/* =========================================================
   TOKENS / VARIABLES
========================================================= */
:root {
  --color-primary: #053752;
  --color-accent: #009EA4;
  --color-text-secondary: #3C4347;
  --color-white: #FFFFFF;
  --color-bg-dark: #171717;
  --color-overlay: rgba(10, 17, 22, 0.48);
  --color-border-light: rgba(5, 55, 82, 0.12);
  --color-text-on-dark: rgba(255, 255, 255, 0.92);

  --gradient-brand: linear-gradient(140deg, #053752 10%, #01edf5 100%);

  --font-display: "Butler", Georgia, serif;
  --font-body: "Barlow", Arial, sans-serif;

  --container-max: 1440px;
  --container-padding: 28px;

  --radius-soft: 2px;

  --transition-fast: 220ms ease;
  --transition-medium: 420ms ease;

  :root {

  /* velocidad del universo docencia */

  --constellation-speed-planets: 1.8;
  --constellation-speed-stars: 1;
  --constellation-speed-halo: 1.6;

}
}

/* =========================================================
   FONTS
========================================================= */
/* =========================================================
   FONTS
   Ubicación esperada:
   /assets/fonts/
========================================================= */

/* ===== BUTLER ===== */

@font-face {
  font-family: "Butler";
  src: url("../fonts/Butler_Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Butler";
  src: url("../fonts/Butler_Medium.woff") format("woff");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Butler";
  src: url("../fonts/Butler-Boldf.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Butler";
  src: url("../fonts/Butler_ExtraBold.woff") format("woff");
  font-weight: 900;
  font-style: bold;
  font-display: swap;
}



/* ===== BARLOW ===== */

@font-face {
  font-family: "Barlow";
  src: url("../fonts/Barlow-Light.woff2") format("woff2");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/Barlow-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/Barlow-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/Barlow-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Barlow";
  src: url("../fonts/Barlow-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}


.teaching-page {
  background:
    radial-gradient(circle at top left, rgba(0, 158, 164, 0.08), transparent 28%),
    linear-gradient(180deg, #111315 0%, #111315 54%, #0f161b 100%);
  color: var(--color-text-on-dark);
}

.teaching-page main {
  overflow: clip;
}

.teaching-page .gradient-text {
  background: linear-gradient(135deg, #ffffff 10%, #ffffff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.teaching-page .site-footer {
  margin-top: 0;
}

.teaching-hero {
  position: relative;
  padding: 180px 0 30px;
  
}

.teaching-hero__grid,
.teaching-intro__grid,
.teaching-feature__grid,
.teaching-section-heading--split {
  display: grid;
  gap: 48px;
}

.teaching-hero__grid {
  grid-template-columns: 1fr;
}

.teaching-intro__grid,
.teaching-feature__grid,
.teaching-section-heading--split {
  grid-template-columns: 0.5fr 0.5fr;
}

.teaching-hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
}

.teaching-hero__eyebrow,
.teaching-section-label {
  margin: 0 0 18px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.teaching-hero__title,
.teaching-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
}



.teaching-hero__title {
  max-width: 960px;
  font-size: clamp(3.1rem, 7vw, 5.4rem);
}

.teaching-section-title {
  font-size: clamp(2rem, 4vw, 3.6rem);
  color: rgba(255, 255, 255, 0.98);
}

.teaching-hero__lead,
.teaching-richtext p,
.dimension-card p,
.teaching-feature__content p,
.teaching-lab-card p,
.teaching-section-aside,
.teaching-hero__note p {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  
}

.teaching-hero__lead {
  max-width: 900px;
  margin-top: 28px;
}



.teaching-hero__aurora {
  position: absolute;
  border-radius: 999px;
  filter: blur(100px);
  opacity: 0.55;
  pointer-events: none;
}

.teaching-hero__aurora--1 {
  top: 72px;
  left: -120px;
  width: 340px;
  height: 340px;
  background: rgba(0, 158, 164, 0.26);
}

.teaching-hero__aurora--2 {
  top: 180px;
  right: 0;
  width: 420px;
  height: 260px;
  background: rgba(19, 112, 161, 0.18);
}

.teaching-intro, 
.teaching-constellation-section {
  padding: 0 0 50px;

}




.teaching-dimensions,
.teaching-feature,
.teaching-lab {
  padding: 0 0 120px;
}

.teaching-richtext {
  display: grid;
  gap: 20px;
}

.teaching-section-heading {
  margin-bottom: 32px;
}

.teaching-dimensions__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
}

.dimension-card,
.teaching-lab-card {
  min-height: 100%;
  padding: 28px 24px 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  transition:
    transform var(--transition-medium),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.dimension-card:hover,
.teaching-lab-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 158, 164, 0.5);
  background: linear-gradient(180deg, rgba(0,158,164,0.08), rgba(255,255,255,0.02));
}

.dimension-card__index {
  margin: 0 0 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.dimension-card--material h3 {
  color: #00d4e8;
}

.dimension-card--collective h3 {
  color: #37b8ff;
}

.dimension-card--empathetic h3 {
  color: #b7dd43;
}

.dimension-card--systemic h3 {
  color: #ffc400;
}

.dimension-card--speculative h3 {
  color: #ff2ca1;
}

.dimension-card h3,
.teaching-lab-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  line-height: 1.02;
  
}



.dimension-card--material {
  border-top: 1px solid #00d4e8;
}

.dimension-card--collective {
  border-top: 1px solid #37b8ff;
}

.dimension-card--empathetic {
  border-top: 1px solid #b7dd43;
}

.dimension-card--systemic {
  border-top: 1px solid #ffc400;
}

.dimension-card--speculative {
  border-top: 1px solid #ff2ca1;
}

.teaching-feature__media a {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.teaching-feature__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform var(--transition-medium);
}

.teaching-feature__media a:hover img {
  transform: scale(1.03);
}

.teaching-feature__play {
  position: absolute;
  left: 24px;
  bottom: 24px;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 17, 22, 0.56);
  backdrop-filter: blur(10px);
}

.teaching-feature__content {
  display: grid;
  align-content: center;
  gap: 20px;
}

.teaching-section-aside {
  max-width: 52ch;
}

.teaching-lab__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.teaching-lab-card__icon {
  display: inline-flex;
  margin-bottom: 18px;
  font-size: 1.1rem;
  color: var(--color-accent);
}

/* =========================================
   CONSTELACIÓN
========================================= */

/* =========================================
   TEACHING CONSTELLATION
========================================= */

.teaching-constellation-section .container {
  max-width: var(--container-max);
}

/* Stage */

.teaching-constellation-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1680 / 850;
  overflow: hidden;
  isolation: isolate;
  background: #05070b;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 15px;
}

/* Background */

.teaching-constellation-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(circle at 0% 100%, rgba(106,0,255,0.22), transparent 20%),
    radial-gradient(circle at 100% 8%, rgba(0,180,255,0.14), transparent 18%),
    radial-gradient(circle at 0% 0%, rgba(0,158,164,0.10), transparent 16%),
    linear-gradient(180deg,#02050a 0%,#05080d 55%,#03060a 100%);
}

/* Stars */



/* Aurora / halos */



/* System */

.constellation-system {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.constellation-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform: scale(0.82);
  transform-origin: center;
}

/* Orbits */

.teaching-orbits {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
}

/* Planets */

.planet {
  position: absolute;
  z-index: 3;
  transform: translate(-50%, -50%);
  transform-origin: center;
  will-change: transform;
  filter: drop-shadow(0 0 14px rgba(255,255,255,0.08));
}

/* Tus posiciones actuales */

.planet-empatica {
  left: 8.9%;
  top: 47.6%;
  width: 9.3%;
  animation: spin-ccw 28s linear infinite;
}

.planet-colectiva {
  left: 50%;
  top: 39.2%;
  width: 9.4%;
  animation: spin-cw 60s linear infinite;
}

.planet-prospectiva {
  left: 87%;
  top: 46.8%;
  width: 9.8%;
  animation: spin-cw 19s linear infinite;
}

.planet-sistemica {
  left: 25.4%;
  top: 62.8%;
  width: 11.4%;
  animation: spin-cw 60s linear infinite;
}

.planet-material {
  left: 75.6%;
  top: 63%;
  width: 8.3%;
  animation: spin-ccw 20s linear infinite;
}

/* Labels */

.constellation-label {
  position: absolute;
  z-index: 4;
  font-family: var(--font-body);
  font-weight: 200;
  font-size: clamp(14px, 1.45vw, 24px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: #fff;
  text-align: center;
}

.constellation-label span {
  display: block;
  font-size: clamp(29px, 1.8vw, 24px);
  font-weight: 700;
  font-family: var(--font-display);

  text-align: center;
}

/* Posiciones de labels */

.label-empatica {
  left: 2.3%;
  top: 28.8%;
  
}

.label-empatica span {
  color: #b7dd43;
}

.label-colectiva {
  left: 50%;
  top: 23.2%;
  transform: translateX(-50%);
 
}

.label-colectiva span {
  color: #37b8ff;
}

.label-prospectiva {
  left: 85.6%;
  top: 28.8%;
 
}

.label-prospectiva span {
  color: #ff2ca1;
}

.label-sistemica {
  left: 16.2%;
  top: 74.2%;
  
}

.label-sistemica span {
  color: #ffc400;
}

.label-material {
  left: 76.4%;
  top: 74.2%;
  
}

.label-material span {
  color: #00d4e8;
}

/* Credit */

.constellation-credit {
  position: absolute;
  right: 2.8%;
  bottom: 4.2%;
  z-index: 4;
  font-size: clamp(14px, .78vw, 13px);
  color: rgba(255,255,255,0.86);
  text-transform: uppercase;
  font-weight: 400;
   letter-spacing: 0.22em;
  

}

/* =========================================
   ANIMATIONS
========================================= */

@keyframes spin-cw {
  from {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes spin-ccw {
  from {
    transform: translate(-50%, -50%) rotate(360deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}



.teaching-constellation-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, #02050a 0%, #05080d 55%, #03060a 100%);
}

/* estrellas */

.teaching-constellation-stars {
  position: absolute;
  inset: -8%;
  pointer-events: none;
  opacity: 0.78;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.92) 0.7px, transparent 1.2px),
    radial-gradient(circle, rgba(255,255,255,0.72) 0.9px, transparent 1.5px),
    radial-gradient(circle, rgba(255,255,255,0.45) 1.1px, transparent 1.7px);
  background-size: 130px 130px, 210px 210px, 310px 310px;
  background-position: 0 0, 42px 68px, 110px 136px;
  will-change: transform;
  animation: constellationStarsFloat 18s linear infinite;
}

/* aurora */

.teaching-constellation-aurora {
  position: absolute;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.teaching-constellation-halo {
  position: absolute;
  width: 42vw;
  height: 42vw;
  min-width: 280px;
  min-height: 280px;
  max-width: 620px;
  max-height: 620px;
  border-radius: 50%;
  filter: blur(58px);
  opacity: 0.28;
  mix-blend-mode: screen;
  will-change: transform, opacity;
}

.teaching-constellation-halo--1 {
  background: radial-gradient(circle, rgba(0, 158, 164, 0.95) 0%, rgba(0, 158, 164, 0.22) 28%, transparent 68%);
  animation: constellationHalo1 16s ease-in-out infinite alternate;
}

.teaching-constellation-halo--2 {
  background: radial-gradient(circle, rgba(35, 132, 255, 0.82) 0%, rgba(35, 132, 255, 0.18) 30%, transparent 70%);
  animation: constellationHalo2 23s ease-in-out infinite alternate;
  animation-delay: -10s;
}

.teaching-constellation-halo--3 {
  background: radial-gradient(circle, rgba(92, 48, 185, 0.72) 0%, rgba(92, 48, 185, 0.16) 28%, transparent 72%);
  animation: constellationHalo3 29s ease-in-out infinite alternate;
  animation-delay: -6s;
}

@keyframes constellationStarsFloat {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(-12px, -18px, 0) scale(1.01);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes constellationHalo1 {
  0% {
    transform: translate(-12%, -8%) scale(1);
    opacity: 0.18;
  }
  100% {
    transform: translate(42vw, 16vh) scale(1.08);
    opacity: 0.30;
  }
}

@keyframes constellationHalo2 {
  0% {
    transform: translate(56vw, -6%) scale(1);
    opacity: 0.18;
  }
  100% {
    transform: translate(18vw, 38vh) scale(1.06);
    opacity: 0.28;
  }
}

@keyframes constellationHalo3 {
  0% {
    transform: translate(8vw, 42vh) scale(0.96);
    opacity: 0.16;
  }
  100% {
    transform: translate(-8vw, 6vh) scale(1.08);
    opacity: 0.24;
  }
}






/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 1200px) {
  .teaching-dimensions__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .teaching-hero__grid,
  .teaching-intro__grid,
  .teaching-feature__grid,
  .teaching-section-heading--split {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .teaching-lab__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .teaching-hero {
    padding: 144px 0 64px;
  }

  .teaching-intro,
  .teaching-constellation-section,
  .teaching-dimensions,
  .teaching-feature,
  .teaching-lab {
    padding: 0 0 72px;
  }

  .teaching-hero__title {
    max-width: 100%;
    font-size: clamp(2.65rem, 12vw, 4rem);
  }

  .teaching-section-title {
    font-size: clamp(1.85rem, 9vw, 2.9rem);
    line-height: 0.98;
  }

  .teaching-dimensions__grid {
    grid-template-columns: 1fr;
  }

  .dimension-card,
  .teaching-lab-card,
  .teaching-hero__note {
    padding: 22px 18px;
  }

  .teaching-feature__play {
    left: 16px;
    bottom: 16px;
  }

  .constellation-label {
    font-size: clamp(10px, 2.2vw, 14px);
  }

  .constellation-credit {
    font-size: 8px;
  }
}

@media (max-width: 560px) {
  .teaching-constellation-stage {
    aspect-ratio: 4 / 5;
  }
}


.teaching-constellation-bg::after {

  content:"";
  position:absolute;
  inset:0;

  background:
  radial-gradient(circle at 20% 80%, rgba(106,0,255,0.22), transparent 35%),
  radial-gradient(circle at 80% 10%, rgba(0,180,255,0.18), transparent 35%);

  filter: blur(90px);

  animation: aurora-drift 60s ease-in-out infinite alternate;

}

@keyframes aurora-drift {

  0% {
    transform: translateX(-40px);
  }

  100% {
    transform: translateX(40px);
  }

}


/* =========================================
   NEGATIVE FOOTER — TEACHING
========================================= */

.teaching-page .site-footer {
  background: transparent;
  margin-top: 0;
}

.teaching-page .site-footer__meta {
  background: transparent;
}

.teaching-page .site-footer__line {
  background: rgba(255, 255, 255, 0.12);
}

.teaching-page .site-footer__copy {
  color: rgba(255, 255, 255, 0.72);
}

.teaching-page .site-footer__social-link {
  color: rgba(255, 255, 255, 0.78);
}

.teaching-page .site-footer__social-link:hover {
  color: var(--color-accent);
}

.teaching-page .site-footer__mountain {
  margin-top: -24px;
}

/* opcional: si quieres que el blanco desaparezca por completo
   también en la franja antes de la montaña */
.teaching-page .site-footer__meta.container {
  padding-top: 0;
}


/* =========================================
   VIDEO LIGHTBOX
========================================= */

.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 260ms ease,
    visibility 260ms ease;
}

.video-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(106, 0, 255, 0.16), transparent 30%),
    radial-gradient(circle at 80% 10%, rgba(0, 180, 255, 0.14), transparent 28%),
    rgba(4, 8, 12, 0.84);
  backdrop-filter: blur(8px);
}

.video-lightbox__dialog {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100vw - 48px));
  transform: translateY(18px) scale(0.985);
  transition: transform 260ms ease;
}

.video-lightbox.is-open .video-lightbox__dialog {
  transform: translateY(0) scale(1);
}

.video-lightbox__frame-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #000;
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.video-lightbox__frame-wrap iframe {
  display: block;
  width: 100%;
  height: 100%;
}

.video-lightbox__close {
  position: absolute;
  top: -44px;
  right: 0;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.9);
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
  transition: color 180ms ease, transform 180ms ease;
}

.video-lightbox__close:hover {
  color: #ffffff;
  transform: scale(1.06);
}

body.video-lightbox-open {
  overflow: hidden;
}

@media (max-width: 720px) {
  .video-lightbox__dialog {
    width: calc(100vw - 24px);
  }

  .video-lightbox__close {
    top: -38px;
    font-size: 30px;
  }
}