/* ===========================
   Future Travels - Scroll Animations & Parallax
   =========================== */

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    z-index: 10001;
    transition: width 0.1s linear;
}

/* Parallax Background Sections */
.parallax-section {
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}
.parallax-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(160deg, rgba(10,22,40,0.92), rgba(18,34,64,0.88));
    z-index: 1;
}
.parallax-section > * {
    position: relative;
    z-index: 2;
}

/* Parallax Floating Shapes */
.parallax-shapes {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}
.parallax-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    will-change: transform;
}

/* Scroll Reveal Classes - visible by default, animate when JS adds .anim-ready */
.reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-rotate {
    opacity: 1;
    transform: none;
}
.anim-ready .reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
.anim-ready .reveal-left {
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}
.anim-ready .reveal-right {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}
.anim-ready .reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}
.anim-ready .reveal-rotate {
    opacity: 0;
    transform: rotate(-5deg) translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .reveal-rotate.revealed {
    opacity: 1;
    transform: rotate(0) translateY(0);
}

/* Stagger delays for children */
.stagger-children > *:nth-child(1) { transition-delay: 0s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.5s; }

/* Parallax Text Effect */
.parallax-text {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* Floating Elements Animation */
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-15px) rotate(2deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}
@keyframes floatSlow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-25px) rotate(3deg); }
}
@keyframes floatReverse {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(20px); }
}
.floating { animation: float 6s ease-in-out infinite; }
.floating-slow { animation: floatSlow 8s ease-in-out infinite; }
.floating-reverse { animation: floatReverse 7s ease-in-out infinite; }

/* Gradient Animation */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.animated-gradient {
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
}

/* Glow Pulse */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(245,124,32,0.3); }
    50% { box-shadow: 0 0 40px rgba(245,124,32,0.6); }
}
.glow-pulse { animation: glowPulse 3s ease-in-out infinite; }

/* Line Draw Animation */
@keyframes drawLine {
    from { width: 0; }
    to { width: 100%; }
}
.draw-line {
    position: relative;
    display: inline-block;
}
.draw-line::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    height: 3px;
    background: var(--secondary);
    width: 0;
    transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.anim-ready .draw-line::after {
    width: 0;
}
.anim-ready .draw-line.revealed::after {
    width: 100%;
}

/* Hero Parallax Layers */
.hero-parallax-container {
    position: relative;
    overflow: hidden;
}
.hero-layer {
    position: absolute;
    will-change: transform;
    transition: transform 0.1s linear;
}

/* Horizontal Scroll Section */
.horizontal-scroll-section {
    display: flex;
    gap: 30px;
    transition: transform 0.1s linear;
}

/* Counter Animation */
.count-up {
    display: inline-block;
}

/* Image Reveal */
.image-reveal {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.image-reveal::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--primary);
    z-index: 2;
    transform-origin: left;
    transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}
.image-reveal.revealed::before {
    transform: scaleX(0);
}
.image-reveal img {
    transition: transform 0.6s ease;
}
.image-reveal:hover img {
    transform: scale(1.05);
}

/* Magnetic Hover Effect */
.magnetic-hover {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.magnetic-hover:hover {
    transform: scale(1.05);
}

/* Tilt Card Effect */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform 0.4s ease;
}
.tilt-card:hover {
    transform: rotateY(5deg) rotateX(5deg) translateZ(20px);
}

/* Parallax Showcase */
.parallax-showcase {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.parallax-showcase-bg {
    position: absolute;
    top: -20%; left: -5%; right: -5%; bottom: -20%;
    background-size: cover;
    background-position: center;
    will-change: transform;
}
.parallax-showcase-content {
    position: relative;
    z-index: 2;
}

/* Split Section */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 80vh;
}
.split-section .split-image {
    position: relative;
    overflow: hidden;
}
.split-section .split-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
}

/* Animated Background Pattern */
.pattern-bg {
    position: relative;
    overflow: hidden;
}
.pattern-bg::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(245,124,32,0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255,193,7,0.05) 0%, transparent 50%);
    pointer-events: none;
}

/* Text Highlight Animation */
.text-highlight {
    position: relative;
    display: inline;
}
.text-highlight::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 100%; height: 30%;
    background: rgba(245,124,32,0.2);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.text-highlight.revealed::after {
    transform: scaleX(1);
}

/* Responsive */
@media (max-width: 768px) {
    .parallax-section { background-attachment: scroll; }
    .split-section { grid-template-columns: 1fr; }
    .split-section .split-content { padding: 40px 20px; }
    .reveal, .reveal-left, .reveal-right, .reveal-scale, .reveal-rotate {
        opacity: 1;
        transform: none;
    }
}