/* ============================================
   FRIGOPAC - Project Engine (proyecto.html)
   Usa las variables de css/styles.css: no define colores propios salvo los de estado.
   ============================================ */

.page-proyecto {
    --pe-ok: #1F7A4D;
    --pe-ok-bg: #E4F3EA;
    --pe-warn: #9A6200;
    --pe-warn-bg: #FBF0DA;
    --pe-crit: #B3261E;
    --pe-crit-bg: #FBE4E2;
    --pe-card-border: var(--color-gray-200);
    --pe-muted: var(--color-gray-600);
    background: var(--color-gray-100);
}

/* El botón flotante de WhatsApp se cambia por el de "Cotizar mi proyecto" */
.page-proyecto .whatsapp-float { display: none; }

.pe-container {
    max-width: 1240px;
    margin: 0 auto;
    padding-inline: var(--space-md);
}

/* ── Encabezado ── */
.pe-hero {
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-bottom: var(--space-2xl);
    background:
        radial-gradient(120% 140% at 85% 0%, rgba(0, 180, 216, 0.18) 0%, rgba(0, 180, 216, 0) 55%),
        linear-gradient(160deg, var(--color-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
    color: var(--color-white);
}
.pe-hero__eyebrow {
    font-family: var(--font-accent);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}
.pe-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6vw, var(--text-5xl));
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-wrap: balance;
}
.pe-hero__lead {
    margin-top: var(--space-sm);
    max-width: 60ch;
    font-size: var(--text-lg);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.82);
}
.pe-fases {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-md);
    margin-top: var(--space-lg);
    font-family: var(--font-accent);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.55);
}
.pe-fases__item { display: inline-flex; align-items: center; gap: 0.5rem; }
.pe-fases__item span {
    display: inline-grid; place-items: center;
    width: 1.6rem; height: 1.6rem; border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: var(--text-xs);
}
.pe-fases__item.is-activa { color: var(--color-white); }
.pe-fases__item.is-activa span { background: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-primary); font-weight: 700; }

/* ── Distribución ── */
.pe-main { padding-block: var(--space-xl) calc(var(--space-4xl) + 40px); }
.pe-layout { display: grid; gap: var(--space-lg); align-items: start; }
@media (min-width: 1024px) {
    .pe-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: var(--space-xl); }
    .pe-results { position: sticky; top: calc(var(--header-height) + var(--space-md)); max-height: calc(100vh - var(--header-height) - var(--space-lg)); overflow-y: auto; scrollbar-width: thin; }
    .pe-main { padding-bottom: var(--space-4xl); }
}

/* ── Configurador ── */
.pe-config { display: flex; flex-direction: column; gap: var(--space-md); }
.pe-card {
    border: 1px solid var(--pe-card-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    padding: var(--space-lg) var(--space-md) var(--space-md);
    min-width: 0;
    display: flex; flex-direction: column; gap: var(--space-sm);
}
@media (min-width: 640px) { .pe-card { padding: var(--space-lg); } }
.pe-card__title {
    display: flex; align-items: baseline; gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-primary);
    padding: 0;
    float: left; width: 100%; margin-bottom: var(--space-xs);
}
.pe-card__title + * { clear: both; }
.pe-card__num { font-size: var(--text-xs); color: var(--color-secondary); letter-spacing: 0.1em; font-weight: 600; }

.pe-label { font-size: var(--text-sm); font-weight: 500; color: var(--color-gray-800); margin-top: var(--space-xs); }
.pe-hint { font-size: var(--text-sm); color: var(--pe-muted); line-height: 1.5; }

.pe-select, .pe-input {
    width: 100%;
    font: inherit;
    font-size: var(--text-base);
    color: var(--color-gray-800);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    padding: 0.7rem 0.85rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.pe-select:focus, .pe-input:focus { outline: none; border-color: var(--color-secondary); box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.2); }
.pe-select--auto { width: auto; }
.pe-inline { display: flex; gap: var(--space-xs); }
.pe-inline .pe-input { flex: 1; min-width: 0; }

/* Categorías */
.pe-cats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-xs); }
@media (min-width: 640px) { .pe-cats { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .pe-cats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1240px) { .pe-cats { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.pe-cat {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.4rem;
    min-height: 84px; padding: 0.6rem 0.25rem;
    border: 1px solid var(--color-gray-200); border-radius: var(--radius-md);
    background: var(--color-gray-100); color: var(--color-gray-600);
    font: inherit; font-size: var(--text-xs); font-weight: 500; text-align: center; line-height: 1.25;
    cursor: pointer; transition: var(--transition-fast);
}
.pe-cat svg { width: 26px; height: 26px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.pe-cat:hover { border-color: var(--color-secondary); color: var(--color-primary); }
.pe-cat[aria-checked="true"] { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }
.pe-cat[aria-checked="true"] svg { stroke: var(--color-secondary); }

/* Selector segmentado */
.pe-seg { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; background: var(--color-gray-100); border: 1px solid var(--color-gray-200); border-radius: var(--radius-md); }
.pe-seg--3 { grid-template-columns: repeat(3, 1fr); }
.pe-seg__btn {
    font: inherit; font-size: var(--text-sm); font-weight: 500;
    padding: 0.6rem 0.5rem; border: 0; border-radius: 6px;
    background: transparent; color: var(--color-gray-600); cursor: pointer; transition: var(--transition-fast);
}
.pe-seg__btn[aria-checked="true"] { background: var(--color-white); color: var(--color-primary); box-shadow: var(--shadow-sm), 0 0 0 1px var(--color-gray-200); font-weight: 600; }
.pe-seg__btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Sliders */
.pe-slider { display: flex; flex-direction: column; gap: 0.35rem; margin-top: var(--space-xs); }
.pe-slider__head { display: flex; justify-content: space-between; align-items: baseline; font-size: var(--text-sm); font-weight: 500; color: var(--color-gray-800); }
.pe-slider__head output { font-family: var(--font-accent); font-weight: 600; color: var(--color-primary); font-variant-numeric: tabular-nums; }
.pe-slider input[type="range"] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 28px; background: transparent; cursor: pointer;
    --pct: 50%;
}
.pe-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 6px; border-radius: 3px;
    background: linear-gradient(to right, var(--color-secondary) var(--pct), var(--color-gray-200) var(--pct));
}
.pe-slider input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--color-gray-200); }
.pe-slider input[type="range"]::-moz-range-progress { height: 6px; border-radius: 3px; background: var(--color-secondary); }
.pe-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; width: 22px; height: 22px; margin-top: -8px; border-radius: 50%;
    background: var(--color-white); border: 2px solid var(--color-primary); box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}
.pe-slider input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--color-white); border: 2px solid var(--color-primary); }
.pe-slider input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.12); }
.pe-slider input[type="range"]:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; border-radius: 4px; }
.pe-seg__btn:focus-visible, .pe-cat:focus-visible, .pe-btn:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 2px; }

/* ── Resultados ── */
.pe-results { display: flex; flex-direction: column; gap: var(--space-sm); }
.pe-res {
    background: var(--color-white);
    border: 1px solid var(--pe-card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    min-width: 0;
}
.pe-res--hero {
    background: linear-gradient(150deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-color: transparent;
    color: var(--color-white);
    padding: var(--space-lg) var(--space-md);
}
.pe-res__top { display: flex; justify-content: space-between; align-items: center; gap: var(--space-xs); }
.pe-res__label { font-family: var(--font-accent); font-size: var(--text-xs); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pe-muted); }
.pe-res--hero .pe-res__label { color: rgba(255, 255, 255, 0.7); }
.pe-res__big { font-family: var(--font-heading); font-size: clamp(2.4rem, 7vw, 3.4rem); font-weight: 600; line-height: 1.05; margin-top: var(--space-xs); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.pe-res__big small, .pe-res__mid small { font-size: 0.42em; font-weight: 500; opacity: 0.75; letter-spacing: 0; }
.pe-res__mid { font-family: var(--font-heading); font-size: var(--text-3xl); font-weight: 600; color: var(--color-primary); margin-top: 0.3rem; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.pe-res__sub { font-size: var(--text-sm); color: var(--pe-muted); margin-top: 0.3rem; line-height: 1.5; }
.pe-res--hero .pe-res__sub { color: rgba(255, 255, 255, 0.8); }
.pe-res__note { font-size: var(--text-xs); line-height: 1.55; color: rgba(255, 255, 255, 0.62); margin-top: var(--space-sm); padding-top: var(--space-sm); border-top: 1px solid rgba(255, 255, 255, 0.14); }

.pe-res-grid { display: grid; gap: var(--space-sm); grid-template-columns: 1fr; }
@media (min-width: 560px) { .pe-res-grid { grid-template-columns: 1fr 1fr; } }

/* Confianza */
.pe-conf { font-size: var(--text-xs); font-weight: 600; padding: 0.2rem 0.6rem; border-radius: var(--radius-full); white-space: nowrap; }
.pe-conf[data-nivel="alta"] { background: var(--pe-ok-bg); color: var(--pe-ok); }
.pe-conf[data-nivel="media"] { background: var(--pe-warn-bg); color: var(--pe-warn); }
.pe-conf[data-nivel="baja"] { background: var(--pe-crit-bg); color: var(--pe-crit); }

/* Ocupación */
.pe-ocup { margin-top: var(--space-sm); }
.pe-ocup__bar { height: 8px; border-radius: 4px; background: var(--color-gray-200); overflow: hidden; }
.pe-ocup__bar i { display: block; height: 100%; width: 0; background: var(--color-primary-light); border-radius: 4px; transition: width var(--transition-slow); }
.pe-ocup[data-estado="lleno"] .pe-ocup__bar i { background: var(--pe-warn); }
.pe-ocup[data-estado="no_cabe"] .pe-ocup__bar i { background: var(--pe-crit); }

/* Barras de meses (una serie, un color) */
.pe-meses { display: grid; grid-template-columns: repeat(12, 1fr); gap: 2px; align-items: end; height: 56px; margin-top: var(--space-sm); }
.pe-mes { position: relative; height: 100%; display: flex; align-items: flex-end; }
.pe-mes i { display: block; width: 100%; background: var(--color-primary-light); border-radius: 3px 3px 0 0; min-height: 2px; transition: height var(--transition-slow); }
.pe-mes.is-max i { background: var(--color-secondary); }
.pe-mes span { position: absolute; bottom: -1.2rem; left: 0; right: 0; text-align: center; font-size: 9px; color: var(--pe-muted); text-transform: uppercase; }
.pe-meses { margin-bottom: 1.3rem; }
.pe-mes:hover::after {
    content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    background: var(--color-gray-800); color: var(--color-white); font-size: 11px; padding: 3px 7px; border-radius: 4px; white-space: nowrap; z-index: 2; pointer-events: none;
}

/* Desglose de carga */
.pe-desglose { display: flex; flex-direction: column; gap: 0.6rem; margin-top: var(--space-sm); }
.pe-fila { display: grid; grid-template-columns: minmax(0, 9rem) 1fr 3rem; gap: var(--space-xs); align-items: center; font-size: var(--text-sm); color: var(--color-gray-800); }
.pe-fila__bar { height: 10px; background: var(--color-gray-100); border-radius: 0 4px 4px 0; overflow: hidden; }
.pe-fila__bar i { display: block; height: 100%; background: var(--color-primary-light); border-radius: 0 4px 4px 0; transition: width var(--transition-slow); }
.pe-fila.is-max .pe-fila__bar i { background: var(--color-secondary); }
.pe-fila__pct { text-align: right; font-variant-numeric: tabular-nums; color: var(--pe-muted); }

/* Listas */
.pe-list { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-gray-800); }
.pe-list li { display: flex; justify-content: space-between; gap: var(--space-sm); line-height: 1.45; }
.pe-list li b { font-weight: 600; color: var(--pe-ok); white-space: nowrap; font-variant-numeric: tabular-nums; }
.pe-list--sup li { display: grid; grid-template-columns: 1fr auto; }
.pe-list--sup em { font-style: normal; font-size: var(--text-xs); color: var(--pe-muted); grid-column: 1 / -1; }
.pe-alertas { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; margin-top: var(--space-sm); }
.pe-alerta { font-size: var(--text-sm); line-height: 1.5; padding: 0.6rem 0.75rem; border-radius: var(--radius-md); background: var(--color-gray-100); color: var(--color-gray-800); border-left: 3px solid var(--color-gray-300); }
.pe-alerta[data-nivel="advertencia"] { background: var(--pe-warn-bg); border-left-color: var(--pe-warn); }
.pe-alerta[data-nivel="critica"], .pe-alerta[data-nivel="critico"] { background: var(--pe-crit-bg); border-left-color: var(--pe-crit); }
.pe-alerta strong { display: block; font-size: var(--text-xs); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 0.15rem; }

.pe-supuestos summary { cursor: pointer; font-family: var(--font-accent); font-size: var(--text-sm); font-weight: 600; color: var(--color-primary); list-style: none; display: flex; justify-content: space-between; }
.pe-supuestos summary::-webkit-details-marker { display: none; }
.pe-supuestos summary::after { content: "+"; font-size: var(--text-lg); line-height: 1; color: var(--color-secondary); }
.pe-supuestos[open] summary::after { content: "–"; }

/* Llamado a la acción */
.pe-cta { display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-md); border-radius: var(--radius-lg); background: var(--color-white); border: 1px solid var(--pe-card-border); }
.pe-cta__txt { font-size: var(--text-sm); color: var(--color-gray-800); line-height: 1.55; }
.pe-cta__txt:empty { display: none; }
.pe-cta__legal { font-size: var(--text-xs); color: var(--pe-muted); line-height: 1.5; }
.pe-btn {
    display: inline-flex; justify-content: center; align-items: center; gap: 0.5rem;
    font-family: var(--font-accent); font-size: var(--text-sm); font-weight: 600;
    padding: 0.95rem 1.25rem; border-radius: var(--radius-full);
    text-decoration: none; transition: var(--transition-base);
}
.pe-btn--primary { background: var(--color-primary); color: var(--color-white); }
.pe-btn--primary:hover { background: var(--color-primary-light); transform: translateY(-1px); box-shadow: var(--shadow-lg); }

/* Barra fija en celular */
.pe-bar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
    display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: var(--space-xs); align-items: center;
    padding: 0.6rem var(--space-md) calc(0.6rem + env(safe-area-inset-bottom, 0px));
    background: rgba(11, 29, 58, 0.96); color: var(--color-white);
    backdrop-filter: blur(8px); box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.18);
    transition: transform var(--transition-base);
}
.pe-bar small { display: block; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
.pe-bar strong { display: block; font-family: var(--font-accent); font-size: var(--text-sm); font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pe-bar__btn { font-family: var(--font-accent); font-size: var(--text-xs); font-weight: 600; color: var(--color-primary); background: var(--color-secondary); padding: 0.55rem 0.9rem; border-radius: var(--radius-full); text-decoration: none; }
.pe-bar.is-oculta { transform: translateY(110%); }
@media (min-width: 1024px) { .pe-bar { display: none; } }

/* Números que cambian */
.pe-flash { animation: pe-flash 0.6s ease; }
@keyframes pe-flash { 0% { opacity: 0.35; } 100% { opacity: 1; } }

@media (prefers-reduced-motion: reduce) {
    .pe-flash { animation: none; }
    .pe-ocup__bar i, .pe-mes i, .pe-fila__bar i, .pe-bar { transition: none; }
}