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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #fff;
    color: #000;
    line-height: 1.2;
    overflow-x: hidden;
}

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

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 2rem 0;
    background: #fff;
}

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

.nav-logo {
    font-size: 1rem;
    font-weight: 300;
    letter-spacing: 2px;
    text-decoration: none;
    color: #000;
}

.nav-menu {
    display: flex;
    gap: 3rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 300;
    letter-spacing: 1px;
    text-decoration: none;
    color: #000;
    transition: opacity 0.3s ease;
}

.nav-link:hover {
    opacity: 0.5;
}

.nav-link.active {
    opacity: 0.5;
}

/* Main Content */
.main-content {
    padding: 8rem 0 4rem;
}

.profile-section {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
    align-items: start;
}

.profile-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border: 1px solid #000;
}

.profile-info h1 {
    font-size: 2.5rem;
    font-weight: 200;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}

.profile-tagline {
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tech-item {
    padding: 0.5rem 1rem;
    border: 1px solid #000;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.tech-item:hover {
    background: #000;
    color: #fff;
}

/* Content Sections */
.content-section {
    margin-bottom: 4rem;
    max-width: 800px;
}

.content-section h2 {
    font-size: 1.5rem;
    font-weight: 200;
    letter-spacing: 1px;
    margin-bottom: 2rem;
}

.content-section p {
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.content-section a {
    color: #000;
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.content-section a:hover {
    border-bottom-color: #000;
}

/* Certification Section */
.certification {
    border: 1px solid #000;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.certification:hover {
    background: #000;
    color: #fff;
}

.certification h3 {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.certification p {
    font-size: 0.9rem;
    font-weight: 300;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.certification-date {
    font-size: 0.8rem;
    font-weight: 300;
    opacity: 0.6;
}

.certification img {
    width: 100%;
    max-width: 300px;
    height: auto;
    margin: 1rem 0;
    border: 1px solid #000;
}

.certification:hover img {
    border-color: #fff;
}

/* CV Section */
.cv-section {
    border: 1px solid #000;
    padding: 2rem;
    transition: all 0.3s ease;
}

.cv-section:hover {
    background: #000;
    color: #fff;
}

.cv-embed {
    width: 100%;
    height: 600px;
    border: 1px solid #000;
    margin-bottom: 1rem;
}

.cv-section:hover .cv-embed {
    border-color: #fff;
}

.download-btn {
    padding: 0.8rem 2rem;
    border: 1px solid #000;
    background: transparent;
    color: #000;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 300;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    display: inline-block;
}

.cv-section:hover .download-btn {
    background: #fff;
    color: #000;
    border-color: #fff;
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        padding: 1.5rem 0;
    }

    .nav-menu {
        gap: 2rem;
    }

    .main-content {
        padding: 6rem 0 3rem;
    }

    .profile-section {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .profile-image {
        height: 250px;
        max-width: 250px;
        margin: 0 auto;
    }

    .content-section {
        margin-bottom: 3rem;
    }

    .certification,
    .cv-section {
        padding: 1.5rem;
    }

    .cv-embed {
        height: 400px;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem 0;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 0.8rem;
    }

    .main-content {
        padding: 4rem 0 2rem;
    }

    .profile-info h1 {
        font-size: 2rem;
    }

    .certification,
    .cv-section {
        padding: 1rem;
    }

    .cv-embed {
        height: 300px;
    }
}