/*
 * Author: Pyrukent
 * assets/css/main.css
 * Proyecto TCP Tecnología y Construcción SA de CV
 * Versión: 2.0.0
 */

:root {
    --tcp-gold: #D4AF37;
    --tcp-gold-light: #E6C757;
    --tcp-gold-dark: #B8941F;
    --tcp-gray: #2C2C2C;
    --tcp-gray-light: #4A4A4A;
    --tcp-white: #FFFFFF;
    --tcp-bg: #F8F9FA;
    --tcp-shadow: rgba(212, 175, 55, 0.1);
    --tcp-shadow-dark: rgba(44, 44, 44, 0.1);
    --tcp-gradient: linear-gradient(135deg, var(--tcp-gold) 0%, var(--tcp-gold-light) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--tcp-gray);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--tcp-gray);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--tcp-gradient);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--tcp-gray-light);
    font-weight: 400;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--tcp-gradient);
    color: var(--tcp-white);
    box-shadow: 0 4px 15px var(--tcp-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
}

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

.btn-secondary:hover {
    background: var(--tcp-gold);
    color: var(--tcp-white);
    transform: translateY(-2px);
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--tcp-gray);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--tcp-gold);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--tcp-gold);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--tcp-gray);
    margin: 3px 0;
    transition: 0.3s;
}

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--tcp-bg) 0%, #E8E9EA 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23D4AF37" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 600px;
    margin-bottom: 4rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--tcp-gray);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--tcp-gold);
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--tcp-gray-light);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--tcp-white);
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--tcp-shadow-dark);
    transition: transform 0.3s ease;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--tcp-gold);
    margin-bottom: 0.5rem;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1rem;
    color: var(--tcp-gray-light);
    font-weight: 500;
}

.about {
    padding: 6rem 0;
    background: var(--tcp-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--tcp-gray-light);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.mission-vision {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.mv-item {
    padding: 2rem;
    background: var(--tcp-bg);
    border-radius: 15px;
    border-left: 4px solid var(--tcp-gold);
}

.mv-icon {
    width: 60px;
    height: 60px;
    background: var(--tcp-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.mv-icon i {
    font-size: 1.5rem;
    color: var(--tcp-white);
}

.mv-item h3 {
    font-size: 1.4rem;
    color: var(--tcp-gray);
    margin-bottom: 1rem;
}

.mv-item p {
    color: var(--tcp-gray-light);
    line-height: 1.6;
}

.values {
    text-align: center;
}

.values-title {
    font-size: 2rem;
    color: var(--tcp-gray);
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: var(--tcp-white);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--tcp-shadow-dark);
    transition: transform 0.3s ease;
}

.value-item:hover {
    transform: translateY(-3px);
}

.value-item i {
    font-size: 2rem;
    color: var(--tcp-gold);
    margin-bottom: 1rem;
}

.value-item span {
    font-weight: 600;
    color: var(--tcp-gray);
}

.services {
    padding: 6rem 0;
    background: var(--tcp-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--tcp-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--tcp-shadow-dark);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--tcp-gradient);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--tcp-gradient);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon i {
    font-size: 1.8rem;
    color: var(--tcp-white);
}

.service-card h3 {
    font-size: 1.4rem;
    color: var(--tcp-gray);
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--tcp-gray-light);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--tcp-gray-light);
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

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

.portfolio {
    padding: 6rem 0;
    background: var(--tcp-white);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 2px solid var(--tcp-gold);
    color: var(--tcp-gold);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--tcp-gold);
    color: var(--tcp-white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    background: var(--tcp-white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--tcp-shadow-dark);
    transition: all 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(212, 175, 55, 0.2);
}

.portfolio-image {
    height: 250px;
    background: var(--tcp-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    font-size: 1.3rem;
    color: var(--tcp-gray);
    margin-bottom: 0.5rem;
}

.portfolio-content p {
    color: var(--tcp-gray-light);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.portfolio-tech {
    display: inline-block;
    background: var(--tcp-gradient);
    color: var(--tcp-white);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.contact {
    padding: 6rem 0;
    background: var(--tcp-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--tcp-white);
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--tcp-shadow-dark);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--tcp-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--tcp-white);
}

.contact-details h4 {
    color: var(--tcp-gray);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-details p {
    color: var(--tcp-gray-light);
    line-height: 1.4;
}

.contact-form-wrapper {
    background: var(--tcp-white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--tcp-shadow-dark);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #E5E5E5;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--tcp-gold);
}

.btn-submit {
    align-self: flex-start;
    margin-top: 1rem;
}

.footer {
    background: var(--tcp-gray);
    color: var(--tcp-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--tcp-gold);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-logo {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #B0B0B0;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #B0B0B0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--tcp-gold);
}

.footer-section ul li i {
    color: var(--tcp-gold);
    margin-right: 0.5rem;
    width: 15px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--tcp-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tcp-white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--tcp-gold-light);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #444;
    color: #B0B0B0;
}