/* Apple-Inspired CSS Variables */
:root {
    --color-primary: #122F57;
    --color-secondary: #1C4E80;
    --color-accent: #4A78B0;
    --color-light: #A7C0E8;
    --color-bg: #F5F7FA;
    --color-white: #ffffff;
    --color-black: #1d1d1f;
    --color-gray-light: #f5f5f7;
    --color-gray: #86868b;
    --color-gray-dark: #424245;
    
    --font-family-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-text: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --border-radius: 12px;
    --border-radius-large: 18px;
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-large: 0 8px 40px rgba(0, 0, 0, 0.12);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme transition - Applied temporarily when switching themes */
.theme-transition * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-text);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-display: swap;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-display);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

p {
    font-size: 1rem;
    margin-bottom: 1em;
    color: var(--color-gray-dark);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 60px;
}

.nav-logo {
    font-family: var(--font-family-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo:hover {
    color: var(--color-secondary);
}

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

.nav-link {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-gray-dark);
    text-decoration: none;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transform: translateX(-50%);
    transition: var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-black);
    transition: var(--transition);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    margin-left: 1rem;
    position: relative;
}

.theme-toggle:hover {
    background: var(--color-primary);
    color: white;
    transform: scale(1.1);
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: var(--transition);
    position: absolute;
}

.sun-icon {
    opacity: 1;
    transform: rotate(0deg);
}

.moon-icon {
    opacity: 0;
    transform: rotate(180deg);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(180deg);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --color-primary: #4A78B0;
    --color-secondary: #5A8BC0;
    --color-accent: #6A9BD0;
    --color-light: #2d2d30;
    --color-bg: #1a1a1a;
    --color-white: #1d1d1f;
    --color-black: #f5f5f7;
    --color-gray-light: #2d2d30;
    --color-gray: #b8b8b8;
    --color-gray-dark: #e5e5e7;
}

[data-theme="dark"] body {
    background: var(--color-bg);
    color: var(--color-black);
}

[data-theme="dark"] .nav {
    background: rgba(26, 26, 26, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, var(--color-bg) 0%, #242424 100%);
}

[data-theme="dark"] .about {
    background: #222222;
}

[data-theme="dark"] .projects {
    background: #222222;
}

[data-theme="dark"] .contact {
    background: #222222;
}

[data-theme="dark"] .hero-card,
[data-theme="dark"] .personal-card,
[data-theme="dark"] .contact-form,
[data-theme="dark"] .role-card,
[data-theme="dark"] .project-card,
[data-theme="dark"] .interest-card,
[data-theme="dark"] .value-item,
[data-theme="dark"] .achievement-item,
[data-theme="dark"] .contact-card {
    background: #2d2d30;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-black);
}

[data-theme="dark"] .social-link {
    background: #2d2d30;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray);
}

[data-theme="dark"] .social-link:hover {
    background: var(--color-primary);
    color: white;
}

[data-theme="dark"] .footer {
    background: #000000;
    color: #b8b8b8;
}

[data-theme="dark"] .footer-content p {
    color: #b8b8b8;
}

[data-theme="dark"] .footer-content p:first-child {
    color: #ffffff;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: #3a3a3a;
    border-color: #555;
    color: var(--color-black);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    border-color: var(--color-primary);
    background: #404040;
}

[data-theme="dark"] .nav-toggle span {
    background: var(--color-black);
}

[data-theme="dark"] .theme-toggle {
    border-color: var(--color-primary);
    color: var(--color-black);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(28, 78, 128, 0.05) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -20px) rotate(10deg); }
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    animation: slideInLeft 1s ease-out;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-accent {
    display: block;
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition-bounce);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    animation: slideInRight 1s ease-out;
}

.hero-card {
    background: white;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-large);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-gray-light);
}

.card-dots {
    display: flex;
    gap: 6px;
}

.card-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-gray);
}

.card-dots span:first-child {
    background: #ff5f57;
}

.card-dots span:nth-child(2) {
    background: #ffbd2e;
}

.card-dots span:last-child {
    background: #28ca42;
}

.card-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray);
}

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

.metric-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-top: 0.5rem;
}

.chart-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart {
    width: 100%;
    height: 100%;
}

/* Section Styles */
section {
    padding: 5rem 0;
    position: relative;
}

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

.section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--color-gray-light);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-intro {
    font-size: 1.125rem;
    color: var(--color-black);
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
    transition: var(--transition);
}

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

.value-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.personal-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    position: sticky;
    top: 100px;
}

.personal-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.avatar-placeholder {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
}

.personal-info h3 {
    margin: 0;
    color: var(--color-black);
}

.personal-info p {
    margin: 0;
    color: var(--color-gray);
    font-size: 0.9rem;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--color-gray-light);
}

.detail-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    color: var(--color-black);
}

/* Career Section */
.role-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 2.5rem;
    box-shadow: var(--shadow-medium);
    margin-bottom: 3rem;
}

.role-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.company-logo {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.role-info h3 {
    margin: 0 0 0.5rem 0;
    color: var(--color-black);
}

.role-info p {
    margin: 0;
    color: var(--color-gray);
}

.role-type {
    display: inline-block;
    background: var(--color-light);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.role-summary {
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.linkedin-cta {
    margin-top: 1.5rem;
}

.linkedin-cta .btn {
    display: inline-flex;
    align-items: center;
}

.skills-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.skills-category h4 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

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

.skill-tag {
    background: var(--color-light);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

.achievements h4 {
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.achievement-list {
    display: grid;
    gap: 1.5rem;
}

.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-small);
}

.achievement-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* Projects Section */
.projects {
    background: var(--color-gray-light);
}

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

.project-card {
    background: white;
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.project-card.featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.project-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
    background: var(--color-light);
    color: var(--color-primary);
}

.project-status.planning {
    background: #fff3cd;
    color: #856404;
}

.project-status.prototype {
    background: #d1ecf1;
    color: #0c5460;
}

.project-status.exploration {
    background: #f8d7da;
    color: #721c24;
}

.project-card h3 {
    margin-bottom: 1rem;
    color: var(--color-black);
}

.project-card p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-impact {
    margin: 1rem 0;
    padding: 1rem;
    background: var(--color-gray-light);
    border-radius: var(--border-radius);
}

.impact-label {
    font-weight: 600;
    color: var(--color-primary);
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

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

.project-note {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* Interests Section */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.interest-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.interest-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-large);
}

.interest-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.interest-card h4 {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.interest-card p {
    color: var(--color-gray);
    margin: 0;
}

/* Contact Section */
.contact {
    background: var(--color-gray-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
    margin-bottom: 2rem;
}

.contact-card h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.opportunity-list,
.topics-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.opportunity-list li,
.topics-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-light);
    color: var(--color-gray-dark);
}

.opportunity-list li:last-child,
.topics-list li:last-child {
    border-bottom: none;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-medium);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-black);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--color-gray-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: white;
    color: var(--color-black);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(18, 47, 87, 0.1);
}

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

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 50%;
    color: var(--color-gray);
    text-decoration: none;
    box-shadow: var(--shadow-medium);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-large);
}

/* Footer */
.footer {
    background: var(--color-black);
    color: #ffffff;
    padding: 2rem 0;
    text-align: center;
}

.footer-content p {
    margin: 0;
    color: #b8b8b8;
}

.footer-content p:first-child {
    margin-bottom: 0.5rem;
    color: #ffffff;
    font-weight: 500;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .theme-toggle {
        margin: 1rem 0;
        order: -1;
    }

    [data-theme="dark"] .nav-menu {
        background: rgba(26, 26, 26, 0.95);
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .skills-section {
        grid-template-columns: 1fr;
    }

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

    .interests-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .values-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 1rem;
    }

    .social-links {
        gap: 1rem;
    }

    .container {
        padding: 0 16px;
    }

    section {
        padding: 3rem 0;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-card {
        padding: 1.5rem;
    }

    .metric-value {
        font-size: 2rem;
    }

    .personal-card,
    .contact-form,
    .role-card,
    .project-card {
        padding: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #1d1d1f;
        --color-white: #1d1d1f;
        --color-black: #f5f5f7;
        --color-gray-light: #2d2d30;
        --color-gray: #98989d;
        --color-gray-dark: #e5e5e7;
    }

    .nav {
        background: rgba(29, 29, 31, 0.8);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-card,
    .personal-card,
    .contact-form,
    .role-card,
    .project-card,
    .interest-card,
    .value-item,
    .achievement-item,
    .contact-card {
        background: #2d2d30;
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--color-black);
    }

    .social-link {
        background: #2d2d30;
        border: 1px solid rgba(255, 255, 255, 0.1);
        color: var(--color-gray);
    }

    .footer {
        background: #000000;
        color: #b8b8b8;
    }

    .footer-content p {
        color: #b8b8b8;
    }

    .footer-content p:first-child {
        color: #ffffff;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print styles */
@media print {
    .nav,
    .hero-visual,
    .contact-form {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    section {
        padding: 1rem 0;
        break-inside: avoid;
    }
}