:root {
  --drape: #1E4A66;      /* sterile-wrap blue: headings, brand */
  --drape-deep: #133349;
  --saline: #DCEBF2;     /* pale IV-fluid aqua: section fills */
  --form: #F7FAFB;       /* cool white page */
  --ink: #13212C;
  --ink-soft: #4A5B68;
  --prep: #E2721F;       /* chlorhexidine orange: the one accent */
  --met: #23805C;        /* "met" green on the check-off sheet */
  --rule: #C9D8E0;

  --display: "Archivo", "Arial Narrow", sans-serif;
  --body: "Public Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 6px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  background: var(--form);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--drape); }
h1, h2, h3 { font-family: var(--display); color: var(--drape-deep); margin: 0; line-height: 1.05; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.6rem); font-weight: 800; font-stretch: 118%; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); font-weight: 750; font-stretch: 112%; letter-spacing: -0.015em; }
h3 { font-size: 1.05rem; font-weight: 700; font-stretch: 100%; letter-spacing: 0; }
p { margin: 0; }

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

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; }

.eyebrow {
  font: 500 0.78rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--prep);
  margin-bottom: 18px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--drape); color: #fff;
  font: 650 1rem/1 var(--body);
  padding: 16px 26px; border: 0; border-radius: var(--radius);
  text-decoration: none; cursor: pointer;
  transition: background .2s ease, transform .2s ease;
}
.btn:hover { background: var(--drape-deep); }
.btn:active { transform: translateY(1px); }
.btn-small { padding: 11px 16px; font-size: .92rem; }
.link-arrow { font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--rule); padding-bottom: 2px; }
.link-arrow:hover { border-color: var(--prep); }
.link-arrow::after { content: " \2193"; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--form) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.header-row { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--drape); }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; font-family: var(--display); }
.brand-text b { font-weight: 800; font-stretch: 120%; font-size: 1.15rem; color: var(--drape-deep); letter-spacing: -0.01em; }
.brand-text span { font: 500 0.66rem/1.4 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft); margin-top: 3px; }
.nav ul { list-style: none; display: flex; align-items: center; gap: 28px; margin: 0; padding: 0; }
.nav a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: .95rem; }
.nav a:not(.btn):hover { color: var(--drape); text-decoration: underline; text-underline-offset: 5px; }
.nav-toggle { display: none; }

/* Hero */
.hero { padding: clamp(40px, 7vw, 96px) 0 clamp(56px, 8vw, 112px); }
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.lede { font-size: 1.2rem; color: var(--ink-soft); margin-top: 26px; max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; margin-top: 36px; }
.hero-media { margin: 0; position: relative; }
.hero-media img { border-radius: var(--radius); aspect-ratio: 4 / 3.3; object-fit: cover; width: 100%; }
.rate-tag {
  position: absolute; left: -22px; bottom: 28px;
  background: var(--ink); color: #7FE3C0;
  font: 500 1.6rem/1 var(--mono);
  padding: 14px 18px; border-radius: 4px;
  box-shadow: 0 14px 30px -12px rgba(19,33,44,.55);
  display: flex; align-items: baseline; gap: 10px;
}
.rate-tag span { font-size: .62rem; letter-spacing: .14em; color: #9FB4C2; }
.rate-tag small { font-size: .75rem; color: #9FB4C2; }

/* Skills: the check-off sheet */
.skills { background: var(--saline); padding: clamp(64px, 9vw, 120px) 0; }
.section-head { max-width: 46rem; margin-bottom: 48px; }
.section-head p:not(.eyebrow) { margin-top: 18px; color: var(--ink-soft); font-size: 1.1rem; }

.sheet {
  position: relative;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 4px;
  box-shadow: 0 1px 0 var(--rule), 0 30px 60px -40px rgba(19,51,73,.45);
  /* faint ruled-form lines */
  background-image: repeating-linear-gradient(to bottom, transparent 0 31px, #EEF4F7 31px 32px);
}
.sheet-top {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 40px;
  padding: 26px clamp(18px, 3vw, 36px);
  border-bottom: 2px solid var(--drape);
  background: #fff;
}
.sheet-kicker { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.sheet-title { font: 700 1.25rem/1.2 var(--display); font-stretch: 110%; color: var(--drape-deep); margin-top: 8px; }
.sheet-fields { display: flex; gap: 22px; margin: 0; flex-wrap: wrap; }
.sheet-fields div { min-width: 120px; }
.sheet-fields dt { font: 500 .68rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); }
.sheet-fields dd { margin: 10px 0 0; border-bottom: 1px solid var(--ink-soft); height: 18px; }

.skill-list { list-style: none; margin: 0; padding: 0; }
.skill { border-bottom: 1px solid var(--rule); background: #fff; }
.skill-row { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 16px; padding: 0 clamp(18px, 3vw, 36px) 0 0; }
.skill-num {
  align-self: stretch; display: grid; place-items: center;
  font: 600 1.05rem/1 var(--mono); color: var(--drape);
  border-right: 1px solid var(--rule);
}
.skill-open {
  all: unset; cursor: pointer;
  padding: 22px 0;
  font: 600 1.08rem/1.35 var(--body); color: var(--ink);
  display: flex; align-items: center; gap: 12px;
}
.skill-open::after {
  content: "+"; margin-left: auto; padding-left: 12px;
  font: 400 1.4rem/1 var(--mono); color: var(--drape);
  transition: transform .25s ease;
}
.skill-open[aria-expanded="true"]::after { transform: rotate(45deg); }
.skill-open:hover { color: var(--drape); }
.skill-open:focus-visible { outline: 3px solid var(--prep); outline-offset: 2px; }

.met { display: flex; align-items: center; gap: 10px; cursor: pointer; font: 500 .74rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); white-space: nowrap; }
.met input {
  appearance: none; margin: 0; width: 26px; height: 26px; flex: none;
  border: 2px solid var(--ink-soft); border-radius: 3px; background: #fff;
  display: grid; place-items: center; cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.met input::after { content: ""; width: 7px; height: 13px; border: solid #fff; border-width: 0 3px 3px 0; transform: rotate(45deg) translate(-1px, -1px) scale(0); transition: transform .15s ease; }
.met input:checked { background: var(--met); border-color: var(--met); }
.met input:checked::after { transform: rotate(45deg) translate(-1px, -1px) scale(1); }
.met input:checked + span { color: var(--met); }

.skill-body {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(20px, 3vw, 40px);
  padding: 4px clamp(18px, 3vw, 36px) 32px 72px;
}
.skill-body[hidden] { display: none; }
.skill-body img { border-radius: 4px; aspect-ratio: 3 / 2; object-fit: cover; }
.skill-body h3 { margin-bottom: 12px; }
.skill-body ul { margin: 0; padding-left: 1.1em; color: var(--ink-soft); }
.skill-body li + li { margin-top: 8px; }
.skill-body li::marker { color: var(--prep); }

.sheet-foot {
  position: relative;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  padding: 24px clamp(18px, 3vw, 36px);
  background: #fff;
  border-radius: 0 0 4px 4px;
}
.tally { font: 500 .9rem/1 var(--mono); color: var(--drape-deep); }
.tally span { font-size: 1.2rem; }
.tally-bar { flex: 1; min-width: 140px; max-width: 360px; height: 6px; background: var(--saline); border-radius: 3px; overflow: hidden; }
.tally-bar span { display: block; height: 100%; width: 100%; background: var(--met); transform: scaleX(0); transform-origin: left; transition: transform .35s cubic-bezier(.16, 1, .3, 1); }
.stamp {
  position: absolute; right: clamp(18px, 4vw, 48px); bottom: 14px;
  font: 800 1.05rem/1.05 var(--display); font-stretch: 125%; text-transform: uppercase; text-align: center; letter-spacing: .02em;
  color: var(--prep);
  border: 3px solid var(--prep); border-radius: 6px; padding: 8px 14px;
  transform: rotate(-8deg) scale(1.4); opacity: 0;
  transition: opacity .25s ease, transform .4s cubic-bezier(.16, 1, .3, 1);
  pointer-events: none;
  mix-blend-mode: multiply;
}
.sheet.complete .stamp { opacity: .92; transform: rotate(-8deg) scale(1); }

/* Lab day */
.lab-day { padding: clamp(64px, 9vw, 120px) 0; }
.lab-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.lab-media { margin: 0; }
.lab-media img { border-radius: var(--radius); aspect-ratio: 4 / 3.6; object-fit: cover; }
.steps { list-style: none; counter-reset: step; margin: 34px 0 0; padding: 0; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; padding: 18px 0; border-top: 1px solid var(--rule); }
.steps li::before { content: counter(step); grid-row: span 2; font: 500 .95rem/1.5 var(--mono); color: var(--prep); }
.steps b { font: 700 1.1rem/1.4 var(--display); font-stretch: 108%; color: var(--drape-deep); }
.steps span { color: var(--ink-soft); margin-top: 4px; }

/* Who */
.who { background: var(--drape-deep); color: #E4EEF3; padding: clamp(64px, 9vw, 120px) 0; }
.who h2, .who h3 { color: #fff; }
.who-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: clamp(32px, 6vw, 96px); align-items: center; }
.who-list { list-style: none; padding: 0; margin: 32px 0 0; }
.who-list li { padding: 16px 0 16px 34px; border-top: 1px solid rgba(255,255,255,.16); position: relative; font-size: 1.1rem; }
.who-list li::before { content: ""; position: absolute; left: 4px; top: 25px; width: 12px; height: 7px; border: solid var(--prep); border-width: 0 0 3px 3px; transform: rotate(-45deg); }
.bring { margin-top: 36px; padding: 22px 24px; border: 1px solid rgba(255,255,255,.22); border-radius: var(--radius); }
.bring p { margin-top: 8px; color: #C4D5DF; }
.who-media { margin: 0; }
.who-media img { border-radius: var(--radius); aspect-ratio: 4 / 5; object-fit: cover; }
.who-media figcaption { font: 500 .78rem/1.5 var(--mono); letter-spacing: .04em; color: #9FB4C2; margin-top: 14px; }

/* FAQ */
.faq { padding: clamp(64px, 9vw, 120px) 0; }
.faq-wrap { max-width: 820px; }
.faq h2 { margin-bottom: 28px; }
.faq details { border-top: 1px solid var(--rule); }
.faq details:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 40px 22px 0; position: relative; font-weight: 600; font-size: 1.1rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 18px; font: 400 1.5rem/1 var(--mono); color: var(--drape); transition: transform .25s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 24px; color: var(--ink-soft); max-width: 40em; }

/* Enroll */
.enroll { background: var(--saline); padding: clamp(64px, 9vw, 120px) 0; }
.enroll-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: clamp(32px, 6vw, 88px); align-items: start; }
.enroll-copy p:not(.eyebrow) { margin-top: 18px; color: var(--ink-soft); font-size: 1.1rem; }
.enroll-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; background: #fff; padding: clamp(20px, 3vw, 36px); border-radius: var(--radius); border: 1px solid var(--rule); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-wide { grid-column: 1 / -1; }
.field label { font: 500 .74rem/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.field small { text-transform: none; letter-spacing: 0; }
.field input, .field select, .field textarea {
  font: 400 1rem/1.4 var(--body); color: var(--ink);
  padding: 12px 14px; border: 1px solid #A9BDC9; border-radius: 4px; background: var(--form);
  width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--drape); outline-offset: 0; border-color: var(--drape); background: #fff; }
.enroll-form .btn { grid-column: 1 / -1; justify-self: start; }
.hp { position: absolute; left: -9999px; }

/* Footer */
.site-footer { background: var(--ink); color: #9FB4C2; padding: 48px 0; font-size: .95rem; }
.footer-row { display: grid; grid-template-columns: auto 1fr auto; gap: 16px 40px; align-items: center; }
.footer-brand b { color: #fff; }
.footer-brand span { color: #9FB4C2; }
.site-footer a { color: #fff; }
.fine { grid-column: 1 / -1; font-size: .8rem; border-top: 1px solid rgba(255,255,255,.12); padding-top: 20px; }

/* Thank-you page */
.thanks { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.thanks p { margin: 20px auto 32px; color: var(--ink-soft); max-width: 32em; font-size: 1.1rem; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .lab-grid, .who-grid, .enroll-grid { grid-template-columns: 1fr; }
  .rate-tag { left: 14px; bottom: 14px; font-size: 1.2rem; }
  .who-media { max-width: 460px; }
  .footer-row { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav-toggle {
    display: block; background: none; border: 1px solid var(--rule); border-radius: 4px;
    padding: 9px 14px; font: 500 .8rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--drape); cursor: pointer;
  }
  .nav ul {
    display: none; position: absolute; left: 0; right: 0; top: 72px;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--form); border-bottom: 1px solid var(--rule); padding: 8px var(--gutter) 20px;
  }
  .nav ul.open { display: flex; }
  .nav li a:not(.btn) { display: block; padding: 14px 0; border-bottom: 1px solid var(--rule); }
  .nav li .btn { margin-top: 16px; width: 100%; }
}
@media (max-width: 640px) {
  .skill-row { grid-template-columns: 40px 1fr; padding-right: 16px; }
  .skill-open { padding: 18px 0 8px; font-size: 1rem; }
  .met { grid-column: 2; padding-bottom: 16px; }
  .skill-body { grid-template-columns: 1fr; padding: 0 16px 24px 56px; }
  .sheet-fields div { min-width: 90px; }
  .enroll-form { grid-template-columns: 1fr; }
  .stamp { position: static; transform: rotate(-6deg) scale(1); display: none; }
  .sheet.complete .stamp { display: block; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}