
.login-modal__subtitle{
  margin:6px 0 0;font-size:14px;color:var(--muted);
}
.login-modal__close{
  display:grid;place-items:center;flex:none;
  width:36px;height:36px;border:1px solid var(--line);border-radius:11px;
  background:var(--white);color:var(--muted);font-size:20px;line-height:1;
  cursor:pointer;transition:.2s ease;
}
.login-modal__close:hover{border-color:#b9c6da;color:var(--ink)}
.login-modal__form{display:grid;gap:16px}
.login-modal__field{display:grid;gap:7px}
.login-modal__label{
  font-size:13px;font-weight:800;color:var(--ink);
}
.login-modal__input{
  width:100%;padding:12px 14px;border:1px solid #dbe2ef;border-radius:11px;
  background:var(--white);color:var(--ink);font:inherit;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.login-modal__input::placeholder{color:#9aa8be}
.login-modal__input:focus{
  outline:none;border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(23,71,255,.12);
}
.login-modal__input[aria-invalid="true"],
.login-modal__field.is-error .login-modal__input{
  border-color:var(--red);
  box-shadow:0 0 0 4px rgba(227,27,63,.10);
}
.login-modal__error{
  margin:0;font-size:12px;font-weight:700;color:var(--red);line-height:1.4;
}
.login-modal__error[hidden]{display:none}
.login-modal__actions{margin-top:4px}
.login-modal__submit{
  width:100%;border-radius:11px;
}
.login-modal__footer{
  margin:18px 0 0;text-align:center;font-size:12px;color:var(--muted);
}
.login-modal__footer a{color:var(--blue);font-weight:800}
.login-modal__footer a:hover{text-decoration:underline}
body.login-modal-open{overflow:hidden}

@media(max-width:900px){
  .navlinks{display:none}.hero-grid,.ind-grid,.cap-grid{grid-template-columns:1fr}.hero{padding-top:35px}.hero-visual{min-height:470px}.dashboard{position:relative;top:10px}.float-one{left:0}.float-two{right:0}.heygrad-logo{margin-bottom:14px}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}.stats div:nth-child(2){border:0}.stats div{border-color:rgba(255,255,255,.13)}
}
@media(max-width:620px){
  .container{width:min(100% - 28px,1180px)}.nav{height:70px}.brand img{width:145px}
  .navcta .btn-ghost:not(.btn-login){display:none}
  .navcta .btn-login{display:inline-flex}
  h1{font-size:46px}.hero-copy{font-size:16px}.hero-visual{min-height:365px}.dashboard{transform:none}.dashbody{grid-template-columns:72px 1fr}.sidebar{padding:12px 7px}.sideitem{font-size:7px}.main{padding:10px}.cards{grid-template-columns:repeat(2,1fr)}.panels{grid-template-columns:1fr}
  .workflow{grid-template-columns:1fr}.list{grid-template-columns:1fr}.stats b{font-size:22px}.stats span{font-size:9px}section{padding:75px 0}.quote{font-size:23px}.foot{flex-direction:column;align-items:flex-start}
  .login-modal{padding:16px}
  .login-modal__dialog{padding:26px 22px 22px;border-radius:16px}
  .login-modal__title{font-size:22px}
}