/* ========================================
   GRUPO METAL - CSS Principal
   ======================================== */

/* ==================== Reset & Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #991200;
    --secondary-color: #680000;
    --accent-color: #d32f2f;
    --primary-light: #c41e1e;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f5f5f5;
    --white: #ffffff;
    --black: #000000;
    --border-color: #ddd;
    --shadow: 0 2px 4px rgba(0,0,0,0.1), 0 4px 8px rgba(0,0,0,0.1);
    --shadow-hover: 0 4px 8px rgba(0,0,0,0.15), 0 8px 16px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Roboto', 'Open Sans', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

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

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

ul {
    list-style: none;
}

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

/* ==================== Header ==================== */
.main-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

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

.header-contact span {
    margin-right: 20px;
}

.header-contact i {
    margin-right: 5px;
}

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

.language-switcher {
    display: flex;
    gap: 10px;
}

.language-switcher a {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    transition: var(--transition);
    opacity: 0.7;
}

.language-switcher a:hover,
.language-switcher a.active {
    opacity: 1;
    background: rgba(255,255,255,0.1);
}

.language-switcher img {
    width: 20px;
    height: 15px;
    display: inline-block;
}

.btn-login {
    background: var(--accent-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 4px;
    font-size: 13px;
    transition: var(--transition);
}

.btn-login:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(153, 18, 0, 0.3);
}

.header-main {
    padding: 15px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 1;
    max-width: 450px;
}

.logo img,
.logo-img {
    max-height: 70px !important;
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
    object-fit: contain !important;
    display: block !important;
}

/* ==================== Navigation ==================== */
.main-nav ul {
    display: flex;
    gap: 5px;
}

.main-nav a {
    display: block;
    padding: 10px 15px;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    border-radius: 4px;
}

.main-nav a:hover {
    color: var(--secondary-color);
    background: var(--bg-light);
}

.has-submenu {
    position: relative;
}

.has-submenu > a i {
    font-size: 10px;
    margin-left: 5px;
    transition: var(--transition);
}

.has-submenu:hover > a i {
    transform: rotate(180deg);
}

.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow);
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}

.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.submenu li {
    border-bottom: 1px solid var(--border-color);
}

.submenu li:last-child {
    border-bottom: none;
}

.submenu a {
    padding: 12px 20px;
    display: block;
}

.submenu a:hover {
    background: var(--bg-light);
    color: var(--secondary-color);
    padding-left: 25px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ==================== Main Content ==================== */
.main-content {
    min-height: calc(100vh - 400px);
}

/* ==================== Hero/Carousel ==================== */
.hero-section {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-item {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-caption {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--white);
    background: rgba(0,0,0,0.6);
    padding: 20px 40px;
    border-radius: 8px;
    max-width: 800px;
}

.carousel-caption h2 {
    font-size: 36px;
    margin-bottom: 10px;
}

.carousel-caption p {
    font-size: 18px;
}

.carousel-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.carousel-prev,
.carousel-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.5);
    color: var(--white);
    border: none;
    padding: 15px 20px;
    cursor: pointer;
    font-size: 24px;
    transition: var(--transition);
    border-radius: 4px;
}

.carousel-prev:hover,
.carousel-next:hover {
    background: rgba(0,0,0,0.8);
}

.carousel-prev {
    left: 20px;
}

.carousel-next {
    right: 20px;
}

/* ==================== Sections ==================== */
.section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-title p {
    font-size: 18px;
    color: var(--text-light);
}

.section-light {
    background: var(--bg-light);
}

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

.card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.card-image {
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-image img {
    transform: scale(1.1);
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 22px;
}

.card-content p {
    color: var(--text-light);
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 4px;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-outline {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

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

/* ==================== Footer ==================== */
.main-footer {
    background: var(--primary-color);
    color: var(--white);
    margin-top: 60px;
}

.footer-top {
    padding: 50px 0;
}

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

.footer-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column p {
    margin-bottom: 15px;
    line-height: 1.8;
}

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

.footer-column a {
    color: rgba(255,255,255,0.8);
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--white);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.contact-info i {
    color: var(--accent-color);
    margin-top: 3px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 20px;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 16px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

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

/* ==================== Scroll to Top ==================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

/* ==================== Utilities ==================== */
.text-center {
    text-align: center;
}

.mt-30 {
    margin-top: 30px;
}

.mb-30 {
    margin-bottom: 30px;
}

.py-60 {
    padding-top: 60px;
    padding-bottom: 60px;
}