:root {
  --navy: #0b2748;
  --navy-2: #123a67;
  --blue: #2b9dcc;
  --sky: #dff4fb;
  --gold: #f5aa18;
  --ink: #172434;
  --muted: #5d6b79;
  --line: #dce5ec;
  --paper: #ffffff;
  --soft: #f5f8fb;
  --success: #15715d;
  --shadow: 0 24px 64px rgba(11, 39, 72, .12);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip-link { position: absolute; left: -999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 999; background: #fff; padding: .75rem 1rem; border-radius: 8px; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.eyebrow { margin: 0 0 .75rem; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section { padding: 6rem 0; }
.section-soft { background: var(--soft); }
.section-dark { color: #fff; background: linear-gradient(135deg, var(--navy), #071c34); }
.section-heading { max-width: 720px; margin-bottom: 2.5rem; }
.section-heading h2, .page-hero h1 { margin: 0; color: var(--navy); font-size: clamp(2rem, 4vw, 3.45rem); line-height: 1.08; letter-spacing: -.035em; }
.section-heading p { margin: 1rem 0 0; color: var(--muted); font-size: 1.08rem; }
.section-dark .section-heading h2, .section-dark .section-heading p { color: #fff; }

.utility { color: #fff; background: var(--navy); font-size: .83rem; }
.utility-inner { min-height: 36px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.utility a { text-decoration: none; opacity: .95; }
.utility-right { display: flex; gap: 1.4rem; }
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(11,39,72,.08); background: rgba(255,255,255,.96); backdrop-filter: blur(14px); }
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand img { width: 196px; height: 74px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { color: var(--navy); font-size: .92rem; font-weight: 700; text-decoration: none; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.nav-actions { display: flex; gap: .65rem; }
.menu-toggle { display: none; border: 0; background: none; color: var(--navy); font-size: 1.65rem; cursor: pointer; }

.btn { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .5rem; padding: .8rem 1.15rem; border: 1px solid transparent; border-radius: 999px; font-weight: 800; line-height: 1; text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: var(--navy); background: var(--gold); box-shadow: 0 10px 28px rgba(245,170,24,.25); }
.btn-secondary { color: #fff; background: var(--navy); }
.btn-outline { color: var(--navy); border-color: var(--navy); background: transparent; }
.btn-light { color: var(--navy); background: #fff; }
.btn-small { min-height: 42px; padding: .7rem 1rem; font-size: .86rem; }

.hero { min-height: 680px; display: grid; align-items: center; background: linear-gradient(90deg, #f8fbfd 0%, rgba(248,251,253,.96) 34%, rgba(248,251,253,.12) 66%), url('../images/acaste-hero.webp') center/cover no-repeat; }
.hero-copy { max-width: 610px; padding: 5rem 0; }
.hero h1 { margin: 0; color: var(--navy); font-size: clamp(2.7rem, 5.8vw, 5.05rem); line-height: .99; letter-spacing: -.055em; }
.hero h1 span { color: var(--blue); }
.hero-lead { max-width: 590px; margin: 1.4rem 0 1.8rem; color: #415466; font-size: clamp(1.04rem, 2vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.proof-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.proof-grid { min-height: 94px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.proof-item { padding: 1rem 1.4rem; border-right: 1px solid var(--line); color: var(--navy); font-weight: 750; text-align: center; }
.proof-item:first-child { border-left: 1px solid var(--line); }
.proof-item small { display: block; color: var(--muted); font-size: .73rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }

.audience-grid, .service-grid, .values-grid, .process-grid { display: grid; gap: 1.25rem; }
.audience-grid { grid-template-columns: repeat(2, 1fr); }
.audience-card { position: relative; overflow: hidden; min-height: 370px; padding: 2.25rem; border-radius: var(--radius); display: flex; align-items: end; box-shadow: var(--shadow); background: var(--navy); }
.audience-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,24,44,.98), rgba(5,24,44,.12)); }
.audience-card.facilities { background: url('../images/facility-partnership.webp') center/cover; }
.audience-card.professionals { background: url('../images/acaste-hero.webp') 72% center/cover; }
.audience-content { position: relative; z-index: 1; max-width: 490px; color: #fff; }
.audience-content h3 { margin: 0 0 .5rem; font-size: 2rem; line-height: 1.1; }
.audience-content p { margin: 0 0 1.25rem; color: rgba(255,255,255,.85); }

.service-grid { grid-template-columns: repeat(4, 1fr); }
.service-card, .value-card, .process-card { border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.service-card { padding: 1.7rem; transition: transform .2s, box-shadow .2s; }
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.icon { width: 48px; height: 48px; margin-bottom: 1.1rem; border-radius: 14px; display: grid; place-items: center; color: var(--navy); background: var(--sky); font-size: 1.35rem; font-weight: 900; }
.service-card h3, .value-card h3, .process-card h3 { margin: 0 0 .55rem; color: var(--navy); font-size: 1.15rem; }
.service-card p, .value-card p, .process-card p { margin: 0; color: var(--muted); font-size: .94rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: clamp(2.5rem, 6vw, 6rem); }
.split-image { overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.split-image img { width: 100%; min-height: 520px; object-fit: cover; }
.check-list { padding: 0; margin: 1.5rem 0; list-style: none; }
.check-list li { position: relative; padding: .5rem 0 .5rem 2rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 900; }
.text-link { color: var(--navy); font-weight: 800; text-decoration-color: var(--gold); text-underline-offset: 4px; }

.process-grid { grid-template-columns: repeat(4, 1fr); counter-reset: steps; }
.process-card { position: relative; padding: 1.6rem; counter-increment: steps; }
.process-card::before { content: "0" counter(steps); display: block; margin-bottom: 1rem; color: var(--gold); font-size: 1.4rem; font-weight: 900; }
.cta-band { padding: 3rem; border-radius: var(--radius); display: flex; align-items: center; justify-content: space-between; gap: 2rem; color: #fff; background: linear-gradient(125deg, var(--navy), var(--navy-2)); box-shadow: var(--shadow); }
.cta-band h2 { margin: 0 0 .5rem; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.1; }
.cta-band p { margin: 0; color: rgba(255,255,255,.78); }

.page-hero { padding: 6rem 0 5rem; background: linear-gradient(135deg, var(--soft), var(--sky)); }
.page-hero p { max-width: 700px; color: var(--muted); font-size: 1.18rem; }
.values-grid { grid-template-columns: repeat(3, 1fr); }
.value-card { padding: 2rem; }
.form-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: 2rem; }
.contact-card { padding: 2rem; border-radius: var(--radius); color: #fff; background: var(--navy); }
.contact-card h2 { margin-top: 0; }
.contact-list { padding: 0; list-style: none; }
.contact-list li { margin: 1rem 0; }
.contact-list a { color: #fff; }
.form { padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.field-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.field { margin-bottom: 1rem; }
.field label { display: block; margin-bottom: .35rem; color: var(--navy); font-size: .86rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #bdcbd7; border-radius: 10px; padding: .8rem .9rem; background: #fff; }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(43,157,204,.2); border-color: var(--blue); }
.form-note { color: var(--muted); font-size: .82rem; }

.application-hero { padding: 5rem 0 4.5rem; color: #fff; background: linear-gradient(135deg, var(--navy), var(--navy-2)); }
.application-hero-grid { display: grid; grid-template-columns: 1.25fr .75fr; align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.application-hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.02; letter-spacing: -.045em; }
.application-hero p { max-width: 720px; margin: 1.25rem 0 0; color: rgba(255,255,255,.82); font-size: 1.08rem; }
.application-expect { padding: 1.6rem; border: 1px solid rgba(255,255,255,.2); border-radius: 18px; background: rgba(255,255,255,.08); }
.application-expect strong { color: var(--gold); font-size: 1.05rem; }
.application-expect ul { margin: .8rem 0; padding-left: 1.2rem; }
.application-expect p { margin: .75rem 0 0; font-size: .88rem; }
.application-section { background: var(--soft); }
.application-shell { max-width: 1040px; }
.application-heading { margin-bottom: 1.5rem; }
.application-heading h2 { margin: 0; color: var(--navy); font-size: clamp(2rem, 4vw, 3rem); line-height: 1.1; }
.application-heading > p:last-child { color: var(--muted); }
.form-embed { min-height: 900px; padding: clamp(.5rem, 2vw, 1.5rem); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.form-embed iframe { display: block; width: 100% !important; border: 0; }
.form-fallback { padding: 1rem; border-radius: 10px; background: #fff3cd; }

.site-footer { padding: 4rem 0 1.5rem; color: rgba(255,255,255,.76); background: #061b31; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2rem; }
.footer-logo { width: 180px; padding: .5rem; border-radius: 10px; background: #fff; }
.site-footer h3 { margin: 0 0 1rem; color: #fff; font-size: .95rem; }
.footer-links { padding: 0; margin: 0; list-style: none; }
.footer-links li { margin: .55rem 0; }
.footer-links a { color: inherit; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 3rem; padding-top: 1.3rem; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 1rem; font-size: .82rem; }
.mobile-cta { display: none; }

@media (max-width: 980px) {
  .utility-right span:first-child, .nav-actions { display: none; }
  .menu-toggle { display: block; }
  .nav-links { position: absolute; left: 0; right: 0; top: 118px; display: none; padding: 1.25rem; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; background: #fff; box-shadow: var(--shadow); }
  .nav-links.open { display: flex; }
  .hero { min-height: 650px; background: linear-gradient(90deg, rgba(248,251,253,.98) 0%, rgba(248,251,253,.9) 52%, rgba(248,251,253,.25) 100%), url('../images/acaste-hero.webp') 63% center/cover no-repeat; }
  .hero-copy { max-width: 570px; }
  .service-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .application-hero-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .section { padding: 4rem 0; }
  .utility-inner { justify-content: center; }
  .utility-right span:last-child { display: none; }
  .brand img { width: 158px; height: 66px; }
  .nav { min-height: 72px; }
  .nav-links { top: 108px; }
  .hero { min-height: 710px; align-items: end; background: linear-gradient(0deg, rgba(248,251,253,1) 9%, rgba(248,251,253,.92) 48%, rgba(248,251,253,.08) 78%), url('../images/acaste-hero.webp') 72% top/auto 400px no-repeat; }
  .hero-copy { padding: 20rem 0 3rem; }
  .hero h1 { font-size: 2.85rem; }
  .hero-actions, .hero-actions .btn { width: 100%; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(odd) { border-left: 1px solid var(--line); }
  .audience-grid, .service-grid, .values-grid, .process-grid, .field-grid, .form-wrap { grid-template-columns: 1fr; }
  .application-hero { padding: 3.5rem 0; }
  .application-hero h1 { font-size: 2.55rem; }
  .application-section { padding-top: 3rem; }
  .form-embed { margin-inline: -.55rem; padding: 0; border-radius: 14px; }
  .audience-card { min-height: 340px; padding: 1.5rem; }
  .split-image img { min-height: 350px; }
  .cta-band { padding: 2rem; align-items: stretch; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { padding-bottom: 4.5rem; flex-direction: column; }
  .mobile-cta { position: fixed; left: .7rem; right: .7rem; bottom: max(.7rem, env(safe-area-inset-bottom)); z-index: 60; display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: 999px; opacity: 0; pointer-events: none; transform: translateY(calc(100% + 2rem)); box-shadow: 0 12px 35px rgba(0,0,0,.26); transition: opacity .25s ease, transform .25s ease; }
  .mobile-cta.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .mobile-cta a { padding: .9rem .65rem; color: #fff; background: var(--navy); font-size: .82rem; font-weight: 850; text-align: center; text-decoration: none; }
  .mobile-cta a:last-child { color: var(--navy); background: var(--gold); }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}