/* ==================== CSS VARIABLES ==================== */
:root {
    --primary-color: #2B8C6B;
    --primary-dark: #1a7a56;
    --secondary-color: #1a1a2e;
    --accent-color: #FF6B6B;
    --accent-light: #FFE66D;
    
    --bg-light: #FAFAF9;
    --bg-light-alt: #F3F2F0;
    --bg-light-secondary: #EAE8E5;
    
    --text-light: #1a1a2e;
    --text-light-secondary: #6b7280;
    --text-light-tertiary: #9ca3af;
    
    --border-light: #d4d2cd;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-light);
    transition: background-color var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

button {
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    border: none;
    background: none;
}

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

/* ==================== UTILITIES ==================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 1rem;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    z-index: 10000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-light);
    letter-spacing: -0.02em;
}

.title-line {
    display: none;
}

.subsection-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-light);
}

.subsection-title i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
    border: 1.5px solid transparent;
    font-size: 0.9rem;
    white-space: nowrap;
    font-family: 'DM Sans', sans-serif;
}

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

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

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

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

.btn-cv {
    border-color: var(--border-light);
    color: var(--text-light-secondary);
    background-color: transparent;
}

.btn-cv:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ==================== THEME TOGGLE ==================== */
.theme-toggle {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--text-light);
    font-size: 1rem;
    border: 1.5px solid var(--border-light);
    z-index: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    cursor: pointer;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ==================== LANGUAGE SELECTOR ==================== */
.language-selector {
    position: relative;
    display: flex;
    gap: 0.25rem;
    z-index: auto;
}

.lang-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background-color: transparent;
    color: var(--text-light-secondary);
    font-weight: 500;
    font-size: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    border: 1.5px solid var(--border-light);
    transition: all var(--transition-base);
    cursor: pointer;
}

.lang-btn.active {
    background-color: var(--text-light);
    color: var(--bg-light);
    border-color: var(--text-light);
}

.lang-btn:hover:not(.active) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ==================== NAVBAR ==================== */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(250, 250, 249, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-light);
    z-index: 100;
    transition: all var(--transition-base);
}

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

.nav-logo a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    transition: color var(--transition-fast);
    letter-spacing: -0.02em;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    flex: 1;
    justify-content: center;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-light-secondary);
    position: relative;
    transition: color var(--transition-fast);
    font-size: 0.9rem;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--primary-color);
    transition: width var(--transition-base);
}

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

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

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

.nav-menu a.active::after {
    width: 100%;
}

/* ==================== NAV CONTROLS ==================== */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--text-light);
    transition: all var(--transition-base);
    border-radius: 2px;
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    display: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.hero-greeting {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 0.75rem;
    animation: slideInLeft 0.6s ease 0.2s both;
    letter-spacing: 0.02em;
}

.hero-title {
    font-family: 'DM Sans', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--text-light);
    animation: slideInLeft 0.6s ease 0.4s both;
    letter-spacing: -0.03em;
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--text-light-secondary);
    margin-bottom: 1rem;
    animation: slideInLeft 0.6s ease 0.6s both;
    font-weight: 400;
}

.hero-subtitle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    animation: slideInLeft 0.6s ease 0.8s both;
}

.hero-subtitle i {
    color: var(--primary-color);
}

.hero-email {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    animation: slideInLeft 0.6s ease 0.9s both;
}

.hero-email i {
    color: var(--primary-color);
}

.hero-email a {
    color: var(--text-light-secondary);
    text-decoration: none;
    font-weight: 500;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.hero-email a:hover {
    color: var(--primary-color);
    background-color: rgba(58, 196, 153, 0.08);
}

.hero-cta {
    display: flex;
    gap: 0.75rem;
    animation: slideInLeft 0.6s ease 1s both;
}

.hero-image {
    display: flex;
    justify-content: center;
    animation: slideInRight 0.8s ease 0.5s both;
}

.profile-avatar {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 2px solid var(--border-light);
}

.profile-avatar::before {
    display: none;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 32px;
    border: 1.5px solid var(--border-light);
    border-radius: 10px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 1.5px;
    height: 8px;
    background-color: var(--text-light-tertiary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-light-alt);
}

.about-summary {
    margin-bottom: 4rem;
}

.summary-card {
    background-color: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.summary-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.summary-card p {
    color: var(--text-light-secondary);
    line-height: 1.8;
}

/* ==================== EXPERIENCE TIMELINE ==================== */
.experience-section {
    margin-bottom: 4rem;
}

.timeline {
    position: relative;
    padding-left: 0;
}

.timeline::before {
    display: none;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 0;
}

.timeline-dot {
    display: none;
}

.timeline-content {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    border-color: var(--primary-color);
}

.company-header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.company-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: 0 0 0.25rem 0;
}

.company-period {
    font-size: 0.9rem;
    color: var(--text-light-tertiary);
    margin: 0;
}

/* ==================== NESTED ROLES ==================== */
.nested-roles {
    position: relative;
    padding-left: 0;
    margin-top: 0.5rem;
}

.nested-roles::before {
    display: none;
}

.nested-role {
    position: relative;
    margin-bottom: 1.5rem;
    padding-left: 0;
}

.nested-dot {
    display: none;
}

.nested-content h5 {
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-light);
    margin: 0 0 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.role-badge {
    color: var(--primary-color);
    font-size: 0.85rem;
}

.role-date {
    font-size: 0.85rem;
    color: var(--text-light-tertiary);
    margin: 0.25rem 0 0.75rem 0;
}

.experience-details {
    list-style: none;
    margin: 0;
    padding: 0;
}

.experience-details li {
    color: var(--text-light-secondary);
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.experience-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

/* ==================== SKILLS SECTION ==================== */
.skills-section {
    margin-bottom: 4rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.skill-category {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.skill-category:hover {
    border-color: var(--primary-color);
}

.skill-category h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.skill-badge {
    background-color: var(--bg-light-alt);
    color: var(--text-light-secondary);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid var(--border-light);
    transition: all var(--transition-fast);
}

.skill-badge:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* ==================== STATS SECTION ==================== */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem 1rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--primary-color);
}

.stat-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-light-secondary);
    font-weight: 500;
}

.stat-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.stat-link:hover .stat-number {
    color: var(--primary-dark);
}

/* ==================== PROJECTS SECTION ==================== */
.projects {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-light-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(350px, 1fr)) !important;
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 100%;
}

.project-card {
    background-color: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
}

.project-header {
    padding: 1.75rem 1.75rem 1rem;
    border-bottom: none;
}

.project-card h3 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 0.75rem;
}

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

.tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.project-description {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: 0.5rem;
    padding: 0 1.75rem;
}

.project-description:not(.projects .project-description) {
    padding: 0;
    margin-bottom: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.project-details {
    padding: 1.25rem 1.75rem;
    flex-grow: 1;
}

.project-details li {
    list-style: none;
    color: var(--text-light-secondary);
    margin-bottom: 0.75rem;
    padding-left: 1.25rem;
    position: relative;
    line-height: 1.6;
    font-size: 0.9rem;
}

.project-details li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.project-footer {
    padding: 1rem 1.75rem;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

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

.projects-footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 2px solid var(--border-light);
}

.projects-footer p {
    margin-bottom: 1.5rem;
    color: var(--text-light-secondary);
    font-size: 1.1rem;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    padding: var(--spacing-2xl) var(--spacing-md);
    background-color: var(--bg-light-alt);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    color: var(--text-light-secondary);
    font-size: 1.1rem;
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 0.625rem 0.875rem;
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.9rem;
    color: var(--text-light);
    transition: all var(--transition-base);
    background-color: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(58, 196, 153, 0.1);
}

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

/* ==================== FORM SUCCESS MESSAGE ==================== */
.form-success-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1.5rem;
    animation: slideInUp 0.5s ease forwards;
}

.form-success-message i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: scaleIn 0.6s ease;
}

.form-success-message h3 {
    font-family: 'DM Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.form-success-message p {
    color: var(--text-light-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
    max-width: 500px;
}

.form-success-actions {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.form-success-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all var(--transition-base);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.5);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--bg-light-alt);
    border-top: 1px solid var(--border-light);
    color: var(--text-light-secondary);
    padding: 1.5rem var(--spacing-md);
    text-align: center;
}

.footer p {
    margin-bottom: 0.15rem;
    font-size: 0.8rem;
}

.footer i {
    color: var(--accent-color);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background-color: var(--bg-light);
    color: var(--text-light-secondary);
    border: 1.5px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
}

.back-to-top:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* ==================== ANIMATIONS ==================== */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scroll {
    to {
        transform: translateX(-50%) translateY(10px);
        opacity: 0;
    }
}

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