/*
 * Hoja de estilos para el sitio TLW Freight México
 * Se basa en los bocetos proporcionados, pero se optimiza para usabilidad,
 * accesibilidad y mantenimiento. Se utiliza una paleta de colores
 * consistente y tipografía legible.
 */

:root {
    --color-primary: #D32F2F;
    --color-bg: #050505;
    --color-card: rgba(255, 255, 255, 0.03);
    --color-text: #FFFFFF;
    --font-header: 'Archivo Black', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

/* Reset global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--color-card);
}
.logo {
    font-family: var(--font-header);
    font-size: 1.8rem;
    letter-spacing: -1px;
}
.accent {
    color: var(--color-primary);
}
.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 900;
}
.nav-menu a {
    text-decoration: none;
    color: var(--color-text);
    opacity: 0.6;
    transition: var(--transition);
}
.nav-menu a:hover {
    opacity: 1;
    color: var(--color-primary);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    position: relative;
}
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1519003722824-194d4455a60c?q=80&w=1600') center/cover;
    opacity: 0.2;
    filter: grayscale(1);
    z-index: 0;
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}
.label {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    text-transform: uppercase;
}
.hero-title {
    font-family: var(--font-header);
    font-size: 4rem;
    line-height: 0.9;
    margin-bottom: 1rem;
}
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
}

/* Secciones genéricas */
.section {
    padding: 100px 5% 80px;
    border-bottom: 1px solid #111;
}
.section-title {
    font-family: var(--font-header);
    font-size: 3rem;
    margin-bottom: 2rem;
    line-height: 1;
    text-transform: uppercase;
}
@media (max-width: 768px) {
    .section-title { font-size: 2rem; }
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.experience-badge {
    font-family: var(--font-header);
    font-size: 8rem;
    color: var(--color-primary);
    position: relative;
    line-height: 1;
}
.experience-badge .years {
    font-size: 1.25rem;
    color: var(--color-text);
    position: absolute;
    bottom: 10px;
    left: 0;
}
.about-text p {
    margin-bottom: 1rem;
    opacity: 0.8;
}
@media (max-width: 768px) {
    .about-grid { grid-template-columns: 1fr; }
    .experience-badge { font-size: 6rem; }
}

/* Focus */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.focus-card {
    background: var(--color-card);
    border: 1px solid #222;
    padding: 2rem;
    transition: var(--transition);
}
.focus-card:hover {
    border-color: var(--color-primary);
    background: #0a0a0a;
}
.focus-card h3 {
    font-family: var(--font-header);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}
.focus-card p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Servicios */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}
.services-grid ul {
    list-style: none;
    line-height: 1.8;
    font-size: 0.9rem;
}
.services-grid li {
    position: relative;
    padding-left: 1.5rem;
}
.services-grid li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}
.coverage {
    margin-top: 2rem;
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Flota */
.fleet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}
.fleet-card {
    background: var(--color-card);
    border: 1px solid #222;
    padding: 2rem;
    transition: var(--transition);
}
.fleet-card:hover {
    background: #0a0a0a;
    border-color: var(--color-primary);
}
.fleet-card h4 {
    font-family: var(--font-header);
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}
.fleet-card ul {
    list-style: none;
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.6;
}

/* Certificaciones */
.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.cert-card {
    background: var(--color-card);
    border: 1px solid #222;
    padding: 2rem;
    transition: var(--transition);
}
.cert-card:hover {
    border-color: var(--color-primary);
    background: #0a0a0a;
}
.cert-card h3 {
    font-family: var(--font-header);
    color: var(--color-primary);
    margin-bottom: 1rem;
}
.cert-card p {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Equipo */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    text-align: center;
}
.team-tag {
    background: var(--color-card);
    border: 1px solid #222;
    padding: 1rem;
    font-size: 0.7rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    cursor: default;
}
.team-tag:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* Ubicaciones */
.locations-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}
.location-details h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-header);
    color: var(--color-primary);
}
.location-details p {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
}
.map-container {
    border: 1px solid var(--color-primary);
}
.map-frame {
    width: 100%;
    height: 300px;
    border: none;
    filter: grayscale(1) invert(1);
}
@media (max-width: 768px) {
    .locations-grid { grid-template-columns: 1fr; }
}

/* Footer */
.footer {
    padding: 3rem 5%;
    text-align: center;
    background: #000;
    border-top: 3px solid var(--color-primary);
}
.footer p {
    font-size: 0.75rem;
    opacity: 0.5;
    margin-top: 0.5rem;
}