/* style.css */

/* ===================================
   CSS Variables & Root Styles
   =================================== */
:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition-speed: 0.3s;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Lato', sans-serif;
}

[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-card: #374151;
    --border-color: #4b5563;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

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

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

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-speed);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--font-primary);
    transition: all var(--transition-speed);
}

/* ===================================
   Utility Classes
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

/* ===================================
   Navigation
   =================================== */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-speed);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-primary);
}

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

.nav-link {
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: width var(--transition-speed);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.theme-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-speed);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-speed);
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

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

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

/* ===================================
   Hero Section
   =================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    position: relative;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-xl);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.typing-text {
    display: inline-block;
    border-right: 3px solid var(--primary-color);
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { border-color: transparent; }
    50% { border-color: var(--primary-color); }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 6px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 3px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(20px); }
}

/* ===================================
   About Section
   =================================== */
.about-section {
    padding: 100px 20px;
    background: var(--bg-card);
}

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

.about-image {
    text-align: center;
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-xl);
}

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

.social-links a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: all var(--transition-speed);
}

.social-links a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.social-links a:nth-child(1):hover {
	background: #0077b5;
    color: white;
}

.social-links a:nth-child(2):hover {
    background: #333;
    color: white;
}

.social-links a:nth-child(3):hover {
    background: #ea4335;
    color: white;
}

.social-links a:nth-child(4):hover {
    background: var(--primary-color);
    color: white;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ===================================
   Education Section
   =================================== */
.education-section {
    padding: 100px 20px;
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    display: flex;
    justify-content: flex-start;
    padding: 2rem 0;
    position: relative;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--bg-secondary);
    z-index: 2;
}

.timeline-card {
    width: 45%;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-speed);
}

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

.timeline-year {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.timeline-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.institution {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Skills Section
   =================================== */
.skills-section {
    padding: 100px 20px;
    background: var(--bg-primary);
}

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

.skill-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed);
}

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

.skill-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tags span {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: all var(--transition-speed);
}

.skill-tags span:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: scale(1.05);
}

/* ===================================
   Projects Section
   =================================== */
.projects-section {
    padding: 100px 20px;
    background: var(--bg-secondary);
}

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

.project-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed);
    position: relative;
    overflow: hidden;
}

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

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

.project-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.project-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.project-tech span {
    padding: 0.375rem 0.875rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 500;
    opacity: 0.9;
}

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

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-speed);
}

.project-link:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

/* ===================================
   Certifications Section
   =================================== */
.certifications-section {
    padding: 100px 20px;
    background: var(--bg-primary);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-speed);
    text-align: center;
}

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

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.cert-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.cert-institute {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cert-year {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.cert-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}



/* ===================================
   Education Section
   =================================== */
.experience-section {
    padding: 100px 20px;
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
}

.timeline-item {
    display: flex;
    justify-content: flex-start;
    padding: 2rem 0;
    position: relative;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 4px solid var(--bg-secondary);
    z-index: 2;
}

.timeline-card {
    width: 45%;
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-speed);
}

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

.timeline-year {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.timeline-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.institution {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    padding: 100px 20px;
    background: var(--bg-primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info h3,
.contact-form h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-item a {
    color: var(--primary-color);
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-secondary);
    transition: all var(--transition-speed);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.btn-submit {
    width: 100%;
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    font-weight: 500;
    text-align: center;
    display: none;
}

.form-message.success {
    background: #d1fae5;
    color: #065f46;
    display: block;
}

.form-message.error {
    background: #fee2e2;
    color: #991b1b;
    display: block;
}

/* ===================================
   Footer
   =================================== */
.footer {
    padding: 3rem 20px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    text-align: center;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-social a {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-speed);
}

.footer-social a:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.footer-social a:nth-child(1):hover {
    background: #0077b5;
    color: white;
}

.footer-social a:nth-child(2):hover {
    background: #333;
    color: white;
}

.footer-social a:nth-child(3):hover {
    background: #ea4335;
    color: white;
}

.footer-social a:nth-child(4):hover {
    background: var(--primary-color);
    color: white;
}

.footer-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-tagline i {
    color: #ef4444;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

/* ===================================
   Animations
   =================================== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-50px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        justify-content: flex-end !important;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-card {
        width: calc(100% - 80px);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-speed);
        gap: 1rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-avatar {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .profile-image {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .timeline-card {
        width: calc(100% - 60px);
    }
}