/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #64ffda;
    --secondary-color: #8892b0;
    --background-color: #0a192f;
    --surface-color: #112240;
    --text-primary: #ccd6f6;
    --text-secondary: #8892b0;
    --border-color: #233554;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, #64ffda 0%, #00bcd4 100%);
    --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

html {
    scroll-behavior: smooth;
    font-size: 20px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 1.1rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
}

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

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

.hero-image {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding-left: 0;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    line-height: 1.05;
}

.hero-name {
    display: block;
    margin-top: 0.1em;
    margin-bottom: 0.1em;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    margin-top: 0;
    font-weight: 500;
    line-height: 1.1;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 2.2rem;
    margin-top: 0.2rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-direction: row;
    gap: 1.2rem;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 0.5rem;
}

.btn {
    padding: .5rem .8rem;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--background-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--shadow-color);
}

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

.btn-secondary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

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

.btn-resume:hover {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-social {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.1);
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-link:hover {
    background: transparent;
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(100, 255, 218, 0.2);
}

.profile-img {
    width: 600px;
    height: 600px;
    object-fit: cover;
    object-position: center top;
    border-radius: 0 0 80% 80% / 0 0 60% 60%;
    display: block;
    background: none;
    box-shadow: none;
    margin: 0;

}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--gradient-primary);
}

/* About Section */
.about {
    background: var(--surface-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

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

.about-text strong {
    color: var(--primary-color);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(100, 255, 218, 0.05);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--surface-color);
    padding: 2rem;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.skill-items {
    display: grid;
    gap: 1rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: rgba(100, 255, 218, 0.05);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.skill-item:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateX(5px);
}

.skill-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    width: 20px;
}

/* Projects Section */
.projects {
    background: var(--surface-color);
}

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

.project-card {
    background: var(--background-color);
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px var(--shadow-color);
    border-color: var(--primary-color);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image i {
    font-size: 3rem;
    color: var(--background-color);
}

.project-content {
    padding: 2rem;
}

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

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.project-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.project-features li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.project-features li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--text-primary);
}

/* Education Section */
.education-content {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.education-item {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    padding: 2rem;
    background: var(--surface-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.education-icon {
    color: var(--primary-color);
    font-size: 2rem;
}

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

.education-institution {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.education-description {
    color: var(--text-secondary);
}

.certifications h3 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.cert-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

.cert-content h4 {
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cert-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    background: var(--background-color);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--border-color);
}

.footer p {
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 98vw;
        padding: 0 1.5rem;
    }
    .profile-img {
        width: 400px;
        height: 400px;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .hero-content {
        gap: 2rem;
    }
}

@media (max-width: 900px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        justify-items: center;
    }
    .hero-image {
        justify-content: center;
        padding-left: 0;
    }
    .profile-img {
        margin: 0 auto;
    }
    .hero-buttons,
    .hero-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    .hero-title {
        font-size: 2rem;
    }
    .profile-img {
        width: 180px;
        height: 180px;
    }
    .skills-grid {
        /* grid-template-columns removed for responsiveness */
    }
    .projects-grid {
        grid-template-columns: 1fr;
    }
    .cert-grid {
        /* grid-template-columns removed for responsiveness */
    }
    .about-stats {
        grid-template-columns: 1fr;
    }
    .education-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    .hero-title {
        font-size: 1.3rem;
    }
    .profile-img {
        width: 220px;
        height: 220px;
    }
    .skills-grid {
        /* grid-template-columns removed for responsiveness */
    }
    .cert-grid {
        /* grid-template-columns removed for responsiveness */
    }
    .section-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 1024px) {
    .hamburger {
        display: flex;
        z-index: 1100;
    }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--surface-color);
        width: 100vw;
        text-align: center;
        transition: left 0.3s;
        box-shadow: 0 10px 27px var(--shadow-color);
        padding: 2rem 0;
        gap: 2rem;
        z-index: 1050;
    }
    .nav-menu.active {
        left: 0;
    }
    .nav-link {
        font-size: 1.5rem;
        padding: 1rem 0;
    }
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}
.hamburger.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}