/* VARIABLES GLOBALES */
:root {
    --blue-dark: #0a192f;
    --blue-navy: #1e3a8a;
    --blue-primary: #2563eb;
    --blue-accent: #38bdf8;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
}

/* HEADER & NAVEGACIÓN */
header {
    background-color: var(--blue-dark);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
}

.logo {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 40px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: block;
}

.logo i {
    color: var(--blue-accent);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-nav {
    background-color: var(--blue-primary);
    color: var(--white);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-nav:hover {
    background-color: var(--blue-accent);
    color: var(--blue-dark);
}

/* HERO / LANDING PAGE */
.hero {
    background: linear-gradient(135deg, rgba(10,25,47,0.92) 0%, rgba(30,58,138,0.85) 100%), 
                url('https://images.unsplash.com/photo-1581092335397-9583fe92d232?auto=format&fit=crop&w=1350&q=80') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem 2rem;
    color: var(--white);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-text span {
    color: var(--blue-accent);
}

.hero-text p {
    font-size: 1.1rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255,255,255,0.1);
    border: 1px solid var(--blue-accent);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--blue-accent);
}

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

.btn-primary {
    background-color: var(--blue-primary);
    color: var(--white);
    padding: 0.8rem 1.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 0.8rem 1.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

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

.hero-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-card h3 {
    color: var(--blue-accent);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.hero-card ul {
    list-style: none;
}

.hero-card ul li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-card ul li i {
    color: var(--blue-accent);
}

/* SECCIONES COMUNES */
section {
    padding: 5rem 2rem;
}

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

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

.section-header h2 {
    font-size: 2.2rem;
    color: var(--blue-dark);
    margin-bottom: 0.8rem;
}

.section-header p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* EQUIPO Y SERVICIOS */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.spec-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--blue-primary);
    transition: transform 0.3s;
}

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

.spec-icon {
    font-size: 2.5rem;
    color: var(--blue-primary);
    margin-bottom: 1.2rem;
}

.spec-card h3 {
    margin-bottom: 0.8rem;
    color: var(--blue-dark);
}

.spec-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* SOBRE NOSOTROS */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--blue-dark);
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--blue-accent);
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--blue-navy);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* FORMULARIO DE COTIZACIÓN */
.quote-section {
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue-navy) 100%);
    color: var(--white);
}

.quote-section .section-header h2 {
    color: var(--white);
}

.quote-section .section-header p {
    color: #94a3b8;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    color: var(--text-dark);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--blue-dark);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--blue-primary);
}

.btn-submit {
    grid-column: span 2;
    background-color: var(--blue-primary);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background-color: var(--blue-navy);
}

/* FOOTER */
footer {
    background-color: var(--blue-dark);
    color: #94a3b8;
    padding: 3rem 2rem 1.5rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-copyright {
    text-align: center;
    padding-top: 1.5rem;
    font-size: 0.85rem;
}

/* RESPONSIVO */
@media (max-width: 768px) {
    .hero-container, .about-content {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width, .btn-submit {
        grid-column: span 1;
    }
    nav ul {
        display: none;
    }
}