/* Base */
:root {
  --primary: #1a4164;
  --primary-dark: #115787;
  --accent: #15809b;
  --text: #1d314b;
  --muted: #556577;
  --bg: #f1f4f8;
  --surface: #ffffff;
  --border: #d4dae6;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
}

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

/* Layout */
.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.section-spacing {
  padding: 84px 0;
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading p {
  margin-top: 10px;
  color: var(--muted);
}

/* Componentes */
.btn {
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}

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

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(13, 63, 136, 0.18);
}

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

.btn-outline {
  border-color: #1a4164;
  color: #1a4164;
  background: #fff;
}

.btn-outline:hover {
  border-color: #15809b;
  color: #15809b;
  background: #f5f9fc;
}

.btn-light {
  background: #fff;
  color: #1a4164;
}

.btn-light:hover {
  background: #f1f4f8;
}

.btn-header {
  border-radius: 999px;
  padding: 12px 34px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 0.9rem;
  white-space: nowrap;
  background: #1a4164;
  color: #fff;
}

.btn-catalog {
  background: #15809b;
  color: #ffffff;
  border-radius: 999px;
  border-color: transparent;
  padding: 14px 32px;
  font-size: 1.1rem;
  text-align: center;
  max-width: 520px;
  box-shadow: 0 8px 22px rgba(10, 32, 52, 0.24);
  transition: transform 0.34s ease, box-shadow 0.34s ease;
}

.btn-catalog:hover {
  background: #15809b;
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(10, 32, 52, 0.3);
}

.btn-catalog:active {
  transform: translateY(-1px) scale(0.985);
  box-shadow: 0 8px 20px rgba(10, 32, 52, 0.25);
}

.btn:focus-visible,
.course-media:focus-visible,
.carousel-arrow:focus-visible,
.carousel-dot:focus-visible,
.btn-catalog:focus-visible,
.contact-modal__close:focus-visible,
.video-modal__close:focus-visible {
  outline: 2px solid rgba(21, 128, 155, 0.7);
  outline-offset: 3px;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.courses-carousel {
  --carousel-gap: 30px;
  --visible-cards: 3;
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding: 0 20px;
}

.carousel-viewport {
  overflow: hidden;
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  gap: var(--carousel-gap);
  transition: transform 0.55s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.course-card {
  flex: 0 0 calc((100% - (var(--visible-cards) - 1) * var(--carousel-gap)) / var(--visible-cards));
  text-align: center;
}

.course-media {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  padding: 0;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow:
    8px 10px 22px rgba(17, 31, 49, 0.24),
    -6px -6px 14px rgba(255, 255, 255, 0.12);
  background: transparent;
  transition: transform 0.36s ease, box-shadow 0.36s ease, border-color 0.36s ease;
}

.course-media:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow:
    12px 16px 30px rgba(14, 25, 38, 0.34),
    -8px -8px 18px rgba(255, 255, 255, 0.14);
}

.course-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(0, 0, 0, 0.28);
  border-radius: 20px;
  transition: transform 0.36s ease, filter 0.36s ease;
}

.course-media:hover img {
  transform: scale(1.02);
  filter: saturate(1.03);
}

.course-play {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.58);
  color: #ffffff;
  font-size: 0.7rem;
  line-height: 1;
  opacity: 0.92;
  transition: transform 0.34s ease, opacity 0.34s ease;
}

.course-media:hover .course-play {
  transform: scale(1.12);
  opacity: 1;
}

.course-card h3 {
  color: #1d314b;
  margin-top: 8px;
  font-size: 1.05rem;
  font-style: italic;
  font-weight: 500;
}

.carousel-arrow {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1;
  cursor: pointer;
  z-index: 2;
  transition: color 0.25s ease, transform 0.25s ease;
}

.carousel-arrow:hover {
  color: #ffffff;
  transform: translateY(-50%) scale(1.04);
}

.carousel-arrow:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.carousel-arrow-prev {
  left: -40px;
}

.carousel-arrow-next {
  right: -40px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

.carousel-dot {
  width: 7px;
  height: 7px;
  min-width: 7px;
  min-height: 7px;
  padding: 0;
  flex: 0 0 7px;
  display: inline-block;
  border-radius: 50%;
  border: 0.8px solid rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: background-color 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.carousel-dot.active {
  background: rgba(255, 255, 255, 0.62);
  border-color: rgba(255, 255, 255, 0.65);
  transform: scale(1.04);
}

.video-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 1200;
}

.video-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.video-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 18, 32, 0.82);
}

.video-modal__dialog {
  position: relative;
  width: min(900px, 96vw);
  background: #0f1725;
  border-radius: 18px;
  overflow: hidden;
  transform: translateY(20px);
  transition: transform 0.35s ease;
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.44);
}

.video-modal.open .video-modal__dialog {
  transform: translateY(0);
}

.video-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  line-height: 1;
  color: #ffffff;
  background: rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.video-modal__player {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  background: #000000;
}

.contact-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.32s ease;
  z-index: 1300;
}

.contact-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.contact-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 20, 34, 0.55);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
}

.contact-modal__dialog {
  position: relative;
  width: min(560px, 96vw);
  max-height: calc(100vh - 28px);
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid #d8e1ec;
  border-radius: 18px;
  padding: 28px 26px 24px;
  box-shadow: 0 24px 60px rgba(10, 28, 46, 0.3);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.32s ease;
}

.contact-modal.open .contact-modal__dialog {
  transform: translateY(0) scale(1);
}

.contact-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 1px solid #d4dae6;
  border-radius: 50%;
  background: #ffffff;
  color: #1a4164;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.contact-modal__close:hover {
  background: #f2f7fc;
  border-color: #b8c7d9;
  color: #115787;
}

.contact-modal__brand {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.contact-modal__brand img {
  max-height: 58px;
  width: auto;
}

.contact-modal__dialog h3 {
  text-align: center;
  color: #1a4164;
  font-size: clamp(1.3rem, 2vw, 1.65rem);
  margin-bottom: 18px;
}

.contact-form {
  display: grid;
  gap: 14px;
}

.contact-form__field {
  display: grid;
  gap: 6px;
}

.contact-form__field label {
  font-size: 0.92rem;
  color: #1d314b;
  font-weight: 600;
}

.contact-form__field input,
.contact-form__field textarea {
  width: 100%;
  border: 1px solid #c8d3df;
  border-radius: 12px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.96rem;
  color: #1d314b;
  background: #ffffff;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease;
}

.contact-form__field input:hover,
.contact-form__field textarea:hover {
  border-color: #9fb4cb;
  background: #fbfdff;
}

.contact-form__field input:focus,
.contact-form__field textarea:focus {
  outline: none;
  border-color: #15809b;
  box-shadow: 0 0 0 3px rgba(21, 128, 155, 0.2);
}

.contact-form__field input[aria-invalid='true'],
.contact-form__field textarea[aria-invalid='true'] {
  border-color: #b42318;
  box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.13);
}

.contact-form__status {
  min-height: 1.4em;
  color: #1a4164;
  font-size: 0.93rem;
}

.contact-form__status.is-error {
  color: #b42318;
}

.contact-form__status.is-success {
  color: #0f7a63;
}

.contact-form__submit {
  width: 100%;
  margin-top: 2px;
}

.contact-form__submit[disabled] {
  opacity: 0.78;
  cursor: not-allowed;
}

body.modal-open,
body.contact-modal-open {
  overflow: hidden;
}

/* Secciones */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid #e1e7f0;
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 72px;
  width: auto;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 12px;
  padding: 0;
  margin: 0;
}

.main-nav a {
  color: #1d314b;
  font-weight: 600;
  font-size: 0.88rem;
  text-transform: uppercase;
  background: #c7d3df;
  border-radius: 999px;
  padding: 8px 22px;
  letter-spacing: 0.02em;
  line-height: 1;
}

.main-nav a:hover {
  background: #b8c7d3;
  color: #0f1d2d;
}

.hero {
  padding: 0;
  background: #1a4164;
}

.hero-split {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: 48% 52%;
}

.hero-visual {
  margin: 0;
  position: relative;
  min-height: 560px;
  clip-path: polygon(0 0, 88% 0, 100% 100%, 0 100%);
  overflow: hidden;
  opacity: 1;
  transform: none;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(15, 43, 82, 0.46);
  z-index: 2;
}

.hero-visual::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 3px;
  height: 100%;
  background: rgba(226, 236, 250, 0.56);
  transform: skewX(-8deg);
  transform-origin: top;
  z-index: 3;
}

.hero-video,
.hero-mobile-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-mobile-image {
  display: none;
}

.hero-panel {
  background: #1a4164;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 84px) clamp(24px, 7vw, 84px);
  opacity: 1;
  transform: none;
}

.hero-panel h1 {
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  font-weight: 700;
  text-transform: uppercase;
  display: grid;
  gap: 8px;
}

.hero-kicker-group {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.hero-kicker {
  font-size: clamp(1.2rem, 2vw, 2rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #d7e2f4;
  margin: 0;
}

.hero-cursor {
  display: inline-block;
  width: 36px;
  height: auto;
  flex-shrink: 0;
  background: transparent;
}

.hero-text {
  margin-top: 16px;
  max-width: 62ch;
  color: #dde7f7;
  font-size: clamp(1rem, 1.4vw, 1.14rem);
  line-height: 1.45;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.btn-hero {
  background: #c7d3df;
  color: #1d314b;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  padding: 12px 26px;
  border-color: transparent;
  box-shadow: none;
}

.btn-hero:hover {
  background: #15809b;
  color: #ffffff;
}

.about-intro {
  background: #ffffff;
  padding: 72px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.about-block {
  padding: 32px 26px;
  background: #f1f4f8;
  border-radius: 16px;
  border-left: 4px solid #1a4164;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.about-block:hover {
  transform: translateY(-4px);
  background: #e8f0f8;
  box-shadow: 0 12px 28px rgba(26, 65, 100, 0.12);
}

.about-block h3 {
  color: #1a4164;
  font-size: 1.32rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.25;
}

.about-block p {
  color: #1d314b;
  font-size: 0.98rem;
  line-height: 1.58;
  margin-bottom: 12px;
}

.about-block p:last-child {
  margin-bottom: 0;
}

.service-list {
  margin: 12px 0 16px 0;
  padding-left: 20px;
  list-style: none;
}

.service-list li {
  color: #1d314b;
  font-size: 0.96rem;
  margin-bottom: 8px;
  line-height: 1.5;
  position: relative;
  padding-left: 14px;
}

.service-list li:before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #15809b;
  font-weight: bold;
}

.about-cta {
  text-align: center;
  padding: 48px 28px;
  background: linear-gradient(135deg, #1a4164 0%, #115787 100%);
  color: #ffffff;
}

.about-cta p {
  font-size: clamp(1.2rem, 2.8vw, 1.52rem);
  font-weight: 600;
  margin: 0;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.about-cta-wrapper {
  width: 100%;
  background: linear-gradient(135deg, #1a4164 0%, #115787 100%);
  padding: 32px 0;
  margin-top: 20px;
}

/* acceso para alumnos inscritos */
.section-acceso {
  background: linear-gradient(135deg, #1a4164 0%, #0f4c6f 100%);
  padding: 56px 24px;
  margin: 48px 0;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(26, 65, 100, 0.15);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-acceso.reveal {
  transform: translateY(24px);
}

.acceso-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.acceso-text h2 {
  color: #ffffff;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 12px 0;
  letter-spacing: 0.01em;
}

.acceso-text p {
  color: #d7e2f4;
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
  max-width: 480px;
}

/* Botón de acceso al aula  */
.section-acceso .btn-primary {
  white-space: nowrap;
  flex-shrink: 0;
}

.services .section-heading h2,
.services .section-heading p {
  color: #ffffff;
}

.services {
  position: relative;
  background: #556577;
  transition: background 0.8s ease, box-shadow 0.6s ease;
  animation: slideInServices 0.8s ease 0.2s both;
  overflow: hidden;
}

.services::before,
.services::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 46px;
  pointer-events: none;
  z-index: 0;
}

.services::before {
  top: 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0));
}

.services::after {
  bottom: 0;
  background: linear-gradient(to top, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0));
}

.services .container {
  position: relative;
  z-index: 1;
}

.courses-heading {
  margin-bottom: 30px;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.courses-heading-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(6px, 1.2vw, 10px);
  margin: 0 auto;
  width: fit-content;
}

.courses-heading-wrap h2 {
  margin: 0;
  line-height: 1;
}

.courses-heading-logo {
  width: auto;
  height: clamp(36px, 4.2vw, 50px);
}

.courses-download {
  margin-top: 42px;
  display: flex;
  justify-content: center;
}

/* EMPRESAS QUE CONFÍAN EN NOSOTROS */
.partners {
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.partners::before,
.partners::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  background-image: radial-gradient(circle, rgba(21, 128, 155, 0.65) 1.35px, transparent 1.35px);
  background-size: 13px 13px;
  opacity: 0.42;
  pointer-events: none;
}

.partners::before {
  top: 22px;
  left: 22px;
}

.partners::after {
  right: 22px;
  bottom: 22px;
}

.partners .container {
  position: relative;
  z-index: 1;
}

.partners-header {
  text-align: center;
  margin-bottom: 64px;
}

.partners-kicker {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.partners-header h2 {
  color: var(--text);
  margin: 0 0 20px;
}

.partners-header p {
  color: var(--muted);
  font-size: 1rem;
  max-width: 54ch;
  margin: 0 auto 8px;
  line-height: 1.65;
}

.partners-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 28px;
}

.partner-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 28px 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  box-shadow: 0 6px 20px rgba(26, 65, 100, 0.08);
  transition: transform 0.35s ease, box-shadow 0.35s ease, background-color 0.35s ease, border-color 0.35s ease;
  min-height: 110px;
}

.partner-card:hover {
  transform: translateY(-7px);
  background-color: #f8fbff;
  border-color: rgba(21, 128, 155, 0.24);
  box-shadow: 0 14px 34px rgba(26, 65, 100, 0.16);
}

.partner-card img {
  width: min(100%, 150px);
  height: 56px;
  object-fit: contain;
  object-position: center;
  display: block;
  margin: 0 auto;
}

.partners-grid .partner-card.reveal {
  transform: translateY(20px) scale(0.98);
}

.partners-grid .partner-card.reveal.is-visible {
  transform: translateY(0) scale(1);
}

.section-empty .container {
  min-height: 180px;
}

.final-cta {
  background: linear-gradient(135deg, #1a4164 0%, #0d2e50 55%, #115787 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}


.final-cta.section-spacing {
  padding: 52px 0;
}

.final-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.22) 1.6px, transparent 1.6px);
  background-size: 15px 15px;
  -webkit-mask-image:
    radial-gradient(ellipse 190px 190px at 0% 0%, black, transparent),
    radial-gradient(ellipse 190px 190px at 100% 0%, black, transparent),
    radial-gradient(ellipse 190px 190px at 0% 100%, black, transparent),
    radial-gradient(ellipse 190px 190px at 100% 100%, black, transparent);
  mask-image:
    radial-gradient(ellipse 190px 190px at 0% 0%, black, transparent),
    radial-gradient(ellipse 190px 190px at 100% 0%, black, transparent),
    radial-gradient(ellipse 190px 190px at 0% 100%, black, transparent),
    radial-gradient(ellipse 190px 190px at 100% 100%, black, transparent);
  -webkit-mask-composite: source-over;
  mask-composite: add;
  pointer-events: none;
  z-index: 0;
}

.final-cta .container {
  position: relative;
  z-index: 1;
}

.final-cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.final-cta h2 {
  max-width: 24ch;
}

.site-footer {
  background: #1d314b;
  color: #c4d0dd;
  padding: 56px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 24px;
}

.footer-logo {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.site-footer h3 {
  color: #fff;
  margin-bottom: 12px;
  font-size: 1rem;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}

.site-footer a {
  color: #c4d0dd;
}

.site-footer a:hover {
  color: #15809b;
}

/* Animaciones */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.72s ease, transform 0.72s ease;
  transition-delay: var(--reveal-delay, 0ms);
  will-change: transform, opacity;
}

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

.courses-carousel.has-stagger .course-card.reveal {
  transform: translateY(20px) scale(0.98);
}

.courses-carousel.has-stagger .course-card.reveal.is-visible {
  transform: translateY(0) scale(1);
}

@keyframes slideInServices {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero.fade-scroll {
  opacity: 0.3;
  transform: scale(0.98);
}

.about-intro .about-block.reveal {
  transform: translateY(24px);
}

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

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

/* Responsive */
@media (max-width: 1080px) {
  .main-nav,
  .btn-header {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 6px;
  }

  .menu-toggle span {
    width: 22px;
    height: 2px;
    background: #1a4164;
    border-radius: 2px;
  }

  .mobile-nav {
    display: none;
    border-top: 1px solid #e5ebf0;
    background: #ffffff;
  }

  .mobile-nav.open {
    display: block;
  }

  .mobile-nav ul {
    list-style: none;
    margin: 0;
    padding: 16px 4%;
    display: grid;
    gap: 12px;
  }

  .hero-split,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .courses-carousel {
    --carousel-gap: 22px;
    --visible-cards: 2;
  }

  .hero-panel {
    padding: 40px 34px;
  }

  .hero-actions {
    gap: 12px;
  }

  .btn-hero {
    font-size: 0.86rem;
  }

  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .partner-card {
    padding: 26px 22px;
  }

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

  .about-cta-wrapper {
    margin-left: 0;
    margin-right: 0;
    padding: 32px 0;
  }

  /* Sección de acceso tablet */
  .section-acceso {
    padding: 48px 20px;
    margin: 40px 0;
  }

  .acceso-content {
    gap: 24px;
  }

  .acceso-text h2 {
    font-size: 1.5rem;
  }

  .acceso-text p {
    font-size: 0.92rem;
  }
}

@media (max-width: 760px) {
  .section-spacing {
    padding: 64px 0;
  }

  .hero-split,
  .about-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .courses-carousel {
    --visible-cards: 1;
    --carousel-gap: 16px;
    padding: 0 12px;
  }

  .courses-carousel.has-stagger .course-card.reveal {
    transform: translateY(14px) scale(0.985);
    transition-duration: 0.34s;
  }

  .carousel-arrow {
    top: 39%;
    font-size: 2.8rem;
  }

  .carousel-arrow-prev {
    left: -14px;
  }

  .carousel-arrow-next {
    right: -14px;
  }

  .btn-catalog {
    width: 100%;
    max-width: 100%;
    font-size: 1rem;
    padding: 15px 20px;
  }

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

  .hero-visual {
    min-height: 320px;
    max-height: 360px;
    width: 100%;
    clip-path: none;
    opacity: 1;
    transform: none;
  }

  .hero-visual::before,
  .hero-visual::after {
    display: none;
  }

  .hero-video {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
  }

  .hero-mobile-image {
    display: none;
  }

  .hero-panel {
    padding: 42px 22px 56px;
  }

  .hero-panel h1 {
    gap: 2px;
  }

  .hero-actions {
    margin-top: 28px;
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-hero {
    width: 100%;
    max-width: 320px;
  }

  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .partner-card {
    padding: 24px 20px;
    min-height: 90px;
  }

  .about-cta-wrapper {
    margin-left: 0;
    margin-right: 0;
    padding: 28px 0;
  }

  .about-cta p {
    font-size: 1.1rem;
  }

  /* Sección de acceso  móvil */
  .section-acceso {
    padding: 40px 18px;
    margin: 32px 0;
    border-radius: 6px;
  }

  .acceso-content {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }

  .acceso-text h2 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .acceso-text p {
    font-size: 0.9rem;
  }

  .section-acceso .btn-primary {
    width: 100%;
    white-space: normal;
  }

  .contact-modal {
    padding: 12px;
  }

  .contact-modal__dialog {
    width: min(560px, 100%);
    max-height: calc(100vh - 18px);
    border-radius: 14px;
    padding: 22px 16px 18px;
  }

  .contact-modal__brand img {
    max-height: 48px;
  }
}