/* ============================================================
   EduTrust.lk — shared design system
   Brand: Teal #1EA8A0 · Orange #FF7A18 · Navy #0F172A · Light #F8FAFC
   Type: Poppins (display) · Inter (UI/body)
   ============================================================ */

:root{
  /* brand */
  --teal:#1EA8A0;
  --teal-700:#178982;
  --teal-900:#0e5f5a;
  --teal-50:#e9f7f6;
  --teal-100:#d3f0ee;
  --orange:#FF7A18;
  --orange-600:#ef6a05;
  --orange-50:#fff3e9;
  --navy:#0F172A;
  --navy-700:#1e293b;
  --slate:#475569;
  --slate-400:#94a3b8;
  --line:#e6ebf1;
  --light:#F8FAFC;
  --white:#ffffff;
  --purple:#7c5cff;
  --purple-50:#efeaff;

  /* accent helpers used by hover/focus */
  --ring: color-mix(in srgb, var(--teal) 28%, transparent);

  /* type */
  --font-display:'Poppins',system-ui,sans-serif;
  --font-body:'Inter',system-ui,sans-serif;

  /* shape */
  --radius:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.04);
  --shadow:0 8px 24px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px rgba(15,23,42,.14);
  --shadow-teal:0 18px 40px rgba(30,168,160,.30);

  /* layout */
  --maxw:1240px;
  --gut:24px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  overflow-x:clip;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,h5{font-family:var(--font-display);margin:0;line-height:1.12;color:var(--navy);font-weight:700;letter-spacing:-.01em}
p{margin:0}

.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}
.section{padding:84px 0}
.section--tight{padding:56px 0}
.bg-light{background:var(--light)}

/* ---------- eyebrow / section heads ---------- */
.eyebrow{
  font-family:var(--font-display);
  font-weight:600;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--teal);
  margin:0 0 10px;
}
.h-sec{font-size:clamp(26px,3vw,40px);font-weight:700}
.h-sec .hl{color:var(--orange)}
.sec-head{margin-bottom:40px}
.sec-head--center{text-align:center;max-width:760px;margin-inline:auto}
.lead{color:var(--slate);font-size:17px;max-width:560px}

/* underline flourish under centered headings */
.underline-mark{display:inline-block;width:54px;height:4px;border-radius:4px;background:var(--orange);margin-top:14px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-display);font-weight:600;font-size:15px;
  border:none;border-radius:var(--radius-btn);padding:13px 22px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(30,168,160,.28)}
.btn-teal:hover{background:var(--teal-700);box-shadow:0 12px 26px rgba(30,168,160,.38);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,122,24,.30)}
.btn-orange:hover{background:var(--orange-600);box-shadow:0 12px 26px rgba(255,122,24,.40);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-700)}
.btn-white-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-white-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-lg{padding:16px 28px;font-size:16px}
.btn svg{width:18px;height:18px}

.icon-btn{display:inline-flex;align-items:center;justify-content:center}

/* link with arrow */
.link-arrow{display:inline-flex;align-items:center;gap:7px;color:var(--teal);font-weight:600;font-family:var(--font-display);font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover{color:var(--teal-700)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- check list ---------- */
.checks{display:flex;flex-wrap:wrap;gap:14px 26px;list-style:none;padding:0;margin:0}
.checks li{display:flex;align-items:center;gap:9px;font-weight:500;color:var(--navy);font-size:15px}
.check-dot{flex:none;width:22px;height:22px;border-radius:50%;background:var(--teal-50);color:var(--teal);display:grid;place-items:center}
.check-dot svg{width:13px;height:13px}
.checks--stack{flex-direction:column;gap:12px}

/* ---------- top utility bar ---------- */
.topbar{background:var(--teal);color:#eafffd;font-size:13.5px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:42px;gap:20px}
.topbar-left{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.topbar-left span{display:inline-flex;align-items:center;gap:7px;opacity:.95}
.topbar-left svg{width:15px;height:15px;opacity:.9}
.topbar-right{display:flex;align-items:center;gap:8px}
.topbar-right a{font-weight:500;padding:5px 8px;opacity:.95}
.topbar-right a:hover{opacity:1}
.topbar-right .pill-login{border:1px solid rgba(255,255,255,.6);border-radius:999px;padding:6px 16px}
.topbar-right .pill-login:hover{background:#fff;color:var(--teal-900)}

/* ---------- main nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.nav.is-stuck{box-shadow:0 6px 24px rgba(15,23,42,.08)}
.nav .container{display:flex;align-items:center;gap:28px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand .logo-slot{width:42px;height:42px}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:21px;color:var(--navy);line-height:1}
.brand-name .dot{color:var(--orange)}
.brand-tag{font-size:10px;color:var(--slate-400);letter-spacing:.04em;font-weight:500}
.brand-text{display:flex;flex-direction:column;gap:3px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{display:inline-flex;align-items:center;gap:5px;padding:9px 13px;border-radius:8px;font-weight:500;font-size:14.5px;color:var(--navy-700)}
.nav-links a:hover{color:var(--teal);background:var(--teal-50)}
.nav-links a.active{color:var(--teal)}
.nav-links a .caret{width:13px;height:13px;opacity:.6}
.nav-cta{display:flex;align-items:center;gap:10px;flex:none}
.nav-toggle{display:none;background:none;border:none;padding:8px}
.nav-toggle svg{width:26px;height:26px;color:var(--navy)}

/* ---------- card base ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}

/* feature icon chip */
.ico{flex:none;width:54px;height:54px;border-radius:14px;display:grid;place-items:center;color:#fff}
.ico svg{width:26px;height:26px}
.ico--teal{background:linear-gradient(135deg,var(--teal),var(--teal-700))}
.ico--orange{background:linear-gradient(135deg,var(--orange),var(--orange-600))}
.ico--purple{background:linear-gradient(135deg,#8b6bff,#6b4cf0)}
.ico--navy{background:linear-gradient(135deg,#2dd4bf,var(--teal))}

/* ---------- horizontal scroller for card rows ---------- */
.row-scroll{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(150px,1fr);gap:16px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.row-scroll::-webkit-scrollbar{height:7px}
.row-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}

/* split header: title left, link right */
.split-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
.split-head .h-sec{font-size:clamp(22px,2.4vw,30px)}

/* ---------- footer ---------- */
.footer{background:var(--navy);color:#cbd5e1}
.footer a{color:#cbd5e1;font-size:14px;line-height:2}
.footer a:hover{color:#fff}
.footer-top{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:36px;padding:64px 0 48px}
.footer-col h5{color:#fff;font-size:15px;margin-bottom:14px;font-family:var(--font-display)}
.footer-brand .brand-name{color:#fff}
.footer-brand p{color:#94a3b8;font-size:14px;margin:16px 0 20px;max-width:280px}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.07);display:grid;place-items:center}
.footer-social a:hover{background:var(--teal)}
.footer-social svg{width:17px;height:17px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#94a3b8}
.footer-bottom a{font-size:13px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* utility */
.text-orange{color:var(--orange)}
.text-teal{color:var(--teal)}
.muted{color:var(--slate)}
.flag{width:22px;height:16px;border-radius:3px;object-fit:cover;box-shadow:0 0 0 1px rgba(0,0,0,.06)}

@media (max-width:980px){
  .footer-top{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
}
@media (max-width:860px){
  .topbar-left span:not(:first-child){display:none}
  .section{padding:60px 0}
}
@media (max-width:560px){
  .footer-top{grid-template-columns:1fr 1fr}
  .split-head{flex-direction:column;align-items:flex-start;gap:10px}
}