/* General Styles - NEW COLOR PALETTE */
:root {
    --color-bg-dark: #13111C;         /* Dark purple background */
    --color-bg-medium: #1E1B2E;       /* Medium dark purple */
    --color-primary: #A277FF;         /* Vibrant purple accent */
    --color-secondary: #E15FED;       /* Bright pink */
    --color-tertiary: #61E2FA;        /* Bright cyan */
    --color-text: #F2F2F2;            /* Light text */
    --color-text-muted: #BFBFD5;      /* Muted light purple text */
    --color-border: #2D2B40;          /* Dark purple border */
    --color-card-bg: rgba(30, 27, 46, 0.8); /* Semi-transparent card bg */
    --color-success: #72F1B8;         /* Mint green */
    --color-warning: #FFD76D;         /* Amber */
    --color-hover-glow: rgba(162, 119, 255, 0.4); /* Purple glow */
    
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Animation variables */
    --transition-slow: 0.5s ease;
    --transition-medium: 0.3s ease;
    --transition-fast: 0.15s ease;
    --cubic-bezier-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Custom scrollbar for better UX */
::-webkit-scrollbar {
    width: 10px;
    background-color: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background-color: var(--color-bg-medium);
    border-radius: 5px;
    border: 2px solid var(--color-bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-primary);
}

::-webkit-scrollbar-track {
    background-color: var(--color-bg-dark);
}

/* Smooth scroll behavior for entire page */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Header with glass morphism effect */
header {
    background-color: rgba(30, 27, 46, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    transition: all var(--transition-medium);
}

/* Header shrink on scroll */
header.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(19, 17, 28, 0.95);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary);
    text-shadow: 0 0 10px rgba(162, 119, 255, 0.4);
    position: relative;
    transition: all var(--transition-medium);
}

.logo:after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-medium);
}

.logo:hover:after {
    width: 100%;
}

nav ul {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin-left: 2rem;
    position: relative;
}

nav ul li a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 1rem;
    transition: color var(--transition-medium);
    padding: 0.5rem 0;
    position: relative;
    display: block;
}

nav ul li a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-tertiary);
    transition: width var(--transition-medium);
}

nav ul li a:hover {
    color: var(--color-tertiary);
}

nav ul li a:hover:before {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform var(--transition-fast);
    z-index: 100;
}

.menu-toggle.active {
    transform: rotate(90deg);
}

main {
    padding-top: 80px;
}

section {
    padding: 4rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
    background-color: transparent;
    margin: 2rem auto;
    max-width: 1400px;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

section:last-of-type {
    border-bottom: none;
}

section h2 {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--color-tertiary);
    position: relative;
    display: inline-block;
}

section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    margin: 0.5rem auto 0;
    transition: width var(--transition-medium);
}

section h2:hover::after {
    width: 100px;
}

/* Animated Background */
#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
    background-color: var(--color-bg-dark);
}

/* Reveal on scroll animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Fade in animations with different directions */
.fade-in-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-down {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.revealed,
.fade-in-down.revealed,
.fade-in-left.revealed,
.fade-in-right.revealed {
    opacity: 1;
    transform: translate(0);
}

/* Staggered animation delays */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* Hero Section with enhanced animations */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--color-text);
    position: relative;
    background: none;
    overflow: hidden;
    padding: 1rem;
}

/* Animated gradient border for hero */
#hero:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary), var(--color-tertiary), var(--color-primary));
    background-size: 300% 100%;
    animation: gradientBorder 10s linear infinite;
}

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

.hero-content {
    z-index: 2;
    text-align: center;
    padding: 2rem;
    animation: fadeIn 1.2s ease-in-out;
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-mono);
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    text-shadow: 0 0 15px rgba(162, 119, 255, 0.3);
    position: relative;
    display: inline-block;
}

/* Animated underline for H1 */
.hero-content h1:after {
    content: '';
    position: absolute;
    width: 0;
    height: 4px;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-slow);
}

.hero-content:hover h1:after {
    width: 100%;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--color-secondary);
}

/* Enhanced CTA Button */
.cta-button {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
    display: inline-block;
    z-index: 1;
    margin-top: 1.5rem;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-tertiary));
    z-index: -1;
    border-radius: 7px;
    animation: glowing 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Shine effect for buttons */
.cta-button:after, .cta-link:after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    background: radial-gradient(circle at var(--shine-x, 0) var(--shine-y, 0), rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 60%);
    border-radius: 5px;
    transform: translate(-50%, -50%);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s, width 0.3s, height 0.3s;
}

.cta-button:hover:after, .cta-link:hover:after {
    opacity: 1;
    width: 300px;
    height: 300px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(162, 119, 255, 0.4);
}

.cta-button:hover::before {
    opacity: 1;
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}

/* Animated typing effect */
.typing-effect {
    position: relative;
    display: inline-block;
}

.typing-effect.typing::after {
    content: '|';
    display: inline-block;
    animation: blink 0.7s infinite;
}

/* About Section */
#about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* Skills Section with enhanced animations */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.skill-item {
    background-color: var(--color-bg-medium);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-size: 1.1rem;
    transition: transform 0.5s var(--cubic-bezier-bounce), box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid rgba(97, 226, 250, 0.1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
}

.skill-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.skill-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px var(--color-hover-glow);
    border-color: var(--color-tertiary);
}

/* Glowing effect on hover */
.skill-item::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-tertiary), var(--color-secondary));
    z-index: -1;
    border-radius: 10px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.skill-item:hover::before {
    opacity: 0.3;
}

/* Enhanced Projects Section */
#projects {
    padding: 5rem 2rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 2rem auto;
}

.project-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transition: all 0.4s var(--cubic-bezier-bounce);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border);
    transform-style: preserve-3d; /* For 3D effect */
    will-change: transform;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.03);
    box-shadow: 0 15px 35px var(--color-hover-glow);
    border-color: var(--color-primary);
    z-index: 5;
}

.project-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.5s ease, filter 0.5s ease;
    filter: brightness(0.9);
}

.project-card:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.project-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.project-card h3 {
    font-size: 1.6rem;
    color: var(--color-tertiary);
    margin: 0 0 1rem 0;
    position: relative;
    padding-bottom: 0.8rem;
    transition: color var(--transition-medium);
}

.project-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transition: width var(--transition-medium);
}

.project-card:hover h3::after {
    width: 100%;
}

.project-card p {
    font-size: 1rem;
    margin: 0 0 1.2rem 0;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    margin-top: auto;
}

.tech-tag {
    background-color: rgba(225, 95, 237, 0.2);
    color: var(--color-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    display: inline-block;
    border: 1px solid rgba(225, 95, 237, 0.3);
    transition: all var(--transition-medium);
}

.tech-tag:hover {
    background-color: rgba(225, 95, 237, 0.3);
    transform: translateY(-2px);
}

.project-card .cta-link {
    display: inline-block;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text);
    padding: 0.9rem 1.8rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-align: center;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    margin-top: 1.2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    text-transform: uppercase;
    font-size: 0.9rem;
}

.project-card .cta-link:hover {
    background: linear-gradient(45deg, var(--color-secondary), var(--color-tertiary));
    box-shadow: 0 7px 20px var(--color-hover-glow);
    transform: translateY(-5px) scale(1.03);
}

.project-card .cta-link: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 0.7s ease;
}

.project-card .cta-link:hover:before {
    left: 100%;
}

.project-card .cta-link:after {
    content: '→';
    margin-left: 0;
    opacity: 0;
    transition: all 0.3s ease;
    position: absolute;
    right: 25px;
}

.project-card .cta-link:hover:after {
    opacity: 1;
    margin-left: 8px;
}

/* Enhanced Request Service Section */
#request-form {
    max-width: 700px;
    margin: 0 auto;
    text-align: left;
    background-color: var(--color-bg-medium);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

#request-form:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-5px);
}

#request-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--color-tertiary);
    transition: color var(--transition-fast);
}

#request-form input[type="text"],
#request-form input[type="email"],
#request-form input[type="tel"],
#request-form input[type="url"],
#request-form textarea {
    width: calc(100% - 22px);
    padding: 0.8rem;
    margin-bottom: 1rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
    background-color: #15131F;
    color: var(--color-text);
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#request-form input:focus,
#request-form textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(162, 119, 255, 0.1);
}

#request-form textarea {
    resize: vertical;
}

#request-form button[type="submit"] {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: block;
    width: 100%;
    position: relative;
    overflow: hidden;
}

#request-form button[type="submit"]:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--color-hover-glow);
}

/* Enhanced Contact Section */
#contact {
    position: relative;
}

.contact-decoration {
    position: absolute;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-primary), transparent 70%);
    opacity: 0.1;
    filter: blur(25px);
    z-index: -1;
}

.contact-decoration:nth-child(1) {
    top: 10%;
    left: 5%;
    animation: floatBubble 8s ease-in-out infinite;
}

.contact-decoration:nth-child(2) {
    bottom: 10%;
    right: 5%;
    animation: floatBubble 12s ease-in-out infinite reverse;
}

@keyframes floatBubble {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(15px, -15px); }
}

.whatsapp-button {
    background-color: #25D366;
    color: #fff;
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    display: inline-block;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.whatsapp-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 0.7s ease;
}

.whatsapp-button:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(18, 140, 126, 0.4);
}

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

/* Enhanced Footer */
footer {
    background-color: var(--color-bg-medium);
    padding: 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--color-primary), 
        var(--color-secondary), 
        var(--color-tertiary), 
        transparent
    );
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--color-tertiary);
    font-size: 1.8rem;
    transition: all var(--transition-medium);
    position: relative;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    background: var(--color-bg-dark);
    box-shadow: 0 4px 15px rgba(97, 226, 250, 0.15);
    text-decoration: none;
    border: 2px solid transparent;
}

.social-links a:hover {
    color: var(--color-text);
    transform: translateY(-5px) rotate(5deg);
    box-shadow: 0 8px 25px rgba(97, 226, 250, 0.3);
    border-color: var(--color-tertiary);
}

.social-links a:before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 15px;
    background: linear-gradient(45deg, var(--color-tertiary), #4A90E2);
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: -1;
}

.social-links a:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-tertiary), #4A90E2);
    transition: width var(--transition-medium);
    border-radius: 2px;
}

.social-links a:hover:before {
    opacity: 0.2;
}

.social-links a:hover:after {
    width: 80%;
}

.social-links a i {
    transition: all var(--transition-medium);
    filter: drop-shadow(0 2px 4px rgba(97, 226, 250, 0.3));
}

.social-links a:hover i {
    transform: scale(1.2);
    filter: drop-shadow(0 4px 8px rgba(97, 226, 250, 0.5));
}

footer p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Mobile menu enhancements */
@media (max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--color-bg-medium);
        position: absolute;
        top: 60px;
        left: 0;
        padding: 1rem 0;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        transform: translateY(-10px);
        opacity: 0;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }

    nav ul.active {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }

    nav ul li {
        margin: 1rem 0;
        text-align: center;
    }

    .menu-toggle {
        display: block;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    section h2 {
        font-size: 2rem;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    #request-form input[type="text"],
    #request-form input[type="email"],
    #request-form input[type="tel"],
    #request-form input[type="url"],
    #request-form textarea {
        width: calc(100% - 20px);
    }
}

/* Additional animations */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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