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

:root {
    --primary-color: #ff6b35;
    --secondary-color: #f9f9f9;
    --dark-color: #1a1a1a;
    --light-gray: #e8e8e8;
    --text-color: #424242;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-logo h3 {
    font-size: 1.8rem;
    color: var(--dark-color);
    font-weight: 700;
}

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

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.hire-btn {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.hire-btn:hover {
    background-color: #e55a24 !important;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background-color: #ffffff;
    min-width: 160px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    list-style: none;
    padding: 0.5rem 0;
    border-radius: 4px;
    top: 100%;
    left: 0;
}

.dropdown-menu li {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: #f5f5f5;
    color: var(--primary-color);
}

.dropdown:hover .dropdown-menu {
    display: block;
}

/* Hero Section */
.hero {
    background-color: #faf8f3;
    padding: 4rem 2rem;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.5);
}

.sidebar-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    transform: rotate(180deg);
    font-size: 2.5rem;
    font-weight: 300;
    color: rgba(0, 0, 0, 0.08);
    letter-spacing: 8px;
    white-space: nowrap;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    margin-left: 150px;
}

.hero-container {
    display: flex;
    align-items: center;
}

.hero-container > div {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    width: 100%;
}

.hero-text {
    flex: 1;
}

.greeting {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-description {
    color: var(--text-color);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: #e55a24;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle at 30% 30%, #ffe4cc 0%, #ffd9b3 40%, #fed6a4 100%);
    border-radius: 50%;
    z-index: 1;
}

.hero-image img {
    position: relative;
    z-index: 2;
    max-width: 100%;
    height: auto;
    max-height: 450px;
}

/* About Section */
.about {
    padding: 4rem 2rem;
    background-color: #ffffff;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.about h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
    font-weight: 700;
}

.about-intro {
    color: var(--text-color);
    margin-bottom: 3rem;
    font-size: 1rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-item {
    text-align: center;
}

.info-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.info-value {
    color: var(--text-color);
    font-size: 0.95rem;
}

/* Skills Section */
.skills {
    padding: 4rem 2rem;
    background-color: #faf8f3;
}

.skills-container {
    max-width: 1200px;
    margin: 0 auto;
}

.skills h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 700;
    text-align: center;
}

.skills-intro {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 3rem;
    font-size: 1rem;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.skill-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.skill-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
}

.skill-card h3 {
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.skill-card p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Resume Section */
.resume {
    padding: 4rem 2rem;
    background-color: #ffffff;
}

.resume-container {
    max-width: 1200px;
    margin: 0 auto;
}

.resume h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 3rem;
    font-weight: 700;
    text-align: center;
}

.resume-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.resume-column h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
    font-weight: 600;
}

.resume-item {
    margin-bottom: 2rem;
}

.resume-item h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.resume-item .institution {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.resume-item .description {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.7;
}

.resume-download {
    text-align: center;
}

/* Contact Section */
.contact {
    padding: 4rem 2rem;
    background-color: #faf8f3;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-info p {
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: #ffffff;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #e55a24;
    transform: translateY(-2px);
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.2);
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: #ffffff;
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-sidebar {
        display: none;
    }

    .hero-container {
        margin-left: 0;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

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

    .hero-image {
        width: 100%;
    }

    .hero-image::before {
        width: 300px;
        height: 300px;
    }

    .hero-image img {
        max-height: 300px;
    }

    .resume-grid {
        grid-template-columns: 1fr;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }

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