/* =====================================================================
   PLATAFORMA DE INSCRIPCIÓN DEPORTIVA — HOJA DE ESTILOS PRINCIPAL
   Diseño: evento deportivo internacional / dashboard premium 2025
   Paleta: azul deportivo + azul institucional oscuro + blanco + gris claro
           + toques de azul eléctrico
   ===================================================================== */
 
 
/* =====================================================================
   1. VARIABLES GLOBALES (DESIGN TOKENS)
   ===================================================================== */
 
:root {
  /* --- Colores principales --- */
  --color-primary: #0a66ff;          /* Azul deportivo moderno */
  --color-primary-hover: #1f74ff;
  --color-primary-dark: #0c2d5e;     /* Azul oscuro institucional */
  --color-primary-darker: #071a38;   /* Azul casi negro para degradados */
  --color-accent: #38d4ff;           /* Azul eléctrico (toques sutiles) */
 
  /* --- Neutros --- */
  --color-white: #ffffff;
  --color-bg: #f3f6fb;               /* Gris muy claro de fondo */
  --color-bg-soft: #eef2f8;
  --color-border: #e1e7f0;
  --color-text: #18243a;
  --color-text-soft: #5b6b80;
  --color-text-faint: #93a1b5;
 
  /* --- Sombras --- */
  --shadow-header: 0 20px 50px rgba(7, 26, 56, 0.35);
  --shadow-card: 0 25px 60px rgba(10, 45, 94, 0.12);
  --shadow-card-soft: 0 10px 30px rgba(10, 45, 94, 0.06);
  --shadow-input-focus: 0 0 0 4px rgba(10, 102, 255, 0.14);
  --shadow-button: 0 14px 30px rgba(10, 102, 255, 0.35);
  --shadow-button-hover: 0 20px 40px rgba(10, 102, 255, 0.48);
 
  /* --- Radios --- */
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
 
  /* --- Tipografías --- */
  --font-display: "Outfit", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
 
  /* --- Transiciones --- */
  --transition-fast: 0.18s ease;
  --transition-medium: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);
 
  /* --- Layout --- */
  --max-width-form: 760px;
}
 
 
/* =====================================================================
   2. IMPORTACIÓN DE TIPOGRAFÍAS
   ===================================================================== */
 
@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap");
 
 
/* =====================================================================
   3. RESET Y BASE GLOBAL
   ===================================================================== */
 
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
 
html {
  scroll-behavior: smooth;
}
 
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  animation: pageFadeIn 0.9s ease both;
  padding-bottom: 4rem;
}
 
/* Accesibilidad: foco visible en navegación por teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
 
 
/* =====================================================================
   4. HEADER — ZONA DE IMPACTO PRINCIPAL
   ===================================================================== */
 
header {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 5.5rem 2rem 8.5rem;
  text-align: center;
  color: var(--color-white);
  background: linear-gradient(
    135deg,
    var(--color-primary-darker) 0%,
    var(--color-primary-dark) 45%,
    var(--color-primary) 100%
  );
  background-size: 200% 200%;
  box-shadow: var(--shadow-header);
  animation: headerGradientShift 14s ease-in-out infinite alternate;
}
 
/* Patrón decorativo: líneas tipo "pista de atletismo" muy sutiles */
header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255, 255, 255, 0.05) 0px,
    rgba(255, 255, 255, 0.05) 2px,
    transparent 2px,
    transparent 90px
  );
  z-index: 0;
}
 
/* Resplandor difuso tipo "foco de estadio" */
header::after {
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  right: -15%;
  top: -25%;
  background: radial-gradient(
    circle,
    rgba(56, 212, 255, 0.35) 0%,
    rgba(56, 212, 255, 0) 70%
  );
  z-index: 0;
  pointer-events: none;
}
 
header h1 {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 4px 25px rgba(0, 0, 0, 0.25);
  animation: dropIn 0.9s var(--transition-slow) both;
}
 
/* Subtítulo opcional bajo el título principal */
header .subtitle,
header p {
  position: relative;
  z-index: 1;
  margin-top: 0.9rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.03em;
  animation: dropIn 0.9s 0.15s var(--transition-slow) both;
}
 
/* Línea decorativa de acento bajo el título */
header h1::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  margin: 1.4rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-white));
}
 
 
/* =====================================================================
   5. FORMULARIO — TARJETA PREMIUM
   ===================================================================== */
 
#formulario-inscripcion {
  position: relative;
  z-index: 2;
  max-width: var(--max-width-form);
  width: 92%;
  margin: -5rem auto 0;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  padding: 3rem 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  animation: formRise 0.9s 0.2s var(--transition-slow) both;
  border: 1px solid rgba(10, 45, 94, 0.04);
}
 
/* Títulos de cada bloque del formulario */
#formulario-inscripcion h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 1.6rem 0 0.6rem;
  padding-left: 0.85rem;
  border-left: 5px solid var(--color-primary);
  letter-spacing: 0.01em;
}
 
#formulario-inscripcion h2:first-of-type {
  margin-top: 0;
}
 
/* Separadores entre secciones */
#formulario-inscripcion hr {
  border: none;
  height: 1px;
  margin: 2.2rem 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-border) 15%,
    var(--color-border) 85%,
    transparent
  );
}
 
 
/* =====================================================================
   6. ETIQUETAS, INPUTS Y SELECTS
   ===================================================================== */
 
#formulario-inscripcion label {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 1.1rem 0 0.45rem;
  letter-spacing: 0.01em;
}
 
#formulario-inscripcion label:first-of-type {
  margin-top: 0.6rem;
}
 
#formulario-inscripcion input,
#formulario-inscripcion select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  background-color: var(--color-bg-soft);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.15rem;
  transition:
    border-color var(--transition-medium),
    box-shadow var(--transition-medium),
    background-color var(--transition-medium),
    transform var(--transition-fast);
}
 
#formulario-inscripcion input::placeholder {
  color: var(--color-text-faint);
}
 
/* Estado hover: ligera elevación */
#formulario-inscripcion input:hover,
#formulario-inscripcion select:hover {
  border-color: #c7d4e6;
}
 
/* Estado focus: efecto premium azul deportivo */
#formulario-inscripcion input:focus,
#formulario-inscripcion select:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input-focus);
  transform: translateY(-2px);
}
 
/* Select personalizado con flecha discreta */
#formulario-inscripcion select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath fill='%230a66ff' d='M1 1l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.15rem center;
  background-size: 14px 9px;
  padding-right: 2.8rem;
  cursor: pointer;
}
 
/* Campos de fecha: igualar apariencia en distintos navegadores */
#formulario-inscripcion input[type="date"] {
  cursor: pointer;
}
 
 
/* =====================================================================
   7. SECCIONES DINÁMICAS (RESIDENTE ESPAÑA / EXTRANJERO)
   ===================================================================== */
 
#datos-espana,
#datos-extranjero {
  display: flex;
  flex-direction: column;
  margin-top: 0.4rem;
  padding: 1.6rem 1.6rem 0.4rem;
  background: linear-gradient(180deg, var(--color-bg-soft), var(--color-white));
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  animation: fadeSlideIn 0.55s var(--transition-slow) both;
}
 
/* Cuando JS las muestra (display distinto de "none"),
   la animación de entrada se reproduce automáticamente.
   Si se controla mediante una clase, usar la siguiente regla: */
.campo-dinamico-visible {
  display: flex !important;
  flex-direction: column;
  animation: fadeSlideIn 0.55s var(--transition-slow) both;
}
 
#datos-espana label,
#datos-extranjero label {
  margin-top: 1.05rem;
}
 
#datos-espana label:first-of-type,
#datos-extranjero label:first-of-type {
  margin-top: 0.3rem;
}
 
 
/* =====================================================================
   8. BOTÓN DE ENVÍO — ELEMENTO MÁS POTENTE
   ===================================================================== */
 
#formulario-inscripcion button[type="submit"] {
  position: relative;
  display: block;
  width: 100%;
  margin-top: 2.4rem;
  padding: 1.15rem 2rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-white);
  background: linear-gradient(
    120deg,
    var(--color-primary) 0%,
    var(--color-primary-hover) 50%,
    var(--color-accent) 100%
  );
  background-size: 200% 100%;
  background-position: 0% 0%;
  box-shadow: var(--shadow-button);
  cursor: pointer;
  overflow: hidden;
  transition:
    transform var(--transition-medium),
    box-shadow var(--transition-medium),
    background-position var(--transition-slow);
}
 
#formulario-inscripcion button[type="submit"]:hover {
  transform: translateY(-3px) scale(1.015);
  box-shadow: var(--shadow-button-hover);
  background-position: 100% 0%;
}
 
#formulario-inscripcion button[type="submit"]:active {
  transform: translateY(-1px) scale(0.995);
  box-shadow: var(--shadow-button);
}
 
/* Brillo deslizante al pasar el ratón */
#formulario-inscripcion button[type="submit"]::after {
  content: "";
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    115deg,
    transparent 0%,
    rgba(255, 255, 255, 0.35) 50%,
    transparent 100%
  );
  transform: skewX(-20deg);
  transition: left var(--transition-slow);
}
 
#formulario-inscripcion button[type="submit"]:hover::after {
  left: 125%;
}
 
 
/* =====================================================================
   9. ANIMACIONES (KEYFRAMES)
   ===================================================================== */
 
@keyframes pageFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
 
@keyframes dropIn {
  from {
    opacity: 0;
    transform: translateY(-18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
 
@keyframes formRise {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
 
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
 
@keyframes headerGradientShift {
  0% {
    background-position: 0% 0%;
  }
  100% {
    background-position: 100% 100%;
  }
}
 
/* Respeto a usuarios con preferencia de movimiento reducido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}
 
 
/* =====================================================================
   10. RESPONSIVE — TABLET (≤ 992px)
   ===================================================================== */
 
@media (max-width: 992px) {
  header {
    padding: 4.5rem 1.75rem 7rem;
  }
 
  #formulario-inscripcion {
    padding: 2.5rem 2.25rem;
    margin-top: -4rem;
  }
}
 
 
/* =====================================================================
   11. RESPONSIVE — MÓVIL GRANDE / TABLET PEQUEÑA (≤ 768px)
   ===================================================================== */
 
@media (max-width: 768px) {
  header {
    padding: 3.75rem 1.5rem 6rem;
  }
 
  header h1 {
    font-size: clamp(1.9rem, 7vw, 2.6rem);
    letter-spacing: 0.02em;
  }
 
  #formulario-inscripcion {
    width: 94%;
    margin-top: -3.5rem;
    padding: 2.25rem 1.75rem;
    border-radius: var(--radius-lg);
  }
 
  #formulario-inscripcion h2 {
    font-size: 1.2rem;
  }
 
  #formulario-inscripcion input,
  #formulario-inscripcion select {
    padding: 0.85rem 1rem;
    font-size: 0.97rem;
  }
 
  #formulario-inscripcion button[type="submit"] {
    font-size: 1.05rem;
    padding: 1.05rem 1.5rem;
  }
}
 
 
/* =====================================================================
   12. RESPONSIVE — MÓVIL (≤ 480px)
   ===================================================================== */
 
@media (max-width: 480px) {
  header {
    padding: 3rem 1.1rem 5rem;
  }
 
  header h1 {
    font-size: clamp(1.6rem, 8vw, 2.1rem);
  }
 
  header h1::after {
    width: 50px;
    height: 3px;
  }
 
  #formulario-inscripcion {
    width: 100%;
    margin-top: -3rem;
    padding: 1.8rem 1.25rem;
    border-radius: var(--radius-md);
    gap: 0.2rem;
  }
 
  #formulario-inscripcion h2 {
    font-size: 1.1rem;
    margin: 1.3rem 0 0.5rem;
  }
 
  #datos-espana,
  #datos-extranjero {
    padding: 1.2rem 1rem 0.3rem;
  }
 
  #formulario-inscripcion button[type="submit"] {
    width: 100%;
    font-size: 1rem;
    padding: 1rem 1.25rem;
    letter-spacing: 0.04em;
  }
}

/* =====================================================================
   13. BOTONES Y NAVEGACIÓN SECUNDARIA
   ===================================================================== */

.grupo-botones {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2.4rem;
}

.btn-volver {
  display: block;
  text-align: center;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-primary-dark);
  background-color: var(--color-bg-soft);
  border: 2px solid var(--color-border);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-volver:hover {
  background-color: var(--color-border);
  color: var(--color-text);
  transform: translateY(-2px);
}

/* ===== SELECTOR DE IDIOMA ===== */
.lang-container {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.lang-select {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(0, 198, 255, 0.4);
    color: white;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-family: Arial, sans-serif;
    cursor: pointer;
    outline: none;
    backdrop-filter: blur(8px);
    transition: all 0.2s ease;
}

.lang-select:hover {
    border-color: #00c6ff;
    box-shadow: 0 0 10px rgba(0, 198, 255, 0.3);
}

.lang-select option {
    background: #0f172a;
    color: white;
}

@media (max-width: 768px) {
    .lang-container {
        top: 15px;
        right: 15px;
    }
}