.academy-page { background: var(--paper); }
.academy-hero { min-height: 760px; display: flex; align-items: center; color: var(--paper); background: var(--ink); }
.academy-hero::before { position: absolute; inset: 0; content: ""; opacity: .5; background-image: radial-gradient(circle, rgba(200,240,74,.5) 1px, transparent 1px), linear-gradient(rgba(241,239,231,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(241,239,231,.045) 1px, transparent 1px); background-size: 90px 90px, 45px 45px, 45px 45px; mask-image: linear-gradient(90deg, #000, transparent); }
.academy-hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .55fr; gap: 100px; align-items: center; padding-top: 84px; }
.academy-hero h1 { max-width: 850px; margin: 0; font-size: clamp(64px, 8vw, 116px); line-height: .86; letter-spacing: -.095em; }
.academy-hero h1 em { color: var(--accent); font-style: normal; }
.academy-hero p:not(.mono-label) { max-width: 620px; color: #b5b3ac; font-size: 18px; line-height: 1.7; }
.course-card { padding: 32px; border: 1px solid var(--dark-line); }
.course-card > span { color: var(--accent); font: 10px "DM Mono", monospace; letter-spacing: .1em; }
.course-card h2 { margin: 70px 0 38px; font-size: 36px; line-height: 1.02; letter-spacing: -.06em; }
.course-card dl { margin: 0; }
.course-card dl div { display: flex; justify-content: space-between; padding: 14px 0; border-top: 1px solid var(--dark-line); font: 10px "DM Mono", monospace; text-transform: uppercase; }
.course-card dt { color: #77766f; }
.course-card dd { margin: 0; color: var(--paper); }

.course-section { padding: 110px 0 140px; }
.course-layout { display: grid; grid-template-columns: 260px 1fr; gap: 75px; align-items: start; }
.course-progress { position: sticky; top: 28px; padding: 26px; color: var(--paper); background: var(--ink); }
.course-progress > span { color: var(--accent); font: 9px "DM Mono", monospace; letter-spacing: .1em; }
.course-progress > strong { display: block; margin: 34px 0 14px; font-size: 70px; line-height: .85; letter-spacing: -.09em; }
.course-progress > div { height: 4px; overflow: hidden; background: var(--dark-line); }
.course-progress > div i { display: block; width: 0; height: 100%; background: var(--accent); transition: width 180ms ease-out; }
.course-progress p { margin: 25px 0; color: #77766f; font-size: 12px; line-height: 1.6; }
.course-progress a { color: var(--accent); font: 9px "DM Mono", monospace; text-transform: uppercase; }
.lesson { display: grid; grid-template-columns: 70px 1fr; gap: 35px; padding: 0 0 80px; margin-bottom: 80px; border-bottom: 1px solid var(--line); }
.lesson-index { color: #77862e; font: 10px "DM Mono", monospace; }
.lesson-content > p:first-child { margin: 0; color: #75842d; font: 10px "DM Mono", monospace; letter-spacing: .1em; }
.lesson-content h2 { max-width: 780px; margin: 16px 0; font-size: clamp(42px, 5vw, 72px); line-height: .93; letter-spacing: -.08em; }
.lesson-lead { max-width: 740px; margin-bottom: 40px; color: var(--muted); font-size: 18px; line-height: 1.65; }
.lesson details { border-top: 1px solid var(--line); }
.lesson details:last-of-type { border-bottom: 1px solid var(--line); }
.lesson summary { padding: 20px 0; cursor: pointer; font-weight: 700; list-style: none; }
.lesson summary::after { float: right; color: #748229; content: "+"; }
.lesson details[open] summary::after { content: "−"; }
.lesson details > div { max-width: 760px; padding: 0 0 25px; color: var(--muted); line-height: 1.75; }
.lesson blockquote { margin: 20px 0 0; padding: 18px; color: var(--ink); background: var(--accent-soft); border-left: 3px solid #7a8c27; }
.lesson-complete { display: flex; gap: 10px; align-items: center; margin-top: 28px; font: 10px "DM Mono", monospace; text-transform: uppercase; }
.lesson-complete input { width: 18px; height: 18px; accent-color: var(--ink); }

.assessment-section { padding: 120px 0; color: var(--paper); background: #0d0e0c; }
.assessment-grid { display: grid; grid-template-columns: .65fr 1fr; gap: 95px; }
.assessment-heading h2 { margin: 0; font-size: clamp(48px, 6vw, 82px); line-height: .9; letter-spacing: -.08em; }
.assessment-heading > p:not(.mono-label) { color: #96948d; line-height: 1.7; }
.quiz-form fieldset { margin: 0 0 30px; padding: 0 0 28px; border: 0; border-bottom: 1px solid var(--dark-line); }
.quiz-form legend { margin-bottom: 16px; font-weight: 700; line-height: 1.5; }
.quiz-form label { display: block; padding: 10px 0; color: #aaa8a1; font-size: 14px; }
.quiz-form input { margin-right: 9px; accent-color: var(--accent); }
#quiz-feedback { min-height: 25px; color: var(--accent); line-height: 1.6; }

.certificate-section { padding: 120px 0; background: #dcd8cc; }
.certificate-form { max-width: 650px; padding: 45px; background: var(--paper); border: 1px solid var(--line); }
.certificate-form h2 { margin: 0; font-size: 58px; letter-spacing: -.08em; }
.certificate-form > p:not(.mono-label) { color: var(--muted); line-height: 1.7; }
.certificate-form label { display: block; margin-top: 30px; color: var(--muted); font: 10px "DM Mono", monospace; text-transform: uppercase; }
.certificate-form input { width: 100%; margin-top: 8px; padding: 14px 0; background: transparent; border: 0; border-bottom: 1px solid var(--ink); outline: 0; }
.certificate-form .button { margin-top: 25px; }
.certificate { max-width: 980px; margin: 0 auto; padding: 18px; color: var(--paper); background: var(--ink); }
.certificate-border { padding: 60px; text-align: center; border: 1px solid var(--accent); }
.certificate-border > span { color: var(--accent); font: 10px "DM Mono", monospace; letter-spacing: .18em; }
.certificate-border > p:first-of-type { margin-top: 75px; color: #8f8d86; font: 10px "DM Mono", monospace; letter-spacing: .14em; }
.certificate h2 { margin: 22px 0; color: var(--accent); font-size: clamp(45px, 6vw, 80px); line-height: .95; letter-spacing: -.08em; }
.certificate h3 { margin: 15px 0 45px; font-size: 30px; }
.certificate dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--dark-line); }
.certificate dl div { padding: 18px; background: var(--ink); }
.certificate dt { color: #77766f; font: 9px "DM Mono", monospace; text-transform: uppercase; }
.certificate dd { margin: 9px 0 0; font-weight: 700; }
.certificate small { display: block; max-width: 720px; margin: 45px auto 0; color: #77766f; font: 9px "DM Mono", monospace; line-height: 1.6; text-transform: uppercase; }
.certificate .button { margin-top: 35px; }

@media (max-width: 900px) {
  .academy-hero-grid, .assessment-grid { grid-template-columns: 1fr; gap: 55px; }
  .academy-hero-grid { padding: 150px 0 80px; }
  .course-layout { grid-template-columns: 1fr; }
  .course-progress { position: static; }
}

@media (max-width: 620px) {
  .lesson { grid-template-columns: 1fr; gap: 12px; }
  .certificate-border { padding: 32px 20px; }
  .certificate dl { grid-template-columns: 1fr; }
}

@media print {
  body.print-certificate * { visibility: hidden !important; }
  body.print-certificate #certificate, body.print-certificate #certificate * { visibility: visible !important; }
  body.print-certificate #certificate { position: absolute; inset: 0; width: 100%; max-width: none; min-height: 100vh; padding: 12mm; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  body.print-certificate #print-certificate { display: none; }
}