:root {
  --navy-950: #142844;
  --navy-900: #264668;
  --navy-800: #4d6f93;
  --sky-100: #eef3f9;
  --sky-200: #dfe7f1;
  --sky-300: #c9d6e6;
  --orange-500: #c58a52;
  --orange-400: #dbb286;
  --cream-100: #fbf7f1;
  --cream-200: #f3eadf;
  --mint-100: #ecf5ef;
  --ink-900: #24354d;
  --ink-700: #5c6c82;
  --white: #ffffff;
  --shadow-soft: 0 24px 60px rgba(23, 40, 68, 0.1);
  --shadow-card: 0 16px 36px rgba(23, 40, 68, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --container: min(1160px, calc(100vw - 2rem));
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--ink-900);
  background:
    radial-gradient(circle at top left, rgba(197, 138, 82, 0.18), transparent 26%),
    radial-gradient(circle at top right, rgba(201, 214, 230, 0.82), transparent 24%),
    linear-gradient(180deg, #fcfaf7 0%, #f5f8fc 45%, #faf6ef 100%);
  line-height: 1.6;
}

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

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

button,
input,
textarea,
select {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 50;
  padding: 0.75rem 1rem;
  background: var(--navy-950);
  color: var(--white);
  border-radius: 999px;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 5.5rem 0;
}

.section--soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(236, 245, 239, 0.52));
}

.section--contrast {
  background:
    radial-gradient(circle at 15% 15%, rgba(255, 255, 255, 0.14), transparent 22%),
    linear-gradient(135deg, #183152, #244668 52%, #32587a 100%);
  color: var(--white);
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 0.85rem 0;
  backdrop-filter: blur(16px);
  background: rgba(251, 248, 244, 0.82);
  border-bottom: 1px solid rgba(36, 53, 77, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 2vw, 1.8rem);
}

.brand {
  flex: 0 0 auto;
  position: relative;
  width: clamp(190px, 17vw, 252px);
  height: clamp(54px, 4.8vw, 74px);
  overflow: hidden;
}

.brand img {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  max-width: none;
  height: auto;
  transform: translate(-50%, -50%) scale(1.58);
  transform-origin: center;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 1 auto;
  gap: clamp(1rem, 1.6vw, 1.35rem);
  margin-inline: auto;
  font-weight: 700;
  color: var(--ink-900);
}

.site-nav a {
  position: relative;
  padding: 0.35rem 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 -0.15rem;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  border-radius: 999px;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 16px;
  background: rgba(16, 53, 122, 0.08);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--navy-900);
  border-radius: 999px;
  transition: transform var(--transition), opacity var(--transition);
}

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

.header-button {
  white-space: nowrap;
}

.header-phone {
  display: inline-flex;
  flex-direction: column;
  gap: 0.12rem;
  padding: 0.7rem 1rem;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(77, 111, 147, 0.09), rgba(255, 255, 255, 0.72));
  border: 1px solid rgba(36, 53, 77, 0.1);
  box-shadow: 0 10px 24px rgba(23, 40, 68, 0.08);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.header-phone:hover,
.header-phone:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(23, 40, 68, 0.12);
}

.header-phone__label {
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy-800);
}

.header-phone strong {
  font-size: 1rem;
  line-height: 1.1;
  color: var(--navy-950);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.8rem 1.4rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--orange-500), #d09b65);
  color: var(--white);
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(197, 138, 82, 0.24);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(197, 138, 82, 0.28);
}

.button--secondary {
  background: var(--white);
  color: var(--navy-900);
  box-shadow: 0 14px 30px rgba(13, 45, 102, 0.12);
}

.button--small {
  min-height: 46px;
  padding-inline: 1.15rem;
  font-size: 0.95rem;
}

.button--disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.75;
  transform: none;
  box-shadow: none;
}

.hero {
  padding-top: 3rem;
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 18%, rgba(197, 138, 82, 0.28), transparent 19%),
    radial-gradient(circle at 80% 12%, rgba(201, 214, 230, 0.95), transparent 26%),
    radial-gradient(circle at 82% 46%, rgba(77, 111, 147, 0.12), transparent 15%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  color: var(--navy-800);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Fraunces", serif;
  line-height: 1.04;
}

h1 {
  font-size: clamp(2.7rem, 5vw, 4.8rem);
  max-width: 10ch;
  color: var(--navy-950);
}

h2 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 1rem;
  color: inherit;
}

h3 {
  font-size: 1.6rem;
}

.hero-lead,
.section-heading p:last-child {
  max-width: 62ch;
  font-size: 1.06rem;
  color: var(--ink-700);
}

.hero-copy {
  display: grid;
  align-content: start;
  gap: 1rem;
  width: 100%;
}

.hero-copy-card {
  display: grid;
  gap: 1.5rem;
  width: 100%;
  max-width: none;
  padding: clamp(1.8rem, 3vw, 2.75rem);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.52));
  border: 1px solid rgba(36, 53, 77, 0.08);
  box-shadow: 0 18px 40px rgba(23, 40, 68, 0.06);
  backdrop-filter: blur(10px);
}

.hero-copy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}

.hero-copy-text {
  display: grid;
  gap: 1.25rem;
}

.hero-illustration {
  display: grid;
  place-items: center;
  padding: 1rem;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(243, 234, 223, 0.8), rgba(238, 243, 249, 0.9));
  border: 1px solid rgba(36, 53, 77, 0.08);
}

.hero-illustration img {
  width: min(100%, 260px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 26px rgba(23, 40, 68, 0.14));
}

.section--contrast .eyebrow,
.section--contrast .section-heading p {
  color: rgba(255, 255, 255, 0.82);
}

.section-heading {
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 0.2rem 0;
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  padding: 0;
  margin: 0.2rem 0 0;
  list-style: none;
}

.hero-highlights li {
  display: grid;
  gap: 0.15rem;
  padding: 0.95rem 1rem;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(36, 53, 77, 0.08);
  box-shadow: 0 10px 24px rgba(23, 40, 68, 0.06);
}

.hero-highlights strong {
  color: var(--navy-950);
  font-size: 0.98rem;
}

.hero-highlights span {
  color: var(--ink-700);
  font-size: 0.95rem;
}

.signup-tags span,
.pricing-top span,
.inline-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(16, 53, 122, 0.08);
  box-shadow: 0 10px 24px rgba(18, 45, 96, 0.08);
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 620px;
}

.hero-visual-backdrop {
  position: absolute;
  inset: 2.5rem 0 1.5rem 6%;
  border-radius: 44px;
  background:
    radial-gradient(circle at 15% 18%, rgba(197, 138, 82, 0.16), transparent 22%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.62), rgba(238, 243, 249, 0.92));
  border: 1px solid rgba(36, 53, 77, 0.08);
}

.hero-gallery {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(168px, 0.34fr) minmax(0, 0.66fr);
  gap: 1rem;
  align-items: center;
  min-height: inherit;
}

.hero-side-stack {
  display: grid;
  gap: 1rem;
}

.hero-side-card,
.hero-primary-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(36, 53, 77, 0.08);
  box-shadow: var(--shadow-card);
}

.hero-side-card {
  display: grid;
  gap: 0.95rem;
  padding: 1rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
}

.hero-side-card img {
  width: min(100%, 132px);
  margin: 0 auto;
}

.hero-side-card p,
.hero-primary-card__footer p {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy-800);
}

.hero-side-card strong,
.hero-primary-card__footer strong {
  display: block;
  margin-top: 0.28rem;
  font-size: 1.06rem;
  line-height: 1.28;
  color: var(--navy-950);
}

.hero-primary-card {
  display: grid;
  align-content: space-between;
  min-height: 540px;
  padding: 1.35rem;
  border-radius: 34px;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.86), transparent 40%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(238, 243, 249, 0.94));
  animation: float 5.2s ease-in-out infinite;
}

.hero-primary-card::after {
  content: "";
  position: absolute;
  right: -3rem;
  bottom: -3rem;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(197, 138, 82, 0.18), transparent 70%);
}

.hero-primary-card__badge {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(36, 53, 77, 0.08);
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--navy-900);
}

.hero-primary-card__image {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  padding: 0.75rem 1rem;
}

.hero-primary-card__image img {
  width: min(100%, 380px);
  height: auto;
  object-fit: contain;
}

.hero-primary-card__footer {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(36, 53, 77, 0.08);
}

.about-grid,
.values-grid,
.course-grid,
.pricing-grid,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-card,
.value-card,
.course-card,
.cambridge-card,
.price-card,
.contact-card,
.map-card,
.discount-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(16, 53, 122, 0.08);
  box-shadow: var(--shadow-card);
}

.about-card,
.value-card,
.course-card,
.cambridge-card,
.price-card,
.contact-card,
.discount-card {
  padding: 1.6rem;
}

.card-kicker,
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 34px;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  background: var(--sky-100);
  color: var(--navy-900);
  font-size: 0.84rem;
  font-weight: 800;
}

.about-card p,
.value-card p,
.course-card p,
.cambridge-card p,
.price-card li,
.contact-card p,
.discount-card p {
  color: var(--ink-700);
}

.values-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.value-card::before,
.course-card::before,
.price-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--orange-500), var(--navy-800));
}

.section--contrast .course-tab {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.82);
}

.course-switch {
  display: inline-flex;
  gap: 0.75rem;
  padding: 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  margin-bottom: 1.6rem;
}

.course-tab {
  min-width: 140px;
  min-height: 52px;
  padding: 0.75rem 1.3rem;
  border: 0;
  border-radius: 999px;
  background: rgba(16, 53, 122, 0.08);
  color: var(--navy-900);
  font-weight: 800;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.course-tab:hover,
.course-tab:focus-visible {
  transform: translateY(-1px);
}

.course-tab.is-active {
  background: linear-gradient(135deg, var(--orange-500), #ff9f43);
  color: var(--white);
}

.course-panel {
  display: grid;
  gap: 1.5rem;
}

.course-panel[hidden] {
  display: none;
}

.course-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.course-grid--math {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card {
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 250, 255, 0.92));
  color: var(--ink-900);
}

.course-card--accent {
  background: linear-gradient(180deg, rgba(255, 246, 235, 0.98), rgba(255, 255, 255, 0.96));
}

.course-card--visual .course-media {
  width: 152px;
  height: 152px;
  margin-bottom: 0.9rem;
  padding: 0.9rem;
  border-radius: 24px;
  background: linear-gradient(180deg, var(--cream-100), var(--sky-100));
}

.course-media img,
.cambridge-illustration img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.course-card--visual .course-media--double {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  height: auto;
  padding: 0;
  background: transparent;
  gap: 0.75rem;
}

.course-media__item {
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  padding: 0.75rem;
  border-radius: 20px;
  background: linear-gradient(180deg, var(--cream-100), var(--sky-100));
}

.course-head {
  margin-bottom: 1rem;
}

.course-head p {
  margin: 0.5rem 0 0;
  font-weight: 700;
}

.course-head h3,
.course-card li,
.course-split strong,
.cambridge-card h3,
.cambridge-card li {
  color: var(--ink-900);
}

.course-card ul,
.price-card ul,
.contact-list,
.inline-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.course-card ul,
.price-card ul {
  display: grid;
  gap: 0.7rem;
}

.course-card li,
.price-card li,
.contact-list li {
  position: relative;
  padding-left: 1.25rem;
}

.course-card li::before,
.price-card li::before,
.contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange-500);
}

.course-split {
  display: grid;
  gap: 0.9rem;
}

.course-split div {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(16, 53, 122, 0.05);
}

.cambridge-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  align-items: center;
  background: linear-gradient(135deg, rgba(255, 250, 242, 0.98), rgba(255, 255, 255, 0.96));
  color: var(--ink-900);
}

.cambridge-illustration {
  padding: 1rem;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(195, 227, 255, 0.45), rgba(255, 255, 255, 0.72));
}

.inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.pricing-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.25rem;
}

.pricing-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.price-card {
  height: 100%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 250, 255, 0.92));
}

.price-card--featured {
  background: linear-gradient(180deg, rgba(255, 246, 235, 0.98), rgba(255, 255, 255, 0.96));
}

.price {
  margin: 0.9rem 0 1rem;
  font-family: "Fraunces", serif;
  font-size: 2.1rem;
  line-height: 1;
  color: var(--navy-950);
}

.price span {
  font-size: 1rem;
  font-family: "Manrope", sans-serif;
}

.discount-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  background: linear-gradient(135deg, var(--mint-100), rgba(255, 250, 242, 0.94));
}

.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}

.contact-card__body {
  display: grid;
  gap: 1rem;
  flex: 1 1 auto;
  align-content: start;
}

.contact-intro {
  margin: 0;
}

.contact-card--signup {
  background: linear-gradient(180deg, rgba(255, 246, 235, 0.98), rgba(255, 255, 255, 0.96));
}

.contact-list {
  display: grid;
  gap: 1rem;
}

.contact-list span {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--navy-900);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-list a {
  font-weight: 700;
}

.contact-card__footer {
  margin-top: auto;
  padding-top: 1.2rem;
}

.contact-callout {
  display: grid;
  gap: 0.75rem;
  padding: 1.1rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(195, 227, 255, 0.45), rgba(255, 250, 242, 0.85));
  border: 1px solid rgba(16, 53, 122, 0.08);
}

.contact-callout strong {
  color: var(--navy-950);
}

.contact-callout p,
.contact-form-note {
  margin: 0;
}

.todo-box {
  margin: 1.1rem 0;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  background: rgba(16, 53, 122, 0.06);
  border: 1px dashed rgba(16, 53, 122, 0.2);
}

.todo-box strong {
  display: inline-flex;
  margin-bottom: 0.35rem;
  color: var(--navy-900);
}

.signup-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0 1.1rem;
}

.contact-card--signup .button {
  align-self: flex-start;
  margin-top: auto;
}

.map-card {
  margin-top: 1.25rem;
  padding: 0;
}

.map-card iframe {
  display: block;
  width: 100%;
  min-height: 360px;
  border: 0;
}

.site-footer {
  padding: 1.5rem 0 2rem;
  background: transparent;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.75rem;
  padding: 1.4rem 1.6rem;
  border-radius: 28px;
  background: rgba(16, 53, 122, 0.94);
  color: rgba(255, 255, 255, 0.9);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  font-weight: 700;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.1rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.footer-links a,
.footer-contact a,
.footer-contact span,
.footer-contact strong {
  color: rgba(255, 255, 255, 0.92);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(255, 255, 255, 0.98);
  color: var(--navy-950);
}

.footer-contact {
  display: grid;
  gap: 0.45rem;
  padding-left: 1.6rem;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.footer-contact strong {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.72);
}

.footer-contact a,
.footer-contact span {
  font-weight: 700;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  color: var(--white);
}

.subpage-main {
  min-height: calc(100vh - 14rem);
}

.header-inner--subpage {
  justify-content: space-between;
}

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

.subpage-hero {
  padding-top: 4rem;
}

.subpage-hero__inner {
  display: grid;
  gap: 1rem;
  max-width: 760px;
}

.subpage-lead {
  max-width: 62ch;
  font-size: 1.08rem;
  color: var(--ink-700);
}

.page-grid {
  display: grid;
  gap: 1.25rem;
}

.page-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(36, 53, 77, 0.08);
  box-shadow: var(--shadow-card);
}

.page-card {
  padding: 1.6rem;
  background: rgba(255, 255, 255, 0.88);
}

.page-card--accent {
  background: linear-gradient(135deg, rgba(243, 234, 223, 0.9), rgba(238, 243, 249, 0.95));
}

.page-card p {
  color: var(--ink-700);
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.15rem;
}


.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 620ms ease, transform 620ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-12px);
  }
}

@media (max-width: 1120px) {
  .course-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .course-grid--math,
  .values-grid,
  .about-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

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

  .site-header.is-open .site-nav {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    display: grid;
    gap: 0.25rem;
    padding: 0.75rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-card);
    color: var(--ink-900);
  }

  .site-header.is-open .site-nav a {
    padding: 0.9rem 1rem;
    border-radius: 16px;
  }

  .site-header.is-open .site-nav a:hover,
  .site-header.is-open .site-nav a:focus-visible {
    background: rgba(16, 53, 122, 0.05);
  }

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

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

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

  .hero-grid,
  .contact-grid,
  .cambridge-card,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy-layout {
    grid-template-columns: 1fr;
  }

  .hero-illustration {
    width: min(100%, 260px);
    justify-self: center;
  }

  .hero-visual {
    min-height: auto;
  }

  .hero-visual-backdrop {
    inset: 1.5rem 0 0;
  }

  .hero-gallery {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-side-stack {
    order: 2;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-primary-card {
    min-height: 500px;
  }

  .discount-card,
  .footer-inner {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .discount-card {
    display: grid;
  }

  .footer-contact {
    justify-items: start;
    padding-left: 0;
    padding-top: 1.25rem;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
  }
}

@media (max-width: 680px) {
  .section {
    padding: 4.3rem 0;
  }

  .about-grid,
  .values-grid,
  .course-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 12ch;
  }

  .pricing-top,
  .inline-list,
  .signup-tags {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-highlights,
  .course-grid--math {
    grid-template-columns: 1fr;
  }

  .course-switch {
    display: grid;
    width: 100%;
  }

  .course-tab {
    width: 100%;
  }

  .hero-visual {
    display: grid;
    gap: 1rem;
  }

  .footer-links {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-links a {
    width: 100%;
  }

  .hero-primary-card {
    min-height: 440px;
  }

  .page-actions .button {
    width: 100%;
  }

  .header-inner {
    gap: 0.75rem;
  }

  .header-inner--subpage {
    flex-wrap: wrap;
  }

  .header-inner--subpage .header-actions {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 560px) {
  .brand {
    width: 160px;
    height: 46px;
  }

  .header-actions .button {
    min-height: 42px;
    padding-inline: 1rem;
    font-size: 0.9rem;
  }

  .header-inner--subpage .header-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .header-inner--subpage .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}