/* ========================================
   Common Styles
======================================== */

html {
  scroll-behavior: smooth;
}

/* ========================================
   Scroll Animations
======================================== */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

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

.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }
.stagger-5 { transition-delay: 0.25s; }
.stagger-6 { transition-delay: 0.3s; }

/* ========================================
   Image Effects
======================================== */

/* Smooth lazy image loading */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

img[loading="lazy"].loaded,
img:not([loading="lazy"]) {
  opacity: 1;
}

.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.5s ease, opacity 0.4s ease-out;
}

.img-zoom:hover img {
  transform: scale(1.05);
}

.img-reveal {
  position: relative;
  overflow: hidden;
}

.img-reveal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--bg-primary);
  z-index: 1;
  transform: scaleX(1);
  transform-origin: right;
  transition: transform 0.6s ease-out;
}

.img-reveal.revealed::before {
  transform: scaleX(0);
}

/* ========================================
   Parallax
======================================== */

.parallax-container {
  overflow: hidden;
  position: relative;
}

.parallax-bg {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 140%;
  object-fit: cover;
}

/* ========================================
   Decorative
======================================== */

.deco-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

/* ========================================
   Loading Screen
======================================== */

.loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s, visibility 0.5s;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  width: 80px;
  height: 80px;
  animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.7; }
}

/* ========================================
   Scroll Progress
======================================== */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  z-index: 9999;
}

/* ========================================
   Mobile Menu
======================================== */

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.4s ease;
}

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

.hamburger {
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
}

.hamburger span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: all 0.3s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 9px; }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.active span:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { bottom: 9px; transform: rotate(-45deg); }

/* ========================================
   Utilities
======================================== */

.no-scroll {
  overflow: hidden;
}