* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary: #4361ee;
    --secondary: #7209b7;
    --accent: #4cc9f0;
    --light: #ffffff;
    --dark: #1a1a2e;
    --gray: #f8f9fa;
    --text-dark: #2d3748;
}

body {
    overflow-x: hidden;
    color: var(--light);
    background-color: var(--dark);
}


.video-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: linear-gradient(45deg, var(--primary), var(--secondary));

}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(26, 26, 46, 0.5) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 10%;
    position: relative;
    z-index: 10;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--accent);
}

.navbar {
    box-shadow: none !important;
    -webkit-box-shadow: none !important;
}

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

.btn {
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    outline: none;
}

.btn-login {
    background: transparent;
    border: 1px solid var(--light);
    color: var(--light);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-register {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: var(--light);
}


.btn-register:hover {
    transform: translateY(-2px);
}

.btn-sign-up {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background: linear-gradient(45deg, #11998E, #38EF7D);
    color: white;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.3);
}


.btn-sign-up:hover {
    transform: translateY(-2px);
}

.btn-login-submit {
    background: linear-gradient(45deg, var(--primary), var(--accent));
    color: var(--light);
}

.btn-login-submit:hover {
    transform: translateY(-2px);
}
.btn-login-submit-orange {
    background: linear-gradient(45deg, #ff6b35, #ff8c42);
    color: #ffffff;
}
.btn-login-submit-orange:hover {
    transform: translateY(-2px);
}

.hero {
    min-height: 40vh;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    text-align: center;
    padding: 0 10%;
}

.hero-sign-in {
    min-height: 30vh;
    height: 30vh;
}

.logo-ekho{
    width: 30vw;height: auto;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
    font-weight: 500;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.08);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.95);
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: rgba(0,0,0,0.6);
    font-weight: 500;
}


.description {
    font-size: 16px;
    color: #a6b9d1;
    margin-bottom: 32px;
    font-weight: 400;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/*Sign In FORM*/

.form-header {
    text-align: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    max-width: 520px;
    width: 100%;
}

.form-title {
    font-size: 36px;
    color: #1a1a1a;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #1a1a1a, #666666);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.status {
    font-size: 14px;
    color: #6c757d;
    font-weight: 500;
    letter-spacing: 0.5px;

}

.label-required::before {
    font-weight: bold;
    color: #6700ff;
    content: "* ";
}


.form-subtitle {
    color: rgba(0,0,0,0.6);
    font-size: 16px;
    line-height: 1.5;
    font-weight: 400;
}

.form-container {
    max-width: 520px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}


.input-sing-in {
    width: 100%;
    padding: 20px 24px;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 16px;
    font-size: 16px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    color: #1a1a1a;
    outline: none;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.select-sing-in {
    min-height: 66px;
    width: 100%;
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 16px;
    font-size: 16px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    color: #1a1a1a;
    outline: none;
    transition: all 0.3s ease;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.form-group input::placeholder {
    color: rgba(0,0,0,0.4);
}

.form-group input:focus,
.form-group select:focus {
    border-color: #667eea;
    background: rgba(255,255,255,0.95);
    box-shadow: 0 0 0 1px rgba(102,126,234,0.2), 0 8px 32px rgba(102,126,234,0.1);
    transform: translateY(-2px);
}

/**/

.btn-demo {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-demo:hover {
    background: rgba(255, 255, 255, 0.2);
}

.features {
    position: absolute;
    bottom: 3rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: var(--light);
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-weight: 500;
}

.feature span {
    color: var(--accent);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger div {
    width: 25px;
    height: 3px;
    background-color: var(--light);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Nuevas secciones */
.detailed-sections {
    background-color: var(--gray);
    color: var(--text-dark);
    padding: 3rem 0;
}

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    color: var(--secondary);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-title p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    border-bottom: 3px solid var(--primary);
    color: var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.two-column {
    display: flex;
    align-items: start;
    gap: 3rem;
    margin-bottom: 4rem;
}

.video-container {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    width: 100%;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    position: relative;
}

.play-icon {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.play-icon::before {
    content: '';
    width: 0;
    height: 0;
    border-top: 15px solid transparent;
    border-bottom: 15px solid transparent;
    border-left: 25px solid white;
    margin-left: 5px;
}

.content {
    flex: 1;
}

.content h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.content p {
    margin-bottom: 2rem;
    line-height: 1.6;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    line-height: 1.5;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}


.pricing-section {
    padding: 5rem 10%;
    background: linear-gradient(to bottom, var(--dark), rgba(26, 26, 46, 0.95));
    color: var(--light);
}

.pricing-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.pricing-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.pricing-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.plans-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.plan-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    padding: 2rem;
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.plan-card.featured {
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.2), rgba(114, 9, 183, 0.2));
    border: 1px solid rgba(76, 201, 240, 0.3);
    box-shadow: 0 10px 25px rgba(67, 97, 238, 0.15);
}

.plan-badge {
    position: absolute;
    top: -12px;
    right: 10%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.plan-header {
    margin-bottom: 2rem;
}

.plan-header h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.plan-price span {
    font-size: 1rem;
    font-weight: normal;
    opacity: 0.7;
}

.plan-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.plan-features {
    margin-bottom: 2rem;
}

.plan-features ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.plan-features li {
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.check-icon {
    color: var(--accent);
    margin-right: 0.5rem;
}

.plan-button {
    width: 100%;
    padding: 0.8rem;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.plan-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.featured-button {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.featured-button:hover {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
}


.about-section {
    background-color: var(--gray);
    padding: 5rem 0;
    color: var(--dark);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    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(45deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

.contact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--accent);
}

.contact-card p, .contact-card a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--accent);
}

.social-links {
    text-align: center;
    margin-bottom: 3rem;
}

.social-links h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--dark);
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    transform: translateY(-3px);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 10px;
}

.contact-form h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

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

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: var(--dark);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.btn-form {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: var(--dark);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: transform 0.3s ease;
    width: 100%;
}

.btn-form:hover {
    transform: translateY(-3px);
}



.features-section {
    padding: 80px 0;
    background-color: rgba(26, 26, 46, 0.8);
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark);
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--dark);
    line-height: 1.6;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 30px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    margin-bottom: 20px;
    height: 60px;
    width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--accent);
}

.feature-card p {
    background-color: var(--gray);
    color: var(--text-dark);
}



.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
    margin-bottom: 0.5rem;
}

.login-header p {
    font-size: 0.875rem;
    color: #6b7280;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
}

.input-login {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--dark);
    border-radius: 4px;
    font-size: 0.875rem;
    transition: border-color 0.15s ease;
}

.input-login:focus{
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-container input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: #3b82f6;
}

.checkbox-container label {
    font-size: 0.875rem;
    color: #374151;
}

.forgot-password {
    font-size: 0.875rem;
    color: #3b82f6;
    text-decoration: none;
}

.forgot-password:hover {
    text-decoration: underline;
}

.submit-button {
    width: 100%;
    padding: 0.75rem;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease;
}
.submit-exit--button {
    width: 100%;
    padding: 0.75rem;
    background-color: #363535;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.submit-button:hover {
    background-color: #2563eb;
}

.submit-button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4);
}

.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: #6b7280;
    font-size: 0.75rem;
    text-transform: uppercase;
}

.divider::before,
.divider::after {
    content: "";
    flex: 1;
    border-top: 1px solid #e5e7eb;
}

.divider span {
    padding: 0 0.75rem;
}

.social-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.social-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.social-button:hover {
    background-color: #f9fafb;
}

.signup-link {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.875rem;
    color: #6b7280;
}

.signup-link a {
    color: #3b82f6;
    text-decoration: none;
}

.signup-link a:hover {
    text-decoration: underline;
}
.form-rounded {
    border-radius: 0.5rem;
}

/* Success icon */
.success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background-color: #f0f9f4;
    display: flex;
    justify-content: center;
    align-items: center;
}

.checkmark {
    width: 32px;
    height: 60px;
    border-right: 4px solid #4caf50;
    border-bottom: 4px solid #4caf50;
    transform: rotate(45deg);
    margin-top: -10px;
    margin-left: 5px;
    animation: checkmark 0.5s ease-in-out 0.4s both;
}

.modal-title {
    color: #333;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
}

.modal-message {
    color: #666;
    font-size: 16px;
    line-height: 1.5;
    margin-bottom: 24px;
}

/* Button */
.modal-button {
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.modal-button:hover {
    background-color: #43a047;
}


/* Error icon */
.error-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background-color: #fff0f0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.error-x {
    position: relative;
    width: 40px;
    height: 40px;
}

.error-x:before,
.error-x:after {
    position: absolute;
    content: '';
    width: 40px;
    height: 4px;
    background-color: #e53935;
    border-radius: 2px;
    top: 18px;
}

.error-x:before {
    transform: rotate(45deg);
    animation: drawLine 0.3s ease-out 0.3s forwards;
    transform-origin: center;
    opacity: 0;
}

.error-x:after {
    transform: rotate(-45deg);
    animation: drawLine 0.3s ease-out 0.6s forwards;
    transform-origin: center;
    opacity: 0;
}


.modal-button-retry {
    background-color: #e53935;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    flex: 1;
}

.modal-button-retry:hover {
    background-color: #d32f2f;
}
.payment-methods-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 30px 20px;
}

.payment-methods-title {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.payment-methods-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    padding: 20px 0;
}

.payment-method {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 120px;
}

.payment-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.payment-name {
    font-size: 14px;
    color: #555;
    text-align: center;
}

.payment-methods-note {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: #666;
}


.err-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f9fafb;
    color: #1f2937;
    padding: 0 20px;
    text-align: center;
    margin: 0;
}

.err-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 1.5rem;
    fill: #ef4444;
    animation: err-pulse 2s infinite;
}

.err-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.err-message {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    color: #4b5563;
    max-width: 500px;
}

.err-button {
    background-color: #3b82f6;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.err-button:hover {
    background-color: #2563eb;
}

.err-details {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: #6b7280;
    cursor: pointer;
    text-decoration: underline;
}

.err-details-content {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    background-color: #f3f4f6;
    border-radius: 0.375rem;
    font-family: monospace;
    white-space: pre-wrap;
    text-align: left;
    max-width: 600px;
    overflow-x: auto;
}

.contact-pricing-card {
    background: #ffffff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-pricing-card h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 24px;
}

.contact-pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.contact-pricing-card ul li {
    margin: 10px 0;
    color: #666;
}

.contact-info {
    margin-top: 30px;
}

.contact-details {
    margin: 20px 0;
}

.contact-details p {
    margin: 10px 0;
}

.contact-details a {
    color: #007bff;
    text-decoration: none;
}

.contact-details i {
    margin-right: 10px;
    color: #007bff;
}


/* Animation */
@keyframes err-pulse {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(0.98);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}



.lema-h2 {
    font-size: 3rem;
    color: #333;
    text-align: center;

}

.destacado {
    background-color: #FF4500;
    font-size: 1.5rem;
    padding: 0 8px;
    border-radius: 8px;
    color: white;
    position: relative;
    display: inline-block;
    margin: 0 3px;
    animation: brillar 1.5s infinite alternate;
    box-shadow: 0 0 15px rgba(255, 69, 0, 0.7);
}

.destacado::before {
    content: "";
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 2px dashed #FF4500;
    border-radius: 12px;
    animation: rotar 4s linear infinite;
    pointer-events: none;
}

@keyframes brillar {
    0% {
        filter: brightness(1);
    }
    100% {
        filter: brightness(1.3);
    }
}

@keyframes rotar {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Language Switcher Styles */
.language-switcher {
    position: relative;
    display: inline-block;
    margin-bottom: 0rem;
}

.language-button {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 2px 24px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 140px;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.language-button:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.language-button:active {
    transform: translateY(0);
}

.current-lang {
    display: flex;
    align-items: center;
    gap: 8px;
}

.flag-emoji {
    font-size: 1.2em;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.chevron {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
    opacity: 0.7;
}

.chevron.open {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    margin-top: 0px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    z-index: 1000;
}

.language-dropdown.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #333;
    font-weight: 500;
}

.language-option:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(4px);
}

.language-option.active {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
}

.lang-code {
    font-size: 0.85rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}


/* Responsive adjustments */

@media (max-width: 768px) {

    .err-title {
        font-size: 1.75rem;
    }
    .err-message {
        font-size: 1rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }

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

    .section-description {
        font-size: 1rem;
    }

    .features-section {
        padding: 60px 0;
    }

    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 32px;
        text-align: center;
    }

    .footer-brand {
        max-width: none;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

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

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

    .social-icon {
        width: 40px;
        height: 40px;
    }

    .plans-container {
        flex-direction: column;
        align-items: center;
    }

    .plan-card {
        width: 100%;
        max-width: 320px;
        margin-bottom: 2rem;
    }

    .logo-ekho{
        width: 80vw;height: auto;
    }
    .hamburger {
        display: block;
    }

    .nav-links {
        position: absolute;
        right: 0;
        top: 80px;
        background: rgba(26, 26, 46, 0.95);
        backdrop-filter: blur(10px);
        width: 100%;
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        clip-path: circle(0px at 90% -10%);
        -webkit-clip-path: circle(0px at 90% -10%);
        transition: all 0.5s ease-out;
        pointer-events: none;
        gap: 1.5rem;
        z-index: 20;
    }

    .nav-links.open {
        clip-path: circle(1000px at 90% -10%);
        -webkit-clip-path: circle(1000px at 90% -10%);
        pointer-events: all;
    }

    .auth-buttons {
        display: none;
    }

    .nav-links .auth-buttons {
        display: flex;
        margin-top: 1rem;
    }

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

    .hero h2 {
        font-size: 1.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .features {
        flex-direction: column;
        align-items: center;
        bottom: 1rem;
        gap: 0.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .two-column {
        flex-direction: column;
    }

    .tabs {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

}



/* Products Section */
.products-background {
    background: #fafafa;
}

.products-section {
    max-width: 1000px;
    margin: 0 auto;
    padding: 10px 24px;
}

.products-header {
    text-align: center;
    margin-bottom: 48px;
}

.products-title {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.products-subtitle {
    font-size: 16px;
    color: #64748b;
    font-weight: 400;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px;
    transition: all 0.2s ease;
}

.product-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.product-icon {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.product-icon.parents { background: #10b981; }
.product-icon.plus { background: #8b5cf6; }
.product-icon.superior { background: #f59e0b; }
.product-icon.kids { background: #f472b6; }
.product-icon.tutor { background: #ff234a; }
.product-icon.business { background: #4169E1; }

.product-name {
    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
    margin: 0;
}

.product-description {
    color: #64748b;
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.5;
}

.product-features {
    list-style: none;
    margin-bottom: 20px;
}

.product-features li {
    color: #64748b;
    font-size: 13px;
    margin-bottom: 6px;
    padding-left: 16px;
    position: relative;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
    font-size: 11px;
}

.product-btn {
    background: linear-gradient(135deg, #4169E1 0%, #6B46C1 50%, #8B5CF6 100%);
    color: white;
    border: none;
    padding: 10px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    width: 100%;
    text-align: center;
    box-shadow: 0 4px 15px rgba(65, 105, 225, 0.3);
    position: relative;
    overflow: hidden;
}

.product-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #5B7CFA 0%, #7C3AED 50%, #A855F7 100%);
    transition: left 0.3s ease;
    z-index: -1;
}

.product-btn:hover::before {
    left: 0;
}

.product-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(65, 105, 225, 0.4);
}

/* Footer */
.footer {
    background: #0f172a;
    color: #e2e8f0;
    padding: 60px 0 30px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, #4169E1 0%, #6B46C1 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
    display: block;
}

.footer-description {
    font-size: 16px;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(65, 105, 225, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4169E1;
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-link:hover {
    background: #4169E1;
    color: white;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #4169E1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 15px;
}

.contact-icon {
    width: 20px;
    height: 20px;
    background: #4169E1;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 10px;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-info-footer {
    color: #94a3b8;
    line-height: 1.5;
}

.contact-info-footer a {
    color: #4169E1;
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    color: #64748b;
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: #64748b;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-legal a:hover {
    color: #4169E1;
}

.ekho-hero {
    background: linear-gradient(135deg, #AED6F1 0%, #A9DFBF 50%, #F9E79F 100%);
    color: #2C3E50;
    text-align: center;
    padding: 5rem 2rem;
    position: relative;
}

.ekho-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%23ffffff" opacity="0.3"/><circle cx="80" cy="40" r="1.5" fill="%23ffffff" opacity="0.2"/><circle cx="40" cy="80" r="1" fill="%23ffffff" opacity="0.4"/></svg>');
}

.ekho-hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.ekho-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #FFFFFF;
    text-shadow: 2px 2px 4px rgba(44, 62, 80, 0.3);
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.ekho-hero p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    font-weight: 500;
    color: #2C3E50;
    background: rgba(255, 255, 255, 0.9);
    padding: 1rem 2rem;
    border-radius: 25px;
    display: inline-block;
}

.ekho-cta-button-register {
    display: inline-block;
    background: #fa8000;
    color: #FFFFFF;
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 3px solid #FFFFFF;
    box-shadow: 0 6px 20px rgba(241, 148, 138, 0.3);
}

.ekho-cta-button-register:hover {
    background: #f43719;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(236, 112, 99, 0.4);
}

.ekho-cta-button {
    display: inline-block;
    background: #229954;
    color: #FFFFFF !important;
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 3px solid #FFFFFF;
    box-shadow: 0 6px 20px rgba(241, 148, 138, 0.3);
}

.ekho-cta-button:hover {
    background: #EC7063;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(236, 112, 99, 0.4);
}

.ekho-cta-btn-demo {
    display: inline-block;
    padding: 1.2rem 2.5rem;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: 3px solid #FFFFFF;
    box-shadow: 0 6px 20px rgba(241, 148, 138, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
}

.ekho-cta-btn-demo:hover {
    background: rgba(255, 255, 255, 0.2);
}

.title {
    font-size: 4rem;
    font-weight: 900;
    margin: 20px 0;
    font-family: 'Arial Black', Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.ekho {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #FFFFFF;
    -webkit-background-clip: text;
    background-clip: text;
    display: block;
    position: relative;
    animation: ekhoGentlePulse 4s ease-in-out infinite;
}


.kids span {
    display: inline-block;
    margin: 0 5px;
    padding: 20px 25px;
    color: white;
    border-radius: 8px;
    position: relative;
    animation: legoDynamicMove 4s ease-in-out infinite;
    transform-origin: bottom center;
}

/* Dynamic building effect */
.kids span::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 16px;
    border-radius: 50% 50% 0 0;
    box-shadow:
            -15px 0 0 currentColor,
            15px 0 0 currentColor;
    animation: studsBounce 3s ease-in-out infinite;
}

.kids span::after {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 16px;
    border-radius: 50% 50% 0 0;
    animation: studsBounce 3s ease-in-out infinite;
}

/* Individual LEGO block colors with enhanced shadows */
.k {
    background: linear-gradient(145deg, #e74c3c, #c0392b);
    box-shadow:
            0 8px 0 #a93226,
            0 12px 25px rgba(231,76,60,0.4),
            inset 0 2px 0 rgba(255,255,255,0.3);
    animation-delay: 0s;
}
.k::before, .k::after {
    background: #e74c3c;
    animation-delay: 0s;
}

.i {
    background: linear-gradient(145deg, #f1c40f, #f39c12);
    box-shadow:
            0 8px 0 #d68910,
            0 12px 25px rgba(241,196,15,0.4),
            inset 0 2px 0 rgba(255,255,255,0.3);
    animation-delay: 0.5s;
}
.i::before, .i::after {
    background: #f1c40f;
    animation-delay: 0.5s;
}

.d {
    background: linear-gradient(145deg, #2ecc71, #27ae60);
    box-shadow:
            0 8px 0 #229954,
            0 12px 25px rgba(46,204,113,0.4),
            inset 0 2px 0 rgba(255,255,255,0.3);
    animation-delay: 1s;
}
.d::before, .d::after {
    background: #2ecc71;
    animation-delay: 1s;
}

.s {
    background: linear-gradient(145deg, #3498db, #2980b9);
    box-shadow:
            0 8px 0 #1f618d,
            0 12px 25px rgba(52,152,219,0.4),
            inset 0 2px 0 rgba(255,255,255,0.3);
    animation-delay: 1.5s;
}
.s::before, .s::after {
    background: #3498db;
    animation-delay: 1.5s;
}

/* Ekho Animations - Subtle and readable */
@keyframes ekhoGentlePulse {
    0%, 100% {
        transform: scale(1);
        text-shadow: 0 4px 8px rgba(0,184,148,0.3);
    }
    50% {
        transform: scale(1.02);
        text-shadow: 0 6px 12px rgba(0,184,148,0.4);
    }
}

@keyframes ekhoShine {
    0% {
        left: -100%;
    }
    50% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Enhanced LEGO block animations */
@keyframes legoDynamicMove {
    0% {
        transform: translateY(0px) rotate(0deg) scale(1);
        box-shadow:
                0 8px 0 var(--shadow-color),
                0 12px 25px var(--glow-color),
                inset 0 2px 0 rgba(255,255,255,0.3);
    }
    15% {
        transform: translateY(-12px) rotate(3deg) scale(1.08);
        box-shadow:
                0 15px 0 var(--shadow-color),
                0 20px 35px var(--glow-color),
                inset 0 2px 0 rgba(255,255,255,0.4);
    }
    30% {
        transform: translateY(-8px) rotate(-2deg) scale(1.05);
    }
    45% {
        transform: translateY(-15px) rotate(1deg) scale(1.1);
        box-shadow:
                0 18px 0 var(--shadow-color),
                0 25px 40px var(--glow-color),
                inset 0 2px 0 rgba(255,255,255,0.5);
    }
    60% {
        transform: translateY(-5px) rotate(-1deg) scale(1.03);
    }
    75% {
        transform: translateY(-10px) rotate(2deg) scale(1.06);
    }
    90% {
        transform: translateY(-3px) rotate(0deg) scale(1.02);
    }
    100% {
        transform: translateY(0px) rotate(0deg) scale(1);
        box-shadow:
                0 8px 0 var(--shadow-color),
                0 12px 25px var(--glow-color),
                inset 0 2px 0 rgba(255,255,255,0.3);
    }
}

@keyframes studsBounce {
    0%, 100% {
        transform: translateX(-50%) scale(1);
    }
    25% {
        transform: translateX(-50%) scale(1.1) rotateY(10deg);
    }
    50% {
        transform: translateX(-50%) scale(1.15) rotateY(-5deg);
    }
    75% {
        transform: translateX(-50%) scale(1.05) rotateY(5deg);
    }
}

/* Hover effects */
.ekho:hover {
    animation-duration: 2s;
    transform: scale(1.05);
}

/* CSS variables for shadow colors */
.k {
    --shadow-color: #a93226;
    --glow-color: rgba(231,76,60,0.4);
}
.i {
    --shadow-color: #d68910;
    --glow-color: rgba(241,196,15,0.4);
}
.d {
    --shadow-color: #229954;
    --glow-color: rgba(46,204,113,0.4);
}
.s {
    --shadow-color: #1f618d;
    --glow-color: rgba(52,152,219,0.4);
}

/* Enhanced hover effects */
.kids span:hover {
    transform: translateY(-20px) rotate(0deg) scale(1.2) !important;
    animation-play-state: paused;
    z-index: 10;
    box-shadow:
            0 25px 0 var(--shadow-color),
            0 35px 50px var(--glow-color),
            inset 0 3px 0 rgba(255,255,255,0.6) !important;
    transition: all 0.3s ease;
}

.kids span:hover::before,
.kids span:hover::after {
    transform: translateX(-50%) scale(1.3);
    animation-play-state: paused;
}

.kids-sm span:hover {
    z-index: 10;
}

/* Responsive design */
@media (max-width: 768px) {
    .title {
        font-size: 2.5rem;
    }
    .container {
        padding: 30px;
    }
    .kids span {
        padding: 15px 20px;
        margin: 0 3px;
    }

    .hero {
        min-height: 60vh;
    }
    .hero-trial {
        min-height: 45vh;
    }

    .hero-sign-in {
        min-height: 20vh;
        height: 20vh;
    }

    .hero h1 {
        font-size: 1.5rem;
    }

    .detailed-sections {
        background-color: var(--gray);
        color: var(--text-dark);
        padding: 1rem 0;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 2rem;
    }
    .container {
        padding: 10px 20px;
    }
}

.ekho-kids-h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2C3E50 !important;
    margin-bottom: 1rem;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.ekho-kids-p {
    color: #5D6D7E;
    font-size: 1rem;
    line-height: 1.7;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

}
.ekho-logo {
    font-size: 2.5rem;
    font-weight: 800;
    color: #5DADE2;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.ekho-hero p {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}





/* Pill-style payment period toggle */
.payment-toggle-pill {
    background: #f1f3f6;
    border-radius: 2rem;
    padding: 0.4rem 1.2rem;
    position: relative;
    min-width: 220px;
    justify-content: center;
}
.toggle-label {
    font-size: 1.2rem;
    font-weight: 500;
    color: #888;
    cursor: pointer;
    transition: color 0.2s;
    margin: 0 0.7rem;
}
.toggle-label.active {
    color: #007bff;
    font-weight: 700;
}
.toggle-switch {
    width: 48px;
    height: 28px;
    background: #ddd;
    border-radius: 14px;
    position: relative;
    display: inline-block;
    margin: 0 0.7rem;
    cursor: pointer;
    transition: background 0.2s;
}
.toggle-switch::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    transition: left 0.2s;
}
#paymentPeriodSwitch:checked + .toggle-switch {
    background: #007bff;
}
#paymentPeriodSwitch:checked + .toggle-switch::after {
    left: 23px;
}
#paymentPeriodSwitch:checked ~ #annuallyLabel {
    color: #007bff;
    font-weight: 700;
}
#paymentPeriodSwitch:checked ~ #monthlyLabel {
    color: #888;
    font-weight: 500;
}
.payment-toggle-pill-nursery {
    background: #f1f3f6;
    border-radius: 2rem;
    padding: 0.4rem 1.2rem;
    position: relative;
    min-width: 220px;
    justify-content: center;
}
.toggle-label-nursery {
    font-size: 1.2rem;
    font-weight: 500;
    color: #888;
    cursor: pointer;
    transition: color 0.2s;
    margin: 0 0.7rem;
}
.toggle-label-nursery.active {
    color: #007bff;
    font-weight: 700;
}
.toggle-switch-nursery {
    width: 48px;
    height: 28px;
    background: #ddd;
    border-radius: 14px;
    position: relative;
    display: inline-block;
    margin: 0 0.7rem;
    cursor: pointer;
    transition: background 0.2s;
}
.toggle-switch-nursery::after {
    content: "";
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    transition: left 0.2s;
}
#paymentPeriodSwitchNursery:checked + .toggle-switch-nursery {
    background: #007bff;
}
#paymentPeriodSwitchNursery:checked + .toggle-switch-nursery::after {
    left: 23px;
}
#paymentPeriodSwitchNursery:checked ~ #annuallyLabelNursery {
    color: #007bff;
    font-weight: 700;
}
#paymentPeriodSwitchNursery:checked ~ #monthlyLabelNursery {
    color: #888;
    font-weight: 500;
}


.age-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.95);
    padding: 14px 22px;
    border-radius: 25px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.age-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
}

.age-blocks {
    display: flex;
    gap: 6px;
    align-items: center;
}

.age-block {
    width: 38px;
    height: 46px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    position: relative;
    transition: all 0.2s ease;
}

.age-block:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.age-block::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 8px;
    right: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 4px;
}

.age-block::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 12px;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
}

.age-block.red {
    background: linear-gradient(145deg, #e74c3c, #c0392b);
}
.age-block.orange {
    background: linear-gradient(145deg, #f39c12, #e67e22);
}
.age-block.green {
    background: linear-gradient(145deg, #27ae60, #229954);
}
.age-block.blue {
    background: linear-gradient(145deg, #3498db, #2980b9);
}

.age-text {
    font-size: 16px;
    font-weight: 800;
    color: #2c3e50;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

.separator {
    font-size: 20px;
    font-weight: bold;
    color: #7f8c8d;
    margin: 0 5px;
}

/* Variante alternativa */
.age-badge-alt {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 25px;
    border-radius: 30px;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.lowercase-only {
    text-transform: lowercase;
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    fill: white;
}

/* Tooltip del WhatsApp */
.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    white-space: nowrap;
    font-size: 0.85rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #333;
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
}


.cta-button-breathe {
    animation: breatheIntense 2s ease-in-out infinite;
    overflow: hidden;
}

/* Anillo de pulso exterior */
.cta-button-breathe::before {
    content: '';
    position: absolute;
    animation: pulseRing 2s ease-in-out infinite;
    opacity: 0;
}

/* Brillo interno */
.cta-button-breathe::after {
    content: '';
    position: absolute;

    background: linear-gradient(
            90deg,
            transparent,
            rgba(255, 255, 255, 0.6),
            transparent
    );
    animation: shimmerContinuous 2.5s linear infinite;
    z-index: 1;
}


/* Animación de respiración más intensa */
@keyframes breatheIntense {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(0, 200, 81, 0.4);
        filter: brightness(1);
    }
    25% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 200, 81, 0.6);
        filter: brightness(1.1);
    }
    50% {
        transform: scale(1.08);
        box-shadow: 0 20px 50px rgba(0, 200, 81, 0.8);
        filter: brightness(1.2);
    }
    75% {
        transform: scale(1.05);
        box-shadow: 0 15px 40px rgba(0, 200, 81, 0.6);
        filter: brightness(1.1);
    }
}



/* Anillo de pulso exterior */
@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* Shimmer continuo */
@keyframes shimmerContinuous {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}