:root {
  --navy-950: #071a2f;
  --navy-900: #0a2440;
  --navy-800: #10385d;
  --blue-600: #176c9d;
  --cyan-500: #21a6b8;
  --cyan-100: #dff5f6;
  --green-500: #47a986;
  --gold-500: #e9b949;
  --gold-300: #f5d880;
  --white: #ffffff;
  --surface: #f5f8fb;
  --surface-strong: #eaf1f6;
  --text: #26394a;
  --muted: #647687;
  --border: rgba(16, 56, 93, 0.12);
  --shadow-sm: 0 8px 24px rgba(7, 26, 47, 0.08);
  --shadow-md: 0 18px 50px rgba(7, 26, 47, 0.13);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 30px;
  --container: 1180px;
  --header-height: 78px;
  --transition: 220ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  background: var(--white);
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body.maintenance-active {
  overflow: hidden;
}

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

picture {
  display: block;
}

.hero-picture,
.cover-picture {
  width: 100%;
  height: 100%;
}

.hero-picture img,
.cover-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--navy-950);
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 4.8rem);
  letter-spacing: -0.045em;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.035em;
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.2rem;
}

p:last-child {
  margin-bottom: 0;
}

:focus-visible {
  outline: 3px solid var(--gold-500);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 0.65rem 1rem;
  color: var(--navy-950);
  background: var(--gold-500);
  border-radius: 8px;
  font-weight: 800;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 4.75rem 0;
}

.section--soft {
  background: var(--surface);
}

.section--navy {
  overflow: hidden;
  color: rgba(255, 255, 255, 0.82);
  background:
    radial-gradient(circle at 90% 10%, rgba(33, 166, 184, 0.2), transparent 32%),
    var(--navy-950);
}

.section--navy h2,
.section--navy h3 {
  color: var(--white);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2.25rem;
}

.section-heading--center {
  margin-inline: auto;
  text-align: center;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.05rem;
}

.section--navy .section-heading p {
  color: rgba(255, 255, 255, 0.7);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.9rem;
  color: var(--blue-600);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 3px;
  background: var(--gold-500);
  border-radius: 99px;
  content: "";
}

.section--navy .eyebrow,
.hero .eyebrow,
.page-hero .eyebrow {
  color: var(--gold-300);
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.25rem;
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background-color var(--transition),
    border-color var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  color: var(--navy-950);
  background: var(--gold-500);
  box-shadow: 0 12px 25px rgba(233, 185, 73, 0.2);
}

.btn--primary:hover {
  background: var(--gold-300);
  box-shadow: 0 15px 30px rgba(233, 185, 73, 0.3);
}

.btn--secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--white);
}

.btn--navy {
  color: var(--white);
  background: var(--navy-900);
}

.btn--navy:hover {
  background: var(--blue-600);
  box-shadow: var(--shadow-sm);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  color: var(--white);
  transition:
    background-color var(--transition),
    box-shadow var(--transition),
    height var(--transition);
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.15);
  content: "";
}

.site-header.is-scrolled,
.site-header.header-solid {
  color: var(--navy-950);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 8px 30px rgba(7, 26, 47, 0.1);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  flex: 1 1 auto;
  min-width: 0;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  display: grid;
  width: 43px;
  height: 43px;
  flex: 0 0 43px;
  place-items: center;
  color: var(--navy-950);
  background: var(--gold-500);
  border-radius: 13px;
  box-shadow: 0 6px 18px rgba(233, 185, 73, 0.25);
}

.brand-mark svg {
  width: 25px;
  height: 25px;
}

.brand-text {
  display: block;
  max-width: 210px;
  min-width: 0;
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  font-size: 0.7rem;
  font-weight: 800;
  line-height: 1.18;
}

.menu-toggle {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  padding: 0;
  color: currentColor;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 12px;
  cursor: pointer;
  place-items: center;
}

.menu-toggle-box {
  position: relative;
  width: 22px;
  height: 16px;
}

.menu-toggle-box span,
.menu-toggle-box::before,
.menu-toggle-box::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 10px;
  content: "";
  transition: var(--transition);
}

.menu-toggle-box::before {
  top: 0;
}

.menu-toggle-box span {
  top: 7px;
}

.menu-toggle-box::after {
  bottom: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-box::before {
  top: 7px;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-box span {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-box::after {
  bottom: 7px;
  transform: rotate(-45deg);
}

.site-nav {
  position: fixed;
  z-index: 99;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  width: min(86vw, 360px);
  padding: 1.5rem;
  color: var(--navy-950);
  background: var(--white);
  box-shadow: -20px 20px 50px rgba(7, 26, 47, 0.18);
  transform: translateX(105%);
  transition: transform 280ms ease;
}

.site-nav.is-open {
  transform: translateX(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  font-size: 0.94rem;
  font-weight: 700;
  transition:
    color var(--transition),
    background-color var(--transition);
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--blue-600);
  background: var(--surface);
}

.menu-backdrop {
  position: fixed;
  z-index: 90;
  inset: var(--header-height) 0 0;
  visibility: hidden;
  background: rgba(7, 26, 47, 0.55);
  opacity: 0;
  transition:
    opacity var(--transition),
    visibility var(--transition);
}

.menu-backdrop.is-visible {
  visibility: visible;
  opacity: 1;
}

.hero {
  position: relative;
  display: grid;
  min-height: 760px;
  align-items: end;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(7, 26, 47, 0.97) 5%, rgba(10, 36, 64, 0.85) 52%, rgba(10, 36, 64, 0.45)),
    linear-gradient(135deg, var(--navy-950), var(--cyan-500));
}

.hero::after {
  position: absolute;
  right: -5%;
  bottom: -160px;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(255, 255, 255, 0.03),
    0 0 0 140px rgba(255, 255, 255, 0.02);
  content: "";
}

.hero-media {
  position: absolute;
  z-index: 0;
  inset: 0;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(7, 26, 47, 0.97) 5%, rgba(10, 36, 64, 0.86) 52%, rgba(10, 36, 64, 0.5));
  content: "";
}

.hero-media picture,
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media.is-missing img {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  padding-top: calc(var(--header-height) + 5rem);
  padding-bottom: 5.5rem;
}

.hero h1 {
  margin-bottom: 1.2rem;
  color: var(--white);
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 1rem;
  color: var(--white);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 700;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 1.8rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero-note {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.8rem;
  margin-top: 2.2rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.hero-note svg {
  width: 23px;
  color: var(--gold-500);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 5rem) 0 5rem;
  color: rgba(255, 255, 255, 0.76);
  background:
    radial-gradient(circle at 85% 25%, rgba(33, 166, 184, 0.28), transparent 28%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
}

.page-hero::before {
  position: absolute;
  top: 15%;
  right: 8%;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 50%;
  box-shadow:
    0 0 0 45px rgba(255, 255, 255, 0.03),
    0 0 0 90px rgba(255, 255, 255, 0.02);
  content: "";
}

.page-hero .container {
  position: relative;
}

.page-hero h1 {
  max-width: 880px;
  margin-bottom: 1rem;
  color: var(--white);
}

.page-hero p {
  max-width: 800px;
  font-size: 1.08rem;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1.4rem;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.83rem;
}

.breadcrumb a:hover {
  color: var(--gold-300);
}

.grid {
  display: grid;
  gap: 1.1rem;
}

.grid--3,
.grid--4,
.grid--5 {
  grid-template-columns: 1fr;
}

.card {
  position: relative;
  padding: 1.65rem;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.card:hover {
  border-color: rgba(23, 108, 157, 0.28);
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.card-icon {
  display: grid;
  width: 50px;
  height: 50px;
  margin-bottom: 1.25rem;
  color: var(--blue-600);
  background: var(--cyan-100);
  border-radius: 15px;
  place-items: center;
}

.card-icon svg {
  width: 25px;
  height: 25px;
}

.card-number {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  color: var(--surface-strong);
  font-family: "Montserrat", sans-serif;
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1;
}

.feature-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 0.65rem;
}

.feature-list svg {
  width: 20px;
  margin-top: 0.2rem;
  color: var(--green-500);
}

.course-mini {
  position: relative;
  min-height: 255px;
  padding: 1.65rem;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.72);
  background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition:
    transform var(--transition),
    border-color var(--transition);
}

.course-mini::after {
  position: absolute;
  right: -45px;
  bottom: -50px;
  width: 150px;
  height: 150px;
  background: rgba(33, 166, 184, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
  content: "";
}

.course-mini:hover {
  border-color: rgba(245, 216, 128, 0.45);
  transform: translateY(-5px);
}

.course-mini h3 {
  color: var(--white);
  font-size: 1.35rem;
}

.course-mini .card-icon {
  color: var(--navy-950);
  background: var(--gold-500);
}

.course-mini-picture {
  position: relative;
  z-index: 1;
  width: calc(100% + 3.3rem);
  height: 175px;
  margin: -1.65rem -1.65rem 1.4rem;
  overflow: hidden;
  background: var(--navy-800);
}

.course-mini-picture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.course-mini:hover .course-mini-picture img {
  transform: scale(1.04);
}

.course-mini-picture.is-missing img {
  display: none;
}

.course-mini > * {
  position: relative;
  z-index: 1;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.75rem;
  color: var(--blue-600);
  font-size: 0.92rem;
  font-weight: 800;
}

.section--navy .text-link,
.course-mini .text-link {
  color: var(--gold-300);
}

.text-link span {
  transition: transform var(--transition);
}

.text-link:hover span {
  transform: translateX(4px);
}

.split {
  display: grid;
  align-items: center;
  gap: 2.5rem;
}

.media-frame {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(10, 36, 64, 0.94), rgba(33, 166, 184, 0.7)),
    var(--navy-900);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.media-frame picture,
.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame.is-missing img {
  display: none;
}

.media-frame::after {
  position: absolute;
  inset: 0;
  display: grid;
  padding: 2rem;
  color: rgba(255, 255, 255, 0.9);
  content: attr(data-fallback);
  font-family: "Montserrat", sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: center;
  place-items: center;
}

.media-frame:not(.is-missing)::after {
  display: none;
}

.accent-panel {
  padding: 2rem;
  color: rgba(255, 255, 255, 0.76);
  background:
    radial-gradient(circle at top right, rgba(33, 166, 184, 0.28), transparent 40%),
    var(--navy-950);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.accent-panel h2,
.accent-panel h3 {
  color: var(--white);
}

.quote-panel {
  position: relative;
  max-width: 930px;
  margin-inline: auto;
  padding: 2.5rem 1.5rem;
  overflow: hidden;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-500));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.quote-panel::before {
  position: absolute;
  top: -2rem;
  left: 1rem;
  color: rgba(255, 255, 255, 0.13);
  content: "“";
  font-family: Georgia, serif;
  font-size: 11rem;
  line-height: 1;
}

.quote-panel p {
  position: relative;
  margin: 0;
  font-family: "Montserrat", sans-serif;
  font-size: clamp(1.35rem, 3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.4;
}

.course-detail {
  display: grid;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.course-detail + .course-detail {
  margin-top: 1.5rem;
}

.course-image {
  position: relative;
  min-height: 300px;
  background:
    linear-gradient(135deg, rgba(10, 36, 64, 0.95), rgba(33, 166, 184, 0.65)),
    var(--navy-900);
}

.course-image picture,
.course-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-image.is-missing img {
  display: none;
}

.course-image::after {
  position: absolute;
  inset: 0;
  display: grid;
  padding: 2rem;
  color: var(--white);
  content: attr(data-fallback);
  font-family: "Montserrat", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  text-align: center;
  place-items: center;
}

.course-image:not(.is-missing)::after {
  display: none;
}

.course-content {
  padding: 2rem;
}

.course-content h2 {
  font-size: clamp(1.6rem, 3vw, 2.35rem);
}

.course-content h3 {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tag {
  display: inline-flex;
  margin-bottom: 1rem;
  padding: 0.35rem 0.7rem;
  color: var(--blue-600);
  background: var(--cyan-100);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gallery {
  display: grid;
  gap: 1.25rem;
}

.gallery-card {
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition:
    transform var(--transition),
    box-shadow var(--transition);
}

.gallery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
}

.gallery-media {
  position: relative;
  min-height: 240px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(10, 36, 64, 0.96), rgba(71, 169, 134, 0.65)),
    var(--navy-900);
}

.gallery-media picture,
.gallery-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.gallery-card:hover img {
  transform: scale(1.04);
}

.gallery-media.is-missing img {
  display: none;
}

.gallery-media::after {
  position: absolute;
  inset: 0;
  display: grid;
  padding: 1.5rem;
  color: var(--white);
  content: attr(data-fallback);
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  text-align: center;
  place-items: center;
}

.gallery-media:not(.is-missing)::after {
  display: none;
}

.gallery-copy {
  padding: 1.5rem;
}

.contact-grid {
  display: grid;
  gap: 1.5rem;
}

.contact-panel {
  padding: 2rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.contact-detail {
  display: grid;
  grid-template-columns: 45px 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}

.contact-detail:last-of-type {
  border-bottom: 0;
}

.contact-detail .card-icon {
  width: 45px;
  height: 45px;
  margin: 0;
  border-radius: 13px;
}

.contact-detail strong {
  display: block;
  color: var(--navy-950);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.4rem;
}

.map-frame {
  min-height: 460px;
  overflow: hidden;
  background: var(--surface-strong);
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  min-height: 460px;
  border: 0;
}

.cta {
  position: relative;
  display: grid;
  gap: 1.5rem;
  align-items: center;
  padding: 2rem;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  background:
    radial-gradient(circle at 92% 20%, rgba(233, 185, 73, 0.2), transparent 26%),
    linear-gradient(135deg, var(--navy-950), var(--navy-800));
  border-radius: var(--radius-lg);
}

.cta h2 {
  margin-bottom: 0.6rem;
  color: var(--white);
  font-size: clamp(1.5rem, 3vw, 2.35rem);
}

.site-footer {
  padding: 4rem 0 1.5rem;
  color: rgba(255, 255, 255, 0.66);
  background: #051525;
}

.footer-grid {
  display: grid;
  gap: 2.5rem;
}

.footer-brand .brand {
  margin-bottom: 1.25rem;
  color: var(--white);
}

.footer-brand p {
  max-width: 430px;
}

.footer-title {
  margin-bottom: 1rem;
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a {
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--gold-300);
}

.footer-contact {
  font-style: normal;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 3rem;
  padding-top: 1.3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}

.back-to-top {
  position: fixed;
  z-index: 80;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  width: 46px;
  height: 46px;
  padding: 0;
  color: var(--navy-950);
  background: var(--gold-500);
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(15px);
  transition:
    opacity var(--transition),
    transform var(--transition);
  place-items: center;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top svg {
  width: 20px;
}

.maintenance-overlay {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  overflow-y: auto;
  background:
    linear-gradient(135deg, rgba(7, 26, 47, 0.98), rgba(10, 36, 64, 0.96) 54%, rgba(16, 56, 93, 0.95)),
    radial-gradient(circle at 18% 16%, rgba(245, 216, 128, 0.2), transparent 28%),
    radial-gradient(circle at 84% 86%, rgba(33, 166, 184, 0.2), transparent 30%);
}

.maintenance-overlay::before,
.maintenance-overlay::after {
  position: absolute;
  width: min(52vw, 440px);
  aspect-ratio: 1;
  border: 1px solid rgba(245, 216, 128, 0.16);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.maintenance-overlay::before {
  top: -170px;
  right: -120px;
  box-shadow:
    0 0 0 52px rgba(255, 255, 255, 0.025),
    0 0 0 104px rgba(255, 255, 255, 0.018);
}

.maintenance-overlay::after {
  bottom: -210px;
  left: -130px;
  border-color: rgba(33, 166, 184, 0.2);
}

.maintenance-card {
  position: relative;
  z-index: 1;
  width: min(100%, 760px);
  max-height: calc(100vh - 2.5rem);
  padding: clamp(1.5rem, 5vw, 3rem);
  overflow-y: auto;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 248, 251, 0.98)),
    var(--white);
  border: 1px solid rgba(245, 216, 128, 0.45);
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.maintenance-card::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300), var(--cyan-500));
  content: "";
}

.maintenance-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  padding: 0.48rem 0.8rem;
  color: var(--navy-950);
  background: rgba(233, 185, 73, 0.16);
  border: 1px solid rgba(233, 185, 73, 0.38);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.maintenance-title {
  max-width: 680px;
  margin: 0 auto 1rem;
  color: var(--navy-950);
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 0;
}

.maintenance-message {
  max-width: 620px;
  margin: 0 auto 0.85rem;
  color: var(--text);
  font-size: clamp(1rem, 2vw, 1.12rem);
}

.maintenance-message--small {
  color: var(--muted);
  font-size: 0.98rem;
}

.maintenance-return {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: 100%;
  margin: 0.65rem auto 1.35rem;
  padding: 0.8rem 1rem;
  color: var(--navy-950);
  background: var(--surface-strong);
  border-left: 4px solid var(--gold-500);
  border-radius: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.maintenance-countdown {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 0 auto 1.35rem;
}

.maintenance-countdown span {
  display: grid;
  min-height: 88px;
  align-content: center;
  gap: 0.2rem;
  padding: 0.8rem 0.45rem;
  color: var(--muted);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(234, 241, 246, 0.9)),
    var(--surface);
  border: 1px solid rgba(16, 56, 93, 0.1);
  border-radius: 16px;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}

.maintenance-countdown strong {
  display: block;
  color: var(--navy-950);
  font-family: "Montserrat", "Segoe UI", Arial, sans-serif;
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1;
}

.maintenance-contact {
  max-width: 560px;
  margin: 0 auto;
  padding-top: 1.2rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-weight: 700;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 650ms ease,
    transform 650ms ease;
}

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

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (min-width: 640px) {
  .container {
    width: min(calc(100% - 3rem), var(--container));
  }

  .grid--3,
  .grid--4,
  .grid--5 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cta {
    grid-template-columns: 1fr auto;
    padding: 2.5rem;
  }

  .maintenance-card {
    padding-inline: 3rem;
  }
}

@media (max-width: 560px) {
  .maintenance-overlay {
    padding: 0.9rem;
  }

  .maintenance-card {
    max-height: calc(100vh - 1.8rem);
    border-radius: var(--radius-md);
  }

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

  .maintenance-countdown span {
    min-height: 76px;
  }
}

@media (min-width: 860px) {
  :root {
    --header-height: 88px;
  }

  .section {
    padding: 6.5rem 0;
  }

  .brand-text {
    max-width: 280px;
    font-size: 0.82rem;
  }

  .brand {
    flex: 0 1 auto;
  }

  .menu-toggle,
  .menu-backdrop {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    padding: 0;
    color: inherit;
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 0.1rem;
  }

  .nav-link {
    padding: 0.65rem 0.72rem;
    font-size: 0.78rem;
  }

  .site-header:not(.is-scrolled):not(.header-solid) .nav-link:hover,
  .site-header:not(.is-scrolled):not(.header-solid) .nav-link[aria-current="page"] {
    color: var(--gold-300);
    background: rgba(255, 255, 255, 0.08);
  }

  .hero {
    min-height: 800px;
  }

  .hero-content {
    padding-bottom: 7rem;
  }

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

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

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

  .split {
    grid-template-columns: 1fr 1fr;
    gap: 4.5rem;
  }

  .split--reverse > :first-child {
    order: 2;
  }

  .course-detail {
    grid-template-columns: minmax(320px, 0.85fr) 1.15fr;
  }

  .course-detail:nth-child(even) {
    grid-template-columns: 1.15fr minmax(320px, 0.85fr);
  }

  .course-detail:nth-child(even) .course-image {
    order: 2;
  }

  .course-content {
    padding: 3rem;
  }

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

  .gallery-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
  }

  .contact-grid {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: stretch;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 0.7fr 1fr;
  }
}

@media (min-width: 1080px) {
  .nav-list {
    gap: 0.2rem;
  }

  .nav-link {
    padding-inline: 0.9rem;
    font-size: 0.85rem;
  }

  .gallery {
    grid-template-columns: repeat(6, 1fr);
  }

  .gallery-card {
    grid-column: span 2;
  }

  .gallery-card:nth-child(1),
  .gallery-card:nth-child(2) {
    grid-column: span 3;
  }

  .gallery-card:last-child:nth-child(odd) {
    grid-column: span 2;
    display: block;
  }
}