/* ==========================================================================
   Landing Suscripciones - Diario Oficial El Peruano
   ASP.NET Core 8 - CSS limpio basado en prototipo
   ========================================================================== */

/* ---------- VARIABLES ---------- */
:root {
    --font-family: "Roboto", sans-serif;
    --col-rojo: #db0e15;
    --col-rojo-oscuro: #b80c12;
    --col-negro: #000000;
    --col-blanco: #ffffff;
    --col-fuente: #212529;
    --col-gris05: #f7f7f7;
    --col-gris10: #e7e7e7;
    --col-gris30: #b7b8b9;
    --col-gris60: #6f7274;
    --col-grisclaro: #b6babf;
    --col-mostaza: #ffdb00;
    --col-verde: #00a651;
    --trans-10: #00000010;
    --trans-20: #00000020;
    --trans-30: #00000030;
    --trans-40: #00000040;
    --trans-90: #00000090;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 24px;
    --radius-full: 50px;
}

/* ---------- RESET ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    color: var(--col-fuente);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    line-height: 1.6;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
    display: inline-block;
}

ul { list-style: none; }

a {
    color: inherit;
    text-decoration: none;
}

a:hover { text-decoration: underline; }

hr {
    border: none;
    height: 1px;
    background: var(--col-grisclaro);
}

figure { margin: 0; }

/* ---------- UTILIDADES ---------- */
.text-center { text-align: center; }
.text-blanco { color: var(--col-blanco); }
.mt-2 { margin-top: 1.5rem; }

.svg-grisclaro { fill: #90a4ae; }
.svg-blanco { fill: #ffffff; }

.icon-20 { width: 20px; height: 20px; }
.icon-30 { width: 30px; height: 30px; }

/* ---------- CONTENEDORES ---------- */
.container-small { max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 15px; }
.container-xsmall { max-width: 1024px; width: 100%; margin: 0 auto; padding: 0 15px; }
.container-2xsmall { max-width: 800px; width: 100%; margin: 0 auto; padding: 0 15px; }

/* ---------- BOTONES ---------- */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border: none;
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-rojo {
    background: var(--col-rojo);
    color: var(--col-blanco);
}
.btn-rojo:hover { background: var(--col-rojo-oscuro); color: var(--col-blanco); }

.btn-negro {
    background: var(--col-negro);
    color: var(--col-blanco);
}
.btn-negro:hover { background: #222; color: var(--col-blanco); }

.btn-lg { padding: 14px 44px; font-size: 1.1rem; }

.nav-links .btn-suscripcion {
    display: inline-block;
    background: var(--col-negro);
    color: var(--col-blanco);
    padding: 10px 24px;
    margin: 8px 0;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}
.btn-suscripcion:hover {
    background: #222;
    color: var(--col-blanco);
    text-decoration: none;
}

/* ---------- HEADER ---------- */
.header {
    width: 100%;
    padding: 20px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}
.header-inner > a { margin: 0 auto; }
.logo200 {
    height: 80px;
    width: auto;
    max-width: 400px;
    display: block;
    object-fit: contain;
}

/* Floating social buttons */
.floating-btn {
    position: absolute;
    right: 0;
    display: flex;
    align-items: center;
    overflow: hidden;
    width: 50px;
    transition: width 0.5s ease;
    background: var(--col-blanco);
    z-index: 1;
}
.floating-btn:hover { width: 360px; }
.floating-btn .anchor {
    position: absolute;
    right: 0;
    z-index: 1;
    background: var(--col-blanco);
}
.floating-btn li { flex-shrink: 0; }

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.icon-btn:hover { background: var(--trans-10); }
.icon-btn svg { display: block; }

.borderline-gris {
    border: 1px solid var(--col-gris10);
}

/* ---------- NAVEGACION ---------- */
.navbar-fixed {
    position: sticky;
    top: -1px;
    z-index: 100;
    height: 60px;
    display: flex;
    align-items: center;
}
.nav-rojo { background: var(--col-rojo); }
.nav-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    white-space: nowrap;
}
.nav-links li { display: inline-block; }
.nav-links li a {
    color: var(--col-blanco);
    padding: 18px 16px;
    display: inline-block;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s;
}
.nav-links li a:hover {
    background: rgba(0,0,0,0.1);
    text-decoration: none;
}

.menu-button {
    cursor: pointer;
    display: none;
    background: none;
    border: none;
    padding: 8px;
}

/* ---------- SIDEBAR MOVIL ---------- */
.menu-toggle-input { display: none; }
.menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    cursor: pointer;
}
.menu-sidebar {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100vh;
    background: var(--col-blanco);
    z-index: 300;
    transition: left 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 8px rgba(0,0,0,0.2);
}
.menu-sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--col-gris10);
}
.menu-sidebar-header img { max-width: 160px; }
.menu-sidebar-links { padding: 10px 0; }
.menu-sidebar-links li a {
    display: block;
    padding: 14px 24px;
    color: var(--col-fuente);
    font-size: 1rem;
    text-decoration: none;
    transition: background 0.2s;
}
.menu-sidebar-links li a:hover { background: var(--col-gris05); text-decoration: none; }

.menu-toggle-input:checked ~ .menu-overlay { display: block; }
.menu-toggle-input:checked ~ .menu-sidebar { left: 0; }

/* ---------- MAIN ---------- */
.main-content {
    flex: 1 0 auto;
    overflow: hidden;
}

/* ---------- HERO ---------- */
.section-hero {
    background: var(--col-gris05);
    padding: 40px 0;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.hero-title {
    font-size: clamp(3rem, 2.5vw, 2.2rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
}
.hero-divider {
    margin: 16px 0;
    background: var(--col-grisclaro);
}
.hero-description {
    font-size: 1.3rem;
    color: var(--col-gris60);
    margin-bottom: 20px;
}
.hero-plan {
    text-align: center;
    margin: 20px 0;
}
.hero-plan img { max-width: 200px; }
.hero-image { text-align: center; }
.hero-image img { max-width: 100%; }

/* ---------- BENEFICIOS ---------- */
.section-beneficios {
    background: var(--col-rojo);
    padding: 60px 0;
}
.section-title {
    text-align: center;
    font-size: clamp(2.8rem, 2vw, 1.8rem);
    font-weight: 700;
    margin-bottom: 40px;
}
.grid-tres {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.card-beneficio {
    text-align: center;
    color: var(--col-blanco);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    padding: 30px 20px;
}
.card-beneficio figure {
    margin: 0 auto 16px;
    display: flex;
    justify-content: center;
}
.card-beneficio h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.card-beneficio p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ---------- TARIFAS ---------- */
.section-tarifas {
    background: var(--col-gris05);
    padding: 60px 0;
}
.planes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 700px;
    margin: 40px auto 0;
}
.plan-card {
    text-align: center;
    border: 1px solid var(--col-negro);
    border-radius: var(--radius-md);
    padding: 50px 24px 24px;
    position: relative;
    background: var(--col-blanco);
}
.plan-badge {
    position: absolute;
    top: -20px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.plan-label {
    display: inline-block;
    background: var(--col-negro);
    color: var(--col-blanco);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
}
.plan-recomendada {
    display: inline-block;
    background: var(--col-rojo);
    color: var(--col-blanco);
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 4px;
}
.plan-card--destacado { border-color: var(--col-rojo); border-width: 2px; }
.plan-card--destacado .plan-badge { top: -42px; }

.plan-card figure {
    display: flex;
    justify-content: center;
    margin: 16px auto;
}
.plan-features {
    text-align: left;
    margin-top: 20px;
}
.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.85rem;
}
.plan-features li img { flex-shrink: 0; margin-top: 2px; }
.plan-features li span { display: block; }
.plan-nota {
    display: block;
    margin-top: 12px;
    font-size: 0.75rem;
    font-style: italic;
    color: var(--col-gris60);
}

/* ---------- CONTENIDO ---------- */
.section-contenido {
    background: var(--col-rojo);
    padding: 60px 0;
}
.card-contenido {
    text-align: center;
    color: var(--col-blanco);
    padding: 20px;
}
.card-numero {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--col-negro);
    color: var(--col-blanco);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    margin: 0 auto 16px;
}
.card-contenido figure {
    display: flex;
    justify-content: center;
    margin: 0 auto 12px;
}
.card-contenido h3 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 6px;
}
.card-contenido p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ---------- SUPLEMENTOS ---------- */
.section-suplementos {
    background: var(--col-negro);
    padding: 60px 0;
}
.suplementos-header {
    text-align: center;
    margin-bottom: 40px;
}
.suplementos-header p {
    font-size: 1rem;
    opacity: 0.8;
}
.card-suplemento {
    text-align: center;
    color: var(--col-blanco);
    padding: 20px;
}
.card-suplemento figure {
    display: flex;
    justify-content: center;
    margin: 0 auto;
}
.card-suplemento figure img {
    border-bottom: 2px solid var(--col-blanco);
    padding-bottom: 16px;
    margin-bottom: 12px;
}
.card-suplemento figure + .suplemento-dia + figure img {
    border-bottom: none;
    padding-bottom: 0;
}
.suplemento-dia {
    display: block;
    color: var(--col-mostaza);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin: 8px 0;
}

/* ---------- FORMULARIO ---------- */
.section-formulario {
    padding: 60px 0;
}
.form-wrapper {
    max-width: 560px;
    margin: 0 auto;
    padding: 0 16px;
}
.field-group {
    margin-bottom: 20px;
}
.field-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--col-fuente);
}
.field-group input,
.field-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--col-gris30);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: border-color 0.2s;
}
.field-group input:focus,
.field-group textarea:focus {
    outline: none;
    border-color: var(--col-rojo);
    box-shadow: 0 0 0 3px rgba(219, 14, 21, 0.1);
}
.field-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--col-gris60);
    margin-top: 4px;
}
.field-error {
    display: block;
    font-size: 0.8rem;
    color: var(--col-rojo);
    margin-top: 4px;
}
.field-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.field-check input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    accent-color: var(--col-rojo);
}
.field-check label {
    font-size: 0.85rem;
    line-height: 1.4;
    flex: 1;
    cursor: pointer;
}
.field-check label a { color: var(--col-rojo); text-decoration: underline; }
.field-check .field-error { width: 100%; margin-left: 28px; }

.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.9rem; }
.alert-error { background: #fce4ec; color: var(--col-rojo); border: 1px solid #f8bbd0; }

/* ---------- HISTORIA ---------- */
.section-historia {
    background: var(--col-rojo);
    color: var(--col-blanco);
    padding: 60px 0;
    overflow: hidden;
}
.historia-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    align-items: center;
}
.historia-text h2 {
    font-size: clamp(2.5rem, 2vw, 1.8rem);
    font-weight: 700;
    margin-bottom: 16px;
}
.historia-text p { font-size: 1rem; opacity: 0.95; }
.historia-image { text-align: right; }
.historia-image img { max-width: 280px; }

/* ---------- FAQ ACCORDION ---------- */
.section-faq {
    padding: 60px 0;
}
.accordion { max-width: 800px; margin: 0 auto; }
.accordion-item {
    border-bottom: 1px solid var(--col-negro);
}
.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 700;
    text-align: left;
    color: var(--col-fuente);
    transition: color 0.2s;
}
.accordion-header:hover { color: var(--col-rojo); }

.accordion-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(180deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.accordion-body p {
    padding: 0 0 18px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--col-gris60);
}
.accordion-body a { color: var(--col-rojo); text-decoration: underline; }

/* ---------- FOOTER ---------- */
.footer {
    background: var(--col-negro);
    color: var(--col-blanco);
    padding: 40px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-bottom: 30px;
}
.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}
.footer-contact li {
    font-size: 0.8rem;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact li a { color: var(--col-blanco); }
.footer-contact li a:hover { text-decoration: underline; }
.footer-links li { margin-bottom: 8px; }
.footer-links li a {
    font-size: 0.8rem;
    color: var(--col-blanco);
}
.footer-links li a:hover { text-decoration: underline; }

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.footer-social li a img { width: 22px; height: 22px; }

.footer-divider {
    background: rgba(255,255,255,0.2);
    margin: 0;
}
.footer-partners {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    align-items: center;
    padding: 20px 0;
}
.footer-partners a img { max-width: 180px; display: block; margin: 0 auto; }

.footer-copyright {
    text-align: center;
    font-size: 0.75rem;
    padding: 16px 0;
    opacity: 0.7;
}

/* ---------- GRACIAS ---------- */
.section-gracias {
    padding: 80px 0;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.section-gracias h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}
.section-gracias p {
    font-size: 1.1rem;
    color: var(--col-gris60);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 992px) {
    .oculto-tablet-movil { display: none; }
    .menu-button { display: flex; }
    .nav-inner { justify-content: space-between; }

    .grid-tres { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .planes-grid { grid-template-columns: 1fr; max-width: 400px; margin: 40px auto 0; }
    .plan-card--destacado .plan-badge { top: -42px; }

    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-partners { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-image { order: -1; }
    .hero-image img { max-width: 300px; margin: 0 auto; }
    .hero-plan { display: block; }

    .historia-grid { grid-template-columns: 1fr; text-align: center; }
    .historia-image img { max-width: 200px; margin: 0 auto; }
}

@media (max-width: 600px) {
    .floating-btn { display: none; }

    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-social { justify-content: center; }
    .footer-contact li { justify-content: center; }
    .footer-partners { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- CAPTCHA ---------- */
.captcha-group { background: #f0f4f8; border: 1px dashed #90a4ae; border-radius: 8px; padding: 16px; }
.captcha-group label { font-weight: 700; font-size: 1.05rem; color: #1a237e; margin-bottom: 8px; }
.captcha-image { margin: 8px 0 12px; }
.captcha-image svg { border-radius: 4px; border: 1px solid #c5cae9; }
.captcha-group input { max-width: 220px; letter-spacing: 4px; font-size: 1.1rem; text-transform: uppercase; }

/* ---------- VALIDACION CLIENT-SIDE ---------- */
.field-error-border { border: 2px solid #c62828 !important; }

/* ---------- OCULTAR EN DESKTOP ---------- */
@media (min-width: 993px) {
    .oculto-desktop { display: none; }
    .floating-btn { width: auto; overflow: visible; }
}

@media (min-width: 601px) {
    .oculto-tablet-desktop { display: none; }
}

/* ---------- MODAL ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}
.modal-overlay.active {
    display: flex;
}
.modal-content {
    background: var(--col-blanco);
    border-radius: var(--radius-md);
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--col-gris60);
    line-height: 1;
    z-index: 1;
    transition: color 0.2s;
}
.modal-close:hover { color: var(--col-rojo); }
.modal-body {
    padding: 32px;
    overflow-y: auto;
    text-align: justify;
}
.modal-title {
    color: var(--col-rojo);
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
}
.modal-body h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 20px 0 10px;
}
.modal-body p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 10px;
}
.modal-body ol, .modal-body ul {
    padding-left: 24px;
    margin-bottom: 12px;
}
.modal-body li {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 6px;
    list-style: revert;
}
.modal-body a { color: var(--col-rojo); text-decoration: underline; }

@media (max-width: 600px) {
    .modal-content { max-height: 90vh; }
    .modal-body { padding: 24px 16px; }
    .modal-title { font-size: 1.1rem; }
}