/* ========================================
   Scroll Animations
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-animate="fade-up"].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate="fade-right"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-left"].animated {
    opacity: 1;
    transform: translateX(0);
}

[data-animate="fade-in"] {
    transform: none;
}

[data-animate="fade-in"].animated {
    opacity: 1;
}

[data-animate="scale-up"] {
    transform: scale(0.8);
}

[data-animate="scale-up"].animated {
    opacity: 1;
    transform: scale(1);
}

/* ========================================
   Hover Animations
   ======================================== */
.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-glass);
    border-radius: var(--radius-sm);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
    z-index: -1;
}

.nav-link:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

/* ========================================
   Glitch Effect for Hero Name
   ======================================== */
.hero-name {
    position: relative;
}

/* ========================================
   Tilt Effect on Cards
   ======================================== */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

/* ========================================
   Gradient Text Animation
   ======================================== */
.gradient-animate {
    background-size: 200% auto;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

/* ========================================
   Magnetic Button Effect
   ======================================== */
.magnetic {
    transition: transform var(--transition-base);
}

/* ========================================
   Stagger Animation for Grid Items
   ======================================== */
.skills-grid .skill-card:nth-child(1) { transition-delay: 0.05s; }
.skills-grid .skill-card:nth-child(2) { transition-delay: 0.1s; }
.skills-grid .skill-card:nth-child(3) { transition-delay: 0.15s; }
.skills-grid .skill-card:nth-child(4) { transition-delay: 0.2s; }
.skills-grid .skill-card:nth-child(5) { transition-delay: 0.25s; }
.skills-grid .skill-card:nth-child(6) { transition-delay: 0.3s; }

/* ========================================
   Form Input Animations
   ======================================== */
.form-group input,
.form-group textarea {
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
}

/* ========================================
   Project Card Hover Effects
   ======================================== */
.project-link:nth-child(1) {
    transition-delay: 0.05s;
}

.project-link:nth-child(2) {
    transition-delay: 0.15s;
}

/* ========================================
   Timeline Animations
   ======================================== */
.timeline-item:nth-child(odd) .timeline-content {
    animation-name: slideRight;
}

.timeline-item:nth-child(even) .timeline-content {
    animation-name: slideLeft;
}

/* ========================================
   Smooth Number Counter
   ======================================== */
.stat-number {
    transition: all 0.3s ease;
}

/* ========================================
   Loading Skeleton
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-secondary) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

/* ========================================
   Ripple Effect
   ======================================== */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    background-image: radial-gradient(circle, var(--accent-primary) 10%, transparent 10.01%);
    background-repeat: no-repeat;
    background-position: 50%;
    transform: scale(10, 10);
    opacity: 0;
    transition: transform 0.5s, opacity 0.8s;
}

.ripple:active::after {
    transform: scale(0, 0);
    opacity: 0.3;
    transition: 0s;
}

/* ========================================
   Noise Background Texture
   ======================================== */
.noise-bg::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
    z-index: 0;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}