/* =============================================
   kinetifmd — Estilos globales
   Fuente: Barlow (Google Fonts)
   Paleta: blanco / #333333 / naranja #E85D26
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Barlow:wght@300;400;500;600;700&display=swap');

:root {
    --orange:  #E85D26;
    --dark:    #333333;
    --gray:    #666666;
    --light:   #f5f5f5;
    --border:  #dddddd;
    --white:   #ffffff;
    --radius:  6px;
    --shadow:  0 2px 8px rgba(0,0,0,.08);
}

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

html { font-size: 16px; }

body {
    font-family: 'Barlow', sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

/* ---- Layout ---- */
.container {
    max-width: 860px;
    margin: 0 auto;
    padding: 0 0px;
}

/* ---- Header sticky ---- */
.site-header {
    background: var(--white);
    border-bottom: 3px solid var(--orange);
    padding: 14px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow .25s, padding .25s;
}
.site-header.scrolled {
    box-shadow: 0 3px 14px rgba(0,0,0,.13);
    padding: 8px 0;
}
.site-header.scrolled img { height: 34px; }
.site-header.scrolled h1  { font-size: 1rem; }

.site-header .inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    gap: 16px;
}
.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}
.site-header img {
    height: 44px;
    transition: height .25s;
}
.site-header h1 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--dark);
    transition: font-size .25s;
}

/* Header right — contacto */
.header-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
    line-height: 1.3;
}
.hdr-contact-label {
    font-size: .75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--orange);
}
.hdr-contact-item {
    font-size: .82rem;
    color: var(--dark);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color .15s;
}
.hdr-contact-item i { color: var(--orange); font-size: .8rem; }
.hdr-contact-item:hover { color: var(--orange); }
.site-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
}

/* ---- Tarjeta / Card ---- */
.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 40px;
    margin: 20px auto;
}

/* ---- Títulos ---- */
h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }

/* Caracterización — título de sección grande */
h3.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 28px 0 14px;
    border-bottom: 2px solid var(--orange);
    padding-bottom: 8px;
}

/* Títulos de categoría — mismo tamaño que h2 principal */
h3.cat-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0 0 10px;
    border-bottom: 2px solid var(--orange);
    padding-bottom: 8px;
}

h4 { font-size: 1rem; font-weight: 600; margin-bottom: 10px; }

/* ---- Preguntas en negrita ---- */
.question-block p { font-size: .97rem; font-weight: 700; margin-bottom: 7px; }

/* ---- Select: opción seleccionada → fondo naranja muy suave ---- */
select.answered {
    background-color: #fff5f0;
    border-color: var(--orange);
}

/* ---- Check visual en question-block cuando respondido ---- */
.question-block.done label.check-marker {
    display: inline-block;
    color: var(--orange);
    font-size: .8rem;
    margin-left: 6px;
}

/* ---- Formulario ---- */
.form-group { margin-bottom: 20px; }
label { display: block; font-weight: 500; margin-bottom: 5px; font-size: .92rem; }
label .req { color: var(--orange); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: 'Barlow', sans-serif;
    font-size: .95rem;
    color: var(--dark);
    background: var(--white);
    transition: border-color .2s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--orange);
}
input[readonly] { background: var(--light); cursor: default; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- Botones ---- */
.btn {
    display: inline-block;
    padding: 11px 28px;
    border-radius: var(--radius);
    font-family: 'Barlow', sans-serif;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: opacity .2s;
}
.btn:hover { opacity: .88; }
.btn-primary  { background: var(--orange); color: var(--white); }
.btn-secondary{ background: var(--light);  color: var(--dark); border: 1px solid var(--border); }
.btn-danger   { background: #c0392b; color: var(--white); }
.btn-sm { padding: 6px 14px; font-size: .85rem; }

/* ---- Alertas ---- */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: .92rem;
}
.alert-error   { background: #fdecea; border: 1px solid #f5c6cb; color: #721c24; }
.alert-success { background: #e8f5e9; border: 1px solid #c3e6cb; color: #155724; }
.alert-info    { background: #e8f0fe; border: 1px solid #b8d0f8; color: #1a3a6b; }

/* ---- Captcha matemático ---- */
.captcha-box {
    display: flex;
    align-items: center;
    gap: 12px;
}
.captcha-box .captcha-question {
    background: var(--light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 16px;
    font-weight: 600;
    font-size: 1rem;
    white-space: nowrap;
}
.captcha-box input { max-width: 90px; }

/* ---- Checkbox confirmación ---- */
.check-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 14px 0;
}
.check-group input[type="checkbox"] {
    width: 18px; height: 18px;
    margin-top: 2px;
    cursor: pointer;
    accent-color: var(--orange);
    flex-shrink: 0;
}
.check-group label { font-size: .93rem; margin: 0; cursor: pointer; }

/* ---- Nota pequeña ---- */
.note { font-size: .82rem; color: var(--gray); margin-top: 6px; }

/* ---- Sección diagnóstico ---- */
.diag-section { margin-bottom: 36px; }
.question-block { margin-bottom: 18px; }
.question-block p { font-size: .93rem; margin-bottom: 6px; }

/* ---- Footer ---- */
.site-footer {
    text-align: center;
    padding: 20px 0;
    font-size: .82rem;
    color: var(--gray);
    border-top: 1px solid var(--border);
    margin-top: 10px;
}

/* ---- Pantalla de bloqueo ---- */
.blocked-screen {
    text-align: center;
    padding: 60px 20px;
}
.blocked-screen h2 { color: var(--orange); margin-bottom: 16px; }
.blocked-screen p  { color: var(--gray); margin-bottom: 24px; }

/* ---- Admin ---- */
.admin-nav {
    background: var(--dark);
    padding: 0;
}
.admin-nav ul { list-style: none; display: flex; max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.admin-nav a  { display: block; padding: 14px 20px; color: var(--white); text-decoration: none; font-size: .92rem; font-weight: 500; }
.admin-nav a:hover, .admin-nav a.active { color: var(--orange); }

.admin-wrap { max-width: 1100px; margin: 32px auto; padding: 0 20px; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: var(--light); font-weight: 600; }
tr:hover td { background: #fafafa; }

/* Responsive básico */
@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
    .card { padding: 24px 18px; }
    .admin-nav ul { flex-direction: column; }
}