/* =====================================================
   Animations & Effects
   ===================================================== */

/* === Gradient Glow Animation === */
@keyframes glowPulse {
    0%, 100% {
        filter: drop-shadow(0 0 20px var(--glow-primary));
    }
    50% {
        filter: drop-shadow(0 0 40px var(--glow-primary));
    }
}

.gradient-text {
    animation: glowPulse 3s ease-in-out infinite;
}

/* === Floating Animation === */
@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(5deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes floatReverse {
    0%, 100% {
        transform: translateY(0) rotate(-5deg);
    }
    50% {
        transform: translateY(-15px) rotate(-5deg);
    }
}

.floating-frame--1 {
    animation: float 6s ease-in-out infinite;
}

.floating-frame--2 {
    animation: floatReverse 7s ease-in-out infinite;
}

/* === Parallax Layer Animation === */
@keyframes drift {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(20px, -20px);
    }
    50% {
        transform: translate(-10px, 10px);
    }
    75% {
        transform: translate(-20px, -10px);
    }
}

.parallax-layer--1 {
    animation: drift 20s ease-in-out infinite;
}

.parallax-layer--2 {
    animation: drift 25s ease-in-out infinite reverse;
}

.parallax-layer--3 {
    animation: drift 30s ease-in-out infinite;
}

/* === Stats Counter Animation === */
.stat-number {
    display: inline-block;
}

/* === Button Shine Effect === */
@keyframes shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.btn--primary:hover::before {
    animation: shine 0.5s ease forwards;
}

/* === Portfolio Item Hover === */
.portfolio__card {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.portfolio__card:hover {
    transform: translateY(-8px);
}

/* === Scroll Progress Indicator === */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-primary);
    z-index: calc(var(--z-fixed) + 1);
    transition: width 0.1s ease;
}

/* === Loading Animation === */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--glass-border);
    border-top-color: var(--glow-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* === Text Reveal Animation === */
@keyframes revealText {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Neon Glow Effect === */
.neon-glow {
    text-shadow:
        0 0 5px var(--glow-primary),
        0 0 10px var(--glow-primary),
        0 0 20px var(--glow-primary),
        0 0 40px var(--glow-primary);
}

/* === Card Tilt Effect (CSS only approximation) === */
.tilt-card {
    transform-style: preserve-3d;
    perspective: 1000px;
}

.tilt-card:hover {
    transform: rotateX(2deg) rotateY(2deg);
}

/* === Pulse Ring Effect === */
@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.pulse-ring {
    position: relative;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    border: 2px solid var(--glow-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(1);
    animation: pulseRing 2s ease-out infinite;
}

/* === Gradient Border Animation === */
@keyframes gradientBorder {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-border {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
}

.gradient-border::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #f5576c, #667eea);
    background-size: 300% 300%;
    border-radius: calc(var(--radius-xl) + 2px);
    z-index: -1;
    animation: gradientBorder 4s ease infinite;
}

/* === Skill Item Hover Glow === */
.skill-item {
    position: relative;
    overflow: hidden;
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    opacity: 0.3;
}

.skill-item:hover::before {
    width: 200%;
    height: 200%;
}

/* === Smooth Section Transitions === */
section {
    opacity: 1;
    transition: opacity 0.6s ease;
}

/* === Mobile Menu Animation === */
.header__nav {
    transition: transform var(--transition-base), opacity var(--transition-base);
}

@media (max-width: 767px) {
    .header__nav {
        pointer-events: none;
        opacity: 0;
        transition: opacity var(--transition-base);
    }

    .header__nav.active {
        opacity: 1;
        pointer-events: auto;
    }
}

/* === Form Success Animation === */
@keyframes successPop {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.form-success {
    animation: successPop 0.5s ease forwards;
}

/* === Image Loading Placeholder === */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.image-loading {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 25%,
        var(--bg-elevated) 50%,
        var(--bg-tertiary) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* === Cursor Glow (for touch of magic) === */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-fast);
}

/* === AOS Custom Animations === */
[data-aos="fade-up"] {
    transform: translateY(30px);
    opacity: 0;
    transition-property: transform, opacity;
}

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

[data-aos="fade-left"] {
    transform: translateX(30px);
    opacity: 0;
    transition-property: transform, opacity;
}

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

[data-aos="fade-right"] {
    transform: translateX(-30px);
    opacity: 0;
    transition-property: transform, opacity;
}

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

[data-aos="zoom-in"] {
    transform: scale(0.8);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
    opacity: 1;
}