:root {
  --bg-deep: #0a1230;
  --text-main: #eef5ff;
  --text-muted: #c7d8ef;
  --accent-warm: #ff9f3f;
  --radius-lg: 20px;
  --radius-md: 14px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-main);
  background-image:
    linear-gradient(145deg, rgba(0, 0, 0, 0.9), rgba(12, 18, 32, 0.78)),
    url("../img/banners/background-final.jpg");
  background-position: center, center top;
  /* Nota del equipo (Pablo): se repite la imagen para cubrir espacios en pantallas altas. */
  background-repeat: no-repeat, repeat;
  background-size: cover, contain;
  background-color: var(--bg-deep);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  line-height: 1.55;
  position: relative;
}

.page-loader {
  align-items: center;
  background:
    linear-gradient(145deg, rgba(0, 0, 0, 0.84), rgba(12, 18, 32, 0.84)),
    url("../img/banners/background-final.jpg") center / cover no-repeat;
  display: flex;
  inset: 0;
  justify-content: center;
  opacity: 1;
  position: fixed;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  visibility: visible;
  z-index: 4000;
}

.page-loader--hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.page-loader__box {
  align-items: center;
  backdrop-filter: blur(5px);
  background: rgba(9, 20, 45, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 18px;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.42);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.95rem 1.05rem;
}

.page-loader__img {
  animation: loader-float 1.55s ease-in-out infinite;
  height: clamp(72px, 12vw, 118px);
  object-fit: contain;
  width: clamp(72px, 12vw, 118px);
}

.page-loader__text {
  color: #e9f5ff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0;
}

@keyframes loader-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

#particle-canvas {
  inset: 0;
  opacity: 0.75;
  pointer-events: none;
  position: fixed;
  z-index: 0;
}

main,
.site-footer {
  position: relative;
  z-index: 2;
}

.container {
  margin-inline: auto;
  width: min(1100px, 92%);
}

.site-header {
  backdrop-filter: blur(12px);
  background: rgba(8, 19, 46, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 1200;
}

.header-content {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  align-items: center;
  color: #fff;
  display: inline-flex;
  font-family: "Sora", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  gap: 0.55rem;
  letter-spacing: 0.02em;
  text-shadow: 0 0 18px rgba(76, 184, 255, 0.35);
  text-decoration: none;
}

.brand-logo {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  height: 40px;
  object-fit: contain;
  padding: 0.15rem;
  width: 40px;
}

.nav-toggle {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: var(--text-main);
  cursor: pointer;
  display: none;
  font-family: inherit;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
}

.site-nav ul {
  align-items: center;
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav {
  position: relative;
  z-index: 1250;
}

.site-nav a {
  border-radius: 999px;
  color: var(--text-main);
  display: inline-block;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  text-decoration: none;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.site-nav a:hover,
.site-nav a.active {
  background: rgba(76, 184, 255, 0.26);
  color: #fff;
}

.hero,
.page-hero {
  padding: clamp(2rem, 3vw, 3.5rem) 0;
}

.hero-grid {
  align-items: center;
  display: grid;
  gap: 1.6rem;
  grid-template-columns: 1.15fr 1fr;
}

.hero-copy h1,
.page-hero h1 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.1;
  margin: 0 0 0.8rem;
}

.eyebrow {
  color: var(--accent-warm);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0 0 0.6rem;
  text-transform: uppercase;
}

.hero-copy p,
.page-hero p {
  color: var(--text-muted);
  margin: 0 0 1.2rem;
}

.hero-logo-stage {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: clamp(220px, 28vw, 340px);
}

.hero-main-logo {
  animation: logo-elevate 3.1s ease-in-out infinite;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.42));
  object-fit: contain;
  width: min(320px, 72%);
}

@keyframes logo-elevate {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.section {
  padding: 1.4rem 0 3rem;
}

.section h2 {
  font-family: "Sora", sans-serif;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  margin: 0 0 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.three-cols {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-cols,
.contact-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rock-zigzag {
  display: grid;
  gap: 1rem;
}

.rock-item {
  align-items: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: none;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: 1rem;
  transition: transform 0.35s cubic-bezier(0.2, 1, 0.3, 1), border-color 0.3s ease, background-color 0.3s ease;
}

.rock-item:hover {
  background: transparent;
  border-color: rgba(76, 184, 255, 0.55);
  transform: translateY(-5px);
}

.rock-item:nth-child(even) .rock-item__media {
  order: 2;
}

.rock-item:nth-child(even) .rock-item__copy {
  order: 1;
}

.rock-item__media {
  margin: 0;
  width: 100%;
}

.rock-item__media img {
  border-radius: var(--radius-md);
  display: block;
  height: auto;
  object-fit: contain;
  width: 100%;
}

.rock-item__copy h3 {
  margin: 0 0 0.45rem;
}

.rock-item__copy p {
  color: var(--text-muted);
  margin: 0;
}

.card,
.feature-card {
  /* Se deja transparente para que el fondo global se vea uniforme en todo el sitio. */
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: none;
  padding: 1.2rem;
  transition: transform 0.35s cubic-bezier(0.2, 1, 0.3, 1), border-color 0.3s ease, background-color 0.3s ease;
}

.card h2,
.card h3,
.feature-card h3 {
  margin-top: 0;
}

.card p,
.feature-card p {
  color: var(--text-muted);
}

.card:hover,
.feature-card:hover {
  background: transparent;
  border-color: rgba(76, 184, 255, 0.55);
  transform: translateY(-7px);
}

.hover-reactive {
  /* Se retiro el brillo por puntero; esta clase queda para recorte visual limpio. */
  overflow: hidden;
  position: relative;
}

.category-card img,
.product-card img {
  border-radius: var(--radius-md);
  margin-bottom: 0.7rem;
  background: rgba(0, 0, 0, 0.35);
  object-fit: contain;
  width: 100%;
  height: auto;
}

.product-card .price {
  color: var(--accent-warm);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.3rem 0;
}

.filter-bar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: var(--text-main);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: rgba(76, 184, 255, 0.24);
  transform: translateY(-2px);
}

.empty-state {
  color: #ffd4d4;
  font-weight: 600;
  margin-top: 1rem;
}

.btn {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 700;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  text-decoration: none;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px) scale(1.02);
}

.btn-primary {
  background: linear-gradient(135deg, #4cb8ff, #ff9f3f);
  color: #0f1731;
}

.btn-primary:hover {
  box-shadow: 0 12px 22px rgba(76, 184, 255, 0.38);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #e9f7ff;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

form {
  display: grid;
  gap: 0.5rem;
}

.form-row {
  display: flex;
  flex-direction: column;
}

label {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

input,
textarea {
  background: rgba(6, 16, 24, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.65rem 0.75rem;
}

input:focus,
textarea:focus {
  border-color: rgba(76, 184, 255, 0.9);
  box-shadow: 0 0 0 3px rgba(76, 184, 255, 0.25);
  outline: none;
}

.input-invalid {
  border-color: rgba(255, 99, 99, 0.95);
}

.error-message {
  color: #ffb5b5;
  font-size: 0.87rem;
  margin: 0.35rem 0 0.2rem;
  min-height: 1.1rem;
}

.form-status {
  font-weight: 600;
  margin: 0.45rem 0 0;
  min-height: 1.2rem;
}

.form-status.success {
  color: #a6ffd9;
}

.form-status.error {
  color: #ffb8b8;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin-top: 2rem;
  padding: 1.2rem 0 1.5rem;
}

.footer-grid {
  align-items: start;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
}

.footer-block h3 {
  font-family: "Sora", sans-serif;
  font-size: 1rem;
  margin: 0 0 0.45rem;
}

.footer-block p {
  color: var(--text-muted);
  margin: 0 0 0.35rem;
}

.footer-copy {
  color: #eaf7ff;
  font-weight: 700;
  margin-top: 0.2rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .three-cols,
  .two-cols,
  .rock-item,
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .rock-item:nth-child(even) .rock-item__media,
  .rock-item:nth-child(even) .rock-item__copy {
    order: initial;
  }

}

@media (max-width: 760px) {
  .brand {
    font-size: 1rem;
  }

  .brand-logo {
    height: 34px;
    width: 34px;
  }

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

  .site-nav {
    /* Menu desplegable en movil con capa superior para no quedar detras del contenido. */
    background: rgba(5, 17, 24, 0.93);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    opacity: 0;
    padding: 0.55rem;
    pointer-events: none;
    position: absolute;
    right: 4%;
    top: 68px;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    visibility: hidden;
    width: min(80vw, 240px);
    z-index: 1300;
  }

  .site-nav.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav ul {
    align-items: stretch;
    flex-direction: column;
  }

  .site-nav a {
    border-radius: 10px;
    width: 100%;
  }

  .footer-block {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}