/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

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

/* Variables CSS para colores de Telsa */
:root {
    --telsa-navy: #1e3a8a;
    --telsa-navy-dark: #1e293b;
    --telsa-navy-light: #3b82f6;
    --telsa-accent: #06b6d4;
    --telsa-success: #28a745;
    --telsa-warning: #ffc107;
    --telsa-danger: #dc3545;
    --telsa-gray-50: #f8f9fa;
    --telsa-gray-100: #e9ecef;
    --telsa-gray-200: #dee2e6;
    --telsa-gray-300: #ced4da;
    --telsa-gray-400: #adb5bd;
    --telsa-gray-500: #6c757d;
    --telsa-gray-600: #495057;
    --telsa-gray-700: #343a40;
    --telsa-gray-800: #212529;
    --telsa-gray-900: #1a1a1a;
}

/* Header Profesional */
.header {
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 60px;
    width: auto;
}

.logo h1 {
    font-size: 1.6rem;
    font-weight: 600;
    margin: 0;
    color: #333;
}

.btn-back {
    background: var(--telsa-navy);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.3s ease;
    border: 1px solid var(--telsa-accent);
}

.btn-back:hover {
    background: var(--telsa-navy-light);
    border-color: var(--telsa-navy-light);
}

.btn-back i {
    margin-right: 6px;
}

/* Hero Section Profesional */
.hero {
    background: var(--telsa-navy);
    padding: 12rem 0 4rem 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    color: white;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h2 {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: white;
    font-weight: 600;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255,255,255,0.1);
    padding: 1.5rem 1rem;
    border: 1px solid rgba(255,255,255,0.2);
    transition: background-color 0.3s ease;
}

.feature:hover {
    background: rgba(255,255,255,0.15);
}

.feature i {
    font-size: 2rem;
    color: var(--telsa-accent);
    margin-bottom: 0.8rem;
}

.feature span {
    font-weight: 500;
    font-size: 0.9rem;
    color: white;
}

.hero-image {
    text-align: center;
}

.hero-image i {
    font-size: 8rem;
    color: rgba(255,255,255,0.3);
}

/* Botones Profesionales */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: 1px solid;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: var(--telsa-navy);
    color: white;
    border-color: var(--telsa-navy);
}

.btn-primary:hover {
    background: var(--telsa-navy-dark);
    border-color: var(--telsa-navy-dark);
}

.btn-submit {
    background: var(--telsa-success);
    color: white;
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    border-color: var(--telsa-success);
}

.btn-submit:hover {
    background: #218838;
    border-color: #218838;
}

/* Brands Section */
.brands-section {
    padding: 4rem 0;
    background: var(--telsa-gray-50);
    border-top: 1px solid var(--telsa-gray-200);
    border-bottom: 1px solid var(--telsa-gray-200);
}

.brands-section h2 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--telsa-navy);
    font-size: 2rem;
    font-weight: 600;
}

.brands-section h2 i {
    margin-right: 10px;
    color: var(--telsa-accent);
}

.brands-section p {
    text-align: center;
    color: var(--telsa-gray-600);
    font-size: 1rem;
    margin-bottom: 3rem;
}

.brands-carousel {
    overflow: hidden;
    position: relative;
    width: 100%;
    mask: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
    -webkit-mask: linear-gradient(to right, transparent, black 20%, black 80%, transparent);
}

.brands-track {
    display: flex;
    animation: scroll 25s linear infinite;
    gap: 1.5rem;
    align-items: center;
    will-change: transform;
}

.brands-track:hover {
    animation-play-state: paused;
}

.brand-item {
    flex: 0 0 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--telsa-gray-200);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 90px;
}

.brand-item:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    transform: translateY(-2px);
}

.brand-logo {
    max-width: 100%;
    max-height: 60px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.brand-item:hover .brand-logo {
    filter: grayscale(0%);
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* Animaciones para toasts */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Formulario Profesional */
.form-section {
    padding: 4rem 0;
    background: white;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border: 1px solid var(--telsa-gray-200);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-container h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--telsa-navy);
    font-size: 2rem;
    font-weight: 600;
    border-bottom: 2px solid var(--telsa-accent);
    padding-bottom: 1rem;
}

.form-container h2 i {
    margin-right: 10px;
    color: var(--telsa-accent);
}

.helpdesk-form {
    display: grid;
    gap: 1.5rem;
}

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

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

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--telsa-gray-700);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--telsa-gray-300);
    font-size: 1rem;
    font-family: inherit;
    background: white;
    transition: border-color 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--telsa-accent);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--telsa-gray-400);
}

.form-group small {
    margin-top: 0.5rem;
    color: var(--telsa-gray-500);
    font-size: 0.8rem;
}

/* Checkbox Profesional */
.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: var(--telsa-gray-50);
    border: 1px solid var(--telsa-gray-200);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 500;
    color: var(--telsa-gray-700);
    line-height: 1.5;
    gap: 0.8rem;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--telsa-accent);
    cursor: pointer;
}

/* Estados del formulario */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--telsa-danger);
    background: rgba(220, 53, 69, 0.05);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--telsa-success);
    background: rgba(40, 167, 69, 0.05);
}

.error-message {
    color: var(--telsa-danger);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

.success-message {
    color: var(--telsa-success);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* Contact Section Profesional */
.contact-section {
    padding: 4rem 0;
    background: var(--telsa-gray-100);
}

.contact-section h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--telsa-navy);
    font-size: 2rem;
    font-weight: 600;
}

.contact-section h2 i {
    margin-right: 10px;
    color: var(--telsa-accent);
}

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

.contact-item {
    background: white;
    padding: 2rem;
    border: 1px solid var(--telsa-gray-200);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.contact-item:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.contact-item i {
    font-size: 2rem;
    color: var(--telsa-accent);
    width: 50px;
    text-align: center;
}

.contact-item h3 {
    margin-bottom: 0.5rem;
    color: var(--telsa-navy);
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--telsa-gray-600);
    font-size: 1rem;
}

/* Footer Profesional */
.footer {
    background: var(--telsa-gray-800);
    color: var(--telsa-gray-300);
    text-align: center;
    padding: 2rem 0;
    border-top: 1px solid var(--telsa-gray-700);
}

.footer p {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Estilos para campos de URL alternativos */
.file-alternative {
    margin-top: 15px;
    padding: 15px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
}

.file-alternative p {
    margin: 0 0 10px 0;
    font-size: 14px;
    color: #6c757d;
}

.file-alternative input[type="url"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.file-alternative input[type="url"]:focus {
    outline: none;
    border-color: var(--telsa-navy);
    box-shadow: 0 0 0 2px rgba(30, 58, 138, 0.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .logo h1 {
        font-size: 1.4rem;
    }
    
    .hero {
        padding: 10rem 0 3rem 0;
        min-height: 50vh;
    }
    
    .hero-content h2 {
        font-size: 2.2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .hero-image i {
        font-size: 6rem;
    }
    
    .brands-section h2 {
        font-size: 1.8rem;
    }
    
    .brand-item {
        min-width: 140px;
        height: 75px;
        padding: 0.6rem 0.8rem;
    }
    
    .brand-logo {
        max-height: 45px;
    }
    
    .form-container {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .form-container h2 {
        font-size: 1.8rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-item {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .contact-item i {
        font-size: 1.8rem;
        width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 9rem 0 2rem 0;
        min-height: 45vh;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-image i {
        font-size: 4rem;
    }
    
    .brands-section h2 {
        font-size: 1.6rem;
    }
    
    .brand-item {
        min-width: 110px;
        height: 65px;
        padding: 0.5rem 0.6rem;
    }
    
    .brand-logo {
        max-height: 35px;
    }
    
    .form-container {
        padding: 1.5rem 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
    }
    
    .btn-submit {
        padding: 12px;
        font-size: 1rem;
    }
}

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

.form-container {
    animation: fadeInUp 0.6s ease-out;
}

/* Checkbox Moderno */
.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--telsa-gray-50);
    border-radius: 16px;
    border: 2px solid var(--telsa-gray-200);
    transition: all 0.3s ease;
}

.checkbox-group:hover {
    background: white;
    border-color: var(--telsa-accent);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 500;
    color: var(--telsa-gray-700);
    line-height: 1.5;
    gap: 1rem;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin: 0;
    accent-color: var(--telsa-accent);
    cursor: pointer;
}

/* Estados del formulario */
.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: var(--telsa-danger);
    background: rgba(239, 68, 68, 0.05);
}

.form-group.success input,
.form-group.success select,
.form-group.success textarea {
    border-color: var(--telsa-success);
    background: rgba(16, 185, 129, 0.05);
}

.error-message {
    color: var(--telsa-danger);
    font-size: 0.9rem;
    margin-top: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.error-message::before {
    content: '⚠';
    font-size: 1rem;
}

.success-message {
    color: var(--telsa-success);
    font-size: 0.9rem;
    margin-top: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.success-message::before {
    content: '✓';
    font-size: 1rem;
}