/* ========================================
   DARK THEME PORTFOLIO - GLOBAL STYLES
   ======================================== */

:root {
    --primary-color: #00d4ff;
    --secondary-color: #ff006e;
    --bg-dark: #0a0e27;
    --bg-darker: #050813;
    --text-light: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #1a1f3a;
    --accent-1: #00d4ff;
    --accent-2: #ff006e;
    --accent-3: #6366f1;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========================================
   NAVIGATION BAR
   ======================================== */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: width 0.3s ease;
}

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

.nav-links a.active {
    color: var(--accent-1);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: -100px;
    right: -100px;
}

.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 0, 110, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    bottom: -100px;
    left: -100px;
}

.hero-content {
    max-width: 900px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero .gradient-text {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.btn {
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-1);
    border: 2px solid var(--accent-1);
}

.btn-secondary:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

/* ========================================
   CONTAINER & LAYOUT
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-1);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-box {
    padding: 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.feature-box:hover {
    border-color: var(--accent-1);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-5px);
}

.feature-box h3 {
    color: var(--accent-1);
    margin-bottom: 0.5rem;
}

.about-image {
    position: relative;
}

.image-wrapper {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    border-radius: 10px;
    padding: 3px;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 7px;
    opacity: 0.8;
}

/* ========================================
   PROJECTS SECTION
   ======================================== */

.projects {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

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

.project-card {
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.8), rgba(26, 31, 58, 0.6));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-1);
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
}

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--accent-3), var(--accent-1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.3);
}

.project-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--accent-1);
}

.project-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

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

.tag {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-1);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent-1);
}

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

.project-links a {
    padding: 0.5rem 1rem;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-1);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.project-links a:hover {
    background: var(--accent-1);
    color: var(--bg-dark);
}

/* ========================================
   SKILLS SECTION
   ======================================== */

.skills {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.8), rgba(26, 31, 58, 0.6));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.skill-category:hover {
    border-color: var(--accent-2);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 0, 110, 0.15);
}

.skill-category h3 {
    color: var(--accent-2);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.skill-item {
    margin-bottom: 1.5rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

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

.skill-bar {
    width: 100%;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    border-radius: 3px;
    transition: width 1s ease;
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
}

.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-box {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(26, 31, 58, 0.8), rgba(26, 31, 58, 0.6));
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.info-box:hover {
    border-color: var(--accent-1);
    transform: translateY(-5px);
}

.info-box h4 {
    color: var(--accent-1);
    margin-bottom: 0.5rem;
}

.info-box a {
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.info-box a:hover {
    color: var(--accent-1);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    background: rgba(26, 31, 58, 0.8);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    border-radius: 5px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-1);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

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

/* ========================================
   FOOTER
   ======================================== */

footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--accent-1);
    margin-bottom: 1rem;
}

.footer-section a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-1);
}

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

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-1);
    border-radius: 50%;
    color: var(--accent-1);
    margin: 0;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--accent-1);
    color: var(--bg-dark);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .section {
        padding: 4rem 1.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease;
}