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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== COLORES CORPORATIVOS ===== */
:root {
    --principal: #1a1a1a;
    --secundario: #f5b400;
    --secundario-oscuro: #d89c00;
    --gris: #f8f9fa;
    --gris-medio: #e9ecef;
    --texto: #333;
    --texto-claro: #666;
    --blanco: #ffffff;
}

/* ===== TIPOGRAFÍA ===== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.8rem;
}

h2 {
    font-size: 2.2rem;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--secundario);
}

h3 {
    font-size: 1.5rem;
    color: var(--principal);
}

p {
    margin-bottom: 1.2rem;
    color: var(--texto-claro);
}

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

/* ===== HEADER ===== */
header {
    background: var(--principal);
    color: var(--blanco);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    
    gap: 10px;
}

.logo img{
    height: 3rem;
}

.logo h2 {
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--secundario);
}

.logo span {
    color: var(--blanco);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav ul li a {
    color: var(--blanco);
    font-weight: 600;
    padding: 5px 0;
    position: relative;
}

nav ul li a:hover {
    color: var(--secundario);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secundario);
    transition: width 0.3s ease;
}

nav ul li a:hover::after {
    width: 100%;
}

/* ===== HERO ===== */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../img/Metal-Craq.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--blanco);
    padding: 120px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--blanco);
    opacity: 0.9;
}

.btn {
    display: inline-block;
    background: var(--secundario);
    color: var(--principal);
    padding: 14px 32px;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn:hover {
    background: var(--secundario-oscuro);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* ===== SECCIONES ===== */
section {
    padding: 80px 0;
}

.bg-gris {
    background: var(--gris);
}

/* ===== NOSOTROS ===== */
.nosotros-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.nosotros-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.nosotros-valores {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.valor {
    text-align: center;
    padding: 20px;
    background: var(--blanco);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.valor:hover {
    transform: translateY(-5px);
}

.valor h4 {
    color: var(--secundario);
    margin-bottom: 10px;
}

/* ===== SERVICIOS ===== */
.servicios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.servicio {
    background: var(--blanco);
    padding: 35px 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border-top: 4px solid var(--secundario);
}

.servicio:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.servicio h3 {
    margin-bottom: 15px;
    color: var(--principal);
}

.servicio-icono {
    font-size: 2.5rem;
    color: var(--secundario);
    margin-bottom: 20px;
}

/* ===== GALERIA ===== */
.galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.galeria-item {
    height: 250px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.galeria-item img {
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galeria-item:hover img {
    transform: scale(1.05);
}

.galeria-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--blanco);
    padding: 20px;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.3s ease;
}

.galeria-overlay p {
    color: var(--blanco);
}

.galeria-item:hover .galeria-overlay {
    transform: translateY(0);
    opacity: 1;
}

/* ===== PROCESO ===== */
.proceso {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    text-align: center;
    position: relative;
}

.paso {
    background: var(--blanco);
    padding: 30px 20px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
    transition: all 0.3s ease;
}

.paso:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.paso-numero {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--secundario);
    color: var(--principal);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ===== CONTACTO ===== */
.contacto-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.info-contacto {
    background: var(--principal);
    color: var(--blanco);
    padding: 40px;
    border-radius: 8px;
}

.info-contacto h3 {
    color: var(--secundario);
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.info-icono {
    font-size: 1.5rem;
    color: var(--secundario);
    margin-right: 15px;
    width: 30px;
}

form {
    display: grid;
    gap: 20px;
}

input,
textarea,
select {
    padding: 15px;
    border: 1px solid var(--gris-medio);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secundario);
}

textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===== FOOTER ===== */
footer {
    background: var(--principal);
    color: var(--blanco);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: var(--secundario);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a:hover {
    color: var(--secundario);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media(max-width: 992px) {
    .nosotros-content, .contacto-container {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }
}

@media(max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .nosotros-valores {
        grid-template-columns: 1fr;
    }

    section {
        padding: 60px 0;
    }
}

@media(max-width: 480px) {
    .servicios, .proceso {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.6rem;
    }
}