* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #1f4d4f, #4f8a8b);
  color: white;
}

/* EVITAR EFECTOS FEOS EN LINKS */
a {
  text-decoration: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

/* CONTENEDOR */
.container {
  max-width: 1200px;
  margin: auto;
  padding: 40px 20px 80px;
}

/* HEADER */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.1);
  padding: 12px 20px;
  border-radius: 30px;
  backdrop-filter: blur(10px);
  gap: 20px;
  flex-wrap: wrap;
}

/* LOGO SIN ESTILOS RAROS */
.logo,
.logo:link,
.logo:visited,
.logo:hover,
.logo:active {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 18px;
  letter-spacing: 0.2px;
  color: white;
  text-decoration: none;
  transition: all 0.25s ease;
}

.logo img {
  width: 40px;
  background: white;
  border-radius: 10px;
  padding: 5px;
  display: block;
  transition: all 0.25s ease;
}

.logo span {
  transition: all 0.25s ease;
}

/* HOVER PRO */
.logo:hover {
  transform: translateY(-2px);
  opacity: 0.95;
}

.logo:hover img {
  transform: scale(1.08) rotate(-2deg);
  box-shadow: 0 6px 14px rgba(0,0,0,0.25);
}

.logo:hover span {
  letter-spacing: 0.5px;
}

/* MENU */
.menu {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.menu a,
.menu a:link,
.menu a:visited,
.menu a:hover,
.menu a:active {
  color: white;
  text-decoration: none;
  font-size: 14px;
  transition: opacity 0.2s ease;
}

.menu a:hover {
  opacity: 0.8;
}

.menu a:focus,
.logo:focus {
  outline: none;
}

/* TELEGRAM */
.telegram {
  display: flex;
  align-items: center;
  gap: 6px;
}

.telegram img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
}

/* HERO */
.hero {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 60px 20px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  max-width: 900px;
  line-height: 1.1;
  margin: 0;
}

/* SECCIONES */
.section {
  margin-top: 60px;
}

.section-title {
  text-align: center;
  margin-bottom: 30px;
  font-size: 28px;
}

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

.info-card {
  background: rgba(255,255,255,0.1);
  padding: 25px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.08);
  transition: 0.2s;
}

.info-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.14);
}

.info-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 20px;
}

.info-card p {
  margin: 0;
  color: #e0e0e0;
  line-height: 1.5;
}

/* CTA */
.cta-section {
  margin-top: 60px;
  text-align: center;
  background: rgba(255,255,255,0.08);
  padding: 30px 20px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
}

.cta-section h2 {
  font-size: 30px;
  margin-bottom: 15px;
}

.cta-section p {
  max-width: 600px;
  margin: 0 auto 20px;
  color: #e0e0e0;
  line-height: 1.5;
}

/* BOTONES */
.btn {
  padding: 12px 20px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  font-weight: bold;
  background: #ffb400;
  color: black;
  transition: transform 0.2s ease;
}

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

.btn:disabled {
  background: grey;
  cursor: not-allowed;
  transform: none;
}

/* FOOTER */
.footer-box {
  margin-top: 50px;
  text-align: center;
  font-size: 14px;
  font-weight: bold;
  background: rgba(0,0,0,0.35);
  padding: 18px 25px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.15);
  max-width: 950px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.footer-box a {
  color: #ffffff;
  text-decoration: underline;
  font-weight: bold;
  margin-left: 8px;
}

.footer-box a:hover {
  opacity: 0.85;
}

/* TEST */
h1 {
  font-size: 48px;
  margin-bottom: 10px;
  margin-top: 20px;
}

.subtitle {
  color: #e0e0e0;
  margin-bottom: 30px;
  font-size: 20px;
}

.box {
  background: rgba(255,255,255,0.1);
  padding: 40px;
  border-radius: 22px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.option {
  padding: 22px 20px;
  border-radius: 14px;
  background: rgba(255,255,255,0.15);
  cursor: pointer;
  font-weight: bold;
  font-size: 20px;
  transition: 0.2s ease;
  border: 2px solid transparent;
}

.option:hover {
  background: rgba(255,255,255,0.25);
  transform: translateY(-2px);
}

.option.selected {
  background: #ffb400;
  color: black;
  border: 2px solid #ffb400;
}

/* INFERIOR */
.bottom-section {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: stretch;
}

.bottom-card,
.image-card {
  border-radius: 22px;
  overflow: hidden;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

.bottom-card {
  padding: 30px;
  text-align: left;
}

.bottom-card h2 {
  margin-top: 0;
  margin-bottom: 14px;
  font-size: 30px;
}

.bottom-card p {
  color: #e0e0e0;
  line-height: 1.7;
  margin-bottom: 16px;
  font-size: 16px;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: bold;
  color: #ffffff;
}

.image-card img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  display: block;
  filter: brightness(0.85);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .cards-grid {
    grid-template-columns: 1fr;
  }

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

  .bottom-section {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  h1 {
    font-size: 38px;
  }

  .subtitle {
    font-size: 18px;
  }

  .menu {
    gap: 14px;
  }

  .section-title,
  .cta-section h2 {
    font-size: 24px;
  }
}