/* =======================================================================
   Educan Tutoring — Shared styles
   Design tokens, base reset, header/nav, buttons, footer, and the
   section-head heading pattern reused across every page.
   Page-specific styles (hero, programs, why, careers, login, etc.)
   live in each page's own <style> block.
   ======================================================================= */

:root{
  --chalkboard:#0E3E66;
  --chalkboard-dark:#0A2F4D;
  --chalk:#F6F2E7;
  --marigold:#F99523;
  --coral:#DD6B4F;
  --sage-text:#AAC4DB;
  --sage-line:#234363;
  --ink:#0E3E66;
  --ink-muted:#4C6175;
  --paper-shadow: rgba(10,30,48,0.18);
  --font-display:'Fraunces', serif;
  --font-body:'Plus Jakarta Sans', sans-serif;
  --font-hand:'Caveat', cursive;
  --font-mono:'JetBrains Mono', monospace;
}

/* ---------- reset ---------- */
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--chalk);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img,svg{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:none; background:none; }

:focus-visible{
  outline:3px solid var(--marigold);
  outline-offset:3px;
  border-radius:2px;
}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  font-weight:500;
}

.hand-note{
  font-family:var(--font-hand);
  font-size:1.4rem;
  color:var(--marigold);
}

/* ---------- texture helpers ---------- */
.grain{
  position:absolute; inset:0;
  pointer-events:none;
  opacity:0.05;
  mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='matrix' values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
.ruled{
  background-image:repeating-linear-gradient(to bottom, transparent 0 35px, rgba(14,62,102,0.07) 35px 36px);
}

/* ---------- header / nav ---------- */
header{
  position:sticky; top:0; z-index:50;
  background: var(--chalkboard-dark);
  border-bottom:1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
}
header.scrolled{
  background:rgba(10,47,77,0.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 28px;
  max-width:1180px; margin:0 auto;
}
.logo{ display:flex; align-items:center; }
.logo-img{ height:38px; width:auto; display:block; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:0.95rem; font-weight:500;
  color:var(--sage-text);
  position:relative;
  padding:4px 0;
  transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--chalk); }

.nav-toggle{
  display:none;
  flex-direction:column; gap:5px;
  padding:6px;
}
.nav-toggle span{
  width:24px; height:2px; background:var(--chalk); border-radius:2px;
}

/* About dropdown */
.nav-item-dropdown{ position:relative; }
.nav-item-dropdown > a{ display:inline-flex; align-items:center; gap:6px; }
.nav-caret{ width:10px; height:10px; transition:transform 0.2s ease; }
.nav-item-dropdown:hover .nav-caret,
.nav-item-dropdown:focus-within .nav-caret{ transform:rotate(180deg); }

/* .nav-dropdown is the hit-area: it starts flush against the trigger (top:100%,
   no gap) so the cursor never leaves a hoverable element on the way down.
   The visual gap/offset lives on .nav-dropdown-inner instead, via margin-top,
   which doesn't affect hover detection. */
.nav-dropdown{
  position:absolute; top:100%; left:50%;
  transform:translateX(-50%);
  min-width:170px;
  opacity:0; pointer-events:none;
  transition:opacity 0.18s ease;
  z-index:60;
}
.nav-item-dropdown:hover .nav-dropdown,
.nav-item-dropdown:focus-within .nav-dropdown,
.nav-item-dropdown.open .nav-dropdown{
  opacity:1; pointer-events:auto;
}
.nav-dropdown-inner{
  margin-top:18px;
  background:var(--chalkboard-dark);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:10px;
  padding:8px;
  box-shadow:0 18px 36px rgba(10,30,48,0.35);
  transform:translateY(-6px);
  transition:transform 0.18s ease;
}
.nav-item-dropdown:hover .nav-dropdown-inner,
.nav-item-dropdown:focus-within .nav-dropdown-inner,
.nav-item-dropdown.open .nav-dropdown-inner{
  transform:translateY(0);
}
.nav-dropdown a{
  display:block; padding:10px 12px; border-radius:6px;
  font-size:0.92rem; color:var(--sage-text);
}
.nav-dropdown a:hover{ background:rgba(246,242,231,0.08); color:var(--chalk); }

.nav-login-btn{
  padding:9px 20px !important;
  border:1.5px solid rgba(246,242,231,0.35);
  border-radius:8px;
  color:var(--chalk) !important;
  font-weight:600;
}
.nav-login-btn:hover{
  border-color:var(--chalk);
  background:rgba(246,242,231,0.06);
  color:var(--chalk) !important;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:600; font-size:0.98rem;
  padding:14px 26px;
  border-radius:8px;
  transition:transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn-primary{ background:var(--marigold); color:var(--chalkboard-dark); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(249,149,35,0.25); }
.btn-ghost{
  border:1.5px solid rgba(246,242,231,0.35);
  color:var(--chalk);
}
.btn-ghost:hover{ border-color:var(--chalk); background:rgba(246,242,231,0.06); }

/* ---------- section heading pattern ---------- */
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head .eyebrow{ color:var(--coral); margin-bottom:14px; display:block; }
.section-head h2, .section-head h3{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(1.9rem, 3.4vw, 2.7rem);
  letter-spacing:-0.01em;
  line-height:1.15;
}
.section-head.sub-head h3{ font-size:clamp(1.5rem, 2.6vw, 2rem); }
.section-head p{
  margin-top:14px;
  color:var(--ink-muted);
  font-size:1.05rem;
  max-width:54ch;
}
.on-dark .section-head .eyebrow{ color:var(--marigold); }
.on-dark .section-head h2, .on-dark .section-head h3{ color:var(--chalk); }
.on-dark .section-head p{ color:var(--sage-text); }
.section-head.on-dark{ /* allow section-head + on-dark on same element */ }

/* ---------- footer ---------- */
footer{
  background:var(--chalkboard-dark);
  color:var(--sage-text);
  padding:40px 0 34px;
  border-top:1px solid var(--sage-line);
}
.footer-row{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:18px;
}
.footer-links{ display:flex; gap:26px; font-size:0.9rem; flex-wrap:wrap; }
.footer-fine{
  margin-top:24px; font-size:0.82rem; color:var(--sage-line);
  border-top:1px solid var(--sage-line);
  padding-top:20px;
}

/* ---------- responsive: nav ---------- */
@media (max-width:760px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0;
    background:var(--chalkboard-dark);
    flex-direction:column; align-items:flex-start;
    padding:18px 28px 24px;
    gap:18px;
    border-bottom:1px solid rgba(255,255,255,0.08);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-toggle{ display:flex; }

  .nav-item-dropdown{ width:100%; }
  .nav-dropdown{
    position:static; transform:none; opacity:1; pointer-events:auto;
    min-width:0;
    display:none;
  }
  .nav-dropdown-inner{
    margin-top:4px;
    background:transparent; border:none; box-shadow:none;
    padding:6px 0 0 16px;
    transform:none;
    display:flex; flex-direction:column; gap:10px;
  }
  .nav-item-dropdown.open .nav-dropdown{ display:block; }
  .nav-item-dropdown.open .nav-caret{ transform:rotate(180deg); }

  .nav-login-btn{ display:inline-flex; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}