/* ──────────────────────────────────────────────────────────────
   Pearson Skilling Program — AI Landing Pages
   Design system: dark plum + electric lime + magenta
   No blue, no orange.
   ────────────────────────────────────────────────────────────── */

:root {
  /* Surfaces */
  --bg: #0a0712;
  --bg-2: #0f0a1b;
  --surface: #15101f;
  --surface-2: #1d172c;
  --surface-3: #251c38;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text: #f5f1ff;
  --text-dim: #c4bcd8;
  --text-mute: #8d83a8;

  /* Accents */
  --lime: #c8ff3d;
  --lime-soft: #e7ff9e;
  --lime-deep: #8fbf1f;
  --magenta: #ff3aa0;
  --magenta-soft: #ff8bc5;
  --violet: #7a2bd1;
  --plum: #2a1640;

  /* Course accent slot (set per page) */
  --accent: var(--lime);
  --accent-2: var(--magenta);
  --accent-ink: #0a0712;

  /* Type */
  --font-display: "Bricolage Grotesque", "Space Grotesk", system-ui, sans-serif;
  --font-sans: "Manrope", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Radii / shadow */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --r-xl: 32px;

  --shadow-lg: 0 30px 80px -20px rgba(255, 58, 160, 0.18),
               0 10px 30px -10px rgba(0, 0, 0, 0.6);
}

/* ── Reset / base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg) !important;
  color: var(--text) !important;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
a:hover { color: inherit !important; text-decoration: none !important; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font-family: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.5;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }

::selection { background: var(--accent); color: var(--accent-ink); }

/* ── Backdrop atmosphere ──────────────────────────────────── */
.atmos {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.navbar .dropdown-item:hover {
  background-color: #011e62 !important;
  color: #fff !important;
}
.atmos::before,
.atmos::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.55;
}
.atmos::before {
  width: 700px; height: 700px;
  left: -200px; top: -150px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.25;
}
.atmos::after {
  width: 800px; height: 800px;
  right: -250px; top: 30vh;
  background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
  opacity: 0.22;
}
.atmos .grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 50% 0%, black, transparent 70%);
}
.atmos .noise {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 3px 3px;
  opacity: 0.4;
  mix-blend-mode: overlay;
}

/* ── Layout shell ─────────────────────────────────────────── */
.page {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) {
  .page { padding: 0 20px; }
}

/* ── Top nav (brand + partner badge, no menu) ─────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 0 18px;
  position: relative;
  z-index: 5;
  gap: 24px;
}
.nav .hub__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 14px 24px;
  border-radius: 18px;
  background: linear-gradient(90deg, #061a66 0%, #0b2a8b 100%);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 40px rgba(5,17,69,0.24);
}
.nav .hub__head::before {
  content: "";
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M4 13.5V10.5C4 9.95 4.45 9.5 5 9.5H8L16.5 5.5V18.5L8 14.5H5C4.45 14.5 4 14.05 4 13.5Z' fill='%23ff5ec4'/%3E%3Cpath d='M8 14.5L9.5 18C9.8 18.7 9.3 19.5 8.54 19.5H7.6C7.16 19.5 6.76 19.24 6.58 18.84L4.8 14.5H8Z' fill='%23c8ff3d'/%3E%3Cpath d='M18.5 8C19.88 9.12 20.75 10.79 20.75 12.5C20.75 14.21 19.88 15.88 18.5 17' stroke='white' stroke-width='1.6' stroke-linecap='round'/%3E%3Cpath d='M17 10.25C17.83 10.84 18.25 11.66 18.25 12.5C18.25 13.34 17.83 14.16 17 14.75' stroke='white' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  filter: drop-shadow(0 0 14px rgba(255,94,196,0.3));
}
.nav .hub__head h1 {
  margin: 0;
  max-width: 980px;
  font-family: var(--font-sans);
  font-size: clamp(13px, 1.45vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-align: center;
  color: #f4f7ff;
}
.nav__brand {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}
.nav__logo-wrap {
  display: flex;
  align-items: center;
}
.nav__logo {
  height: 60px;
  width: auto;
  display: block;
}
.nav__brand .nav__sep {
  width: 1px;
  height: 36px;
  background: var(--line-strong);
}
.nav__brand .nav__partner-text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  line-height: 1.4;
  display: none;
}
@media (min-width: 720px) {
  .nav__brand .nav__partner-text { display: block; }
}
.nav__mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 30% 30%, var(--accent) 0%, transparent 60%),
    radial-gradient(circle at 70% 70%, var(--accent-2) 0%, transparent 60%),
    var(--surface-2);
  border: 1px solid var(--line-strong);
  position: relative;
}
.nav__mark::after {
  content: "";
  position: absolute; inset: 8px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.4);
  border-top-color: transparent;
  border-right-color: transparent;
  transform: rotate(-45deg);
}
.nav__partner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 14px 8px 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.nav__partner img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}
.nav__partner b { color: var(--text); font-weight: 500; }

/* ── Floating side anchor rail ────────────────────────────── */
.rail {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 16px 12px;
  background: rgba(15, 10, 27, 0.7);
  border: 1px solid var(--line);
  border-radius: 999px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.rail a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  transition: background .2s, transform .2s;
}
.rail a:hover { background: var(--accent); transform: scale(1.4); }
.rail a.is-active { background: var(--accent); box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 25%, transparent); }
.rail a::after {
  content: attr(data-label);
  position: absolute;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface-2);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.rail a:hover::after { opacity: 1; transform: translateY(-50%) translateX(-4px); }
@media (max-width: 1100px) {
  .rail { display: none; }
}

/* ── Mobile anchor strip (replaces rail on small screens) ── */
.jump {
  display: none;
  overflow-x: auto;
  gap: 8px;
  padding: 12px 0;
  margin: 0 -20px 0;
  padding-left: 20px;
  padding-right: 20px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.jump::-webkit-scrollbar { display: none; }
.jump a {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.jump a.is-active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
@media (max-width: 1100px) {
  .jump { display: flex; }
}

/* ── Chips / pills ────────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 500;
}
.chip__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--accent) 30%, transparent);
}
.chip--accent {
  background: color-mix(in oklch, var(--accent) 18%, transparent);
  border-color: color-mix(in oklch, var(--accent) 50%, transparent);
  color: var(--accent);
}
.chip--mag {
  background: color-mix(in oklch, var(--accent-2) 18%, transparent);
  border-color: color-mix(in oklch, var(--accent-2) 50%, transparent);
  color: var(--accent-2);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 12px 30px -10px color-mix(in oklch, var(--accent) 50%, transparent);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px -10px color-mix(in oklch, var(--accent) 70%, transparent);
}
.btn--ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
  color: var(--accent);
}
.btn__arrow {
  width: 18px; height: 18px;
  display: inline-grid; place-items: center;
}

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 40px 0 80px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
}

.hero__eyebrow {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.hero__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 6px 12px;
  border-radius: 6px;
  background: color-mix(in oklch, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
}
.hero__title {
  font-size: clamp(44px, 5.6vw, 78px);
  font-weight: 500;
  letter-spacing: -0.035em;
}
.hero__title .accent {
  font-style: italic;
  font-family: "Instrument Serif", "Bricolage Grotesque", serif;
  font-weight: 400;
  color: var(--accent);
}
.hero__title .strike {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  color: var(--text-dim);
  font-size: 18px;
  max-width: 540px;
  margin-top: 24px;
  line-height: 1.6;
}
.hero__ctas {
  display: flex; gap: 14px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero__meta {
  display: flex;
  gap: 28px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.hero__meta dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 600;
  margin-bottom: 6px;
}
.hero__meta dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.hero__meta dd .small { font-size: 14px; color: var(--text-dim); margin-left: 4px; }

/* Hero visual */
.hero__visual {
  position: relative;
  aspect-ratio: 1;
  width: 100%;
  max-width: 520px;
  justify-self: end;
}
@media (max-width: 980px) {
  .hero__visual { max-width: 440px; justify-self: center; }
}
.hero__orb {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, color-mix(in oklch, var(--accent) 50%, transparent) 0%, transparent 50%),
    radial-gradient(circle at 70% 75%, color-mix(in oklch, var(--accent-2) 60%, transparent) 0%, transparent 55%),
    radial-gradient(circle at 50% 50%, var(--plum) 0%, var(--bg) 80%);
  filter: blur(2px);
  animation: orb-pulse 8s ease-in-out infinite;
}
@keyframes orb-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
.hero__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero__badge {
  position: absolute;
  width: auto;
  bottom: -8px;
  right: -8px;
  filter: drop-shadow(0 20px 30px rgba(0,0,0,0.4));
  z-index: 3;
}
.hero__floater {
  position: absolute;
  background: var(--surface-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  padding: 14px 18px;
  font-size: 13px;
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.hero__floater--1 {
  top: 8%;
  left: -12%;
  animation: float 6s ease-in-out infinite;
}
.hero__floater--2 {
  bottom: 18%;
  left: -8%;
  animation: float 7s ease-in-out infinite reverse;
}
.hero__floater--3 {
  top: 22%;
  right: -6%;
  animation: float 8s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero__floater b {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--accent);
  font-weight: 500;
}
.hero__floater--2 b { color: var(--accent-2); }

/* ── Marquee / partners ─────────────────────────────────── */
.marquee {
  margin: 16px 0 80px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.marquee b { color: var(--text); font-weight: 500; }

/* ── Section heading ──────────────────────────────────────── */
.section {
  padding: 80px 0;
  position: relative;
}
.section--tight { padding: 50px 0; }
.section__head {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 50px;
  margin-bottom: 56px;
  align-items: end;
}
@media (max-width: 860px) {
  .section__head { grid-template-columns: 1fr; gap: 20px; }
}
.section__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 12px;
}
.section__label::before {
  content: ""; width: 24px; height: 1px; background: var(--accent);
}
.section__title {
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 500;
  letter-spacing: -0.03em;
}
.section__title .ital {
  font-style: italic;
  font-family: "Instrument Serif", serif;
  font-weight: 400;
}
.section__desc {
  color: var(--text-dim);
  font-size: 18px;
  line-height: 1.6;
  max-width: 560px;
}

/* ── Audience cards ───────────────────────────────────────── */
.audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.aud-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.aud-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.aud-card__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: color-mix(in oklch, var(--accent) 16%, transparent);
  border: 1px solid color-mix(in oklch, var(--accent) 35%, transparent);
  display: grid; place-items: center;
  color: var(--accent);
  margin-bottom: 18px;
}
.aud-card:nth-child(even) .aud-card__icon {
  background: color-mix(in oklch, var(--accent-2) 16%, transparent);
  border-color: color-mix(in oklch, var(--accent-2) 35%, transparent);
  color: var(--accent-2);
}
.aud-card h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
  font-family: var(--font-sans);
  letter-spacing: -0.01em;
}
.aud-card p {
  color: var(--text-mute);
  font-size: 14.5px;
  line-height: 1.55;
}
.aud-card__num {
  position: absolute;
  top: 16px; right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
}

/* ── Outcomes (numbered list) ─────────────────────────────── */
.outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 720px) {
  .outcomes { grid-template-columns: 1fr; }
}
.outcomes li {
  list-style: none;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  gap: 18px;
  font-size: 17px;
  line-height: 1.45;
  transition: padding-left .3s ease, color .3s ease;
}
.outcomes li:nth-child(odd) { padding-right: 30px; border-right: 1px solid var(--line); }
.outcomes li:nth-child(even) { padding-left: 30px; }
@media (max-width: 720px) {
  .outcomes li:nth-child(odd) { padding-right: 0; border-right: 0; }
  .outcomes li:nth-child(even) { padding-left: 0; }
}
.outcomes li:hover { color: var(--accent); padding-left: 8px; }
.outcomes li:nth-child(even):hover { padding-left: 38px; }
.outcomes__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  min-width: 30px;
  padding-top: 4px;
}

/* ── Form validation + reCAPTCHA UI ───────────────────────── */
.field { position: relative; }
.field--error input {
  border-color: #ff6b8a !important;
  background: rgba(255, 107, 138, 0.06);
}
.field__error {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: #ff6b8a;
  font-family: var(--font-sans);
  letter-spacing: 0;
  text-transform: none;
}
.field input:invalid:not(:placeholder-shown) {
  border-color: #ff6b8a;
}
.field input[aria-invalid="false"]:not(:placeholder-shown) {
  border-color: color-mix(in oklch, var(--accent) 50%, var(--line));
}

.form-banner {
  display: none;
  padding: 14px 18px;
  border-radius: var(--r-md);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 24px;
}
.form-banner--error {
  background: rgba(255, 107, 138, 0.10);
  border: 1px solid rgba(255, 107, 138, 0.4);
  color: #ffb1c2;
}
.form-banner--success {
  background: color-mix(in oklch, var(--accent) 14%, transparent);
  border: 1px solid color-mix(in oklch, var(--accent) 45%, transparent);
  color: var(--accent);
}

.recaptcha-notice {
  margin-top: 18px;
  font-size: 11.5px;
  color: var(--text-mute);
  line-height: 1.6;
  font-family: var(--font-sans);
}
.recaptcha-notice a {
  color: var(--text-dim);
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,0.2);
  text-underline-offset: 2px;
}
.recaptcha-notice a:hover { color: var(--accent); }

/* Hide the default reCAPTCHA v3 floating badge — we'll show the legal notice inline instead.
   Per Google ToS this is allowed as long as the badge is replaced with text disclosure. */
.grecaptcha-badge { visibility: hidden !important; }

/* ── AI concept visual band (between qfacts and about) ───── */
.ai-band {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr 0.9fr;
  gap: 16px;
  margin: 30px 0 70px;
}
@media (max-width: 980px) { .ai-band { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .ai-band { grid-template-columns: 1fr; } }

.ai-tile {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line);
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  isolation: isolate;
  background: var(--surface);
  transition: transform .3s ease, border-color .3s ease;
}
.ai-tile:hover { transform: translateY(-4px); border-color: var(--accent); }
.ai-tile svg.ai-tile__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.ai-tile__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.ai-tile:nth-child(2) .ai-tile__label { color: var(--accent-2); }
.ai-tile__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 6px;
}
.ai-tile__desc {
  color: var(--text-dim);
  font-size: 13.5px;
  line-height: 1.5;
  max-width: 380px;
}
.ai-tile--feature { min-height: 360px; }
.ai-tile--feature .ai-tile__title { font-size: clamp(26px, 2.4vw, 36px); }

@media (max-width: 640px) {
  .ai-tile { min-height: 240px; padding: 20px; }
}
.qfacts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 60px;
}
@media (max-width: 860px) { .qfacts { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .qfacts { grid-template-columns: 1fr; } }
.qfact {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.qfact::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 2px;
  background: var(--accent);
}
.qfact:nth-child(even)::before { background: var(--accent-2); }
.qfact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-top: 8px;
}
.qfact__value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.qfact__value .strike-old {
  color: var(--text-mute);
  text-decoration: line-through;
  font-size: 16px;
  margin-right: 6px;
  font-weight: 400;
}
.qfact__desc {
  color: var(--text-mute);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 4px;
}

/* ── Quick facts bullet list (sidebar style) ──────────────── */
.qbullets {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}
.qbullets li {
  list-style: none;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text-dim);
}
.qbullets li svg { flex-shrink: 0; margin-top: 3px; color: var(--accent); }

/* ── Lesson accordion (modules) ───────────────────────────── */
.lessons {
  display: grid;
  gap: 12px;
}
.lesson {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color .25s;
}
.lesson:hover { border-color: color-mix(in oklch, var(--accent) 60%, transparent); }
.lesson[open] {
  border-color: var(--accent);
  background: linear-gradient(180deg, color-mix(in oklch, var(--accent) 4%, var(--surface)), var(--surface));
}
.lesson > summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 20px;
  user-select: none;
}
.lesson > summary::-webkit-details-marker { display: none; }
.lesson__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 6px;
  background: color-mix(in oklch, var(--accent) 10%, transparent);
  border: 1px solid color-mix(in oklch, var(--accent) 30%, transparent);
  text-align: center;
}
.lesson:nth-child(even) .lesson__num {
  color: var(--accent-2);
  background: color-mix(in oklch, var(--accent-2) 10%, transparent);
  border-color: color-mix(in oklch, var(--accent-2) 30%, transparent);
}
.lesson__title {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.lesson__title b {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.lesson__title span {
  color: var(--text-mute);
  font-size: 14px;
  line-height: 1.4;
}
.lesson__toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  transition: background .2s, transform .2s;
  flex-shrink: 0;
}
.lesson[open] .lesson__toggle {
  background: var(--accent);
  color: var(--accent-ink);
  transform: rotate(45deg);
}
.lesson__body {
  padding: 0 26px 24px 86px;
}
.lesson__body ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.lesson__body li {
  font-size: 14.5px;
  color: var(--text-dim);
  padding: 8px 0 8px 22px;
  border-top: 1px dashed var(--line);
  position: relative;
}
.lesson__body li:first-child { border-top: 0; }
.lesson__body li::before {
  content: "";
  position: absolute;
  left: 0; top: 16px;
  width: 12px; height: 1px;
  background: var(--accent);
}
.lesson__body li:nth-child(even)::before { background: var(--accent-2); }
.lesson__body em {
  font-family: var(--font-mono);
  font-style: normal;
  color: var(--text-mute);
  font-size: 11px;
  margin-left: 8px;
  letter-spacing: 0.06em;
}
@media (max-width: 720px) {
  .lesson > summary { grid-template-columns: auto 1fr auto; gap: 14px; padding: 18px 20px; }
  .lesson__body { padding: 0 20px 22px; }
  .lesson__title b { font-size: 17px; }
}

/* Accordion-level controls */
.lesson-controls {
  display: flex; gap: 8px;
  margin-bottom: 18px;
}
.lesson-controls button {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text-dim);
  cursor: pointer;
  transition: border-color .2s, color .2s;
}
.lesson-controls button:hover { border-color: var(--accent); color: var(--accent); }

/* ── Old modules grid (kept for fallback) ─────────────────── */
.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.mod {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  transition: transform .25s, border-color .25s;
}
.mod:hover { transform: translateY(-3px); border-color: var(--accent); }
.mod__num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 500;
  letter-spacing: -0.04em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 18px;
}
.mod:nth-child(3n+2) .mod__num { color: var(--accent-2); }
.mod h3 {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.mod p {
  color: var(--text-mute);
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1;
}
.mod__tags {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.mod__tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--text-dim);
}

/* ── Timetable ────────────────────────────────────────────── */
.timetable {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 36px;
  position: relative;
  overflow: hidden;
}
.timetable__bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 28px;
}
@media (max-width: 720px) {
  .timetable__bar { grid-template-columns: 1fr 1fr; }
}
.week {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.week__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.week:nth-child(even) .week__label { color: var(--accent-2); }
.week h4 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.week__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
  border-top: 1px dashed var(--line);
  font-size: 13px;
}
.week__row:first-of-type { border-top: 0; }
.week__row span { color: var(--text-mute); }
.week__row b { font-weight: 500; color: var(--text); font-family: var(--font-mono); font-size: 12px; }
.week__bar {
  margin-top: 16px;
  height: 4px;
  border-radius: 2px;
  background: var(--surface-3);
  overflow: hidden;
  position: relative;
}
.week__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: var(--p, 25%);
  border-radius: 2px;
}

.timetable__foot {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--text-mute);
  display: flex; gap: 14px; align-items: flex-start;
}
.timetable__foot svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }

/* ── Methodology / Why ────────────────────────────────────── */
.method {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}
@media (max-width: 860px) {
  .method { grid-template-columns: 1fr; }
}
.method__list {
  display: grid;
  gap: 12px;
}
.method__item {
  display: flex; align-items: center; gap: 18px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: transform .2s, border-color .2s;
}
.method__item:hover { transform: translateX(4px); border-color: var(--accent); }
.method__item svg { color: var(--accent); flex-shrink: 0; }
.method__item:nth-child(even) svg { color: var(--accent-2); }
.method__item b {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 2px;
}
.method__item span { color: var(--text-mute); font-size: 13.5px; }

/* ── Exam Pass Pledge ──────────────────────────────────────── */
.section--pledge {
  padding-top: 24px;
}
.exam-pledge {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.7fr);
  gap: 28px;
  align-items: center;
  padding: 32px;
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  position: relative;
  overflow: hidden;
}
.exam-pledge::before {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 18%, transparent), transparent 70%);
  pointer-events: none;
}
.exam-pledge__content {
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: 18px;
  position: relative;
  z-index: 1;
}
.exam-pledge__icon {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 16px;
  background: color-mix(in oklch, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in oklch, var(--accent) 30%, var(--line));
}
.exam-pledge__text {
  display: grid;
  gap: 12px;
}
.exam-pledge__text b {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0;
}
.exam-pledge__list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  color: var(--text-mute);
  font-size: 15px;
  line-height: 1.75;
}
.exam-pledge__link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s, color .2s;
}
.exam-pledge__link:hover,
.exam-pledge__link:focus-visible {
  border-color: currentColor;
}
.exam-pledge__media {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 0;
  position: relative;
  z-index: 1;
}
.exam-pledge__image {
  width: 100%;
  max-width: 320px;
  height: auto;
  display: block;
  object-fit: contain;
}

/* Why pill panel */
.why {
  background: linear-gradient(180deg, var(--surface), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 38px;
  position: relative;
  overflow: hidden;
}
.why::before {
  content: ""; position: absolute;
  inset: -1px;
  background: linear-gradient(135deg, var(--accent), transparent 40%, var(--accent-2));
  border-radius: var(--r-xl);
  z-index: -1;
  opacity: 0.4;
  filter: blur(20px);
}
.why h3 {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 22px;
  letter-spacing: -0.025em;
}
.why ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.why li {
  display: flex; align-items: flex-start; gap: 14px;
  font-size: 15.5px;
}
.why li svg { color: var(--accent); flex-shrink: 0; margin-top: 2px; }

/* ── Pricing / CTA strip ──────────────────────────────────── */
.price {
  background:
    radial-gradient(circle at 80% 50%, color-mix(in oklch, var(--accent-2) 30%, transparent), transparent 60%),
    radial-gradient(circle at 20% 50%, color-mix(in oklch, var(--accent) 30%, transparent), transparent 60%),
    var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xl);
  padding: 50px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
@media (max-width: 860px) {
  .price { grid-template-columns: 1fr; padding: 36px; }
}
.price__num {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 110px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 0.95;
  color: var(--accent);
}
.price__num small {
  font-size: 0.35em;
  color: var(--text-mute);
  text-decoration: line-through;
  margin-left: 12px;
  vertical-align: middle;
}
.price__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 10px;
}
.price__sub {
  font-size: 17px;
  color: var(--text-dim);
  margin: 14px 0 0;
}
.price__cta { margin-top: 28px; }

/* ── Enrol form ───────────────────────────────────────────── */
.enrol {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 50px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 720px) {
  .enrol { padding: 30px; }
}
.steps {
  display: flex;
  gap: 16px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.step {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 18px 10px 12px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--text-dim);
}
.step b {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.step--2 b { background: var(--accent-2); color: white; }
.step--3 b { background: transparent; border: 1px solid var(--line-strong); color: var(--text-mute); }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.field input {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  font-size: 15px;
  transition: border-color .2s;
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
}

.batches {
  margin-top: 30px;
}
.batches__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 14px;
}
.batch-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}
@media (max-width: 720px) {
  .batch-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 420px) {
  .batch-grid { grid-template-columns: repeat(2, 1fr); }
}
.batch {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 12px;
  text-align: left;
  cursor: pointer;
  transition: all .2s;
  position: relative;
}
.batch:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.batch.is-selected {
  background: color-mix(in oklch, var(--accent) 14%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}
.batch__month {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  display: block;
  margin-bottom: 4px;
}
.batch__date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.06em;
}
.batch.is-selected .batch__date { color: var(--accent); }

.enrol__submit {
  margin-top: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.enrol__terms { color: var(--text-mute); font-size: 13px; max-width: 380px; }


/* ── Misc utilities ───────────────────────────────────────── */
.divider {
  height: 1px;
  background: var(--line);
  margin: 0 0 50px;
}

/* Page-specific accent override classes (set on <body>) */
body.theme--azure {
  --accent: #c8ff3d;     /* electric lime */
  --accent-2: #ff3aa0;   /* magenta */
  --accent-ink: #0a0712;
}
body.theme--specialist {
  --accent: #ff3aa0;     /* magenta primary */
  --accent-2: #c8ff3d;   /* lime secondary */
  --accent-ink: #ffffff;
}


/* ══════════════════════════════════════════════════════════════
   RESPONSIVE  ·  ACCESSIBILITY  ·  PERFORMANCE
   ══════════════════════════════════════════════════════════════ */

/* ── Skip link (a11y) ─────────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 1000;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-family: var(--font-sans);
  font-size: 14px;
}
.skip-link:focus { left: 8px; outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* ── Focus visible (a11y) ─────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
button:focus-visible, .btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ── Reduced motion (a11y + perf on low-end) ──────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .hero__svg animate,
  .hero__svg animateMotion { display: none; }
  .hero__orb { animation: none; }
  .hero__floater { animation: none; }
}

/* ── Touch target sizing ──────────────────────────────────── */
@media (pointer: coarse) {
  .btn { min-height: 48px; padding: 14px 22px; }
  .batch { min-height: 64px; }
  .field input { min-height: 48px; }
  .rail a { width: 14px; height: 14px; }
}

/* ── Wide desktop / 4K (≥ 1600px) ─────────────────────────── */
@media (min-width: 1600px) {
  .page { max-width: 1400px; padding: 0 48px; }
  .hero__title { font-size: clamp(56px, 5vw, 92px); }
  .section__title { font-size: clamp(40px, 3.5vw, 64px); }
}

/* ── Laptop sweet spot (1100–1399px) ──────────────────────── */
@media (max-width: 1399px) and (min-width: 1100px) {
  .page { padding: 0 36px; }
}

/* ── Tablet (768–1099px) ──────────────────────────────────── */
@media (max-width: 1099px) {
  .page { padding: 0 28px; }
  .hero { gap: 40px; padding: 24px 0 60px; }
  .hero__title { font-size: clamp(40px, 6vw, 64px); }
  .hero__sub { font-size: 16.5px; }
  .hero__meta { gap: 22px; margin-top: 32px; padding-top: 22px; }
  .hero__meta dd { font-size: 20px; }
  .section { padding: 60px 0; }
  .section__head { margin-bottom: 40px; gap: 30px; }
  .section__title { font-size: clamp(28px, 4vw, 44px); }
  .price { padding: 36px; gap: 36px; }
  .enrol { padding: 36px; }
  .timetable { padding: 28px; }
  .why { padding: 28px; }
  .exam-pledge { grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr); }
  .exam-pledge__text b { font-size: 26px; }
  .modules { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
}

/* ── Small tablet / large phone (640–767px) ───────────────── */
@media (max-width: 767px) {
  .page { padding: 0 20px; }
  .hero { padding: 16px 0 40px; gap: 32px; }
  .hero__title { font-size: clamp(36px, 9vw, 48px); }
  .hero__sub { font-size: 16px; margin-top: 20px; }
  .hero__ctas { margin-top: 28px; gap: 10px; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .hero__meta { gap: 16px 24px; margin-top: 32px; padding-top: 22px; }
  .hero__meta > div { flex: 1 1 calc(50% - 12px); min-width: 120px; }
  .hero__meta dd { font-size: 18px; }
  .hero__visual { max-width: 360px; }
  .hero__floater { padding: 10px 14px; font-size: 12px; }
  .hero__floater b { font-size: 16px; }
  .hero__badge { width: 96px; }

  .section { padding: 50px 0; }
  .section__head { margin-bottom: 32px; }
  .section__title { font-size: clamp(26px, 6vw, 34px); }
  .section__desc { font-size: 16px; }
  .section__label { font-size: 11px; }

  .nav {
    padding: 8px 0 14px;
    gap: 12px;
  }
  .nav .hub__head {
    align-items: flex-start;
    justify-content: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
  }
  .nav .hub__head::before {
    width: 18px;
    height: 18px;
    margin-top: 3px;
  }
  .nav .hub__head h1 {
    font-size: 12px;
    text-align: left;
  }
  .nav__logo { height: 44px; }
  .nav__partner { padding: 6px 12px 6px 6px; gap: 10px; font-size: 11px; }
  .nav__partner img { width: 28px; height: 28px; }
  .nav__partner span { display: none; }

  .qfact { padding: 18px 20px; }
  .qfact__value { font-size: 22px; }

  .marquee { gap: 24px 40px; font-size: 11px; padding: 18px 0; }

  .price { padding: 28px 22px; }
  .price__num { font-size: clamp(50px, 14vw, 72px); }
  .price__sub { font-size: 15px; }

  .enrol { padding: 26px 22px; }
  .steps { gap: 8px; margin-bottom: 24px; }
  .step { font-size: 12px; padding: 8px 14px 8px 10px; }
  .step b { width: 22px; height: 22px; font-size: 11px; }

  .timetable { padding: 22px; }
  .week { padding: 18px; }
  .week h4 { font-size: 22px; }

  .why { padding: 26px 22px; }
  .why h3 { font-size: 22px; }
  .section--pledge { padding-top: 10px; }
  .exam-pledge {
    grid-template-columns: 1fr;
    padding: 26px 22px;
    gap: 24px;
  }
  .exam-pledge__content {
    flex-direction: column;
    gap: 16px;
  }
  .exam-pledge__icon {
    width: 48px;
    height: 48px;
  }
  .exam-pledge__text b { font-size: 24px; }
  .exam-pledge__list {
    font-size: 14px;
    line-height: 1.7;
  }
  .exam-pledge__media {
    justify-content: flex-start;
  }
  .exam-pledge__image {
    max-width: 260px;
  }

  .lesson > summary { padding: 16px 18px; gap: 12px; }
  .lesson__title b { font-size: 16px; }
  .lesson__title span { font-size: 13px; }
  .lesson__num { font-size: 10px; padding: 5px 8px; }
  .lesson__toggle { width: 32px; height: 32px; }
  .lesson__body { padding: 0 18px 18px; }
  .lesson__body li { font-size: 13.5px; }

  .enrol__submit { flex-direction: column; align-items: stretch; }
  .enrol__submit > div { display: flex; flex-direction: column; gap: 10px; }
  .enrol__submit .btn { width: 100%; justify-content: center; }

  .price__cta { flex-direction: column; align-items: stretch; }
  .price__cta .btn { width: 100%; justify-content: center; }
}

/* ── Phone (≤ 480px) ──────────────────────────────────────── */
@media (max-width: 480px) {
  .page { padding: 0 16px; }
  .hero__title { font-size: clamp(32px, 9vw, 42px); }
  .hero__eyebrow { gap: 8px; }
  .hero__code { font-size: 11px; padding: 5px 10px; }
  .chip { font-size: 11px; padding: 6px 12px; }

  .hero__visual { max-width: 280px; }
  .hero__floater { padding: 8px 12px; }
  .hero__floater--1 { left: -6%; top: 4%; }
  .hero__floater--2 { left: -4%; bottom: 12%; }
  .hero__floater--3 { right: -4%; top: 16%; }
  .hero__badge { width: 80px; bottom: -4px; right: -4px; }

  .nav__partner { display: none; }
  .exam-pledge {
    padding: 22px 18px;
    gap: 20px;
  }
  .exam-pledge__text b { font-size: 22px; }
  .exam-pledge__list {
    font-size: 13.5px;
    gap: 8px;
  }
  .exam-pledge__media {
    justify-content: center;
  }
  .exam-pledge__image {
    max-width: 220px;
  }

  .section__title { font-size: clamp(24px, 7vw, 30px); }

  .qfacts { gap: 12px; margin-bottom: 40px; }
  .qfact__value { font-size: 20px; }

}

/* ── Tiny phones (≤ 360px) ────────────────────────────────── */
@media (max-width: 360px) {
  .page { padding: 0 14px; }
  .hero__title { font-size: 30px; line-height: 1.08; }
  .hero__meta > div { flex: 1 1 100%; }
  .batch-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Landscape phone (short viewports) ────────────────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .hero { padding: 20px 0 30px; }
  .hero__visual { max-width: 240px; }
}

/* ── High-density / retina image rendering ────────────────── */
img { image-rendering: -webkit-optimize-contrast; }

/* ── Perf: content-visibility on below-fold sections ──────── */
/* Defers off-screen rendering on capable browsers — major paint wins on long pages */
@supports (content-visibility: auto) {
  .section:not(:first-of-type) {
    content-visibility: auto;
    contain-intrinsic-size: 1px 800px;
  }
}

/* ── Print styles (clean PDF if anyone prints the page) ───── */
@media print {
  body { background: #fff !important; color: #000 !important; }
  .atmos, .rail, .jump, .nav__cta, .hero__floater, .hero__orb { display: none !important; }
  .page { max-width: 100%; padding: 0; }
  .nav__logo { filter: none; }
  a { color: #000; text-decoration: underline; }
  .section { page-break-inside: avoid; padding: 20px 0; }
  .price, .enrol, .timetable, .why { background: #fff !important; border: 1px solid #ccc !important; }
}