:root {
  --bg-main: #050816;
  --bg-section: #0b1020;
  --bg-section-alt: #0f172a;
  --accent-blue: #38bdf8;
  --accent-violet: #6366f1;
  --text-main: #e5e7eb;
  --text-muted: #9ca3af;
  --border-soft: #1f2933;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
  --radius-lg: 18px;
  --transition-fast: 0.2s ease-out;
  --font-sans: "Exo 2", system-ui, sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top, #111827 0, #020617 55%);
  color: var(--text-main);
  line-height: 1.6;
}

/* Layout base */
.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: justify;
}

.container.narrow {
  max-width: 800px;
}

.container.mosaico{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.section {
  padding: 4rem 0;
  background: var(--bg-section);
}

.section-alt {
  background: var(--bg-section-alt);
}

/* Header fijo */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  backdrop-filter: blur(18px);
  background: linear-gradient(
    to right,
    rgba(15, 23, 42, 0.92),
    rgba(15, 23, 42, 0.82)
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 20% 0, var(--accent-blue), var(--accent-violet));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #0b1120;
}

.logo-text {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #e5e7eb;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.main-nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav a:hover {
  color: var(--accent-blue);
  background: rgba(15, 23, 42, 0.8);
}

/* Base: escritorio */
.nav-desktop {
  display: flex;
  gap: 1.5rem;
}

.nav-desktop a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-desktop a:hover {
  color: var(--accent-blue);
  background: rgba(15, 23, 42, 0.8);
}

.nav-toggle {
  display: none;
  font-size: 1.4rem;
  background: none;
  border: none;
  color: var(--text-main);
  cursor: pointer;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: radial-gradient(circle at top, rgba(15,23,42,.96), #020617);
  border-top: 1px solid rgba(148,163,184,.3);
}

.nav-mobile a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 999px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-mobile a:hover {
  color: var(--accent-blue);
  background: rgba(15, 23, 42, 0.8);
}

/* Cuando el menú móvil está abierto */
.nav-mobile.is-open {
  display: flex;
}

/* Vista móvil */
@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }
}

/* Botones */
.btn {
  border-radius: 999px;
  border: none;
  padding: 0.5rem 1.1rem;
  font-size: 0.9rem;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
  white-space: nowrap;
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-violet));
  color: #020617;
  box-shadow: 0 16px 35px rgba(56, 189, 248, 0.35);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 45px rgba(99, 102, 241, 0.44);
}

.btn.ghost {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(148, 163, 184, 0.5);
}

.btn.ghost:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.btn.outline {
  background: transparent;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--text-main);
}

.btn.outline:hover {
  border-color: var(--accent-violet);
  color: var(--accent-violet);
}

/* Hero */
.hero {
  padding-top: 5rem;
  padding-bottom: 4rem;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("src/background_hero.png");
  background-size: cover; /* Adjust as needed */
  background-position: center; /* Adjust as needed */
  opacity: 0.2; /* Set the desired opacity (0.0 to 1.0) */
  z-index: -1; /* Place the pseudo-element behind the content */
}

.hero-content {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.7rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero p {
  max-width: 580px;
  margin: 0.5rem auto 1.5rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Secciones de texto + imagen */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.split.neutral {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}

.split p {
  color: var(--text-muted);
}

.split.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
}

.split-text h2 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.split-text p {
  color: var(--text-muted);
}

.split-text-list p {
  color: var(--text-muted);
  margin-top: 0px;
}

.split-image img {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
  box-shadow: var(--shadow-soft);
}

/* Galería */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.gallery-item {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), #020617);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast),
    border-color var(--transition-fast);
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.9);
  border-color: var(--accent-blue);
}

/* Tabla */
.table-wrapper {
  margin-top: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.25);
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.15), #020617);
}

.table-wrapper-ofertas {
  margin-top: 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.25);
  overflow: hidden;
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.15), #020617);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead {
  background: rgba(99, 102, 241, 0.30);
}

th,
td {
  padding: 0.85rem 1rem;
  text-align: left;
}

th {
  font-weight: 600;
  color: #e5e7eb;
}

tbody tr:nth-child(odd) {
  background: rgba(15, 23, 42, 0.35);
}

tbody tr:nth-child(even) {
  background: rgba(99, 102, 241, 0.15);
}

/* Formularios */

.form-grid {
  display: grid;
  gap: 1.1rem;
}


.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-hint { /* Ayuda / descripción bajo el campo */
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.35);
  background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.9), #020617);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.8);
}

.input::placeholder,
.textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.input:hover,
.select:hover,
.textarea:hover {
  border-color: rgba(148, 163, 184, 0.7);
}

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  border-color: var(--accent-blue);
  box-shadow:
    0 0 0 1px rgba(56, 189, 248, 0.7),
    0 18px 40px rgba(15, 23, 42, 0.95);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.14), #020617);
  transform: translateY(-1px);
}

.input {
  height: 2.4rem;
}

input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);       /* Cambia a blanco */
    opacity: 0.8;
    cursor: pointer;
}

input[type="time"]::-webkit-calendar-picker-indicator {
    filter: invert(1);       /* Cambia a blanco */
    opacity: 0.8;
    cursor: pointer;
}

.select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent-blue) 50%),
    linear-gradient(135deg, var(--accent-blue) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 48%,
    calc(100% - 12px) 48%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.2rem;
}

.textarea {
  min-height: 110px;
  resize: vertical;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.2rem;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.check-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 6px;
  border: 1px solid rgba(148, 163, 184, 0.65);
  background: radial-gradient(circle at top, rgba(15, 23, 42, 0.85), #020617);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-top: 2px;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.9);
}

.check-item input[type="checkbox"]:hover {
  border-color: var(--accent-blue);
  transform: translateY(-1px);
}

.check-item input[type="checkbox"]:focus-visible {
  outline: none;
  box-shadow:
    0 0 0 1px rgba(56, 189, 248, 0.7),
    0 10px 25px rgba(15, 23, 42, 0.95);
}

.check-item input[type="checkbox"]:checked {
  background: radial-gradient(circle at 20% 0, var(--accent-blue), var(--accent-violet));
  border-color: transparent;
}

.check-item input[type="checkbox"]:checked::before {
  content: "✓";
  font-size: 0.9rem;
  font-weight: 700;
  color: #020617;
}

.check-label {
  flex: 1;
  color: var(--text-muted);
}

.form-field.error .input,
.form-field.error .select,
.form-field.error .textarea {
  border-color: #f97373;
}

.form-error {
  margin-top: 0.25rem;
  font-size: 0.8rem;
  color: #fecaca;
}

.form-img {
  width: 100%;
  max-width: 100%;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
  overflow: hidden;
}

/* Footer */
.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  background: #020617;
  padding: 1.75rem 1.5rem;
  margin-top: 2rem;
}

.footer-content {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.footer-contact p {
  margin: 0.1rem 0;
}

.footer-contact a {
  color: var(--accent-blue);
  text-decoration: none;
}

.footer-contact a:hover {
  text-decoration: underline;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 30;
}

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

.modal {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.30), #020617);
  border-radius: 20px;
  padding: 1.5rem 1.75rem 1.75rem;
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.9);
  max-width: 540px;
  width: 100%;
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.modal h2 {
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.modal p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.modal img {
  width: 100%;
  border-radius: 16px;
}

.modal-close {
  position: absolute;
  top: 0.4rem;
  right: 0.7rem;
  background: transparent;
  border: none;
  color: #e5e7eb;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Animación al hacer scroll */
.section-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* Responsive */
@media (max-width: 900px) {
  .split,
  .split.reverse {
    grid-template-columns: minmax(0, 1fr);
  }

  .main-nav {
    gap: 0.5rem;
  }

  .site-header {
    flex-wrap: wrap;
    row-gap: 0.5rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 4.5rem;
  }

  .site-header {
    justify-content: center;
  }

  .footer-content {
    flex-direction: column;
  }

  .container.mosaico {
    grid-template-columns: repeat(auto-fit, minmax(100%, 1fr));
  }
}