:root {
  --color-bg: #050016;
  --color-bg-alt: #090321;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-text-soft: #6b7280;
  --color-accent: #ff2e7a; /* magenta similar a cordobia */
  --color-accent-soft: #fce7f3;
  --color-accent-secondary: #23c4ff; /* azul/verde para pequeños acentos */
  --color-border: #e5e7eb;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.35);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.3s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: radial-gradient(circle at top left, #25114a 0, var(--color-bg) 35%, #02000b 100%);
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 90px 0;
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--color-accent-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 600;
}

.section-heading span {
  width: 32px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
}

.section-title {
  font-size: clamp(1.9rem, 2.7vw, 2.25rem);
  color: #f9fafb;
  margin: 0 0 0.75rem;
}

.section-description {
  max-width: 640px;
  color: #e5e7eb;
  font-size: 0.95rem;
  line-height: 1.7;
}

.section-light {
  background: #f9fafb;
}

.section-light .section-title {
  color: #0f172a;
}

.section-light .section-description {
  color: var(--color-text-soft);
}

/* Header & navegación */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(5, 0, 22, 0.96), rgba(5, 0, 22, 0.86));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: #f9fafb;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.logo-mark {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, var(--color-accent-secondary), var(--color-accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: #0b0420;
  font-weight: 700;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  font-size: 0.85rem;
  color: #e5e7eb;
}

.main-nav a {
  position: relative;
  padding-bottom: 0.3rem;
}

.main-nav a::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-secondary));
  transition: transform var(--transition-fast);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-toggle {
  display: none;
  border: none;
  background: none;
  color: #e5e7eb;
  font-size: 1.35rem;
  cursor: pointer;
}

/* Banner superior tipo slider */

.banner-slider {
  width: 100%;
  overflow: hidden;
  background: #020617;
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.banner-slider-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Botones */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: none;
  padding: 0.7rem 1.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent), #ff6b9f);
  color: #fff;
  box-shadow: 0 18px 40px rgba(248, 113, 150, 0.4);
}

.btn-primary:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 22px 50px rgba(248, 113, 150, 0.55);
}

.btn-outline-light {
  background: transparent;
  color: #e5e7eb;
  border: 1px solid rgba(148, 163, 184, 0.55);
}

.btn-outline-light:hover {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(248, 250, 252, 0.7);
}

.btn-sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.8rem;
}

/* Hero */

.hero {
  padding: 100px 0 90px;
  color: #f9fafb;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -60px;
  background:
    radial-gradient(circle at 10% 10%, rgba(56, 189, 248, 0.1), transparent 55%),
    radial-gradient(circle at 90% 0, rgba(248, 113, 150, 0.18), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 3rem;
  align-items: center;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  padding: 0.25rem 0.85rem 0.25rem 0.3rem;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(148, 163, 184, 0.5);
  backdrop-filter: blur(10px);
}

.hero-kicker-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-accent-secondary), var(--color-accent));
  color: #020617;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero-kicker-text {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.hero-title {
  font-size: clamp(2.3rem, 4vw, 3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

.hero-title span {
  background: linear-gradient(120deg, #f97316, #f97316, var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  max-width: 480px;
  font-size: 0.98rem;
  color: #e5e7eb;
  line-height: 1.7;
  margin-bottom: 1.6rem;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.8rem;
  font-size: 0.85rem;
}

.hero-meta-item {
  padding: 0.85rem 1rem;
  border-radius: 0.9rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.4);
}

.hero-meta-label {
  display: block;
  color: #9ca3af;
  margin-bottom: 0.1rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.hero-meta-value {
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 1.6rem;
}

.hero-note {
  font-size: 0.8rem;
  color: #cbd5f5;
}

.hero-note strong {
  color: #e5e7eb;
  font-weight: 500;
}

.hero-media {
  position: relative;
}

.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.15), transparent 55%), var(--color-card);
  padding: 1.3rem 1.5rem 3rem;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-tagline {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: #111827;
}

.hero-card-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  margin-bottom: 1.1rem;
}

.hero-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  font-size: 0.85rem;
}

.hero-card-item {
  padding: 0.8rem 0.8rem;
  border-radius: 0.7rem;
  background: #f3f4ff;
}

.hero-card-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #6b7280;
  margin-bottom: 0.15rem;
}

.hero-card-value {
  font-weight: 500;
  color: #111827;
}

.hero-badges {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.72rem;
  color: #6b7280;
}

.hero-badge {
  border-radius: 999px;
  padding: 0.25rem 0.65rem;
  background: #eff6ff;
}

.hero-ribbon {
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: #6b7280;
  border-top: 1px dashed rgba(148, 163, 184, 0.6);
  padding-top: 0.75rem;
}

.hero-ribbon span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.hero-ribbon span strong {
  color: #111827;
  font-weight: 600;
}

.hero-ribbon .pill {
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 500;
}

/* Sobre el curso */

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  margin-top: 2rem;
}

.about-card {
  background: rgba(15, 23, 42, 0.8);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: #e5e7eb;
}

.about-card h3 {
  margin-top: 0;
  font-size: 1rem;
  margin-bottom: 0.6rem;
  color: #f9fafb;
}

.about-card p,
.about-card li {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #e5e7eb;
}

.about-card ul {
  padding-left: 1.1rem;
  margin: 0.4rem 0 0;
}

.about-pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.about-pill {
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.78rem;
  color: #e5e7eb;
}

.about-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.about-meta-item {
  border-radius: 0.85rem;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.38);
  padding: 0.85rem 0.9rem;
  color: #e5e7eb;
  font-size: 0.8rem;
}

.about-meta-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  color: #9ca3af;
  margin-bottom: 0.2rem;
}

.about-meta-value strong {
  font-size: 0.88rem;
}

/* Ponentes */

.speakers-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.75rem;
  margin-top: 2rem;
}

.speaker-card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 1.3rem 1.25rem 1.35rem;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.18);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.speaker-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.speaker-photo {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  overflow: hidden; /* recorta la foto en círculo */
  background: linear-gradient(135deg, #e5e7eb, #c7d2fe);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0; /* quitamos el padding para que la imagen llene el círculo */
}

.speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* centra y recorta la foto */
  display: block;
}

.speaker-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.speaker-title {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.speaker-bio {
  font-size: 0.86rem;
  color: #4b5563;
  line-height: 1.6;
}

.speaker-footer {
  margin-top: auto;
  font-size: 0.78rem;
  color: #9ca3af;
}

/* Programa */

.program-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2.3rem;
  margin-top: 2rem;
}

.program-day-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.program-day {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.3rem 1.3rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
}

.program-day-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.program-day-title {
  margin: 0 0 0.2rem;
  font-size: 1rem;
}

.program-day-meta {
  font-size: 0.78rem;
  color: var(--color-text-soft);
  margin-bottom: 0.6rem;
}

.program-day ul {
  padding-left: 1.05rem;
  margin: 0.4rem 0 0.45rem;
}

.program-day li {
  font-size: 0.86rem;
  color: #4b5563;
  margin-bottom: 0.2rem;
}

.program-label {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 0.72rem;
  padding: 0.25rem 0.6rem;
  margin-top: 0.5rem;
}

.program-aside {
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(148, 163, 184, 0.45);
  padding: 1.5rem 1.6rem;
  color: #e5e7eb;
  font-size: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.program-aside h3 {
  margin: 0;
  font-size: 1rem;
  color: #f9fafb;
}

.program-aside ul {
  padding-left: 1.1rem;
  margin: 0.35rem 0 0;
}

.program-aside li {
  margin-bottom: 0.25rem;
}

.program-cta {
  margin-top: 0.4rem;
}

/* Inscripción */

.signup-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 2.4rem;
  margin-top: 2rem;
  align-items: flex-start;
}

.signup-info-card {
  background: #020617;
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.6rem;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: #e5e7eb;
  font-size: 0.9rem;
}

.signup-info-card h3 {
  margin-top: 0;
  font-size: 1rem;
  margin-bottom: 0.7rem;
}

.signup-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.signup-info-list li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.65rem 0;
  border-bottom: 1px dashed rgba(75, 85, 99, 0.7);
  font-size: 0.86rem;
}

.signup-info-list li:last-child {
  border-bottom: none;
}

.signup-info-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  color: #9ca3af;
}

.signup-info-value strong {
  color: #f9fafb;
}

.price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  margin-top: 0.4rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: #f9fafb;
}

.price-tag small {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9ca3af;
}

.price-note {
  margin-top: 0.4rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

.form-card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 1.7rem 1.6rem 1.6rem;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.24);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.form-title {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
}

.form-subtitle {
  margin: 0 0 1.2rem;
  font-size: 0.86rem;
  color: var(--color-text-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  font-size: 0.85rem;
}

.form-label {
  font-weight: 500;
  color: #111827;
}

.form-input,
.form-textarea {
  border-radius: 0.7rem;
  border: 1px solid var(--color-border);
  padding: 0.6rem 0.75rem;
  font-size: 0.86rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  background: #f9fafb;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-input:focus-visible,
.form-textarea:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(236, 72, 153, 0.4);
  background: #ffffff;
}

.form-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--color-text-soft);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  max-width: 360px;
}

.form-consent input[type="checkbox"] {
  margin-top: 0.18rem;
}

.form-status {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  min-height: 1.1rem;
}

.form-status--success {
  color: #16a34a;
}

.form-status--error {
  color: #b91c1c;
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.15);
  padding: 1.7rem 0 1.9rem;
  background: #ffffff;
  color: #4b5563;
  font-size: 0.78rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.footer-logos {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.footer-banner {
  max-width: 100%;
  height: auto;
  display: block;
}

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.footer-meta a {
  text-decoration: underline;
  text-decoration-style: dotted;
}

/* Utilidades */

.pill-inline {
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 0.75rem;
  padding: 0.25rem 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: #e5e7eb;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s var(--transition-med), transform 0.6s var(--transition-med);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (max-width: 1024px) {
  .hero-inner,
  .about-grid,
  .program-layout,
  .signup-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  
}

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: rgba(2, 6, 23, 0.98);
    backdrop-filter: blur(14px);
    padding: 0.9rem 1.5rem 1.1rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-med), opacity var(--transition-med);
  }

  body.nav-open .main-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-actions .btn-sm {
    display: none;
  }
}

@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 88px;
  }

  .hero-inner {
    gap: 2.1rem;
  }

  .hero-meta {
    grid-template-columns: minmax(0, 1fr);
  }

  .speakers-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .form-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}