:root{
  /* Brand + warm educational palette */
  --teal: #0aa7b4;        /* matches your logo family */
  --teal-deep: #078b95;
  --warm-bg: #fff7ed;     /* warm cream */
  --warm-alt: #fff1dd;    /* slightly deeper warm */
  --ink: #0f172a;         /* deep navy text */
  --muted: #475569;       /* slate */
  --card: #ffffff;
  --ring: rgba(10,167,180,.25);
  --shadow: 0 12px 35px rgba(2, 6, 23, 0.10);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, var(--warm-bg), #ffffff);
}

a{ color: inherit; text-decoration: none; }
.container{
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); border:0;
}

/* Top ribbon */
.top-ribbon{
  background: rgba(10, 167, 180, 0.10);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.ribbon-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 10px 0;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}
.ribbon-link{
  color: var(--teal-deep);
  font-weight: 650;
}

/* Header */
.header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 247, 237, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{ display:flex; align-items:center; }
.logo{
  height: 46px;
  width: auto;
  display:block;
}
.logo.small{ height: 34px; }

.nav{ display:flex; align-items:center; gap: 14px; }
.nav-menu{
  display:flex;
  align-items:center;
  gap: 18px;
}
.nav-menu a{
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  opacity: 0.9;
}
.nav-menu a:hover{ color: var(--teal-deep); }

/* Mobile nav */
.nav-toggle{
  display:none;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: white;
  border-radius: 12px;
  padding: 10px 12px;
}
.nav-toggle-lines{
  width: 18px;
  height: 12px;
  display:block;
  position:relative;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after,
.nav-toggle-lines{
  background: none;
}
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background: var(--ink);
  border-radius: 2px;
}
.nav-toggle-lines::before{ top:0; }
.nav-toggle-lines::after{ bottom:0; }
.nav-toggle-lines{
  border-top: 2px solid var(--ink);
  border-radius: 2px;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 14px;
  background: var(--teal);
  color: white;
  font-weight: 700;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 10px 22px rgba(10,167,180,.18);
}
.btn:hover{ background: var(--teal-deep); }
.btn-small{ padding: 10px 14px; border-radius: 12px; }

.btn-ghost{
  background: transparent;
  color: var(--teal-deep);
  border: 1px solid rgba(10,167,180,0.35);
  box-shadow: none;
}
.btn-ghost:hover{
  background: rgba(10,167,180,0.08);
}

/* Hero */
.hero{
  padding: 58px 0 30px;
  background:
    radial-gradient(1200px 500px at 10% 10%, rgba(10,167,180,.18), transparent 60%),
    radial-gradient(900px 500px at 90% 20%, rgba(251, 146, 60, .14), transparent 60%),
    linear-gradient(180deg, var(--warm-bg), #ffffff);
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 22px;
  align-items: start;
}
.badge{
  display:inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(251,146,60,0.12);
  border: 1px solid rgba(251,146,60,0.18);
  color: #7c2d12;
  font-weight: 700;
  font-size: 13px;
}
.hero h1{
  margin: 12px 0 10px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
}
.lead{
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}
.hero-cta{ display:flex; gap: 12px; flex-wrap: wrap; }

.trust{
  margin-top: 18px;
  display:flex;
  gap: 14px;
  flex-wrap: wrap;
}
.trust-item{
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(15,23,42,0.06);
  border-radius: 16px;
  padding: 10px 12px;
}
.trust-number{ display:block; font-weight: 900; color: var(--ink); }
.trust-label{ display:block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.hero-card{
  background: var(--card);
  border: 1px solid rgba(15,23,42,0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.hero-card h2{ margin: 0 0 10px; font-size: 18px; }
.checklist{ margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.7; }
.hero-card-footer{
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(15,23,42,0.06);
  display:flex;
  justify-content: space-between;
  gap: 10px;
  align-items:center;
}
.hint{ color: var(--muted); font-size: 13px; }
.link{ color: var(--teal-deep); font-weight: 750; }

/* Sections */
.section{ padding: 54px 0; }
.section-alt{ background: linear-gradient(180deg, var(--warm-alt), #ffffff); }

.section-head{
  max-width: 780px;
  margin-bottom: 18px;
}
.section-head h2{
  margin: 0 0 8px;
  font-size: 28px;
}
.section-head p{
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

/* Cards */
.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.cards-2{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.card{
  background: var(--card);
  border: 1px solid rgba(15,23,42,0.06);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.06);
}
.card h3{ margin: 0 0 8px; }
.card p{ margin: 0; color: var(--muted); line-height: 1.7; }
.muted{ color: var(--muted); }
.small{ font-size: 12px; }
.mini{ margin: 12px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.7; }

/* Contact */
.contact-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
  align-items: start;
}
.form label{
  display:block;
  font-weight: 650;
  font-size: 14px;
  margin-bottom: 12px;
}
input, select, textarea{
  width: 100%;
  margin-top: 6px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,0.12);
  outline: none;
  font: inherit;
  background: #fff;
}
input:focus, select:focus, textarea:focus{
  border-color: rgba(10,167,180,0.6);
  box-shadow: 0 0 0 6px var(--ring);
}
.contact-card .contact-lines{
  margin-top: 10px;
  display:grid;
  gap: 10px;
}
.label{
  display:block;
  font-size: 12px;
  color: var(--muted);
}
.value{
  display:block;
  font-weight: 800;
}
.soft-note{
  margin-top: 14px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(10,167,180,0.08);
  border: 1px solid rgba(10,167,180,0.14);
  color: rgba(15,23,42,0.85);
}

/* Footer */
.footer{
  padding: 26px 0;
  border-top: 1px solid rgba(15,23,42,0.06);
  background: #ffffff;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
}
.footer-links{ display:flex; gap: 14px; }
.footer-links a{ color: var(--muted); font-weight: 650; }
.footer-links a:hover{ color: var(--teal-deep); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .cards-3{ grid-template-columns: 1fr; }
  .cards-2{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .nav-toggle{ display:inline-flex; }
  .nav-menu{
    position: absolute;
    right: 20px;
    top: 62px;
    background: white;
    border: 1px solid rgba(15,23,42,0.08);
    border-radius: 16px;
    padding: 10px;
    box-shadow: var(--shadow);
    display:none;
    flex-direction: column;
    gap: 10px;
    min-width: 200px;
  }
  .nav-menu.open{ display:flex; }
}