/* ═══════════════════════════════════════════════════════════
   Animaciones premium — Gabriela Catania
   ═══════════════════════════════════════════════════════════ */

:root {
  --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.2, 0.64, 1);
  --duration-fast: 0.35s;
  --duration-med: 0.55s;
  --duration-slow: 0.85s;
  --nav-duration: 0.4s;
}

/* ── Hero: fondo y entrada ── */
.hero-header__bg-img {
  transform: scale(1);
}

body.is-hero-ready .hero-header__bg-img {
  will-change: transform;
  transform-origin: center center;
  animation: hero-ken-burns 32s ease-in-out infinite alternate;
}

@keyframes hero-ken-burns {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

.hero-content__block > * {
  opacity: 0;
  transform: translateY(28px);
}

body.is-page-loaded .hero-content__block > .hero-title {
  animation: hero-rise var(--duration-slow) var(--ease-premium) forwards;
  animation-delay: 0.12s;
}

body.is-page-loaded .hero-content__block > .hero-subtitle {
  animation: hero-rise var(--duration-slow) var(--ease-premium) forwards;
  animation-delay: 0.28s;
}

body.is-page-loaded .hero-content__block > .hero-subtitle--secondary {
  animation: hero-rise var(--duration-slow) var(--ease-premium) forwards;
  animation-delay: 0.36s;
}

body.is-page-loaded .hero-content__block > .hero-trust-list {
  animation: hero-rise var(--duration-slow) var(--ease-premium) forwards;
  animation-delay: 0.48s;
}

body.is-page-loaded .hero-content__block > .hero-actions {
  animation: hero-rise var(--duration-slow) var(--ease-premium) forwards;
  animation-delay: 0.62s;
}

@keyframes hero-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Navbar: fondo sólido y transición suave ── */
.navbar-custom {
  transition: padding var(--nav-duration) var(--ease-premium);
}

/* Capa de fondo opaca (sin transparencia que deje ver el contenido) */
.navbar-custom::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: #ffffff;
  opacity: 0;
  box-shadow: 0 4px 24px rgba(26, 37, 48, 0);
  transition:
    opacity var(--nav-duration) var(--ease-premium),
    box-shadow var(--nav-duration) var(--ease-premium);
  pointer-events: none;
}

.navbar-custom.scrolled::after {
  opacity: 1;
  box-shadow: 0 4px 24px rgba(26, 37, 48, 0.08);
}

.navbar-custom::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent) 20%, var(--accent) 80%, transparent);
  opacity: 0;
  transform: scaleX(0);
  transition:
    opacity var(--nav-duration) var(--ease-premium),
    transform var(--nav-duration) var(--ease-premium);
  pointer-events: none;
  z-index: 1;
}

.navbar-custom.scrolled::before {
  opacity: 1;
  transform: scaleX(1);
}

.navbar-brand-custom {
  transition: transform 0.45s var(--ease-premium);
}

.navbar-brand-custom:hover {
  transform: scale(1.03);
}

.navbar-logo {
  transition:
    height var(--nav-duration) var(--ease-premium),
    max-width var(--nav-duration) var(--ease-premium),
    filter var(--nav-duration) var(--ease-premium),
    transform 0.45s var(--ease-premium);
}

.navbar-toggler-custom {
  transition:
    background var(--duration-fast) var(--ease-premium),
    border-color var(--duration-fast) var(--ease-premium),
    transform 0.35s var(--ease-premium);
}

.navbar-toggler-custom:hover {
  transform: scale(1.04);
}

.navbar-toggler-custom span {
  transition:
    transform 0.45s var(--ease-premium),
    opacity 0.3s var(--ease-premium),
    background var(--nav-duration) var(--ease-premium);
}

@media (min-width: 992px) {
  .navbar-menu__link::after {
    transform-origin: left center;
    transition: transform 0.5s var(--ease-premium);
  }

  .navbar-menu__link--active::after {
    transform: scaleX(1);
  }

  .navbar-menu__link:hover::after {
    transform: scaleX(1);
  }
}

.navbar-menu__link {
  transition:
    color 0.4s var(--ease-premium),
    background 0.4s var(--ease-premium);
}

/* Menú móvil: panel + ítems escalonados */
@media (max-width: 991.98px) {
  .navbar-menu {
    transition:
      max-height 0.55s var(--ease-premium),
      opacity 0.45s var(--ease-premium),
      padding 0.45s var(--ease-premium),
      visibility 0s linear 0.55s,
      transform 0.45s var(--ease-premium);
    transform: translateY(-6px);
  }

  .navbar-menu.open {
    transform: translateY(0);
    transition:
      max-height 0.6s var(--ease-premium),
      opacity 0.45s var(--ease-premium),
      padding 0.45s var(--ease-premium),
      visibility 0s,
      transform 0.5s var(--ease-premium);
  }

  .navbar-menu.open > li {
    animation: nav-item-in 0.55s var(--ease-premium) backwards;
  }

  .navbar-menu.open > li:nth-child(1) { animation-delay: 0.06s; }
  .navbar-menu.open > li:nth-child(2) { animation-delay: 0.1s; }
  .navbar-menu.open > li:nth-child(3) { animation-delay: 0.14s; }
  .navbar-menu.open > li:nth-child(4) { animation-delay: 0.18s; }
  .navbar-menu.open > li:nth-child(5) { animation-delay: 0.22s; }
  .navbar-menu.open > li:nth-child(6) { animation-delay: 0.26s; }

  .navbar-custom.scrolled .navbar-menu.open {
    animation: menu-panel-in 0.5s var(--ease-premium);
  }
}

@keyframes nav-item-in {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes menu-panel-in {
  from {
    opacity: 0.85;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body.nav-menu-open {
  overflow: hidden;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity var(--duration-slow) var(--ease-premium),
    transform var(--duration-slow) var(--ease-premium);
  will-change: opacity, transform;
}

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

.reveal-fade {
  transform: none;
  opacity: 0;
}

.reveal-fade.is-visible {
  opacity: 1;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.97);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slow) var(--ease-premium),
    transform var(--duration-slow) var(--ease-premium);
}

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

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.11s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.17s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.23s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.29s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.41s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.47s; }

/* ── Tarjetas y CTAs ── */
.practice-card,
.case-card {
  transition:
    transform 0.5s var(--ease-premium),
    box-shadow 0.5s var(--ease-premium);
}

.practice-card:hover,
.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(26, 37, 48, 0.09);
}

.studio-stat {
  transition: transform 0.5s var(--ease-premium);
}

.studio-stat:hover {
  transform: translateY(-3px);
}

.btn-cta,
.btn-cta-outline {
  transition:
    transform 0.4s var(--ease-premium),
    box-shadow 0.4s var(--ease-premium),
    background 0.35s var(--ease-premium),
    color 0.35s var(--ease-premium),
    border-color 0.35s var(--ease-premium);
}

.btn-cta:active {
  transform: translateY(0) scale(0.98);
}

.cta-band {
  transition:
    transform 0.5s var(--ease-premium),
    box-shadow 0.5s var(--ease-premium);
}

.cta-band:hover {
  box-shadow: 0 12px 40px rgba(26, 37, 48, 0.08);
}

/* ── Pausa visual ── */
.visual-pause__inner > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-premium),
    transform var(--duration-slow) var(--ease-premium);
}

.visual-pause__inner.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.visual-pause__inner.is-visible > .visual-pause__eyebrow { transition-delay: 0.05s; }
.visual-pause__inner.is-visible > .visual-pause__quote { transition-delay: 0.18s; }
.visual-pause__inner.is-visible > .visual-pause__author { transition-delay: 0.32s; }

/* ── FAQ ── */
.faq-accordion .accordion-button::after {
  transition: transform 0.45s var(--ease-premium);
}

.faq-accordion .accordion-item.reveal {
  transform: translateY(16px);
}

/* ── Formulario ── */
.form-control-custom,
.form-select-custom {
  transition:
    border-color 0.35s var(--ease-premium),
    box-shadow 0.35s var(--ease-premium),
    transform 0.35s var(--ease-premium);
}

.form-control-custom:focus,
.form-select-custom:focus {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(197, 168, 128, 0.18);
}

.contact-card {
  transition:
    transform 0.6s var(--ease-premium),
    box-shadow 0.6s var(--ease-premium);
}

.contact-card.reveal.is-visible:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.18);
}

/* ── WhatsApp flotante ── */
.whatsapp-float {
  transition:
    opacity 0.5s var(--ease-premium),
    transform 0.55s var(--ease-spring),
    visibility 0s linear 0.5s,
    box-shadow 0.4s var(--ease-premium);
}

.whatsapp-float.is-visible {
  transition:
    opacity 0.55s var(--ease-premium),
    transform 0.6s var(--ease-spring),
    visibility 0s,
    box-shadow 0.4s var(--ease-premium);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.06);
  color: var(--navy);
}

.social-link {
  transition:
    transform 0.45s var(--ease-premium),
    background 0.4s var(--ease-premium),
    color 0.35s var(--ease-premium),
    border-color 0.35s var(--ease-premium);
}

/* ── Section headers ── */
.section-header.reveal {
  opacity: 1;
  transform: none;
}

.section-header .eyebrow {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity var(--duration-med) var(--ease-premium),
    transform var(--duration-med) var(--ease-premium);
}

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

.section-header.is-visible h2 {
  animation: header-title-in var(--duration-slow) var(--ease-premium) 0.08s forwards;
  opacity: 0;
  transform: translateY(16px);
}

@keyframes header-title-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .hero-header__bg-img {
    transition: none;
  }

  .hero-header__bg-img,
  body.is-hero-ready .hero-header__bg-img {
    animation: none;
    will-change: auto;
  }

  .hero-content__block > *,
  body.is-page-loaded .hero-content__block > * {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .navbar-menu.open > li {
    animation: none;
  }

  .reveal,
  .reveal-stagger > *,
  .visual-pause__inner > * {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .section-header .eyebrow,
  .section-header.is-visible h2 {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .practice-card:hover,
  .case-card:hover,
  .studio-stat:hover,
  .cta-band:hover,
  .contact-card.reveal.is-visible:hover {
    transform: none;
  }

  .form-control-custom:focus,
  .form-select-custom:focus {
    transform: none;
  }
}