/* Base Styles */
:root {
    --primary-color: #20b7a5;
    --secondary-color: #96f549;
    --background-dark: #1a1a1a;
    --text-light: #ffffff;
    --text-dark: #333333;
    --card-bg: #2a2a2a;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 1rem;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.cta-primary,
.cta-secondary {
    padding: 1rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    transition: var(--transition);
}

.cta-primary {
    background: var(--primary-color);
    color: var(--text-light);
}

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

.cta-primary:hover,
.cta-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

/* Sections */
section {
    padding: 5rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--primary-color);
}

/* About Section */
.about-content {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.skills-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.skills-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skills-list i {
    color: var(--secondary-color);
}

/* Projects & Certificates Grid */
.projects-grid,
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border-radius: 10px;
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.card p {
    margin-bottom: 1rem;
}

.card a {
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-item i {
    color: var(--primary-color);
}

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

.contact-item a:hover {
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 1rem;
    border: none;
    border-radius: 5px;
    background: var(--card-bg);
    color: var(--text-light);
}

.contact-form button {
    padding: 1rem;
    border: none;
    border-radius: 5px;
    background: var(--primary-color);
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.contact-form button:hover {
    background: var(--secondary-color);
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: var(--card-bg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-btn {
        display: flex;
        flex-direction: column;
        gap: 0.3rem;
    }

    .menu-btn span {
        width: 25px;
        height: 3px;
        background: var(--text-light);
        transition: var(--transition);
    }

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

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

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fadeIn {
    animation: fadeIn 1s ease forwards;
}