/* ===== CSS Variables ===== */
:root {
    --primary-bg: #0b0b0b;
    --secondary-bg: #161616;
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #3b82f6;
    --accent-hover: #2563eb;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Navbar ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 80px;
    background: rgba(11, 11, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 40px 20px;
}

.hero-content h1 {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #a0a0a0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--text-secondary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(10px); }
}

/* ===== Animations ===== */
.fade-in {
    animation: fadeIn 1s ease-out;
}

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

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

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

/* ===== Sections ===== */
.section {
    padding: 120px 20px;
}

.section-title {
    font-size: clamp(36px, 5vw, 48px);
    text-align: center;
    margin-bottom: 60px;
    font-weight: 700;
}

/* ===== About Section ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.skill-tag {
    padding: 10px 20px;
    background: var(--secondary-bg);
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

/* ===== Cards ===== */
.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 600;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.card a {
    display: inline-block;
    margin-top: 15px;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.card a:hover {
    color: var(--accent-hover);
}

.badge {
    display: inline-block;
    margin-top: 15px;
    padding: 6px 12px;
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

/* ===== Works Section ===== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.work-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.work-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.work-image {
    width: 100%;
    height: 250px;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.work-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.work-item:hover .work-image img {
    transform: scale(1.1);
}

.work-content {
    padding: 30px;
}

.work-content h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.work-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.work-tags span {
    padding: 6px 12px;
    background: var(--secondary-bg);
    border-radius: 6px;
    font-size: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== Contact Section ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 28px;
    margin-bottom: 15px;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-method {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-method .icon {
    font-size: 32px;
}

.contact-method h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.contact-method a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method a:hover {
    color: var(--accent-hover);
}

/* ===== Contact Form ===== */
.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px;
    background: var(--secondary-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.submit-button {
    width: 100%;
    padding: 16px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.submit-button:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* ===== Footer ===== */
footer {
    background: var(--secondary-bg);
    padding: 40px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* ===== Loading State ===== */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 18px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 20px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(11, 11, 11, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: left 0.3s ease;
    }

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

    .section {
        padding: 80px 20px;
    }

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

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

    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 40px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

    .contact-form {
        padding: 25px;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* ===== Additional Styles for GitHub Repos ===== */
.repo-stats {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-top: 15px;
    font-size: 14px;
    color: var(--text-secondary);
}

.repo-stats span {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ===== Active Navigation Link ===== */
.nav-menu a.active {
    color: var(--accent-color);
}

/* ===== Print Styles ===== */
@media print {
    .navbar,
    .mobile-menu-toggle,
    .scroll-indicator,
    .cta-button,
    footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}

/* ===== High Contrast Mode Support ===== */
@media (prefers-contrast: high) {
    :root {
        --primary-bg: #000000;
        --text-primary: #ffffff;
        --accent-color: #4a9eff;
    }
    
    .card,
    .contact-form {
        border: 2px solid var(--text-primary);
    }
}

/* ===== Dark Mode (already default, but explicit) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-bg: #0b0b0b;
        --secondary-bg: #161616;
        --text-primary: #ffffff;
    }
}

/* ===== Selection Styling ===== */
::selection {
    background: var(--accent-color);
    color: white;
}

::-moz-selection {
    background: var(--accent-color);
    color: white;
}

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

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

::-webkit-scrollbar-thumb {
    background: var(--secondary-bg);
    border-radius: 5px;
}

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

/* ===== Social Links Enhancements ===== */
.social-links {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--secondary-bg);
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.social-links a:nth-child(1):hover {
    background: #333;
}

.social-links a:nth-child(2):hover {
    background: #0077B5;
}

.social-links a:nth-child(3):hover {
    background: #1DA1F2;
}

.social-links a:nth-child(4):hover {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-links a:nth-child(5):hover {
    background: #25D366;
}

/* ===== Contact Methods Grid ===== */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}