.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad-brand);
  z-index: var(--z-toast);
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--primary-glow);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-canvas canvas {
  width: 100% !important;
  height: 100% !important;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--bg-deep) 0%, rgba(6, 10, 20, 0.55) 45%, rgba(6, 10, 20, 0) 78%),
    radial-gradient(ellipse at 72% 52%, transparent 38%, rgba(3, 6, 13, 0.6) 100%);
}

/* ===== NAV ===== */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  background: rgba(6, 10, 20, 0.82);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.site-nav::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: var(--grad-brand);
  opacity: 0.5;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 100%;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-spring),
              filter var(--duration-normal);
  filter: drop-shadow(0 0 10px rgba(31, 147, 255, 0.25));
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
  filter: drop-shadow(0 0 16px rgba(255, 140, 26, 0.4));
}

.nav-logo-fallback {
  display: none;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-accent);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-logo-fallback span {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  -webkit-text-fill-color: var(--text-muted);
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 0 auto;
  height: 100%;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  height: 100%;
}

.nav-item {
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 100%;
  padding: 0 1rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  transition: color var(--duration-normal) var(--ease-smooth);
}

.nav-link:hover,
.nav-item.open .nav-link {
  color: var(--text);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 18px;
  height: 2px;
  background: var(--grad-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-normal) var(--ease-out-expo);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-item.open .nav-link::after {
  transform: scaleX(1);
}

.nav-caret {
  font-size: 0.65rem;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.nav-item.open .nav-caret {
  transform: rotate(180deg);
}

.nav-cta-build {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  border-radius: var(--radius-md);
  background: var(--grad-brand);
  box-shadow: var(--shadow-glow);
  transition: transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-normal);
}

.nav-cta-build:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.nav-icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1.05rem;
  border: 1px solid transparent;
  transition: color var(--duration-normal), background var(--duration-normal),
              border-color var(--duration-normal), transform var(--duration-fast);
}

.nav-icon-btn:hover {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border-hover);
}

.nav-icon-btn:active {
  transform: scale(0.92);
}

.nav-cart .cart-count {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* Search overlay (expande dentro del nav) */
.nav-search-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  padding: 0 clamp(1rem, 3vw, 2.5rem);
  background: rgba(6, 10, 20, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--duration-normal) var(--ease-out-expo),
              transform var(--duration-normal) var(--ease-out-expo),
              visibility var(--duration-normal);
  z-index: 5;
}

.site-nav.search-open .nav-search-overlay {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-search-form {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  border-bottom: 2px solid var(--border-hover);
  padding-bottom: 0.5rem;
}

.nav-search-form .search-icon {
  color: var(--primary);
  font-size: 1.2rem;
}

.nav-search-field {
  flex: 1;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.01em;
}

.nav-search-field::placeholder {
  color: var(--text-muted);
}

.search-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: color var(--duration-normal), background var(--duration-normal);
}

.search-close:hover {
  color: var(--text);
  background: var(--surface);
}

/* ===== MENÚ MÓVIL (hamburguesa) ===== */
.nav-burger {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
}

.nav-burger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out-expo), opacity 0.2s;
}

.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-drawer);
  display: flex;
  flex-direction: column;
  padding: 1.25rem clamp(1rem, 5vw, 2rem) 2rem;
  background: rgba(6, 10, 20, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  overflow-y: auto;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.4s var(--ease-out-expo), visibility 0.4s;
}

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.m-group { border-bottom: 1px solid var(--border); }

.m-group summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
}

.m-group summary::-webkit-details-marker { display: none; }

.m-group summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.75rem;
  color: var(--primary);
  transition: transform 0.3s var(--ease-out-expo);
}

.m-group[open] summary::after { transform: rotate(180deg); }

.m-sub {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0 0 1rem 0.25rem;
}

.m-sub a {
  padding: 0.55rem 0.75rem;
  color: var(--text-secondary);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: color 0.25s, background 0.25s;
}

.m-sub a:hover { color: var(--primary); background: var(--surface); }

.m-link {
  text-align: left;
  padding: 1rem 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.m-link:hover { color: var(--primary); }

.m-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.9rem;
  background: #25d366;
  color: #042412;
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-md);
}

@media (min-width: 901px) {
  .mobile-menu { display: none; }
}

@media (max-width: 900px) {
  .nav-burger { display: flex; }
}

/* ===== LAYOUT BASE ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2.5rem);
}

.page-content {
  position: relative;
  z-index: 2;
}

.view-panel {
  display: none;
}

.view-panel.active {
  display: block;
}

.page-view {
  position: relative;
  z-index: 2;
  min-height: 70vh;
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 6rem;
  background: rgba(6, 10, 20, 0.82);
  backdrop-filter: blur(8px);
}

.view-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 3rem;
  padding: 4rem 2rem;
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-lg);
  background: var(--surface);
  text-align: center;
}

.view-placeholder i {
  font-size: 2.5rem;
  color: var(--primary);
}

.view-placeholder p {
  color: var(--text-muted);
  font-family: var(--font-display);
  letter-spacing: 0.04em;
}

section {
  padding: clamp(2rem, 4vw, 4rem) 0;
  position: relative;
}

section:not(.section-hero) .container {
  position: relative;
  z-index: 1;
}

section:not(.section-hero) {
  background: rgba(6, 10, 20, 0.8);
}

.section-hero {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  background: radial-gradient(ellipse at 70% 45%, #112c52 0%, #0a1730 45%, #060d1c 100%);
}

.section-hero .container {
  position: relative;
  z-index: 2;
}

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2vw, 1.5rem);
}

.kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.section-lead {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  background: rgba(6, 10, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 4rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.footer-col a {
  display: block;
  font-size: 0.9rem;
  color: var(--text-muted);
  padding: 0.3rem 0;
  transition: color var(--duration-normal);
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Aprovechar mejor las pantallas grandes (TV / monitores anchos) */
@media (min-width: 1600px) {
  :root { --container: 1440px; }
}

@media (min-width: 1900px) {
  :root { --container: 1560px; }
}

@media (max-width: 900px) {
  .nav-center {
    display: none;
  }

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

  .grid-3 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

@media (max-width: 500px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .nav-logo-img {
    height: 42px;
  }
}