:root {
  /* === Brand tokens (verified from official design guide) === */
  --eduspace-primary: #0CC0DF;
  --eduspace-primary-deep: #064C58;
  --eduspace-secondary: #FCDE5B;
  --eduspace-success: #0A9F19;
  --eduspace-warning: #806900;
  --eduspace-error: #DF0C0C;

  --eduspace-black-1: #000000;
  --eduspace-black-2: #1D1D1D;
  --eduspace-black-3: #282828;
  --eduspace-white: #FFFFFF;
  --eduspace-gray-1: #333333;
  --eduspace-gray-2: #4F4F4F;
  --eduspace-gray-3: #828282;
  --eduspace-gray-4: #BDBDBD;
  --eduspace-gray-5: #E0E0E0;
  --eduspace-gray-6: #F5F7FA;

  /* Backwards-compat aliases so old class names keep rendering */
  --primary-color: var(--eduspace-primary);
  --primary-color-light: #E6FAFD;
  --primary-color-dark: var(--eduspace-primary-deep);
  --text-dark: var(--eduspace-black-2);
  --text-light: var(--eduspace-gray-3);
  --white: var(--eduspace-white);
  --extra-light: var(--eduspace-gray-6);

  --brand-gradient: linear-gradient(135deg, #0CC0DF 0%, #2BC8B0 45%, #FCDE5B 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(12,192,223,.08) 0%, rgba(252,222,91,.08) 100%);

  /* === Spacing (official scale) === */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 56px;
  --space-7: 72px;
  --space-8: 80px;
  --space-9: 96px;
  --space-10: 120px;

  --max-width: 1200px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 32px;
  --radius-pill: 999px;
  --shadow-sm: 0 4px 14px rgba(6, 76, 88, .06);
  --shadow-md: 0 10px 30px rgba(6, 76, 88, .10);
  --shadow-lg: 0 20px 50px rgba(6, 76, 88, .15);

  --header-font: "Poppins", sans-serif;
}

/* ------- Reset ------- */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html, body { scroll-behavior: smooth; }

body {
  font-family: "Poppins", sans-serif;
  color: var(--eduspace-gray-1);
  background: var(--eduspace-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

:where(section, header)[id] { scroll-margin-top: 88px; }

img { display: block; max-width: 100%; }
a { text-decoration: none; transition: color .25s, transform .25s; color: inherit; }
ul { list-style: none; }
label { display: block; margin-bottom: var(--space-1); font-weight: 500; }

input, textarea {
  width: 100%;
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  box-sizing: border-box;
  border: 1px solid var(--eduspace-gray-5);
  font-family: inherit;
  font-size: 1rem;
  color: var(--eduspace-black-2);
  transition: border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--eduspace-primary);
  box-shadow: 0 0 0 3px rgba(12,192,223,.18);
}

.section__container {
  max-width: var(--max-width);
  margin: auto;
  padding: var(--space-9) var(--space-3);
}

/* === Type scale (per design guide: lh = 1.1× size) === */
h1, h2, h3, h4, h5, h6 { font-family: var(--header-font); color: var(--eduspace-black-2); line-height: 1.1; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: clamp(1.75rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.015em; }
h3 { font-size: 2.5rem; font-weight: 600; }
h4 { font-size: 2rem; font-weight: 600; }
h5 { font-size: 1.5rem; font-weight: 600; }
h6 { font-size: 1.25rem; font-weight: 600; }

.section__header {
  text-align: center;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--space-3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(12,192,223,.10);
  color: var(--eduspace-primary-deep);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.eyebrow i { color: var(--eduspace-primary); }

.section__description { line-height: 1.75; color: var(--eduspace-gray-2); }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: .875rem 1.75rem;
  outline: none;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--eduspace-white);
  background: var(--eduspace-primary);
  white-space: nowrap;
  border-radius: var(--radius-pill);
  transition: transform .25s, box-shadow .25s, background-color .25s, color .25s;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(12,192,223,.25);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(12,192,223,.35); }

.btn__secondary {
  background: var(--eduspace-white);
  color: var(--eduspace-primary-deep);
  border: 2px solid var(--eduspace-primary);
  box-shadow: none;
}
.btn__secondary:hover {
  background: var(--eduspace-primary);
  color: var(--eduspace-white);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(12,192,223,.30);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--eduspace-black-2);
}

/* ------- Navbar ------- */
nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 24px);
  max-width: 1120px;
  z-index: 1000;
  background: rgba(255, 255, 255, .55);
  backdrop-filter: blur(22px) saturate(1.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
  border: 1px solid rgba(12,192,223,.18);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 30px rgba(6,76,88,.08), 0 2px 6px rgba(6,76,88,.04);
  transition: box-shadow .25s, background-color .25s, top .25s;
}
nav.scrolled {
  background: rgba(255, 255, 255, .72);
  box-shadow: 0 14px 40px rgba(6,76,88,.14), 0 2px 6px rgba(6,76,88,.06);
}

.nav__header {
  padding: .6rem 1rem;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
}
.nav__logo { display: flex; align-items: center; gap: .5rem; }
.nav__logo img { max-width: 32px; }

@media (max-width: 792px) {
  nav { border-radius: var(--radius-lg); }
  .nav__menu__btn {
    font-size: 1.5rem;
    color: var(--eduspace-primary-deep);
    cursor: pointer;
    background: transparent;
    border: none;
  }
  .nav__links {
    position: absolute;
    top: calc(100% + 8px); left: 0;
    width: 100%;
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: rgba(6,76,88,.96);
    backdrop-filter: blur(14px);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 30px rgba(6,76,88,.20);
    transition: opacity .25s, transform .25s;
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
  }
  .nav__links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav__links a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--eduspace-white);
    padding: .65rem 0;
    width: 100%;
    text-align: center;
    border-radius: 8px;
  }
  .nav__links a:hover { background: rgba(255,255,255,.08); }
  .nav__btns { display: none; }
}

/* ------- Hero ------- */
.header {
  position: relative;
  background:
    radial-gradient(1100px 600px at 85% -20%, rgba(252,222,91,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(12,192,223,.20), transparent 55%),
    linear-gradient(180deg, #F5FBFD 0%, #FFFFFF 100%);
  margin: 0 0 var(--space-6);
  overflow: hidden;
  padding: calc(88px + var(--space-5)) var(--space-3) var(--space-5);
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.header__container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.header__title {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  text-align: left;
  margin-bottom: var(--space-2);
  letter-spacing: -.02em;
  color: var(--eduspace-black-2);
}
.header__title .accent {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.header__content { display: flex; flex-direction: column; gap: var(--space-2); }
.header__content .section__description {
  margin-bottom: var(--space-3);
  text-align: left;
  font-size: 1.125rem;
  max-width: 52ch;
}

.header__btns { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }

.header__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(12,192,223,.18);
}
.header__metric strong {
  display: block;
  font-size: 1.875rem;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}
.header__metric span {
  display: block;
  margin-top: 6px;
  font-size: .875rem;
  color: var(--eduspace-gray-2);
}

.header__image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.header__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}
.header__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(12,192,223,.16) 0%, transparent 45%, rgba(252,222,91,.20) 100%);
  pointer-events: none;
}

/* ------- About ------- */
.about__section {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  background: var(--eduspace-white);
  max-width: var(--max-width);
  margin: auto;
  padding: var(--space-9) var(--space-3);
  align-items: center;
}
.about__content { text-align: left; }
.about__content .section__header { text-align: left; margin-bottom: var(--space-3); }
.about__content p { color: var(--eduspace-gray-2); line-height: 1.8; font-size: 1.0625rem; }

.about__image img {
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/10;
}

/* ------- IoT Monitoring (NEW) ------- */
.iot {
  background: linear-gradient(180deg, #06323A 0%, #064C58 100%);
  color: var(--eduspace-white);
  padding: var(--space-9) var(--space-3);
  position: relative;
  overflow: hidden;
}
.iot::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(12,192,223,.20), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(252,222,91,.10), transparent 60%);
  pointer-events: none;
}
.iot__inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: center;
}
.iot .eyebrow {
  background: rgba(12,192,223,.20);
  color: #9EEAF6;
}
.iot__title {
  color: var(--eduspace-white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin: var(--space-2) 0 var(--space-3);
  letter-spacing: -.015em;
}
.iot__title .accent {
  background: linear-gradient(90deg, #0CC0DF, #FCDE5B);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.iot__lede { color: #C9E3E8; font-size: 1.0625rem; line-height: 1.75; margin-bottom: var(--space-3); max-width: 54ch; }

.iot__features { display: grid; gap: var(--space-2); margin-top: var(--space-3); }
.iot__feature {
  display: flex; gap: var(--space-2);
  padding: var(--space-2);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(12,192,223,.18);
  border-radius: var(--radius-sm);
  transition: transform .25s, border-color .25s, background .25s;
}
.iot__feature:hover {
  transform: translateY(-2px);
  border-color: rgba(12,192,223,.45);
  background: rgba(255,255,255,.07);
}
.iot__feature i {
  font-size: 1.5rem;
  color: var(--eduspace-primary);
  flex-shrink: 0;
  margin-top: 2px;
}
.iot__feature strong { display: block; color: var(--eduspace-white); margin-bottom: 4px; }
.iot__feature p { color: #B7CDD3; font-size: .9375rem; line-height: 1.55; margin: 0; }

.iot__visual {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.iot__visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.iot__visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(12,192,223,.25), transparent 50%, rgba(6,76,88,.45));
}

/* ------- Sustainability ------- */
.sustainability {
  position: relative;
  max-width: var(--max-width);
  margin: var(--space-9) auto;
  padding: 0 var(--space-3);
}
.sustainability__card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 380px;
  display: grid;
  align-items: end;
  padding: var(--space-6) var(--space-5);
  color: var(--eduspace-white);
  box-shadow: var(--shadow-lg);
}
.sustainability__card::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url("assets/sustainability.jpg");
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.sustainability__card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(6,76,88,.20) 0%, rgba(6,76,88,.85) 100%);
  z-index: 1;
}
.sustainability__card > * { position: relative; z-index: 2; }
.sustainability__card .eyebrow { background: rgba(255,255,255,.18); color: var(--eduspace-white); }
.sustainability__card .eyebrow i { color: var(--eduspace-secondary); }
.sustainability__card h2 { color: var(--eduspace-white); margin: var(--space-2) 0; font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
.sustainability__card p { max-width: 60ch; color: rgba(255,255,255,.92); font-size: 1.0625rem; line-height: 1.7; }

/* ------- Team ------- */
.team {
  padding: var(--space-9) 0;
  background: var(--eduspace-gray-6);
}
.team .row { max-width: var(--max-width); margin-inline: auto; }
.team .row#team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  padding: var(--space-5) var(--space-3) 0;
}
.team .card {
  background: var(--eduspace-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  text-align: center;
  padding: var(--space-3) var(--space-2);
  transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--eduspace-gray-5);
}
.team .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(12,192,223,.35); }
.team .card .img { display: flex; justify-content: center; margin-bottom: var(--space-2); }
.team .card .img img {
  width: 8rem; height: 8rem;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--eduspace-white);
  box-shadow: 0 0 0 3px var(--eduspace-primary);
}
.team .card h3 { margin: var(--space-1) 0; font-size: 1.0625rem; line-height: 1.3; color: var(--eduspace-black-2); }
.team .card p { color: var(--eduspace-gray-3); font-size: .9375rem; margin-bottom: var(--space-2); }
.team .card .icons a {
  margin: 0 8px;
  color: var(--eduspace-gray-2);
  font-size: 1.125rem;
  transition: color .25s;
}
.team .card .icons a:hover { color: var(--eduspace-primary); }

/* ------- Tools ------- */
.experience__container { padding-block: var(--space-9); }
.experience__container .section__header { max-width: 720px; margin-inline: auto; }
.experience__container .section__subtitle { text-align: center; color: var(--eduspace-gray-2); max-width: 60ch; margin: 0 auto var(--space-5); font-size: 1.0625rem; }

.experience__content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-3);
  max-width: var(--max-width);
  margin-inline: auto;
  margin-top: var(--space-5);
}
.experience__card {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--eduspace-white);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--eduspace-gray-5);
  text-align: left;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}
.experience__card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(12,192,223,.4); }

.experience__card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--brand-gradient-soft);
  color: var(--eduspace-primary-deep);
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}
.experience__card h4 { font-size: 1.125rem; font-weight: 600; color: var(--eduspace-black-2); margin-bottom: var(--space-1); }
.experience__card p { font-size: .9375rem; color: var(--eduspace-gray-2); line-height: 1.6; }

/* card-N margin hacks from old layout — neutralised */
.card-1, .card-2, .card-3, .card-4 { grid-column: auto; grid-row: auto; margin-left: 0; }

/* ------- Plans ------- */
.membership {
  background:
    linear-gradient(rgba(6,50,58,.85), rgba(6,76,88,.85)),
    url("assets/pack.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding-block: var(--space-9);
}
.membership__container .section__header { color: var(--eduspace-white); background: none; -webkit-text-fill-color: var(--eduspace-white); }
.membership__container .section__subtitle { text-align: center; color: rgba(255,255,255,.85); max-width: 60ch; margin: 0 auto var(--space-5); }

.membership__grid {
  margin-top: var(--space-5);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  max-width: 1100px;
  margin-inline: auto;
}

.membership__card {
  padding: var(--space-4);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .3s, border-color .3s, background .3s;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}
.membership__card:hover { transform: translateY(-6px); border-color: rgba(12,192,223,.55); background: rgba(255,255,255,.09); }
.membership__card.medium { border-color: rgba(252,222,91,.45); }
.membership__card.medium::before {
  content: "Más elegido";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--eduspace-secondary);
  color: var(--eduspace-black-2);
  font-size: .75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}
.membership__card { position: relative; }

.membership__card h4 {
  margin-bottom: var(--space-1);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--eduspace-white);
}
.membership__card > p {
  font-size: .875rem;
  color: var(--eduspace-secondary);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.membership__card ul {
  margin-bottom: var(--space-3);
  list-style: none;
  display: grid;
  gap: var(--space-1);
  flex: 1;
}
.membership__card li {
  display: flex;
  gap: 10px;
  color: rgba(255,255,255,.9);
  font-size: .9375rem;
  line-height: 1.5;
}
.membership__card li span:first-child {
  font-size: 1rem;
  font-weight: 600;
  color: var(--eduspace-primary);
  transition: color .25s;
  flex-shrink: 0;
  margin-top: 2px;
}
.membership__card:hover li span:first-child { color: var(--eduspace-secondary); }

.membership__card h3 {
  margin-bottom: var(--space-2);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--eduspace-white);
}
.membership__card h3 :is(sup, span) { font-size: 1.125rem; font-weight: 400; color: rgba(255,255,255,.75); }

/* ------- Testimonials (pure CSS marquee) ------- */
.client__container { padding-block: var(--space-9); }

.marquee {
  margin-top: var(--space-5);
  width: 100%;
  overflow: hidden;
  padding: var(--space-2) 0 var(--space-4);
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.marquee__track {
  display: flex;
  gap: var(--space-3);
  width: max-content;
  animation: marquee-scroll 50s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  flex: 0 0 360px;
  display: flex;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (max-width: 768px) {
  .marquee__item { flex-basis: 280px; }
  .marquee__track { animation-duration: 35s; }
}

.client__card {
  background: var(--eduspace-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--eduspace-gray-5);
  overflow: hidden;
  width: 100%;
  display: flex;
  flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  box-shadow: var(--shadow-sm);
}
.client__card:hover {
  transform: translateY(-4px);
  border-color: rgba(12,192,223,.45);
  box-shadow: var(--shadow-md);
}
.client__content {
  padding: var(--space-3);
  background: var(--eduspace-white);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.client__rating { margin-bottom: var(--space-1); color: var(--eduspace-secondary); }
.client__content p { color: var(--eduspace-gray-1); font-size: .9375rem; line-height: 1.65; }
.client__details {
  padding: var(--space-2) var(--space-3);
  background: var(--eduspace-white);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border-top: 1px solid var(--eduspace-gray-5);
}
.client__details img { max-width: 48px; border-radius: 50%; }
.client__details h4 { font-size: 1rem; font-weight: 600; color: var(--eduspace-black-2); margin: 0; }
.client__details h5 { font-size: .875rem; font-weight: 500; color: var(--eduspace-gray-3); margin: 0; }
.client__details img { object-fit: cover; height: 48px; }

/* ------- Contact ------- */
.contact__container { max-width: 800px; padding-block: var(--space-9); }
.contact__container .section__header { margin-bottom: var(--space-3); }

.contact-form {
  background: var(--eduspace-white);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--eduspace-gray-5);
  max-width: 100%;
  margin-inline: auto;
}

.contact-form form { display: grid; gap: var(--space-2); }
.form-row { display: grid; grid-template-columns: 1fr; gap: var(--space-3); margin-bottom: 0; }
.form-column { display: flex; flex-direction: column; gap: var(--space-2); }
.form-group { display: flex; flex-direction: column; gap: 6px; }

.input-message { line-height: 1.5; height: auto; }

.contact-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-align: center;
  margin-bottom: var(--space-3);
}

.button-contact-us {
  margin-top: var(--space-2);
  justify-self: start;
  padding: .875rem 2.5rem;
  font-size: 1rem;
}

/* ------- Dashboards ------- */
.dashboard-admin, .dashboard-education {
  max-width: var(--max-width);
  margin: var(--space-6) auto;
  padding: var(--space-6) var(--space-3);
  border-radius: var(--radius-lg);
  text-align: center;
}
.dashboard-admin {
  background: linear-gradient(135deg, rgba(252,222,91,.08), rgba(12,192,223,.05));
  border: 1px solid rgba(12,192,223,.15);
}
.dashboard-education {
  background: linear-gradient(135deg, rgba(12,192,223,.07), rgba(252,222,91,.06));
  border: 1px solid rgba(12,192,223,.15);
}
.dashboard-subtitle {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  display: block;
  max-width: 720px;
  margin: 0 auto var(--space-3);
  text-align: center;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dashboard-description {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--eduspace-gray-2);
  max-width: 720px;
  margin: 0 auto var(--space-4);
  text-align: center;
}
.mi-imagen {
  display: block;
  width: 100%;
  max-width: 920px;
  height: auto;
  margin: var(--space-4) auto 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* ------- Videos Section ------- */
.video__section {
  padding: var(--space-9) 0;
  background: var(--eduspace-gray-6); /* Fondo como la sección "team" */
}
.video__container {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  padding-inline: var(--space-3);
}
.video__container .section__subtitle {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--eduspace-gray-2);
  max-width: 600px;
  margin: 0 auto var(--space-4);
}
.video__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-5);
}
@media (width > 792px) {
  .video__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
  }
}
.video__card {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.video__card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--eduspace-black-2);
  margin-bottom: var(--space-2);
}
.video__wrapper {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  border: 2px solid rgba(12, 192, 223, 0.15);
  box-shadow: var(--shadow-md);
}
.video__wrapper:hover {
  transform: translateY(-4px);
  border-color: rgba(12, 192, 223, 0.45);
  box-shadow: var(--shadow-lg);
}

/* ------- Footer ------- */
footer {
  background: var(--eduspace-primary-deep);
  color: var(--eduspace-white);
  padding: var(--space-7) var(--space-3) var(--space-4);
}
.footer-container { max-width: var(--max-width); margin: 0 auto; }
.footer-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
.footer-col { padding: 0; transition: transform .3s; }
.footer-col:hover { transform: translateY(-3px); }
.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--eduspace-white);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid rgba(255,255,255,.18);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.footer-col ul li { margin: 8px 0; }
.footer-col ul li a {
  color: rgba(255,255,255,.78);
  font-size: .9375rem;
  transition: color .25s;
}
.footer-col ul li a:hover { color: var(--eduspace-secondary); }

/* ------- Back to top ------- */
#backToTop {
  display: none;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  font-size: 1.25rem;
  border: none;
  background: var(--eduspace-primary);
  color: var(--eduspace-white);
  cursor: pointer;
  border-radius: 50%;
  width: 48px; height: 48px;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 24px rgba(12,192,223,.35);
  transition: transform .25s, background-color .25s;
}
#backToTop:hover { background: var(--eduspace-primary-deep); transform: translateY(-3px); }
#backToTop i { pointer-events: none; }

/* ===== Breakpoints ===== */
@media (width > 540px) {
  .membership__grid { grid-template-columns: 1fr; }
}

@media (width > 792px) {
  nav {
    padding: .5rem .5rem .5rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
  }
  .nav__header { flex: 0 0 auto; width: auto; padding: 0; background: transparent; }
  .nav__btns { display: flex; gap: 8px; align-items: center; }
  .nav__btns .btn {
    padding: .55rem 1.15rem;
    font-size: .9rem;
    border-radius: var(--radius-pill);
    box-shadow: none;
    font-weight: 600;
  }
  .sign__up {
    color: var(--eduspace-white);
    background: var(--brand-gradient);
    background-size: 200% 100%;
    transition: background-position .4s, transform .2s, box-shadow .2s;
  }
  .sign__up:hover {
    background-position: 100% 0;
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(12,192,223,.35);
  }
  .language {
    background: transparent;
    color: var(--eduspace-primary-deep);
    border: 1.5px solid rgba(12,192,223,.35);
    box-shadow: none;
  }
  .language:hover { background: var(--eduspace-primary); color: var(--eduspace-white); border-color: var(--eduspace-primary); }

  .nav__links {
    position: static;
    padding: 0;
    display: flex;
    gap: 4px;
    background: transparent;
    transform: none;
  }
  .nav__links a {
    position: relative;
    padding: 8px 14px;
    color: var(--eduspace-gray-1);
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: .9rem;
    transition: color .2s, background-color .2s;
  }
  .nav__links a:hover {
    color: var(--eduspace-primary-deep);
    background: rgba(12,192,223,.10);
  }
  .nav__menu__btn { display: none; }

  .header { padding: calc(88px + var(--space-5)) var(--space-6) var(--space-5); }
  .header__container { grid-template-columns: 1.1fr 1fr; gap: var(--space-6); }
  .header__image { grid-column: 2; }
  .header__title, .header__content .section__description { text-align: left; }
  .header__btns { justify-content: flex-start; }

  .about__section { grid-template-columns: 1fr 1fr; gap: var(--space-6); max-width: var(--max-width); }
  .about__image { order: 2; }
  .about__content { order: 1; }

  .iot__inner { grid-template-columns: 1fr 1fr; gap: var(--space-6); }

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

  .form-row { grid-template-columns: 1fr 1fr; }

  .footer-row { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
}

@media (width > 1024px) {
  .membership__grid { gap: var(--space-4); }
  .membership__card { padding: var(--space-5); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms ease-out, transform 700ms ease-out;
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}