/* Custom Animations and Styles */

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Animations */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(212, 175, 55, 0.6);
    }
}

@keyframes slide-in-left {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slide-in-right {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* Apply Animations */
.animate-fade-in-up {
    animation: fade-in-up 0.8s ease-out forwards;
    opacity: 0;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

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

.animate-slide-in-left {
    animation: slide-in-left 0.8s ease-out forwards;
}

.animate-slide-in-right {
    animation: slide-in-right 0.8s ease-out forwards;
}

/* Particle Background */
#particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(212, 175, 55, 0.6);
    border-radius: 50%;
    animation: float-particle 20s linear infinite;
}

@keyframes float-particle {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(100px);
        opacity: 0;
    }
}

/* Navbar Scrolled State */
#navbar.scrolled {
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #D4AF37;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #f0c850;
}

/* Skill Progress Bar Animation */
.skill-bar {
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

/* Portfolio Item Hover Effect */
.portfolio-item {
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-10px);
}

/* Service Card Animation */
.service-card {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.2);
}

/* Form Focus States */
input:focus,
textarea:focus {
    outline: none;
    border-color: #D4AF37;
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* Button Hover Effects */
button,
a.button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

button:hover,
a.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(212, 175, 55, 0.3);
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

/* Success/Error Messages */
.success-message {
    background-color: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .animate-fade-in-up {
        animation-duration: 0.6s;
    }
}

/* Intersection Observer Fade In */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-section.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Skill Badge Animation */
.skill-badge {
    opacity: 0;
    animation: fade-in-up 0.5s ease-out forwards;
}

/* Back to Top Button Visible State */
#back-to-top.visible {
    transform: translateY(0);
    opacity: 1;
}

/* Text Selection */
::selection {
    background-color: #D4AF37;
    color: #000;
}

::-moz-selection {
    background-color: #D4AF37;
    color: #000;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #D4AF37 0%, #f0c850 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Card Hover Glow */
.card-glow:hover {
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.3);
}