/* Base Styles */
:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --accent-color: #fd79a8;
    --text-color: #2d3436;
    --light-text: #636e72;
    --background-color: #ffffff;
    --card-bg: #f9f9f9;
    --header-bg: rgba(255, 255, 255, 0.95);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Header Styles */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav ul li a {
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary-color);
}

nav ul li a.active {
    color: var(--primary-color);
}

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* Landing Page Styles */
.landing {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(253, 121, 168, 0.1) 100%);
}

.hero {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--light-text);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card-bg);
    color: var(--primary-color);
    font-size: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.social-links a:hover {
    transform: translateY(-5px);
    background-color: var(--primary-color);
    color: white;
}

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

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.btn.primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(108, 92, 231, 0.4);
}

.btn.primary:hover {
    background-color: #5a49e0;
    transform: translateY(-3px);
}

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

.btn.secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* Projects Page Styles */
.projects-page {
    padding: 120px 5% 5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.projects-page h1 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: none;
    background-color: var(--card-bg);
    border-radius: 50px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

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

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

.project-tags span {
    background-color: rgba(108, 92, 231, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
}

/* About Page Styles */
.about-page {
    padding: 120px 5% 5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.about-image {
    position: sticky;
    top: 120px;
    height: fit-content;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.about-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.about-content p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
    font-size: 1.05rem;
}

.about-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    color: var(--primary-color);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

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

.experience-item, .education-item {
    margin-bottom: 2rem;
}

.experience-item h3, .education-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}

.company, .institution {
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.period {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.contact-section {
    margin-top: 3rem;
}

.contact-section .social-links {
    justify-content: flex-start;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        position: static;
        max-width: 400px;
        margin: 0 auto 2rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.2rem;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .skills-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    header {
        padding: 1rem 5%;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .skills-container {
        grid-template-columns: 1fr;
    }
}