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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c, #4facfe, #00f2fe);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    position: relative;
    overflow-x: hidden;
}

/* Animación del fondo */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Partículas flotantes */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.3) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) rotate(1deg);
    }
    66% {
        transform: translateY(30px) rotate(-1deg);
    }
}

/* Efecto de ondas */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    animation: wave 25s linear infinite;
    pointer-events: none;
    z-index: -1;
}

@keyframes wave {
    0% {
        transform: translateX(0) translateY(0);
    }
    100% {
        transform: translateX(-60px) translateY(-60px);
    }
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.logo i {
    font-size: 3rem;
}

.subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat span {
    font-weight: 500;
    text-align: center;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #2d3748;
}

/* Instructions Section */
.instructions {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0;
    position: relative;
    z-index: 1;
}

.instruction-card {
    background: rgba(247, 250, 252, 0.9);
    backdrop-filter: blur(5px);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    border-left: 5px solid #667eea;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
}

.instruction-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
}

.instruction-card:hover::before {
    left: 100%;
}

.instruction-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.instruction-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.instruction-header i {
    font-size: 2rem;
    color: #667eea;
}

.instruction-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
}

.instruction-content ul {
    list-style: none;
    padding-left: 0;
}

.instruction-content li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #4a5568;
}

.instruction-content li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #48bb78;
    font-weight: bold;
}

.table-preview {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    margin: 1rem 0;
    border: 1px solid #e2e8f0;
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 1rem;
    font-weight: 600;
    color: #2d3748;
    padding: 0.5rem 0;
    border-bottom: 2px solid #e2e8f0;
}

/* Tools Section */
.tools {
    padding: 5rem 0;
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

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

.tool-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(5px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tool-card:hover::before {
    opacity: 1;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.tool-card i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 1rem;
}

.tool-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.tool-card p {
    color: #718096;
    line-height: 1.5;
}

/* Email Instructions */
.submission {
    padding: 5rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 1;
}

.email-instructions {
    max-width: 500px;
    margin: 0 auto;
}

.instruction-box {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.instruction-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
}

.instruction-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.instruction-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #667eea;
    display: inline-block;
    transition: transform 0.3s ease;
}

.instruction-box:hover .instruction-icon {
    transform: scale(1.1);
}

.instruction-content h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #2d3748;
}

.instruction-content p {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: #718096;
    line-height: 1.5;
}

.email-address {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.5rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
    cursor: pointer;
    user-select: all;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.email-address:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

.email-address i {
    font-size: 1rem;
}

.instruction-note {
    font-size: 0.9rem;
    color: #4a5568;
    margin-top: 1.5rem;
    padding: 1rem;
    background: #f7fafc;
    border-radius: 12px;
    border-left: 4px solid #667eea;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

.instruction-note i {
    color: #667eea;
    margin-right: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .email-instructions {
        max-width: 400px;
    }
    
    .instruction-box {
        padding: 2rem 1.5rem;
    }
    
    .instruction-content h2 {
        font-size: 1.5rem;
    }
    
    .instruction-content p {
        font-size: 0.9rem;
    }
    
    .email-address {
        font-size: 1rem;
        padding: 0.8rem 1.5rem;
    }
    
    .instruction-note {
        font-size: 0.8rem;
        padding: 0.8rem;
    }
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.submission-form {
    background: rgba(247, 250, 252, 0.9);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.submission-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    pointer-events: none;
}

.form-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section h3 i {
    color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    font-weight: 500;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Team Members */
.team-member {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid #e2e8f0;
}

.add-member-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.add-member-btn:hover {
    background: #5a67d8;
}

/* File Upload */
.file-upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.file-upload-item {
    position: relative;
}

.file-upload-item input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.file-upload-item label {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem 1rem;
    border: 2px dashed #cbd5e0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    background: white;
}

.file-upload-item label:hover {
    border-color: #667eea;
    background: #f7fafc;
}

.file-upload-item label i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.file-upload-item label span {
    font-weight: 500;
    color: #2d3748;
    margin-bottom: 0.25rem;
}

.file-upload-item label small {
    color: #718096;
    font-size: 0.875rem;
}

/* Form Actions */
.form-actions {
    text-align: center;
    margin-top: 3rem;
}

.submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Footer */
.footer {
    background: rgba(45, 55, 72, 0.95);
    backdrop-filter: blur(10px);
    color: white;
    padding: 3rem 0 1rem;
    position: relative;
    z-index: 1;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.footer-section p {
    color: #a0aec0;
    line-height: 1.6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 20px;
    width: 95%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
    padding: 2rem;
    text-align: center;
    border-radius: 20px 20px 0 0;
}

.modal-header i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.modal-body {
    padding: 2rem;
    text-align: center;
}

.modal-body p {
    margin-bottom: 1rem;
    color: #4a5568;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    text-align: center;
}

.btn-primary {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background: #5a67d8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .file-upload-grid {
        grid-template-columns: 1fr;
    }
    
    .submission-form {
        padding: 2rem 1.5rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .logo i {
        font-size: 2.5rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .instruction-card {
        padding: 1.5rem;
    }
    
    .submission-form {
        padding: 1.5rem 1rem;
    }
}