/* HLA365 website: navy + coral, desktop-first */
:root {
  --navy: #0D1B2A;
  --navy-2: #122335;
  --navy-3: #1B3148;
  --line-dark: #25405c;
  --coral: #F4614F;
  --coral-deep: #C93F2E;      /* coral for text on light grounds */
  --coral-tint: #FDEBE7;
  --paper: #F4F7FA;
  --white: #FFFFFF;
  --ink: #0D1B2A;
  --ink-soft: #3F5266;
  --ink-mute: #6A7C8F;
  --on-navy: #D6E0EA;
  --on-navy-mute: #8EA3B8;
  --good: #1F9B7E;
  --bad: #D9463E;
  --radius: 14px;
  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--ink); margin: 0; line-height: 1.1; text-wrap: balance; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1200px, 100% - 64px); margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 15px/1 var(--font-body);
  padding: 13px 20px; border-radius: 10px; border: 2px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn--lg { font-size: 16px; padding: 16px 26px; }
.btn--block { width: 100%; }
.btn--coral { background: var(--coral); color: var(--navy); }
.btn--coral:hover { background: #ff7765; }
.btn--ghost { background: transparent; color: var(--on-navy); }
.btn--ghost:hover { color: var(--white); }
.btn--outline { border-color: var(--line-dark); color: var(--white); background: transparent; }
.btn--outline:hover { border-color: var(--coral); }
.btn--outline-dark { border-color: var(--navy-3); color: var(--navy); background: transparent; }
.btn--outline-dark:hover { border-color: var(--coral); }
.btn--navy { background: var(--navy); color: var(--white); }
.btn--navy:hover { background: var(--navy-3); }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 20; background: rgba(13, 27, 42, .92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line-dark); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font: 800 24px/1 "Roboto", var(--font-display); color: var(--white); letter-spacing: 0; }
.brand b { color: var(--coral); font-weight: 800; }
.brand img { border-radius: 9px; }
.nav__links { display: flex; gap: 32px; margin-left: auto; }
.nav__links a { color: var(--on-navy); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav__links a:hover { color: var(--white); }
.nav__cta { display: flex; align-items: center; gap: 8px; }

/* ---------- Hero ---------- */
.hero { background: var(--navy); color: var(--on-navy); position: relative; overflow: hidden; padding: 88px 0 0; }
.hero::before {
  content: ""; position: absolute; right: -10%; top: -20%; width: 62%; height: 140%;
  background: var(--navy-2); clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%); opacity: .9;
}
.hero__grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 72px; align-items: center; padding-bottom: 72px; }
.eyebrow { font: 500 13px/1 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--coral); margin-bottom: 22px; }
.eyebrow--dark { color: var(--coral-deep); }
.hero h1 { font-size: clamp(44px, 4.6vw, 64px); font-weight: 800; color: var(--white); letter-spacing: -.025em; }
.hero h1 em { font-style: normal; color: var(--coral); }
.lede { font-size: 19px; line-height: 1.6; margin-top: 26px; max-width: 34em; color: var(--on-navy); }
.hero__actions { display: flex; gap: 14px; margin-top: 36px; }
.hero__facts { display: flex; gap: 44px; margin: 48px 0 0; padding-top: 28px; border-top: 1px solid var(--line-dark); }
.hero__facts dt { font: 800 32px/1 var(--font-display); color: var(--white); }
.hero__facts dd { margin: 6px 0 0; font-size: 14px; color: var(--on-navy-mute); }

/* Question card */
.qcard { background: var(--white); border-radius: 18px; padding: 28px 30px 24px; box-shadow: 0 30px 70px -20px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.06); color: var(--ink-soft); }
.qcard__bar { display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--ink-mute); }
.qcard__topic { font-weight: 600; color: var(--ink-soft); }
.qcard__progress { height: 5px; border-radius: 99px; background: #E3EAF1; margin: 12px 0 22px; overflow: hidden; }
.qcard__progress i { display: block; width: 7%; height: 100%; background: var(--coral); border-radius: 99px; }
.qcard__q { font: 700 22px/1.3 var(--font-display); color: var(--ink); margin-bottom: 18px; }
.qcard__choices { display: grid; gap: 10px; }
.choice {
  display: flex; align-items: center; gap: 14px; text-align: left; width: 100%;
  font: 500 16px/1.3 var(--font-body); color: var(--ink);
  background: var(--paper); border: 2px solid #E1E8EF; border-radius: 12px; padding: 13px 16px; cursor: pointer;
  transition: border-color .15s, background-color .15s;
}
.choice:hover:not(:disabled) { border-color: var(--coral); }
.choice__key { flex: none; width: 26px; height: 26px; border-radius: 7px; display: grid; place-items: center; font: 500 13px var(--font-mono); background: var(--white); border: 1px solid #D3DDE7; color: var(--ink-mute); }
.choice:disabled { cursor: default; }
.choice.is-correct { background: #E4F5F0; border-color: var(--good); }
.choice.is-correct .choice__key { background: var(--good); border-color: var(--good); color: #fff; }
.choice.is-wrong { background: #FCEAE8; border-color: var(--bad); }
.choice.is-wrong .choice__key { background: var(--bad); border-color: var(--bad); color: #fff; }
.choice.is-dim { opacity: .55; }

.qcard__explain { margin-top: 20px; border-top: 1px solid #E3EAF1; padding-top: 16px; }
.tabs { display: inline-flex; gap: 4px; background: var(--paper); padding: 4px; border-radius: 10px; margin-bottom: 14px; }
.tabs button { font: 600 13px var(--font-body); border: 0; background: transparent; color: var(--ink-mute); padding: 8px 14px; border-radius: 7px; cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--navy); color: var(--white); }
.tabpanel { font-size: 15px; line-height: 1.6; min-height: 120px; }
.tabpanel sup { font-size: .7em; }
.recall { margin: 0; display: grid; gap: 4px 14px; grid-template-columns: max-content 1fr; }
.recall dt { font-weight: 600; color: var(--ink); }
.recall dd { margin: 0 0 8px; }
.qcard__hint { margin-top: 16px; font-size: 14px; color: var(--ink-mute); }

/* Allele ticker */
.hero__alleles { position: relative; display: flex; gap: 36px; padding: 18px 32px; border-top: 1px solid var(--line-dark); font: 400 14px var(--font-mono); color: var(--on-navy-mute); white-space: nowrap; overflow: hidden; justify-content: center; }
.hero__alleles span:nth-child(3n+1) { color: var(--coral); opacity: .9; }

/* ---------- Sections ---------- */
.section { padding: 112px 0; }
.section--tint { background: var(--paper); }
#app { overflow-x: clip; }
.section--navy { background: var(--navy); color: var(--on-navy); }
.section__head { margin-bottom: 56px; max-width: 760px; }
.section__head--center { margin-inline: auto; text-align: center; }
.section h2 { font-size: clamp(34px, 3.4vw, 46px); font-weight: 800; letter-spacing: -.02em; }

/* Features */
.features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.feature { background: var(--paper); border-radius: 20px; padding: 36px; display: flex; flex-direction: column; gap: 14px; }
.feature h3 { font-size: 26px; font-weight: 700; }
.feature--lead { grid-column: 1 / -1; background: var(--navy); color: var(--on-navy); flex-direction: row; align-items: stretch; gap: 40px; padding: 48px 0 48px 56px; overflow: hidden; }
.feature--lead h3 { color: var(--white); font-size: 34px; }
.feature--lead .feature__text { flex: 1; display: grid; gap: 16px; }
.ticks li { position: relative; padding-left: 30px; margin-top: 10px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: .5em; width: 14px; height: 8px; border-left: 3px solid var(--coral); border-bottom: 3px solid var(--coral); transform: rotate(-48deg) translateY(-2px); }
.ticks--dark li::before { border-color: var(--coral-deep); }
.meter { margin-top: auto; padding-top: 14px; }
.meter__track { height: 10px; border-radius: 99px; background: #DCE5ED; overflow: hidden; }
.meter__track i { display: block; height: 100%; background: var(--coral); border-radius: 99px; }
.meter span { display: block; margin-top: 10px; font: 500 13px var(--font-mono); color: var(--ink-mute); }
.textlink { margin-top: auto; padding-top: 14px; font-weight: 600; color: var(--coral-deep); text-decoration: none; }
.textlink:hover { text-decoration: underline; }
.textlink::after { content: " \2192"; }

/* Topics */
.topics { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 80px; }
.section--navy h2 { color: var(--white); }
.topics__intro p:last-child { margin-top: 22px; font-size: 18px; max-width: 28em; }
.topics__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.topics h4 { font: 500 13px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--coral); margin: 0 0 12px; }
.topics ul { margin-bottom: 32px; border-top: 1px solid var(--line-dark); }
.topics li { padding: 9px 0; border-bottom: 1px solid var(--line-dark); font-size: 15px; color: var(--on-navy); }

/* Pocket */
.pocket { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 96px; align-items: center; }
.pocket__shots { position: relative; height: 560px; }
.pocket__shots img { position: absolute; width: 250px; border-radius: 26px; box-shadow: 0 24px 50px -16px rgba(13,27,42,.45), 0 0 0 6px var(--navy); }
.pocket__shots img:first-child { left: 14%; top: 0; transform: rotate(-3deg); }
.pocket__shots img:last-child { left: 46%; top: 56px; transform: rotate(2.5deg); }
.pocket__copy { display: grid; gap: 18px; }
.pocket__copy p { font-size: 18px; }
.pocket__actions { display: flex; align-items: center; gap: 20px; margin-top: 10px; }
.badge { height: 53px; width: auto; }

/* Pricing */
.pricing { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 32px; align-items: stretch; max-width: 1060px; margin-inline: auto; }
.price { background: var(--navy); color: var(--on-navy); border-radius: 22px; padding: 44px 40px; display: flex; flex-direction: column; gap: 20px; box-shadow: 0 30px 60px -28px rgba(13,27,42,.6); }
.price__label { font: 500 13px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--coral); }
.price__amount { font: 800 96px/1 var(--font-display); color: var(--white); letter-spacing: -.04em; display: flex; align-items: baseline; gap: 4px; }
.price__amount span { font-size: 40px; color: var(--coral); }
.price__amount small { font: 500 16px var(--font-body); letter-spacing: 0; color: var(--on-navy-mute); margin-left: 10px; }
.price__note { font-size: 16px; }
.price__fine { font-size: 13px; color: var(--on-navy-mute); text-align: center; }
.includes { background: var(--white); border-radius: 22px; padding: 40px; border: 1px solid #E1E8EF; display: flex; flex-direction: column; gap: 6px; }
.includes h3 { font-size: 24px; margin-bottom: 8px; }
.linkbox { margin-top: auto; padding: 22px 24px; background: var(--coral-tint); border-radius: 14px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.includes > .ticks { margin-bottom: 28px; }
.linkbox h4 { font-size: 18px; margin-bottom: 4px; }
.linkbox p { font-size: 15px; }

/* FAQ */
.faq { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 80px; }
.faq__head { position: sticky; top: 112px; align-self: start; }
.faq details { border-top: 1px solid #DCE5ED; }
.faq details:last-child { border-bottom: 1px solid #DCE5ED; }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font: 700 19px/1.3 var(--font-display); color: var(--ink); position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 500 26px var(--font-body); color: var(--coral-deep); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 40px 24px 0; max-width: 40em; }
.faq details a { color: var(--coral-deep); font-weight: 600; }

/* Footer */
.footer { background: var(--navy); color: var(--on-navy-mute); padding: 64px 0 40px; }
.footer__inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 40px; }
.footer__brand p { margin-top: 12px; font-size: 15px; }
.footer__links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer__links a { color: var(--on-navy); text-decoration: none; font-size: 15px; }
.footer__links a:hover { color: var(--coral); }
.footer__legal { margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--line-dark); font-size: 13px; line-height: 1.6; max-width: 1200px; }

/* Dialog + toast */
.signin { border: 0; border-radius: 18px; padding: 0; width: min(440px, 100% - 32px); box-shadow: 0 40px 80px -20px rgba(0,0,0,.5); }
.signin::backdrop { background: rgba(13,27,42,.7); backdrop-filter: blur(3px); }
.signin__form { padding: 36px; display: grid; gap: 12px; position: relative; }
.signin__form h3 { font-size: 26px; }
.signin__form label { font-weight: 600; font-size: 14px; color: var(--ink); margin-top: 8px; }
.signin__form input { font: 400 16px var(--font-body); padding: 13px 14px; border: 2px solid #D3DDE7; border-radius: 10px; }
.signin__form input:focus { outline: none; border-color: var(--coral); }
.signin__note { font-size: 13px; color: var(--ink-mute); text-align: center; }
.signin__close { position: absolute; right: 14px; top: 10px; border: 0; background: none; font-size: 30px; line-height: 1; color: var(--ink-mute); cursor: pointer; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); background: var(--navy); color: var(--white); padding: 14px 22px; border-radius: 12px; font-size: 15px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; z-index: 50; box-shadow: 0 16px 40px -10px rgba(0,0,0,.5); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* Narrower laptops and tablets: still a desktop-style layout, just tighter */
@media (max-width: 1100px) {
  .wrap { width: min(1200px, 100% - 48px); }
  .hero__grid { gap: 44px; }
  .topics, .faq { gap: 48px; }
  .pocket { gap: 48px; }
  .feature--lead { padding: 40px; gap: 36px; }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__inner { justify-content: space-between; }
  .hero__grid, .topics, .pocket, .pricing, .faq { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .feature--lead { flex-direction: column; align-items: flex-start; }
  .stage { width: 100%; }
  .topics__cols { grid-template-columns: 1fr; }
  .faq__head { position: static; }
  .hero__alleles { justify-content: flex-start; }
  .pocket__shots { height: 480px; }
  .linkbox { flex-direction: column; align-items: flex-start; }
  .hero__facts { gap: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* Angled study-area visual (feature card) */
.stage { flex: 0 0 52%; min-width: 0; position: relative; min-height: 340px; perspective: 1700px; perspective-origin: 0% 40%; }
.plane { position: absolute; left: 0; top: -14px; width: 870px; display: grid; grid-template-columns: 168px 1fr; border-radius: 16px; overflow: hidden; background: var(--paper); box-shadow: -30px 40px 70px -20px rgba(0,0,0,.65), 0 0 0 1px rgba(255,255,255,.08); transform-origin: 0% 50%; transform: rotateY(-18deg) rotateX(6deg) rotateZ(1.2deg) scale(.7); }
.pl-side { background: #0D1B2A; padding: 22px 14px; display: grid; gap: 6px; align-content: start; font: 600 13.5px var(--font-body); color: var(--on-navy); }
.pl-logo { font: 800 18px "Roboto", var(--font-display); color: #fff; padding: 0 10px 16px; display: flex; align-items: center; gap: 8px; }
.pl-logo b { color: var(--coral); }
.pl-logo i { width: 20px; height: 20px; border-radius: 6px; background: #1B3148; box-shadow: inset 0 0 0 5px #0D1B2A, inset 0 0 0 7px #fff; display: none; }
.pl-side span { padding: 10px 12px; border-radius: 9px; }
.pl-side .on { background: #1B3148; color: #fff; box-shadow: inset 3px 0 0 var(--coral); }
.pl-main { padding: 26px 28px 34px; color: var(--ink-soft); }
.pl-crumb { font: 600 12.5px var(--font-body); color: var(--ink-mute); margin-bottom: 6px; }
.pl-crumb b { color: var(--coral-deep); }
.pl-main h4 { font: 800 27px/1.1 var(--font-display); color: var(--ink); margin-bottom: 20px; letter-spacing: -.01em; }
.pl-cols { display: grid; grid-template-columns: 1.25fr 1fr; gap: 18px; align-items: start; }
.pl-q, .pl-e { background: #fff; border-radius: 14px; border: 1px solid #E1E8EF; padding: 22px 24px; }
.pl-q em { display: inline-block; font: 600 12px var(--font-body); font-style: normal; background: #E3EAF1; color: var(--ink-soft); padding: 5px 10px; border-radius: 99px; }
.pl-steps { display: flex; gap: 4px; margin: 12px 0 16px; }
.pl-steps i { width: 24px; height: 5px; border-radius: 99px; background: #DCE5ED; }
.pl-steps i.ok { background: var(--good); }
.pl-q p { font: 700 19px/1.3 var(--font-display); color: var(--ink); margin: 0 0 16px; }
.pl-c { display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin-bottom: 8px; border: 2px solid #DCE5ED; border-radius: 10px; font: 500 14.5px var(--font-body); color: #8493A3; }
.pl-c u { text-decoration: none; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 7px; background: var(--paper); border: 1px solid #D3DDE7; font: 600 12px var(--font-body); }
.pl-c.good { border-color: var(--good); background: #E9F7F2; color: var(--ink); font-weight: 600; }
.pl-c.good u { background: var(--good); border-color: var(--good); color: #fff; }
.pl-e strong { display: block; font: 700 19px var(--font-display); color: var(--good); margin-bottom: 14px; }
.pl-tabs { display: inline-flex; gap: 3px; background: var(--paper); padding: 4px; border-radius: 9px; margin-bottom: 14px; }
.pl-tabs span { font: 600 12.5px var(--font-body); padding: 6px 12px; border-radius: 6px; color: var(--ink-mute); }
.pl-tabs .on { background: var(--navy); color: #fff; }
.pl-e p { font: 400 15px/1.6 var(--font-body); margin: 0; }
@media (max-width: 860px) {
  .feature--lead { padding: 40px 28px 0; }
  .stage { min-height: 300px; margin: 0 -28px; }
  .plane { left: 18px; width: 780px; }
}

.pocket__actions .textlink--inline { margin: 0; padding: 0; font-size: 16px; line-height: 1.4; max-width: 18em; }