/* StarLab Academy — aligned to home.png mockup */

:root {
  --cambridge: #b5d4cb;
  --mint: #6ecfc4;
  --mint-deep: #4fb8ad;
  --navy: #3d5a6c;
  --navy-deep: #2c4250;
  --frost: #ffffff;
  --gold: #f5b731;
  --ink: #3d5a6c;
  --muted: #7a93a0;
  --wash: #eef7f4;
  --line: rgba(181, 212, 203, 0.65);

  --font-display: "Noto Serif TC", "Libre Baskerville", serif;
  --font-en: "Libre Baskerville", "Noto Serif TC", serif;
  --font-ui: "Noto Sans TC", sans-serif;

  --max: 1180px;
  --radius: 16px;
  --radius-pill: 999px;
  --shadow-soft: 0 16px 36px rgba(61, 90, 108, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--ink);
  background: var(--frost);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  border: none;
  cursor: pointer;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.45rem;
  border-radius: 14px;
  font-family: var(--font-ui);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--mint);
  color: var(--frost);
  box-shadow: 0 10px 28px rgba(110, 207, 196, 0.35);
}

.btn-primary:hover {
  background: var(--mint-deep);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.35);
  text-decoration: none;
}

.btn-whatsapp:hover {
  background: #1ebe5d;
  color: #fff;
}

.btn-on-mint {
  background: var(--frost);
  color: var(--mint-deep);
}

.btn-on-mint:hover {
  background: #f7fffd;
}

.btn-lg {
  padding: 0.95rem 1.75rem;
}

.btn-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.15;
  gap: 0.15rem;
}

.btn-stack__en {
  font-family: var(--font-en);
  font-size: 0.72em;
  font-weight: 400;
  letter-spacing: 0.04em;
  opacity: 0.95;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(181, 212, 203, 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 4.75rem;
}

.logo img {
  height: 52px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-en);
}

.nav a,
.nav-dropdown__toggle {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--navy);
}

.nav a[aria-current="page"],
.nav a:hover,
.nav-dropdown__toggle:hover,
.nav-dropdown.is-open .nav-dropdown__toggle {
  color: var(--mint-deep);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0;
  border: none;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

.nav-dropdown__toggle::after {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-0.1rem);
  opacity: 0.7;
}

.nav-dropdown__menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 14.5rem;
  padding: 0.7rem 0 0.45rem; /* top padding = hover bridge under the label */
  display: grid;
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.15s ease,
    visibility 0.15s ease;
  transition-delay: 0.28s; /* stay open briefly after hover leaves */
}

/* Solid panel sits below the bridge so the gap doesn't kill hover */
.nav-dropdown__menu::after {
  content: "";
  position: absolute;
  top: 0.7rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--frost);
  border: 1px solid rgba(181, 212, 203, 0.55);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  z-index: -1;
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu,
.nav-dropdown.is-open .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s; /* open immediately */
}

.nav-dropdown__menu a {
  display: block;
  padding: 0.55rem 1rem;
  font-size: 0.86rem;
  font-family: var(--font-ui);
  white-space: nowrap;
  color: var(--navy);
  position: relative;
  z-index: 1;
}

.nav-dropdown__menu a:hover,
.nav-dropdown__menu a[aria-current="page"] {
  background: rgba(110, 207, 196, 0.14);
  color: var(--mint-deep);
}

/* Bilingual course-page spans */
[data-lang-zh],
[data-lang-en] {
  display: none;
}

html:not([data-lang="en"]) [data-lang-zh],
[data-lang="zh"] [data-lang-zh] {
  display: contents;
}

[data-lang="en"] [data-lang-en] {
  display: contents;
}

/* Course detail page */
.course-detail-hero {
  padding: clamp(2.5rem, 5vw, 3.75rem) 0 clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(181, 212, 203, 0.45), transparent 55%),
    linear-gradient(180deg, #f7fbfa 0%, var(--frost) 100%);
}

.course-detail-hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.course-detail-hero__age {
  margin: 0 0 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--mint-deep);
}

.course-detail-hero__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.45rem);
  color: var(--navy-deep);
  font-weight: 700;
  line-height: 1.25;
}

.course-detail-hero__title-en {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-en);
  font-size: 0.55em;
  font-weight: 400;
  font-style: italic;
  color: var(--mint-deep);
}

.course-detail-hero__summary {
  margin: 0 0 1.35rem;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--navy);
  max-width: 34rem;
}

.course-detail-hero__media {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--cambridge);
}

.course-detail-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.course-detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
  min-width: 0;
}

.course-detail-block--fees {
  grid-column: 1;
  min-width: 0;
  max-width: 100%;
}

.course-detail-block--fees .fees-early-until {
  margin: 0 0 0.85rem;
}

.course-detail-block--fees .fees-table-wrap {
  padding: 0.75rem 0.85rem;
  background: var(--frost);
  border: 1.5px solid var(--cambridge);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.course-detail-block h2,
.course-detail-desc h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy-deep);
}

.course-detail-block__lead {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.course-detail__sub {
  margin: 1.25rem 0 0.55rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  color: var(--navy-deep);
}

.course-detail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.course-detail__list li {
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfefd;
  font-size: 0.92rem;
  color: var(--navy);
}

.course-detail__list--inline {
  grid-template-columns: repeat(3, 1fr);
}

.course-detail__session-en {
  display: none;
}

[data-lang="en"] .course-detail__session-zh {
  display: none;
}

[data-lang="en"] .course-detail__session-en {
  display: inline;
}

.course-detail-desc {
  max-width: 44rem;
}

.course-detail-desc p {
  margin: 0 0 1.35rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--navy);
}

.course-row__name a {
  color: inherit;
  text-decoration: none;
}

.course-row__name a:hover {
  color: var(--mint-deep);
}

.header-cta {
  flex-shrink: 0;
  padding: 0.7rem 1.15rem;
  font-size: 0.9rem;
  border-radius: 12px;
  background: var(--mint-deep);
  box-shadow: none;
}

.header-cta:hover {
  background: #3ea89e;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem;
  border: 1px solid var(--cambridge);
  border-radius: 999px;
  background: var(--frost);
}

.lang-toggle button {
  min-width: 2.35rem;
  padding: 0.35rem 0.55rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--navy);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  line-height: 1;
}

.lang-toggle button.is-active {
  background: var(--mint);
  color: var(--frost);
}

.lang-toggle button:hover:not(.is-active) {
  color: var(--mint-deep);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  background: transparent;
  color: var(--navy);
  padding: 0;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.35rem;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-backdrop {
  display: none;
}

/* —— Hero (home.png) —— */
.hero {
  --hero-header: 4.75rem;
  position: relative;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: var(--navy-deep);
  box-sizing: border-box;
  /* Full viewport; pull up under sticky header so media fills the screen */
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  height: 100vh;
  height: 100dvh;
  height: 100svh;
  margin-top: calc(var(--hero-header) * -1);
  padding-top: var(--hero-header);
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #dceee9;
}

.hero__media picture {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Bottom keeps mint wave; slight left bias keeps open copy area */
  object-position: 40% bottom;
}

.hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  /* Left wash for copy + stronger fade to white under the header */
  background:
    linear-gradient(
      180deg,
      #fff 0%,
      rgba(255, 255, 255, 0.92) 10%,
      rgba(255, 255, 255, 0.65) 22%,
      rgba(255, 255, 255, 0.28) 38%,
      rgba(255, 255, 255, 0) 55%
    ),
    linear-gradient(
      100deg,
      rgba(255, 255, 255, 0.82) 0%,
      rgba(255, 255, 255, 0.55) 32%,
      rgba(255, 255, 255, 0.12) 58%,
      rgba(255, 255, 255, 0) 78%
    );
}

.hero__inner {
  position: relative;
  z-index: 2;
  width: min(100% - 2.5rem, var(--max));
  padding: 2.5rem 0 6rem;
  align-self: center;
}

.hero__content {
  max-width: 28rem;
  animation: rise 0.85s ease both;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: 3.35rem;
  font-weight: 700;
  line-height: 1.22;
  color: var(--navy-deep);
  margin: 0 0 0.65rem;
  letter-spacing: 0.01em;
}

.hero__sub {
  font-family: var(--font-en);
  font-size: 1.35rem;
  color: var(--mint-deep);
  margin: 0 0 0.7rem;
  font-weight: 400;
  font-style: italic;
}

.hero__meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin: 0 0 1.25rem;
}

.hero__meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero__enroll {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.25rem;
  border-radius: 12px;
  background: var(--mint-deep);
  color: var(--frost);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.hero__enroll:hover {
  background: var(--navy-deep);
  color: var(--frost);
}

.hero__seal {
  display: block;
  width: 11rem;
  height: auto;
  margin: 0.15rem 0 0;
  animation: rise 1s 0.12s ease both;
  filter: drop-shadow(0 6px 14px rgba(61, 90, 108, 0.14));
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Sections —— */
.section {
  padding: clamp(3.5rem, 7vw, 5.25rem) 0;
  background: var(--frost);
}

/* Tighter gap between Programmes and Why STEM */
#courses {
  padding-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

#philosophy {
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
}

.section--wash {
  background: var(--wash);
}

.section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

/* Lines centred on the Chinese title row only */
.section-head__lined-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 0.35rem;
}

.section-head__lined-row::before,
.section-head__lined-row::after {
  content: "";
  flex: 1 1 0;
  max-width: 9rem;
  height: 1.5px;
  background: var(--mint);
  opacity: 0.85;
}

.section-head__lined-row .section-title {
  flex: 0 1 auto;
  margin: 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  color: var(--navy-deep);
  margin: 0 0 0.35rem;
  font-weight: 700;
}

.section-title-en {
  margin: 0;
  font-family: var(--font-en);
  color: var(--muted);
  font-weight: 400;
  font-size: 1.05rem;
}

.section-title-en--mint {
  color: var(--mint-deep);
}

.section-head__sub {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.02em;
}

#fees .section-head__sub [data-lang-en],
.fees-early-until [data-lang-en] {
  font-family: var(--font-en);
}

.fees-early-until {
  display: inline-block;
  margin: 1rem 0 0;
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-pill);
  background: rgba(110, 207, 196, 0.22);
  color: var(--mint-deep);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

/* —— Courses: 4-up —— */
.course-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.course {
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--frost);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(61, 90, 108, 0.05);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.course:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-3px);
}

.course__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cambridge);
}

.course__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.course__media--left img {
  object-position: center center;
}

.course:hover .course__media img {
  transform: scale(1.04);
}

.course__age {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 2;
  background: var(--mint);
  color: var(--frost);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
}

.course__body {
  padding: 1rem 1.05rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.course__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--navy-deep);
  font-weight: 700;
  line-height: 1.35;
}

.course__name-en {
  display: block;
  margin-top: 0.1rem;
  font-family: var(--font-en);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--mint-deep);
}

.course__desc {
  margin: 0;
  font-size: 0.86rem;
  color: var(--navy);
  line-height: 1.55;
  flex: 1;
}

.course__actions {
  margin-top: 0.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
}

.course__enroll {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  border: none;
  border-radius: 12px;
  background: var(--mint-deep);
  color: var(--frost);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.course__enroll:hover {
  background: var(--navy-deep);
  color: var(--frost);
}

.course__link {
  font-weight: 700;
  color: var(--mint-deep);
  font-size: 0.88rem;
}

.course__link:hover {
  color: var(--navy);
}

/* —— Enrol dialog —— */
.enrol-dialog {
  width: min(34rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--frost);
  color: var(--navy);
  box-shadow: 0 18px 50px rgba(61, 90, 108, 0.22);
  z-index: 80;
}

.enrol-dialog:not([open]) {
  display: none;
}

.enrol-dialog::backdrop {
  background: rgba(45, 68, 82, 0.45);
  backdrop-filter: blur(2px);
}

.enrol-dialog__panel {
  padding: 1.35rem 1.4rem 1.5rem;
  overflow: auto;
  max-height: calc(100vh - 2rem);
}

.enrol-dialog__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.enrol-dialog__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.35;
}

.enrol-dialog__subtitle {
  margin: 0.35rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}

.enrol-dialog__close {
  flex-shrink: 0;
  width: 2.1rem;
  height: 2.1rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--navy);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

.enrol-dialog__close:hover {
  border-color: var(--mint-deep);
  color: var(--mint-deep);
}

.enrol-dialog__section {
  margin: 0 0 1rem;
}

.enrol-dialog__label {
  display: block;
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.enrol-dialog__chips {
  display: grid;
  gap: 0.65rem;
}

.enrol-rank {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-deep);
}

.enrol-rank select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(181, 212, 203, 0.9);
  border-radius: 10px;
  font: inherit;
  font-weight: 500;
  color: var(--navy);
  background: var(--frost);
}

.enrol-rank select:focus {
  outline: 2px solid rgba(110, 207, 196, 0.55);
  border-color: var(--mint);
}

.enrol-dialog__checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.enrol-chip,
.enrol-check {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(181, 212, 203, 0.95);
  border-radius: 999px;
  font-size: 0.86rem;
  cursor: pointer;
  background: #f7fbfa;
}

.enrol-chip:has(input:checked),
.enrol-check:has(input:checked) {
  border-color: var(--mint-deep);
  background: rgba(110, 207, 196, 0.18);
  color: var(--navy-deep);
  font-weight: 600;
}

.enrol-chip input,
.enrol-check input {
  accent-color: var(--mint-deep);
}

.enrol-dialog__discount {
  margin: 0.55rem 0 0;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  background: rgba(245, 183, 49, 0.18);
  color: var(--navy-deep);
  font-size: 0.86rem;
  font-weight: 700;
}

.enrol-dialog__fields {
  display: grid;
  gap: 0.75rem;
}

.enrol-dialog__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.enrol-dialog__fields label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--navy-deep);
}

.enrol-dialog__fields input,
.enrol-dialog__fields textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(181, 212, 203, 0.9);
  border-radius: 10px;
  font: inherit;
  color: var(--navy);
  background: var(--frost);
}

.enrol-dialog__fields input:focus,
.enrol-dialog__fields textarea:focus {
  outline: 2px solid rgba(110, 207, 196, 0.55);
  border-color: var(--mint);
}

.enrol-dialog__fields textarea {
  min-height: 72px;
  resize: vertical;
}

.enrol-dialog__status {
  margin: 0.75rem 0 0;
  font-size: 0.86rem;
  line-height: 1.45;
}

.enrol-dialog__status--error {
  color: #b42318;
}

.enrol-dialog__status--pending {
  color: var(--muted);
}

.enrol-dialog__actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.enrol-dialog__success {
  text-align: center;
  padding: 1.25rem 0.5rem 0.5rem;
}

.enrol-dialog__success h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  color: var(--navy-deep);
}

.enrol-dialog__success p {
  margin: 0 0 1.25rem;
  color: var(--navy);
  line-height: 1.55;
}

.enrol-dialog__success [data-enrol-assigned] {
  margin: 0 0 0.65rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.enrol-dialog__bank {
  text-align: left;
  margin: 0 0 1.25rem;
  padding: 1rem 1.1rem;
  background: color-mix(in srgb, var(--mint) 18%, white);
  border: 1px solid color-mix(in srgb, var(--mint) 45%, transparent);
}

.enrol-dialog__bank-label {
  margin: 0 0 0.5rem !important;
  font-weight: 700;
  color: var(--navy-deep);
  font-size: 0.95rem;
}

.enrol-dialog__bank-details {
  margin: 0;
  white-space: pre-line;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--navy);
}

.enrol-dialog__success-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.65rem;
}

.enrol-dialog__success-actions .btn {
  width: 100%;
}

.enrol-chip__meta {
  display: block;
  margin-top: 0.15rem;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mint-deep);
}

.enrol-chip--waitlist .enrol-chip__meta {
  color: #9a6b00;
}

.availability-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
  font-size: 0.9rem;
  color: var(--navy);
}

.availability-list li {
  padding: 0.45rem 0.7rem;
  border-radius: 10px;
  background: rgba(110, 207, 196, 0.12);
  border: 1px solid rgba(181, 212, 203, 0.55);
}

.contact-form__note--ok {
  color: var(--mint-deep);
  font-weight: 700;
  font-size: 1.15rem;
  text-align: center;
  width: 100%;
  padding: 0.85rem 0.5rem 0.25rem;
  line-height: 1.45;
}

@media (max-width: 560px) {
  .enrol-dialog__row {
    grid-template-columns: 1fr;
  }
}

.courses-cta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2.25rem;
  width: 100%;
  padding: 1.05rem 1.5rem;
  background: var(--mint);
  color: var(--frost);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1.05rem;
  transition: background 0.2s ease;
}

.courses-cta-bar:hover {
  background: var(--mint-deep);
}

/* —— Why STEM —— */
.stem-head {
  max-width: 42rem;
  margin-inline: auto;
  margin-bottom: 2.75rem;
}

.stem-head .section-title-en--mint {
  margin-bottom: 1.15rem;
}

.stem-head__lead {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--navy);
  font-weight: 500;
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  text-align: center;
  max-width: 980px;
  margin-inline: auto;
}

.skill__icon {
  width: 4.25rem;
  height: 4.25rem;
  margin: 0 auto 1rem;
  display: grid;
  place-items: center;
  color: var(--mint-deep);
  background: transparent;
}

.skill__icon i {
  font-size: 2.35rem;
  line-height: 1;
}

.skill__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  color: var(--navy-deep);
  font-weight: 700;
  line-height: 1.4;
}

.skill__title-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--mint-deep);
  font-weight: 400;
  line-height: 1.4;
}

.skill__text {
  margin: 0;
  color: var(--navy);
  font-size: 0.95rem;
  max-width: 16rem;
  margin-inline: auto;
}

/* —— About duo (Cambridge + About copy) —— */
.about-duo {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: center;
  max-width: 1080px;
  margin-inline: auto;
}

.about-duo__card--phd {
  padding: clamp(1.75rem, 3vw, 2.35rem);
  background: var(--frost);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.about-duo__media {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--cambridge);
}

.about-duo__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  display: block;
}

.about-duo__caption {
  margin: 0.85rem 0 0.15rem;
  font-family: var(--font-en);
  font-size: 1.05rem;
  color: var(--mint-deep);
  font-weight: 400;
}

.about-duo__caption-zh {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--navy);
  font-weight: 600;
}

.about-duo__kicker {
  margin: 0 0 0.45rem;
  font-family: var(--font-en);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--mint-deep);
  letter-spacing: 0.04em;
}

.about-duo__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.6vw, 1.95rem);
  color: var(--navy-deep);
  font-weight: 700;
  line-height: 1.3;
}

.about-duo__text {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--navy);
}

.about-duo__mission-label {
  margin: 1.15rem 0 0.35rem;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mint-deep);
}

.about-duo__mission-title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.35;
}

.about-duo__trust {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0.75rem;
}

.about-duo__trust li {
  display: grid;
  gap: 0.15rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--navy);
}

.about-duo__trust strong {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy-deep);
}

.about-profiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  max-width: 1080px;
  margin: clamp(1.5rem, 3vw, 2.25rem) auto 0;
}

.about-profile {
  background: var(--frost);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.35rem, 2.5vw, 1.85rem);
}

.about-profile__head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.about-profile__avatar {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--cambridge);
  background: var(--cambridge);
}

.about-profile__name {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.3;
}

.about-profile__name-en {
  margin: 0;
  font-family: var(--font-en);
  font-size: 0.95rem;
  color: var(--mint-deep);
  font-weight: 400;
  line-height: 1.35;
}

.about-profile__creds {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.38rem;
}

.about-profile__creds li {
  position: relative;
  padding-left: 1.05rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--navy);
}

.about-profile__creds li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: var(--mint);
}

/* —— Course fees —— */
.fees-stack {
  display: grid;
  gap: 0.35rem;
  max-width: 800px;
  width: 100%;
  min-width: 0;
  margin-inline: auto;
}

.fees-card {
  display: grid;
  grid-template-columns: minmax(9.25rem, 10.75rem) 1fr;
  min-width: 0;
  max-width: 100%;
  background: var(--frost);
  border: 1.5px solid var(--cambridge);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.fees-card__side {
  padding: clamp(1.25rem, 2.5vw, 1.75rem) 1.15rem clamp(1.25rem, 2.5vw, 1.75rem) clamp(1.25rem, 2.4vw, 1.75rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.15rem;
}

.fees-panel [data-lang-zh],
.fees-panel [data-lang-en] {
  display: none;
}

html:not([data-lang="en"]) .fees-panel [data-lang-zh],
[data-lang="zh"] .fees-panel [data-lang-zh],
[data-lang="en"] .fees-panel [data-lang-en] {
  display: block;
}

.fees-zh {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.35;
}

.fees-en {
  font-family: var(--font-en);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.35;
}

.fees-course {
  display: grid;
  justify-items: start;
  gap: 0.15rem;
}

.fees-course__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.3;
}

.fees-course__name-en {
  margin: 0 0 0.35rem;
  font-family: var(--font-en);
  font-size: 0.88rem;
  font-weight: 400;
  color: var(--mint-deep);
  line-height: 1.3;
}

.fees-age {
  display: inline-flex;
  align-items: center;
  background: var(--mint);
  color: var(--frost);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.22rem 0.7rem;
  border-radius: var(--radius-pill);
}

.fees-table-wrap {
  min-width: 0;
  max-width: 100%;
  padding: 0.75rem 0.75rem 0.85rem 0.2rem;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.fees-table {
  width: max(100%, 34rem);
  border-collapse: separate;
  border-spacing: 0;
}

.fees-table th,
.fees-table td {
  padding: 0.7rem 0.4rem;
  text-align: center;
  vertical-align: middle;
  font-family: var(--font-en);
  font-size: 0.98rem;
  font-weight: 400;
  color: var(--navy-deep);
}

.fees-table thead th {
  padding-top: 0.85rem;
  padding-bottom: 0.55rem;
  color: var(--navy-deep);
}

.fees-table thead .fees-zh,
.fees-table thead .fees-en {
  color: var(--navy-deep);
}

.fees-table th:first-child,
.fees-table td:first-child {
  width: 1%;
  white-space: nowrap;
  text-align: left;
  padding-left: 0.15rem;
  padding-right: 0.15rem;
  font-weight: 600;
}

.fees-table th:nth-child(2),
.fees-table td:nth-child(2) {
  padding-left: 0.15rem;
}

.fees-table tbody th:first-child .fees-zh {
  font-weight: 600;
}

.fees-col--early {
  color: var(--mint-deep);
  border-left: 2px solid var(--mint);
  border-right: 2px solid var(--mint);
}

.fees-table thead .fees-col--early {
  font-size: inherit;
  font-weight: 400;
  color: var(--navy-deep);
  border-top: 2px solid var(--mint);
  border-radius: 16px 16px 0 0;
}

.fees-table tbody tr:last-child .fees-col--early {
  border-bottom: 2px solid var(--mint);
  border-radius: 0 0 16px 16px;
}

.fees-table tbody .fees-col--early {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--mint-deep);
}

.fees-save {
  color: var(--mint-deep);
}

.fees-table tbody .fees-save .fees-zh,
.fees-table tbody .fees-save .fees-en {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--mint-deep);
}

.fees-table tbody .fees-save .fees-zh,
.fees-table tbody .fees-save .fees-en,
.fees-table tbody .fees-col--early .fees-zh,
.fees-table tbody .fees-col--early .fees-en {
  color: var(--mint-deep);
}

.fees-star {
  width: 0.85rem;
  height: 0.85rem;
  margin: 0.55rem 0 0.55rem 2.75rem;
  background: var(--gold);
  clip-path: polygon(50% 0%, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0% 50%, 38% 38%);
}

/* —— Weekly timetable —— */
.timetable-wrap {
  max-width: 1080px;
  margin-inline: auto;
  background: var(--frost);
  border: 1.5px solid var(--cambridge);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.timetable {
  width: 100%;
  min-width: 54rem;
  border-collapse: collapse;
  table-layout: fixed;
}

.timetable th,
.timetable td {
  border: 1px solid rgba(61, 90, 108, 0.12);
  padding: 0.4rem 0.28rem;
  text-align: center;
  vertical-align: middle;
}

.timetable thead th {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--navy-deep);
  background: var(--frost);
  padding: 0.7rem 0.25rem;
}

.timetable .tt-en {
  display: block;
  margin-top: 0.12rem;
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--mint-deep);
}

.timetable__time {
  width: 6.4rem;
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
  background: #f7faf9;
}

.timetable td {
  background: #f3f6f6;
}

.tt-class {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.08rem;
  min-height: 4.5rem;
  padding: 0.4rem 0.25rem;
  border-radius: 10px;
  color: var(--navy-deep);
  line-height: 1.25;
}

.tt-class:hover {
  filter: brightness(0.97);
}

.tt-class__zh {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
}

.tt-class__en {
  font-family: var(--font-en);
  font-size: 0.66rem;
  font-weight: 400;
}

.tt-class__age {
  font-family: var(--font-ui);
  font-size: 0.62rem;
  font-weight: 500;
  opacity: 0.8;
}

.tt-class--explorers {
  background: #d8efd4;
}

.tt-class--makers {
  background: #f7d5e4;
}

.tt-class--robotics {
  background: #d4e7f8;
}

.tt-class--careers1 {
  background: #f8efb8;
}

.tt-class--careers2 {
  background: #f6d7b8;
}

/* —— Promo / early bird —— */
.promo {
  position: relative;
  background: linear-gradient(135deg, #6ecfc4 0%, #5ec4b9 50%, #4fb8ad 100%);
  color: var(--frost);
  padding: clamp(3rem, 6vw, 4.25rem) 0;
  overflow: hidden;
}

.promo::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.14;
  background-image:
    radial-gradient(circle at 18% 30%, #fff 1.5px, transparent 2px),
    radial-gradient(circle at 72% 55%, #fff 1.5px, transparent 2px),
    radial-gradient(circle at 40% 75%, #fff 1px, transparent 1.5px),
    radial-gradient(circle at 85% 20%, #fff 1px, transparent 1.5px);
  background-size: 120px 120px, 160px 160px, 90px 90px, 140px 140px;
  pointer-events: none;
}

.promo__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  text-align: center;
}

.promo__badge {
  width: 6.5rem;
  height: 6.5rem;
  border-radius: 50%;
  background: var(--frost);
  color: var(--mint-deep);
  display: grid;
  place-content: center;
  box-shadow: 0 10px 30px rgba(45, 90, 85, 0.18);
  flex-shrink: 0;
}

.promo__off {
  font-family: var(--font-en);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
}

.promo__off-label {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.promo__title {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 700;
  margin: 0 0 1.15rem;
}

.promo__cta {
  box-shadow: 0 8px 24px rgba(45, 90, 85, 0.15);
}

.promo__cta-mark {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.promo__cta .btn-stack {
  color: var(--mint-deep);
}

.promo__cta .btn-stack__en {
  opacity: 0.85;
}

/* —— Footer —— */
.site-footer {
  position: relative;
  background: var(--navy);
  padding: 0 0 1.35rem;
  color: #e8f5f2;
}

.footer-wave {
  height: 56px;
  background: var(--mint);
  clip-path: ellipse(70% 100% at 50% 0%);
  margin-bottom: 1.75rem;
  opacity: 0.85;
}

.footer-bar {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr 1fr;
  gap: 1.5rem;
  align-items: center;
  padding-bottom: 1.5rem;
}

.footer-logo img {
  height: 56px;
  width: auto;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.5rem;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--mint-deep);
}

.footer-address {
  margin: 0;
  text-align: right;
  font-size: 0.9rem;
  color: var(--navy);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(232, 245, 242, 0.65);
}

/* —— Responsive —— */
@media (max-width: 1100px) {
  .course-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--frost);
    padding: 0.35rem 1.25rem 1.25rem;
    border-bottom: 1px solid rgba(181, 212, 203, 0.45);
    box-shadow: var(--shadow-soft);
    z-index: 60;
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 45;
    background: rgba(45, 68, 82, 0.35);
    border: none;
    padding: 0;
    cursor: pointer;
  }

  .nav-backdrop[hidden] {
    display: none;
  }

  body.nav-is-open {
    overflow: hidden;
  }

  .nav.is-open > a,
  .nav.is-open .nav-dropdown__toggle {
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(181, 212, 203, 0.25);
    width: 100%;
    justify-content: space-between;
  }

  .nav-dropdown__menu {
    position: static;
    transform: none;
    min-width: 0;
    padding: 0 0 0.35rem 0.75rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: none;
    display: none;
  }

  .nav-dropdown__menu::after {
    display: none;
  }

  .nav-dropdown:hover .nav-dropdown__menu {
    display: none;
  }

  .nav-dropdown.is-open .nav-dropdown__menu {
    display: grid;
  }

  .nav-dropdown__menu a {
    padding: 0.65rem 0;
    border-bottom: 1px solid rgba(181, 212, 203, 0.18);
    white-space: normal;
  }

  .course-detail-hero__grid,
  .course-detail-grid,
  .course-detail__list--inline {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .site-header__inner {
    position: relative;
  }

  /* Tablet: keep desktop left-aligned copy (mobile art swaps at 720px) */
  .hero {
    --hero-header: 4.5rem;
  }

  .skills {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bar {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  .footer-address {
    text-align: center;
  }
}

/* Match <picture media="(max-width: 720px)"> — centered copy + mobile hero art */
@media (max-width: 720px) {
  .hero {
    --hero-header: 4.5rem;
    /* Fill the screen (pull under sticky header like desktop) */
    min-height: 100vh;
    min-height: 100dvh;
    min-height: 100svh;
    height: 100vh;
    height: 100dvh;
    height: 100svh;
    margin-top: calc(var(--hero-header) * -1);
    padding-top: var(--hero-header);
    align-items: start;
  }

  .hero__media img {
    object-position: center bottom;
  }

  .hero__veil {
    background: linear-gradient(
      180deg,
      #fff 0%,
      rgba(255, 255, 255, 0.95) 12%,
      rgba(255, 255, 255, 0.72) 28%,
      rgba(255, 255, 255, 0.32) 45%,
      rgba(255, 255, 255, 0) 62%
    );
  }

  .hero__inner {
    width: min(100% - 2rem, var(--max));
    margin-inline: auto;
    /* Above the children, lower under the header */
    padding: 3.5rem 0 0;
    display: flex;
    justify-content: center;
    align-self: start;
  }

  .hero__content {
    max-width: 22rem;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__meta-row {
    justify-content: center;
  }

  .hero__seal {
    width: 9.25rem;
    margin-inline: auto;
  }
}

@media (max-width: 640px) {
  .course-grid {
    grid-template-columns: 1fr;
  }

  .promo__inner {
    flex-direction: column;
  }
}

/* —— Inner page hero —— */
.page-hero {
  position: relative;
  padding: clamp(3.5rem, 8vw, 5.5rem) 0 clamp(4.5rem, 9vw, 6.5rem);
  overflow: hidden;
  background: linear-gradient(180deg, #f4faf8 0%, #ffffff 70%);
}

.page-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2.5rem;
  align-items: center;
}

.page-hero__kicker {
  margin: 0 0 0.5rem;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--mint-deep);
}

.page-hero__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--navy-deep);
  font-weight: 700;
  line-height: 1.2;
}

.page-hero__title-en {
  margin: 0 0 1.1rem;
  font-family: var(--font-en);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  color: var(--navy);
  font-weight: 400;
}

.page-hero__lead {
  margin: 0;
  max-width: 32rem;
  color: var(--navy);
  font-size: 1.02rem;
}

.page-hero__media {
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  box-shadow: var(--shadow-soft);
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}

.page-hero--center {
  text-align: center;
  padding-bottom: clamp(3.5rem, 7vw, 5rem);
}

.page-hero--center .page-hero__lead {
  margin-inline: auto;
}

.page-hero__deco {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1.75rem;
  color: var(--mint);
  opacity: 0.7;
}

.page-hero__deco svg {
  width: 2rem;
  height: 2rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.wave-divider {
  height: 64px;
  margin-top: -1px;
  background: var(--frost);
  clip-path: ellipse(55% 100% at 50% 100%);
  background: linear-gradient(180deg, transparent, var(--frost));
}

/* —— About + philosophy (merged) —— */
#philosophy,
#timetable {
  scroll-margin-top: 5.5rem;
}

.phil-lead {
  margin: 0.75rem auto 0;
  max-width: 36rem;
  text-align: center;
  color: var(--navy);
}

.phil-stem-title {
  font-size: clamp(1.45rem, 2.5vw, 1.85rem);
}

/* —— Mission / trust on about —— */
.mission {
  text-align: center;
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}

.mission__label {
  margin: 0 0 0.5rem;
  color: var(--mint-deep);
  font-weight: 700;
}

.mission__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.1rem);
  color: var(--navy-deep);
}

.mission__text {
  margin: 0 auto 2.5rem;
  max-width: 40rem;
  color: var(--navy);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  text-align: center;
  margin-top: 2.5rem;
}

.trust-card__icon {
  width: 3.75rem;
  height: 3.75rem;
  margin: 0 auto 0.85rem;
  border-radius: 50%;
  background: rgba(110, 207, 196, 0.18);
  color: var(--mint-deep);
  display: grid;
  place-items: center;
}

.trust-card__icon svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.trust-card__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy-deep);
}

.trust-card__text {
  margin: 0;
  font-size: 0.92rem;
  color: var(--navy);
}

/* —— Course detail rows —— */
.course-rows {
  display: grid;
  gap: 1.5rem;
}

.course-row {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--frost);
  box-shadow: 0 8px 24px rgba(61, 90, 108, 0.04);
}

.course-row__media {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 16 / 11;
  background: var(--cambridge);
}

.course-row__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-row__media.course__media--left img {
  object-position: center center;
}

.course-row__age {
  display: inline-block;
  margin: 0.35rem 0 0.65rem;
  background: var(--mint);
  color: var(--frost);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-pill);
}

.course-row__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--navy-deep);
}

.course-row__name-en {
  display: block;
  margin-top: 0.15rem;
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--mint-deep);
  font-weight: 400;
}

.course-row__desc {
  margin: 0;
  color: var(--navy);
  font-size: 0.95rem;
}

.course-row__cta {
  white-space: nowrap;
  cursor: pointer;
  font: inherit;
}

/* —— Courses overview timeline —— */
.overview-timeline {
  --rail: 7.25rem;
  position: relative;
  display: grid;
  gap: 2.5rem;
}

.overview-timeline::before {
  content: "";
  position: absolute;
  left: calc(var(--rail) / 2);
  top: 0.95rem;
  bottom: 0.95rem;
  width: 2px;
  background: #c5d0d5;
  transform: translateX(-50%);
  z-index: 0;
}

.overview-stage {
  display: grid;
  grid-template-columns: var(--rail) 1fr;
  gap: 0.75rem 1.5rem;
  align-items: start;
  position: relative;
  z-index: 1;
}

.overview-rail {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.overview-age {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--mint);
  color: var(--frost);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  white-space: nowrap;
  box-shadow: 0 0 0 5px var(--frost);
}

.overview-stage__cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.overview-stage__cards .course {
  min-width: 0;
  height: 100%;
}

.photo-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 2.5rem 0 0;
}

.photo-strip img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.cta-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  background: var(--mint);
  color: var(--frost);
  padding: 1.75rem 2rem;
  border-radius: var(--radius);
}

.cta-inline__title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.cta-inline__text {
  margin: 0;
  opacity: 0.95;
}

/* —— Contact footer form —— */
.site-footer {
  background: var(--navy);
  padding: 0 0 1.35rem;
  color: #e8f5f2;
}

.contact-block {
  background: var(--frost);
  border-top: 1px solid rgba(181, 212, 203, 0.55);
  padding: clamp(2.75rem, 6vw, 4rem) 0 2.5rem;
  color: var(--navy);
}

.contact-block__grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-block__copy {
  text-align: center;
}

.contact-block__lined-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 0.35rem;
}

.contact-block__lined-row::before,
.contact-block__lined-row::after {
  content: "";
  flex: 1 1 0;
  max-width: 5.5rem;
  height: 1.5px;
  background: var(--mint);
  opacity: 0.85;
}

.contact-block__title {
  flex: 0 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: var(--navy-deep);
  line-height: 1.2;
}

.contact-block__title-en {
  margin: 0 0 1.15rem;
  font-family: var(--font-en);
  font-size: 1.05rem;
  font-weight: 400;
  color: var(--mint-deep);
}

.contact-block__lead {
  margin: 0 0 1.5rem;
  color: var(--navy);
  text-align: center;
  display: grid;
  gap: 0.65rem;
}

.contact-block__copy .contact-details {
  justify-items: center;
}

.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.contact-details a {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.55rem;
  color: var(--navy);
  line-height: 1.4;
  text-align: left;
}

.contact-details a:hover {
  color: var(--mint-deep);
}

.contact-details i {
  width: 1.15rem;
  margin-top: 0.15rem;
  text-align: center;
  color: var(--mint-deep);
  flex-shrink: 0;
  font-size: 1.05rem;
}

.contact-details a:hover i {
  color: var(--mint);
}

.contact-form {
  display: grid;
  gap: 0.85rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfefd;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy-deep);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(181, 212, 203, 0.9);
  border-radius: 10px;
  font: inherit;
  color: var(--navy);
  background: var(--frost);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 2px solid rgba(110, 207, 196, 0.55);
  border-color: var(--mint);
}

.contact-form textarea {
  min-height: 110px;
  resize: vertical;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.contact-form__note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.footer-meta {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.35fr;
  gap: 1.5rem;
  padding: 2.25rem 0 1.5rem;
  color: #e8f5f2;
}

.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  font-size: 0.9rem;
}

.footer-contact a {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: #e8f5f2;
  line-height: 1.4;
}

.footer-contact a:hover {
  color: var(--gold);
}

.footer-contact i {
  width: 1.1rem;
  margin-top: 0.15rem;
  text-align: center;
  color: var(--cambridge);
  flex-shrink: 0;
}

.footer-contact a:hover i {
  color: var(--gold);
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.15rem;
}

.footer-socials a {
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(181, 212, 203, 0.45);
  border-radius: 50%;
  color: #e8f5f2;
}

.footer-socials a i {
  width: auto;
  margin: 0;
  font-size: 1rem;
  color: inherit;
}

.footer-socials a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.footer-meta__brand p {
  margin: 0.65rem 0 0;
  font-size: 0.88rem;
  color: rgba(232, 245, 242, 0.72);
  max-width: 16rem;
}

.footer-meta__brand img {
  height: 52px;
  width: auto;
  /* Light lockup reads on dark teal */
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.footer-meta h3 {
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--cambridge);
  font-weight: 700;
}

.footer-meta ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.footer-meta a {
  color: #e8f5f2;
}

.footer-meta a:hover {
  color: var(--gold);
}

.socials {
  display: flex;
  gap: 0.55rem;
}

.socials a {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  border: 1px solid rgba(181, 212, 203, 0.45);
  color: #e8f5f2;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  font-weight: 700;
}

.socials a:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.socials a:hover {
  background: var(--mint);
  color: var(--frost);
  border-color: var(--mint);
}

@media (max-width: 960px) {
  .page-hero__grid,
  .course-row,
  .overview-stage__cards {
    grid-template-columns: 1fr;
  }

  .overview-timeline {
    --rail: 2.2rem;
  }

  .overview-timeline::before {
    left: calc(var(--rail) / 2);
    top: 0.5rem;
    bottom: 0.5rem;
  }

  .overview-rail {
    justify-content: center;
  }

  .overview-age {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    padding: 0.7rem 0.35rem;
    font-size: 0.72rem;
    white-space: nowrap;
  }

  .contact-block__grid,
  .footer-meta,
  .trust-grid,
  .about-duo,
  .about-profiles {
    grid-template-columns: 1fr;
  }

  .fees-card {
    grid-template-columns: 1fr;
  }

  .fees-card__side {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: start;
    gap: 1.25rem 1.75rem;
    border-bottom: 1px solid var(--line);
  }

  .fees-table-wrap {
    padding: 0.5rem 0.75rem 0.85rem;
  }

  .fees-star {
    margin-left: 1.25rem;
  }

  .course-row__cta {
    justify-self: start;
  }

  .photo-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-form__row {
    grid-template-columns: 1fr;
  }

  .cta-inline {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .fees-table th,
  .fees-table td {
    font-size: 0.88rem;
    padding: 0.55rem 0.4rem;
  }

  .fees-table tbody .fees-col--early {
    font-size: 1.2rem;
  }

  .fees-table tbody .fees-save .fees-zh {
    font-size: 1.05rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}