/**
 * Sandosystems — sistema de diseño (logo)
 * Placa: ink + steel. Firma: arco rojo (swoosh).
 * SYSTEMS blue solo en el logo y un glow suave. Beak yellow en cifras.
 * Acciones: swoosh. No usar azul como botón.
 */
:root {
    --ink: #0b0d12;
    --plate: #10141c;
    --snow: #eef1f5;
    --paper: #f7f8fa;
    --steel: #c5cdd6;
    --steel-dim: #8b95a1;
    --systems: #1c3d8a;
    --systems-deep: #152c63;
    --swoosh: #e11d2e;
    --beak: #e8b923;
    --glow: #7eb6ff;
    --line: rgba(197, 205, 214, 0.18);

    --primary: var(--ink);
    --primary-dark: #05070b;
    --secondary: var(--steel);
    --gradient: linear-gradient(180deg, var(--plate) 0%, var(--ink) 100%);
    --gradient-gold: linear-gradient(180deg, #f0d36a 0%, var(--beak) 100%);
    --shadow-sm: 0 1px 0 var(--line);
    --shadow-md: 0 12px 40px rgba(11, 13, 18, 0.18);
    --shadow-lg: 0 24px 60px rgba(11, 13, 18, 0.28);

    --font-display: "Oxanium", "Segoe UI", sans-serif;
    --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
    --radius: 4px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body) !important;
    background: var(--snow) !important;
    color: #1c2430;
    overflow-x: hidden;
}

h1, h2, h3, h4, .section-title, .hero h1, .page-hero h1 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.02em;
    font-style: italic;
}

.hero-stat .number,
.product-price,
.course-price,
code, kbd, .sku {
    font-family: var(--font-mono);
    font-style: normal;
}

/* —— Nav: placa del logo —— */
nav.navbar.navbar-dark.fixed-top,
nav.navbar.fixed-top {
    background: rgba(11, 13, 18, 0.92) !important;
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--line);
    padding: 0.7rem 0 !important;
    z-index: 1030;
}
nav.navbar.navbar-scrolled {
    background: var(--ink) !important;
    padding: 0.4rem 0 !important;
    box-shadow: none !important;
}
nav.navbar .navbar-brand {
    color: var(--steel) !important;
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 800;
}
nav.navbar .navbar-logo {
    height: 58px !important;
    width: auto;
    filter: drop-shadow(0 0 12px rgba(126, 182, 255, 0.25));
}
nav.navbar .nav-link {
    color: var(--steel) !important;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-style: normal;
    padding: 0.45rem 0.55rem !important;
    margin: 0 !important;
    transform: none !important;
}
nav.navbar .nav-link::before {
    content: "";
    position: absolute;
    left: 0.55rem;
    right: 0.55rem;
    bottom: 0.15rem;
    height: 2px;
    width: auto !important;
    background: var(--swoosh) !important;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
    border-radius: 0 !important;
}
nav.navbar .nav-link:hover::before,
nav.navbar .nav-link.active::before {
    transform: scaleX(1);
    width: auto !important;
}
nav.navbar .nav-link:hover,
nav.navbar .nav-link.active {
    color: #fff !important;
    transform: none !important;
}
nav.navbar .navbar-toggler {
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

/* —— Hero (firma: arco rojo). Nunca background-image:none: borra el ink. —— */
section.hero,
.hero {
    min-height: 100vh;
    background-color: var(--ink) !important;
    background-image:
        radial-gradient(ellipse 80% 60% at 80% 20%, rgba(28, 61, 138, 0.22), transparent 55%),
        linear-gradient(180deg, #0b0d12 0%, #0a1224 55%, #10141c 100%) !important;
    background-size: auto !important;
    background-position: center !important;
    color: #fff;
    display: flex;
    align-items: center;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: "";
    position: absolute;
    left: -12%;
    top: 8%;
    width: min(52vw, 520px);
    height: min(70vh, 640px);
    border: 3px solid var(--swoosh);
    border-right-color: transparent;
    border-bottom-color: transparent;
    border-radius: 70% 0 55% 70%;
    transform: rotate(-18deg);
    pointer-events: none;
    opacity: 0.95;
    box-shadow: -8px 0 40px rgba(225, 29, 46, 0.25);
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 47px,
        rgba(197, 205, 214, 0.04) 47px,
        rgba(197, 205, 214, 0.04) 48px
    );
    pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero .lead {
    color: var(--steel) !important;
    font-size: 1.08rem;
}
.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.05;
    color: #fff;
    text-shadow: 0 0 24px rgba(126, 182, 255, 0.25);
}
.hero h1 .mark-steel {
    color: var(--steel);
    font-style: italic;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent !important;
    border: 1px solid var(--line) !important;
    border-radius: 0 !important;
    border-left: 3px solid var(--swoosh) !important;
    padding: 0.4rem 0.9rem !important;
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-style: normal;
    color: var(--steel);
}
.hero-stat .number {
    font-size: 1.85rem;
    font-weight: 500;
    color: var(--beak) !important;
}
.hero-stat .label {
    font-family: var(--font-display);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--steel-dim);
    font-style: normal;
}

.page-hero,
.course-detail-header {
    background: var(--ink) !important;
    padding: 120px 0 56px !important;
    color: #fff;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: "";
    position: absolute;
    left: -6%;
    top: 20%;
    width: 220px;
    height: 280px;
    border: 2px solid var(--swoosh);
    border-right: 0;
    border-bottom: 0;
    border-radius: 80% 0 0 40%;
    opacity: 0.85;
}
.page-hero h1,
.page-hero .breadcrumb,
.page-hero p { position: relative; z-index: 1; }

/* —— Botones: placa, no pastilla —— */
.btn-hero,
.btn-outline-hero,
.btn-course,
.btn-course-outline,
.btn-event,
.btn-event-outline,
.btn-home,
.btn-product,
.btn-service,
.btn-cta,
a.btn-hero,
.btn.btn-primary {
    border-radius: var(--radius) !important;
    font-family: var(--font-display);
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.85rem 1.35rem !important;
}
.btn-hero,
.btn-course,
.btn-event,
.btn-product,
.btn-service,
.btn-cta,
.btn.btn-primary {
    background: var(--swoosh) !important;
    color: #fff !important;
    border: 0 !important;
    box-shadow: none !important;
}
.btn-hero:hover,
.btn-course:hover,
.btn-event:hover,
.btn-product:hover,
.btn-service:hover,
.btn-cta:hover,
.btn.btn-primary:hover {
    background: #c41222 !important;
    color: #fff !important;
    transform: translateY(-2px);
}
.btn-hero[href*="wa.me"],
.btn-course[href*="wa.me"],
.btn-event[href*="wa.me"],
.btn-service[href*="wa.me"],
.btn-cta[href*="wa.me"] {
    background: #25d366 !important;
}
.btn-course-outline,
.btn-event-outline {
    background: transparent !important;
    border: 1px solid var(--ink) !important;
    color: var(--ink) !important;
}
.btn-course-outline:hover,
.btn-event-outline:hover {
    background: var(--ink) !important;
    color: #fff !important;
}
.btn-outline-hero {
    border: 1px solid var(--steel) !important;
    color: var(--steel) !important;
    background: transparent !important;
}
.btn-outline-hero:hover {
    background: #fff !important;
    color: var(--ink) !important;
    border-color: #fff !important;
}

.card-actions {
    display: flex !important;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.75rem !important;
    column-gap: 0.75rem !important;
    margin-top: auto !important;
    width: 100%;
}
.card-actions > a,
.card-actions > button,
.card-actions > .btn-add-to-cart {
    flex: 1 1 0 !important;
    text-align: center;
    min-width: 0;
    margin: 0 !important;
    padding: 0.65rem 0.55rem !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.04em !important;
}
.card-actions > span,
.product-info .card-actions > .product-price {
    flex: 0 0 auto;
}
.sidebar-card a {
    color: var(--ink) !important;
}
.sidebar-card a:hover {
    color: var(--swoosh) !important;
}
.sidebar-card .text-primary {
    color: var(--ink) !important;
    font-family: var(--font-mono);
}
.sidebar-card .d-grid,
.info-card .d-grid {
    gap: 0.7rem !important;
}

/* —— Títulos de sección —— */
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.35rem);
    color: var(--ink) !important;
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.1rem;
    font-style: italic;
}
.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.15em;
    bottom: 0.15em;
    width: 3px;
    background: var(--swoosh);
    border-radius: 0;
}
.section-title::after,
.text-start .section-title::after {
    display: none !important;
}
.section-subtitle {
    color: var(--steel-dim) !important;
    font-size: 1.02rem;
}

/* —— Cards —— */
.course-card,
.product-card,
.event-card,
.news-card,
.service-card,
.portfolio-card {
    display: flex !important;
    flex-direction: column !important;
    height: 100% !important;
    overflow: hidden;
    border-radius: var(--radius) !important;
    border: 1px solid rgba(16, 20, 28, 0.08);
    box-shadow: var(--shadow-sm) !important;
    background: var(--paper);
}
.course-info,
.product-info,
.event-info,
.news-content,
.service-info,
.portfolio-info {
    display: flex !important;
    flex-direction: column !important;
    flex: 1 1 auto !important;
    min-height: 0;
    padding: 1.15rem 1.15rem 1.05rem;
}
.service-card:hover,
.product-card:hover,
.course-card:hover,
.event-card:hover,
.news-card:hover,
.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md) !important;
    border-color: rgba(225, 29, 46, 0.28);
}
.product-image,
.course-image,
.event-image,
.news-image,
.portfolio-image,
.service-image {
    height: 200px !important;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
    background: var(--snow);
}
.product-image img,
.course-image img,
.event-image img,
.news-image img,
.portfolio-image img,
.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.product-title,
.course-title,
.event-title,
.news-title,
.portfolio-title,
.service-title {
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    line-clamp: 2;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    max-height: 2.5em !important;
    min-height: 2.5em;
    line-height: 1.25;
    margin-bottom: 0.45rem;
}
.product-description,
.course-description,
.event-description,
.news-summary,
.portfolio-description,
.service-info > p,
.product-info > p,
.course-info > p {
    display: -webkit-box !important;
    -webkit-line-clamp: 2 !important;
    line-clamp: 2;
    -webkit-box-orient: vertical !important;
    overflow: hidden !important;
    max-height: calc(1.45em * 2) !important;
    min-height: calc(1.45em * 2);
    margin-bottom: 0.75rem;
    line-height: 1.45;
}
.card-actions,
.product-info > .d-flex:last-child,
.course-info > .d-flex:last-child,
.event-info > .d-flex:last-child,
.news-meta,
.service-info > .mt-4,
.portfolio-info .portfolio-tech {
    margin-top: auto !important;
}
.portfolio-category {
    display: inline-block;
    background: var(--ink) !important;
    color: var(--steel) !important;
    border-radius: var(--radius) !important;
    padding: 0.2rem 0.55rem;
    font-size: 0.68rem;
    font-family: var(--font-display);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-style: normal;
    margin-bottom: 0.6rem;
}
.tech-badge {
    background: var(--snow) !important;
    color: var(--ink) !important;
    border-radius: var(--radius) !important;
    border: 1px solid rgba(16, 20, 28, 0.08);
}
.cta-actions {
    display: flex !important;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.85rem !important;
    margin-top: 1.5rem;
}
.cta-actions .btn-cta {
    flex: 0 1 auto !important;
    width: auto !important;
    color: #fff !important;
}
.service-icon {
    background: var(--ink) !important;
    border-radius: var(--radius) !important;
    border-bottom: 3px solid var(--swoosh);
}
.service-title,
.product-title,
.course-title {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--ink) !important;
}
.product-image .product-price,
.course-image .course-price {
    background: var(--ink) !important;
    color: var(--beak) !important;
    font-weight: 500;
    border-radius: var(--radius) !important;
    padding: 0.35rem 0.7rem !important;
    line-height: 1.2;
    display: inline-flex;
    align-items: center;
}
.product-info .product-price {
    background: transparent !important;
    color: var(--ink) !important;
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 500;
    font-style: normal;
    padding: 0 !important;
    line-height: 1;
    white-space: nowrap;
}
.product-info .card-actions {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 0.85rem;
    margin-top: auto;
}
.btn-add-to-cart {
    flex: 1 1 auto;
    width: auto !important;
    background: var(--swoosh) !important;
    color: #fff !important;
    border: 0 !important;
    border-radius: var(--radius) !important;
    font-family: var(--font-display);
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.85rem 1.15rem !important;
}
.course-badge,
.course-featured,
.event-date-badge {
    background: var(--ink) !important;
    color: var(--steel) !important;
    border-radius: var(--radius) !important;
    font-family: var(--font-display);
    font-style: normal;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.course-featured {
    border-left: 3px solid var(--beak);
    color: var(--beak) !important;
}
.course-title,
.filter-group label,
.course-meta i {
    color: var(--ink) !important;
}
.text-primary {
    color: var(--ink) !important;
}
footer .text-primary,
.hero .text-primary,
.page-hero .text-primary {
    color: var(--steel) !important;
}
.bg-primary {
    background-color: var(--ink) !important;
}
.badge.bg-primary {
    background: var(--ink) !important;
    border-radius: var(--radius) !important;
}
.sidebar-card,
.info-card {
    border-radius: var(--radius) !important;
    border: 1px solid rgba(16, 20, 28, 0.08);
    box-shadow: none !important;
}
.level-badge {
    border-radius: var(--radius) !important;
}

/* —— Footer —— */
footer#contacto,
footer {
    background: var(--ink) !important;
    color: var(--steel) !important;
    padding: 3.2rem 0 1.2rem !important;
    margin-top: 0 !important;
    border-top: 3px solid var(--swoosh);
}
footer h5 {
    font-family: var(--font-display);
    font-style: italic;
    color: #fff !important;
    letter-spacing: 0.04em;
}
.footer-links a {
    color: var(--steel-dim) !important;
    font-size: 0.92rem;
}
.footer-links a:hover {
    color: #fff !important;
    transform: none !important;
}
.social-icon {
    border-radius: var(--radius) !important;
    background: transparent !important;
    border: 1px solid var(--line);
    color: var(--steel) !important;
}
.social-icon:hover {
    background: var(--swoosh) !important;
    border-color: var(--swoosh);
    color: #fff !important;
}

.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 52px;
    height: 52px;
    background: #25d366 !important;
    border-radius: var(--radius) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff !important;
    font-size: 1.7rem;
    z-index: 1000;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.whatsapp-float:hover { color: #fff !important; }
.scroll-top {
    position: fixed;
    bottom: 28px;
    right: 92px;
    width: 44px;
    height: 44px;
    background: var(--ink) !important;
    border-radius: var(--radius) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
}
.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

/* Formularios públicos */
.form-control, .form-select {
    border-radius: var(--radius) !important;
    border-color: #d5dbe3;
    font-family: var(--font-body);
}
.form-control:focus, .form-select:focus {
    border-color: var(--swoosh);
    box-shadow: 0 0 0 3px rgba(225, 29, 46, 0.22);
}
.btn.btn-primary {
    background: var(--swoosh) !important;
    border-color: var(--swoosh) !important;
    border-radius: var(--radius) !important;
    color: #fff !important;
}
.input-group .btn.btn-primary {
    padding: 0.55rem 0.95rem !important;
}

/* Pago */
body:has(.success-card),
body:has(.success-icon) {
    background: var(--ink) !important;
}
.success-card {
    border-radius: var(--radius) !important;
    border-top: 3px solid var(--swoosh);
}
.btn-home {
    background: var(--swoosh) !important;
    border-radius: var(--radius) !important;
}

:focus-visible {
    outline: 2px solid var(--glow);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 991px) {
    .hero::before { opacity: 0.45; width: 70vw; }
    nav.navbar .nav-link { letter-spacing: 0.06em; }
}