/* ================= VARIABLES Y DISEÑO BASE v1.0 ================= */
:root {
    --bg-color: #0B0F19;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --accent-cyan: #00D0FF;
    --accent-purple: #7B2CBF;
    --accent-glow: rgba(0, 208, 255, 0.25);
    --gradient-primary: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
    --gradient-overlay: radial-gradient(circle at center, rgba(11, 15, 25, 0.4) 0%, rgba(11, 15, 25, 0.9) 100%);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-hover: rgba(0, 208, 255, 0.4);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50px;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Utilidad para animaciones al hacer scroll */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================= HEADER / NAVEGACIÓN ================= */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 16px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all 0.3s ease;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 42px;
    width: auto;
    border-radius: var(--radius-sm);
    object-fit: contain;
    filter: drop-shadow(0 0 8px rgba(0, 208, 255, 0.3));
    transition: transform 0.3s ease, filter 0.3s ease;
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(0, 208, 255, 0.6));
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    gap: 24px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-cyan);
}

.cta-header {
    background: var(--gradient-primary);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-header:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px var(--accent-glow);
}

/* ================= HERO SECTION CON VIDEO DE FONDO ================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 5% 60px 5%;
    overflow: hidden;
}

.hero-video-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.bg-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    will-change: transform;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge-hero {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(0, 208, 255, 0.12);
    border: 1px solid rgba(0, 208, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent-cyan);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.5rem);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
    background: linear-gradient(180deg, #FFFFFF 0%, #D1D5DB 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 700px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 36px;
    border-radius: var(--radius-full);
    font-size: 1.05rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 208, 255, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}
.btn-secondary:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background: rgba(0, 208, 255, 0.08);
}

/* ================= SECTION COMMON STYLES ================= */
.section-container {
    padding: 100px 5%;
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 650px;
    margin: 0 auto;
}

/* ================= FEATURES SECTION ================= */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 40px 32px;
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    transition: transform 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: var(--bg-card-hover);
    border-color: var(--glass-border-hover);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    font-size: 2.8rem;
    margin-bottom: 20px;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: var(--text-main);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ================= CATALOG SECTION & FILTERS ================= */
.catalog-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.catalog-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    backdrop-filter: blur(12px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.catalog-card:hover {
    transform: translateY(-10px);
    border-color: var(--glass-border-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 208, 255, 0.15);
}

.catalog-img-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: #111827;
}

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

.catalog-card:hover .catalog-img {
    transform: scale(1.08);
}

.catalog-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(11, 15, 25, 0.85);
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 208, 255, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.catalog-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.catalog-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-main);
}

.catalog-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.catalog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.catalog-spec {
    font-size: 0.85rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

.catalog-action-btn {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.catalog-card:hover .catalog-action-btn {
    color: var(--accent-cyan);
}

/* ================= LIGHTBOX MODAL ================= */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(11, 15, 25, 0.92);
    backdrop-filter: blur(16px);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    padding: 20px;
}

.modal.active {
    display: flex;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    max-width: 90%;
    max-height: 80vh;
    border-radius: var(--radius-md);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 208, 255, 0.2);
    border: 1px solid var(--glass-border);
    object-fit: contain;
}

.modal-caption {
    margin-top: 16px;
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.close-modal {
    position: absolute;
    top: 24px;
    right: 36px;
    color: var(--text-muted);
    font-size: 2.5rem;
    font-weight: 300;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close-modal:hover {
    color: var(--accent-cyan);
}

/* ================= FOOTER ================= */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 80px 5% 40px 5%;
    text-align: center;
    background: rgba(11, 15, 25, 0.6);
}

.footer-container {
    max-width: 900px;
    margin: 0 auto;
}

.footer-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.footer-sub {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    padding: 16px 28px;
    border-radius: var(--radius-full);
    color: var(--text-main);
    font-weight: 500;
    font-size: 1rem;
    backdrop-filter: blur(8px);
}

.footer-rights {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 40px;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 900px) {
    .nav-menu { display: none; }
    .header { padding: 14px 5%; }
    .logo-img { height: 36px; }
    .hero { padding-top: 100px; }
}

@media (max-width: 600px) {
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    .contact-info { flex-direction: column; gap: 12px; }
    .contact-card { width: 100%; text-align: center; }
}