/* ==========================================================
   Kaldea Education — "Kaldea is for stargazers"
   Wisdom indigo + aristocratic gold, old dark academia
   ========================================================== */

:root {
  --night: #07041a;
  --indigo: #140a33;
  --violet: #241050;
  --violet-2: #3a1c74;
  --plum: #4b1e86;
  --gold: #d69a28;
  --gold-2: #e9c47a;
  --gold-dim: rgba(214, 154, 40, .28);
  --parchment: #eee5d1;
  --ink: #c9bfdc;
  --muted: #9a8fb8;
  --line: rgba(233, 196, 122, .18);
  --card: rgba(22, 11, 52, .55);
  --serif-display: "Cormorant Garamond", "Cormorant", Garamond, "Times New Roman", serif;
  --serif-body: "EB Garamond", Garamond, Georgia, serif;
  --caps: "Cinzel", "Trajan Pro", "Cormorant SC", Georgia, serif;
  --maxw: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif-body);
  font-size: 19px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--night);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--gold-2); text-decoration: none; }
a:hover { color: var(--gold); }
::selection { background: var(--gold); color: var(--indigo); }

/* ---------- The sky (fixed, behind everything) ---------- */
#sky {
  position: fixed; inset: 0; z-index: -2; width: 100%; height: 100%;
  background:
    radial-gradient(120% 80% at 50% 120%, #4a1f8a 0%, rgba(74, 31, 138, 0) 55%),
    radial-gradient(80% 60% at 85% 10%, rgba(58, 28, 116, .55) 0%, rgba(58, 28, 116, 0) 60%),
    linear-gradient(180deg, #05031a 0%, #0d0630 45%, #1d0c48 100%);
}
.vignette {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(3, 1, 12, .55) 100%);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--serif-display); color: var(--parchment); font-weight: 600; line-height: 1.12; letter-spacing: .005em; }
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); }
h4 { font-size: 1.25rem; }
p + p { margin-top: 1em; }
.gold { color: var(--gold); }
.italic { font-style: italic; }
.eyebrow {
  font-family: var(--caps); font-size: .78rem; letter-spacing: .32em; text-transform: uppercase;
  color: var(--gold); display: inline-flex; align-items: center; gap: .8em; margin-bottom: 1.1rem;
}
.eyebrow::before { content: ""; width: 34px; height: 1px; background: var(--gold); opacity: .7; }
.lead { font-size: 1.22rem; color: var(--ink); max-width: 46ch; }
.muted { color: var(--muted); }
.center { text-align: center; }
.center .eyebrow { justify-content: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Layout ---------- */
.wrap { width: min(var(--maxw), 100% - 48px); margin: 0 auto; }
section { position: relative; padding: clamp(80px, 12vw, 150px) 0; }
.grid { display: grid; gap: 26px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.g5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 980px) { .g3, .g4, .g5 { grid-template-columns: repeat(2, 1fr); } .g2 { grid-template-columns: 1fr; } }
@media (max-width: 620px) { .g3, .g4, .g5 { grid-template-columns: 1fr; } body { font-size: 18px; } }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 6vw, 90px); align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.section-head { margin-bottom: clamp(36px, 6vw, 64px); }
.section-head h2 { margin-bottom: .6rem; }

/* ornamental divider */
.ornament { display: flex; align-items: center; justify-content: center; gap: 16px; color: var(--gold); opacity: .8; margin: 0 auto; }
.ornament::before, .ornament::after { content: ""; height: 1px; width: min(180px, 25vw); background: linear-gradient(90deg, transparent, var(--gold)); }
.ornament::after { transform: scaleX(-1); }
.ornament span { font-size: 1.1rem; letter-spacing: .5em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em; cursor: pointer;
  font-family: var(--caps); font-size: .8rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 600;
  padding: 1.05em 1.9em; border-radius: 999px; border: 1px solid var(--gold);
  background: linear-gradient(180deg, #e2aa3c, #c4861a); color: #1a0c3a;
  box-shadow: 0 0 0 0 rgba(214, 154, 40, .5), 0 10px 30px -10px rgba(214, 154, 40, .55);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
}
.btn:hover { color: #1a0c3a; transform: translateY(-2px); box-shadow: 0 0 0 6px rgba(214, 154, 40, .14), 0 18px 40px -12px rgba(214, 154, 40, .7); }
.btn-ghost { background: transparent; color: var(--gold-2); box-shadow: none; }
.btn-ghost:hover { color: var(--parchment); background: rgba(214, 154, 40, .1); box-shadow: 0 0 0 6px rgba(214, 154, 40, .08); }
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2.2rem; }
.center .btn-row { justify-content: center; }
.link-arrow { font-family: var(--caps); font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; display: inline-flex; gap: .5em; align-items: center; }
.link-arrow::after { content: "→"; transition: transform .3s var(--ease); }
.link-arrow:hover::after { transform: translateX(5px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .4s, backdrop-filter .4s, border-color .4s, padding .4s;
  border-bottom: 1px solid transparent; padding: 18px 0;
}
.site-header.scrolled { background: rgba(9, 5, 28, .78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); padding: 10px 0; }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: min(1320px, 100% - 40px); margin: 0 auto; }
.brand img { height: 46px; width: auto; transition: height .4s; }
.scrolled .brand img { height: 38px; }
.menu { display: flex; align-items: center; gap: 4px; list-style: none; }
.menu > li { position: relative; }
.menu > li > a, .menu > li > button {
  font-family: var(--caps); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--parchment);
  background: none; border: 0; cursor: pointer; padding: 10px 9px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; border-radius: 8px;
}
.menu > li > a:hover, .menu > li > button:hover, .menu > li:focus-within > button { color: var(--gold-2); }
.menu .caret { font-size: .6rem; opacity: .7; transition: transform .3s; }
.menu li:hover .caret, .menu li:focus-within .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: 100%; left: 50%; min-width: 250px; list-style: none; padding: 12px;
  background: rgba(12, 6, 36, .96); border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.7);
  opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: all .3s var(--ease);
}
.menu li:hover > .dropdown, .menu li:focus-within > .dropdown { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.dropdown a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-size: 1rem; }
.dropdown a small { display: block; color: var(--muted); font-size: .82rem; line-height: 1.3; }
.dropdown a:hover { background: rgba(214, 154, 40, .1); color: var(--gold-2); }
.dropdown .dd-label { font-family: var(--caps); font-size: .64rem; letter-spacing: .24em; color: var(--gold); padding: 6px 12px 4px; text-transform: uppercase; }
.nav .btn { padding: .85em 1.4em; font-size: .7rem; white-space: nowrap; }
.burger { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; color: var(--gold-2); font-size: 1.3rem; cursor: pointer; }
@media (max-width: 1300px) {
  .menu, .nav > .btn { display: none; }
  .burger { display: block; }
}
.mobile-panel {
  position: fixed; inset: 0; z-index: 60; background: rgba(7, 4, 26, .97); backdrop-filter: blur(10px);
  padding: 90px 28px 40px; overflow-y: auto; opacity: 0; visibility: hidden; transition: opacity .35s;
}
.mobile-panel.open { opacity: 1; visibility: visible; }
.mobile-panel .close { position: absolute; top: 22px; right: 22px; }
.mobile-panel details { border-bottom: 1px solid var(--line); }
.mobile-panel summary, .mobile-panel > a { display: block; font-family: var(--caps); letter-spacing: .16em; text-transform: uppercase; font-size: .9rem; color: var(--parchment); padding: 18px 0; cursor: pointer; list-style: none; }
.mobile-panel > a { border-bottom: 1px solid var(--line); }
.mobile-panel details a { display: block; padding: 8px 0 8px 14px; color: var(--ink); }
.mobile-panel details[open] { padding-bottom: 12px; }
.mobile-panel .btn { margin-top: 28px; width: 100%; justify-content: center; }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 140px 0 120px; overflow: hidden; }
.hero .wrap { position: relative; z-index: 2; }
.hero-mark { width: 120px; margin: 0 auto 30px; filter: drop-shadow(0 0 30px rgba(214,154,40,.45)); animation: float 7s ease-in-out infinite; }
.hero h1 { color: var(--gold); text-shadow: 0 0 40px rgba(214, 154, 40, .25); }
.hero h1 em { font-style: italic; color: var(--gold-2); }
.hero .sub { font-family: var(--serif-display); font-size: clamp(1.25rem, 2.2vw, 1.75rem); color: var(--gold-2); opacity: .85; margin-top: 18px; font-style: italic; }
.hero .lead { margin-top: 26px; font-size: 1.2rem; }
.hero-arc {
  position: absolute; left: 50%; top: 80%; width: min(125vw, 1700px); aspect-ratio: 1; transform: translateX(-50%); overflow: visible;
  pointer-events: none; z-index: 1;
}
.hero-arc circle { fill: none; stroke: url(#arcGold); stroke-width: 34; stroke-dasharray: 3200; stroke-dashoffset: 3200; animation: drawArc 3.2s var(--ease) .4s forwards; }
.hero-arc .glow { stroke-width: 110; opacity: .08; }
@keyframes drawArc { to { stroke-dashoffset: 0; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
.scroll-hint { position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 3; font-family: var(--caps); font-size: .62rem; letter-spacing: .4em; color: var(--gold-2); opacity: .7; text-align: center; }
.scroll-hint::after { content: ""; display: block; width: 1px; height: 44px; margin: 10px auto 0; background: linear-gradient(var(--gold), transparent); animation: drip 2.4s ease-in-out infinite; }
@keyframes drip { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* page hero (inner pages) */
.page-hero { padding: 190px 0 90px; }
.page-hero h1 { font-size: clamp(2.5rem, 5.5vw, 4.6rem); color: var(--parchment); }
.page-hero h1 em { color: var(--gold); font-style: italic; }
.page-hero .lead { margin-top: 22px; }
.breadcrumb { font-family: var(--caps); font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); margin-bottom: 26px; }
.breadcrumb a { color: var(--muted); } .breadcrumb a:hover { color: var(--gold-2); }

/* ---------- Cards ---------- */
.card {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
  overflow: hidden;
}
.card::before { /* corner filigree */
  content: ""; position: absolute; inset: 10px; border: 1px solid rgba(233, 196, 122, .07); border-radius: 9px; pointer-events: none;
}
a.card { display: block; color: inherit; }
a.card:hover, .card.hoverable:hover { transform: translateY(-6px); border-color: rgba(233, 196, 122, .5); box-shadow: 0 30px 60px -30px rgba(214, 154, 40, .45); }
.card h3 { margin-bottom: .55rem; }
.card .num { font-family: var(--caps); color: var(--gold); font-size: .8rem; letter-spacing: .25em; margin-bottom: 1rem; display: block; }
.card .tag { font-family: var(--caps); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); border: 1px solid var(--gold-dim); border-radius: 999px; padding: .35em .9em; display: inline-block; margin: 0 6px 8px 0; }
.card p { color: var(--ink); font-size: 1.02rem; }
.card .link-arrow { margin-top: 1.4rem; }
.card-icon { width: 52px; height: 52px; margin-bottom: 1.2rem; color: var(--gold); }
.card-icon svg { width: 100%; height: 100%; }

/* curriculum seals */
.seals { display: flex; justify-content: center; flex-wrap: wrap; gap: clamp(20px, 5vw, 70px); margin-top: 50px; }
.seal { text-align: center; }
.seal .ring {
  width: 128px; height: 128px; border-radius: 50%; border: 1px solid var(--gold); display: grid; place-items: center; margin: 0 auto 14px;
  font-family: var(--caps); font-size: 1.35rem; letter-spacing: .08em; color: var(--gold-2);
  box-shadow: inset 0 0 0 6px rgba(7, 4, 26, .8), inset 0 0 0 7px var(--gold-dim), 0 0 40px -10px rgba(214,154,40,.5);
  background: radial-gradient(circle, rgba(58,28,116,.6), rgba(20,10,51,.6));
}
.seal small { font-size: .9rem; color: var(--muted); }

/* quote / verse */
.verse { font-family: var(--serif-display); font-style: italic; font-size: clamp(1.7rem, 3.4vw, 2.7rem); line-height: 1.35; color: var(--parchment); }
.verse .gold { font-style: normal; }
.verse-cite { margin-top: 20px; font-family: var(--caps); font-size: .7rem; letter-spacing: .3em; color: var(--gold); text-transform: uppercase; }

/* steps */
.steps { counter-reset: s; }
.step { position: relative; padding-top: 26px; border-top: 1px solid var(--line); }
.step::before { counter-increment: s; content: counter(s, decimal-leading-zero); font-family: var(--caps); color: var(--gold); font-size: .85rem; letter-spacing: .2em; display: block; margin-bottom: 14px; }
.step h4 { margin-bottom: .4rem; }
.step p { font-size: 1rem; }

/* faint equations floating in the background */
.equations { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.equations span { position: absolute; font-family: var(--serif-display); font-style: italic; color: var(--gold-2); opacity: .07; white-space: nowrap; font-size: clamp(1.2rem, 2.4vw, 2.2rem); }

/* panel band */
.band { background: linear-gradient(180deg, rgba(36,16,80,.0), rgba(36,16,80,.45) 20%, rgba(36,16,80,.45) 80%, rgba(36,16,80,0)); }

/* stats strip */
.facts { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(20,10,51,.6); }
.facts div { padding: 26px 24px; border-right: 1px solid var(--line); }
.facts div:last-child { border-right: 0; }
.facts small { font-family: var(--caps); font-size: .64rem; letter-spacing: .24em; color: var(--gold); text-transform: uppercase; display: block; margin-bottom: 6px; }
.facts strong { font-family: var(--serif-display); font-size: 2rem; color: var(--parchment); font-weight: 600; }
@media (max-width: 760px) { .facts { grid-template-columns: repeat(2, 1fr); } .facts div:nth-child(2) { border-right: 0; } .facts div:nth-child(-n+2) { border-bottom: 1px solid var(--line); } }

/* table */
.table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.table th { font-family: var(--caps); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--gold-dim); }
.table td { padding: 18px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.table td:first-child { font-family: var(--caps); color: var(--gold); }
.table td strong { color: var(--parchment); font-family: var(--serif-display); font-size: 1.2rem; font-weight: 600; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(20,10,51,.55); }

/* CTA */
.cta { text-align: center; }
.cta-box { border: 1px solid var(--gold-dim); border-radius: 24px; padding: clamp(50px, 8vw, 90px) 30px; background: radial-gradient(80% 120% at 50% 0%, rgba(75,30,134,.6), rgba(20,10,51,.7)); position: relative; overflow: hidden; }
.cta-box h2 { color: var(--gold); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: rgba(5, 3, 18, .85); padding: 80px 0 30px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.foot-grid h5 { font-family: var(--caps); font-size: .7rem; letter-spacing: .24em; color: var(--gold); text-transform: uppercase; margin-bottom: 16px; font-weight: 400; }
.foot-grid ul { list-style: none; }
.foot-grid li { margin-bottom: 8px; font-size: 1rem; }
.foot-grid li a { color: var(--ink); } .foot-grid li a:hover { color: var(--gold-2); }
.foot-brand img { height: 52px; width: auto; margin-bottom: 18px; }
.foot-brand p { font-family: var(--serif-display); font-style: italic; font-size: 1.3rem; color: var(--gold-2); }
.foot-bottom { margin-top: 60px; padding-top: 24px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .9rem; color: var(--muted); }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; } }

/* ---------- Grade questionnaire ---------- */
.grade-ask {
  position: fixed; left: 50%; bottom: 24px; z-index: 70; width: min(560px, calc(100% - 28px));
  transform: translate(-50%, 140%); opacity: 0; transition: transform .7s var(--ease), opacity .7s;
  background: linear-gradient(180deg, #24104f, #0f0729); border: 1px solid var(--gold-dim);
  border-radius: 20px; padding: 26px 26px 22px; box-shadow: 0 40px 90px -20px rgba(0,0,0,.8), 0 0 60px -20px rgba(214,154,40,.4);
}
.grade-ask.show { transform: translate(-50%, 0); opacity: 1; }
.grade-ask h4 { font-size: 1.5rem; color: var(--gold-2); margin: 4px 0 4px; }
.grade-ask p { font-size: .98rem; color: var(--muted); }
.grade-ask .choices { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; }
.grade-ask .choice {
  display: block; text-align: left; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line); background: rgba(7,4,26,.5); color: var(--parchment);
  transition: border-color .3s, background .3s, transform .3s;
}
.grade-ask .choice:hover { border-color: var(--gold); background: rgba(214,154,40,.08); transform: translateY(-2px); color: var(--parchment); }
.grade-ask .choice b { font-family: var(--serif-display); font-size: 1.45rem; display: block; color: var(--gold); font-weight: 600; }
.grade-ask .choice span { font-size: .9rem; color: var(--ink); }
.grade-ask .skip { position: absolute; top: 12px; right: 14px; background: none; border: 0; color: var(--muted); font-size: 1.4rem; cursor: pointer; line-height: 1; padding: 6px; }
.grade-ask .skip:hover { color: var(--gold-2); }
.grade-ask .eyebrow { margin-bottom: 4px; font-size: .62rem; }
@media (max-width: 460px) { .grade-ask { padding: 20px 18px 16px; } .grade-ask h4 { font-size: 1.3rem; } .grade-ask p { font-size: .9rem; } .grade-ask .choice { padding: 12px 14px; } .grade-ask .choice b { font-size: 1.2rem; } .grade-ask .choice span { font-size: .8rem; } }

/* inline grade chooser (hero) */
.grade-inline { margin-top: 44px; display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: center; padding: 10px 12px 10px 22px; border: 1px solid var(--line); border-radius: 999px; background: rgba(12,6,36,.55); backdrop-filter: blur(6px); }
.grade-inline span { font-style: italic; color: var(--parchment); margin-right: 6px; }
.grade-inline a { font-family: var(--caps); font-size: .7rem; letter-spacing: .16em; padding: .75em 1.2em; border-radius: 999px; border: 1px solid var(--gold-dim); color: var(--gold-2); }
.grade-inline a:hover { background: var(--gold); color: var(--indigo); }

/* ---------- Scroll reveal ---------- */
[data-reveal] { opacity: 0; transform: translateY(36px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease); transition-delay: var(--d, 0s); }
[data-reveal="left"] { transform: translateX(-40px); }
[data-reveal="right"] { transform: translateX(40px); }
[data-reveal="zoom"] { transform: scale(.94); }
[data-reveal].in { opacity: 1; transform: none; }

/* ---------- The Spine (Unified Program pages) ---------- */
.spine-section { padding-top: 40px; }
.spine { position: relative; padding: 40px 0 0; }
.spine-svg { position: absolute; top: 0; left: 50%; width: 4px; height: 100%; transform: translateX(-50%); overflow: visible; }
.spine-track { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; transform: translateX(-50%); background: rgba(233,196,122,.12); }
.spine-fill { position: absolute; top: 0; left: 50%; width: 3px; transform: translateX(-50%); height: 0; background: linear-gradient(180deg, var(--gold-2), var(--gold)); box-shadow: 0 0 18px rgba(214,154,40,.8), 0 0 4px rgba(255,220,150,.9); border-radius: 3px; }
.spine-fill::after { content: ""; position: absolute; bottom: -7px; left: 50%; width: 14px; height: 14px; border-radius: 50%; transform: translateX(-50%); background: #fff3d6; box-shadow: 0 0 20px 6px rgba(233,196,122,.9); }
.node { position: relative; display: grid; grid-template-columns: 1fr 80px 1fr; align-items: center; margin-bottom: 90px; }
.node .dot { grid-row: 1; grid-column: 2; justify-self: center; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--gold-dim); background: var(--night); transition: all .6s var(--ease); z-index: 2; }
.node.lit .dot { border-color: var(--gold-2); background: var(--gold); box-shadow: 0 0 0 8px rgba(214,154,40,.15), 0 0 30px rgba(214,154,40,.9); }
.node .topic { grid-row: 1; grid-column: 1; text-align: right; opacity: .25; transform: translateX(-30px); transition: all .9s var(--ease); }
.node.alt .topic { grid-column: 3; text-align: left; transform: translateX(30px); }
.node.lit .topic { opacity: 1; transform: none; }
.node .topic .num { font-family: var(--caps); font-size: .72rem; letter-spacing: .26em; color: var(--gold); }
.node .topic h3 { margin: 6px 0 8px; }
.node .topic ul { list-style: none; color: var(--ink); font-size: 1rem; }
.node .topic li::before { content: "✦ "; color: var(--gold); font-size: .7em; }
.node .branch { grid-column: 3; grid-row: 1; position: relative; padding-left: 40px; opacity: 0; transform: translateX(-20px); transition: all .9s var(--ease) .25s; }
.node.alt .branch { grid-column: 1; padding-left: 0; padding-right: 40px; transform: translateX(20px); }
.node .branch::before { content: ""; position: absolute; top: 50%; left: -40px; width: 0; height: 2px; background: linear-gradient(90deg, var(--gold), rgba(214,154,40,.3)); transition: width .8s var(--ease) .15s; }
.node.alt .branch::before { left: auto; right: -40px; background: linear-gradient(-90deg, var(--gold), rgba(214,154,40,.3)); }
.node.lit .branch { opacity: 1; transform: none; }
.node.lit .branch::before { width: 80px; }
.branch .card { padding: 22px 22px; border-style: dashed; border-color: rgba(233,196,122,.4); background: rgba(75,30,134,.35); }
.branch .card h4 { color: var(--gold-2); margin-bottom: 4px; font-size: 1.15rem; }
.branch .card p { font-size: .95rem; }
.spine-end { position: relative; text-align: center; padding-top: 20px; }
.fan { position: relative; height: 140px; }
.fan svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.fan path { fill: none; stroke: var(--gold); stroke-width: 2; stroke-dasharray: 600; stroke-dashoffset: 600; transition: stroke-dashoffset 1.6s var(--ease); filter: drop-shadow(0 0 6px rgba(214,154,40,.7)); }
.fan.in path { stroke-dashoffset: 0; }
.fan.in path:nth-child(2) { transition-delay: .15s; } .fan.in path:nth-child(3) { transition-delay: .3s; }
.curricula-cards .card h3 { color: var(--gold); }
.curricula-cards .card ul { list-style: none; margin-top: 12px; font-size: 1rem; }
.curricula-cards .card li { padding: 8px 0; border-top: 1px solid var(--line); }
@media (max-width: 760px) {
  .spine-track, .spine-fill { left: 18px; }
  .node { grid-template-columns: 36px 1fr; margin-bottom: 60px; }
  .node .dot { grid-column: 1; grid-row: 1; justify-self: start; margin-left: 7px; align-self: start; margin-top: 8px; }
  .node .topic, .node.alt .topic { grid-column: 2; grid-row: 1; text-align: left; transform: translateY(20px); }
  .node .branch, .node.alt .branch { grid-column: 2; grid-row: 2; padding: 16px 0 0 0; transform: translateY(10px); }
  .node .branch::before, .node.alt .branch::before { display: none; }
  .fan { display: none; }
}

/* timeline (grade pages) */
.timeline { position: relative; display: grid; grid-template-columns: repeat(7, 1fr); gap: 0; margin-top: 30px; }
.timeline::before { content: ""; position: absolute; top: 15px; left: 7%; right: 7%; height: 1px; background: var(--gold-dim); }
.timeline .yr { text-align: center; position: relative; padding: 0 6px; }
.timeline .yr i { display: block; width: 30px; height: 30px; border-radius: 50%; margin: 0 auto 14px; border: 1px solid var(--gold); background: var(--night); position: relative; }
.timeline .yr.now i { background: var(--gold); box-shadow: 0 0 24px rgba(214,154,40,.8); }
.timeline .yr b { font-family: var(--caps); font-size: .78rem; letter-spacing: .14em; color: var(--gold-2); display: block; }
.timeline .yr span { font-size: .9rem; color: var(--muted); display: block; line-height: 1.35; margin-top: 4px; }
@media (max-width: 760px) { .timeline { grid-template-columns: 1fr; gap: 18px; } .timeline::before { display: none; } .timeline .yr { display: grid; grid-template-columns: 40px 1fr; text-align: left; } .timeline .yr i { margin: 0; } }

/* forms */
.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form .row { grid-template-columns: 1fr; } }
.form label { font-family: var(--caps); font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: var(--gold); display: block; margin-bottom: 8px; }
.form input, .form select, .form textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--parchment); background: rgba(7,4,26,.6);
  border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; transition: border-color .3s, box-shadow .3s;
}
.form select option { background: var(--indigo); }
.form input:focus, .form select:focus, .form textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 4px rgba(214,154,40,.12); }
.form textarea { min-height: 130px; resize: vertical; }
.contact-list { list-style: none; }
.contact-list li { padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-list small { font-family: var(--caps); font-size: .64rem; letter-spacing: .22em; color: var(--gold); text-transform: uppercase; display: block; }
.placeholder { border: 1px dashed rgba(233,196,122,.5); border-radius: 6px; padding: 0 .35em; color: var(--gold-2); }

/* team */
.person .portrait { aspect-ratio: 4/5; border-radius: 10px; margin-bottom: 18px; background: radial-gradient(circle at 50% 35%, rgba(75,30,134,.9), rgba(20,10,51,.9)); border: 1px solid var(--line); display: grid; place-items: center; }
.person .portrait img { width: 40%; opacity: .5; }
.person h4 { font-size: 1.4rem; }
.person .role { font-family: var(--caps); font-size: .64rem; letter-spacing: .22em; color: var(--gold); text-transform: uppercase; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero-arc circle { stroke-dashoffset: 0; }
  .node .topic, .node .branch { opacity: 1; transform: none; }
}

h2 + .lead, h1 + .lead { margin-top: 1rem; }
@media (max-width: 700px) {
  .hero-arc { top: 86%; width: 190vw; }
  .grade-inline { border-radius: 22px; padding: 14px; }
  .grade-inline span { width: 100%; text-align: center; margin: 0 0 4px; }
}