/* ═══════════════════════════════════════════════════════════
   calculadora.css — Página /calculadora (calculadora de alimento).
   Complementa landing.css (reusa variables, nav, WhatsApp flotante).
   Estética navy/glass, igual que catalogo.css. Modular. NO toca landing.css.
   ═══════════════════════════════════════════════════════════ */

.calc-wrap { max-width: 940px; margin: 0 auto; padding: 8px 20px 20px; }

.calc {
    background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr;
}
@media (min-width: 780px) { .calc { grid-template-columns: 1.1fr .9fr; } }

.calc-body { padding: 24px 22px; display: flex; flex-direction: column; gap: 20px; }

.calc-field label { display: block; font-size: 14px; font-weight: 650; margin-bottom: 10px; }
.calc-field .hint { color: var(--text-muted); font-weight: 500; }

/* Botones de etapa */
.calc-etapas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 420px) { .calc-etapas { grid-template-columns: repeat(2, 1fr); } }
.etapa-btn {
    display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    color: #fff; border-radius: var(--radius-sm); padding: 10px 12px;
    font-size: 14px; font-weight: 650; cursor: pointer; text-align: left;
    transition: border-color .15s, background .15s;
}
.etapa-btn small { font-size: 11px; font-weight: 500; color: var(--text-muted); }
.etapa-btn:hover { border-color: rgba(79,142,247,.4); }
.etapa-btn[aria-pressed="true"] {
    background: rgba(79,142,247,.16); border-color: var(--blue-light);
}
.etapa-btn[aria-pressed="true"] small { color: #bfd6ff; }

/* Stepper y inputs */
.calc-stepper { display: inline-flex; align-items: stretch; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--glass-border); }
.calc-stepper button {
    width: 46px; background: var(--glass-bg); color: #fff; border: 0; font-size: 22px; cursor: pointer;
    transition: background .15s;
}
.calc-stepper button:hover { background: rgba(79,142,247,.18); }
.calc-stepper input, .saco-input {
    width: 92px; text-align: center; background: rgba(6,16,42,.5); border: 0;
    color: #fff; font-size: 17px; font-weight: 700; padding: 12px 6px;
    -moz-appearance: textfield;
}
.calc-stepper input::-webkit-outer-spin-button, .calc-stepper input::-webkit-inner-spin-button,
.saco-input::-webkit-outer-spin-button, .saco-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.saco-input {
    width: 110px; border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
    text-align: left; padding: 12px 14px;
}

.calc-field-lechones { display: none; }
.calc-field-lechones.show { display: block; }

/* Panel de resultado */
.calc-result {
    background: linear-gradient(160deg, var(--navy-mid), var(--navy));
    padding: 24px 22px; display: flex; flex-direction: column; gap: 14px;
    border-top: 1px solid var(--glass-border);
}
@media (min-width: 780px) { .calc-result { border-top: 0; border-left: 1px solid var(--glass-border); } }
.calc-result .cap { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--blue-light); font-weight: 700; }
.calc-result .per { color: var(--text-muted); font-size: 13.5px; }
.calc-result .big { font-size: clamp(26px, 6vw, 34px); font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.calc-result .big span { font-size: 15px; font-weight: 600; color: var(--text-muted); display: block; margin-top: 2px; }
.calc-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }
.rcard { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-sm); padding: 12px 14px; }
.rcard b { display: block; font-size: 22px; font-weight: 800; }
.rcard span { font-size: 12.5px; color: var(--text-muted); }

/* Promo de la app dentro del resultado */
.calc-promo {
    display: flex; gap: 12px; align-items: flex-start; margin-top: 6px;
    background: rgba(79,142,247,.10); border: 1px solid rgba(79,142,247,.28);
    border-radius: var(--radius-sm); padding: 14px 16px;
}
.calc-promo svg { color: var(--blue-light); flex: 0 0 auto; margin-top: 2px; }
.calc-promo b { font-size: 14.5px; }
.calc-promo p { color: var(--text-muted); font-size: 13px; line-height: 1.5; margin: 4px 0 8px; }
.calc-promo a { color: var(--blue-light); font-weight: 700; font-size: 13.5px; text-decoration: none; }
.calc-promo a:hover { text-decoration: underline; }

.calc-disclaimer { color: var(--text-muted); font-size: 12.5px; text-align: center; max-width: 620px; margin: 18px auto 0; line-height: 1.5; }

/* Fila "sigue explorando" — llena el ancho en desktop + disemina links */
.calc-explora { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 680px) { .calc-explora { grid-template-columns: 1fr; } }
.calc-ex-card {
    display: flex; flex-direction: column; gap: 4px;
    padding: 22px 20px; border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.02));
    border: 1px solid var(--glass-border); text-decoration: none; color: #fff;
    transition: transform .18s ease, border-color .18s ease;
}
.calc-ex-card:hover { transform: translateY(-4px); border-color: rgba(79,142,247,.4); color: #fff; text-decoration: none; }
.calc-ex-emoji svg { display: block; }
.calc-ex-card b { font-size: 16px; font-weight: 700; margin-top: 4px; }
.calc-ex-card small { color: var(--text-muted); font-size: 13.5px; line-height: 1.45; }
.calc-ex-card span.go { color: var(--blue-light); font-weight: 700; font-size: 13.5px; margin-top: 6px; }