:root {
  --ote-navy: #15213b;
  --ote-blue: #203b67;
  --ote-gold: #dec327;
  --ote-mint: #00ad92;
  --ote-ink: #18263c;
  --ote-muted: #607083;
  --ote-line: #dce5e8;
  --ote-soft: #f3f7f7;
}

.ote-page { color: var(--ote-ink); overflow: hidden; }
.ote-page h1, .ote-page h2, .ote-page h3 { color: var(--ote-navy); }
.ote-eyebrow { margin: 0 0 .75rem; color: #087e6d; font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.ote-section { padding: clamp(4.5rem, 8vw, 7.5rem) 0; }
.ote-section-soft { background: var(--ote-soft); }
.ote-heading { max-width: 720px; margin: 0 auto 3rem; text-align: center; }
.ote-heading h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.08; }
.ote-heading > p:last-child { color: var(--ote-muted); font-size: 1.08rem; }

.ote-hero {
  position: relative;
  min-height: 690px;
  padding: 8rem 0 5rem;
  background:
    radial-gradient(circle at 78% 35%, rgba(222,195,39,.13), transparent 27rem),
    linear-gradient(135deg, #101a31 0%, #1b3156 100%);
}
.ote-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 1px; background: rgba(255,255,255,.12); }
.ote-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.ote-hero h1 { max-width: 760px; margin: .6rem 0 1.4rem; color: #fff; font-size: clamp(2.7rem, 5.5vw, 5rem); line-height: .99; letter-spacing: -.045em; }
.ote-hero .ote-eyebrow { margin-top: 0; color: #f2d943; }
.ote-hero-lead { max-width: 650px; margin: 0 0 2rem; color: rgba(255,255,255,.82); font-size: clamp(1.05rem, 1.8vw, 1.3rem); line-height: 1.65; }
.ote-authority { display: inline-flex; align-items: center; gap: .65rem; margin-bottom: 1.2rem; padding: .6rem .9rem; border: 1px solid rgba(255,255,255,.2); border-radius: 999px; color: #fff; font-size: .8rem; font-weight: 700; line-height: 1.35; text-decoration: none; }
.ote-authority:hover { border-color: var(--ote-gold); color: var(--ote-gold); }
.ote-authority-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--ote-gold); box-shadow: 0 0 0 5px rgba(222,195,39,.16); }
.ote-hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; }
.ote-hero .btn-outline { border-color: rgba(255,255,255,.38); color: #fff; }
.ote-hero .btn-outline:hover { background: #fff; color: var(--ote-navy); }
.ote-checks { display: flex; flex-wrap: wrap; gap: .8rem 1.25rem; margin: 2rem 0 0; padding: 0; list-style: none; color: rgba(255,255,255,.7); font-size: .82rem; }
.ote-checks li::before { content: "✓"; margin-right: .4rem; color: var(--ote-gold); font-weight: 800; }
.ote-hero-visual { position: relative; min-height: 460px; display: grid; place-items: center; }
.ote-hero-visual > img { width: min(100%, 510px); height: auto; filter: drop-shadow(0 28px 44px rgba(0,0,0,.28)); }
.ote-price-card { position: absolute; right: 0; bottom: 2rem; min-width: 190px; padding: 1rem 1.25rem; border: 1px solid rgba(255,255,255,.25); border-radius: 1rem; background: rgba(255,255,255,.95); box-shadow: 0 18px 40px rgba(0,0,0,.2); }
.ote-price-card span, .ote-price-card small { display: block; color: var(--ote-muted); font-size: .73rem; }
.ote-price-card strong { display: block; margin: .1rem 0; color: var(--ote-navy); font: 800 2rem/1 var(--font-heading); }

.ote-facts { background: var(--ote-navy); border-top: 1px solid rgba(255,255,255,.1); }
.ote-facts-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.ote-facts-grid > div { display: flex; flex-direction: column; padding: 1.4rem; text-align: center; border-right: 1px solid rgba(255,255,255,.12); }
.ote-facts-grid > div:last-child { border: 0; }
.ote-facts strong { color: #fff; font: 800 1.45rem/1.2 var(--font-heading); }
.ote-facts span { margin-top: .25rem; color: rgba(255,255,255,.6); font-size: .78rem; }

.ote-test-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.5rem; max-width: 980px; margin: 0 auto; }
.ote-test-card { position: relative; display: flex; flex-direction: column; padding: clamp(1.5rem,4vw,2.4rem); border: 1px solid var(--ote-line); border-radius: 1.4rem; background: #fff; box-shadow: 0 14px 40px rgba(21,33,59,.07); }
.ote-test-card-featured { border: 2px solid var(--ote-mint); }
.ote-card-label { align-self: flex-start; margin-bottom: 1.2rem; padding: .35rem .65rem; border-radius: 999px; background: #e7f7f4; color: #087e6d; font-size: .72rem; font-weight: 800; text-transform: uppercase; }
.ote-test-top { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; }
.ote-test-top p { margin: 0; color: var(--ote-muted); font-size: .85rem; }
.ote-test-top h3 { margin: .25rem 0 0; font-size: 2.15rem; }
.ote-test-top > strong { color: var(--ote-navy); font: 800 1.8rem var(--font-heading); white-space: nowrap; }
.ote-test-card > p { color: var(--ote-muted); }
.ote-test-card ul { flex: 1; margin: .4rem 0 1.5rem; padding: 0; list-style: none; }
.ote-test-card li { padding: .65rem 0; border-bottom: 1px solid #eef2f3; font-size: .9rem; }
.ote-test-card li::before { content: "✓"; margin-right: .55rem; color: var(--ote-mint); font-weight: 800; }
.ote-fineprint { max-width: 780px; margin: 1.5rem auto 0; color: var(--ote-muted); font-size: .8rem; text-align: center; }

.ote-split { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: clamp(2.5rem,7vw,6rem); }
.ote-split h2, .ote-prep h2, .ote-location h2 { margin-bottom: 1rem; font-size: clamp(2rem,4vw,3.2rem); line-height: 1.1; }
.ote-split > div > p:not(.ote-eyebrow) { color: var(--ote-muted); font-size: 1.05rem; }
.ote-media img { width: 100%; border-radius: 1.4rem; box-shadow: 0 22px 60px rgba(21,33,59,.14); }
.ote-skills { display: grid; grid-template-columns: repeat(2,1fr); gap: .75rem; margin-top: 2rem; }
.ote-skills > div { display: flex; gap: .85rem; padding: 1rem; border: 1px solid var(--ote-line); border-radius: .85rem; background: #fff; }
.ote-skills span { color: var(--ote-mint); font-weight: 800; }
.ote-skills p { margin: 0; color: var(--ote-muted); font-size: .78rem; }
.ote-skills strong { display: block; margin-bottom: .2rem; color: var(--ote-navy); font-size: .95rem; }

.ote-benefit-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.ote-benefit-grid article { padding: 1.5rem; border: 1px solid var(--ote-line); border-radius: 1rem; background: #fff; }
.ote-benefit-grid article > span { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; margin-bottom: 1.2rem; border-radius: .7rem; background: #e7f7f4; color: #087e6d; font-size: 1.2rem; font-weight: 800; }
.ote-benefit-grid h3 { margin-bottom: .5rem; font-size: 1.1rem; }
.ote-benefit-grid p { margin: 0; color: var(--ote-muted); font-size: .86rem; }
.ote-recognition { display: flex; align-items: center; justify-content: space-between; gap: 2rem; margin-top: 2rem; padding: 2rem; border-radius: 1.2rem; background: var(--ote-soft); }
.ote-recognition h3 { margin: 0 0 .5rem; }
.ote-recognition p:last-child { max-width: 720px; margin: 0; color: var(--ote-muted); font-size: .9rem; }

.ote-section-dark { background: var(--ote-navy); color: #fff; }
.ote-section-dark .ote-heading h2 { color: #fff; }
.ote-section-dark .ote-eyebrow { color: var(--ote-gold); }
.ote-process { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; margin: 0; padding: 0; list-style: none; counter-reset: item; }
.ote-process li { position: relative; padding: 1.6rem; border: 1px solid rgba(255,255,255,.14); border-right: 0; }
.ote-process li:first-child { border-radius: 1rem 0 0 1rem; }
.ote-process li:last-child { border-right: 1px solid rgba(255,255,255,.14); border-radius: 0 1rem 1rem 0; }
.ote-process li > span { display: grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: 1rem; border-radius: 50%; background: var(--ote-gold); color: var(--ote-navy); font-weight: 800; }
.ote-process strong { display: block; color: #fff; }
.ote-process p { margin: .35rem 0 0; color: rgba(255,255,255,.62); font-size: .82rem; }
.ote-process-action { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 2rem; }
.ote-process-action span { color: rgba(255,255,255,.6); font-size: .78rem; }

.ote-prep, .ote-location { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(2rem,7vw,6rem); }
.ote-prep > div > p:not(.ote-eyebrow), .ote-location > div > p:not(.ote-eyebrow) { color: var(--ote-muted); font-size: 1.02rem; }
.ote-prep-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; margin-top: 1.5rem; }
.ote-text-link { color: #087e6d; font-weight: 700; }
.ote-prep-list { display: grid; gap: .75rem; }
.ote-prep-list > div { padding: 1.15rem 1.3rem; border-left: 4px solid var(--ote-mint); background: var(--ote-soft); }
.ote-prep-list strong, .ote-prep-list span { display: block; }
.ote-prep-list span { margin-top: .2rem; color: var(--ote-muted); font-size: .85rem; }
.ote-location address { margin-top: 1.5rem; font-style: normal; color: var(--ote-muted); line-height: 1.8; }
.ote-location address strong { display: block; color: var(--ote-navy); }
.ote-location-card { padding: 2rem; border-radius: 1.2rem; background: var(--ote-navy); box-shadow: 0 18px 44px rgba(21,33,59,.16); color: #fff; }
.ote-location-card > span { color: var(--ote-gold); font-size: .75rem; font-weight: 800; text-transform: uppercase; }
.ote-location-card > strong { display: block; margin: .5rem 0; color: #fff; font: 800 2rem var(--font-heading); }
.ote-location-card p { color: rgba(255,255,255,.7) !important; font-size: .9rem !important; }

.ote-faq-layout { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(2rem,7vw,6rem); }
.ote-faq-layout h2 { font-size: clamp(2rem,4vw,3.2rem); }
.ote-faq-layout > div:first-child > p:last-child { color: var(--ote-muted); }
.ote-faq details { border-top: 1px solid var(--ote-line); }
.ote-faq details:last-child { border-bottom: 1px solid var(--ote-line); }
.ote-faq summary { position: relative; padding: 1.3rem 2.5rem 1.3rem 0; color: var(--ote-navy); font-weight: 750; cursor: pointer; list-style: none; }
.ote-faq summary::-webkit-details-marker { display: none; }
.ote-faq summary::after { content: "+"; position: absolute; right: .2rem; color: var(--ote-mint); font-size: 1.4rem; }
.ote-faq details[open] summary::after { content: "–"; }
.ote-faq details p { margin: -.3rem 0 1.3rem; color: var(--ote-muted); font-size: .9rem; }

.ote-spanish { padding-top: 1rem; }
.ote-spanish-card { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: clamp(2rem,5vw,3.4rem); border: 1px solid var(--ote-line); border-radius: 1.4rem; background: var(--ote-soft); }
.ote-spanish-card h2 { margin-bottom: .6rem; }
.ote-spanish-card p:last-child { max-width: 720px; margin: 0; color: var(--ote-muted); }
.ote-spanish-actions { display: flex; align-items: center; gap: 1rem; white-space: nowrap; }
.ote-spanish-actions img { object-fit: contain; }
.ote-final { padding: 5rem 0; background: linear-gradient(125deg,#182641,#24476e); text-align: center; }
.ote-final p { margin: 0 0 .5rem; color: var(--ote-gold); font-size: .78rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.ote-final h2 { margin: 0 auto 1.5rem; color: #fff; font-size: clamp(2rem,4vw,3.4rem); }
.ote-mobile-cta { display: none; }

/* Oxford checkout modal */
.booking-overlay { position: fixed; z-index: 10000; inset: 0; display: none; align-items: center; justify-content: center; padding: 1rem; background: rgba(10,20,36,.76); backdrop-filter: blur(7px); }
.booking-overlay.active { display: flex; }
.booking-modal { width: min(920px,100%); max-height: calc(100vh - 2rem); overflow: auto; border-radius: 1.25rem; background: #fff; box-shadow: 0 28px 90px rgba(0,0,0,.35); }
.booking-header { position: sticky; z-index: 2; top: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--ote-line); background: #fff; }
.booking-title { margin: 0; font-size: 1.25rem; }
.booking-subtitle { margin: .25rem 0 0; color: var(--ote-muted); font-size: .78rem; }
.booking-close { display: grid; place-items: center; width: 2.3rem; height: 2.3rem; border: 0; border-radius: 50%; background: var(--ote-soft); cursor: pointer; }
.booking-steps-bar { display: grid; grid-template-columns: repeat(3,1fr); padding: 1rem 1.5rem; background: var(--ote-soft); }
.bsb-step { display: flex; align-items: center; justify-content: center; gap: .45rem; color: #84919d; font-size: .78rem; font-weight: 700; }
.bsb-step::before { content: attr(data-step); display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: #dfe7e9; }
.bsb-step.active { color: #087e6d; }
.bsb-step.active::before, .bsb-step.done::before { background: var(--ote-mint); color: #fff; }
.booking-content { padding: 1.5rem; }
.booking-content.hidden, .booking-footer.hidden { display: none; }
.booking-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; }
.booking-field-full { grid-column: 1/-1; }
.booking-label { display: block; margin-bottom: .4rem; color: var(--ote-navy); font-size: .79rem; font-weight: 750; }
.booking-input, .booking-select { width: 100%; min-height: 46px; padding: .7rem .85rem; border: 1px solid #cdd9dc; border-radius: .65rem; background: #fff; color: var(--ote-ink); font: inherit; font-size: .9rem; }
.booking-input:focus, .booking-select:focus { outline: 3px solid rgba(0,173,146,.13); border-color: var(--ote-mint); }
.booking-error { display: block; min-height: .9rem; margin-top: .25rem; color: #b42318; font-size: .72rem; }
.booking-product-grid, .booking-dates-grid, .booking-payment-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .75rem; }
.booking-option { position: relative; cursor: pointer; }
.booking-option input { position: absolute; opacity: 0; pointer-events: none; }
.booking-option-box { display: block; height: 100%; padding: 1rem; border: 1px solid #ccd8db; border-radius: .8rem; background: #fff; }
.booking-option input:checked + .booking-option-box { border: 2px solid var(--ote-mint); background: #f1fbf9; box-shadow: 0 0 0 3px rgba(0,173,146,.08); }
.booking-option-box strong, .booking-option-box span, .booking-option-box small { display: block; }
.booking-option-box strong { color: var(--ote-navy); }
.booking-option-box span { margin-top: .25rem; color: var(--ote-muted); font-size: .78rem; }
.booking-option-box small { margin-top: .55rem; color: #087e6d; font-weight: 800; }
.booking-section-title { margin: 1.2rem 0 .7rem; color: var(--ote-navy); font-size: .88rem; font-weight: 800; }
.booking-notice { margin-top: 1rem; padding: .8rem 1rem; border-radius: .65rem; background: #fff8d9; color: #66591a; font-size: .77rem; }
.booking-summary { display: grid; gap: .6rem; padding: 1rem; border-radius: .8rem; background: var(--ote-soft); }
.booking-summary-row { display: flex; justify-content: space-between; gap: 1rem; font-size: .85rem; }
.booking-summary-row strong { color: var(--ote-navy); text-align: right; }
.booking-summary-row.total { padding-top: .6rem; border-top: 1px solid var(--ote-line); font-size: 1rem; }
.booking-legal { display: grid; gap: .7rem; margin-top: 1rem; }
.booking-check { display: flex; align-items: flex-start; gap: .55rem; color: var(--ote-muted); font-size: .76rem; line-height: 1.45; }
.booking-check input { margin-top: .18rem; accent-color: var(--ote-mint); }
.booking-status { min-height: 1.2rem; margin: .7rem 0 0; color: #b42318; font-size: .8rem; }
.booking-footer { position: sticky; bottom: 0; display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 1.5rem; border-top: 1px solid var(--ote-line); background: #fff; }
.booking-loading { opacity: .65; pointer-events: none; }

@media (max-width: 900px) {
  .ote-hero { min-height: auto; padding-top: 7rem; }
  .ote-hero-grid, .ote-split, .ote-prep, .ote-location, .ote-faq-layout { grid-template-columns: 1fr; }
  .ote-hero-visual { min-height: 340px; }
  .ote-hero-visual > img { max-width: 380px; }
  .ote-benefit-grid { grid-template-columns: repeat(2,1fr); }
  .ote-process { grid-template-columns: repeat(2,1fr); }
  .ote-process li, .ote-process li:first-child, .ote-process li:last-child { border: 1px solid rgba(255,255,255,.14); border-radius: 0; }
  .ote-spanish-card { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 640px) {
  .ote-section { padding: 4rem 0; }
  .ote-hero { padding-bottom: 3rem; }
  .ote-hero h1 { font-size: 2.75rem; }
  .ote-hero-actions .btn { width: 100%; }
  .ote-checks { display: grid; }
  .ote-hero-visual { min-height: 280px; }
  .ote-price-card { right: .2rem; bottom: .2rem; }
  .ote-facts-grid { grid-template-columns: repeat(2,1fr); }
  .ote-facts-grid > div:nth-child(2) { border-right: 0; }
  .ote-facts-grid > div:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .ote-test-grid, .ote-benefit-grid, .ote-skills, .ote-process, .booking-grid, .booking-product-grid, .booking-dates-grid, .booking-payment-grid { grid-template-columns: 1fr; }
  .ote-recognition, .ote-process-action, .ote-spanish-actions { align-items: flex-start; flex-direction: column; }
  .ote-mobile-cta { position: fixed; z-index: 1000; right: .6rem; bottom: .6rem; left: .6rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .65rem .7rem .65rem 1rem; border: 1px solid rgba(255,255,255,.15); border-radius: .9rem; background: rgba(21,33,59,.96); box-shadow: 0 12px 34px rgba(0,0,0,.25); color: #fff; backdrop-filter: blur(12px); }
  .ote-mobile-cta span { font-size: .72rem; }
  .ote-mobile-cta strong { display: block; font-size: .85rem; }
  .booking-overlay { padding: 0; }
  .booking-modal { max-height: 100vh; min-height: 100vh; border-radius: 0; }
  .booking-header { padding: 1rem; }
  .booking-steps-bar { padding: .8rem .4rem; }
  .bsb-step { flex-direction: column; text-align: center; font-size: .65rem; }
  .booking-content { padding: 1rem; }
  .booking-footer { padding: .8rem 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .ote-page *, .booking-overlay * { scroll-behavior: auto !important; }
}