/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --dark-bg: #0f1419;
    --darker-bg: #0a0d12;
    --text-light: #ffffff;
    --text-muted: #a0aec0;
    --border-color: rgba(255, 255, 255, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== NAVIGATION BAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 20, 25, 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;
}

.nav-logo {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-light);
    margin: 4px 0;
    transition: all 0.3s ease;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    position: relative;
    overflow: hidden;
    margin-top: 60px;
    padding: 4rem 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    top: -100px;
    right: -100px;
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
    opacity: 0.1;
    bottom: -150px;
    left: -150px;
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.hero-animation {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.floating-box {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    opacity: 0.2;
    position: absolute;
    top: 50px;
    right: 80px;
    animation: float 6s ease-in-out infinite;
}

.floating-circle {
    width: 100px;
    height: 100px;
    background: var(--accent-color);
    border-radius: 50%;
    position: absolute;
    top: 150px;
    right: -20px;
    opacity: 0.15;
    animation: float 8s ease-in-out infinite reverse;
}

.floating-box-2 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 15px;
    opacity: 0.12;
    position: absolute;
    bottom: 100px;
    right: 120px;
    animation: float 7s ease-in-out infinite;
}

.floating-circle-2 {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    position: absolute;
    top: -30px;
    right: 250px;
    opacity: 0.1;
    animation: float 9s ease-in-out infinite reverse;
}

.floating-box-3 {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 25px;
    opacity: 0.15;
    position: absolute;
    bottom: -40px;
    right: 30px;
    animation: float 5.5s ease-in-out infinite;
}

.floating-circle-3 {
    width: 60px;
    height: 60px;
    background: var(--accent-color);
    border-radius: 50%;
    position: absolute;
    top: 300px;
    right: 150px;
    opacity: 0.12;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

/* ==================== SECTION STYLES ==================== */
section {
    padding: 6rem 2rem;
}

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

.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    margin: 0 auto;
    border-radius: 2px;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    background: var(--darker-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.about-image img:hover {
    border-color: var(--primary-color);
    transform: scale(1.02);
}

/* ==================== EDUCATION SECTION ==================== */
.education {
    background: var(--dark-bg);
}

.education-timeline {
    position: relative;
}

.education-item {
    padding: 2rem;
    margin-bottom: 2rem;
    background: rgba(102, 126, 234, 0.05);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.education-item:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(10px);
}

.education-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.education-item .institution {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

.education-item p {
    color: var(--text-muted);
    margin-top: 1rem;
}

/* ==================== SKILLS SECTION ==================== */
.skills {
    background: var(--darker-bg);
}

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

.skill-card {
    background: rgba(102, 126, 234, 0.05);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.skill-card:hover {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.15);
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

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

/* ==================== PROJECTS SECTION ==================== */
.projects {
    background: var(--dark-bg);
}

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

.project-card {
    background: rgba(102, 126, 234, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
}

.project-image {
    width: 100%;
    height: 220px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--primary-color);
}

.project-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

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

.tech-tag {
    background: rgba(102, 126, 234, 0.2);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

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

.project-link {
    flex: 1;
    padding: 0.6rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    opacity: 0.9;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

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

.info-item {
    background: rgba(102, 126, 234, 0.05);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.info-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.contact-form input,
.contact-form textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    color: var(--text-light);
    font-family: inherit;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
}

.submit-button {
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.form-status {
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    display: none;
}

.form-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    display: block;
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    display: block;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
}

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

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

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

.footer-section p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.7rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

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

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-light);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(15, 20, 25, 0.98);
        gap: 0;
        padding: 1rem 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-link {
        padding: 1rem 2rem;
        display: block;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(10px, 10px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero {
        min-height: 80vh;
        padding: 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
    }

    .hero-animation {
        display: none;
    }

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

    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    section {
        padding: 3rem 1.5rem;
    }

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