/* Custom CSS for MKookie Portfolio */

/* Root Variables */
:root {
    --primary-color: #f4d03f;
    --secondary-color: #1a1a1a;
    --dark-bg: #0d0d0d;
    --light-text: #ffffff;
    --gray-text: #cccccc;
    --accent-color: #ffd700;
    --gradient-primary: linear-gradient(135deg, #f4d03f 0%, #ffd700 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

.text-gold {
    color: var(--primary-color);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Navigation */
.custom-navbar {
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.custom-navbar.scrolled {
    background: rgba(13, 13, 13, 0.98);
    padding: 0.5rem 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-text);
}

.brand-slogan {
    font-size: 0.8rem;
    color: var(--primary-color);
    font-weight: 400;
}

.navbar-nav .nav-link {
    color: var(--light-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-dark);
    display: flex;
    align-items: center;
    padding: 100px 0;
}

.hero-content {
    padding: 2rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--light-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray-text);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.hero-image {
    width: 300px;
    height: 300px;
    background: var(--gradient-primary);
    border-radius: 50%;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-animation {
    position: absolute;
    width: 80%;
    height: 80%;
}

.code-line {
    height: 4px;
    background: var(--secondary-color);
    margin: 10px 0;
    border-radius: 2px;
    animation: codeTyping 2s infinite;
}

.code-line:nth-child(1) { width: 80%; animation-delay: 0s; }
.code-line:nth-child(2) { width: 60%; animation-delay: 0.5s; }
.code-line:nth-child(3) { width: 90%; animation-delay: 1s; }
.code-line:nth-child(4) { width: 70%; animation-delay: 1.5s; }

@keyframes codeTyping {
    0%, 50% { opacity: 0.3; }
    25% { opacity: 1; }
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--secondary-color);
    border: 2px solid transparent;
}

.btn-primary:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-gold {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-gold:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

/* Section Styling */
.section-padding {
    padding: 80px 0;
}

.bg-dark {
    background: var(--gradient-dark);
}

.section-title {
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--gray-text);
}

/* About Section */
.about-stats {
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1rem;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

.tech-stack-visual {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 300px;
    margin: 0 auto;
}

.tech-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--secondary-color);
    transition: all 0.3s ease;
}

.tech-icon:hover {
    transform: translateY(-10px);
}

/* Skills Section */
.skills-content {
    padding: 2rem 0;
}

.skill-item {
    margin-bottom: 2rem;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.skill-info h5 {
    color: var(--light-text);
    margin-bottom: 0;
}

.skill-percentage {
    color: var(--primary-color);
    font-weight: 600;
}

.progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-bar {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 4px;
    transition: width 0.6s ease;
}

.skill-description {
    color: var(--gray-text);
    font-size: 0.9rem;
}

.skills-visual {
    padding: 2rem;
}

.skill-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.skill-category {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.skill-category i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill-category h4 {
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.skill-category p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Projects Section */
.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    height: 200px;
    position: relative;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--secondary-color);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: var(--light-text);
    color: var(--secondary-color);
}

.project-content {
    padding: 1.5rem;
}

.project-content h4 {
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.project-content p {
    color: var(--gray-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 2rem;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 2rem;
}

.timeline-date {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    min-width: 120px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.timeline-content h4 {
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.timeline-content h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.timeline-content p {
    color: var(--gray-text);
    margin-bottom: 1rem;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content li {
    color: var(--gray-text);
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-content li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Testimonials */
.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    color: var(--gray-text);
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h5 {
    color: var(--light-text);
    margin-bottom: 0.2rem;
}

.author-info span {
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Contact Section */
.contact-info {
    padding: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.contact-details h5 {
    color: var(--light-text);
    margin-bottom: 0.5rem;
}

.contact-details p {
    color: var(--gray-text);
    margin-bottom: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-text);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--secondary-color);
}

/* Contact Form */
.contact-form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(244, 208, 63, 0.25);
}

.form-control::placeholder {
    color: var(--gray-text);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer-section {
    background: var(--secondary-color);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-content p {
    color: var(--gray-text);
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .skill-categories {
        grid-template-columns: 1fr;
    }
    
    .tech-stack-visual {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        padding-left: 60px;
    }
    
    .timeline-item:nth-child(odd) {
        flex-direction: column;
    }
    
    .timeline-item:nth-child(odd) .timeline-content {
        margin-right: 0;
        text-align: left;
    }
    
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
    }
    
    .timeline-date {
        position: absolute;
        left: -60px;
        top: 0;
        min-width: 100px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 60px 0;
    }
    
    .tech-stack-visual {
        grid-template-columns: 1fr;
    }
    
    .brand-name {
        font-size: 1.2rem;
    }
    
    .brand-slogan {
        font-size: 0.7rem;
    }
}

/* Animation Classes */
.wow {
    visibility: hidden;
}

.animated {
    visibility: visible;
}

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

/* Loading animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

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