/* =========================================================================
   MAX DEV PRO — Hoja de estilos global
   Basada en el diseño original, ampliada para una plataforma multi-página.
   ========================================================================= */

:root {
    --bg-primary: #f8fafc;
    --bg-surface: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-soft: rgba(37, 99, 235, 0.1);
    --pink-brand: #ec4899;
    --pink-hover: #db2777;
    --border: #e2e8f0;
    --shadow: rgba(0, 0, 0, 0.05);
    --modal-overlay: rgba(0, 0, 0, 0.5);
    --success: #16a34a;
    --error: #dc2626;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-surface: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-soft: rgba(59, 130, 246, 0.15);
    --border: #334155;
    --shadow: rgba(0, 0, 0, 0.3);
    --modal-overlay: rgba(0, 0, 0, 0.7);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------------
   HEADER & NAVEGACIÓN
   --------------------------------------------------------------------- */
header {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition);
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    position: relative;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
    user-select: none;
    white-space: nowrap;
    transition: opacity 0.2s ease;
}

.logo:hover { opacity: 0.9; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-links a {
    padding: 0.55rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover { color: var(--accent); background-color: var(--accent-soft); }
.nav-links a.active { color: var(--accent); background-color: var(--accent-soft); }

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.5rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.search-wrapper { display: flex; align-items: center; position: relative; }

.search-input-container {
    width: 0;
    overflow: hidden;
    transition: var(--transition);
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
}

.search-input-container.active { width: 240px; margin-right: 0.5rem; }

.search-input-container input {
    width: 100%;
    padding: 0.6rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
}

.search-input-container input:focus { border-color: var(--accent); }

.icon-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0.6rem;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover, .icon-btn.active { background-color: var(--bg-primary); color: var(--accent); }

@media (max-width: 900px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--bg-surface);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: 0.5rem 1.5rem 1rem 1.5rem;
        display: none;
        gap: 0.25rem;
    }
    .nav-links.active { display: flex; }
    .nav-links a { padding: 0.75rem 1rem; }
    .mobile-toggle { display: flex; }
}

/* ---------------------------------------------------------------------
   HERO
   --------------------------------------------------------------------- */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem 2rem 2rem;
    text-align: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--accent-soft);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    margin-bottom: 1.25rem;
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.hero p.lead {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2rem auto;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.video-container {
    max-width: 750px;
    margin: 0 auto 2.5rem auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border);
    position: relative;
    background-color: #000;
    aspect-ratio: 16 / 9;
}

.video-container iframe { width: 100%; height: 100%; border: none; }

.audio-unmute-btn {
    position: absolute;
    bottom: 1.5rem;
    right: 1.5rem;
    background-color: var(--pink-brand);
    color: #fff;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(236, 72, 153, 0.4);
    transition: var(--transition);
    z-index: 10;
    animation: pulsePink 2s infinite;
}

.audio-unmute-btn:hover { background-color: var(--pink-hover); transform: scale(1.05); }

@keyframes pulsePink {
    0% { box-shadow: 0 0 0 0 rgba(236, 72, 153, 0.7); }
    70% { box-shadow: 0 0 0 12px rgba(236, 72, 153, 0); }
    100% { box-shadow: 0 0 0 0 rgba(236, 72, 153, 0); }
}

/* ---------------------------------------------------------------------
   ESTADÍSTICAS
   --------------------------------------------------------------------- */
.stats-section {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem 1.5rem;
    text-align: center;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
    margin-bottom: 0.35rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ---------------------------------------------------------------------
   SECCIONES GENERALES / TÍTULOS
   --------------------------------------------------------------------- */
.section-heading {
    max-width: 1200px;
    margin: 0 auto 2rem auto;
    padding: 0 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.section-heading h2 {
    font-size: 1.9rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-heading p {
    color: var(--text-secondary);
    max-width: 500px;
}

.section-link {
    color: var(--accent);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.section-link:hover { color: var(--accent-hover); }

/* ---------------------------------------------------------------------
   FILTROS DE CATEGORÍA (página de proyectos)
   --------------------------------------------------------------------- */
.category-filters {
    max-width: 1200px;
    margin: 0 auto 2rem auto;
    padding: 0 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.category-chip {
    border: 1px solid var(--border);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    padding: 0.55rem 1.1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.category-chip:hover { border-color: var(--accent); color: var(--accent); }

.category-chip.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ---------------------------------------------------------------------
   GRID DE PROYECTOS / TARJETAS
   --------------------------------------------------------------------- */
.services-grid {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    flex: 1;
}

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px var(--shadow);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover { transform: translateY(-5px); box-shadow: 0 12px 24px -5px var(--shadow); }

.card-image-wrapper {
    position: relative;
    height: 200px;
    overflow: hidden;
    background-color: #0f172a;
}

.card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image-wrapper img { transform: scale(1.06); }

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--accent);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
}

.card-featured {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--pink-brand);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.card-featured i { width: 16px; height: 16px; }

.card-content { padding: 1.75rem; display: flex; flex-direction: column; flex: 1; }

.card-category {
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 0.5rem;
}

.card-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 0.6rem; }

.card-description {
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
}

.card-btn {
    background-color: var(--accent);
    color: #fff;
    border: none;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

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

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
    display: none;
}

/* ---------------------------------------------------------------------
   PÁGINA DE DETALLE DE PROYECTO
   --------------------------------------------------------------------- */
.breadcrumbs {
    max-width: 1000px;
    margin: 1.5rem auto 0 auto;
    padding: 0 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.breadcrumbs a:hover { color: var(--accent); }

.project-detail {
    max-width: 1000px;
    margin: 2rem auto 4rem auto;
    padding: 0 2rem;
}

.project-hero-image {
    width: 100%;
    height: 320px;
    object-fit: cover;
    border-radius: 20px;
    border: 1px solid var(--border);
    margin-bottom: 2rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.project-header h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 0.5rem; }

.project-meta { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.project-body {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.85rem;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 0.9rem 1.1rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
}

.feature-item i { color: var(--accent); flex-shrink: 0; }

.related-projects h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 1.25rem; }

/* ---------------------------------------------------------------------
   BOTONES GENERALES
   --------------------------------------------------------------------- */
.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-primary {
    background-color: var(--accent);
    border: none;
    color: #fff;
    padding: 0.75rem 1.4rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

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

/* ---------------------------------------------------------------------
   PÁGINAS DE CONTENIDO (sobre, privacidad, términos)
   --------------------------------------------------------------------- */
.content-page {
    max-width: 850px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem 2rem;
}

.content-page h1 {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.content-page h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem 0;
}

.content-page p, .content-page li {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1.05rem;
    margin-bottom: 0.75rem;
}

.content-page ul { padding-left: 1.25rem; }
.content-page li { list-style: disc; }

.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0 2.5rem 0;
}

.value-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
}

.value-card i { color: var(--accent); margin-bottom: 0.75rem; }
.value-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.value-card p { font-size: 0.92rem; margin: 0; }

/* ---------------------------------------------------------------------
   FORMULARIO DE CONTACTO
   --------------------------------------------------------------------- */
.contact-wrapper {
    max-width: 950px;
    margin: 0 auto;
    padding: 3rem 2rem 4rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 2.5rem;
}

@media (max-width: 800px) {
    .contact-wrapper { grid-template-columns: 1fr; }
}

.contact-info h1 { font-size: 2rem; font-weight: 800; margin-bottom: 0.75rem; }
.contact-info p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.75rem; }

.contact-channel {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 0;
    border-top: 1px solid var(--border);
    font-weight: 600;
}

.contact-channel i { color: var(--accent); }

.contact-form {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2rem;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.98rem;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

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

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 0.35rem;
    display: block;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 10px;
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.alert-success { background-color: rgba(22, 163, 74, 0.1); color: var(--success); }
.alert-error { background-color: rgba(220, 38, 38, 0.1); color: var(--error); }

/* Honeypot anti-spam: oculto para humanos, visible para bots */
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* ---------------------------------------------------------------------
   PÁGINA 404
   --------------------------------------------------------------------- */
.not-found {
    max-width: 600px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
    flex: 1;
}

.not-found .code {
    font-size: 5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.not-found h1 { font-size: 1.6rem; margin: 1rem 0 0.5rem 0; }
.not-found p { color: var(--text-secondary); margin-bottom: 1.75rem; }

/* ---------------------------------------------------------------------
   BOTÓN FLOTANTE SUBIR ARRIBA
   --------------------------------------------------------------------- */
.scroll-top-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--accent);
    color: #fff;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
}

.scroll-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn:hover { background-color: var(--accent-hover); transform: translateY(-3px); }

/* ---------------------------------------------------------------------
   MODAL
   --------------------------------------------------------------------- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-color: var(--modal-overlay);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: 1.5rem;
    backdrop-filter: blur(4px);
}

.modal-overlay.active { display: flex; }

.modal {
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    max-width: 650px;
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    animation: modalScale 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalScale {
    from { transform: scale(0.95); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-wrapper { display: flex; align-items: center; gap: 0.75rem; }
.modal-title { font-size: 1.5rem; font-weight: 700; }

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 6px;
}

.modal-body {
    padding: 2rem;
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--text-secondary);
    max-height: 55vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* ---------------------------------------------------------------------
   FOOTER
   --------------------------------------------------------------------- */
footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 3.5rem 2rem 1.5rem 2rem;
    margin-top: auto;
    transition: var(--transition);
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

@media (max-width: 800px) {
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .footer-top { grid-template-columns: 1fr; }
}

.footer-brand p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; margin-top: 0.75rem; }

.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 1rem; color: var(--text-primary); }
.footer-col a { display: block; color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 0.65rem; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); }

.footer-divider { width: 100%; height: 1px; background-color: var(--border); margin-bottom: 1.5rem; }

.footer-bottom { color: var(--text-secondary); font-size: 0.9rem; text-align: center; }

.made-with-love {
    color: var(--pink-brand);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
}

.made-with-love i { width: 16px; height: 16px; }

/* ---------------------------------------------------------------------
   RESPONSIVE GENERAL
   --------------------------------------------------------------------- */
@media (max-width: 600px) {
    .hero h1 { font-size: 2.1rem; }
    .navbar { padding: 1rem; }
    .section-heading h2 { font-size: 1.5rem; }
}