:root {
    --color-azul: #154587;
    --color-verde: #5CA785;
    --color-violeta: #96438D;
    --color-naranja: #EA9632;
    --color-rojo: #E24922;
    --color-primary: #154587;
    --color-primary-dark: #0e3060;
    --color-secondary: #2d5a3d;
    --color-accent: #5CA785;
    --color-dark: #1a1a2e;
    --color-gray-900: #212529;
    --color-gray-700: #495057;
    --color-gray-500: #6c757d;
    --color-gray-300: #dee2e6;
    --color-gray-100: #f8f9fa;
    --color-white: #ffffff;
    --font-family: 'Barlow', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav-logo img {
    height: 45px;
    width: auto;
    object-fit: contain;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-gray-700);
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: 6px;
    position: relative;
    transition: color 0.3s ease, background-color 0.3s ease;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease, left 0.3s ease;
}

.nav-menu a:hover {
    color: var(--color-primary);
    background-color: rgba(21, 69, 135, 0.07);
}

.nav-menu a:hover::after {
    width: 60%;
    left: 20%;
}

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

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-gray-700);
    transition: var(--transition);
}

/* Hero Section - True Parallax */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    padding: 6rem 2rem 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: -20%;
    background: url('fondo01.avif') center/cover no-repeat;
    z-index: 0;
    will-change: transform;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(21, 69, 135, 0.75) 0%, rgba(45, 90, 61, 0.65) 50%, rgba(14, 48, 96, 0.75) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    will-change: transform;
}

.hero-logo {
    max-width: 250px;
    height: auto;
    margin-bottom: 2rem;
    filter: brightness(0) invert(1);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-white);
    color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-gray-100);
    transform: translateY(-2px);
}

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

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

/* Parallax Banners */
.parallax-banner {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.parallax-banner__bg {
    position: absolute;
    inset: -50%;
    will-change: transform;
}

.parallax-banner--1 .parallax-banner__bg {
    background:
        linear-gradient(135deg, rgba(21, 69, 135, 0.8) 0%, rgba(45, 90, 61, 0.7) 100%),
        url('fondo02.avif') center/cover no-repeat;
}

.parallax-banner--2 .parallax-banner__bg {
    background:
        linear-gradient(135deg, rgba(45, 90, 61, 0.75) 0%, rgba(92, 167, 133, 0.7) 50%, rgba(21, 69, 135, 0.75) 100%),
        url('fondo01.avif') center 30%/cover no-repeat;
}

.parallax-banner--3 .parallax-banner__bg {
    background:
        linear-gradient(135deg, rgba(21, 69, 135, 0.8) 0%, rgba(150, 67, 141, 0.65) 50%, rgba(21, 69, 135, 0.8) 100%),
        url('fondo02.avif') center 70%/cover no-repeat;
}

/* Services Preview */
.servicios-preview {
    padding: 5rem 0;
    background: var(--color-gray-100);
    position: relative;
    z-index: 1;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.preview-card {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.preview-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    color: var(--color-primary);
}

.preview-icon svg {
    width: 100%;
    height: 100%;
}

.preview-card h3 {
    color: var(--color-gray-900);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.preview-card p {
    color: var(--color-gray-500);
    font-size: 0.95rem;
}

/* Section Titles */
.section-title {
    text-align: center;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-gray-900);
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-primary);
    margin: 1rem auto 0;
    border-radius: 2px;
}

/* Profile Section */
.perfil {
    padding: 5rem 0;
    position: relative;
    z-index: 1;
    background: var(--color-white);
}

/* Tabs */
.perfil-tabs {
    max-width: 800px;
    margin: 0 auto;
}

.tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--color-gray-300);
    padding-bottom: 0;
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-500);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    font-family: inherit;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--color-primary);
}

.tab-btn.active {
    color: var(--color-primary);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tabs-content {
    background: var(--color-gray-100);
    padding: 2.5rem;
    border-radius: 12px;
    min-height: 250px;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-panel p {
    margin-bottom: 1rem;
    color: var(--color-gray-700);
}

.tab-panel ul {
    list-style: none;
}

.tab-panel li {
    padding: 0.75rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-gray-700);
}

.tab-panel li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.1rem;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Icon list (Quién soy) */
.icon-list li {
    padding-left: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.icon-list li::before {
    display: none;
}

.icon-list li i {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.95rem;
    color: var(--color-white);
    background: var(--color-accent);
    border-radius: 50%;
}

.tab-panel .sub-list {
    margin-top: 0.5rem;
    margin-left: 1rem;
}

.tab-panel .sub-list li {
    padding: 0.4rem 0;
    padding-left: 1.25rem;
}

.tab-panel .sub-list li::before {
    width: 5px;
    height: 5px;
    top: 0.85rem;
    background: var(--color-gray-500);
}

.icon-list .sub-list li {
    padding-left: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-list .sub-list li::before {
    display: none;
}

.icon-list .sub-list li i {
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    background: var(--color-gray-500);
}

/* Services Section */
.servicios {
    padding: 5rem 0;
    background: var(--color-gray-100);
    position: relative;
    z-index: 1;
}

.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.servicio-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.servicio-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
}

.servicio-card h3 {
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    font-size: 1.25rem;
}

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

.servicio-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-gray-700);
}

.servicio-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.9rem;
    width: 8px;
    height: 2px;
    background: var(--color-accent);
}

/* Clients Section */
.clientes {
    padding: 5rem 0;
    text-align: center;
    overflow: hidden;
    position: relative;
    z-index: 1;
    background: var(--color-white);
}

.clientes-text {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.clientes-referencias {
    color: var(--color-gray-500);
    font-style: italic;
    margin-top: 2rem;
}

/* Logo Carousel */
.logo-carousel {
    width: 100%;
    overflow: hidden;
    padding: 2rem 0;
    background: var(--color-gray-700);
    position: relative;
}

.logo-carousel::before,
.logo-carousel::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
    pointer-events: none;
}

.logo-carousel::before {
    left: 0;
    background: linear-gradient(to right, var(--color-gray-700), transparent);
}

.logo-carousel::after {
    right: 0;
    background: linear-gradient(to left, var(--color-gray-700), transparent);
}

.logo-track {
    display: flex;
    gap: 4rem;
    animation: scroll 25s linear infinite;
    width: max-content;
}

.logo-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.logo-item {
    flex-shrink: 0;
    width: 180px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.85;
    transition: var(--transition);
}

.logo-item:hover img {
    filter: grayscale(0%) brightness(1);
    opacity: 1;
}

/* Contact Section */
.contacto {
    padding: 5rem 0;
    background: var(--color-gray-100);
    position: relative;
    z-index: 1;
}

.contacto-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contacto-form {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.contacto-form .btn {
    width: 100%;
}

/* Honeypot – fuera del viewport, invisible */
.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
    height: 0;
    overflow: hidden;
}

/* CAPTCHA */
.captcha-pregunta {
    font-weight: 700;
    color: var(--color-primary);
}

.captcha-group input {
    max-width: 120px;
}

/* Mensajes de estado */
.form-status {
    min-height: 1.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    border-radius: 6px;
    padding: 0;
    transition: var(--transition);
}

.form-status--exito {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #6ee7b7;
    padding: 0.75rem 1rem;
}

.form-status--error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    padding: 0.75rem 1rem;
}

.contacto-info {
    padding: 2rem 0;
}

.contacto-info h3 {
    color: var(--color-gray-900);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contacto-info > p {
    color: var(--color-gray-600);
    margin-bottom: 2rem;
}

.contacto-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contacto-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.contacto-link:hover {
    color: var(--color-primary-dark);
}

.contacto-link i {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.contacto-logo {
    display: block;
    max-width: 180px;
    height: auto;
    margin-top: 2.5rem;
    opacity: 0.7;
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: 2rem 0;
    text-align: center;
    position: relative;
    z-index: 1;
}

/* Scroll Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.reveal-item:nth-child(1) { transition-delay: 0.1s; }
.reveal-item:nth-child(2) { transition-delay: 0.2s; }
.reveal-item:nth-child(3) { transition-delay: 0.3s; }
.reveal-item:nth-child(4) { transition-delay: 0.4s; }
.reveal-item:nth-child(5) { transition-delay: 0.5s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }

    .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, -7px);
    }

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

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

    .tabs-nav {
        flex-direction: column;
        border-bottom: none;
        gap: 0;
    }

    .tab-btn {
        width: 100%;
        text-align: left;
        padding: 1rem 1.25rem;
        border-left: 3px solid var(--color-gray-300);
        border-radius: 0;
    }

    .tab-btn::after {
        display: none;
    }

    .tab-btn.active {
        background: var(--color-gray-100);
        border-left-color: var(--color-primary);
    }

    .tabs-content {
        padding: 1.5rem;
    }

    .hero-logo {
        max-width: 200px;
    }

    .parallax-banner {
        height: 200px;
    }
}