:root {
  --ink: #142027;
  --ink-soft: #536067;
  --paper: #f6f4ef;
  --white: #fffdf8;
  --line: #d8d8d2;
  --coral: #f0644f;
  --coral-dark: #d94e3b;
  --cyan: #29b6d4;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'Manrope', sans-serif; font-size: 15px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(calc(100% - 128px), var(--max)); margin: 0 auto; }
.announcement { height: 38px; display: flex; justify-content: center; align-items: center; gap: 14px; color: #fff; background: var(--ink); font-family: 'DM Mono', monospace; font-size: 10px; letter-spacing: .05em; }
.announcement span { width: 42px; height: 1px; background: rgba(255,255,255,.45); }
.site-header { min-height: 78px; padding: 0 max(32px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; background: rgba(246,244,239,.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand strong { font-size: 28px; line-height: 1; letter-spacing: -.08em; font-weight: 800; }
.brand strong span, .feature h2 span { color: var(--coral); }
.brand i { display: block; width: 1px; height: 29px; background: var(--ink); opacity: .55; }
.brand small { font-size: 8px; line-height: 1.25; font-weight: 700; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 3vw, 42px); font-size: 11px; font-weight: 700; }
.site-nav a:not(.button) { transition: color .2s ease; }
.site-nav a:not(.button):hover, .text-link:hover { color: var(--coral); }
.button { display: inline-flex; gap: 18px; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border: 1px solid var(--coral); background: var(--coral); color: #fff; font-size: 11px; font-weight: 800; transition: transform .2s ease, background .2s ease, border-color .2s ease; cursor: pointer; }
.button:hover { background: var(--coral-dark); border-color: var(--coral-dark); transform: translateY(-2px); }
.button-small { min-height: 38px; padding: 0 18px; }
.button-outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.button-outline:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.menu-toggle { display: none; border: 0; background: none; color: var(--ink); font-size: 11px; font-weight: 800; cursor: pointer; }
.menu-toggle b { margin-left: 10px; font-size: 21px; font-weight: 400; }

.hero { min-height: 530px; padding-top: 78px; padding-bottom: 84px; display: grid; grid-template-columns: .96fr 1fr; align-items: center; gap: clamp(40px, 7vw, 100px); }
.hero-logo-wrap { display: flex; justify-content: center; align-items: center; }
.hero-logo-disc { width: min(100%, 500px); aspect-ratio: 1.44; display: grid; place-items: center; padding: 8%; }
.hero-logo-disc img { width: 100%; height: auto; opacity: .88; mix-blend-mode: multiply; }
.eyebrow { margin: 0 0 17px; color: var(--ink-soft); font-family: 'DM Mono', monospace; font-size: 10px; line-height: 1.3; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow span { color: var(--coral); margin: 0 4px; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 650px; margin-bottom: 24px; font-size: clamp(42px, 5vw, 72px); line-height: .99; letter-spacing: -.065em; font-weight: 700; }
h1 em { color: var(--coral); font-style: normal; }
.hero-intro { max-width: 395px; margin-bottom: 30px; color: var(--ink-soft); font-size: 15px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-art { min-height: 420px; position: relative; overflow: hidden; background: #dfe0db; isolation: isolate; }
.hero-art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 25%; mix-blend-mode: multiply; filter: grayscale(1) contrast(1.1); z-index: 1; }
.art-grid { position: absolute; inset: 0; z-index: 3; background: linear-gradient(90deg, transparent 49.6%, rgba(20,32,39,.3) 50%, transparent 50.4%), linear-gradient(0deg, transparent 49.6%, rgba(20,32,39,.3) 50%, transparent 50.4%); background-size: 50% 50%; opacity: .55; }
.art-circle { position: absolute; width: 135px; height: 135px; top: 28px; left: 14px; border-radius: 50%; background: var(--coral); z-index: 0; }
.art-line { position: absolute; height: 2px; background: var(--coral); transform-origin: left center; z-index: 4; }
.art-line-one { top: 7%; left: 21%; width: 120px; transform: rotate(49deg); }
.art-line-two { right: -4%; bottom: 28%; width: 230px; transform: rotate(-49deg); }
.art-mark { position: absolute; z-index: 5; bottom: 28px; left: 30%; display: grid; place-items: center; width: 36px; height: 36px; color: #fff; background: var(--ink); font-size: 28px; font-weight: 300; }

.feature { min-height: 270px; padding: 42px 48px; display: grid; grid-template-columns: 1.15fr 1fr .7fr; align-items: center; overflow: hidden; color: #fff; background: var(--ink); position: relative; }
.feature-copy { position: relative; z-index: 2; }
.eyebrow-light { color: rgba(255,255,255,.6); }
.feature h2 { margin-bottom: 16px; font-size: clamp(28px, 3.1vw, 42px); line-height: 1; letter-spacing: -.06em; font-weight: 700; }
.feature-copy > p:not(.eyebrow) { max-width: 340px; margin-bottom: 22px; color: rgba(255,255,255,.66); font-size: 12px; line-height: 1.6; }
.text-link { display: inline-flex; align-items: center; gap: 14px; font-size: 11px; font-weight: 800; transition: color .2s ease; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }
.light-link { color: #fff; }
.feature-visual { height: 220px; position: relative; }
.orb, .orb-ring { position: absolute; border-radius: 50%; }
.orb-one { width: 150px; height: 150px; top: 20px; left: 20%; background: linear-gradient(135deg, #f45b48, #ef8b58 45%, var(--cyan)); filter: blur(7px); transform: rotate(-26deg) scaleX(1.15); }
.orb-two { width: 115px; height: 150px; top: 46px; left: 35%; background: linear-gradient(90deg, var(--cyan), #4965d6, #f76b52); filter: blur(3px); transform: rotate(39deg) skewX(-15deg); opacity: .9; }
.orb-three { width: 72px; height: 105px; top: 58px; left: 49%; background: #f16a52; filter: blur(10px); transform: rotate(55deg); }
.orb-ring { width: 190px; height: 190px; top: 3px; left: 13%; border: 1px solid rgba(255,255,255,.18); }
.feature-meta { padding-left: 28px; border-left: 1px solid rgba(255,255,255,.25); position: relative; z-index: 2; }
.feature-meta > div { display: flex; align-items: center; gap: 13px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.feature-meta > div:last-child { border-bottom: 0; }
.meta-icon { width: 25px; color: #fff; font-size: 21px; }
.feature-meta p { margin: 0; font-size: 10px; line-height: 1.3; }
.feature-meta strong { display: block; margin-top: 3px; color: rgba(255,255,255,.55); font-size: 9px; font-weight: 400; }

.courses { padding-top: 84px; padding-bottom: 92px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.section-heading .eyebrow { margin-bottom: 12px; }
.section-heading h2 { margin: 0; font-size: clamp(31px, 4vw, 50px); line-height: 1; letter-spacing: -.07em; font-weight: 700; }
.section-heading > .text-link { margin-bottom: 4px; }
.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px; }
.course-card { background: var(--white); border: 1px solid var(--line); transition: transform .25s ease, box-shadow .25s ease; }
.course-card:hover { transform: translateY(-5px); box-shadow: 0 16px 30px rgba(20,32,39,.09); }
.course-card-wide { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; }
.course-image { height: 172px; position: relative; overflow: hidden; background: #d6d5cf; }
.course-image-wide { height: 100%; min-height: 220px; }
.course-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.9); transition: transform .4s ease; }
.course-card:hover .course-image img { transform: scale(1.04); }
.course-body { min-height: 184px; padding: 20px 17px 15px; position: relative; }
.course-card-wide .course-body { min-height: 220px; display: flex; flex-direction: column; justify-content: center; }
.course-body h3 { max-width: 95%; margin-bottom: 8px; font-size: 16px; line-height: 1.15; letter-spacing: -.04em; font-weight: 800; }
.course-body p { max-width: 210px; min-height: 41px; margin-bottom: 22px; color: var(--ink-soft); font-size: 11px; line-height: 1.45; }
.course-card-wide .course-body p { max-width: 100%; }
.course-body small { color: var(--ink-soft); font-family: 'DM Mono', monospace; font-size: 8px; text-transform: uppercase; letter-spacing: .15em; }
.course-body b { position: absolute; right: 17px; bottom: 14px; font-size: 18px; font-weight: 400; transition: transform .2s ease; }
.course-card:hover .course-body b { color: var(--coral); transform: translateX(4px); }

.proof { background: #ebe9e2; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-inner { min-height: 156px; display: grid; grid-template-columns: .8fr 1fr 1fr 1fr; align-items: center; }
.proof-years { display: grid; grid-template-columns: auto auto; align-items: baseline; column-gap: 10px; }
.proof-years strong { font-size: 50px; line-height: .8; letter-spacing: -.1em; }
.proof-years span { font-size: 22px; letter-spacing: -.05em; }
.proof-years p { grid-column: 1 / -1; margin: 12px 0 0; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }
.proof-item { min-height: 74px; display: flex; align-items: center; gap: 17px; padding-left: 38px; border-left: 1px solid #b8bab4; }
.proof-icon { font-size: 32px; }
.proof-item strong { display: block; margin-bottom: 7px; font-size: 12px; }
.proof-item p { margin: 0; color: var(--ink-soft); font-size: 10px; line-height: 1.4; }

.contact { padding-top: 84px; padding-bottom: 84px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-copy h2 { margin: 0 0 16px; font-size: clamp(28px, 3.5vw, 44px); line-height: 1; letter-spacing: -.06em; font-weight: 700; }
.contact-copy > p { max-width: 340px; color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.contact-form { display: flex; flex-wrap: wrap; gap: 16px; }
.form-row { display: flex; gap: 16px; width: 100%; }
.form-row label, .form-full { display: flex; flex-direction: column; gap: 6px; font-size: 10px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .1em; }
.form-row label { flex: 1; }
.form-full { width: 100%; }
.contact-form input, .contact-form textarea { border: 1px solid var(--line); background: var(--white); padding: 12px 14px; font: inherit; font-size: 14px; color: var(--ink); resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--coral); }
.contact-form button { margin-top: 4px; }

.site-footer { color: #fff; background: var(--ink); }
.footer-main { min-height: 147px; display: grid; grid-template-columns: 1.2fr 1fr 1fr; align-items: center; gap: 32px; }
.brand-footer { color: #fff; }
.brand-footer i { background: #fff; }
.brand-footer small { color: rgba(255,255,255,.7); }
.footer-main nav { display: flex; flex-wrap: wrap; gap: 14px 24px; font-size: 10px; font-weight: 600; }
.footer-main nav a:hover { color: var(--coral); }
.footer-contact { color: rgba(255,255,255,.58); font-size: 10px; line-height: 1.7; }
.footer-contact p { margin: 0 0 4px; }
.footer-contact a { color: #fff; }
.footer-socials { display: flex; gap: 16px; margin-top: 10px; }
.footer-socials a { color: rgba(255,255,255,.7); font-size: 10px; }
.footer-socials a:hover { color: var(--coral); }
.footer-bottom { min-height: 48px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.2); color: rgba(255,255,255,.5); font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--coral); }

.page-hero { min-height: 380px; padding-top: 60px; padding-bottom: 48px; display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 40px; }
.page-hero-copy h1 { margin-bottom: 18px; }
.page-hero-aside { width: 120px; height: 120px; position: relative; }
.aside-circle { position: absolute; width: 90px; height: 90px; top: 0; right: 0; border-radius: 50%; background: var(--coral); }
.aside-line { position: absolute; width: 120px; height: 2px; bottom: 14px; left: 0; background: var(--ink); transform: rotate(-35deg); transform-origin: left center; }
.aside-mark { position: absolute; bottom: 0; right: 0; display: grid; place-items: center; width: 30px; height: 30px; color: #fff; background: var(--ink); font-size: 22px; font-weight: 300; }

.course-tabs { display: flex; flex-wrap: wrap; gap: 0; border-bottom: 1px solid var(--line); margin-bottom: 0; }
.course-tabs a { padding: 16px 22px; font-size: 11px; font-weight: 700; color: var(--ink-soft); border-bottom: 2px solid transparent; transition: color .2s ease, border-color .2s ease; }
.course-tabs a:hover { color: var(--ink); }
.course-tabs a.is-active { color: var(--ink); border-bottom-color: var(--coral); }

.course-detail { padding-top: 64px; padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.course-detail:last-of-type { border-bottom: 0; padding-bottom: 64px; }
.course-detail-header { display: grid; grid-template-columns: 1fr 1.3fr; gap: 40px; align-items: end; margin-bottom: 40px; }
.course-detail-header h2 { margin: 0 0 8px; font-size: clamp(28px, 3.5vw, 44px); line-height: 1; letter-spacing: -.06em; font-weight: 700; }
.course-detail-sub { margin: 0; color: var(--ink-soft); font-family: 'DM Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.course-detail-image { height: 220px; overflow: hidden; background: #d6d5cf; }
.course-detail-image img { width: 100%; height: 100%; object-fit: cover; }
.course-detail-body { display: grid; grid-template-columns: 1fr 280px; gap: 48px; align-items: start; }
.course-detail-text p { max-width: 620px; margin-bottom: 18px; color: var(--ink); font-size: 14px; line-height: 1.65; }
.course-detail-text strong { font-weight: 700; }
.course-detail-text h3 { margin: 32px 0 16px; font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.syllabus { list-style: none; padding: 0; margin: 0 0 24px; border-top: 1px solid var(--line); }
.syllabus li { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.5; }
.syllabus li strong { display: block; font-weight: 700; margin-bottom: 3px; }
.syllabus li span { display: block; color: var(--ink-soft); font-size: 12px; }
.course-director { display: flex; align-items: center; gap: 10px; padding-top: 8px; border-top: 1px solid var(--line); }
.course-director a { display: inline-flex; align-items: center; gap: 8px; }
.course-director img { border-radius: 50%; }

.course-detail-aside { position: sticky; top: 100px; }
.course-detail-meta { border: 1px solid var(--line); background: var(--white); padding: 8px 20px; margin-bottom: 20px; }
.course-detail-meta > div { display: flex; align-items: center; gap: 13px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.course-detail-meta > div:last-child { border-bottom: 0; }
.course-detail-meta p { margin: 0; font-size: 11px; line-height: 1.3; }
.course-detail-meta strong { display: block; margin-top: 2px; color: var(--ink-soft); font-size: 10px; font-weight: 400; }
.course-detail-actions { display: flex; flex-direction: column; gap: 10px; }
.course-detail-actions .button { width: 100%; }

.status-page { min-height: 60vh; padding-top: 80px; padding-bottom: 80px; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.status-icon { width: 72px; height: 72px; position: relative; margin-bottom: 32px; }
.status-circle { position: absolute; inset: 0; border-radius: 50%; background: var(--coral); box-shadow: 0 14px 30px rgba(240,100,79,.2); }
.status-icon::after { content: ''; position: absolute; inset: 10px; border-radius: 50%; background: #fff; }
.status-icon span { position: absolute; inset: 0; z-index: 1; display: grid; place-items: center; color: var(--coral); font-size: 32px; font-weight: 400; }
.status-page h1 { margin-bottom: 20px; }
.status-text { max-width: 480px; margin-bottom: 32px; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }
.status-text a { color: var(--coral); }
.status-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.enroll-page { min-height: 60vh; padding-top: 64px; padding-bottom: 80px; max-width: 560px; }
.enroll-page .eyebrow { margin-bottom: 12px; }
.enroll-page h2 { margin: 0 0 8px; font-size: clamp(24px, 3vw, 34px); line-height: 1.05; letter-spacing: -.05em; font-weight: 700; }
.enroll-page .enroll-sub { margin: 0 0 32px; color: var(--ink-soft); font-family: 'DM Mono', monospace; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.enroll-form { display: flex; flex-direction: column; gap: 18px; }
.enroll-form .form-row { display: flex; gap: 16px; width: 100%; }
.enroll-form input { border: 1px solid var(--line); background: var(--white); padding: 16px 18px; font: inherit; font-size: 16px; color: var(--ink); border-radius: 4px; transition: border-color .2s ease, box-shadow .2s ease; }
.enroll-form input::placeholder { color: #a0a8ad; }
.enroll-form input:focus { outline: none; border-color: var(--coral); box-shadow: 0 0 0 3px rgba(240,100,79,.12); }
.enroll-cost-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px; border: 1px solid var(--line); background: var(--white); border-radius: 4px; }
.enroll-cost-row label { font-size: 10px; font-weight: 700; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .1em; }
.enroll-cost-input { font-weight: 700; font-size: 16px; color: var(--ink); border: 1px solid var(--line); background: var(--paper); padding: 12px 16px; max-width: 220px; border-radius: 4px; }
.enroll-cost-row img { height: 50px; width: auto; }
.enroll-form .button { margin-top: 8px; align-self: flex-start; }

.payment-page { min-height: 60vh; padding-top: 64px; padding-bottom: 80px; display: flex; flex-direction: column; align-items: flex-start; }
.payment-page .eyebrow { margin-bottom: 12px; }
.payment-page h1 { margin-bottom: 20px; }
.payment-text { max-width: 480px; margin-bottom: 24px; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }
.payment-text strong { color: var(--ink); }
.payment-text a { color: var(--coral); }
.payment-countdown { display: inline-flex; align-items: center; gap: 8px; min-width: 174px; justify-content: center; padding: 11px 16px; border: 1px solid rgba(240,100,79,.45); border-radius: 999px; color: var(--coral-dark); background: rgba(240,100,79,.08); font-family: 'DM Mono', monospace; font-size: 12px; font-weight: 500; margin-bottom: 28px; transition: background .2s ease, transform .2s ease; }
.payment-countdown::before { content: '◷'; font-size: 15px; }
.payment-alt { padding-top: 20px; border-top: 1px solid var(--line); margin-top: 8px; }
.payment-alt p { margin: 0 0 12px; font-size: 13px; color: var(--ink-soft); }
.payment-alt a { color: var(--coral); }
.payment-alt img { height: 35px; width: auto; }

@media (max-width: 900px) {
  .shell { width: min(calc(100% - 64px), var(--max)); }
  .site-header { padding: 0 32px; }
  .site-nav { gap: 18px; }
  .hero { gap: 38px; }
  .hero-logo-disc {
  width: clamp(340px, 40vw, 500px);
  aspect-ratio: 1.44;
  display: grid;
  place-items: center;
  padding: 8%;
  flex-shrink: 0;
}

.hero-logo-disc img {
  width: 100%;
  height: auto;
  max-width: none;
}
  .feature { grid-template-columns: 1.1fr 1fr; padding: 36px; }
  .feature-meta { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); padding: 20px 0 0; margin-top: 14px; border-top: 1px solid rgba(255,255,255,.25); border-left: 0; }
  .feature-meta > div { padding: 0 14px; border-bottom: 0; border-right: 1px solid rgba(255,255,255,.24); }
  .feature-meta > div:first-child { padding-left: 0; }
  .feature-meta > div:last-child { border-right: 0; }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .course-card-wide { grid-column: span 2; }
  .proof-inner { grid-template-columns: 1fr 1fr; gap: 24px; padding-top: 32px; padding-bottom: 32px; }
  .proof-years { grid-column: 1 / -1; }
  .proof-item { padding-left: 0; border-left: 0; border-top: 1px solid #b8bab4; padding-top: 17px; }
  .contact { grid-template-columns: 1fr; gap: 32px; }
  .page-hero { grid-template-columns: 1fr; }
  .page-hero-aside { display: none; }
  .course-detail-header { grid-template-columns: 1fr; gap: 24px; }
  .course-detail-body { grid-template-columns: 1fr; gap: 32px; }
  .course-detail-aside { position: static; }
  .course-detail-actions { flex-direction: row; }
  .course-detail-actions .button { width: auto; }
  .enroll-form .form-row { flex-direction: column; }
}

@media (max-width: 640px) {
  .shell { width: min(calc(100% - 40px), var(--max)); }
  .announcement { height: 32px; font-size: 9px; }
  .announcement span { width: 25px; }
  .site-header { min-height: 70px; padding: 0 20px; }
  .brand strong { font-size: 25px; }
  .brand small { font-size: 7px; }
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; top: 69px; right: 0; left: 0; padding: 20px; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 14px 24px rgba(20,32,39,.08); }
  .site-nav.is-open { display: flex; }
  .site-nav a:not(.button) { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-nav .button { margin-top: 14px; }
  .hero { min-height: auto; padding-top: 54px; padding-bottom: 54px; display: flex; flex-direction: column; align-items: stretch; gap: 38px; }
  .hero-logo-wrap { order: -1; }
 
  h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero-art { min-height: 330px; }
  .feature { padding: 32px 24px 24px; display: block; }
  .feature-visual { height: 170px; margin: 5px -10px 0; }
  .feature-meta { display: block; padding-top: 11px; margin-top: 0; }
  .feature-meta > div, .feature-meta > div:first-child { padding: 10px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .feature-meta > div:last-child { border-bottom: 0; }
  .courses { padding-top: 58px; padding-bottom: 64px; }
  .section-heading { display: block; }
  .section-heading > .text-link { margin-top: 18px; }
  .course-grid { grid-template-columns: 1fr; gap: 12px; }
  .course-card-wide { grid-column: span 1; display: block; }
  .course-image, .course-image-wide { height: 200px; min-height: 200px; }
  .course-body { min-height: 165px; }
  .proof-inner { min-height: auto; display: block; padding-top: 32px; padding-bottom: 32px; }
  .proof-years { margin-bottom: 28px; }
  .proof-item { min-height: 74px; padding: 17px 0 0; border-top: 1px solid #b8bab4; border-left: 0; }
  .contact { padding-top: 58px; padding-bottom: 58px; }
  .form-row { flex-direction: column; }
  .footer-main { min-height: auto; display: block; padding-top: 36px; padding-bottom: 30px; }
  .footer-main nav { margin: 30px 0; }
  .footer-bottom { min-height: auto; padding: 15px 0; flex-wrap: wrap; gap: 12px; }
  .page-hero { padding-top: 40px; }
  .course-detail { padding-top: 40px; }
  .course-detail-header h2 { font-size: clamp(26px, 8vw, 36px); }
  .course-detail-image { height: 180px; }
  .course-detail-actions { flex-direction: column; }
  .course-tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .course-tabs a { white-space: nowrap; padding: 14px 16px; }
}

/* Shared interaction and checkout polish */
:root { --surface: #fffdf8; --focus: 0 0 0 4px rgba(240,100,79,.16); --radius: 8px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.button, .course-card, .enroll-cost-row, .contact-form input, .contact-form textarea, .enroll-form input { border-radius: var(--radius); }
.button:disabled { cursor: wait; opacity: .65; transform: none; }
.hero-logo-wrap { min-height: 330px; position: relative; }
.hero-logo-disc { filter: drop-shadow(0 22px 24px rgba(20,32,39,.12)); }
.contact-form input:focus, .contact-form textarea:focus, .enroll-form input:focus { box-shadow: var(--focus); }
.enroll-page { width: min(calc(100% - 40px), 680px); }
.checkout-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; list-style: none; padding: 0 0 28px; margin: 0 0 26px; border-bottom: 1px solid var(--line); }
.checkout-steps li { display: flex; align-items: center; gap: 8px; color: var(--ink-soft); font-size: 10px; line-height: 1.2; }
.checkout-steps li span { display: grid; place-items: center; width: 24px; height: 24px; flex: 0 0 24px; border: 1px solid var(--line); border-radius: 50%; font-family: 'DM Mono', monospace; }
.checkout-steps li.is-current { color: var(--ink); }
.checkout-steps li.is-current span { color: #fff; background: var(--coral); border-color: var(--coral); }
.checkout-steps li.is-complete span { color: #fff; background: var(--ink); border-color: var(--ink); }
.checkout-countdown { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 16px; margin-bottom: 22px; color: var(--coral-dark); background: rgba(240,100,79,.08); border: 1px solid rgba(240,100,79,.3); border-radius: var(--radius); font-size: 11px; }
.checkout-countdown strong { white-space: nowrap; font-family: 'DM Mono', monospace; font-size: 13px; }
.checkout-countdown.is-expired { color: var(--ink-soft); background: var(--paper); border-color: var(--line); }
.enroll-cost-row { display: grid; grid-template-columns: auto minmax(150px, 1fr) auto; align-items: center; gap: 14px; padding: 16px; background: var(--surface); box-shadow: 0 10px 24px rgba(20,32,39,.05); }
.enroll-cost-row label { align-self: start; padding-top: 6px; }
.enroll-cost-input { width: 100%; max-width: none; border-color: transparent; background: #f0eee8; }
.enroll-cost-row img { height: 32px; }
.form-status { width: 100%; padding: 12px 14px; margin: 0; border-radius: var(--radius); font-size: 12px; }
.form-status.is-sending { color: var(--ink-soft); background: #ebe9e2; }
.form-status.is-success { color: #235c4d; background: #e3f0e8; }
.form-status.is-error { color: #8e2f25; background: #fbe5e1; }

@media (max-width: 640px) {
  body.menu-open { overflow: hidden; }
  .site-nav { top: 70px; }
  .hero > div:last-child { min-height: 250px; }
  .checkout-steps { gap: 4px; }
  .checkout-steps li { align-items: flex-start; flex-direction: column; gap: 5px; font-size: 9px; }
  .checkout-countdown { align-items: flex-start; flex-direction: column; gap: 7px; }
  .enroll-cost-row { grid-template-columns: 1fr; align-items: start; }
  .enroll-cost-row img { margin-top: 2px; }
}