/* =====================
   VARIABLES & RESET
   ===================== */
:root {
    --primary-neon: #00ff88;
    --secondary-neon: #ff006e;
    --accent-neon: #00d4ff;
    --dark-bg: #0a0e27;
    --darker-bg: #060b1a;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --border-color: rgba(0, 255, 136, 0.2);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* =====================
   NAVIGATION
   ===================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 3px;
}

.neon-text {
    color: var(--primary-neon);
    text-shadow: 0 0 10px var(--primary-neon),
                 0 0 20px var(--primary-neon),
                 0 0 30px var(--primary-neon);
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { text-shadow: 0 0 10px var(--primary-neon), 0 0 20px var(--primary-neon); }
    50% { text-shadow: 0 0 20px var(--primary-neon), 0 0 40px var(--primary-neon); }
}

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

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    box-shadow: 0 0 10px var(--primary-neon);
}

/* Language Toggle Button */
.language-toggle {
    display: flex;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: 2px solid var(--primary-neon);
    color: var(--primary-neon);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: bold;
    font-size: 0.9rem;
}

.lang-btn:hover {
    background: var(--primary-neon);
    color: var(--dark-bg);
    box-shadow: 0 0 10px var(--primary-neon);
}

.flag-pt, .flag-en {
    display: inline-block;
    font-size: 1.1rem;
}

.separator {
    margin: 0 0.3rem;
}

.lang-btn.pt-active .flag-pt {
    color: var(--primary-neon);
    text-shadow: 0 0 5px var(--primary-neon);
}

.lang-btn.en-active .flag-en {
    color: var(--primary-neon);
    text-shadow: 0 0 5px var(--primary-neon);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-neon);
    transition: var(--transition);
    border-radius: 2px;
}

/* =====================
   HERO SECTION
   ===================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    position: relative;
    overflow: hidden;
    margin-top: 60px;
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20px 30px, #eee, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 60px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(1px 1px at 50px 50px, #ddd, rgba(0,0,0,0));
    background-size: 200px 200px;
    animation: twinkle 5s ease-in-out infinite;
    z-index: -1;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    z-index: 1;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: 1rem;
    color: var(--primary-neon);
    text-shadow: 0 0 20px var(--primary-neon),
                 0 0 40px var(--primary-neon);
    animation: slideInLeft 0.8s ease-out;
}

.hero-text .subtitle-neon {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--accent-neon);
    text-shadow: 0 0 10px var(--accent-neon);
    margin-bottom: 1rem;
    animation: slideInLeft 0.8s ease-out 0.2s backwards;
}

.tagline {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: slideInLeft 0.8s ease-out 0.4s backwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: slideInLeft 0.8s ease-out 0.6s backwards;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    font-weight: bold;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-neon);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--primary-neon);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px var(--primary-neon),
                0 10px 20px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--accent-neon);
    border: 2px solid var(--accent-neon);
    box-shadow: 0 0 10px var(--accent-neon);
}

.btn-secondary:hover {
    background: var(--accent-neon);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 0.8s ease-out 0.4s backwards;
}

.animated-circle {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-neon), var(--accent-neon), var(--secondary-neon), var(--primary-neon));
    animation: rotate 8s linear infinite;
    box-shadow: 0 0 40px var(--primary-neon),
                0 0 80px var(--accent-neon);
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-mouse {
    width: 30px;
    height: 30px;
    color: var(--primary-neon);
    filter: drop-shadow(0 0 5px var(--primary-neon));
}

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

/* =====================
   SECTIONS COMMON
   ===================== */
section {
    padding: 100px 0;
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 3rem;
    color: var(--primary-neon);
    text-align: center;
    text-shadow: 0 0 10px var(--primary-neon);
    animation: fadeInUp 0.6s ease-out;
}

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

/* =====================
   ABOUT SECTION
   ===================== */
.about-section {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
}

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

.about-text {
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

.about-bio {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-info {
    display: grid;
    gap: 1rem;
}

.info-item {
    padding: 1rem;
    border-left: 3px solid var(--primary-neon);
    background: rgba(0, 255, 136, 0.05);
    transition: var(--transition);
}

.info-item:hover {
    background: rgba(0, 255, 136, 0.1);
    transform: translateX(5px);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.info-item .label {
    font-weight: bold;
    color: var(--primary-neon);
}

.info-item .value {
    display: block;
    color: var(--text-secondary);
}

.info-item a {
    color: var(--accent-neon);
    text-decoration: none;
    transition: var(--transition);
}

.info-item a:hover {
    text-decoration: underline;
    text-shadow: 0 0 5px var(--accent-neon);
}

.skills-container {
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
}

.skills-container h3 {
    color: var(--accent-neon);
    margin-bottom: 1.5rem;
}

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

.skill-badge {
    padding: 0.75rem 1rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--primary-neon);
    border-radius: 20px;
    text-align: center;
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
}

.skill-badge:hover {
    background: rgba(0, 255, 136, 0.2);
    box-shadow: 0 0 10px var(--primary-neon);
    transform: translateY(-3px);
}

/* =====================
   EXPERIENCE SECTION
   ===================== */
.experience-section {
    background: linear-gradient(135deg, rgba(255, 0, 110, 0.05) 0%, rgba(0, 14, 39, 0.1) 100%);
}

.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-neon), var(--accent-neon));
}

.timeline-item {
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease-out backwards;
}

.timeline-item:nth-child(odd) {
    margin-left: 0;
    margin-right: auto;
    width: 45%;
    text-align: right;
    padding-right: 2rem;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
    margin-right: 0;
    width: 45%;
    padding-left: 2rem;
}

.timeline-content {
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: rgba(0, 255, 136, 0.05);
    transition: var(--transition);
}

.timeline-content:hover {
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
    border-color: var(--primary-neon);
    transform: translateY(-5px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--primary-neon);
    border: 3px solid var(--dark-bg);
    border-radius: 50%;
    top: 1.5rem;
    box-shadow: 0 0 10px var(--primary-neon);
}

.timeline-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-neon);
    margin-bottom: 0.5rem;
}

.timeline-company {
    color: var(--primary-neon);
    font-size: 0.95rem;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.timeline-description {
    margin-top: 1rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.technologies-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tech-tag {
    padding: 0.3rem 0.8rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-neon);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--accent-neon);
}

/* =====================
   EDUCATION SECTION
   ===================== */
.education-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(0, 14, 39, 0.1) 100%);
}

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

.education-card {
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.05);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out backwards;
}

.education-card:hover {
    border-color: var(--accent-neon);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-10px);
}

.education-degree {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-neon);
}

.education-institution {
    color: var(--primary-neon);
    margin-top: 0.5rem;
}

.education-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* =====================
   PORTFOLIO SECTION
   ===================== */
.portfolio-section {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-neon);
    background: transparent;
    color: var(--primary-neon);
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: bold;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-neon);
    color: var(--dark-bg);
    box-shadow: 0 0 20px var(--primary-neon);
    transform: scale(1.05);
}

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

.project-card {
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 255, 136, 0.05);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out backwards;
}

.project-card:hover {
    border-color: var(--primary-neon);
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
    transform: translateY(-10px);
}

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-neon), var(--accent-neon));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-neon);
    margin-bottom: 0.5rem;
}

.project-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(0, 255, 136, 0.2);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--primary-neon);
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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

.project-link {
    color: var(--accent-neon);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-link:hover {
    color: var(--primary-neon);
    text-decoration: underline;
    text-shadow: 0 0 5px var(--primary-neon);
}

/* =====================
   TESTIMONIALS SECTION
   ===================== */
.testimonials-section {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
}

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

.testimonial-card {
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: rgba(0, 212, 255, 0.05);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease-out backwards;
}

.testimonial-card:hover {
    border-color: var(--secondary-neon);
    background: rgba(255, 0, 110, 0.1);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.2);
    transform: translateY(-10px);
}

.testimonial-content {
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-rating {
    margin-bottom: 1rem;
    color: #ffd700;
    font-size: 1.2rem;
}

.testimonial-author {
    font-weight: bold;
    color: var(--secondary-neon);
}

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

/* =====================
   CONTACT SECTION
   ===================== */
.contact-section {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, rgba(0, 212, 255, 0.05) 100%);
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    animation: fadeInUp 0.6s ease-out 0.2s backwards;
}

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

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    background: rgba(0, 255, 136, 0.05);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-neon);
    background: rgba(0, 255, 136, 0.1);
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.form-error {
    color: #ff6b6b;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.form-error.show {
    display: block;
}

.form-success {
    color: var(--primary-neon);
    font-size: 0.9rem;
    display: none;
}

.form-success.show {
    display: block;
}

.contact-info {
    animation: fadeInUp 0.6s ease-out 0.4s backwards;
    padding: 2rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
}

.contact-info h3 {
    color: var(--accent-neon);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

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

.social-link {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    color: var(--primary-neon);
    text-decoration: none;
    transition: var(--transition);
    text-align: center;
    font-weight: bold;
}

.social-link:hover {
    background: var(--primary-neon);
    color: var(--dark-bg);
    border-color: var(--primary-neon);
    box-shadow: 0 0 15px var(--primary-neon);
    transform: translateX(5px);
}

/* =====================
   FOOTER
   ===================== */
.footer {
    background: rgba(0, 0, 0, 0.3);
    border-top: 2px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
}

.footer a {
    color: var(--primary-neon);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    text-decoration: underline;
    text-shadow: 0 0 5px var(--primary-neon);
}

/* =====================
   BACK TO TOP BUTTON
   ===================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-neon);
    color: var(--dark-bg);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: bold;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 900;
    box-shadow: 0 0 20px var(--primary-neon);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px var(--primary-neon);
}

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

/* =====================
   RESPONSIVE DESIGN
   ===================== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        padding: 2rem;
        gap: 1rem;
        border-bottom: 2px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

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

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text .subtitle-neon {
        font-size: 1.5rem;
    }

    .animated-circle {
        width: 200px;
        height: 200px;
    }

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

    .timeline {
        padding-left: 0;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item,
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        width: 100%;
        margin: 0;
        padding-left: 50px;
        text-align: left;
    }

    .timeline-dot {
        left: 0;
    }

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

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

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    section {
        padding: 60px 0;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-section {
        padding: 100px 15px 40px;
        margin-top: 50px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

/* =====================
   ANIMATIONS
   ===================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in {
    animation: slideIn 0.6s ease-out;
}