@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Public+Sans:wght@400;500;600;700&display=swap');

:root {
    --kc-ink: #211D19;
    --kc-charcoal: #1A1714;
    --kc-backdrop: #14100E;
    --kc-ivory: #FAF6EF;
    --kc-ivory-dim: #F1EAE0;
    --kc-copper: #B8763D;
    --kc-copper-deep: #8A5324;
    --kc-copper-pale: #E7C9A3;
    --kc-line: rgba(184,118,61,0.28);
    --kc-radius: 20px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Public Sans', Arial, sans-serif;
    color: var(--kc-ink);
    background: var(--kc-backdrop);
}

.kc-scene {
    min-height: 100vh;
    padding: 56px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 900px 600px at 50% -10%, rgba(184,118,61,0.22), transparent 60%),
        radial-gradient(ellipse 700px 500px at 100% 100%, rgba(184,118,61,0.10), transparent 65%),
        var(--kc-backdrop);
}

/* Silueta decorativa (dos anillos finos), muy sutil — no compite con el contenido.
   Si más adelante quieres reemplazarlo por una foto real de tienda, cambia el
   "background" de .kc-scene arriba por: background-image: url('assets/img/tienda.jpg');
   background-size: cover; background-position: center; y agrega un overlay oscuro. */
.kc-scene::before {
    content: "";
    position: absolute;
    width: 620px;
    height: 620px;
    right: -220px;
    bottom: -220px;
    border: 1.5px solid rgba(184,118,61,0.16);
    border-radius: 50%;
    pointer-events: none;
}
.kc-scene::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    left: -160px;
    top: -160px;
    border: 1.5px solid rgba(184,118,61,0.10);
    border-radius: 50%;
    pointer-events: none;
}

.kc-card {
    position: relative;
    width: 100%;
    max-width: 560px;
    background: var(--kc-ivory);
    border-radius: var(--kc-radius);
    border-top: 3px solid var(--kc-copper);
    box-shadow: 0 30px 70px rgba(10,7,5,0.45), 0 2px 0 rgba(255,255,255,0.4) inset;
    overflow: hidden;
}

.kc-card__brand {
    padding: 30px 34px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid rgba(184,118,61,0.18);
}

.kc-mark {
    flex: none;
    border: 1.5px solid var(--kc-charcoal);
    color: var(--kc-charcoal);
    font-family: 'Public Sans', sans-serif;
    font-weight: 700;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-align: center;
    line-height: 1.25;
    padding: 7px 10px;
    border-radius: 2px;
}

.kc-logo {
    flex: none;
    width: 58px;
    height: 58px;
    border-radius: 6px;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.kc-brand-text h1 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
    font-size: 1.5rem;
    line-height: 1.15;
    margin: 0 0 3px;
    color: var(--kc-charcoal);
}

.kc-brand-text p {
    margin: 0;
    font-size: 0.82rem;
    color: #8A7C6D;
}

.kc-body {
    padding: 30px 34px 34px;
}

.kc-intro {
    font-size: 0.92rem;
    line-height: 1.5;
    color: #5B4F44;
    margin: 0 0 26px;
}

.kc-field { margin-bottom: 30px; }

.kc-label {
    display: block;
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
    font-size: 1.08rem;
    color: var(--kc-charcoal);
    margin-bottom: 14px;
    line-height: 1.35;
}

.kc-required { color: var(--kc-copper-deep); }

.kc-select {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid #E3D8C8;
    border-radius: 10px;
    background: #fff;
    font-family: 'Public Sans', sans-serif;
    font-size: 0.97rem;
    color: var(--kc-ink);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%238A5324' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
}
.kc-select:focus { outline: none; border-color: var(--kc-copper); box-shadow: 0 0 0 3px rgba(184,118,61,0.15); }

.kc-input {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid #E3D8C8;
    border-radius: 10px;
    background: #fff;
    font-family: 'Public Sans', sans-serif;
    font-size: 0.97rem;
    color: var(--kc-ink);
}
.kc-input:focus { outline: none; border-color: var(--kc-copper); box-shadow: 0 0 0 3px rgba(184,118,61,0.15); }

.kc-alert-error {
    background: rgba(196,68,45,0.08);
    border: 1.5px solid rgba(196,68,45,0.3);
    color: #9C3A24;
    font-size: 0.88rem;
    padding: 11px 14px;
    border-radius: 10px;
    margin-bottom: 18px;
}
.kc-alert-info {
    background: rgba(184,118,61,0.08);
    border: 1.5px solid rgba(184,118,61,0.3);
    color: var(--kc-copper-deep);
    font-size: 0.88rem;
    padding: 11px 14px;
    border-radius: 10px;
    margin-bottom: 18px;
}

/* ---------- Slider hero (pregunta NPS principal) ---------- */
.kc-slider-hero {
    background: linear-gradient(180deg, #fff, var(--kc-ivory-dim));
    border: 1px solid #EADFCD;
    border-radius: 16px;
    padding: 26px 24px 20px;
}

.kc-slider-readout {
    text-align: center;
    margin-bottom: 6px;
}
.kc-slider-readout .num {
    font-family: 'Fraunces', Georgia, serif;
    font-size: 3.1rem;
    font-weight: 500;
    color: var(--kc-copper-deep);
    line-height: 1;
}
.kc-slider-readout .num.placeholder { color: #C9BCA9; }
.kc-slider-readout .tag {
    display: block;
    font-size: 0.78rem;
    color: #9A8A76;
    margin-top: 2px;
}

input[type="range"].kc-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 6px;
    margin: 18px 0 10px;
    background: linear-gradient(90deg, #E9DCC8 0%, var(--kc-copper-pale) 45%, var(--kc-copper) 75%, var(--kc-copper-deep) 100%);
}
input[type="range"].kc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--kc-charcoal);
    border: 3px solid var(--kc-ivory);
    box-shadow: 0 2px 8px rgba(0,0,0,0.35);
    cursor: pointer;
    margin-top: -9px;
}
input[type="range"].kc-slider::-moz-range-thumb {
    width: 26px; height: 26px;
    border-radius: 50%;
    background: var(--kc-charcoal);
    border: 3px solid var(--kc-ivory);
    box-shadow: 0 2px 8px rgba(0,0,0,0.35);
    cursor: pointer;
}
input[type="range"].kc-slider::-moz-range-track { height: 8px; border-radius: 6px; background: transparent; }

.kc-slider-scale {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #9A8A76;
}

/* ---------- Opción única (¿qué mejorar?) ---------- */
.kc-option {
    display: flex;
    align-items: center;
    gap: 13px;
    border: 1.5px solid #E3D8C8;
    border-radius: 12px;
    padding: 15px 17px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.kc-option:hover { border-color: var(--kc-copper); }
.kc-option.is-selected { border-color: var(--kc-copper); background: rgba(184,118,61,0.06); }

.kc-option input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px; height: 20px;
    border: 2px solid #C9BCA9;
    border-radius: 50%;
    position: relative;
    flex: none;
    margin: 0;
}
.kc-option input[type="radio"]:checked { border-color: var(--kc-copper-deep); }
.kc-option input[type="radio"]:checked::after {
    content: "";
    position: absolute; inset: 3px;
    background: var(--kc-copper-deep);
    border-radius: 50%;
}
.kc-option span { font-size: 0.95rem; color: var(--kc-ink); font-weight: 500; }

/* ---------- Atributos a calificar (1-10, escala monocroma cobre) ---------- */
.kc-attr {
    border: 1.5px solid #E3D8C8;
    border-radius: 12px;
    padding: 16px 18px;
    margin-bottom: 14px;
}
.kc-attr-label {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--kc-charcoal);
    margin-bottom: 12px;
    display: block;
}
.kc-attr-scale { display: flex; gap: 5px; flex-wrap: wrap; }
.kc-attr-pill {
    flex: 1 1 auto;
    min-width: 30px;
    height: 38px;
    border: 1.5px solid #E3D8C8;
    background: #fff;
    border-radius: 8px;
    font-family: 'Public Sans', sans-serif;
    font-weight: 600;
    font-size: 0.88rem;
    color: #A89A87;
    cursor: pointer;
}
.kc-attr-pill:hover { border-color: var(--kc-copper); }
.kc-attr-pill.is-selected {
    background: var(--kc-copper-deep);
    border-color: var(--kc-copper-deep);
    color: #fff;
}

/* ---------- Botones y CTA ---------- */
.kc-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-family: 'Public Sans', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.1s ease;
}
.kc-btn-primary { background: var(--kc-charcoal); color: var(--kc-ivory); }
.kc-btn-primary:hover:not(:disabled) { background: #2A251F; }
.kc-btn-primary:disabled { background: #D8CDBC; color: #fff; cursor: not-allowed; }
.kc-btn-primary:active:not(:disabled) { transform: scale(0.99); }

.kc-btn-row { display: flex; gap: 12px; align-items: center; margin-top: 8px; }
.kc-btn-ghost {
    padding: 15px 20px;
    border: 1.5px solid #E3D8C8;
    background: transparent;
    border-radius: 10px;
    font-family: 'Public Sans', sans-serif;
    font-weight: 600;
    color: #8A7C6D;
    text-decoration: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
}
.kc-btn-ghost:hover { border-color: var(--kc-copper); color: var(--kc-copper-deep); }

.kc-step-tag {
    display: inline-block;
    font-size: 0.78rem;
    color: var(--kc-copper-deep);
    background: rgba(184,118,61,0.1);
    padding: 4px 11px;
    border-radius: 20px;
    margin-bottom: 14px;
    font-weight: 600;
}

.kc-footer-note {
    text-align: center;
    font-size: 0.76rem;
    color: #A89A87;
    margin: 22px 0 0;
}

/* ---------- Pantalla de agradecimiento ---------- */
.kc-thanks {
    text-align: center;
    padding: 56px 34px;
}
.kc-thanks h2 {
    font-family: 'Fraunces', Georgia, serif;
    font-weight: 500;
    font-size: 1.9rem;
    color: var(--kc-charcoal);
    margin: 22px 0 10px;
}
.kc-thanks p { color: #8A7C6D; font-size: 0.95rem; }

@media (max-width: 480px) {
    .kc-card__brand, .kc-body { padding-left: 22px; padding-right: 22px; }
    .kc-slider-readout .num { font-size: 2.5rem; }
}