/* Scroll Animations - Ultra Clean */

/* Base states for elements before animation - optimized */
.animate-on-scroll {
    opacity: 0;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94); /* Optimized easing */
}

.animate-fade-in {
    opacity: 0;
    transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-up {
    opacity: 0;
    transform: translate3d(0, 30px, 0); /* Use translate3d for GPU acceleration */
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-right {
    opacity: 0;
    transform: translate3d(-30px, 0, 0);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-slide-left {
    opacity: 0;
    transform: translate3d(30px, 0, 0);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-scale {
    opacity: 0;
    transform: scale3d(0.95, 0.95, 1); /* Use scale3d for GPU acceleration */
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.animate-stagger {
    opacity: 0;
    transform: translate3d(0, 25px, 0);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Active states when element is visible - optimized */
.animate-on-scroll.animate-in,
.animate-fade-in.animate-in {
    opacity: 1;
}

.animate-slide-up.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.animate-slide-right.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.animate-slide-left.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.animate-scale.animate-in {
    opacity: 1;
    transform: scale3d(1, 1, 1);
}

.animate-stagger.animate-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

.animate-stagger:nth-child(1) { transition-delay: 0ms; }
.animate-stagger:nth-child(2) { transition-delay: 100ms; }
.animate-stagger:nth-child(3) { transition-delay: 200ms; }
.animate-stagger:nth-child(4) { transition-delay: 300ms; }
.animate-stagger:nth-child(5) { transition-delay: 400ms; }
.animate-stagger:nth-child(6) { transition-delay: 500ms; }

.nav.scrolled {
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.page_portfolio_items_card {
    transition: all 0.3s ease;
}

.page-section {
    opacity: 0;
    transform: translateY(30px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.page-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.parallax-element {
    will-change: transform;
    transition: transform 0.1s ease-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

.bounce {
    animation: bounce 2s infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float {
    animation: float 3s ease-in-out infinite;
}

.fade-out {
    opacity: 0 !important;
    transform: scale(0.95) !important;
    transition: all 0.2s ease !important;
}

.fade-in {
    opacity: 1 !important;
    transform: scale(1) !important;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.nav__bar.active {
    animation: slideInDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

html {
    scroll-behavior: smooth;
}

@keyframes pageLoad {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container {
    animation: pageLoad 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-on-scroll,
.animate-fade-in,
.animate-slide-up,
.animate-slide-right,
.animate-slide-left,
.animate-scale,
.animate-stagger,
.page-section,
.nav {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.animate-in {
    will-change: auto;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll,
    .animate-fade-in,
    .animate-slide-up,
    .animate-slide-right,
    .animate-slide-left,
    .animate-scale,
    .animate-stagger {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}

/* Navbar fade-in Animation */
@keyframes fadeInFromTop {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideInFromRight {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInFromTop {
    0% {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

@keyframes timelineLoad {
    0% {
        height: 0;
        background: linear-gradient(180deg, #000000 0%, #333333 100%);
    }
    100% {
        height: 100%;
        background: linear-gradient(180deg, #000000 0%, #333333 100%);
    }
}

@keyframes pointAppear {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Background Rectangles Animation for Homepage */
@keyframes floatingRectangles {
    0% {
        background-position: 0% 0%, 0% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        background-position: 2% 1%, 1% 2%;
        transform: translate(1px, -2px) rotate(0.5deg);
    }
    50% {
        background-position: 4% 2%, 2% 4%;
        transform: translate(2px, 0px) rotate(0deg);
    }
    75% {
        background-position: 2% 3%, 3% 2%;
        transform: translate(1px, 2px) rotate(-0.5deg);
    }
    100% {
        background-position: 0% 4%, 4% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
}

@keyframes floatingRectanglesAbout {
    0% {
        background-position: 0% 0%, 0% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
    20% {
        background-position: 1% 0.5%, 0.5% 1%;
        transform: translate(0.5px, -1px) rotate(0.2deg);
    }
    40% {
        background-position: 2% 1%, 1% 2%;
        transform: translate(1px, 0px) rotate(0deg);
    }
    60% {
        background-position: 1.5% 1.5%, 1.5% 1.5%;
        transform: translate(0.5px, 1px) rotate(-0.2deg);
    }
    80% {
        background-position: 0.5% 2%, 2% 0.5%;
        transform: translate(0px, 0.5px) rotate(0.1deg);
    }
    100% {
        background-position: 0% 2.5%, 2.5% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
}

@keyframes floatingRectanglesPortfolio {
    0% {
        background-position: 0% 0%, 0% 0%;
        transform: translate(0, 0);
    }
    33% {
        background-position: 1.5% 1%, 1% 1.5%;
        transform: translate(1px, -0.5px);
    }
    66% {
        background-position: 3% 2%, 2% 3%;
        transform: translate(0.5px, 1px);
    }
    100% {
        background-position: 0% 3%, 3% 0%;
        transform: translate(0, 0);
    }
}

@keyframes floatingRectanglesContact {
    0% {
        background-position: 0% 0%, 0% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
    30% {
        background-position: 1% 0.8%, 0.8% 1%;
        transform: translate(0.8px, -1.2px) rotate(0.3deg);
    }
    60% {
        background-position: 2% 1.6%, 1.6% 2%;
        transform: translate(1.2px, 0.4px) rotate(-0.1deg);
    }
    100% {
        background-position: 0% 2.4%, 2.4% 0%;
        transform: translate(0, 0) rotate(0deg);
    }
}