* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

:root {
    --dark-bg: #0a0a0a;
    --darker-bg: #050505;
    --accent: #2ecc71;
    --accent-glow: rgba(46, 204, 113, 0.4);
    --text: #ffffff;
}

body {
    background-color: var(--dark-bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    position: relative;
    padding-left: 2.5rem;
}

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

.nav-links a {
    color: var(--text);
    text-decoration: none;
    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: var(--accent);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 12% 5%;
    background: radial-gradient(circle at 75% 30%, var(--accent-glow) 0%, transparent 30%);
}

.hero-content {
    flex: 1;
    padding-right: 5rem;
}

.hero-image {
    flex: 1;
    text-align: center;
    position: relative;
}

.profile-img {
    width: 400px;
    height: 450px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent);
    box-shadow: 0 0 50px var(--accent-glow);
    animation: float 3s ease-in-out infinite;
    filter: grayscale(0.2) contrast(1.1);
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--accent) 30%, #ffffff 70%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--accent), #27ae60);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.download-cv {
    display: inline-block;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, var(--accent), #27ae60);
    color: white;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.download-cv i {
    margin-right: 0.25rem; /* space between icon and text */
}

.download-cv:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

/* Skills Section */
.skills {
    padding: 5rem 5%;
    background: var(--darker-bg);
    font-size: 1.5rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.skill-card {
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.skill-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

/* Projects Section */
.projects {
    padding: 5rem 5%;
    background: var(--dark-bg);
    font-size: 1.5rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.project-card h3 {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.project-card p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.6;
}

footer {
    background: var(--darker-bg);
    padding: 3rem 5%;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Achievements Section */
.achievements {
    padding: 5rem 5%;
    background: var(--darker-bg);
    font-size: 1.5rem;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    padding: 2rem;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.achievement-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.achievement-card h3 {
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.achievement-card p {
    font-size: 0.95rem;
    opacity: 0.85;
}

section {
    scroll-margin-top: 80px;
    /* Adjust to navbar height */
}
.credential-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.2rem;
    background: linear-gradient(45deg, var(--accent), #27ae60);
    color: white;
    font-size: 0.95rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.credential-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px var(--accent-glow);
}

/* Contact Section */
.contact {
    padding: 5rem 5%;
    background: var(--dark-bg);
    text-align: center;
}

.contact h2 {
    font-size: 2.2rem;
    color: white;
    margin-bottom: 2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

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

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 8px;
    border: none;
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border: 1px solid var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

.contact-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.9rem 2rem;
    background: linear-gradient(45deg, var(--accent), #27ae60);
    color: white;
    font-size: 1rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px var(--accent-glow);
}

.social-links {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--text);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent);
    transform: translateY(-3px);
}
/* Hamburger Menu */
.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--accent);
    z-index: 1001;
}

/* Mobile nav menu hidden by default */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        right: 5%;
        background: rgba(10, 10, 10, 0.95);
        flex-direction: column;
        gap: 1.5rem;
        padding: 1.5rem 2rem;
        border-radius: 10px;
        text-align: right;
    }

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

@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 3rem;
    }

    .profile-img {
        width: 280px;
        height: 300px;
    }

    .download-cv {
        margin-top: 1rem;
    }

    .nav-links {
        display: none;
    }

    .logo {
        font-size: 1.5rem;
        padding-left: 2rem;
    }
}