/* ═══════════════════════════════════════════ */
/* PRADA Landing Page — Custom Styles */
/* ═══════════════════════════════════════════ */

/* ─── Base Reset ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #000;
  color: #fff;
}

/* ─── Navigation ─── */
.nav-bar {
  background: transparent;
  transition: background-color 0.6s cubic-bezier(0.25, 0.1, 0.25, 1),
              backdrop-filter 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.nav-scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid #E5E5E5;
}

.nav-logo {
  transition: color 0.4s ease;
}

.nav-link {
  position: relative;
  padding-bottom: 2px;
  transition: color 0.4s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: #000;
  transition: width 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.nav-link:hover::after {
  width: 100%;
}

/* ─── Hero Section ─── */
.hero-section {
  position: relative;
}

.hero-image-wrapper {
  will-change: transform;
}

.hero-image {
  transition: transform 8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.hero-section:hover .hero-image {
  transform: scale(1.03);
}

.hero-overlay {
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.05) 40%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

/* Hero fade-up animations */
.hero-tag {
  animation: heroFadeUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) 0.3s both;
}

.hero-title {
  animation: heroFadeUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) 0.5s both;
}

.hero-subtitle {
  animation: heroFadeUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) 0.7s both;
}

.hero-section .fade-up:last-of-type {
  animation: heroFadeUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) 0.9s both;
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll indicator animation */
.scroll-indicator {
  animation: heroFadeUp 1s cubic-bezier(0.25, 0.1, 0.25, 1) 1.2s both;
}

.scroll-line {
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0% {
    transform: translateY(-100%);
  }
  50% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(100%);
  }
}

/* ─── Showcase Images ─── */
.showcase-image-wrapper {
  position: relative;
}

.showcase-image {
  transition: transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
              filter 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.showcase-image-wrapper:hover .showcase-image {
  transform: scale(1.03);
  filter: brightness(1.05);
}

/* ─── Scroll Reveal ─── */
.reveal-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
              transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children in showcase grid */
.showcase-item:nth-child(1) { transition-delay: 0s; }
.showcase-item:nth-child(2) { transition-delay: 0.1s; }
.showcase-item:nth-child(3) { transition-delay: 0.2s; }
.showcase-item:nth-child(4) { transition-delay: 0.3s; }

/* ─── Color Swatches ─── */
.color-swatch {
  cursor: pointer;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.color-swatch:hover {
  transform: scale(1.15);
}

.color-swatch.active {
  border-color: #000 !important;
  outline: 2px solid #000;
  outline-offset: 2px;
}

/* ─── Buttons ─── */
button, a {
  cursor: pointer;
}

/* ─── Typography Enhancements ─── */
h1, h2, h3 {
  text-rendering: optimizeLegibility;
}

/* ─── Image Loading ─── */
img {
  opacity: 1;
  transition: opacity 0.4s ease;
}

img[loading] {
  opacity: 0;
}

/* ─── Responsive Adjustments ─── */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
    letter-spacing: 0.1em;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-btn-primary,
  .hero-btn-secondary {
    text-align: center;
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ─── Accessibility ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal-up {
    opacity: 1;
    transform: none;
  }

  .hero-tag,
  .hero-title,
  .hero-subtitle,
  .fade-up {
    opacity: 1;
    transform: none;
  }
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 1px solid #000;
  outline-offset: 4px;
}