/* Style System for Portfolio Website */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #070a13;
    --bg-card: rgba(17, 24, 39, 0.6);
    --bg-nav: rgba(7, 10, 19, 0.75);
    
    --primary: #8b5cf6;       /* Violet */
    --primary-glow: rgba(139, 92, 246, 0.4);
    --secondary: #06b6d4;     /* Cyan */
    --secondary-glow: rgba(6, 182, 212, 0.3);
    --accent: #3b82f6;        /* Blue */
    
    --text-main: #f8fafc;     /* slate-50 */
    --text-muted: #94a3b8;    /* slate-400 */
    --text-dark: #4b5563;     /* slate-600 */
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(139, 92, 246, 0.3);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Plus Jakarta Sans', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-family);
    overflow-x: hidden;
    line-height: 1.6;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 5px;
    border: 2px solid var(--bg-dark);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: var(--bg-nav);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--primary);
    text-shadow: 0 0 10px var(--primary-glow);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-main);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: var(--transition);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    margin: 5px 0;
    transition: var(--transition);
}

/* Sections Base Styling */
section {
    padding: 100px 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
    position: relative;
    display: inline-block;
    align-self: center;
    background: linear-gradient(135deg, var(--text-main) 30%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    margin: 0.75rem auto 0 auto;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    max-width: 600px;
    align-self: center;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    padding-top: 140px;
    min-height: 100vh;
}

.hero-content {
    flex: 1.2;
}

.hero-subtitle {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 1rem;
    display: inline-block;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-socials {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.social-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    color: var(--text-main);
    background: var(--primary-glow);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--text-main);
    box-shadow: 0 4px 15px var(--primary-glow);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1.5px solid var(--text-main);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.hero-image {
    flex: 0.8;
    display: flex;
    justify-content: center;
    position: relative;
}

.image-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    animation: liquid-shape 8s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(139, 92, 246, 0.25);
}

.image-wrapper img {
    width: 90%;
    height: 90%;
    object-fit: contain;
}

/* Quick Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 1px 1px var(--primary-glow);
}

.project-img {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img i {
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.project-card:hover .project-img i {
    transform: scale(1.1);
    color: var(--primary);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--secondary);
    background: var(--secondary-glow);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.project-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

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

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--primary);
}

/* CV Section */
.cv-container {
    display: flex;
    align-items: center;
    gap: 4rem;
    flex-direction: row;
}

.cv-preview {
    flex: 1;
    border-radius: 16px;
    padding: 2.5rem;
    max-height: 480px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.cv-mock-header {
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.cv-mock-title {
    font-size: 1.8rem;
    font-weight: 700;
}

.cv-mock-subtitle {
    color: var(--primary);
    font-weight: 600;
}

.cv-mock-section {
    margin-bottom: 1.5rem;
}

.cv-mock-section h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cv-mock-item {
    margin-bottom: 0.75rem;
}

.cv-mock-item-title {
    font-weight: 600;
    display: flex;
    justify-content: space-between;
}

.cv-mock-item-date {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.cv-mock-item-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.cv-content {
    flex: 1;
}

.cv-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.cv-content p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.cv-actions {
    display: flex;
    gap: 1.5rem;
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.25rem;
}

.info-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

.info-details p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.contact-form {
    padding: 2.5rem;
    border-radius: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.2rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-family);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.2);
}

textarea.form-control {
    resize: none;
    height: 150px;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    background: #04060b;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-weight: 700;
    font-size: 1.2rem;
}

.footer-logo span {
    color: var(--primary);
}

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

/* Modal Styling */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    height: 85%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

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

.modal-header {
    padding: 1.2rem 2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-weight: 700;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 2rem;
}

/* Animations */
@keyframes liquid-shape {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    50% {
        border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    }
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    section {
        padding: 80px 1.5rem;
    }
    
    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 120px;
        gap: 2rem;
    }
    
    .hero-description {
        margin: 0 auto 2.5rem auto;
    }
    
    .hero-socials {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .cv-container {
        flex-direction: column;
        gap: 3rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--bg-dark);
        flex-direction: column;
        align-items: center;
        padding-top: 4rem;
        transition: var(--transition);
        border-top: 1px solid var(--border-color);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-toggle {
        display: block;
    }
    
    /* Toggle animation */
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .contact-info {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}