:root {
    --primary: #1a3a5c;
    --primary-dark: #0f2440;
    --accent: #2d8f4e;
    --accent-hover: #246f3e;
    --accent-light: #e8f5ec;
    --white: #ffffff;
    --gray-50: #f8fafb;
    --gray-100: #f1f4f7;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e0;
    --gray-500: #64748b;
    --gray-700: #334155;
    --gray-900: #1e293b;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--gray-700);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.nav-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo img {
    height: 45px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-link.active {
    font-weight: 600;
    border-bottom: 2px solid var(--accent);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 143, 78, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 24px;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============ HERO ============ */
.hero {
    position: relative;
    height: 520px;
    margin-top: 70px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, rgba(15, 36, 64, 0.92) 0%, rgba(15, 36, 64, 0.7) 60%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}

.hero-content h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-content p {
    color: rgba(255,255,255,0.85);
    font-size: 1rem;
    max-width: 500px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    background: var(--accent);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 143, 78, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    background: var(--white);
    color: var(--primary);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    border: 2px solid var(--white);
}

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

/* ============ FEATURES BAR ============ */
.features-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    padding: 2rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 10px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.2rem;
}

.feature-text h4 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.15rem;
}

.feature-text p {
    font-size: 0.78rem;
    color: var(--gray-500);
}

/* ============ SERVICIOS ============ */
.servicios-section {
    padding: 5rem 0;
    background: var(--white);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-500);
    font-size: 1rem;
    margin-top: -1rem;
    margin-bottom: 3rem;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.servicio-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 1.8rem 1.5rem;
    transition: var(--transition);
    text-align: center;
}

.servicio-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.servicio-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.3rem;
    margin: 0 auto 1.2rem;
}

.servicio-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.6rem;
}

.servicio-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ============ FLOTA CARRUSEL ============ */
.flota-section {
    padding: 5rem 0;
    background: var(--gray-50);
}

.flota-carousel {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.flota-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.flota-slide {
    min-width: 100%;
}

.flota-slide img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

.flota-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.95);
    color: var(--primary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    z-index: 10;
}

.flota-btn:hover {
    background: var(--accent);
    color: var(--white);
}

.flota-prev { left: 1.2rem; }
.flota-next { right: 1.2rem; }

.flota-dots {
    position: absolute;
    bottom: 1.2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.flota-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.flota-dot.active {
    background: var(--accent);
    transform: scale(1.3);
}

/* ============ WHATSAPP FLOTANTE ============ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
    animation: pulse-ws 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse-ws {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* ============ SEGURIDAD ============ */
.seguridad-section {
    padding: 5rem 0;
    background: var(--primary-dark);
    color: var(--white);
}

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

.seguridad-text h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.seguridad-text > p {
    font-size: 1rem;
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.seguridad-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.seguridad-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    font-weight: 500;
}

.seguridad-list li i {
    color: #4ade80;
    font-size: 1.1rem;
}

.seguridad-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.seguridad-img img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    display: block;
}

.section-title-center {
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
}

/* ============ PROCESO ============ */
.proceso {
    padding: 4rem 0;
    background: var(--gray-50);
}

.proceso-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.proceso-step {
    text-align: center;
    position: relative;
}

.paso-numero {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--white);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.paso-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--accent);
    font-size: 1.5rem;
    border: 2px solid var(--gray-200);
}

.proceso-step h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.4rem;
}

.proceso-step p {
    font-size: 0.82rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ============ COTIZACIÓN ============ */
.cotizacion {
    padding: 4rem 0;
    background: var(--white);
}

.cotizacion-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    transition: var(--transition);
    outline: none;
    background: var(--white);
    color: var(--gray-700);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(45, 143, 78, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.form-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 0.5rem;
}

.form-submit:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 143, 78, 0.3);
}

/* ============ FOOTER ============ */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 3.5rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
}

.footer-brand p {
    font-size: 0.85rem;
    opacity: 0.7;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-social {
    display: flex;
    gap: 0.6rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.85rem;
}

.footer-social a:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.footer-col h4 {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-col p {
    font-size: 0.82rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-col p i {
    color: var(--accent);
    width: 16px;
}

.footer-col a {
    display: block;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding: 1.2rem 0;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* ============ ANIMATIONS ============ */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .servicios-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .flota-slide img {
        height: 380px;
    }

    .seguridad-layout {
        gap: 2.5rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 0.5rem;
        transition: var(--transition);
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        z-index: 999;
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-cta {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero {
        height: 400px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .hero-overlay {
        width: 100%;
        background: linear-gradient(0deg, rgba(15,36,64,0.9) 0%, rgba(15,36,64,0.5) 100%);
    }

    .servicios-grid {
        grid-template-columns: 1fr 1fr;
    }

    .flota-slide img {
        height: 280px;
    }

    .seguridad-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .seguridad-img img {
        height: 250px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .proceso-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

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

}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .servicios-grid {
        grid-template-columns: 1fr;
    }

    .proceso-grid {
        grid-template-columns: 1fr;
    }

    .carousel-slide img {
        height: 200px;
    }

    .cotizacion-form {
        padding: 1.5rem;
    }
}