/* ================================================
   CALCULADORA ROI - IMEX Lean Project
   Importar DESPUÉS de style.css y bootstrap
   ================================================ */

:root {
    --azul: #003c69;
    --azul-dark: #002a4a;
    --azul-mid: rgba(255, 255, 255, 0.06);
    --azul-border: rgba(255, 255, 255, 0.12);
    --amarillo: #fcd900;
    --amarillo-dim: #ffe96b;
    --blanco: #ffffff;
    --texto-claro: #d9e6f2;
    --texto-dim: rgba(255, 255, 255, 0.55);
}

/* ========================
   CANVAS CIRCUITOS
======================== */
#calc-circuits-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 1;
}

/* ========================
   PÁGINA CONTENEDOR
======================== */
.calc-page {
    background: linear-gradient(135deg, #003c69 0%, #002a4a 100%);
    min-height: 100vh;
    padding: 120px 1rem 4rem;
    position: relative;
    overflow-x: hidden;
    margin: 0;
    display: block;
}

/* Luz radial de fondo */
.calc-page::before {
    content: "";
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(252, 217, 0, 0.12) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    z-index: 0;
    pointer-events: none;
    animation: calcPulseLight 8s infinite alternate ease-in-out;
}

@keyframes calcPulseLight {
    0%   { opacity: .3; transform: scale(1); }
    100% { opacity: .6; transform: scale(1.1); }
}

/* ========================
   REVEAL ANIMATION
======================== */
.calc-reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: all 1s cubic-bezier(.19, 1, .22, 1);
}
.calc-reveal.show {
    opacity: 1;
    transform: translateY(0);
}

/* ========================
   HEADER DE LA CALCULADORA
======================== */
.calc-header {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    border-bottom: 2px solid var(--amarillo);
    padding-bottom: 1rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.calc-eyebrow {
    color: var(--amarillo);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 13px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.calc-titulo {
    font-size: clamp(26px, 5vw, 42px);
    font-weight: 700;
    line-height: 1.1;
    color: var(--blanco);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    position: relative;
    display: inline-block;
    margin: 0;
}

.calc-titulo span { color: var(--amarillo); }

.calc-titulo::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -8px;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--amarillo), var(--amarillo-dim), var(--amarillo));
    transition: width .9s ease, left .9s ease;
}
.calc-reveal.show .calc-titulo::after {
    width: 100%;
    left: 0;
}

.calc-subtitulo {
    font-size: 14px;
    color: var(--texto-claro);
    max-width: 280px;
    line-height: 1.6;
    margin: 0;
}

/* ========================
   TARJETA PRINCIPAL
======================== */
.calc-card {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 16px;
    backdrop-filter: blur(8px);
    overflow: hidden;
}

/* ========================
   SECCIONES INTERNAS
======================== */
.calc-section {
    padding: 1.75rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background .4s cubic-bezier(.19, 1, .22, 1);
}
.calc-section:last-child { border-bottom: none; }
.calc-section:hover { background: rgba(255, 255, 255, 0.04); }

.calc-section-label {
    color: var(--amarillo);
    font-weight: 700;
    letter-spacing: 2px;
    font-size: 13px;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 8px;
}
.calc-section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(255, 255, 255, 0.12);
}

/* ========================
   INPUTS
======================== */
.calc-inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 500px) {
    .calc-inputs-grid { grid-template-columns: 1fr; }
}

.calc-field { display: flex; flex-direction: column; gap: 6px; }

.calc-field label {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--texto-dim);
}

.calc-field select,
.calc-field input[type="number"] {
    padding: 9px 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    font-size: 15px;
    color: var(--blanco);
    background: rgba(255, 255, 255, 0.08);
    transition: border-color 0.2s, background 0.2s;
    width: 100%;
    font-family: inherit;
}
.calc-field select option { background: var(--azul-dark); color: var(--blanco); }
.calc-field select:focus,
.calc-field input[type="number"]:focus {
    outline: none;
    border-color: var(--amarillo);
    background: rgba(252, 217, 0, 0.07);
}

/* ========================
   SLIDERS
======================== */
.calc-slider-group { display: flex; flex-direction: column; gap: 1.1rem; }

.calc-slider-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px;
}
.calc-slider-row label {
    font-size: 13px;
    color: var(--texto-claro);
    margin-bottom: 5px;
    display: block;
}

.calc-slider-row input[type="range"] {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}
.calc-slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--amarillo);
    cursor: pointer;
    border: 2px solid var(--azul-dark);
    box-shadow: 0 0 0 2px var(--amarillo);
}
.calc-slider-row input[type="range"]::-moz-range-thumb {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--amarillo);
    cursor: pointer;
    border: 2px solid var(--azul-dark);
}

.calc-slider-val {
    font-size: 15px;
    font-weight: 700;
    color: var(--amarillo);
    text-align: right;
    min-width: 72px;
    white-space: nowrap;
}

/* ========================
   RESULTADOS
======================== */
.calc-results-section { background: rgba(0, 20, 40, 0.45); }

.calc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.calc-result-card {
    background: rgba(0, 30, 60, 0.6);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: background .3s;
}
.calc-result-card:hover { background: rgba(0, 40, 80, 0.8); }

.calc-result-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--texto-dim);
}

.calc-result-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--amarillo);
    line-height: 1;
}
.calc-result-value.white { color: var(--blanco); }
.calc-result-value.dim   { color: var(--texto-claro); }

/* ========================
   INSIGHT BAR
======================== */
.calc-insight-bar {
    border-left: 3px solid var(--amarillo);
    padding: 0.85rem 1rem;
    background: rgba(252, 217, 0, 0.05);
    border-radius: 0 8px 8px 0;
    margin-bottom: 1.5rem;
}
.calc-insight-bar p {
    font-size: 14px;
    color: var(--texto-claro);
    line-height: 1.6;
    margin: 0;
}
.calc-insight-bar strong { color: var(--amarillo); font-weight: 700; }

/* ========================
   BOTONES CTA
======================== */
.calc-cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
@media (max-width: 480px) {
    .calc-cta-row { grid-template-columns: 1fr; }
}

.calc-btn-primary {
    padding: 13px 20px;
    background: var(--amarillo);
    color: var(--azul-dark) !important;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    text-align: center;
    text-decoration: none !important;
    display: block;
}
.calc-btn-primary:hover {
    background: var(--amarillo-dim);
    transform: translateY(-3px);
    color: var(--azul-dark) !important;
}

.calc-btn-secondary {
    padding: 13px 20px;
    background: transparent;
    color: var(--texto-claro) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
    text-align: center;
    text-decoration: none !important;
    display: block;
}
.calc-btn-secondary:hover {
    border-color: var(--amarillo);
    color: var(--amarillo) !important;
    transform: translateY(-3px);
}

/* ========================
   DISCLAIMER
======================== */
.calc-disclaimer {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 1.25rem auto 0;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
    line-height: 1.7;
}
.calc-disclaimer a { color: var(--amarillo); text-decoration: none; }

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 768px) {
    .calc-page { padding-top: 90px; }
    .calc-titulo { font-size: 24px; }
    .calc-section { padding: 1.25rem 1.25rem; }
}
@media (max-width: 480px) {
    .calc-page { padding-top: 80px; }
}

/* ========================
   FIX: SIN LÍNEA BLANCA
   entre main y footer
======================== */
.calc-page + .footer,
body > .footer {
    margin-top: 0 !important;
    border-top: none !important;
    background: #002a4a !important; /* mismo azul oscuro del gradiente */
}

/* Por si el body tiene background blanco por defecto en otras páginas */
body:has(.calc-page) {
    background: #002a4a;
    margin: 0;
    padding: 0;
}