:root {
  --ink: #17202e;
  --muted: #5a6577;
  --border: #d8dee8;
  --navy: #0f2747;
  --primary: #1d5fa8;
  --primary-dark: #164c88;
  --primary-container: #e8f0fa;
  --accent: #b9530f;
  --accent-dark: #9a4309;
  --accent-container: #fcefe3;
  --surface: #ffffff;
  --surface-alt: #f1f4f8;
  --bg: #ffffff;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 39, 71, .06), 0 1px 3px rgba(15, 39, 71, .05);
  --shadow-md: 0 2px 6px rgba(15, 39, 71, .08), 0 8px 24px rgba(15, 39, 71, .08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); }
a:hover { color: var(--primary-dark); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--navy); color: #fff; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border); backdrop-filter: blur(6px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 80px; gap: 1rem; }
.brand img { height: 56px; width: auto; }
.nav { display: flex; align-items: center; gap: .25rem; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--navy); font-weight: 600; font-size: .97rem; padding: .5rem .8rem; border-radius: 8px; }
.nav a:hover { background: var(--surface-alt); }
.nav a[aria-current="page"] { color: var(--accent); }
.nav .btn { color: #fff; margin-left: .4rem; }
.nav .btn:hover { background: var(--primary-dark); }

/* Buttons */
.btn { display: inline-block; background: var(--primary); color: #fff; text-decoration: none; font-weight: 700; padding: .8rem 1.4rem; border-radius: 8px; border: 0; cursor: pointer; font-size: 1rem; font-family: inherit; transition: background .15s; }
.btn:hover { background: var(--primary-dark); color: #fff; }
.btn-accent { background: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--primary); box-shadow: inset 0 0 0 2px var(--primary); }
.btn-ghost:hover { background: var(--primary-container); color: var(--primary-dark); }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.08rem; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }

/* Hero */
.hero { background: linear-gradient(180deg, #fff 0%, var(--primary-container) 100%); padding: 4.5rem 0 3.5rem; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 3rem; align-items: center; }
.eyebrow { text-transform: uppercase; letter-spacing: .09em; font-size: .78rem; font-weight: 800; color: var(--accent); margin: 0 0 .6rem; }
h1, h2, h3 { color: var(--navy); line-height: 1.2; margin: 0 0 .7rem; }
h1 { font-size: clamp(2rem, 4.6vw, 3.1rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); letter-spacing: -.01em; }
h3 { font-size: 1.15rem; }
.lead { font-size: 1.2rem; color: #33405a; max-width: 38em; }
.cta-row { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1.6rem; }
.hero-shot img { border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--border); }

/* Sections */
section { padding: 4rem 0; }
.alt { background: var(--surface-alt); }
.section-head { max-width: 42em; margin-bottom: 2.2rem; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }
.center { text-align: center; margin-left: auto; margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-sm); }
.card h3 { margin-bottom: .4rem; }
.card p { margin: 0; color: var(--muted); font-size: .98rem; }
.card .tag { display: inline-block; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin-bottom: .5rem; }
.card-accent { border-top: 4px solid var(--accent); }
.card-blue { border-top: 4px solid var(--primary); }

.steps { counter-reset: s; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; list-style: none; padding: 0; margin: 0; }
.steps li { counter-increment: s; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.3rem; box-shadow: var(--shadow-sm); }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--navy); color: #fff; font-weight: 800; margin-bottom: .6rem; }
.steps strong { display: block; color: var(--navy); margin-bottom: .2rem; }
.steps span { color: var(--muted); font-size: .96rem; }

.band { background: var(--navy); color: #fff; padding: 3.4rem 0; text-align: center; }
.band h2 { color: #fff; }
.band p { color: #c9d6ea; max-width: 36em; margin: 0 auto 1.4rem; font-size: 1.1rem; }

.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding-left: 1.8rem; position: relative; margin: .55rem 0; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }

/* Page header (inner pages) */
.page-head { background: linear-gradient(180deg, #fff 0%, var(--primary-container) 100%); padding: 3.2rem 0 2.4rem; }
.page-head p { margin: 0; color: #33405a; font-size: 1.15rem; max-width: 40em; }

/* About */
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; align-items: start; }
.prose p { margin: 0 0 1.1rem; }
.prose h2 { margin-top: 2.2rem; }
.prose h2:first-child { margin-top: 0; }
.side { position: sticky; top: 96px; display: grid; gap: 1.2rem; }
.side .card h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); margin-bottom: .6rem; }
.side ul { margin: 0; padding-left: 1.1rem; color: var(--ink); font-size: .96rem; }
.side li { margin: .35rem 0; }
/* about portrait */
.portrait { width: 100%; max-width: 220px; height: auto; border-radius: var(--radius); box-shadow: var(--shadow-md); border: 1px solid var(--border); justify-self: center; }
.timeline { list-style: none; padding: 0; margin: 0; border-left: 3px solid var(--border); }
.timeline li { padding: 0 0 1.4rem 1.4rem; position: relative; }
.timeline li::before { content: ""; position: absolute; left: -9px; top: .45rem; width: 15px; height: 15px; border-radius: 50%; background: var(--accent); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--border); }
.timeline .when { font-size: .8rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.timeline strong { display: block; color: var(--navy); }
.timeline p { margin: .2rem 0 0; color: var(--muted); font-size: .98rem; }
.pull { border-left: 4px solid var(--accent); background: var(--accent-container); padding: 1rem 1.3rem; border-radius: 0 var(--radius) var(--radius) 0; color: #5d2a05; font-size: 1.08rem; margin: 1.6rem 0; }

/* Demo */
.demo-cta { background: var(--primary-container); border: 1px solid #c7daf1; border-radius: var(--radius); padding: 1.6rem; display: flex; justify-content: space-between; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.demo-cta h2 { margin: 0 0 .2rem; font-size: 1.4rem; }
.demo-cta p { margin: 0; color: #33405a; }
.shot { margin: 0 0 3.2rem; }
.shot:last-child { margin-bottom: 0; }
.shot figcaption { margin-top: 1rem; max-width: 46em; }
.shot figcaption h3 { margin-bottom: .25rem; }
.shot figcaption p { margin: 0; color: var(--muted); }
.shot button { all: unset; display: block; cursor: zoom-in; width: 100%; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-md); background: #fff; }
.shot button:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
.shot button img { width: 100%; }
.note { color: var(--muted); font-size: .92rem; }
dialog.lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; }
dialog.lightbox::backdrop { background: rgba(15, 39, 71, .86); }
dialog.lightbox img { max-width: 96vw; max-height: 92vh; border-radius: 8px; background: #fff; margin: 0 auto; }
dialog.lightbox .close { position: fixed; top: 14px; right: 18px; background: #fff; color: var(--navy); border: 0; border-radius: 999px; font-size: 1.6rem; width: 44px; height: 44px; cursor: pointer; font-weight: 700; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 3rem; align-items: start; }
form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
label { display: block; font-weight: 700; color: var(--navy); margin: 1rem 0 .3rem; font-size: .96rem; }
label .opt { font-weight: 500; color: var(--muted); }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); padding: .7rem .8rem; border: 1px solid #b9c2d0; border-radius: 8px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(29, 95, 168, .25); border-color: var(--primary); }
textarea { min-height: 150px; resize: vertical; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.status { margin-top: 1rem; padding: .9rem 1.1rem; border-radius: 8px; display: none; font-weight: 600; }
.status.ok { display: block; background: #e3f3ea; color: #1f5a40; }
.status.err { display: block; background: var(--accent-container); color: #7a3406; }
.fine { color: var(--muted); font-size: .88rem; margin-top: .8rem; }

/* Footer */
.site-footer { background: var(--navy); color: #c9d6ea; padding: 2.6rem 0 2rem; font-size: .94rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; align-items: center; }
.site-footer a { color: #fff; }
.site-footer img { height: 48px; width: auto; background: #fff; border-radius: 8px; padding: 4px 10px; }
.site-footer nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-footer .legal { width: 100%; border-top: 1px solid #284269; padding-top: 1.2rem; font-size: .85rem; color: #93a6c4; }

@media (max-width: 880px) {
  .hero .wrap, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .side { position: static; }
  .hero { padding: 2.6rem 0 2.4rem; }
  section { padding: 3rem 0; }
}
@media (max-width: 620px) {
  .portrait { max-width: 190px; }
  body { font-size: 16px; }
  .site-header .wrap { padding-top: .5rem; padding-bottom: .5rem; }
  .brand img { height: 44px; }
  .nav a { padding: .45rem .55rem; font-size: .9rem; }
  .nav .btn { display: none; }
  .steps { grid-template-columns: 1fr; }
  form .row { grid-template-columns: 1fr; }
}
.nav .signin { font-weight: 700; }
.narrow { max-width: 640px; }
.school-list { list-style: none; margin: .6rem 0 0; padding: 0; }
.school-list li a { display: block; padding: .8rem 1rem; border: 1px solid var(--border); border-radius: 8px; margin-bottom: .5rem; text-decoration: none; font-weight: 700; color: var(--navy); background: var(--surface); }
.school-list li a:hover, .school-list li a:focus-visible { border-color: var(--primary); background: var(--primary-container); }
.signin-sub { margin-top: 2.4rem; font-size: 1.3rem; }
.address-row { display: flex; align-items: center; gap: .5rem; }
.address-row input { flex: 1 1 auto; }
.address-row .suffix { color: var(--muted); white-space: nowrap; }
.error { color: #a12222; font-weight: 600; margin: .4rem 0 0; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }