:root {
    --bg-color: #0a0a0a;
    --card-bg: #121212;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;
    --accent-white: #ffffff;
    --accent-gray: #3f3f46;
    --error-color: #f87171;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    background-color: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn-nav-contact) {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:not(.btn-nav-contact):hover {
    color: var(--text-primary);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1.2rem;
}

.social-icons a:not(.btn-nav-contact), .social-icons button {
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: color 0.2s ease;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.social-icons a:not(.btn-nav-contact):hover, .social-icons button:hover {
    color: var(--text-primary);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

.btn-nav-contact {
    background-color: var(--accent-white);
    color: var(--bg-color) !important;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: inline-block;
    margin-left: 0.5rem;
}

.btn-nav-contact:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    padding: 6rem 0;
    min-height: calc(100vh - 70px);
}

.hero-content {
    flex: 1;
}

.hero-content h3 {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    letter-spacing: -1.5px;
    font-weight: 800;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-color);
    padding: 0.85rem 1.6rem;
    border-radius: 30px;
    border: 1px solid var(--text-primary);
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--text-primary);
}

.hero-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
}

.profile-card {
    background: transparent;
    padding: 0.5rem;
}

.profile-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 4px solid var(--text-primary);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.1);
}

/* Sections */
.sections {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3.5rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.skill-card {
    background: var(--card-bg);
    padding: 2rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.25s ease;
}

.skill-card:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
}

.skill-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--text-primary);
}

.skill-card span {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Projects & Achievements */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--card-bg);
    padding: 2.2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.25s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
}

.project-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    align-self: flex-start;
    margin-bottom: 1.2rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.badge-live, .badge-warning {
    border-color: var(--accent-gray);
}

.project-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    font-weight: 600;
}

.project-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    margin-top: auto;
    transition: opacity 0.2s ease;
}

.project-link:hover {
    opacity: 0.7;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex !important;
}

/* Email Modal */
.modal-body {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 16px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    position: relative;
}

.modal-body h4 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.email-field {
    display: flex;
    background: var(--bg-color);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.email-address {
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.btn-copy {
    background: var(--text-primary);
    color: var(--bg-color);
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
    transition: opacity 0.2s;
}

.btn-copy:hover {
    opacity: 0.9;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.close-modal:hover {
    color: var(--text-primary);
}

/* Resume Modal Viewer */
.resume-modal-body {
    background-color: var(--bg-color);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.resume-modal-header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 10;
}

.btn-back {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    gap: 8px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
}

.btn-back:hover {
    border-color: var(--text-primary);
}

.btn-download {
    background-color: var(--text-primary);
    color: var(--bg-color);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    transition: opacity 0.2s;
}

.btn-download:hover {
    opacity: 0.9;
}

.resume-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem 1rem;
}

.resume-img {
    max-width: 900px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
}

/* Footer */
footer {
    text-align: center;
    padding: 3rem 0;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    font-size: 0.9rem;
}

footer .social-icons {
    display: inline-flex;
    border: none;
    padding: 0;
    margin-top: 1rem;
}

footer .social-icons button, footer .social-icons a {
    margin: 0 10px;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--card-bg);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        gap: 1.5rem;
    }

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

    .social-icons {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 1rem;
        width: 100%;
        justify-content: center;
    }

    .hero {
        flex-direction: column-reverse;
        text-align: center;
        padding: 4rem 0;
        gap: 2rem;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-content p {
        margin: 0 auto 2rem auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .profile-img {
        width: 220px;
        height: 220px;
    }

    .resume-modal-header {
        padding: 0.8rem 1rem;
    }
}