/* Custom Styles for Lighten Labs */

* {
    font-family: 'Inter', sans-serif;
}

/* Glassmorphism Effects */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Navigation Link Animations */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #60a5fa, #67e8f9);
    transition: width 0.3s ease;
}

.nav-link.active::after {
    width: 100%;
}

.nav-link:hover::after {
    width: 100%;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay-1 {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.animate-fade-in-delay-3 {
    animation: fadeIn 1s ease-out 0.9s both;
}

.animate-slide-up {
    animation: slideUp 1s ease-out 0.3s both;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
    transition: transform 0.05s ease-out;
    will-change: transform;
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Portfolio Filter Buttons */
.filter-btn {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.8);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: inline-block;
    cursor: pointer;
}

.filter-btn:hover {
    border-color: rgba(59, 130, 246, 0.6);
    color: white;
    background: rgba(59, 130, 246, 0.1);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

/* Portfolio Cards */
.portfolio-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(59, 130, 246, 0.5);
}

.portfolio-card.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

/* CTA Buttons */
.cta-button {
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

/* Form Styles */
input:focus,
textarea:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Particle Background */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(59, 130, 246, 0.5);
    border-radius: 50%;
    animation: float-particle 20s infinite linear;
}

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 40;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu a {
    font-size: 2rem;
    margin: 1rem 0;
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: #3b82f6;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb, #0891b2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .glass-card {
        margin: 1rem 0;
    }
    
    .portfolio-card {
        margin-bottom: 2rem;
    }
}

/* Hover Effects */
.hvr-grow {
    display: inline-block;
    vertical-align: middle;
    transform: perspective(1px) translateZ(0);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0);
    transition-duration: 0.3s;
    transition-property: transform;
}

.hvr-grow:hover,
.hvr-grow:focus,
.hvr-grow:active {
    transform: scale(1.1);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6, #06b6d4, #8b5cf6);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 90%;
    max-height: 90%;
    overflow-y: auto;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: scale(1);
}

/* Success Animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #4ade80;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px #4ade80;
    animation: fill 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
}

.success-checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #4ade80;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #4ade80;
    }
}

/* Section Isolation */
section {
    position: relative;
    z-index: 1;
    opacity: 0.9;
    transform: translateY(10px);
    transition: all 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

section#home {
    z-index: 2;
    opacity: 1;
    transform: translateY(0);
}

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

/* Ensure proper containment */
.container {
    position: relative;
    z-index: 10;
}

/* Enhanced parallax effects */
@keyframes sectionSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Smooth transitions for parallax elements */
#particles-container {
    transition: transform 0.05s ease-out;
    will-change: transform;
}