/* Reset y Variables */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4CAF50;
    --error-color: #f44336;
    --warning-color: #ff9800;
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gray-color: #666666;
    --light-gray: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --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;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header y Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar {
    position: relative;
}

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

.nav-logo h2 {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.8rem;
    margin-bottom: 0;
}

.nav-logo span {
    font-size: 0.8rem;
    color: var(--gray-color);
    display: block;
    margin-top: -5px;
}

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

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 3px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 80%;
    animation-delay: -5s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 70%;
    animation-delay: -15s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 40%;
    left: 5%;
    animation-delay: -8s;
}

.tech-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tech-icon {
    position: absolute;
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.1);
    animation: techFloat 25s infinite ease-in-out;
}

.tech-icon:nth-child(1) {
    top: 15%;
    left: 15%;
    animation-delay: 0s;
}

.tech-icon:nth-child(2) {
    top: 25%;
    right: 20%;
    animation-delay: -4s;
}

.tech-icon:nth-child(3) {
    top: 70%;
    left: 25%;
    animation-delay: -8s;
}

.tech-icon:nth-child(4) {
    top: 50%;
    right: 15%;
    animation-delay: -12s;
}

.tech-icon:nth-child(5) {
    bottom: 20%;
    right: 30%;
    animation-delay: -16s;
}

.tech-icon:nth-child(6) {
    bottom: 30%;
    left: 10%;
    animation-delay: -20s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg); 
        opacity: 0.6;
    }
    50% { 
        transform: translateY(-30px) rotate(180deg); 
        opacity: 0.3;
    }
}

@keyframes techFloat {
    0%, 100% { 
        transform: translateY(0px) scale(1); 
        opacity: 0.1;
    }
    25% { 
        transform: translateY(-15px) scale(1.1); 
        opacity: 0.2;
    }
    50% { 
        transform: translateY(-25px) scale(0.9); 
        opacity: 0.05;
    }
    75% { 
        transform: translateY(-10px) scale(1.05); 
        opacity: 0.15;
    }
}

.btn-app-download {
    background: linear-gradient(45deg, #34d399, #10b981);
    color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.btn-app-download::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.btn-app-download:hover {
    background: linear-gradient(45deg, #10b981, #059669);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(52, 211, 153, 0.3);
}

/* Tracking Section */
.tracking-section {
    padding: 3rem 0;
    background: var(--light-gray);
}

.tracking-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    border-top: 4px solid var(--primary-color);
}

.tracking-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.tracking-card p {
    color: var(--gray-color);
    margin-bottom: 2rem;
}

.tracking-form .form-row {
    display: grid;
    grid-template-columns: 200px 1fr auto;
    gap: 1rem;
    align-items: end;
}

.flex-grow {
    flex: 1;
}

.tracking-form select,
.tracking-form input {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
}

.tracking-form select:focus,
.tracking-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.btn-track {
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #f59e0b, #d97706);
    color: var(--light-color);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-track:hover {
    background: linear-gradient(45deg, #d97706, #b45309);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
}

/* Clients Section */
.clients-section {
    padding: 5rem 0;
    background: var(--light-color);
}

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

.client-card {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.client-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.client-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    background: var(--light-color);
}

.client-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.client-logo i {
    font-size: 2rem;
    color: var(--light-color);
}

.client-card h3 {
    font-size: 1.4rem;
    font-weight: bold;
    margin-bottom: 0.8rem;
    color: var(--dark-color);
}

.client-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.client-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
}

.client-link:hover {
    background: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    color: var(--light-color);
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(45deg, var(--accent-color), #ffeaa7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    max-width: 600px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--light-color);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

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

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

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

.stat {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat h3 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat p {
    opacity: 0.9;
}

/* Sections General */
section {
    padding: 5rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    background: var(--light-gray);
}

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

.service-card {
    background: var(--light-color);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: var(--light-color);
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.service-card p {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.service-card ul li {
    padding: 0.3rem 0;
    color: var(--gray-color);
    position: relative;
    padding-left: 1.5rem;
}

.service-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.service-link:hover {
    gap: 1rem;
    color: var(--secondary-color);
}

/* Solutions Section */
.solutions {
    background: var(--light-color);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

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

.solution-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.solution-image i {
    font-size: 2rem;
    color: var(--light-color);
}

.solution-content h3 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.solution-content p {
    color: var(--gray-color);
    line-height: 1.6;
}

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

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

.about-text h2 {
    font-size: 2.2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-text p {
    color: var(--gray-color);
    margin-bottom: 2rem;
    line-height: 1.7;
    font-size: 1.1rem;
}

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

.feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.2rem;
}

.feature h4 {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature p {
    color: var(--gray-color);
    line-height: 1.6;
    margin: 0;
}

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

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.image-placeholder i {
    font-size: 5rem;
    color: var(--light-color);
    opacity: 0.8;
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    color: var(--light-color);
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.3rem;
    color: var(--dark-color);
}

.contact-details p {
    color: var(--gray-color);
    margin: 0;
}

/* Contact Form */
.contact-form-container {
    background: var(--light-gray);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Tracking Message Styles */
.tracking-message {
    margin-bottom: 1.5rem;
}

.tracking-message .alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
    transition: all 0.3s ease;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.alert-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* Footer */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--light-color);
}

.footer-section p {
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li a {
    color: var(--gray-color);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--primary-color);
}

.footer-section ul li i {
    margin-right: 0.5rem;
    width: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.3);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: var(--gray-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--light-color);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: var(--shadow);
        transform: translateX(-100%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

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

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

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .tracking-form .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

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

    .solution-item {
        flex-direction: column;
        text-align: center;
    }

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .container {
        padding: 0 1rem;
    }

    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .stat {
        padding: 1rem;
    }

    .stat h3 {
        font-size: 2rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .tracking-card {
        padding: 1.5rem;
    }

    .client-card {
        padding: 1.5rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.loading {
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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