/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #343A40;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-blue: #003566;
    --medium-blue: #0077B6;
    --light-blue: #00B4D8;
    --soft-blue: #90E0EF;
    --very-light-blue: #CAF0F8;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --dark-gray: #343A40;
    --green-accent: #52B69A;
    --warm-accent: #FFB703;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 2rem;
    --border-radius: 12px;
    --border-radius-small: 8px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 53, 102, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 53, 102, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 53, 102, 0.2);
}

/* ===== UTILITY CLASSES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius-small);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--medium-blue), var(--light-blue));
    color: var(--white);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.9);
    color: var(--medium-blue);
    border-color: var(--medium-blue);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
    background: var(--medium-blue);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all var(--transition-medium);
    border-bottom: 1px solid rgba(0, 53, 102, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-logo a:hover {
    color: var(--medium-blue);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--medium-blue);
    transition: width var(--transition-medium);
}

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

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

.bar {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    margin: 3px 0;
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('../images/index_background_hero.png');
    background-size: 100% auto;
    background-position: bottom center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23003566" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%230077B6" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 53, 102, 0.3), rgba(0, 180, 216, 0.2));
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

.hero-greeting {
    display: block;
    font-size: 1.25rem;
    color: var(--soft-blue);
    margin-bottom: 0.5rem;
    font-weight: 500;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(0, 0, 0, 0.6);
}

.hero-name {
    display: block;
    font-family: var(--font-secondary);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.9), 0 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 500px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8), 0 1px 2px rgba(0, 0, 0, 0.6);
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-image-placeholder {
    width: 350px;
    height: 350px;
    border-radius: 20px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 20px 40px rgba(0, 53, 102, 0.3),
        0 8px 16px rgba(0, 53, 102, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: all var(--transition-medium);
}

.hero-image-placeholder:hover {
    transform: perspective(1000px) rotateY(-3deg) rotateX(1deg) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 53, 102, 0.4),
        0 12px 24px rgba(0, 53, 102, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.hero-image-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 53, 102, 0.1) 0%, 
        rgba(0, 180, 216, 0.05) 50%, 
        rgba(144, 224, 239, 0.1) 100%);
    border-radius: 20px;
    z-index: 1;
}

.hero-image-placeholder::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, 
        var(--medium-blue), 
        var(--light-blue), 
        var(--soft-blue), 
        var(--medium-blue));
    border-radius: 22px;
    z-index: -1;
    opacity: 0.8;
    filter: blur(8px);
}

.placeholder-content {
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
    text-align: center;
    z-index: 1;
}

.hero-image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 18px;
    filter: contrast(1.05) saturate(0.9) brightness(1.02);
    transition: all var(--transition-medium);
    z-index: 2;
    position: relative;
}

.hero-image-placeholder:hover img {
    filter: contrast(1.1) saturate(0.95) brightness(1.05);
}

/* ===== HERO IMAGE STYLING ===== */
.hero-image {
    width: 350px;
    height: 350px;
    border-radius: 20px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 20px 40px rgba(0, 53, 102, 0.3),
        0 8px 16px rgba(0, 53, 102, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: all var(--transition-medium);
}

.hero-image:hover {
    transform: perspective(1000px) rotateY(-3deg) rotateX(1deg) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 53, 102, 0.4),
        0 12px 24px rgba(0, 53, 102, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 53, 102, 0.1) 0%, 
        rgba(0, 180, 216, 0.05) 50%, 
        rgba(144, 224, 239, 0.1) 100%);
    border-radius: 20px;
    z-index: 1;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, 
        var(--medium-blue), 
        var(--light-blue), 
        var(--soft-blue), 
        var(--medium-blue));
    border-radius: 22px;
    z-index: -1;
    opacity: 0.8;
    filter: blur(8px);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 18px;
    filter: contrast(1.05) saturate(0.9) brightness(1.02);
    transition: all var(--transition-medium);
    z-index: 2;
    position: relative;
}

.hero-image:hover .hero-photo {
    filter: contrast(1.1) saturate(0.95) brightness(1.05);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--medium-blue);
    border-bottom: 2px solid var(--medium-blue);
    transform: rotate(45deg);
}

/* ===== SECTION STYLES ===== */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--medium-blue), var(--light-blue));
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--light-gray);
}

.about-content {
    display: block;
}

.about-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-top: 2rem;
}

.about-left {
    flex: 1;
}

.about-right {
    flex: 1;
}

.about-intro {
    margin-bottom: 2.5rem;
}

.about-intro p {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-highlights {
    display: grid;
    gap: 2rem;
}

.highlight-item {
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-medium);
}

.highlight-item:hover {
    transform: translateY(-5px);
}

.highlight-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 300px;
    aspect-ratio: 3/4;
    background: linear-gradient(135deg, var(--soft-blue), var(--very-light-blue));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--border-radius);
}

.image-placeholder .placeholder-content {
    color: var(--primary-blue);
    font-weight: 500;
    text-align: center;
}

/* ===== CAREER SECTION ===== */
.career-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--medium-blue), var(--light-blue));
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 4rem;
}

.timeline-marker {
    position: absolute;
    left: 11px;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--medium-blue);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: var(--shadow-light);
}

.timeline-date {
    color: var(--medium-blue);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-title {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.timeline-company {
    color: var(--dark-gray);
    font-size: 1rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.timeline-description {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.timeline-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--very-light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.skills-section {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    height: fit-content;
}

.skills-section h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    text-align: center;
}

.skills-grid {
    display: grid;
    gap: 1.5rem;
}

.skill-category h4 {
    color: var(--medium-blue);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-item {
    background: var(--light-gray);
    color: var(--dark-gray);
    padding: 0.25rem 0.5rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== PROJECTS SECTION ===== */
.projects {
    background: var(--light-gray);
}

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

.project-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.project-image {
    height: 200px;
    overflow: hidden;
}

.project-image .image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--soft-blue), var(--light-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    color: var(--primary-blue);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.project-description {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--very-light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.project-link {
    color: var(--medium-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* ===== BLOG SECTION ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.blog-image {
    height: 180px;
    overflow: hidden;
}

.blog-image .image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--very-light-blue), var(--soft-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.blog-date {
    color: var(--medium-blue);
    font-size: 0.85rem;
    font-weight: 500;
}

.blog-category {
    background: var(--very-light-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.blog-title {
    color: var(--primary-blue);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.blog-link {
    color: var(--medium-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.blog-cta {
    text-align: center;
}

/* ===== ENVIRONMENT SECTION ===== */
.environment {
    background: linear-gradient(135deg, var(--very-light-blue), var(--white));
}

.environment-intro {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.environment-intro p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.environment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.environment-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    border-top: 4px solid var(--green-accent);
}

.environment-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.environment-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.environment-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.environment-card p {
    color: var(--dark-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.environment-initiatives {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

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

.initiatives-list {
    display: grid;
    gap: 2rem;
}

.initiative-item {
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius-small);
    border-left: 4px solid var(--green-accent);
}

.initiative-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.75rem;
}

.initiative-item p {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-intro {
    margin-bottom: 2rem;
}

.contact-intro p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--dark-gray);
}

.contact-methods {
    display: grid;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-medium);
}

.contact-method:hover {
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    text-align: center;
}

.contact-details h4 {
    color: var(--primary-blue);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
}

.contact-details a {
    color: var(--medium-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--primary-blue);
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--very-light-blue);
    border-radius: var(--border-radius-small);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--medium-blue);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-blue);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-info h3 {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-info p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--soft-blue);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.7;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-name {
        font-size: 3rem;
    }
    
    .about-layout {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-left,
    .about-right {
        flex: none;
    }
    
    .career-content {
        gap: 2rem;
        max-width: 100%;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 3rem 0;
        --container-padding: 0 1rem;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-image-placeholder {
        width: 280px;
        height: 280px;
        transform: perspective(800px) rotateY(-3deg) rotateX(1deg);
    }
    
    .hero-image-placeholder:hover {
        transform: perspective(800px) rotateY(-2deg) rotateX(0.5deg) scale(1.01);
    }
    
    .hero-image {
        width: 280px;
        height: 280px;
        transform: perspective(800px) rotateY(-3deg) rotateX(1deg);
    }
    
    .hero-image:hover {
        transform: perspective(800px) rotateY(-2deg) rotateX(0.5deg) scale(1.01);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .environment-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 3rem;
    }
    
    .timeline-marker {
        left: 6px;
        width: 16px;
        height: 16px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-name {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-image-placeholder {
        width: 240px;
        height: 240px;
        transform: perspective(600px) rotateY(-2deg) rotateX(1deg);
    }
    
    .hero-image-placeholder:hover {
        transform: perspective(600px) rotateY(-1deg) rotateX(0.5deg) scale(1.01);
    }
    
    .hero-image {
        width: 240px;
        height: 240px;
        transform: perspective(600px) rotateY(-2deg) rotateX(1deg);
    }
    
    .hero-image:hover {
        transform: perspective(600px) rotateY(-1deg) rotateX(0.5deg) scale(1.01);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
}