:root {
  --paper: #f5f7f6;
  --paper-2: #e9eeeb;
  --white: #ffffff;
  --ink: #0c1512;
  --ink-soft: #3b4a44;
  --green: #0a7a4f;
  --green-dark: #075c3b;
  --line: #b9c4be;
  --wa: #1fa855;
  --err: #a3261c;
  --radius: 8px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Inter Tight", "Inter Display", "Inter", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--green); }
a:hover { color: var(--green-dark); }
:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }

.wrap { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 740px; }

h1, h2, h3 { font-family: var(--display); line-height: 1.02; margin: 0; letter-spacing: -0.035em; }
h1 { font-size: clamp(3rem, 9vw, 5.4rem); font-weight: 800; line-height: 0.95; letter-spacing: -0.045em; }
h2 { font-size: clamp(1.9rem, 5.5vw, 2.8rem); font-weight: 800; }
h3 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  cursor: pointer;
  border: 2px solid var(--ink);
  min-height: 50px;
}
.btn-solid { background: var(--ink); color: var(--white); }
.btn-solid:hover { background: var(--green); border-color: var(--green); color: var(--white); }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); color: var(--white); }
.btn-small { padding: 8px 16px; min-height: 42px; }
.btn-block { display: block; width: 100%; }
.btn[disabled] { opacity: 0.6; cursor: wait; }

/* ---------- header ---------- */
.top { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 2px solid var(--ink); }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { font-family: var(--display); font-weight: 800; font-size: 1.2rem; letter-spacing: -0.02em; color: var(--ink); text-decoration: none; }
.nav { display: none; gap: 26px; margin-left: auto; margin-right: 8px; }
.nav a { color: var(--ink-soft); text-decoration: none; font-weight: 500; }
.nav a:hover { color: var(--ink); text-decoration: underline; }

/* ---------- hero ---------- */
.hero { padding: 36px 0 56px; }
.hero-grid { display: grid; gap: 36px; }
.badge {
  display: inline-block;
  margin: 0 0 20px;
  padding: 6px 14px;
  border: 2px solid var(--green);
  border-radius: 999px;
  color: var(--green);
  font-weight: 700;
  font-size: 0.92rem;
}
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 31em; margin: 22px 0 22px; }
.hero-wa { display: flex; align-items: center; gap: 10px; margin: 0; font-weight: 500; }
.hero-wa .ico { color: var(--wa); width: 28px; height: 28px; }

.pickpanel {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 12px;
  padding: 22px 18px;
}
.pickpanel h2 { font-size: 1.5rem; margin-bottom: 4px; }
.pp-sub { margin: 0 0 16px; color: var(--ink-soft); font-size: 0.95rem; }

/* track choice rows (used in the hero and in step 1) */
.picks { border: 0; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.pick {
  display: flex; align-items: center; gap: 14px;
  margin: 0; padding: 15px 16px;
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 400;
}
.pick:hover { border-color: var(--green); }
.pick.on { border-color: var(--green); background: #e6f3ec; }
.pick input { width: 20px; height: 20px; margin: 0; accent-color: var(--green); flex: none; }
.pick-main { flex: 1; display: grid; gap: 2px; }
.pick-main b { font-weight: 700; }
.pick-main small { color: var(--ink-soft); font-size: 0.9rem; }
.pick-price { font-weight: 800; white-space: nowrap; }

/* ---------- sections ---------- */
.section { padding: 64px 0; }
.tinted { background: var(--paper-2); }
.section-lede { color: var(--ink-soft); max-width: 40em; margin: 14px 0 32px; font-size: 1.1rem; }

.tracks { display: grid; border-top: 2px solid var(--ink); }
.track { display: grid; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.track-facts { margin: 6px 0 0; color: var(--ink-soft); font-weight: 500; }
.price { font-family: var(--display); font-size: 2.1rem; font-weight: 800; letter-spacing: -0.03em; margin: 12px 0 16px; }
.track-head .btn { width: 100%; }
.for { font-weight: 600; }
.topics { margin: 0; padding-left: 1.1em; color: var(--ink-soft); }
.topics li { margin-bottom: 4px; }
.note { margin: 24px 0 0; color: var(--ink-soft); }

.verbs { margin: 0 0 32px; display: grid; border-top: 2px solid var(--ink); }
.verbs div { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.verbs dt { font-family: var(--display); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.verbs dd { margin: 0; color: var(--ink-soft); }
.format { margin: 0; padding-left: 1.1em; color: var(--ink-soft); }
.format li { margin-bottom: 4px; }

.siem { display: grid; gap: 28px; }
.siem div { padding-left: 16px; border-left: 4px solid var(--green); }
.siem h3 { margin-bottom: 6px; }
.siem p { margin: 0; color: var(--ink-soft); }

/* faq: every answer is visible */
.qa { padding: 20px 0; border-bottom: 1px solid var(--line); }
.qa:first-of-type { margin-top: 24px; border-top: 2px solid var(--ink); }
.qa h3 { font-size: 1.15rem; margin-bottom: 6px; letter-spacing: -0.01em; }
.qa p { color: var(--ink-soft); margin: 0; }

/* ---------- enroll ---------- */
.enroll { background: var(--paper-2); border-top: 2px solid var(--ink); }
.enroll-wrap { max-width: 640px; }
.stepno { margin: 12px 0 10px; font-weight: 700; color: var(--ink-soft); }
.progress { display: flex; gap: 6px; margin-bottom: 20px; }
.progress[hidden] { display: none; }
.progress span { flex: 1; height: 6px; border-radius: 3px; background: var(--line); }
.progress span.on { background: var(--green); }

.panel { background: var(--white); border: 2px solid var(--ink); border-radius: 12px; padding: 22px 18px; }
.stage[hidden], .panel[hidden] { display: none; }
.chosen { margin: 0 0 18px; padding: 10px 12px; background: var(--paper-2); border-radius: 6px; font-weight: 700; font-size: 0.95rem; }
.nav-row { display: flex; gap: 10px; margin-top: 8px; }
.nav-row .btn { flex: 1; }
.nav-row .btn-line { flex: 0 0 auto; }

.bank { background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.bank-label { margin: 0 0 2px; font-weight: 700; color: var(--green); }
.bank-amount { font-family: var(--display); font-size: 2.2rem; font-weight: 800; margin: 0 0 12px; letter-spacing: -0.03em; }
.bank dl { margin: 0; }
.bank dl div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-top: 1px solid var(--line); }
.bank dt { color: var(--ink-soft); }
.bank dd { margin: 0; font-weight: 700; text-align: right; }
.acct { font-family: var(--mono); font-size: 1.05rem; }
.copy {
  margin-left: 8px; padding: 4px 10px;
  font: inherit; font-size: 0.85rem; font-weight: 700;
  border: 1.5px solid var(--ink); border-radius: 4px;
  background: transparent; color: var(--ink); cursor: pointer;
}
.copy:hover { background: var(--ink); color: var(--white); }
.wa-line { margin: 18px 0 0; font-size: 0.95rem; }

.field { margin-bottom: 18px; }
label { display: block; font-weight: 700; margin-bottom: 6px; }
input[type="text"], input[type="email"], input[type="tel"], input[type="file"] {
  width: 100%; padding: 13px 14px;
  font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--white);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  min-height: 50px;
}
input:focus { border-color: var(--green); }
input[type="file"] { padding: 10px; }
.help { margin: 6px 0 0; font-size: 0.9rem; color: var(--ink-soft); }
.err { margin: 6px 0 0; font-size: 0.92rem; color: var(--err); font-weight: 500; }
.err:empty { display: none; }
.form-err { margin-top: 14px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.done h3 { margin-bottom: 10px; }
.done p { margin-bottom: 18px; }
.done .btn { color: var(--white); }

/* ---------- footer ---------- */
.foot { padding: 32px 0 96px; background: var(--ink); color: #b9c7bf; }
.foot a { color: #fff; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.foot p { margin: 0 0 4px; }
.foot-title { color: #fff; font-family: var(--display); font-weight: 800; font-size: 1.1rem; }

/* ---------- whatsapp ---------- */
.ico { width: 22px; height: 22px; fill: currentColor; flex: none; }
.btn .ico { vertical-align: -5px; margin-right: 4px; }
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 30;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: 58px; height: 58px;
  background: var(--wa); color: #fff !important;
  font-weight: 700; text-decoration: none;
  border-radius: 999px;
  box-shadow: 0 3px 0 rgba(0, 0, 0, 0.3);
}
.wa-float .ico { width: 30px; height: 30px; }
.wa-float:hover { background: #178a45; }
.wa-text { display: none; }

/* ---------- larger screens ---------- */
@media (min-width: 760px) {
  .nav { display: flex; }
  .hero { padding: 72px 0 88px; }
  .hero-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
  .pickpanel { padding: 26px 24px; }
  .track { grid-template-columns: 0.9fr 1.4fr; gap: 40px; padding: 36px 0; }
  .track-head .btn { width: auto; }
  .verbs { grid-template-columns: repeat(5, 1fr); gap: 20px; border-top: 0; }
  .verbs div { border-top: 2px solid var(--ink); border-bottom: 0; padding: 14px 0 0; align-content: start; }
  .siem { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .panel { padding: 30px 28px; }
  .wa-float { width: auto; padding: 0 22px 0 18px; }
  .wa-text { display: inline; }
}

/* ---------- security + privacy additions ---------- */
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.ts-box { min-height: 65px; }
.privacy-note { margin: 16px 0 0; font-size: 0.9rem; color: var(--ink-soft); }
.ref-line { margin-bottom: 18px; }
.ref-line b { font-family: var(--mono); letter-spacing: 0.05em; }
.doc { padding: 48px 0 72px; }
.doc h1 { font-size: clamp(2rem, 6vw, 3rem); margin-bottom: 8px; }
.doc h2 { font-size: 1.35rem; margin: 32px 0 8px; letter-spacing: -0.02em; }
.doc p, .doc li { color: var(--ink-soft); }
.doc ul { padding-left: 1.2em; }
.doc .updated { color: var(--ink-soft); margin-bottom: 24px; }

/* ---------- curriculum, tracks, faq ---------- */
.desc { color: var(--ink-soft); }
.desc a { font-weight: 600; }
.track-label { margin: 0; padding: 22px 0 0; font-family: var(--font); font-size: 0.95rem; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--green-dark); }
.track-label-2 { margin-top: 28px; padding-top: 24px; border-top: 2px solid var(--ink); }
.curric { margin: 18px 0 0; background: var(--white); border: 2px solid var(--ink); border-radius: var(--radius); }
.curric > summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; min-height: 50px; font-family: var(--display); font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; }
.curric > summary::-webkit-details-marker { display: none; }
.curric > summary::after { content: "+"; flex: none; color: var(--green); font-weight: 800; font-size: 1.4rem; line-height: 1; }
.curric[open] > summary::after { content: "\2212"; }
.curric[open] > summary { border-bottom: 2px solid var(--ink); }
.curric-body { padding: 2px 16px 18px; }
.curric h4 { margin: 22px 0 6px; font-family: var(--display); font-size: 1.05rem; font-weight: 800; letter-spacing: -0.01em; line-height: 1.2; }
.curric .sub { margin: 14px 0 4px; font-weight: 700; color: var(--ink); }
.curric ul { margin: 0 0 8px; padding-left: 1.1em; color: var(--ink-soft); }
.curric li { margin-bottom: 5px; }

.flow { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: step; border-top: 2px solid var(--ink); }
.flow li { counter-increment: step; display: grid; grid-template-columns: 40px 1fr; gap: 8px; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); }
.flow li::before { content: counter(step); font-family: var(--display); font-weight: 800; font-size: 1.4rem; line-height: 1.2; color: var(--green); }
.flow b { color: var(--ink); }

details.qa { padding: 0; }
details.qa > summary { cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; min-height: 56px; font-family: var(--display); font-weight: 800; font-size: 1.1rem; letter-spacing: -0.01em; line-height: 1.3; }
details.qa > summary::-webkit-details-marker { display: none; }
details.qa > summary::after { content: "+"; flex: none; color: var(--green); font-weight: 800; font-size: 1.5rem; line-height: 1; }
details.qa[open] > summary::after { content: "\2212"; }
details.qa > p { margin: 0 0 20px; color: var(--ink-soft); }