/* ============================================================
   JIB — Jornadas de Ingeniería Biomédica
   Hoja de estilos principal
   ============================================================ */

@font-face {
  font-family: 'Campus Light';
  src: url('../fonts/campus/Campus_Light.otf') format('opentype');
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto/Roboto-Light.ttf') format('truetype');
  font-weight: 300;
  font-style: normal;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto/Roboto-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto/Roboto-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/roboto/Roboto-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
}

/* ---------- Custom Properties (Design Tokens) ---------- */
:root {
  /* Colors — extracted from fondo.jpeg (dark teal/cyan holographic) */
  --color-bg-dark: #091c2a;
  --color-bg-dark-2: #0F3C4A;
  --color-bg-navy: #1a6b7a;
  --color-bg-light: #ecf5f6;
  --color-bg-white: #ffffff;
  --color-accent: #A5E0EC;
  --color-accent-glow: rgba(64, 224, 208, .25);
  --color-accent-2: #4E96AA;
  --color-coral: #5ecfbf;

  --color-text-light: #e0f0f4;
  --color-text-dark: #0e2430;
  --color-text-muted: #6a9caa;
  --color-glass: rgba(9, 28, 42, .70);
  --color-glass-border: rgba(64, 224, 208, .18);
  --color-card-dark: rgba(13, 38, 56, .78);
  --color-card-light: #ffffff;
  --color-overlay: rgba(9, 28, 42, .72);

  /* Typography */
  --font-body: 'Roboto', system-ui, sans-serif;
  --font-heading: 'Space Grotesk', var(--font-body);
  --fs-xs: .75rem;
  --fs-sm: .875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.5rem;
  --fs-xl: 2rem;
  --fs-2xl: 2.75rem;
  --fs-3xl: 3.5rem;
  --fs-hero: clamp(2.5rem, 6vw, 5rem);

  /* Spacing */
  --sp-xs: .5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;
  --section-py: clamp(4rem, 8vw, 7rem);

  /* Misc */
  --radius-sm: .5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --shadow-card: 0 8px 32px rgba(0, 0, 0, .18);
  --shadow-glow: 0 0 20px var(--color-accent-glow);
  --transition: .3s cubic-bezier(.4, 0, .2, 1);
  --nav-height: 72px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text-dark);
  background: var(--color-bg-white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  font-weight: 700;
}

/* ---------- Utility ---------- */
.container {
  width: min(90%, 1200px);
  margin-inline: auto;
}

.section-title {
  font-size: var(--fs-2xl);
  text-align: center;
  margin-bottom: var(--sp-lg);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-accent);
  margin: var(--sp-sm) auto 0;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  max-width: 650px;
  margin: 0 auto var(--sp-xl);
  font-size: var(--fs-md);
}

/* Dark section variant */
.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-light);
}

.section--dark .section-title::after {
  background: var(--color-accent);
}

.section--dark .section-subtitle {
  color: rgba(232, 237, 243, .6);
}

/* Light alternate bg */
.section--alt {
  background: var(--color-bg-light);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .5s var(--transition), transform .5s var(--transition);
}

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

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  z-index: 1000;
  padding-inline: 5%;
  transition: background var(--transition), box-shadow var(--transition), height var(--transition);
}

.navbar.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, .3);
  height: 60px;
}

.navbar__logo {
  font-family: 'Campus Light', var(--font-heading);
  font-size: 2.4rem;
  font-weight: normal;
  color: #fff;
  letter-spacing: 2px;
  flex-shrink: 0;
}



.navbar__links {
  display: flex;
  gap: var(--sp-md);
  margin-left: auto;
}

.navbar__links a {
  color: rgba(255, 255, 255, .8);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding: .35rem .1rem;
  position: relative;
  transition: color var(--transition);
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.navbar__links a:hover,
.navbar__links a.active {
  color: #fff;
}

.navbar__links a:hover::after,
.navbar__links a.active::after {
  width: 100%;
}

/* Hamburger */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
  z-index: 1001;
}

.navbar__hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

.navbar__hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.navbar__hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO (Inicio)
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(9, 28, 42, .85) 0%, rgba(13, 38, 56, .68) 40%, rgba(64, 224, 208, .08) 100%),
    url('../assets/img/fondo.jpeg');
  background-size: cover;
  background-position: center;
}

.hero__particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero__particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-accent);
  opacity: .5;
  animation: float-particle linear infinite;
}

.hero__particles span:nth-child(1) {
  left: 10%;
  animation-duration: 18s;
  animation-delay: 0s;
}

.hero__particles span:nth-child(2) {
  left: 25%;
  animation-duration: 22s;
  animation-delay: 2s;
}

.hero__particles span:nth-child(3) {
  left: 40%;
  animation-duration: 16s;
  animation-delay: 4s;
}

.hero__particles span:nth-child(4) {
  left: 55%;
  animation-duration: 20s;
  animation-delay: 1s;
}

.hero__particles span:nth-child(5) {
  left: 70%;
  animation-duration: 24s;
  animation-delay: 3s;
}

.hero__particles span:nth-child(6) {
  left: 85%;
  animation-duration: 19s;
  animation-delay: 5s;
}

.hero__particles span:nth-child(7) {
  left: 15%;
  animation-duration: 21s;
  animation-delay: 6s;
  width: 3px;
  height: 3px;
}

.hero__particles span:nth-child(8) {
  left: 60%;
  animation-duration: 17s;
  animation-delay: 2s;
  width: 5px;
  height: 5px;
}

.hero__particles span:nth-child(9) {
  left: 80%;
  animation-duration: 23s;
  animation-delay: 4s;
  width: 3px;
  height: 3px;
}

.hero__particles span:nth-child(10) {
  left: 35%;
  animation-duration: 25s;
  animation-delay: 1s;
  width: 6px;
  height: 6px;
  opacity: .3;
}

@keyframes float-particle {
  0% {
    transform: translateY(110vh) scale(0);
    opacity: 0;
  }

  10% {
    opacity: .6;
  }

  90% {
    opacity: .6;
  }

  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: var(--sp-xl);
  margin-top: 4rem;
}

.hero__badge {
  display: inline-block;
  background: rgba(0, 212, 255, .15);
  border: 1px solid rgba(0, 212, 255, .3);
  color: var(--color-accent);
  padding: .4rem 1.2rem;
  border-radius: 50px;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
  animation: fadeInDown .8s ease-out;
}

.hero__title {
  font-size: var(--fs-hero);
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: var(--sp-sm);
  animation: fadeInUp .8s ease-out .2s both;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent), #a0f0f4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--fs-lg);
  font-weight: 300;
  opacity: .85;
  margin-bottom: var(--sp-md);
  animation: fadeInUp .8s ease-out .4s both;
}

.hero__meta {
  display: flex;
  gap: var(--sp-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-lg);
  animation: fadeInUp .8s ease-out .8s both;
}

.hero__meta-item {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-md);
  opacity: .8;
}

.hero__meta-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-weight: 600;
  font-size: var(--fs-md);
  padding: .9rem 2.2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  animation: fadeInUp .8s ease-out 1s both;
}

.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(61, 214, 229, .4);
}

.hero__cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__cta--outline {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  box-shadow: none;
}

.hero__cta--outline:hover {
  background: rgba(61, 214, 229, 0.1);
  box-shadow: none;
}

/* Countdown */
.hero__countdown {
  display: flex;
  gap: var(--sp-md);
  justify-content: center;
  margin-bottom: var(--sp-lg);
  animation: fadeInUp .8s ease-out .6s both;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-glass-border);
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  min-width: 80px;
}

.countdown-item span {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.countdown-item small {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
  margin-top: .25rem;
}



@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   SOBRE LAS JIB
   ============================================================ */
.sobre {
  padding: var(--section-py) 0;
}

.sobre__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: center;
}

.sobre__features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-lg);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  background: var(--color-bg-light);
  padding: var(--sp-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 212, 255, .05);
  transition: transform var(--transition);
}

.feature-item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 212, 255, .15);
}

.feature-icon {
  flex-shrink: 0;
  color: var(--color-accent);
  background: rgba(0, 212, 255, .1);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--color-text-dark);
}

.feature-content p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.4;
  margin: 0;
}

.sobre__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}

.stat-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
  text-align: center;
  border: 1px solid rgba(0, 212, 255, .08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.stat-card__number {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: var(--color-bg-navy);
  display: block;
}

.stat-card__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: .25rem;
}

/* ============================================================
   CHARLAS
   ============================================================ */
.charlas {
  padding: var(--section-py) 0;
}

.charlas__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-lg);
}

.talleres__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-lg);
  max-width: 1100px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .talleres__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.workshop-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.workshop-card .speaker-card__name {
  color: #111111;
  font-weight: 700;
  margin-top: 0.5rem;
}

.workshop-card .speaker-card__role {
  color: #555555;
}

.talleres-placeholder {
  width: 100%;
  height: 100%;
  background: #e0e0e0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #888;
  font-weight: 500;
}

.speaker-card {
  background: var(--color-card-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-glass-border);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.speaker-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.speaker-card__img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: saturate(.85);
  transition: filter var(--transition);
}

.speaker-card:hover .speaker-card__img {
  filter: saturate(1);
}

.speaker-card__body {
  padding: var(--sp-md);
}

.speaker-card__topic {
  display: inline-block;
  background: rgba(0, 212, 255, .12);
  color: var(--color-accent);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: .25rem .75rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: .75rem;
}

.speaker-card__name {
  font-size: var(--fs-lg);
  color: #fff;
  margin-bottom: .35rem;
}

.speaker-card__role {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   TALLERES
   ============================================================ */
.talleres {
  padding: var(--section-py) 0;
}



/* Featured single-workshop layout */
.workshop-featured {
  display: grid;
  grid-template-columns: 2fr 3fr;
  /* Hace la imagen un poco más estrecha que el texto */
  gap: 0;
  max-width: 900px;
  /* Limita el ancho total de la tarjeta */
  margin: 0 auto;
  /* Centra la tarjeta */
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, .06);
  cursor: pointer;
  box-shadow: var(--shadow-card);
  position: relative;
}

.workshop-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
  z-index: 1;
}

.workshop-featured__img-wrap {
  position: relative;
  min-height: 250px;
  /* Reduce la altura mínima */
  overflow: hidden;
}

.workshop-featured__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}

.workshop-featured:hover .workshop-featured__img-wrap img {
  transform: scale(1.05);
}

.workshop-featured__content {
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.workshop-featured__title {
  font-size: var(--fs-xl);
  margin-bottom: var(--sp-sm);
  color: var(--color-bg-dark);
}

.workshop-featured__desc {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-md);
  line-height: 1.7;
  text-align: justify;
}

@media (max-width: 768px) {
  .workshop-featured {
    grid-template-columns: 1fr;
  }

  .workshop-featured__img-wrap {
    min-height: 220px;
  }
}

.workshop-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
  border: 1px solid rgba(0, 0, 0, .06);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.workshop-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-2));
}

.workshop-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.workshop-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, .1);
  margin-bottom: var(--sp-sm);
  font-size: 1.6rem;
}

.workshop-card__title {
  font-size: var(--fs-lg);
  margin-bottom: .5rem;
  color: var(--color-bg-dark);
}

.workshop-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--sp-sm);
  line-height: 1.6;
}

.workshop-card__meta {
  display: flex;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}

.workshop-card__tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: var(--fs-xs);
  background: var(--color-bg-light);
  padding: .3rem .7rem;
  border-radius: 50px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================================
   TESTIMONIOS
   ============================================================ */
.testimonios {
  padding: var(--section-py) 0;
}

.testimonios__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-lg);
  align-items: stretch;
}

@media (min-width: 1024px) {
  .testimonios__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .testimonial-card:first-child {
    grid-column: 1;
    grid-row: 1 / span 2;
  }
}

.testimonial-card {
  background: var(--color-card-dark);
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
  border: 1px solid var(--color-glass-border);
  position: relative;
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

.testimonial-card__quote {
  position: absolute;
  top: var(--sp-md);
  left: var(--sp-md);
  font-size: 4rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: .2;
  font-family: Georgia, serif;
}

.testimonial-card__text {
  font-size: var(--fs-base);
  line-height: 1.7;
  color: rgba(232, 237, 243, .85);
  margin-bottom: var(--sp-md);
  font-style: italic;
  position: relative;
  z-index: 1;
  text-align: justify;
  flex-grow: 1;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.testimonial-card__name {
  font-weight: 600;
  color: #fff;
  font-size: var(--fs-sm);
}

.testimonial-card__role {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   EMPRESAS
   ============================================================ */
.empresas {
  padding: var(--section-py) 0;
}

.empresas__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-lg);
  align-items: center;
  margin: 0 auto;
}

.empresas__slider {
  display: flex;
  gap: var(--sp-lg);
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  padding: 20px 0;
  scrollbar-width: none;
}

.empresas__slider::-webkit-scrollbar {
  display: none;
}

.slider-btn {
  background: var(--color-bg-white);
  border: 1px solid var(--color-glass-border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  color: var(--color-text-dark);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: all 0.2s ease;
}

.slider-btn:hover {
  background: var(--color-bg-navy);
  color: var(--color-bg-white);
}

.slider-btn-prev {
  left: -20px;
}

.slider-btn-next {
  right: -20px;
}

.empresa-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  scroll-snap-align: start;
  flex-shrink: 0;
  width: 160px;
  height: 90px;
  padding: var(--sp-sm);
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, .06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.empresa-logo a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.empresa-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.empresa-logo:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-card);
}

/* ============================================================
   GALERÍA
   ============================================================ */
.galeria {
  padding: var(--section-py) 0;
}

.galeria__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-sm);
}

.galeria__item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.galeria__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.galeria__item:hover img {
  transform: scale(1.08);
}

.galeria__item::after {
  content: '⤢';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
  background: rgba(11, 31, 46, .5);
  opacity: 0;
  transition: opacity var(--transition);
}

.galeria__item:hover::after {
  opacity: 1;
}

/* Gallery CTA */
.galeria__cta-wrapper {
  text-align: center;
  margin-top: var(--sp-xl);
}

.galeria__cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-weight: 600;
  font-size: var(--fs-md);
  padding: .9rem 2.2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.galeria__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(61, 214, 229, .4);
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto {
  padding: var(--section-py) 0;
}

.contacto__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
}

.contacto__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.form-group {
  position: relative;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1rem .75rem;
  border: 1px solid rgba(0, 212, 255, .15);
  background: rgba(13, 33, 55, .4);
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group label {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  pointer-events: none;
  transition: var(--transition);
}

.form-group input:focus~label,
.form-group input:not(:placeholder-shown)~label,
.form-group textarea:focus~label,
.form-group textarea:not(:placeholder-shown)~label {
  top: -.65rem;
  left: .75rem;
  font-size: var(--fs-xs);
  color: var(--color-accent);
  background: var(--color-bg-dark);
  padding: 0 .3rem;
}

.btn-submit {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--color-accent), #0099cc);
  color: #fff;
  border: none;
  padding: .85rem 2.4rem;
  border-radius: 50px;
  font-size: var(--fs-base);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 212, 255, .35);
}

.contacto__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

.contacto__info-item {
  display: flex;
  gap: var(--sp-sm);
  align-items: flex-start;
}

.contacto__info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, .1);
  color: var(--color-accent);
  font-size: 1.2rem;
}

.contacto__info-title {
  font-weight: 600;
  color: #fff;
  margin-bottom: .15rem;
}

.contacto__info-text {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
}

.contacto__socials {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}

.contacto__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: 100%;
  padding: .85rem 1.5rem;
  border-radius: var(--radius-md);
  color: var(--color-accent);
  background: rgba(0, 212, 255, .05);
  border: 1px solid rgba(0, 212, 255, .15);
  font-weight: 600;
  font-size: var(--fs-md);
  transition: all var(--transition);
  text-decoration: none;
}

.contacto__social-link:hover {
  transform: translateY(-4px);
  background: rgba(0, 212, 255, .12);
  border-color: rgba(0, 212, 255, .3);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.15);
  color: #fff;
}

.contacto__social-link svg {
  flex-shrink: 0;
}

/* ---- MAP LIGHTBOX ---- */

.map-expand-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  background: var(--color-glass);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.map-expand-btn:hover {
  background: var(--color-accent);
  color: var(--color-bg-dark);
}

.map-lightbox {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(11, 31, 46, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.map-lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.map-lightbox__content {
  width: 90vw;
  height: 80vh;
  max-width: 1200px;
  background: var(--color-bg-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 0 60px rgba(61, 214, 229, .2);
  border: 2px solid rgba(0, 212, 255, .3);
}

.map-lightbox__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 2px solid rgba(255, 255, 255, .3);
  color: #fff;
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 3001;
}

.map-lightbox__close:hover {
  background: rgba(255, 255, 255, .1);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: linear-gradient(180deg, var(--color-bg-dark) 0%, #060e1a 100%);
  color: rgba(232, 237, 243, .5);
  padding: var(--sp-xl) 0 var(--sp-lg);
  text-align: center;
  font-size: var(--fs-sm);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.footer__logo {
  font-family: 'Campus Light', var(--font-heading);
  font-size: 3.1rem;
  font-weight: normal;
  color: #fff;
  letter-spacing: 2px;
}

.footer__links {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__links a {
  color: rgba(232, 237, 243, .5);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__copy {
  margin-top: var(--sp-sm);
  border-top: 1px solid rgba(255, 255, 255, .06);
  padding-top: var(--sp-sm);
  width: 100%;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .sobre__grid {
    grid-template-columns: 1fr;
  }

  .contacto__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    background: var(--color-bg-dark);
    padding: calc(var(--nav-height) + var(--sp-lg)) var(--sp-lg) var(--sp-lg);
    gap: var(--sp-sm);
    transition: right var(--transition);
    box-shadow: -8px 0 30px rgba(0, 0, 0, .5);
  }

  .navbar__links.open {
    right: 0;
  }

  .navbar__links a {
    font-size: var(--fs-base);
    padding: .5rem 0;
  }

  .navbar__hamburger {
    display: flex;
  }

  .hero__title {
    letter-spacing: 0;
  }

  .hero__meta {
    flex-direction: column;
    align-items: center;
    gap: var(--sp-sm);
  }

  .charlas__grid,
  .talleres__grid,
  .testimonios__grid {
    grid-template-columns: 1fr;
  }

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

  .section-title {
    font-size: var(--fs-xl);
  }

  .sobre__text,
  .section-subtitle {
    padding-inline: 1rem;
  }

  p {
    font-size: var(--fs-base);
    text-align: justify;
  }



  .sobre__features {
    grid-template-columns: 1fr;
  }

  /* Responsive fixes */
  .hero__countdown {
    gap: var(--sp-sm); /* reduce gap to 1rem */
  }
  .countdown-item {
    min-width: 70px;
    padding: 0.5rem;
  }
  .countdown-item span {
    font-size: 1.6rem;
  }
  .hero__content {
    padding: var(--sp-sm);
  }
}

@media (max-width: 480px) {
  .navbar__logo {
    font-size: 1.8rem;
  }

  .hero__countdown {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-sm);
    width: 100%;
    max-width: 280px;
    margin-inline: auto;
  }

  /* .sobre__stats deleted to keep 2x2 default on mobile */

  .galeria__grid {
    grid-template-columns: 1fr;
  }

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

/* ============================================================
   VOLUNTEER MODAL
   ============================================================ */
.volunteer-modal {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(9, 28, 42, .85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
  padding: 1rem;
}

.volunteer-modal.show {
  opacity: 1;
  visibility: visible;
}

.volunteer-modal__content {
  background: var(--color-bg-dark-2);
  border: 1px solid var(--color-glass-border);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .4), 0 0 20px var(--color-accent-glow);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: translateY(30px);
  transition: transform .5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.volunteer-modal.show .volunteer-modal__content {
  transform: translateY(0);
}

.volunteer-modal__close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--transition);
}

.volunteer-modal__close:hover {
  color: #fff;
}

.volunteer-modal__title {
  font-size: var(--fs-xl);
  color: #fff;
  margin-bottom: 1rem;
}

.volunteer-modal__text {
  color: var(--color-text-light);
  font-size: var(--fs-md);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.volunteer-modal__btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  color: #fff;
  font-weight: 600;
  font-size: var(--fs-md);
  padding: .85rem 2rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}

.volunteer-modal__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(61, 214, 229, .3);
}

/* ============================================================
   TALK MODAL (Resumen Charlas)
   ============================================================ */
.talk-modal {
  position: fixed;
  inset: 0;
  z-index: 4000;
  background: rgba(9, 28, 42, .9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
  padding: 1rem;
}

.talk-modal.open {
  opacity: 1;
  visibility: visible;
}

.talk-modal__content {
  background: var(--color-bg-dark-2);
  border: 1px solid var(--color-glass-border);
  box-shadow: 0 10px 50px rgba(0, 0, 0, .5), 0 0 30px rgba(61, 214, 229, 0.1);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 92%;
  position: relative;
  transform: translateY(30px) scale(0.95);
  transition: transform .4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 90vh;
}

.talk-modal.open .talk-modal__content {
  transform: translateY(0) scale(1);
}

.talk-modal__close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: rgba(0, 0, 0, 0.4);
  border: none;
  color: #fff;
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  z-index: 10;
}

.talk-modal__close:hover {
  background: rgba(61, 214, 229, 0.3);
}

.talk-modal__header {
  position: relative;
  width: 100%;
  height: 220px;
  background: var(--color-bg-dark);
}

.talk-modal__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.talk-modal__topic {
  position: absolute;
  bottom: 1rem;
  left: 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg-navy);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: .35rem 1rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .5px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.talk-modal__body {
  padding: 2.5rem 3.5rem;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .talk-modal__body {
    padding: 2rem 1.5rem;
  }
}

.talk-modal__title {
  font-size: var(--fs-xl);
  color: #fff;
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.talk-modal__author {
  font-size: var(--fs-sm);
  color: var(--color-accent);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.talk-modal__desc {
  color: var(--color-text-light);
  font-size: var(--fs-base);
  line-height: 1.7;
  text-align: justify;
}

.talk-modal__desc p {
  margin-bottom: 1rem;
}
.talk-modal__desc p:last-child {
  margin-bottom: 0;
}

.talk-modal__desc ul {
  list-style-type: none;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.talk-modal__desc li {
  position: relative;
  margin-bottom: 0.5rem;
}

.talk-modal__desc li::before {
  content: '•';
  color: var(--color-accent);
  position: absolute;
  left: -1.2rem;
  font-size: 1.2rem;
  line-height: 1.3;
}

.speaker-card__summary,
.workshop-card__summary {
  display: none;
}

/* ----------------------------------------------------
   MODO TALLER PARA EL MODAL (Fondo Blanco)
   ---------------------------------------------------- */
.talk-modal.workshop-mode {
  background: rgba(236, 245, 246, 0.92);
}
.talk-modal.workshop-mode .talk-modal__content {
  background: var(--color-bg-white);
  border: 1px solid rgba(0,0,0,0.1);
  box-shadow: 0 10px 50px rgba(0, 0, 0, .2);
}
.talk-modal.workshop-mode .talk-modal__header {
  background: var(--color-bg-light);
}
.talk-modal.workshop-mode .talk-modal__title {
  color: var(--color-bg-dark);
}
.talk-modal.workshop-mode .talk-modal__author {
  color: var(--color-bg-navy);
  font-weight: 600;
}
.talk-modal.workshop-mode .talk-modal__desc {
  color: var(--color-text-dark);
}
.talk-modal.workshop-mode .talk-modal__close {
  background: rgba(0, 0, 0, 0.1);
  color: var(--color-text-dark);
}
.talk-modal.workshop-mode .talk-modal__close:hover {
  background: rgba(0, 0, 0, 0.3);
}
.talk-modal.workshop-mode .talk-modal__desc li::before {
  color: var(--color-bg-navy);
}

.talk-modal__btn {
  display: inline-block;
  margin-top: 1.5rem;
  background: var(--color-accent);
  color: var(--color-bg-navy);
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-decoration: none;
  font-size: var(--fs-base);
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}
.talk-modal__btn:hover {
  background: var(--color-bg-white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.talk-modal.workshop-mode .talk-modal__btn {
  background: var(--color-bg-navy);
  color: var(--color-bg-white);
}
.talk-modal.workshop-mode .talk-modal__btn:hover {
  background: var(--color-bg-dark);
}