/* ============================================================================
   bHealthy — Public Site (Spec 003)
   Proyecto: MedicalAdmin.PublicWeb (nombre de assembly preservado)
   Design system propio. Tokens definidos localmente (no dependen del privado).
   ============================================================================ */

:root {
    /* Color */
    --color-surface: #f6f8fb;
    --color-surface-elevated: #ffffff;
    --color-border: #e3e8ef;
    --color-border-strong: #c9d1db;
    --color-text: #1f2937;
    --color-text-muted: #5b6b7d;

    --color-primary: #0d7c93;
    --color-primary-hover: #0a6577;
    --color-primary-strong: #074552;
    --color-primary-soft: #e1f1f5;

    --color-success: #1f7a4a;
    --color-warning: #a86200;
    --color-warning-soft: #fdf1d8;
    --color-danger: #b3261e;

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter",
                 "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.25rem;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-relaxed: 1.7;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 2rem;
    --space-8: 3rem;

    /* Radius / shadow */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }

body.public-shell {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.5;
}

.public-content { flex: 1; }

/* ---------- Header ---------- */
.public-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--color-border);
}

.public-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.public-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-primary-strong);
    font-weight: var(--font-weight-bold);
    font-size: 1.1rem;
}

.public-brand-logo {
    height: 36px;
    width: auto;
    display: block;
}

.public-brand i {
    color: var(--color-primary);
    font-size: 1.4rem;
}

.public-nav {
    display: flex;
    gap: var(--space-5);
    margin-left: auto;
}

.public-nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    padding: var(--space-2) 0;
    border-bottom: 2px solid transparent;
    transition: color .15s, border-color .15s;
}

.public-nav-link:hover { color: var(--color-primary); }

.public-nav-link.active {
    color: var(--color-primary-strong);
    border-bottom-color: var(--color-primary);
}

.public-header-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary);
    color: #fff !important;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: background .15s;
}

.public-header-cta:hover { background: var(--color-primary-hover); color: #fff; }

@media (max-width: 900px) {
    .public-nav { display: none; }
    .public-header-inner { gap: var(--space-3); flex-wrap: wrap; }
}

/* ---------- Hero ---------- */
.public-hero {
    background: linear-gradient(135deg, var(--color-primary-soft) 0%, var(--color-surface) 100%);
    padding: var(--space-8) var(--space-5);
}

.public-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-8);
    align-items: center;
}

@media (max-width: 900px) {
    .public-hero-inner { grid-template-columns: 1fr; }
    .public-hero { padding: var(--space-7) var(--space-5); }
}

.public-hero-badge {
    display: inline-block;
    background: var(--color-surface-elevated);
    color: var(--color-primary-strong);
    border: 1px solid var(--color-primary-soft);
    border-radius: var(--radius-pill);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-4);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.public-hero h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.75rem);
    line-height: 1.15;
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-4) 0;
    color: var(--color-primary-strong);
}

.public-hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    margin: 0 0 var(--space-6) 0;
    max-width: 56ch;
}

.public-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.public-hero-illustration {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.public-hero-illustration-img {
    width: 100%;
    height: auto;
    max-width: 480px;
    display: block;
}

/* ---------- Buttons ---------- */
.btn-public-primary,
.btn-public-secondary {
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    transition: background .15s, color .15s;
    cursor: pointer;
    border: none;
}

.btn-public-primary { background: var(--color-primary); color: #fff; }
.btn-public-primary:hover { background: var(--color-primary-hover); color: #fff; }

.btn-public-secondary {
    background: transparent;
    color: var(--color-primary-strong);
    border: 1.5px solid var(--color-primary);
    padding: calc(var(--space-3) - 1.5px) calc(var(--space-5) - 1.5px);
}
.btn-public-secondary:hover { background: var(--color-primary-soft); }

/* ---------- Sections ---------- */
.public-section { padding: var(--space-8) var(--space-5); }
.public-section-inner { max-width: 1200px; margin: 0 auto; }
.public-section-alt { background: var(--color-surface-elevated); }

.public-section-header {
    text-align: center;
    margin-bottom: var(--space-7);
}

.public-section-eyebrow {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: var(--font-size-xs);
}

.public-section-title {
    font-size: clamp(1.5rem, 2.5vw, 2.1rem);
    font-weight: var(--font-weight-bold);
    margin: var(--space-2) 0 var(--space-3) 0;
    color: var(--color-primary-strong);
}

.public-section-lead {
    color: var(--color-text-muted);
    max-width: 64ch;
    margin: 0 auto;
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

/* ---------- Feature grid ---------- */
.public-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--space-5);
}

.public-feature {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: transform .15s, box-shadow .15s;
}

.public-feature:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.public-feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-primary-soft);
    color: var(--color-primary-strong);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: var(--space-3);
}

.public-feature h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0 0 var(--space-2) 0;
}

.public-feature p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    margin: 0;
}

/* ---------- Audience cards ---------- */
.public-audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
}

.public-audience-card {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    box-shadow: var(--shadow-sm);
}

.public-audience-card .audience-icon {
    width: 52px;
    height: 52px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

.public-audience-card h3 {
    margin: 0;
    color: var(--color-primary-strong);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
}

.public-audience-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.public-audience-card ul li {
    padding-left: 1.4em;
    position: relative;
    margin-bottom: var(--space-2);
}

.public-audience-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

.public-audience-card .audience-link {
    margin-top: auto;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.public-audience-card .audience-link:hover { text-decoration: underline; }

/* ---------- Steps (how it works) ---------- */
.public-steps-block { margin-bottom: var(--space-8); }

.public-steps-title {
    color: var(--color-primary-strong);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0 0 var(--space-5) 0;
}

.public-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-5);
    counter-reset: step;
}

.public-step {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    position: relative;
    counter-increment: step;
}

.public-step::before {
    content: counter(step);
    position: absolute;
    top: -16px;
    left: var(--space-5);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
}

.public-step h4 {
    margin: var(--space-3) 0 var(--space-2) 0;
    font-size: var(--font-size-lg);
}

.public-step p {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

/* ---------- Testimonials ---------- */
.public-testimonial {
    background: var(--color-surface-elevated);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    font-style: italic;
    color: var(--color-text);
    margin: 0;
}

.public-testimonial cite {
    display: block;
    margin-top: var(--space-3);
    font-style: normal;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.public-testimonial cite strong { color: var(--color-text); }

.public-testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
}

/* ---------- Pricing ---------- */
.public-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-5);
}

.public-plan {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.public-plan.featured {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.public-plan-name {
    color: var(--color-primary-strong);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin: 0;
}

.public-plan-tagline {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin: 0;
}

.public-plan ul {
    list-style: none;
    padding: 0;
    margin: var(--space-2) 0;
    flex: 1;
}

.public-plan ul li {
    padding-left: 1.4em;
    position: relative;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.public-plan ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: var(--font-weight-bold);
}

/* ---------- CTA banner ---------- */
.public-cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-7);
    text-align: center;
}

.public-cta-banner h2 {
    color: #fff;
    margin: 0 0 var(--space-3) 0;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
}

.public-cta-banner p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--space-5) 0;
    font-size: var(--font-size-lg);
}

.public-cta-banner .btn-public-primary {
    background: #fff;
    color: var(--color-primary-strong);
}

.public-cta-banner .btn-public-primary:hover {
    background: var(--color-surface);
    color: var(--color-primary-strong);
}

/* ---------- FAQ ---------- */
.public-faq-group { margin-bottom: var(--space-7); }

.public-faq-group h3 {
    color: var(--color-primary-strong);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
}

.public-faq-item {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    overflow: hidden;
}

.public-faq-item summary {
    cursor: pointer;
    padding: var(--space-4) var(--space-5);
    font-weight: var(--font-weight-semibold);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.public-faq-item summary::-webkit-details-marker { display: none; }

.public-faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: transform .15s;
}

.public-faq-item[open] summary::after { transform: rotate(45deg); }

.public-faq-item .faq-answer {
    padding: 0 var(--space-5) var(--space-4) var(--space-5);
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-sm);
}

/* ---------- Contact form ---------- */
.public-form {
    background: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    max-width: 720px;
    margin: 0 auto;
}

.public-form .form-label {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.public-form .form-control:focus,
.public-form .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.public-form .text-danger { font-size: var(--font-size-xs); }

.public-form .form-error-summary {
    background: #fbe5e3;
    border-left: 4px solid var(--color-danger);
    color: var(--color-danger);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-5);
    font-size: var(--font-size-sm);
}

/* ---------- Legal / prose ---------- */
.public-prose {
    max-width: 760px;
    margin: 0 auto;
}

.public-prose h2 {
    color: var(--color-primary-strong);
    font-size: var(--font-size-xl);
    margin-top: var(--space-6);
}

.public-prose h3 {
    font-size: var(--font-size-lg);
    margin-top: var(--space-5);
}

.public-prose p, .public-prose li {
    line-height: var(--line-height-relaxed);
}

.legal-draft-notice {
    background: var(--color-warning-soft);
    border-left: 4px solid var(--color-warning);
    color: var(--color-warning);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-6);
    font-size: var(--font-size-sm);
}

/* ---------- Footer ---------- */
.public-footer {
    background: var(--color-primary-strong);
    color: #cfe1e6;
    padding: var(--space-7) var(--space-5) var(--space-5) var(--space-5);
    margin-top: var(--space-8);
}

.public-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: var(--space-6);
}

@media (max-width: 800px) {
    .public-footer-inner { grid-template-columns: 1fr 1fr; }
}

.public-footer-brand {
    color: #fff;
    font-weight: var(--font-weight-bold);
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.public-footer-logo {
    height: 40px;
    width: auto;
    display: block;
    /* En el footer (fondo oscuro) el wordmark del SVG está en azul; usamos brillo + contraste para asegurar legibilidad sin reemplazar el asset. */
    filter: brightness(0) invert(1);
}

.public-footer-tagline {
    color: #a7e8f2;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin: 0 0 var(--space-3) 0;
    letter-spacing: 0.02em;
}

.public-footer-description {
    color: #a9c7cf;
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.public-footer-description a { color: #fff; }

.public-footer h4 {
    color: #fff;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 var(--space-3) 0;
}

.public-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.public-footer ul li { margin-bottom: var(--space-2); }

.public-footer a {
    color: #cfe1e6;
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.public-footer a:hover { color: #fff; text-decoration: underline; }

.public-footer-bottom {
    max-width: 1200px;
    margin: var(--space-6) auto 0 auto;
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    color: #a9c7cf;
    font-size: var(--font-size-xs);
}

.public-footer-social {
    display: inline-flex;
    gap: var(--space-3);
}

.public-footer-social a {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
}