/* ==========================================================================
   IMPULSO ACADÉMICO - Sistema de Gestión y Apoyo a la Investigación
   Diseño 100% Responsivo (Móvil 320px/400px, Tablet y Escritorio)
   Psicología del Color:
   - Azul Marino Profundo (#031126): Autoridad académica, rigor científico y confianza
   - Azul Eléctrico Real (#0074F0 / #3898FF): Inteligencia, claridad metodológica e impulso
   - Dorado Académico (#FBBF24 / #F59E0B): Excelencia, graduación, éxito y foco de atención
   - Verde Esmeralda (#10B981): Aprobación, viabilidad y cercanía (WhatsApp)
   ========================================================================== */

:root {
    --ia-midnight: #031126;
    --ia-navy: #061D42;
    --ia-card-bg: rgba(6, 22, 50, 0.88);
    --ia-card-hover: rgba(10, 36, 80, 0.94);
    --ia-blue: #0074F0;
    --ia-blue-hover: #005EC4;
    --ia-sky: #3898FF;
    --ia-sky-light: #93C5FD;
    --ia-gold: #FBBF24;
    --ia-gold-dark: #F59E0B;
    --ia-emerald: #10B981;
    --ia-white: #FFFFFF;
    --ia-text-muted: #CBD5E1;
    --ia-border: rgba(147, 197, 253, 0.24);
    --ia-border-bright: rgba(56, 152, 255, 0.55);
    --shadow-md: 0 14px 36px rgba(0, 5, 18, 0.50);
    --shadow-lg: 0 24px 60px rgba(0, 5, 18, 0.72);
    --shadow-glow: 0 8px 28px rgba(0, 116, 240, 0.42);
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-xl: 30px;
}

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

html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--ia-midnight);
    color: var(--ia-white);
    line-height: 1.65;
    min-height: 100vh;
    position: relative;
}

img, video, iframe {
    max-width: 100%;
}

/* Evitar que elementos dentro de CSS Grid o Flexbox (como <select> largos) desborden en pantallas móviles de 400px */
.hero-container > *,
.contact-layout > *,
.video-showcase-layout > *,
.services-grid > *,
.campaigns-grid > *,
.steps-grid > *,
.footer-grid > *,
.form-grid > *,
.form-group {
    min-width: 0;
    max-width: 100%;
}

select.form-control {
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

/* ==================== IMÁGENES DE FONDO EN MOVIMIENTO FLUIDO (ACELERADO POR GPU SIN LAG) ==================== */
.moving-bg-container {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    background: #020C1C;
    pointer-events: none;
    contain: strict;
}

.moving-bg-slide {
    position: absolute;
    inset: -6%;
    width: 112%;
    height: 112%;
    background-size: cover;
    background-position: center center;
    opacity: 0;
    transform: scale(1.02) translate3d(-2%, -1%, 0);
    transition: opacity 1.4s ease-in-out, transform 6.8s linear;
    backface-visibility: hidden;
}

.moving-bg-slide.active {
    opacity: 0.62;
    transform: scale(1.12) translate3d(3%, 2%, 0);
}

.moving-bg-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 18% 22%, rgba(0, 116, 240, 0.30) 0%, transparent 45%),
        radial-gradient(circle at 82% 78%, rgba(245, 158, 11, 0.16) 0%, transparent 45%),
        linear-gradient(180deg, rgba(2, 12, 28, 0.45) 0%, rgba(4, 20, 48, 0.54) 50%, rgba(2, 12, 28, 0.66) 100%);
}

.dynamic-bg-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.8;
    pointer-events: none;
}

/* ==================== BARRA SUPERIOR DE CAMPAÑA ACTIVA ==================== */
.campaign-topbar {
    background: linear-gradient(90deg, #031126 0%, #0058B8 50%, #031126 100%);
    background-size: 200% 200%;
    animation: gradientShift 7s ease infinite;
    color: var(--ia-white);
    padding: 9px 16px;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--ia-gold);
    position: relative;
    z-index: 1001;
}

.campaign-topbar-inner {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    text-align: center;
}

.campaign-pill {
    background: var(--ia-gold);
    color: #031126;
    font-weight: 900;
    font-size: 0.74rem;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.5px;
    animation: pulseBadge 2s infinite;
}

.campaign-code-badge {
    background: rgba(3, 17, 38, 0.75);
    border: 1px dashed var(--ia-gold);
    padding: 3px 10px;
    border-radius: 6px;
    font-family: monospace;
    font-weight: 800;
    color: var(--ia-gold);
}

.campaign-topbar-btn {
    background: var(--ia-white);
    color: var(--ia-midnight);
    text-decoration: none;
    font-weight: 800;
    font-size: 0.78rem;
    padding: 5px 14px;
    border-radius: 999px;
    white-space: nowrap;
}

/* ==================== NAVBAR EJECUTIVO Y RESPONSIVO ==================== */
.navbar {
    background: rgba(3, 17, 38, 0.90);
    /* backdrop-filter optimizado para 60fps */
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(147, 197, 253, 0.22);
    transition: all 0.3s ease;
    width: 100%;
}

.navbar.scrolled {
    background: rgba(3, 15, 34, 0.97);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.55);
}

.navbar-container {
    max-width: 1340px;
    margin: 0 auto;
    padding: 10px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none;
    min-width: 0;
}

.brand-logo-img-wrap {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--ia-sky);
    box-shadow: 0 0 16px rgba(0, 116, 240, 0.5);
    background: var(--ia-midnight);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.brand-logo:hover .brand-logo-img-wrap {
    transform: scale(1.06);
}

.brand-logo-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 900;
    letter-spacing: -0.3px;
    line-height: 1.1;
    color: var(--ia-white);
    white-space: nowrap;
}

.brand-title span {
    color: var(--ia-sky);
}

.brand-subtitle {
    font-size: 0.68rem;
    color: #93C5FD;
    font-weight: 600;
    margin-top: 2px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 4px;
    flex-wrap: nowrap;
}

.nav-links li {
    flex-shrink: 0;
}

.nav-links a {
    display: inline-block;
    white-space: nowrap;
    color: #E2E8F0;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.87rem;
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.22s ease;
}

.nav-links a:hover {
    color: var(--ia-white);
    background: rgba(56, 152, 255, 0.14);
}

.nav-links a.active {
    color: var(--ia-gold);
    background: rgba(0, 116, 240, 0.22);
    box-shadow: inset 0 -2px 0 var(--ia-gold);
}

.nav-mobile-actions {
    display: none;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 0.86rem;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
}

.btn-nav-panel {
    background: rgba(255, 255, 255, 0.08);
    color: #E2E8F0;
    border: 1px solid rgba(147, 197, 253, 0.35);
    padding: 9px 14px;
    font-size: 0.82rem;
    border-radius: 10px;
}

.btn-nav-panel:hover {
    background: rgba(56, 152, 255, 0.2);
    color: #fff;
    border-color: var(--ia-sky);
}

.btn-nav-cta {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #031126 !important;
    padding: 9px 16px;
    font-size: 0.83rem;
    font-weight: 900;
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.38);
}

.btn-nav-cta:hover {
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
    transform: translateY(-1px);
    box-shadow: 0 8px 22px rgba(245, 158, 11, 0.55);
}

.btn-primary {
    background: linear-gradient(135deg, var(--ia-blue) 0%, #0055B8 100%);
    color: var(--ia-white);
    border: 1px solid rgba(147, 197, 253, 0.35);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1D86F7 0%, var(--ia-blue) 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 116, 240, 0.58);
}

.btn-outline-light {
    background: rgba(7, 26, 58, 0.65);
    color: var(--ia-white);
    border: 1.5px solid var(--ia-border-bright);
}

.btn-outline-light:hover {
    background: rgba(0, 116, 240, 0.28);
    border-color: var(--ia-sky);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.35);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(16, 185, 129, 0.52);
}

.mobile-menu-btn {
    display: none;
    background: rgba(0, 116, 240, 0.24);
    border: 1.5px solid var(--ia-gold);
    color: var(--ia-gold);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    font-size: 1.15rem;
    cursor: pointer;
    flex-shrink: 0;
}

/* ==================== CABECERA DE PÁGINAS INTERNAS ==================== */
.page-hero-banner {
    padding: 48px 20px 34px;
    text-align: center;
    position: relative;
    border-bottom: 1px solid rgba(147, 197, 253, 0.18);
    background: linear-gradient(180deg, rgba(3, 17, 38, 0.25) 0%, rgba(6, 29, 66, 0.45) 100%);
}

.page-hero-banner h1 {
    font-size: clamp(1.85rem, 3.6vw, 3rem);
    font-weight: 900;
    color: var(--ia-white);
    margin-bottom: 12px;
    letter-spacing: -0.6px;
    text-shadow: 0 4px 18px rgba(0, 0, 0, 0.55);
}

.page-hero-banner p {
    max-width: 720px;
    margin: 0 auto;
    color: #E2E8F0;
    font-size: 1.02rem;
}

/* ==================== HERO PRINCIPAL (INDEX) ==================== */
.hero-section {
    padding: 52px 20px 68px;
    position: relative;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 44px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(245, 158, 11, 0.16);
    border: 1px solid rgba(251, 191, 36, 0.55);
    padding: 7px 15px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--ia-gold);
    margin-bottom: 18px;
    max-width: 100%;
    flex-wrap: wrap;
}

.hero-title {
    font-size: clamp(2rem, 4.1vw, 3.45rem);
    font-weight: 900;
    line-height: 1.12;
    margin-bottom: 16px;
    letter-spacing: -0.6px;
    color: var(--ia-white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    word-wrap: break-word;
}

.hero-title .highlight {
    background: linear-gradient(90deg, #3898FF 0%, #FBBF24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.04rem;
    color: #E2E8F0;
    margin-bottom: 18px;
    max-width: 610px;
}

.internal-payment-notice {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    background: rgba(7, 26, 58, 0.78);
    border: 1px solid var(--ia-border);
    border-left: 4px solid var(--ia-gold);
    padding: 14px 16px;
    border-radius: 14px;
    margin-bottom: 24px;
    font-size: 0.88rem;
    color: #F1F5F9;
    /* backdrop-filter optimizado para 60fps */
}

.internal-payment-notice i {
    color: var(--ia-gold);
    font-size: 1.2rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--ia-border);
}

.stat-box h3 {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--ia-gold);
    line-height: 1;
}

.stat-box p {
    font-size: 0.83rem;
    color: #CBD5E1;
    margin-top: 5px;
}

/* Hero Visual Card */
.hero-visual {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.hero-main-image-card {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    border: 2px solid var(--ia-border-bright);
    border-radius: var(--radius-xl);
    padding: 14px;
    box-shadow: var(--shadow-lg);
    animation: floatSlow 6s ease-in-out infinite;
    width: 100%;
    position: relative;
}

.hero-main-image-card img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    display: block;
}

/* Visor Dinámico en Movimiento dentro del Hero */
.hero-slider-viewport {
    position: relative;
    width: 100%;
    height: 455px;
    border-radius: 20px;
    overflow: hidden;
    background: #020C1C;
}

.hero-slide-item {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.9s ease-in-out;
    pointer-events: none;
    overflow: hidden;
}

.hero-slide-item.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 2;
}

.hero-slide-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover;
    object-position: center;
    transform: scale(1.02) translate3d(0, 0, 0);
    transition: transform 5.5s linear;
}

.hero-slide-item.active .hero-slide-img {
    animation: heroSlideKenBurns 6s ease-in-out infinite alternate;
}

@keyframes heroSlideKenBurns {
    0%   { transform: scale(1.03) translate3d(-2%, -1%, 0); }
    100% { transform: scale(1.15) translate3d(2%, 2%, 0); }
}

.hero-slide-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 64px 20px 38px;
    background: linear-gradient(180deg, transparent 0%, rgba(2, 12, 28, 0.85) 55%, rgba(2, 12, 28, 0.96) 100%);
    z-index: 3;
}

.hero-slide-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(251, 191, 36, 0.22);
    border: 1px solid var(--ia-gold);
    color: var(--ia-gold);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.hero-slide-caption h4 {
    font-size: 1.18rem;
    font-weight: 900;
    color: #fff;
    margin-bottom: 3px;
}

.hero-slide-caption p {
    font-size: 0.84rem;
    color: #CBD5E1;
}

.hero-slider-dots {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 4;
    display: flex;
    gap: 7px;
    background: rgba(2, 12, 28, 0.68);
    backdrop-filter: blur(8px);
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(147, 197, 253, 0.3);
}

.hero-dot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    border: none;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.hero-dot.active {
    width: 26px;
    background: var(--ia-gold);
    box-shadow: 0 0 10px rgba(251, 191, 36, 0.8);
}

.floating-logo-medal {
    position: absolute;
    top: -18px;
    right: 12px;
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: var(--ia-midnight);
    border: 3px solid var(--ia-gold);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.65);
    overflow: hidden;
    z-index: 4;
    animation: floatReverse 5s ease-in-out infinite;
}

.floating-logo-medal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.floating-badge-bottom {
    position: absolute;
    bottom: -16px;
    left: 20px;
    right: 20px;
    max-width: fit-content;
    background: rgba(4, 20, 46, 0.95);
    color: var(--ia-white);
    padding: 11px 18px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 0.85rem;
    border: 1.5px solid var(--ia-gold);
}

/* ==================== SECCIONES Y TARJETAS GLASS ==================== */
.section {
    padding: 60px 20px;
    position: relative;
}

.section-alt {
    background: rgba(3, 15, 34, 0.38);
    border-top: 1px solid rgba(147, 197, 253, 0.16);
    border-bottom: 1px solid rgba(147, 197, 253, 0.16);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 42px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.16);
    border: 1px solid rgba(251, 191, 36, 0.5);
    color: var(--ia-gold);
    font-weight: 800;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 6px 15px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(1.7rem, 3vw, 2.5rem);
    font-weight: 900;
    color: var(--ia-white);
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-subtitle {
    color: #E2E8F0;
    font-size: 1rem;
}

/* ==================== GRIDS 100% RESPONSIVOS (USAN min(100%, ...) PARA NO DESBORDAR) ==================== */
.campaigns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 24px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
    gap: 24px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 20px;
}

/* ==================== CAMPAÑAS DE DESCUENTO ==================== */
.campaign-card {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 2px solid var(--ia-gold);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.campaign-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.campaign-ribbon {
    position: absolute;
    top: 14px;
    right: 14px;
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    color: #031126;
    font-weight: 900;
    font-size: 0.95rem;
    padding: 6px 14px;
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.5);
    z-index: 2;
}

.campaign-img-wrap {
    height: 200px;
    background: var(--ia-midnight);
    overflow: hidden;
}

.campaign-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.campaign-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.campaign-label {
    font-size: 0.76rem;
    font-weight: 800;
    color: var(--ia-gold);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 6px;
}

.campaign-body h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--ia-white);
    margin-bottom: 8px;
}

.campaign-body p {
    color: var(--ia-text-muted);
    font-size: 0.92rem;
    margin-bottom: 16px;
    flex: 1;
}

.campaign-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    background: rgba(3, 17, 38, 0.72);
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    border: 1px dashed var(--ia-gold);
}

/* ==================== REPRODUCTOR DE VIDEOS PROMOCIONALES ==================== */
.video-showcase-layout {
    display: grid;
    grid-template-columns: 1.35fr 0.65fr;
    gap: 24px;
    align-items: start;
}

.main-video-player-card {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    border: 1.5px solid var(--ia-border-bright);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.video-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #010918;
}

.video-wrapper video,
.video-wrapper iframe {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border: none;
}

.video-info-bar {
    padding: 20px 22px;
    background: rgba(3, 17, 38, 0.9);
}

.video-info-bar h3 {
    font-size: 1.18rem;
    font-weight: 800;
    color: var(--ia-white);
    margin-bottom: 6px;
}

.video-info-bar p {
    color: var(--ia-text-muted);
    font-size: 0.9rem;
}

.video-playlist {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.playlist-item {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    border: 1.5px solid var(--ia-border);
    border-radius: 16px;
    padding: 12px;
    display: flex;
    gap: 12px;
    align-items: center;
    cursor: pointer;
    transition: all 0.25s ease;
}

.playlist-item:hover,
.playlist-item.active {
    background: rgba(0, 116, 240, 0.30);
    border-color: var(--ia-gold);
}

.playlist-thumb {
    width: 88px;
    height: 60px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
    background: var(--ia-midnight);
    border: 1px solid var(--ia-border-bright);
}

.playlist-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playlist-play-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(3, 17, 38, 0.45);
    color: var(--ia-gold);
    font-size: 1.1rem;
}

.playlist-meta h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
    line-height: 1.3;
}

.playlist-meta span {
    font-size: 0.76rem;
    color: var(--ia-gold);
    font-weight: 600;
}

/* ==================== TARJETAS DE SERVICIOS ==================== */
.service-card {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1.5px solid var(--ia-border);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    transition: all 0.35s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    background: var(--ia-card-hover);
    border-color: var(--ia-gold);
    box-shadow: var(--shadow-lg);
}

.service-img-box {
    height: 190px;
    position: relative;
    overflow: hidden;
    background: var(--ia-midnight);
    border-bottom: 1px solid var(--ia-border);
}

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

.service-card:hover .service-img-box img {
    transform: scale(1.05);
}

.service-cat-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(3, 17, 38, 0.92);
    color: var(--ia-gold);
    padding: 5px 13px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 800;
    border: 1px solid rgba(251, 191, 36, 0.55);
}

.service-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.service-content h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--ia-white);
    margin-bottom: 8px;
}

.service-content p {
    font-size: 0.9rem;
    color: var(--ia-text-muted);
    margin-bottom: 14px;
}

.service-Checklist {
    list-style: none;
    margin-bottom: 18px;
    flex: 1;
}

.service-Checklist li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 0.86rem;
    color: #F1F5F9;
    margin-bottom: 7px;
}

.service-Checklist li i {
    color: var(--ia-emerald);
    margin-top: 4px;
    flex-shrink: 0;
}

/* ==================== METODOLOGÍA & TARJETAS DE ACCESO RÁPIDO ==================== */
.step-card {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    padding: 24px 20px;
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--ia-border);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--ia-white);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--ia-gold);
    background: var(--ia-card-hover);
}

.step-number {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--ia-blue), #004A9F);
    border: 1.5px solid var(--ia-gold);
    color: var(--ia-gold);
    font-weight: 900;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.step-card h4 {
    font-size: 1.12rem;
    font-weight: 800;
    color: var(--ia-white);
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--ia-text-muted);
}

/* ==================== CONTACTO & FORMULARIO ==================== */
.contact-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 32px;
    align-items: stretch;
}

.contact-info-panel,
.contact-form-panel {
    background: var(--ia-card-bg);
    /* backdrop-filter optimizado para 60fps */
    color: #fff;
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1.5px solid var(--ia-border-bright);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-group {
    margin-bottom: 14px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.83rem;
    font-weight: 700;
    color: var(--ia-gold);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 11px 14px;
    background: rgba(3, 17, 38, 0.82);
    border: 1.5px solid var(--ia-border);
    color: #fff;
    border-radius: 12px;
    font-size: 0.92rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-control::placeholder {
    color: #94A3B8;
}

.form-control option {
    background: #031126;
    color: #fff;
}

.form-control:focus {
    outline: none;
    border-color: var(--ia-gold);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.2);
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: rgba(2, 12, 28, 0.94);
    /* backdrop-filter optimizado para 60fps */
    color: #CBD5E1;
    padding: 52px 20px 26px;
    border-top: 2px solid var(--ia-blue);
    position: relative;
    z-index: 2;
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 28px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--ia-border);
}

.footer-col h4 {
    color: var(--ia-gold);
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 9px;
}

.footer-links a {
    color: #CBD5E1;
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--ia-gold);
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
    z-index: 999;
    text-decoration: none;
    animation: pulseBadge 2.5s infinite;
}

/* ==================== ANIMACIONES SCROLL ==================== */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes floatSlow {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes floatReverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(5px) rotate(2deg); }
}

@keyframes pulseBadge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ==================== MEDIA QUERIES RESPONSIVOS (TABLET Y MÓVIL) ==================== */
@media (max-width: 1180px) {
    .brand-subtitle {
        display: none;
    }
    .nav-links a {
        padding: 7px 9px;
        font-size: 0.82rem;
    }
}

@media (max-width: 1024px) {
    /* En pantallas <= 1024px ocultamos los botones de escritorio del header y mostramos el botón hamburguesa */
    .desktop-only-btn {
        display: none !important;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(3, 17, 38, 0.98);
        /* backdrop-filter optimizado para 60fps */
        flex-direction: column;
        align-items: stretch;
        padding: 18px 20px 22px;
        gap: 6px;
        border-bottom: 2px solid var(--ia-gold);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.65);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 11px 14px;
        font-size: 0.95rem;
    }

    .nav-mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 10px;
        margin-top: 10px;
        padding-top: 12px;
        border-top: 1px solid var(--ia-border);
    }

    .nav-mobile-actions .btn {
        display: flex;
        width: 100%;
        justify-content: center;
        padding: 12px;
    }

    .hero-container,
    .video-showcase-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

@media (max-width: 640px) {
    .navbar-container {
        padding: 10px 14px;
    }

    .brand-logo-img-wrap {
        width: 42px;
        height: 42px;
    }

    .brand-title {
        font-size: 1.05rem;
    }

    .hero-section {
        padding: 32px 14px 48px;
    }

    .page-hero-banner {
        padding: 34px 14px 26px;
    }

    .section {
        padding: 44px 14px;
    }

    .hero-cta-group {
        flex-direction: column;
    }

    .hero-cta-group .btn {
        width: 100% !important;
        justify-content: center;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 14px;
        text-align: center;
    }

    .floating-logo-medal {
        width: 68px;
        height: 68px;
        top: 10px;
        right: 10px;
    }

    .floating-badge-bottom {
        position: static;
        margin-top: 12px;
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }

    .contact-info-panel,
    .contact-form-panel {
        padding: 20px 14px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }

    .contact-info-panel h2,
    .contact-form-panel h3 {
        font-size: 1.35rem !important;
        word-break: break-word;
    }

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