:root{
  --brand:#0052CC;        /* SchoolBridge primary (confirmed theme-color) */
  --brand-700:#0747A6;    /* darker step — hovers / depth */
  --teal:#24b69a;         /* secondary brand teal */
  --brand-300:#24b69a;    /* teal — accents on dark backgrounds */
  --accent:#24b69a;       /* secondary brand teal */
  --navy:#002B6B;         /* deep brand navy */
  --navy-900:#001B41;
  --success:#24b69a;      /* teal — positive figures */
  --ink:#0A1A33;          /* primary text */
  --slate:#5A6B85;        /* muted text */
  --mist:#F4F7FC;         /* light section bg */
  --line:#E6ECF5;         /* hairlines */
  --white:#fff;
  --radius:16px;
  --maxw:1180px;
  --shadow-sm:0 1px 2px rgba(10,26,51,.06), 0 4px 16px rgba(10,26,51,.05);
  --shadow-md:0 12px 40px rgba(0,43,107,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.display{font-family:'Inter',sans-serif;line-height:1.1;letter-spacing:-.02em}
h1{letter-spacing:-.035em;line-height:1.04}
h2{letter-spacing:-.03em;line-height:1.08}
h3{letter-spacing:-.02em;line-height:1.2}
h4{letter-spacing:-.015em;line-height:1.1}
.hl{color:var(--accent)}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.wrap{width:100%;margin:0 auto;padding:0 clamp(20px,4vw,56px)}
.eyebrow{
  font-size:.78rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;
  color:var(--brand);display:inline-flex;align-items:center;gap:.55rem;
}
.eyebrow.on-dark{color:#24b69a}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;font-family:'Inter';font-weight:600;
  font-size:.95rem;padding:.85rem 1.5rem;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.btn-gold{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(0,82,204,.28)}
.btn-gold:hover{transform:translateY(-2px);background:var(--brand-700);box-shadow:0 12px 30px rgba(0,82,204,.38)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 24px rgba(0,82,204,.28)}
.btn-primary:hover{transform:translateY(-2px);background:var(--brand-700)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);transform:translateY(-2px)}
.arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ---------- Nav ---------- */
header.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:var(--brand);box-shadow:0 1px 0 rgba(0,0,0,.08);transition:background .3s ease, box-shadow .3s ease, padding .3s ease;padding:18px 0}
header.nav.scrolled{background:var(--brand);box-shadow:0 8px 24px rgba(0,82,204,.28);padding:12px 0}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:.6rem;font-family:'Inter';font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:#fff}
header.nav.scrolled .logo{color:#fff}
.logo .star{width:26px;height:26px;flex:none}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a.lnk{font-size:.95rem;font-weight:500;color:rgba(255,255,255,.85);transition:color .2s}
.nav-links a.lnk:hover{color:#fff}
header.nav.scrolled .nav-links a.lnk{color:rgba(255,255,255,.85)}
header.nav.scrolled .nav-links a.lnk:hover{color:#fff}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-cta .btn-gold{background:#fff;color:var(--brand)}
.nav-cta .btn-gold:hover{background:var(--mist);color:var(--brand);box-shadow:0 10px 26px rgba(0,0,0,.16)}
.nav-links .btn-gold{display:none}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}
header.nav.scrolled .menu-btn span{background:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(90deg, rgba(244,247,252,.97) 0%, rgba(244,247,252,.85) 42%, rgba(244,247,252,.5) 72%, rgba(244,247,252,.25) 100%), url('/assets/img/hero.jpg') center/cover no-repeat;color:var(--ink);padding:170px 0 90px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39.5H40' stroke='%230052CC' stroke-opacity='.06'/%3E%3Cpath d='M39.5 0V40' stroke='%230052CC' stroke-opacity='.06'/%3E%3C/svg%3E");pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.2vw,4.25rem);font-weight:800;color:var(--brand);margin:20px 0 0}
.hero h1 .hl{color:var(--brand-300)}
.hero p.lead{font-size:1.18rem;color:var(--slate);max-width:560px;margin:22px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px}
.hero-tags span{font-size:.82rem;font-weight:500;color:var(--slate);border:1px solid var(--line);padding:.38rem .85rem;border-radius:999px}

/* constellation signature */
.constellation{position:relative;aspect-ratio:1/1;width:100%;max-width:480px;margin:0 auto}
.constellation svg{width:100%;height:100%;overflow:visible}
.c-line{stroke:rgba(36,182,154,.45);stroke-width:1.5;stroke-dasharray:6 6;fill:none}
.c-path{stroke:var(--accent);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1}
.c-star{fill:var(--accent);transform-box:fill-box;transform-origin:center}
.c-glow{fill:rgba(36,182,154,.16)}
.c-dot{fill:rgba(0,82,204,.35)}

/* ---------- Sections ---------- */
section{padding:96px 0}
.sec-head{max-width:680px;margin-bottom:54px}
.sec-head h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:700;letter-spacing:-.03em;color:var(--brand);margin:16px 0 14px}
.sec-head p{font-size:1.08rem;color:var(--slate)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .eyebrow{justify-content:center}

/* services */
#services{background:var(--mist)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;transition:transform .22s ease, box-shadow .22s ease, border-color .22s;position:relative;overflow:hidden}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .3s ease}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.svc:hover::before{width:100%}
.svc .ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;background:rgba(0,82,204,.08);color:var(--brand);margin-bottom:20px}
.svc .ic svg{width:26px;height:26px}
.svc h3{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:var(--brand);margin-bottom:10px}
.svc p{font-size:.96rem;color:var(--slate);margin-bottom:16px}
.svc ul{list-style:none;display:flex;flex-direction:column;gap:8px}
.svc ul li{font-size:.9rem;color:var(--ink);display:flex;gap:9px;align-items:flex-start}
.svc ul li::before{content:"";flex:none;width:16px;height:16px;margin-top:3px;border-radius:50%;background:rgba(36,182,154,.14);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M1 5l2.5 2.5L9 2' stroke='%2324b69a' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center}

/* product / SchoolBridge */
#product{background:#fff}
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.prod-copy h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:700;letter-spacing:-.03em;color:var(--brand);margin:16px 0 16px}
.prod-copy p.lead{font-size:1.08rem;color:var(--slate);margin-bottom:24px}
.prod-feats{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin-bottom:30px}
.prod-feats div{font-size:.95rem;font-weight:500;display:flex;gap:10px;align-items:center}
.prod-feats div::before{content:"";flex:none;width:8px;height:8px;border-radius:2px;transform:rotate(45deg);background:var(--brand)}
.mock{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-900) 100%);border-radius:22px;padding:22px;box-shadow:var(--shadow-md);position:relative}
.mock .bar{display:flex;gap:6px;margin-bottom:16px}
.mock .bar i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.25)}
.mock-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.mock-card .t{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:#24b69a;font-weight:600}
.mock-card .n{font-family:'Inter';font-size:1.6rem;font-weight:700;color:#fff;margin-top:4px}
.mock-card .n span{font-size:.85rem;color:var(--success);font-weight:600;margin-left:6px}
.mock-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.mbars{display:flex;align-items:flex-end;gap:7px;height:64px;margin-top:10px}
.mbars i{flex:1;background:linear-gradient(var(--brand),#24b69a);border-radius:4px 4px 0 0;opacity:.9}

/* approach */
#approach{background:var(--mist);color:var(--ink);position:relative;overflow:hidden}
#approach .sec-head p{color:var(--slate)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{border-top:1px solid var(--line);padding-top:22px}
.step .num{font-family:'Inter';font-weight:700;font-size:.95rem;color:var(--brand-300);letter-spacing:.05em}
.step h3{font-size:1.2rem;font-weight:700;margin:14px 0 8px;color:var(--brand)}
.step p{font-size:.93rem;color:var(--slate)}

/* stats */
.stats{background:var(--brand);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .big{font-family:'Inter';font-size:clamp(2.1rem,4vw,2.9rem);font-weight:800;color:#fff}
.stat .lbl{font-size:.92rem;color:rgba(255,255,255,.85);margin-top:6px}

/* contact */
#contact{background:var(--mist)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
.contact-info h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:700;letter-spacing:-.03em;color:var(--brand);margin:16px 0 16px}
.contact-info p.lead{font-size:1.06rem;color:var(--slate);margin-bottom:32px}
.ci-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:22px}
.ci-item .ic{width:46px;height:46px;flex:none;border-radius:12px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--brand)}
.ci-item .ic svg{width:22px;height:22px}
.ci-item .t{font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--slate);font-weight:600}
.ci-item .v{font-size:1.02rem;font-weight:500;color:var(--ink)}
form.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:.97rem;padding:.8rem .95rem;border:1px solid var(--line);
  border-radius:11px;background:var(--mist);color:var(--ink);transition:border .2s, background .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(0,82,204,.1)}
.field textarea{resize:vertical;min-height:120px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form .btn-primary{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:.82rem;color:var(--slate);margin-top:14px;text-align:center}

/* footer */
footer{background:var(--navy-900);color:rgba(255,255,255,.7);padding:70px 0 28px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:.95rem;max-width:300px}
.foot-col h4{font-family:'Inter';font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin-bottom:18px}
.foot-col a{display:block;font-size:.93rem;margin-bottom:11px;color:rgba(255,255,255,.7);transition:color .2s}
.foot-col a:hover{color:var(--brand-300)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:24px;font-size:.88rem;flex-wrap:wrap}
.socials{display:flex;gap:12px}
.socials a{width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;color:rgba(255,255,255,.75);transition:.2s}
.socials a:hover{border-color:var(--brand-300);color:var(--brand-300)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .hero-grid,.prod-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .constellation{max-width:380px;order:-1}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  section{padding:72px 0}
  .hero{padding:140px 0 70px;background:linear-gradient(rgba(244,247,252,.93),rgba(244,247,252,.93)), url('/assets/img/hero.jpg') center/cover no-repeat}
  .nav-links{position:fixed;top:0;right:-100%;height:100vh;width:78%;max-width:320px;background:var(--navy);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:28px;padding:40px;transition:right .35s ease;z-index:60}
  .nav-links.open{right:0}
  .nav-links a.lnk{color:#fff!important;font-size:1.1rem}
  .nav-links .btn-gold{display:inline-flex;width:100%;justify-content:center}
  .menu-btn{display:block;z-index:70}
  .nav-cta .btn-gold{display:none}
  .svc-grid,.prod-feats,.two,.foot-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .menu-btn.x span:nth-child(1){transform:translateY(7px) rotate(45deg);background:#fff}
  .menu-btn.x span:nth-child(2){opacity:0}
  .menu-btn.x span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:#fff}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .c-path{stroke-dashoffset:0!important}
}