/* ==========================================================================
   Transportes Alhameña S.L. - Estilos CSS
   Paleta: Azules corporativos y grises
   ========================================================================== */

/* CSS Variables - Variables de color y tipografía */
:root {
    --color-primary: #1a5f7a;
    --color-primary-dark: #134b61;
    --color-secondary: #2d8bba;
    --color-accent: #57c5b6;
    --color-dark: #1a1a2e;
    --color-gray-dark: #333;
    --color-gray: #666;
    --color-gray-light: #999;
    --color-light: #f5f5f5;
    --color-white: #fff;
    --color-overlay: rgba(26, 95, 122, 0.85);
    
    --font-primary: 'Roboto', sans-serif;
    --font-heading: 'Roboto Slab', serif;
    
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 5px 20px rgba(0, 0, 0, 0.15);
}

/* Reset y Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-dark);
    background-color: var(--color-white);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-dark);
}

h1 { font-size: 1.8rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

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

a:hover { color: var(--color-secondary); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* ==========================================================================
   Header y Navegación
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
}

.truck-logo {
    width: 100%;
    height: 100%;
}

.logo-text h1 {
    font-size: 1.3rem;
    margin: 0;
    color: var(--color-primary);
}

.logo-text .subtitle {
    font-size: 0.75rem;
    color: var(--color-gray);
    display: block;
    margin-top: -3px;
}

/* Navegación */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-link {
    display: block;
    padding: 10px 18px;
    color: var(--color-gray-dark);
    font-weight: 500;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: 
        linear-gradient(135deg, rgba(26, 95, 122, 0.9) 0%, rgba(45, 139, 186, 0.85) 100%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="%231a5f7a" width="100" height="100"/><circle fill="%232d8bba" cx="20" cy="20" r="15" opacity="0.3"/><circle fill="%2357c5b6" cx="80" cy="80" r="20" opacity="0.2"/><rect fill="%23fff" x="30" y="60" width="40" height="30" opacity="0.1"/></svg>');
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    text-align: center;
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 20px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

/* ==========================================================================
   Secciones Generales
   ========================================================================== */

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    margin: 15px auto 0;
    border-radius: 2px;
}

.section-description {
    text-align: center;
    max-width: 700px;
    margin: -30px auto 40px;
    color: var(--color-gray);
}

/* ==========================================================================
   Servicios
   ========================================================================== */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    color: var(--color-primary);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--color-primary);
}

.service-features {
    list-style: none;
    margin-top: 20px;
    text-align: left;
}

.service-features li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: var(--color-gray);
}

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

/* ==========================================================================
   Materiales
   ========================================================================== */

.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.material-item {
    background-color: var(--color-white);
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.material-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.material-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.material-item h4 {
    margin-bottom: 10px;
    color: var(--color-primary);
}

.material-item p {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin: 0;
}

/* ==========================================================================
   Sobre Nosotros
   ========================================================================== */

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.about-text h3 {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.values {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.value-item {
    text-align: center;
}

.value-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    font-family: var(--font-heading);
}

.value-text {
    font-size: 0.9rem;
    color: var(--color-gray);
}

.about-location {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-location h4 {
    margin-bottom: 15px;
    color: var(--color-primary);
}

.map-placeholder {
    background-color: var(--color-light);
    padding: 30px;
    border-radius: 4px;
    text-align: center;
    margin-top: 20px;
}

.map-placeholder p {
    margin: 5px 0;
    color: var(--color-gray-dark);
}

/* ==========================================================================
   Contacto
   ========================================================================== */

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 40px;
    border-radius: 8px;
}

.contact-info h3 {
    color: var(--color-white);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item h4 {
    color: var(--color-white);
    margin-bottom: 5px;
    font-size: 1rem;
}

.contact-item p {
    margin: 3px 0;
    opacity: 0.9;
}

.contact-item a {
    color: var(--color-white);
    opacity: 0.9;
}

.contact-item a:hover {
    opacity: 1;
    text-decoration: underline;
}

/* Formulario */
.contact-form-container {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form-container h3 {
    margin-bottom: 25px;
    color: var(--color-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-gray-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

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

.btn-submit {
    width: 100%;
    padding: 15px;
}

.form-status {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    display: none;
}

.form-status.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
}

.form-status.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand h4 {
    color: var(--color-white);
    margin-bottom: 15px;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--color-white);
    margin-bottom: 15px;
}

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

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--color-white);
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 5px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    opacity: 0.6;
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 992px) {
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.75rem; }
    
    .header-content {
        padding: 10px 15px;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .nav-link {
        padding: 15px;
        text-align: center;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .values {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .material-item {
        padding: 20px 15px;
    }
    
    .contact-info,
    .contact-form-container {
        padding: 25px 20px;
    }
}

/* ==========================================================================
   Animaciones
   ========================================================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service-card,
.material-item {
    animation: fadeInUp 0.5s ease forwards;
}

/* Scroll suave para navegación */
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

/* Estilos para pantallas de impresión */
@media print {
    .header,
    .nav-toggle,
    .btn {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 20px 0;
        background: none;
        color: var(--color-dark);
    }
    
    .section {
        padding: 20px 0;
    }
}