/* ================================================
   ACADEMIA COPLESTON — Estilos Premium
   Dark Academia · Moderno · Institucional
   ================================================ */

/* --- Hero Academia --- */
.academia-hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: radial-gradient(ellipse at 20% 50%, rgba(197,160,89,0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 20%, rgba(99,102,241,0.04) 0%, transparent 50%),
                linear-gradient(180deg, #060913 0%, #08091a 100%);
    overflow: hidden;
    padding-top: 100px;
}

.academia-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(197,160,89,0.08) 1px, transparent 0);
    background-size: 60px 60px;
    pointer-events: none;
}

.academia-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0; right: 0;
    height: 200px;
    background: linear-gradient(to bottom, transparent, #060913);
    pointer-events: none;
}

.academia-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 6%;
}

.academia-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--gold);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.academia-eyebrow::before,
.academia-eyebrow::after {
    content: '';
    width: 30px;
    height: 1px;
    background: var(--gold);
    opacity: 0.5;
}

.academia-hero-title {
    font-family: var(--font-serif);
    font-size: clamp(3.5rem, 7vw, 6rem);
    line-height: 1.05;
    color: var(--text-pure);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.4s;
}

.academia-hero-title span {
    color: var(--gold);
    display: block;
}

.academia-hero-sub {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    font-weight: 300;
    max-width: 650px;
    margin: 0 auto 3rem;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.6s;
}

/* Stats Row */
.academia-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    opacity: 0;
    animation: fadeUp 1s ease forwards 0.8s;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: var(--gold);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
    position: relative;
}

/* Animación Infinito Radiante — Solo resplandor, sin vibración */
.infinity-glow {
    display: inline-block;
    animation: infinityGlow 4s ease-in-out infinite;
    text-shadow: 0 0 10px rgba(197,160,89,0.3);
}

@keyframes infinityGlow {
    0%, 100% { 
        text-shadow: 0 0 10px rgba(197,160,89,0.3);
        filter: brightness(1);
    }
    50% { 
        text-shadow: 0 0 25px rgba(197,160,89,0.8), 0 0 40px rgba(197,160,89,0.4);
        filter: brightness(1.2);
    }
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-top: 0.5rem;
    display: block;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards 1.2s;
}

.scroll-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* --- Filtros de Categoría --- */
.academia-filter-section {
    padding: 5rem 0 2rem;
    background: var(--bg-main);
    position: sticky;
    top: 70px;
    z-index: 50;
    border-bottom: 1px solid rgba(197,160,89,0.08);
    backdrop-filter: blur(20px);
    background: rgba(6,9,19,0.95);
}

.filter-tabs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 0 6%;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-tab {
    background: transparent;
    border: none;
    padding: 0.8rem 2rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    position: relative;
    transition: all 0.4s ease;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    border-radius: 2px;
}

.filter-tab::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.4s ease;
}

.filter-tab:hover { color: var(--gold); }

.filter-tab.active {
    color: var(--gold);
    border-color: rgba(197,160,89,0.2);
    background: rgba(197,160,89,0.04);
}

.filter-tab.active::after { width: 100%; }

.filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px; height: 18px;
    background: rgba(197,160,89,0.15);
    color: var(--gold);
    font-size: 0.6rem;
    border-radius: 50%;
    margin-left: 0.5rem;
}

/* --- Grid de Cursos --- */
.academia-catalog {
    padding: 6rem 0 10rem;
    background: var(--bg-main);
}

.catalog-section-title {
    font-family: var(--font-serif);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    color: var(--gold);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.catalog-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(197,160,89,0.15);
}

/* Cards Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 5rem;
}

/* --- Tarjeta de Curso Premium --- */
.course-card {
    background: rgba(10,14,28,0.5);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    box-shadow: inset 0 0 0 1px rgba(197, 160, 89, 0.0);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(197, 160, 89, 0.6), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.course-card:hover::before { opacity: 1; }

.course-card:hover {
    border-color: rgba(197,160,89,0.4);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6), 0 0 40px rgba(197,160,89,0.1), inset 0 0 0 1px rgba(197, 160, 89, 0.1);
    background: rgba(15,18,38,0.8);
}

/* Imagen/Visual del curso */
.course-card-visual {
    height: 200px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0d1224 0%, #0a0e1c 100%);
}

.course-card-visual-inner {
    width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.course-roman {
    font-family: var(--font-serif);
    font-size: 5rem;
    color: rgba(197,160,89,0.08);
    position: absolute;
    right: 1.5rem;
    bottom: -0.5rem;
    line-height: 1;
    transition: all 0.5s ease;
    user-select: none;
}

.course-card:hover .course-roman {
    color: rgba(197,160,89,0.15);
    transform: scale(1.1);
}

.course-icon-main {
    font-size: 2.5rem;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 20px rgba(197,160,89,0.3));
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    animation: floatIcon 6s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.course-card:hover .course-icon-main { 
    transform: scale(1.15) translateY(-5px); 
    animation-play-state: paused;
}

/* Gradiente de tipo por disciplina */
.visual-filosofia { background: linear-gradient(135deg, #0c1020 0%, #0d0f1f 50%, #0a0d1a 100%); }
.visual-psicologia { background: linear-gradient(135deg, #0a1520 0%, #0a1218 50%, #060c14 100%); }
.visual-estrategia { background: linear-gradient(135deg, #12100e 0%, #0f0c0a 50%, #0a0808 100%); }
.visual-coming { background: linear-gradient(135deg, #0c0c0c 0%, #080808 100%); }

/* Contenido de la tarjeta */
.course-card-body {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.course-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.3rem 0.8rem;
    border-radius: 1px;
    margin-bottom: 1.2rem;
    width: fit-content;
}

.badge-curso {
    background: rgba(197,160,89,0.08);
    color: var(--gold);
    border: 1px solid rgba(197,160,89,0.2);
}

.badge-especializacion {
    background: rgba(139,92,246,0.08);
    color: #a78bfa;
    border: 1px solid rgba(139,92,246,0.2);
}

.badge-diplomado {
    background: rgba(6,182,212,0.08);
    color: #67e8f9;
    border: 1px solid rgba(6,182,212,0.2);
}

.badge-proximamente {
    background: rgba(100,100,100,0.08);
    color: #666;
    border: 1px solid rgba(100,100,100,0.2);
}

.course-card-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--text-pure);
    line-height: 1.3;
    margin-bottom: 0.8rem;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.course-card:hover .course-card-title { color: var(--gold-light); }

.course-card-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    font-weight: 300;
    margin-bottom: 1.5rem;
    flex: 1;
}

/* Meta info */
.course-meta {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 1.8rem;
    flex-wrap: wrap;
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.course-meta-item svg {
    opacity: 0.6;
}

/* Footer de tarjeta */
.course-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.course-price {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
}

.price-currency {
    font-size: 0.9rem;
    color: var(--gold);
}

.price-amount {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-pure);
    line-height: 1;
}

.price-period {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.course-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    border: 1px solid rgba(197,160,89,0.3);
    color: var(--gold);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
    font-family: var(--font-sans);
}

.course-cta-btn:hover {
    background: var(--gold);
    color: var(--bg-main);
    border-color: var(--gold);
}

.course-cta-btn svg {
    transition: transform 0.3s ease;
}

.course-cta-btn:hover svg { transform: translateX(4px); }

/* Tarjeta bloqueada (Próximamente) */
.course-card.locked {
    opacity: 0.5;
    pointer-events: none;
    filter: grayscale(0.3);
}

.locked-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6,9,19,0.3);
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 1.5rem;
    z-index: 3;
}

/* --- Sección Especializaciones (2 columnas) --- */
.especializaciones-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
}

/* Tarjeta Especializacion — más horizontal */
.course-card.horizontal .course-card-visual {
    height: 150px;
}

/* --- Sección Diplomados --- */
.diplomados-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 5rem;
}

/* Tarjeta Diplomado — ancha y premium */
.course-card.diploma-card {
    flex-direction: row;
    min-height: 220px;
}

.diploma-card .course-card-visual {
    width: 280px;
    height: auto;
    flex-shrink: 0;
}

.diploma-card .course-card-body { padding: 2.5rem; }

.diploma-card .course-card-title { font-size: 1.7rem; }

/* --- Sección Convenios --- */
.academia-convenios {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 100%);
    border-top: 1px solid rgba(197,160,89,0.08);
}

.convenios-header {
    text-align: center;
    margin-bottom: 5rem;
}

.convenios-intro {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 1.5rem auto 0;
    line-height: 1.7;
    font-weight: 300;
}

.convenios-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    flex-wrap: wrap;
    opacity: 0.4;
    filter: grayscale(1);
}

.convenio-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.convenio-logo-box {
    width: 120px; height: 60px;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* --- Sección Para quién --- */
.academia-para-quien {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.perfiles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 5rem;
}

.perfil-card {
    text-align: center;
    padding: 3rem 2rem;
    border: 1px solid rgba(197,160,89,0.08);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.perfil-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transform: scaleX(0);
    transition: transform 0.5s ease;
}

.perfil-card:hover::before { transform: scaleX(1); }
.perfil-card:hover { background: rgba(197,160,89,0.02); }

.perfil-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px rgba(197,160,89,0.2));
}

.perfil-title {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-pure);
    margin-bottom: 1rem;
    letter-spacing: 1px;
}

.perfil-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    font-weight: 300;
}

/* --- CTA Final Academia --- */
.academia-cta {
    padding: 10rem 0;
    background: radial-gradient(ellipse at center, rgba(197,160,89,0.06) 0%, transparent 70%),
                var(--bg-main);
    text-align: center;
    border-top: 1px solid rgba(197,160,89,0.1);
}

.academia-cta-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--text-pure);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.academia-cta-sub {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 500px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

/* --- Animaciones de Entrada (Scroll) --- */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    filter: blur(10px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1s cubic-bezier(0.16, 1, 0.3, 1),
                filter 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
    .courses-grid { grid-template-columns: repeat(2, 1fr); }
    .especializaciones-grid { grid-template-columns: 1fr; }
    .diploma-card { flex-direction: column; }
    .diploma-card .course-card-visual { width: 100%; height: 180px; }
}

@media (max-width: 768px) {
    .courses-grid { grid-template-columns: 1fr; }
    .perfiles-grid { grid-template-columns: 1fr; }
    .academia-stats {
        gap: 0;
        flex-direction: column;
        align-items: center;
        padding-top: 2rem;
    }
    .stat-item {
        padding: 1.5rem 2rem;
        width: 100%;
        text-align: center;
        border-right: none !important;
    }
    .stat-item:not(:last-child) {
        border-bottom: 1px solid rgba(197,160,89,0.1);
    }
    .stat-item:not(:last-child)::after { display: none; }
    .filter-tabs { gap: 0.3rem; }
    .filter-tab { padding: 0.6rem 1rem; font-size: 0.65rem; }
    .academia-hero-title { font-size: clamp(2.5rem, 10vw, 3.5rem) !important; }
    .academia-hero-content { padding: 0 5%; }
    .academia-hero-sub { font-size: 0.95rem; }
    .academia-eyebrow { font-size: 0.65rem; }
}


/* ================================================
   MEJORAS PREMIUM v4.0 — Startup Competition
   ================================================ */

/* --- Hero: Línea decorativa animada --- */
.academia-hero::before {
    background-image: radial-gradient(circle at 1px 1px, rgba(197,160,89,0.12) 1px, transparent 0);
    background-size: 50px 50px;
    animation: gridShift 20s linear infinite;
}

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

/* Stats separadores */
.academia-stats {
    border-top: 1px solid rgba(197,160,89,0.08);
    padding-top: 3rem;
    position: relative;
}

.stat-item {
    position: relative;
    padding: 0 clamp(1.5rem, 3vw, 4rem);
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 20%; bottom: 20%;
    width: 1px;
    background: rgba(197,160,89,0.15);
}

.stat-number {
    font-size: 3rem;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Filter bar mejorado --- */
.academia-filter-section {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(197,160,89,0.1);
    box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}

.filter-tab {
    border-radius: 2px;
    font-weight: 500;
    letter-spacing: 2.5px;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.filter-tab:hover {
    background: rgba(197,160,89,0.06);
    border-color: rgba(197,160,89,0.15);
    transform: translateY(-1px);
}

.filter-tab.active {
    box-shadow: 0 0 20px rgba(197,160,89,0.08);
}

/* --- Sección: Metodología (nueva) --- */
.academia-metodologia {
    padding: 8rem 0;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-secondary) 50%, var(--bg-main) 100%);
    border-top: 1px solid rgba(197,160,89,0.06);
    position: relative;
    overflow: hidden;
}

.academia-metodologia::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(197,160,89,0.04) 0%, transparent 65%);
    pointer-events: none;
}

.metodologia-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
    margin-top: 5rem;
    border: 1px solid rgba(197,160,89,0.08);
}

.metodo-step {
    padding: 3.5rem 2.5rem;
    background: rgba(6,9,19,0.6);
    backdrop-filter: blur(12px);
    position: relative;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    border-right: 1px solid rgba(197,160,89,0.06);
}

.metodo-step:last-child { border-right: none; }

.metodo-step::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.metodo-step:hover::before { opacity: 1; }
.metodo-step:hover { background: rgba(197,160,89,0.02); transform: translateY(-4px); }

.metodo-num {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    color: rgba(197,160,89,0.08);
    line-height: 1;
    margin-bottom: 1.5rem;
    display: block;
    letter-spacing: -2px;
    transition: color 0.4s ease;
}

.metodo-step:hover .metodo-num { color: rgba(197,160,89,0.18); }

.metodo-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--text-pure);
    margin-bottom: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.metodo-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
    font-weight: 300;
}

/* --- Course Cards mejoradas v4 --- */
.course-card {
    border-radius: 2px;
}

.course-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(197,160,89,0.04) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.course-card:hover::after { opacity: 1; }

.course-card-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(6,9,19,0.8) 100%);
}

/* Línea lateral dorada en hover */
.course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(to bottom, var(--gold), transparent);
    transition: height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 4;
}

.course-card:hover::before { height: 100%; }

/* --- Perfiles de Alumno mejorados --- */
.perfil-card {
    background: rgba(10,14,28,0.4);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 2px;
}

.perfil-card:hover {
    background: rgba(10,14,28,0.7);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(197,160,89,0.12);
    transform: translateY(-6px);
}

.perfil-icon {
    font-size: 3rem;
    width: 80px; height: 80px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.5rem;
    border: 1px solid rgba(197,160,89,0.12);
    border-radius: 50%;
    background: rgba(197,160,89,0.04);
    transition: all 0.4s ease;
}

.perfil-card:hover .perfil-icon {
    background: rgba(197,160,89,0.08);
    border-color: rgba(197,160,89,0.3);
    box-shadow: 0 0 30px rgba(197,160,89,0.1);
}

/* --- Convenios mejorados --- */
.convenios-logos {
    opacity: 1;
    filter: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: rgba(197,160,89,0.06);
}

.convenio-placeholder {
    background: rgba(6,9,19,0.8);
    padding: 3rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.convenio-placeholder:hover { background: rgba(197,160,89,0.03); }

.convenio-logo-box {
    width: auto; height: auto;
    border: none;
    font-size: 0.65rem;
    letter-spacing: 3px;
    color: rgba(197,160,89,0.3);
    text-align: center;
}

.convenio-logo-box::before {
    content: '◈';
    display: block;
    font-size: 1.5rem;
    color: rgba(197,160,89,0.2);
    margin-bottom: 1rem;
}

/* --- CTA final mejorado --- */
.academia-cta {
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(197,160,89,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(99,102,241,0.04) 0%, transparent 60%),
        var(--bg-main);
    position: relative;
    overflow: hidden;
}

.academia-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(197,160,89,0.05) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
}

.academia-cta .content-wrapper {
    position: relative;
    z-index: 2;
}

.academia-cta-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    background: linear-gradient(135deg, #fff 0%, var(--gold-light) 50%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
}

/* --- Catalog section titles mejorados --- */
.catalog-section-title {
    font-size: 0.65rem;
    letter-spacing: 6px;
    padding-bottom: 1.5rem;
}

.catalog-section-title::before {
    content: '◈';
    color: rgba(197,160,89,0.5);
    margin-right: 1rem;
    font-size: 0.8rem;
}

/* --- Status badge mejorado --- */
.status-badge {
    background: rgba(197,160,89,0.1);
    color: var(--gold);
    border: 1px solid rgba(197,160,89,0.25);
    font-size: 0.6rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
    font-family: var(--font-sans);
    backdrop-filter: blur(8px);
}

/* Diploma card mejorada */
.diploma-card .course-card-visual {
    width: 260px;
    position: relative;
}

.diploma-card .course-card-visual::after {
    display: none;
}

.diploma-card .course-card-body {
    border-left: 1px solid rgba(197,160,89,0.06);
}

/* Responsive metodología */
@media (max-width: 1024px) {
    .metodologia-grid { grid-template-columns: repeat(2, 1fr); }
    .convenios-logos { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .metodologia-grid { grid-template-columns: 1fr; }
    .metodo-step { border-right: none; border-bottom: 1px solid rgba(197,160,89,0.06); }
    .convenios-logos { grid-template-columns: repeat(2, 1fr); }
    .stat-item { padding: 0 2rem; }
}

/* =========================================
   CORRECCIONES MÓVILES FINALES (Overrides fuertes)
   ========================================= */
@media (max-width: 768px) {
    .course-card.diploma-card, .course-card.horizontal {
        flex-direction: column !important;
    }
    .course-card.diploma-card .course-card-visual, .course-card.horizontal .course-card-visual {
        width: 100% !important;
        height: 200px !important;
    }
    .diploma-card .course-card-body {
        padding: 1.5rem !important;
        border-left: none !important;
    }
    .filter-tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        justify-content: flex-start !important;
        padding-bottom: 1rem !important;
        scroll-snap-type: x mandatory;
    }
    .filter-tab {
        white-space: nowrap;
        scroll-snap-align: start;
    }
    .filter-tabs::-webkit-scrollbar {
        height: 3px;
    }
    .filter-tabs::-webkit-scrollbar-thumb {
        background: rgba(197,160,89,0.3);
        border-radius: 3px;
    }
}

/* ================================================
   SECCIÓN REVISTA — Estilos Modernizados
   ================================================ */
.revista-hero {
    min-height: 55vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: 4rem;
    background: radial-gradient(ellipse at 50% 50%, rgba(197,160,89,0.06) 0%, transparent 70%),
                linear-gradient(180deg, #060913 0%, #0a0e1c 100%);
    overflow: hidden;
}

.revista-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(197,160,89,0.12) 1px, transparent 0);
    background-size: 50px 50px;
    animation: gridShift 20s linear infinite;
    pointer-events: none;
}

.revista-category-section {
    padding: 6rem 0 10rem;
    position: relative;
    background: var(--bg-main);
}

.revista-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.category-card {
    background: rgba(8,10,22,0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(197,160,89,0.08);
    padding: 4rem 3rem;
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: 4px;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.category-card:hover {
    background: rgba(197,160,89,0.03);
    border-color: rgba(197,160,89,0.3);
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.category-card:hover::before {
    transform: translateX(100%);
}

.category-card-icon {
    font-size: 3rem;
    margin-bottom: 2rem;
    display: block;
    transition: transform 0.4s ease;
}

.category-card:hover .category-card-icon {
    transform: scale(1.1) rotate(-5deg);
}

.category-card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-pure);
    margin-bottom: 1.5rem;
    letter-spacing: 1.5px;
}

.category-card-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    flex-grow: 1;
    font-weight: 300;
}

.category-card-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--gold);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 600;
    transition: gap 0.3s ease;
}

.category-card:hover .category-card-link {
    gap: 1.2rem;
}

.category-card.locked {
    border-style: dashed;
    opacity: 0.6;
    background: rgba(8,10,22,0.2);
}

.category-card.locked .category-card-icon {
    filter: grayscale(1);
    opacity: 0.4;
}

/* ================================================
   SECCIÓN PODCAST — Estilos Modernizados
   ================================================ */
.podcast-hero {
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: 4rem;
    background: radial-gradient(circle at 50% 50%, rgba(197,160,89,0.05) 0%, transparent 70%),
                linear-gradient(180deg, #060913 0%, #08091a 100%);
    overflow: hidden;
}

.podcast-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(197,160,89,0.08) 1px, transparent 0);
    background-size: 40px 40px;
    animation: gridShift 25s linear infinite;
    pointer-events: none;
}

.podcast-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.6rem 1.2rem;
    background: rgba(197,160,89,0.1);
    border: 1px solid rgba(197,160,89,0.2);
    border-radius: 50px;
    color: var(--gold);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.podcast-pulse-dot {
    width: 8px;
    height: 8px;
    background: var(--gold);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--gold);
    animation: podcastPulse 2s infinite;
}

@keyframes podcastPulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(197, 160, 89, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(197, 160, 89, 0); }
}

.podcast-platforms {
    margin-top: 3.5rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.platform-badge {
    padding: 1rem 2.2rem;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: all 0.4s ease;
    filter: grayscale(1);
    opacity: 0.6;
}

.platform-badge:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.15);
}

.podcast-episodes-section {
    padding: 8rem 0;
    background: var(--bg-main);
}

.episode-card {
    background: rgba(10,14,28,0.4);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(197,160,89,0.08);
    padding: 3rem;
    border-radius: 4px;
    position: relative;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    margin-bottom: 2rem;
}

.episode-card:hover {
    background: rgba(197,160,89,0.02);
    border-color: rgba(197,160,89,0.25);
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.4);
}

.episode-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.episode-info-group {
    flex-grow: 1;
}

.episode-number {
    font-size: 0.65rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 0.8rem;
    display: block;
}

.episode-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-pure);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.episode-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 550px;
    font-weight: 300;
}

.play-btn-circle {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    background: var(--gold);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 25px rgba(197,160,89,0.2);
    flex-shrink: 0;
}

.play-btn-circle:hover {
    transform: scale(1.1);
    background: var(--gold-light);
    box-shadow: 0 15px 35px rgba(197,160,89,0.4);
}

.play-btn-circle svg {
    fill: #000;
    margin-left: 4px;
}

.episode-progress-container {
    margin-top: 2rem;
}

.episode-progress-bar {
    height: 3px;
    background: rgba(255,255,255,0.05);
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.episode-progress-fill {
    position: absolute;
    left: 0; top: 0;
    height: 100%;
    width: 0%;
    background: var(--gold);
    transition: width 0.3s ease;
}

.episode-time {
    display: flex;
    justify-content: space-between;
    margin-top: 0.8rem;
    font-size: 0.7rem;
    color: rgba(155,161,181,0.5);
    letter-spacing: 1px;
}

.podcast-suggestion-section {
    padding: 8rem 0;
    background: linear-gradient(to bottom, var(--bg-main), var(--bg-secondary));
    border-top: 1px solid rgba(197,160,89,0.06);
}

.suggestion-form-glass {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(8,10,22,0.4);
    backdrop-filter: blur(24px);
    border: 1px solid rgba(197,160,89,0.1);
    padding: 4rem 3.5rem;
    border-radius: 4px;
}

.suggestion-form-glass label {
    display: block;
    font-size: 0.65rem;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.2rem;
}

.suggestion-form-glass input,
.suggestion-form-glass textarea {
    width: 100%;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 2px;
    padding: 1.2rem;
    color: var(--text-pure);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.suggestion-form-glass input:focus,
.suggestion-form-glass textarea:focus {
    border-color: var(--gold);
    background: rgba(255,255,255,0.05);
}