:root {
    --primary-color: #000000;
    --secondary-color: #2997ff;
    --text-color: #f5f5f7;
    --dark-bg: #000000;
    --dark-gray: #1d1d1f;
    --light-gray: #86868b;
    --white: #ffffff;
    --accent-purple: #6e5b7b;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--dark-bg);
}

/* Navbar Styles */
.navbar {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1.5rem 4rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-brand a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 1px;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.home-link {
    font-size: 1.2rem;
    opacity: 0.9;
}

.nav-links a:hover {
    opacity: 1;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0 15%;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-color);
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
    color: var(--accent-purple);
}

.hero p {
    font-size: 1.5rem;
    max-width: 600px;
    margin-bottom: 2rem;
    color: var(--light-gray);
    line-height: 1.6;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
    color: var(--text-color);
    opacity: 0.7;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* Section Styles */
.section-container {
    padding: 8rem 15%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-header {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-line {
    width: 100px;
    height: 4px;
    background: var(--secondary-color);
    margin: 0 auto;
    position: relative;
}

.section-line::before {
    content: '';
    position: absolute;
    width: 50px;
    height: 4px;
    background: var(--accent-purple);
    left: 50%;
    transform: translateX(-50%);
}

/* Content Sections */
section {
    padding: 8rem 15%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Projects Section */
.projects-list {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin: 0 auto;
}

.project-card {
    background-color: var(--dark-gray);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.project-info h3 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.project-description {
    color: var(--text-color);
    opacity: 0.9;
}

.project-highlight {
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.project-details {
    margin-top: 1.5rem;
}

.project-details h4 {
    color: var(--text-color);
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
    opacity: 0.9;
}

.project-details ul {
    list-style-type: none;
    padding-left: 1.5rem;
}

.project-details li {
    position: relative;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    opacity: 0.8;
}

.project-details li::before {
    content: "▹";
    position: absolute;
    left: -1.5rem;
    color: var(--secondary-color);
}

/* About Section */
.about-content {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.about-image {
    flex: 0 0 300px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 20px;
}

.profile-image {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    border: 4px solid var(--secondary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--dark-gray);
    display: block;
}

.profile-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.about-text {
    flex: 1;
}

.about-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: var(--text-color);
    opacity: 0.9;
}

.experience-section h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.experience-item {
    background-color: var(--dark-gray);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border-left: 4px solid var(--secondary-color);
}

.experience-item:hover {
    transform: translateY(-3px);
}

.experience-item h4 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.experience-meta {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.experience-details {
    list-style-type: none;
    padding-left: 1.5rem;
}

.experience-details li {
    position: relative;
    margin-bottom: 0.8rem;
    line-height: 1.6;
    color: var(--text-color);
    opacity: 0.9;
}

.experience-details li::before {
    content: "▹";
    position: absolute;
    left: -1.5rem;
    color: var(--secondary-color);
}

.experience-placeholder {
    color: var(--text-color);
    opacity: 0.6;
    font-style: italic;
}

/* Skills Section */
.skills-section {
    padding: 4rem 2rem;
    background-color: var(--dark-gray);
}

.skills-section h2,
.projects-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--white);
    font-weight: 600;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.skill-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--dark-bg);
    border-radius: 18px;
    transition: transform 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
}

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

.skill-card h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.skill-card p {
    color: var(--light-gray);
}

/* Contact Section */
.contact-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.contact-info {
    text-align: center;
    margin-bottom: 2rem;
}

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

.social-links-large .social-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-color);
    text-decoration: none;
    font-size: 2rem;
    transition: transform 0.3s ease, color 0.3s ease;
}

.social-links-large .social-icon span {
    font-size: 1rem;
    margin-top: 0.5rem;
}

.social-links-large .social-icon:hover {
    color: var(--secondary-color);
    transform: translateY(-5px);
}

.contact-form {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--dark-gray);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    color: var(--text-color);
    font-size: 1.1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--text-color);
    font-size: 1rem;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: rgba(255, 255, 255, 0.15);
}

.submit-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    background-color: #3aa8ff;
}

/* Development Notice */
.development-notice {
    background-color: var(--dark-gray);
    padding: 1rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.development-notice p {
    color: var(--text-color);
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
}

/* Footer */
footer {
    background-color: var(--dark-gray);
    color: var(--light-gray);
    text-align: center;
    padding: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--light-gray);
    font-size: 1.5rem;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        color: var(--white);
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        padding: 1rem;
        text-align: center;
    }

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

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

    .hero p {
        font-size: 1.2rem;
    }

    .about-content {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .about-image {
        flex: 0 0 250px;
    }
}