/* ============================================================
   EDUQIVA — SHARED STYLESHEET
   Used by every page (index.html, mission.html, classes.html,
   teachers.html, sponsors.html, contact.html). Edit here once
   and every page picks it up.
   ============================================================ */

/* ============ DESIGN TOKENS ============ */
:root {
  /* brand */
  --navy-950: #0a1730;
  --navy-900: #0f1f42;
  --navy-800: #17285a;
  --navy-700: #223572;
  --gold-600: #a9791f;
  --gold-500: #c9962c;
  --gold-300: #e3c273;
  --gold-100: #f3e2ba;

  /* light theme surfaces */
  --paper: #f8f5ee;
  --paper-raised: #ffffff;
  --paper-sunken: #efe9da;
  --ink: #16192a;
  --ink-soft: #4a4e60;
  --ink-faint: #7b7f92;
  --line: #ddd4bc;
  --line-strong: #c7bc9c;

  --accent: var(--gold-600);
  --accent-ink: #4a3305;
  --on-navy: #f3efe3;
  --on-navy-soft: #b9c2dd;

  --shadow: 0 1px 2px rgba(15,31,66,0.06), 0 8px 24px -12px rgba(15,31,66,0.18);
  --radius: 6px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0c1424;
    --paper-raised: #121b30;
    --paper-sunken: #0a1120;
    --ink: #eef0f6;
    --ink-soft: #b7bdd2;
    --ink-faint: #7d84a0;
    --line: #263257;
    --line-strong: #354475;
    --accent: var(--gold-300);
    --accent-ink: #2a1e02;
    --on-navy: #f3efe3;
    --on-navy-soft: #b9c2dd;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 28px -14px rgba(0,0,0,0.55);
  }
}

:root[data-theme="dark"] {
  --paper: #0c1424;
  --paper-raised: #121b30;
  --paper-sunken: #0a1120;
  --ink: #eef0f6;
  --ink-soft: #b7bdd2;
  --ink-faint: #7d84a0;
  --line: #263257;
  --line-strong: #354475;
  --accent: var(--gold-300);
  --accent-ink: #2a1e02;
  --on-navy: #f3efe3;
  --on-navy-soft: #b9c2dd;
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 28px -14px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: "Fraunces", Georgia, "Times New Roman", serif;
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
  margin: 0;
}

a { color: inherit; }
img { max-width: 100%; display: block; }

.wrap {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 48px);
  padding-right: clamp(20px, 5vw, 48px);
}

.eyebrow {
  font-family: "Public Sans", sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ============ TOP BANNER ============ */
.top-banner {
  background: var(--navy-950);
  color: var(--on-navy-soft);
  text-align: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 9px 16px;
}

/* ============ NAV ============ */
header.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 48px);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand svg, .brand img { width: 40px; height: 40px; flex: none; }
.brand-word {
  font-family: "Fraunces", serif;
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--ink);
}
.brand-word b { color: var(--accent); font-weight: 600; }

nav.links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav.links a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
nav.links a:hover, nav.links a:focus-visible { color: var(--ink); }
nav.links a.active { color: var(--ink); border-bottom-color: var(--accent); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--navy-900);
  color: var(--on-navy);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--navy-800); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 8px 10px;
  color: var(--ink);
  font-size: 1rem;
}

@media (max-width: 860px) {
  nav.links.desktop { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta.desktop-only { display: none; }
}

#mnav { display: none; flex-direction: column; gap: 0; padding: 0 20px 16px; }
#mnav.open { display: flex; }
#mnav a { padding: 10px 0; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: 0.95rem; }
#mnav a.active { color: var(--accent); }

a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============ PAGE HERO (interior pages) ============ */
.page-hero {
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(201,150,44,0.14), transparent 60%),
    var(--navy-950);
  color: var(--on-navy);
  padding: clamp(48px, 7vw, 76px) 0;
}
.page-hero .eyebrow { color: var(--gold-300); }
.page-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.6vw, 3rem);
  line-height: 1.1;
  margin-top: 10px;
  max-width: 20ch;
}
.page-hero p.lede {
  max-width: 56ch;
  font-size: 1.08rem;
  color: var(--on-navy-soft);
  margin-top: 16px;
}
.page-hero .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* ============ HOME HERO ============ */
.hero {
  background:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(201,150,44,0.14), transparent 60%),
    var(--navy-950);
  color: var(--on-navy);
  padding: clamp(56px, 9vw, 104px) 0 clamp(64px, 9vw, 112px);
  position: relative;
  overflow: hidden;
}
.hero .wrap { display: grid; gap: 40px; position: relative; }
.hero-crest { display: block; width: 96px; height: 96px; margin-bottom: 28px; }
.hero h1 {
  color: #fff;
  font-size: clamp(2.3rem, 5.4vw, 3.6rem);
  line-height: 1.08;
  max-width: 16ch;
}
.hero h1 em { font-style: italic; color: var(--gold-300); }
.hero p.lede { max-width: 54ch; font-size: 1.14rem; color: var(--on-navy-soft); margin-top: 20px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn-gold { background: var(--gold-500); color: var(--accent-ink); }
.btn-gold:hover { background: var(--gold-300); }
.btn-outline { border-color: rgba(243,239,227,0.35); color: var(--on-navy); }
.btn-outline:hover { border-color: rgba(243,239,227,0.7); background: rgba(243,239,227,0.06); }
.btn-navy { background: var(--navy-900); color: var(--on-navy); }
.btn-navy:hover { background: var(--navy-800); }


/* ============ SECTION SHELL ============ */
section { padding: clamp(56px, 8vw, 96px) 0; }
.section-head { max-width: 62ch; margin-bottom: clamp(32px, 5vw, 52px); }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-top: 10px; line-height: 1.16; }
.section-head p { color: var(--ink-soft); margin-top: 14px; font-size: 1.03rem; }
.section-alt { background: var(--paper-sunken); }

/* ============ WHY GRID ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
@media (max-width: 760px) { .why-grid { grid-template-columns: 1fr; } }
.why-cell { background: var(--paper-raised); padding: 30px 28px; }
.why-cell .ico { color: var(--gold-600); margin-bottom: 14px; }
.why-cell h3 { font-size: 1.08rem; }
.why-cell p { color: var(--ink-soft); font-size: 0.94rem; margin-top: 8px; }

/* ============ TRACKS (age ranges) ============ */
.tracks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .tracks { grid-template-columns: 1fr; } }
.track {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.track .range { font-family: "Fraunces", serif; font-size: 2.1rem; font-weight: 600; color: var(--accent); }
.track .range-label { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint); margin-top: 4px; }
.track p.desc { color: var(--ink-soft); margin-top: 14px; font-size: 0.95rem; flex: 1; }
.track .meta { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--ink-faint); display: flex; flex-direction: column; gap: 5px; }

/* ============ HOW IT WORKS ============ */
.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); }
@media (max-width: 640px) { .step { grid-template-columns: 1fr; gap: 6px; } }
.step .who { font-family: "Fraunces", serif; font-weight: 600; color: var(--navy-900); font-size: 1.05rem; }
.step .what h3 { font-size: 1.05rem; }
.step .what p { color: var(--ink-soft); margin-top: 6px; font-size: 0.95rem; }

/* ============ SPONSORS ============ */
.sponsor-lede { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .sponsor-lede { grid-template-columns: 1fr; } }
.tier-card { background: var(--navy-950); color: var(--on-navy); border-radius: var(--radius); padding: 30px; }
.tier-row { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 0; border-bottom: 1px solid rgba(243,239,227,0.14); font-size: 0.95rem; }
.tier-row:last-child { border-bottom: none; }
.tier-row .n { font-family: "Fraunces", serif; font-size: 1.3rem; color: var(--gold-300); }
.tier-note { margin-top: 18px; font-size: 0.86rem; color: var(--on-navy-soft); }

.who-sponsors { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.pill { border: 1px solid var(--line-strong); border-radius: 999px; padding: 7px 16px; font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }

.spotlight {
  margin-top: clamp(40px, 6vw, 64px);
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
}
@media (max-width: 760px) { .spotlight { grid-template-columns: 1fr; } }
.spotlight-media {
  background: repeating-linear-gradient(135deg, var(--paper-sunken), var(--paper-sunken) 10px, var(--line) 10px, var(--line) 11px);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-faint);
  font-size: 0.8rem;
  text-align: center;
  padding: 20px;
}
.spotlight-body { padding: clamp(24px, 4vw, 38px); }
.spotlight-body .eyebrow { display: block; margin-bottom: 10px; }
.spotlight-body h3 { font-size: 1.3rem; }
.spotlight-body .sub { color: var(--ink-faint); font-size: 0.88rem; margin-top: 4px; }
.spotlight-body p.quote { margin-top: 16px; color: var(--ink-soft); font-size: 0.98rem; }
.spotlight-body .loc { margin-top: 18px; font-size: 0.85rem; color: var(--ink-faint); display: flex; gap: 18px; flex-wrap: wrap; }

.disclosure { font-size: 0.78rem; color: var(--ink-faint); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 30px; max-width: 74ch; }

/* ============ LEGAL PAGES (privacy / terms) ============ */
.legal-content { max-width: 68ch; }
.legal-content h2 { font-size: 1.25rem; margin-top: 34px; margin-bottom: 10px; }
.legal-content h2:first-of-type { margin-top: 0; }
.legal-content p { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.7; margin-top: 10px; }
.legal-content em { color: var(--ink); }
.legal-content a { color: var(--accent); font-weight: 600; }

/* ============ PANELS ============ */
.panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .panels { grid-template-columns: 1fr; } }
.panel { background: var(--paper-raised); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; scroll-margin-top: 90px; }
.panel .eyebrow { display: block; margin-bottom: 8px; }
.panel h3 { font-size: 1.2rem; }
.panel p { color: var(--ink-soft); font-size: 0.94rem; margin-top: 10px; }
.panel .btn { margin-top: 18px; width: 100%; justify-content: center; }
.panel .soon { margin-top: 12px; font-size: 0.8rem; color: var(--ink-faint); font-style: italic; }

/* ============ SIMPLE FORM (contact / register / apply) ============ */
.form-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px);
  max-width: 640px;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.field label { font-size: 0.85rem; font-weight: 700; color: var(--ink); }
.field input, .field select, .field textarea {
  font: inherit;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 100px; }
.field-hint { font-size: 0.8rem; color: var(--ink-faint); font-weight: 400; margin: 0; }
.form-note { font-size: 0.82rem; color: var(--ink-faint); margin-top: 4px; }

/* ============ FOOTER ============ */
footer { background: var(--navy-950); color: var(--on-navy-soft); padding: clamp(48px, 7vw, 72px) 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid rgba(243,239,227,0.14); }
@media (max-width: 760px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
.foot-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.foot-brand svg, .foot-brand img { width: 30px; height: 30px; }
.foot-brand span { font-family: "Fraunces", serif; font-weight: 600; color: #fff; font-size: 1.05rem; }
.foot-tag { font-size: 0.86rem; max-width: 32ch; color: var(--on-navy-soft); }
.foot-col h4 { font-size: 0.76rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold-300); font-weight: 700; margin-bottom: 12px; }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.foot-col a { text-decoration: none; color: var(--on-navy-soft); font-size: 0.9rem; }
.foot-col a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 22px; font-size: 0.8rem; color: var(--on-navy-soft); }