/* Modern, elegant theme inspired by Aston Martin aesthetics */
:root {
  --bg: #0f2b1d;           /* deep charcoal green */
  --surface: #121a16;
  --card: #17211c;
  --text: #e9efe9;
  --muted: #b8c4bc;
  --accent: #89b18a;       /* subtle sage */
  --accent-strong: #b2ffb2;
  --gold: #c8a96a;
  --danger: #ff6b6b;
  --container: 1200px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg); /* fallback color */
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
/* Fixed non-scrolling background layer */
.site-bg { position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(1200px 800px at 20% 0%, #15201b 0%, var(--bg) 50%, #0a0f0c 100%);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }

/* Header & Navigation */
.site-header { position: sticky; top: 0; z-index: 1000; -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); background: rgba(14,20,17,0.75); background: color-mix(in oklab, var(--bg) 85%, transparent); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-container { display: flex; align-items: center; justify-content: space-between; padding: .75rem 0; position: relative; }
.brand { display: inline-flex; align-items: center; gap: .6rem; font-weight: 600; letter-spacing: .2px; color: var(--text); }
.brand-logo { width: clamp(90px, 18vw, 150px); aspect-ratio: 16 / 9; min-height: 40px; border-radius: 12px; overflow: hidden; position: relative; display: inline-block; border: 1px solid rgba(255,255,255,.18); background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)); box-shadow: 0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.12); transform: perspective(600px) rotateX(0deg) rotateY(0deg); transition: transform .25s ease, box-shadow .25s ease; }
.brand-logo img { width: 100%; height: 100%; object-fit: cover; object-position: center; display: block; filter: saturate(1.02) contrast(1.03); }
.brand-logo::after { content: ""; position: absolute; inset: -30%; background: radial-gradient(closest-side, rgba(255,255,255,.25), transparent 70%); transform: translate(-20%, -20%) rotate(0deg); opacity: .18; pointer-events: none; transition: transform .4s ease, opacity .3s ease; }
.brand:hover .brand-logo { transform: perspective(600px) rotateX(4deg) rotateY(-6deg); box-shadow: 0 20px 60px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.18); }
.brand:hover .brand-logo::after { transform: translate(10%, 0%) rotate(12deg); opacity: .28; }
.brand-text { font-family: 'Playfair Display', serif; font-size: 1.05rem; }

.primary-nav { position: absolute; right: 0; top: 100%; background: var(--card); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: transform .25s ease, opacity .25s ease; width: min(92vw, 320px); padding: 1rem; border: 1px solid rgba(255,255,255,.06); border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.35); z-index: 1001; }
.primary-nav.open { transform: translateY(8px); opacity: 1; pointer-events: auto; }
.primary-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .25rem; max-height: 70vh; overflow: auto; }
.primary-nav a { display: block; padding: .8rem 1rem; border-radius: 8px; color: var(--text); }
.primary-nav a.active, .primary-nav a:hover { background: linear-gradient(90deg, rgba(200,169,106,0.15), transparent 80%); color: #fff; }

/* Language switcher */
.lang-switcher { margin-left: .25rem; }
.lang-switcher details { display: inline-block; }
.lang-switcher summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: .35rem; padding: .55rem .7rem; border: 1px solid rgba(255,255,255,.18); border-radius: 10px; background: rgba(255,255,255,.04); }
.lang-switcher summary::-webkit-details-marker { display:none; }
.lang-switcher[open] summary, .lang-switcher details[open] summary { background: rgba(255,255,255,.08); }
.lang-switcher .lang-menu { display: grid; gap: .25rem; padding: .5rem; background: var(--card); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 20px 40px rgba(0,0,0,.35); border-radius: 12px; margin-top: .4rem; }
.lang-switcher .lang-menu a { padding: .5rem .6rem; border-radius: 8px; border: 1px solid transparent; }
.lang-switcher .lang-menu a:hover { border-color: rgba(255,255,255,.16); background: rgba(255,255,255,.06); }

.nav-toggle { width: 46px; height: 42px; display: inline-grid; place-items: center; border: 1px solid rgba(255,255,255,.25); background: transparent; border-radius: 10px; cursor: pointer; }
.nav-toggle .bar { width: 20px; height: 2px; background: var(--text); display: block; margin: 3px 0; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav { position: static; transform: none; width: auto; background: transparent; border: none; padding: 0; opacity: 1; pointer-events: auto; box-shadow: none; }
  .primary-nav ul { display: flex; gap: .25rem; }
  .primary-nav a { padding: .6rem .9rem; }
  .lang-switcher { margin-left: .5rem; }
}

/* Hero */
.hero { padding: clamp(6rem, 8vw, 10rem) 0 3rem; position: relative; overflow: hidden; }
.hero .container { display: grid; gap: 1.25rem; align-items: center; }
.hero-title { font-family: 'Playfair Display', serif; font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.1; letter-spacing: .2px; margin: 0; }
.hero-sub { color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.25rem); max-width: 60ch; }
.hero-cta { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1rem; }
.metrics { display: grid; grid-template-columns: repeat(2,minmax(120px,1fr)); gap: .75rem; margin-top: 1rem; }
.metric { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.06); border-radius: 12px; padding: .75rem .9rem; display: grid; }
.metric strong { font-family: 'Playfair Display', serif; font-size: 1.25rem; }
.metric span { color: var(--muted); font-size: .95rem; }
.btn { display: inline-block; padding: .85rem 1.1rem; border-radius: 12px; border: 1px solid rgba(255,255,255,.2); color: var(--text); background: linear-gradient(180deg, rgba(200,169,106,.25), rgba(200,169,106,.05)); box-shadow: inset 0 1px 0 rgba(255,255,255,.1); }
.btn.primary { background: linear-gradient(180deg, rgba(200,169,106,.45), rgba(200,169,106,.1)); border-color: rgba(200,169,106,.6); }
.btn.btn-secondary { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.18); }
.btn.btn-outline { background: transparent; border-color: rgba(255,255,255,.28); }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 30px rgba(0,0,0,.25); }

/* Sections */
.section { padding: clamp(2.5rem, 5vw, 4rem) 0; }
.section h2 { font-family: 'Playfair Display', serif; font-size: clamp(1.6rem, 3.2vw, 2.1rem); margin-top: 0; }
.grid { display: grid; gap: 1rem; }
.cards { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--card); border: 1px solid rgba(255,255,255,.06); border-radius: 16px; padding: 1.1rem; box-shadow: 0 8px 40px rgba(0,0,0,.2); display: flex; flex-direction: column; }
.card .btn { margin-top: auto; align-self: flex-start; }
.card h3 { margin-top: 0; font-family: 'Playfair Display', serif; }
.muted { color: var(--muted); }
.testimonials .card p { margin: .2rem 0; }
.testimonials .card p.muted { margin-top: .5rem; }

/* Partners (logos) */
.partners-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); align-items: center; gap: 1rem; }
.logo-card { background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015)); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: .3rem; display: grid; place-items: center; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.logo-card:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(0,0,0,.25); border-color: rgba(255,255,255,.12); }
.partner-logo { width: 100%; height: 100%; display: grid; place-items: center; padding: .25rem; }
.partner-logo img { width: 100%; height: 100%; object-fit: contain; }

/* Partners carousel */
.partners-carousel { position: relative; display: grid; align-items: center; grid-template-columns: auto 1fr auto; gap: .25rem; background-color: whitesmoke; border-radius: 20px; }
.partners-carousel .carousel-viewport { overflow: hidden; }
.partners-carousel .carousel-track { display: flex; will-change: transform; transition: transform .45s ease; }
.partners-carousel .carousel-slide { flex: 0 0 33.3333%; padding: .5rem; aspect-ratio: 1 / 1; display: grid; }
.partners-carousel .carousel-slide .logo-card { height: 100%; }
.partners-carousel .carousel-btn { appearance: none; border: 1px solid #000100; background: rgba(178,255,178,.12); color: #3b443b; width: 44px; height: 44px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; font-size: 1.6rem; line-height: 1; box-shadow: 0 6px 18px rgba(0,0,0,.18); z-index: 2; }
.partners-carousel .carousel-btn:hover { background: rgba(178,255,178,.2); border-color: #b2ffb2; box-shadow: 0 8px 24px rgba(0,0,0,.22); }
.partners-carousel .carousel-btn:focus-visible { outline: 2px solid var(--accent-strong); outline-offset: 2px; }

@media (max-width: 900px) {
  .partners-carousel .carousel-slide { flex-basis: 50%; }
}
@media (max-width: 600px) {
  .partners-carousel .carousel-slide { flex-basis: 100%; }
}

/* Testimonials carousel (text cards) */
.testimonials-carousel { position: relative; display: grid; align-items: stretch; grid-template-columns: auto 1fr auto; gap: .25rem; border-radius: 16px; }
.testimonials-carousel .carousel-viewport { overflow: hidden; }
.testimonials-carousel .carousel-track { display: flex; will-change: transform; transition: transform .45s ease; }
.testimonials-carousel .carousel-slide { flex: 0 0 33.3333%; padding: .5rem; display: grid; }
.testimonials-carousel .carousel-slide .card { height: 100%; }
.testimonials-carousel .carousel-btn { appearance: none; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); color: #fff; width: 44px; height: 44px; border-radius: 999px; display: grid; place-items: center; cursor: pointer; font-size: 1.4rem; line-height: 1; box-shadow: 0 6px 18px rgba(0,0,0,.18); z-index: 2; }
.testimonials-carousel .carousel-btn:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.28); box-shadow: 0 8px 24px rgba(0,0,0,.22); }
.testimonials-carousel .carousel-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
@media (max-width: 900px) { .testimonials-carousel .carousel-slide { flex-basis: 50%; } }
@media (max-width: 600px) { .testimonials-carousel .carousel-slide { flex-basis: 100%; } }

/* Placement test visual sections */
.ez-placement .hidden { display: none !important; }
.ez-placement .test-section {
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 12px;
  padding: .9rem 1rem;
  margin: .9rem 0 1rem;
  background: rgba(255,255,255,.03);
}
.ez-placement #stepper {
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 999px;
  padding: .35rem .5rem;
  background: rgba(255,255,255,.02);
}

/* High-contrast light passage blocks (reading/transcript) */
.ez-placement .passage {
  background: #f8f9fa;
  color: #0f1612; /* dark text on light background for readability */
  border: 1px solid #e5e7eb;
  line-height: 1.75;
  font-size: 1.05rem;
}

/* Forms */
.form { display: grid; gap: .8rem; max-width: 680px; }
.input { width: 100%; padding: .9rem 1rem; border-radius: 12px; border: 1px solid rgba(255,255,255,.18); background: #0f1612; color: var(--text); }
.textarea { min-height: 140px; resize: vertical; }
.form .help { font-size: .9rem; color: var(--muted); }
.form .error { color: var(--danger); }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.06); background: #0c110e00; margin-top: 3rem; }
.footer-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); padding: 2rem 0; }
.footer-bottom { padding: 1rem 0; border-top: 1px solid rgba(255,255,255,.05); color: var(--muted); }
.footer-bottom .footer-admin-link { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .4rem; border-radius: 8px; cursor: pointer; color: var(--muted); border: 1px solid transparent; }
.footer-bottom .footer-admin-link:hover { color: #fff; border-color: rgba(255,255,255,.12); background: rgba(255,255,255,.04); }

/* Site credit */
.site-credit { padding: .9rem 0 1.4rem; display: flex; justify-content: center; }
.site-credit__link { display: inline-flex; align-items: center; gap: .6rem; color: rgba(255,255,255,.92); border: 1px solid rgba(255,255,255,.12); padding: .45rem .7rem; border-radius: 12px; background: rgba(255,255,255,.06); text-decoration: none; }
.site-credit__link:hover { color: #fff; border-color: rgba(255,255,255,.2); background: rgba(255,255,255,.12); }
.site-credit__logo { height: 28px; width: auto; border-radius: 6px; border: 1px solid rgba(255,255,255,.2); background: #000; }
.site-credit__text { font-size: 1rem; font-weight: 500; letter-spacing: .1px; }

/* Utilities */
.lead { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--muted); }
.spacer { height: 1rem; }

/* Cookie banner & modal */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 2000; background: var(--card); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: .9rem 1rem; box-shadow: 0 14px 50px rgba(0,0,0,.35); display: grid; gap: .75rem; grid-template-columns: 1fr auto; align-items: center; }
.cookie-banner__title { display: block; font-family: 'Playfair Display', serif; font-size: 1.1rem; }
.cookie-banner__desc { margin: .2rem 0 0; color: var(--muted); }
.cookie-banner__actions { display: flex; gap: .5rem; flex-wrap: wrap; }
@media (max-width: 700px) {
  .cookie-banner { grid-template-columns: 1fr; }
  .cookie-banner__actions { justify-content: flex-start; }
}

.cookie-modal { position: fixed; inset: 0; z-index: 2100; background: rgba(0,0,0,.55); display: grid; place-items: center; }
.cookie-modal[hidden] { display: none !important; }
.cookie-modal__dialog { width: min(94vw, 720px); background: var(--surface); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; box-shadow: 0 20px 60px rgba(0,0,0,.5); overflow: hidden; }
.cookie-modal__header { display: flex; align-items: center; justify-content: space-between; padding: .9rem 1rem; border-bottom: 1px solid rgba(255,255,255,.06); }
.cookie-modal__header h3 { margin: 0; font-family: 'Playfair Display', serif; }
.cookie-modal__close { appearance: none; border: 1px solid rgba(255,255,255,.2); background: transparent; color: var(--text); width: 36px; height: 36px; border-radius: 10px; cursor: pointer; }
.cookie-modal__body { padding: 1rem; }
.cookie-modal__footer { padding: .9rem 1rem; display: flex; gap: .5rem; justify-content: flex-end; border-top: 1px solid rgba(255,255,255,.06); }
.cookie-categories { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .6rem; }
.cookie-categories label { display: block; padding: .6rem .7rem; border: 1px solid rgba(255,255,255,.08); border-radius: 12px; background: rgba(255,255,255,.03); }
.cookie-modal-open { overflow: hidden; }

/* Accessibility */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--gold); color: #161616; padding: .5rem .75rem; border-radius: 8px; z-index: 9999; }

/* Scrollbars: globally hide in all major browsers, but keep scrolling functional */
/* Note: If you need scrollbars in a particular container, add class `.with-scrollbars` to it. */
/* stylelint-disable property-no-unsupported-browser-features */
/* IE/Legacy Edge */
* { -ms-overflow-style: none; }
/* WebKit (Chrome/Safari/Edge Chromium) */
*::-webkit-scrollbar { width: 0 !important; height: 0 !important; display: none; }
/* Firefox (guarded behind feature query to avoid compatibility warnings in non-supporting browsers) */
@supports (scrollbar-width: none) {
  * { scrollbar-width: none; }
  .with-scrollbars { scrollbar-width: auto; }
}

/* Opt-out utility to re-enable scrollbars on demand */
.with-scrollbars { -ms-overflow-style: auto; }
.with-scrollbars::-webkit-scrollbar { display: initial; width: 12px; height: 12px; }
/* stylelint-enable property-no-unsupported-browser-features */

/* Equal-height partner logos in carousel */
.partners-carousel .partner-logo {
  height: 56px;
  padding: .25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partners-carousel .partner-logo img {
  max-height: 56px;
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

/* Share buttons: equal height and alignment */
.share-buttons { display: flex; gap: .5rem; flex-wrap: wrap; align-items: stretch; }
.share-buttons .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  min-height: 44px; /* uniform height across labels */
}