/* =================== MODERN ENHANCEMENTS =================== */
/* Futuristic Animation & Effects Library */

/* =================== SCROLL REVEAL =================== */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal.scrolled {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Children Animation */
.scroll-reveal.scrolled .skill-logo-item,
.scroll-reveal.scrolled .project-item,
.scroll-reveal.scrolled .contact-item {
    animation: slideUp 0.6s ease forwards;
    opacity: 0;
}

.scroll-reveal.scrolled .skill-logo-item:nth-child(1) { animation-delay: 0.1s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(2) { animation-delay: 0.15s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(3) { animation-delay: 0.2s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(4) { animation-delay: 0.25s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(5) { animation-delay: 0.3s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(6) { animation-delay: 0.35s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(7) { animation-delay: 0.4s; }
.scroll-reveal.scrolled .skill-logo-item:nth-child(8) { animation-delay: 0.45s; }

.scroll-reveal.scrolled .project-item:nth-child(1) { animation-delay: 0.1s; }
.scroll-reveal.scrolled .project-item:nth-child(2) { animation-delay: 0.2s; }
.scroll-reveal.scrolled .project-item:nth-child(3) { animation-delay: 0.3s; }
.scroll-reveal.scrolled .project-item:nth-child(4) { animation-delay: 0.4s; }
.scroll-reveal.scrolled .project-item:nth-child(5) { animation-delay: 0.5s; }

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

/* =================== FADE IN UTILITIES =================== */
.fade-in {
    opacity: 0;
    transform: translateY(25px);
    animation: fadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.fade-in.delay-1 { animation-delay: 0.15s; }
.fade-in.delay-2 { animation-delay: 0.3s; }
.fade-in.delay-3 { animation-delay: 0.45s; }
.fade-in.delay-4 { animation-delay: 0.6s; }
.fade-in.delay-5 { animation-delay: 0.75s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =================== SKILLS LOGO GRID =================== */
.skills-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    margin-top: 2rem;
}

.skill-logo-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg, 24px);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.skill-logo-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.skill-logo-item::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 40%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 60%
    );
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.skill-logo-item:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15), 
                0 0 0 1px rgba(99, 102, 241, 0.1);
}

.skill-logo-item:hover::before {
    opacity: 0.05;
}

.skill-logo-item:hover::after {
    transform: translateX(100%);
}

.skill-logo-item i {
    font-size: 48px;
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    z-index: 1;
}

.skill-logo-item:hover i {
    transform: scale(1.2) rotate(5deg);
}

.skill-logo-item span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--body-color);
    position: relative;
    z-index: 1;
}

/* =================== NEO-MODERN CARD STYLE =================== */
.card-neo {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.card-neo::before {
    content: '';
    position: absolute;
    top: -100%;
    right: -100%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    transform: translate3d(0, 0, 0);
    pointer-events: none;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.card-neo:hover::before {
    opacity: 1;
    animation: glowMove 3s ease-in-out infinite;
}

@keyframes glowMove {
    0%, 100% { transform: translate(-30%, -30%); }
    50% { transform: translate(30%, 30%); }
}

/* =================== ANIMATED BACKGROUND ORBS =================== */
.bg-orbs {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.bg-orbs .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
}

.bg-orbs .orb-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.4), rgba(139, 92, 246, 0.2));
    top: -10%;
    left: -5%;
    animation: floatOrb1 20s ease-in-out infinite;
}

.bg-orbs .orb-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.3), rgba(99, 102, 241, 0.2));
    bottom: 10%;
    right: -5%;
    animation: floatOrb2 25s ease-in-out infinite;
}

.bg-orbs .orb-3 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, rgba(244, 114, 182, 0.3), rgba(167, 139, 250, 0.2));
    top: 50%;
    left: 60%;
    animation: floatOrb3 18s ease-in-out infinite;
}

@keyframes floatOrb1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, 60px) scale(1.1); }
    66% { transform: translate(-30px, 40px) scale(0.95); }
}

@keyframes floatOrb2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, -40px) scale(1.05); }
    66% { transform: translate(40px, -60px) scale(0.9); }
}

@keyframes floatOrb3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-40px, 50px) scale(1.15); }
}

/* =================== NAVBAR GLASS EFFECT =================== */
#header {
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    background-color: var(--header-bg);
}

/* =================== BUTTON ANIMATIONS =================== */
/* Disabled - was causing button size bugs */
/*
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}
*/

/* =================== IMAGE HOVER EFFECTS =================== */
.card-neo .image-container {
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.card-neo:hover .image-container {
    transform: scale(1.02);
}

/* =================== TEXT REVEAL ANIMATION =================== */
.text-reveal {
    overflow: hidden;
}

.text-reveal span {
    display: inline-block;
    transform: translateY(100%);
    opacity: 0;
    animation: textReveal 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes textReveal {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* =================== SMOOTH UNDERLINE EFFECT =================== */
.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.hover-underline:hover::after {
    width: 100%;
}

/* =================== MAGNETIC BUTTON EFFECT =================== */
.btn-magnetic {
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* =================== TILT CARD EFFECT =================== */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.tilt-card:hover {
    transform: rotateX(5deg) rotateY(5deg);
}

/* =================== SHIMMER LOADING EFFECT =================== */
.shimmer {
    background: linear-gradient(
        90deg,
        var(--card-bg) 0%,
        var(--light-bg) 50%,
        var(--card-bg) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* =================== MOBILE MENU STYLES =================== */
@media (max-width: 900px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--card-bg);
        border-left: 1px solid var(--border-color);
        padding: 100px 30px 40px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        box-shadow: -20px 0 40px rgba(0, 0, 0, 0.1);
        transition: right 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 998;
    }

    .nav-links.active {
        right: 0;
    }

    .menu-toggle {
        display: flex;
    }
}

/* =================== CURSOR EFFECTS =================== */
.custom-cursor {
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.1s ease, opacity 0.3s ease;
    mix-blend-mode: difference;
}

.custom-cursor.active {
    transform: scale(1.5);
    opacity: 0.5;
}

/* =================== SECTION BACKGROUND PATTERNS =================== */
.pattern-dots {
    background-image: radial-gradient(circle, var(--border-color) 1px, transparent 1px);
    background-size: 24px 24px;
}

.pattern-grid {
    background-image: 
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
}

/* =================== PARTICLE EFFECT CONTAINER =================== */
.particles-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat 15s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* =================== SCROLL PROGRESS BAR =================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: 10000;
    transition: width 0.1s ease;
}

/* =================== REDUCED MOTION =================== */
@media (prefers-reduced-motion: reduce) {
    .scroll-reveal,
    .fade-in,
    .skill-logo-item,
    .project-item,
    .btn,
    .orb,
    .particle {
        transition: none !important;
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
    
    .bg-orbs .orb {
        animation: none !important;
    }
}

/* =================== LOADING ANIMATION =================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* =================== GRADIENT TEXT =================== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =================== FLOATING ANIMATION =================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

/* =================== GLOW EFFECT =================== */
.glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3),
                0 0 40px rgba(99, 102, 241, 0.2),
                0 0 60px rgba(99, 102, 241, 0.1);
}

/* =================== SECTION DIVIDERS =================== */
.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 0 auto;
    max-width: 80%;
}

/* =================== GLASSMORPHISM CARD =================== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* =================== STAGGER ANIMATION DELAYS =================== */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }
.stagger-6 { animation-delay: 0.6s; }

/* =================== FOCUS STYLES FOR ACCESSIBILITY =================== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}