/* ============================================================
   INGRESO A LA UNIVERSIDAD (TUP UTN virtual) — Landing page
   maxiprograma.com
   Página STANDALONE (sin Master). Self-contained:
   solo requiere base.css cargado antes para la tipografía/colores base.
   Lenguaje visual hermano de suscripcion.css.
============================================================ */

/* ------------------------------------------------------------
   Variables locales
   (en el baseline productivo NO existen --surface-*, --border-subtle,
   --section-pad ni --navbar-height; se definen acá para no depender
   de home.css, que pertenece a otra rama)
------------------------------------------------------------ */
:root {
    --iu-border-subtle: rgba(255, 255, 255, 0.08);
    --iu-surface-1: #1c1c1c;
    --iu-surface-2: #232323;
    --iu-navbar-height: 64px;
    --iu-section-pad: 80px;
    --iu-accent-rgb: 251, 251, 154; /* --primary-color en RGB */

    /* Hero: imagen de fondo y opacidad del overlay (fáciles de editar) */
    --iu-hero-img: url('../imgs/ingreso-a-la-uni-limpio.jpg');
    --iu-hero-overlay: 0.85; /* subí (hasta 1) para oscurecer si la foto es clara; bajá para aclarar */
}

.iu-page {
    background-color: var(--secondary-color);
    color: #FCFCFC;
}

/* ------------------------------------------------------------
   Botones primarios — amarillo principal de la marca
   (Bootstrap 5.3 resuelve el color vía variables --bs-btn-*)
------------------------------------------------------------ */
.iu-page .btn-primary {
    --bs-btn-color: var(--secondary-color);
    --bs-btn-bg: var(--primary-color);
    --bs-btn-border-color: var(--primary-color);
    --bs-btn-hover-color: var(--secondary-color);
    --bs-btn-hover-bg: var(--primary-color-dark);
    --bs-btn-hover-border-color: var(--primary-color-dark);
    --bs-btn-active-color: var(--secondary-color);
    --bs-btn-active-bg: var(--primary-color-darker);
    --bs-btn-active-border-color: var(--primary-color-darker);
    --bs-btn-disabled-color: var(--secondary-color);
    --bs-btn-disabled-bg: var(--primary-color-light);
    --bs-btn-disabled-border-color: var(--primary-color-light);
    font-weight: 700;
}

/* ------------------------------------------------------------
   HEADER propio (standalone)
------------------------------------------------------------ */
.iu-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--iu-navbar-height);
    background-color: #111;
    border-bottom: 1px solid var(--iu-border-subtle);
    z-index: 1030;
    display: flex;
    align-items: center;
}

.iu-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.iu-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #FCFCFC;
    font-weight: 600;
    font-size: 1.05rem;
}

.iu-brand img {
    width: 38px;
    height: 38px;
}

.iu-header-cta {
    font-weight: 500;
}

/* Espaciador para el contenido bajo el header fijo */
.iu-main {
    padding-top: var(--iu-navbar-height);
}

/* ------------------------------------------------------------
   Secciones genéricas
------------------------------------------------------------ */
.iu-section {
    padding: var(--iu-section-pad) 0;
}

.iu-section--alt {
    background-color: #1a1a1a;
    border-top: 1px solid var(--iu-border-subtle);
    border-bottom: 1px solid var(--iu-border-subtle);
}

.iu-section-header {
    margin-bottom: 2.5rem;
}

.iu-section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    color: #FCFCFC;
    margin-bottom: 0.75rem;
}

.iu-section-subtitle {
    font-size: 1.02rem;
    color: #9a9a9a;
    line-height: 1.7;
    max-width: 620px;
    margin: 0 auto;
}

/* ------------------------------------------------------------
   Placeholders editables (datos sin definir del brief)
------------------------------------------------------------ */
.iu-placeholder {
    display: inline-block;
    background: rgba(var(--iu-accent-rgb), 0.12);
    border: 1px dashed rgba(var(--iu-accent-rgb), 0.45);
    color: var(--primary-color);
    border-radius: 6px;
    padding: 0 6px;
    font-weight: 700;
    font-size: 0.92em;
}

/* ------------------------------------------------------------
   HERO
------------------------------------------------------------ */
.iu-hero {
    position: relative;
    background-color: #0d0d0e; /* fallback si la imagen no carga */
    background-image: var(--iu-hero-img);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-bottom: 1px solid var(--iu-border-subtle);
    padding-top: calc(var(--iu-navbar-height) + 96px);
    padding-bottom: 96px;
    text-align: center;
    overflow: hidden;
}

/* Overlay con degradado oscuro sobre la foto (legibilidad del texto blanco) */
.iu-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(180deg, rgba(11, 11, 12, 0.74) 0%, rgba(11, 11, 12, 0.5) 40%, rgba(11, 11, 12, 0.82) 100%);
    opacity: var(--iu-hero-overlay);
    pointer-events: none;
}

.iu-hero-glow {
    position: absolute;
    top: -120px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 420px;
    background: radial-gradient(ellipse, rgba(var(--iu-accent-rgb), 0.06) 0%, transparent 68%);
    pointer-events: none;
    z-index: 0;
}

.iu-hero .container {
    position: relative;
    z-index: 1;
}

/* Bloque de texto del hero: centrado. El título y el subtítulo definen su propio ancho. */
.iu-hero-content {
    max-width: 720px;
    margin: 0 auto;
}

.iu-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(var(--iu-accent-rgb), 0.08);
    border: 1px solid rgba(var(--iu-accent-rgb), 0.22);
    color: var(--primary-color);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.iu-hero-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 0;
    max-width: 720px;
    margin-inline: auto;
}

.iu-hero-title span {
    color: var(--primary-color);
}

.iu-hero-subtitle {
    font-size: 1.0625rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.7;
    max-width: 460px;
    margin: 1.25rem auto 1.75rem;
}

.iu-hero-cta-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.iu-hero-urgency {
    font-size: 0.9rem;
    color: #c0c0c0;
    margin: 0;
}

.iu-hero-urgency i {
    color: var(--primary-color);
    margin-right: 5px;
}

/* Botón secundario fantasma */
.btn-iu-ghost {
    color: #9a9a9a;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: transparent;
    font-weight: 500;
    transition: border-color 0.18s, color 0.18s, background 0.18s;
}

.btn-iu-ghost:hover {
    color: #FCFCFC;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.04);
}

/* ------------------------------------------------------------
   PARA QUIÉN ES / NO ES
------------------------------------------------------------ */
.iu-audience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 920px;
    margin: 0 auto;
}

.iu-audience-card {
    background: var(--iu-surface-1);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 14px;
    padding: 1.75rem;
}

.iu-audience-card--yes {
    border-color: rgba(80, 200, 120, 0.25);
}

.iu-audience-card--no {
    border-color: rgba(255, 255, 255, 0.1);
}

.iu-audience-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #FCFCFC;
    margin-bottom: 1.1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.iu-audience-card--yes .iu-audience-title i { color: #60d490; }
.iu-audience-card--no .iu-audience-title i { color: #ff7676; }

.iu-audience-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.iu-audience-list li {
    font-size: 0.9rem;
    color: #b3b3b3;
    line-height: 1.55;
    padding-left: 26px;
    position: relative;
}

.iu-audience-list li::before {
    position: absolute;
    left: 0;
    top: 1px;
    font-family: "bootstrap-icons";
    font-size: 0.95rem;
}

.iu-audience-card--yes .iu-audience-list li::before {
    content: "\F26B"; /* bi-check-circle */
    color: #60d490;
}

.iu-audience-card--no .iu-audience-list li::before {
    content: "\F623"; /* bi-x-circle */
    color: rgba(255, 255, 255, 0.3);
}

/* ------------------------------------------------------------
   PROBLEMA
------------------------------------------------------------ */
.iu-problem {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.iu-problem p {
    font-size: 1.1rem;
    color: #b3b3b3;
    line-height: 1.8;
}

.iu-problem .iu-problem-highlight {
    color: var(--primary-color);
    font-weight: 600;
}

/* ------------------------------------------------------------
   PILARES (cómo funciona / qué incluye)
------------------------------------------------------------ */
.iu-pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.iu-pillar-card {
    background: var(--iu-surface-1);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 12px;
    padding: 1.6rem 1.4rem;
    transition: border-color 0.2s;
}

.iu-pillar-card:hover {
    border-color: rgba(var(--iu-accent-rgb), 0.18);
}

.iu-pillar-icon {
    width: 44px;
    height: 44px;
    background: rgba(var(--iu-accent-rgb), 0.08);
    border: 1px solid rgba(var(--iu-accent-rgb), 0.18);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 1.1rem;
}

.iu-pillar-title {
    font-size: 1rem;
    font-weight: 700;
    color: #FCFCFC;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.iu-pillar-desc {
    font-size: 0.85rem;
    color: #8b8b8b;
    line-height: 1.65;
    margin: 0;
}

/* ------------------------------------------------------------
   ENCUENTROS EN VIVO (tabla)
------------------------------------------------------------ */
.iu-meetings-note {
    font-size: 0.9rem;
    color: #9a9a9a;
    text-align: center;
    max-width: 720px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.iu-meetings-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 12px;
    border: 1px solid var(--iu-border-subtle);
    max-width: 920px;
    margin: 0 auto;
}

.iu-meetings-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
}

.iu-meetings-table th,
.iu-meetings-table td {
    padding: 16px 20px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--iu-border-subtle);
    font-size: 0.88rem;
    line-height: 1.55;
}

.iu-meetings-table th {
    background: var(--iu-surface-2);
    color: #FCFCFC;
    font-weight: 700;
    white-space: nowrap;
    width: 30%;
}

.iu-meetings-table td {
    color: #9a9a9a;
}

.iu-meetings-table tr:last-child td,
.iu-meetings-table tr:last-child th {
    border-bottom: none;
}

.iu-extra-note {
    font-size: 0.85rem;
    color: #777;
    font-style: italic;
    text-align: center;
    margin-top: 1.25rem;
}

/* ------------------------------------------------------------
   PLAN DE CONTENIDOS + FAQ (acordeones Bootstrap, tema oscuro)
------------------------------------------------------------ */
.iu-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.iu-accordion .accordion-item {
    background: var(--iu-surface-1);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 12px !important;
    margin-bottom: 12px;
    overflow: hidden;
}

.iu-accordion .accordion-button {
    background: var(--iu-surface-1);
    color: #FCFCFC;
    font-weight: 700;
    font-size: 0.98rem;
    box-shadow: none;
    padding: 1.1rem 1.3rem;
}

.iu-accordion .accordion-button:not(.collapsed) {
    background: rgba(var(--iu-accent-rgb), 0.06);
    color: var(--primary-color);
    box-shadow: none;
}

.iu-accordion .accordion-button:focus {
    box-shadow: 0 0 0 0.2rem rgba(var(--iu-accent-rgb), 0.25);
}

.iu-accordion .accordion-button::after {
    filter: invert(1) grayscale(1) brightness(1.5);
}

.iu-accordion .accordion-body {
    color: #9a9a9a;
    font-size: 0.9rem;
    line-height: 1.7;
    padding: 0.3rem 1.3rem 1.3rem;
}

.iu-accordion .accordion-body a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.iu-accordion .accordion-body a:hover {
    text-decoration: underline;
}

/* ------------------------------------------------------------
   QUÉ INCLUYE — grilla de bullets
------------------------------------------------------------ */
.iu-includes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 28px;
    max-width: 860px;
    margin: 0 auto;
}

.iu-includes-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.92rem;
    color: #c0c0c0;
    line-height: 1.5;
}

.iu-includes-item i {
    color: var(--primary-color);
    font-size: 1.05rem;
    margin-top: 2px;
    flex-shrink: 0;
}

/* ------------------------------------------------------------
   RESULTADOS
------------------------------------------------------------ */
.iu-results-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 860px;
    margin: 0 auto;
}

.iu-result-card {
    background: var(--iu-surface-1);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 12px;
    padding: 1.4rem 1.5rem;
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.iu-result-card i {
    color: var(--primary-color);
    font-size: 1.4rem;
    flex-shrink: 0;
}

.iu-result-card p {
    margin: 0;
    font-size: 0.92rem;
    color: #b3b3b3;
    line-height: 1.6;
}

.iu-result-card strong {
    color: #FCFCFC;
}

/* ------------------------------------------------------------
   DOCENTE
------------------------------------------------------------ */
.iu-teacher {
    max-width: 820px;
    margin: 0 auto;
    background: var(--iu-surface-1);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 16px;
    padding: 2.25rem;
}

.iu-teacher-name {
    font-size: 1.3rem;
    font-weight: 800;
    color: #FCFCFC;
    margin-bottom: 0.25rem;
}

.iu-teacher-creds {
    font-size: 0.85rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.iu-teacher p {
    font-size: 0.92rem;
    color: #9a9a9a;
    line-height: 1.7;
    margin-bottom: 0.9rem;
}

.iu-teacher-social {
    display: flex;
    gap: 12px;
    margin-top: 1.25rem;
    flex-wrap: wrap;
}

.iu-teacher-social a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #FCFCFC;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--iu-border-subtle);
    border-radius: 8px;
    padding: 8px 14px;
    transition: border-color 0.18s, background 0.18s;
}

.iu-teacher-social a:hover {
    border-color: rgba(var(--iu-accent-rgb), 0.35);
    background: rgba(var(--iu-accent-rgb), 0.06);
}

.iu-teacher-social i { font-size: 1.05rem; }

/* ------------------------------------------------------------
   PRECIO
------------------------------------------------------------ */
.iu-price-block {
    max-width: 480px;
    margin: 0 auto;
    border: 1px solid rgba(var(--iu-accent-rgb), 0.25);
    border-radius: 16px;
    padding: 2.5rem 2.25rem;
    text-align: center;
    background: linear-gradient(160deg, rgba(var(--iu-accent-rgb), 0.05) 0%, var(--iu-surface-1) 55%);
}

.iu-price-label {
    font-size: 0.74rem;
    font-weight: 700;
    color: #8b8b8b;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0.75rem;
}

.iu-price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: #FCFCFC;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

/* Precio viejo (tachado) cuando hay precio promocional */
.iu-price-old {
    display: block;
    font-size: 1.4rem;
    font-weight: 600;
    color: #777;
    text-decoration: line-through;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.iu-price-cta-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.iu-price-note {
    font-size: 0.78rem;
    color: #777;
    margin-top: 1rem;
    margin-bottom: 0;
}

.iu-price-includes {
    list-style: none;
    margin: 1.75rem 0 0;
    padding: 1.5rem 0 0;
    border-top: 1px solid var(--iu-border-subtle);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.iu-price-includes li {
    font-size: 0.85rem;
    color: #b3b3b3;
    line-height: 1.45;
    padding-left: 26px;
    position: relative;
}

.iu-price-includes li::before {
    content: "\F26B"; /* bi-check-circle */
    font-family: "bootstrap-icons";
    position: absolute;
    left: 0;
    top: 0;
    color: #60d490;
}

/* ------------------------------------------------------------
   FAQ wrapper (reusa .iu-accordion)
------------------------------------------------------------ */
.iu-faq {
    max-width: 800px;
    margin: 0 auto;
}

/* ------------------------------------------------------------
   CTA FINAL
------------------------------------------------------------ */
.iu-cta-final {
    padding: var(--iu-section-pad) 0;
    background: linear-gradient(
        to bottom,
        var(--secondary-color),
        rgba(var(--iu-accent-rgb), 0.03) 50%,
        var(--secondary-color)
    );
    text-align: center;
}

.iu-cta-final .iu-cta-note {
    font-size: 0.8rem;
    color: #777;
    margin-top: 1rem;
    line-height: 1.7;
}

/* ------------------------------------------------------------
   FOOTER propio (standalone)
------------------------------------------------------------ */
.iu-footer {
    background-color: #111;
    border-top: 1px solid var(--iu-border-subtle);
    padding: 2rem 0;
    text-align: center;
    color: #8d96a0;
    font-size: 0.85rem;
}

.iu-footer-social {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-bottom: 1rem;
}

.iu-footer-social a {
    color: #8d96a0;
    font-size: 1.3rem;
    transition: color 0.18s;
}

.iu-footer-social a:hover {
    color: var(--primary-color);
}

.iu-footer-contact a {
    color: var(--primary-color);
    text-decoration: none;
}

.iu-footer-contact a:hover {
    text-decoration: underline;
}

/* ------------------------------------------------------------
   STICKY CTA mobile
------------------------------------------------------------ */
.iu-sticky-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: rgba(17, 17, 17, 0.97);
    border-top: 1px solid var(--iu-border-subtle);
    padding: 10px 16px;
    backdrop-filter: blur(8px);
}

.iu-sticky-cta .btn {
    width: 100%;
    font-weight: 700;
}

/* ------------------------------------------------------------
   RESPONSIVE
------------------------------------------------------------ */
@media (max-width: 991px) {
    .iu-pillar-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 767px) {
    :root {
        --iu-section-pad: 56px;
    }

    .iu-hero {
        padding-top: calc(var(--iu-navbar-height) + 40px);
        padding-bottom: 48px;
    }

    .iu-audience-grid,
    .iu-includes-grid,
    .iu-results-grid {
        grid-template-columns: 1fr;
    }

    .iu-header-cta {
        display: none; /* el sticky CTA cubre la conversión en mobile */
    }

    .iu-sticky-cta {
        display: block;
    }

    .iu-meetings-table th,
    .iu-meetings-table td {
        padding: 12px 14px;
        font-size: 0.82rem;
    }

    /* margen inferior para que el sticky no tape el footer */
    .iu-footer {
        padding-bottom: 84px;
    }
}