/* =============================================
   BRUTO A NETO — Design System
   Fuente: Plus Jakarta Sans (bold) + DM Sans
   Paleta: blanco / negro / naranja / azul claro
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,600;0,700;0,800;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── TOKENS ── */
:root {
  --black:   #0A0A0A;
  --white:   #FFFFFF;
  --orange:  #FF6B2B;
  --orange2: #FF8C55;
  --blue:    #4BBCD6;
  --blue2:   #7DD3E8;
  --grey:    #F5F5F5;
  --grey2:   #E8E8E8;
  --grey3:   #888;
  --radius:  14px;
  --shadow:  0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.14);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--white);
  color: var(--black);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ══════════════════════════════════════
   TOPBAR
══════════════════════════════════════ */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 2px solid var(--black);
  position: sticky;
  top: 0;
  background: var(--white);
  z-index: 100;
}

.topbar-brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--black);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-brand .dot-orange { color: var(--orange); }
.topbar-brand .dot-blue   { color: var(--blue); }

.topbar-back {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 2px solid var(--black);
  padding: 6px 14px;
  border-radius: 100px;
  transition: all 0.2s;
}
.topbar-back:hover {
  background: var(--black);
  color: var(--white);
}

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  padding: 80px 40px 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-tag {
  display: inline-block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  border: 2px solid var(--orange);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(42px, 7vw, 80px);
  line-height: 1.0;
  letter-spacing: -2px;
  color: var(--black);
  max-width: 700px;
}

.hero-title .highlight-orange { color: var(--orange); }
.hero-title .highlight-blue   { color: var(--blue); }

.hero-sub {
  margin-top: 20px;
  font-size: 17px;
  color: var(--grey3);
  font-weight: 400;
  max-width: 480px;
  line-height: 1.6;
}

/* Decorative stripe bajo hero */
.stripe {
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--orange) 0, var(--orange) 24px,
    transparent 24px, transparent 32px,
    var(--blue) 32px, var(--blue) 56px,
    transparent 56px, transparent 64px
  );
  margin-top: 48px;
}

/* ══════════════════════════════════════
   DASHBOARD (cards grid)
══════════════════════════════════════ */
.dashboard {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 860px;
  margin: 60px auto;
  padding: 0 24px 80px;
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.app-card {
  border: 2.5px solid var(--black);
  border-radius: var(--radius);
  padding: 32px 28px;
  background: var(--white);
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.app-card::before {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: 0.08;
  transition: all 0.3s;
}

.app-card.orange-accent::before { background: var(--orange); }
.app-card.blue-accent::before   { background: var(--blue); }

.app-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow-hover);
  border-color: var(--orange);
}
.app-card:hover.blue-accent { border-color: var(--blue); }

.card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

.card-icon.orange { background: var(--orange); }
.card-icon.blue   { background: var(--blue); }

.app-card h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 22px;
  margin-bottom: 6px;
  line-height: 1.2;
}

.app-card p {
  font-size: 14px;
  color: var(--grey3);
  line-height: 1.5;
}

.card-arrow {
  position: absolute;
  top: 28px; right: 28px;
  font-size: 20px;
  opacity: 0;
  transition: 0.2s;
  transform: translate(-6px, 6px);
}

.app-card:hover .card-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

/* ══════════════════════════════════════
   ROBOT STRIP (decoración Bender)
══════════════════════════════════════ */
.robot-strip {
  width: 100%;
  background: var(--grey);
  border-top: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  overflow: hidden;
}

/* ══════════════════════════════════════
   CALCULADORA PAGE LAYOUT
══════════════════════════════════════ */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  max-width: 1100px;
  margin: 48px auto;
  padding: 0 24px 80px;
  align-items: start;
}

.calc-panel {
  border: 2.5px solid var(--black);
  border-radius: var(--radius);
  padding: 36px;
  background: var(--white);
}

.calc-panel h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 24px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--grey2);
}

.calc-robot-side {
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 90px;
}

.robot-caption {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  color: var(--grey3);
  line-height: 1.5;
}

/* ══════════════════════════════════════
   FORM ELEMENTS
══════════════════════════════════════ */
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.field label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--grey3);
}

input[type="number"],
select {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--grey2);
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  background: var(--white);
  color: var(--black);
  transition: border-color 0.18s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input:focus, select:focus {
  border-color: var(--orange);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath fill='%23888' d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* ── BOTÓN ── */
button, .btn {
  width: 100%;
  padding: 15px;
  border: 2.5px solid var(--black);
  border-radius: 10px;
  background: var(--black);
  color: var(--white);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.3px;
}

button:hover {
  background: var(--orange);
  border-color: var(--orange);
  transform: translateY(-2px);
}

/* ── RESULTADO ── */
#resultadoIVA,
#resultadoIVANeto,
#resultadoSalario,
#resultadoSalarioMensual {
  margin-top: 8px;
}

.resultado-box {
  border: 2.5px solid var(--black);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--white);
  animation: fadeUp 0.3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.resultado-box .res-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--grey2);
  font-size: 15px;
}
.resultado-box .res-row:last-child { border-bottom: none; }

.resultado-box .res-row strong {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: var(--grey3);
}

.resultado-box .res-val {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--black);
}

.resultado-box .res-val.orange { color: var(--orange); }
.resultado-box .res-val.blue   { color: var(--blue); }

.resultado-box .res-highlight {
  background: var(--black);
  color: var(--white);
  border-radius: 10px;
  padding: 16px 20px;
  margin-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.resultado-box .res-highlight span {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  opacity: 0.6;
}

.resultado-box .res-highlight .big-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--orange);
}

/* fallback p dentro de resultado */
.resultado-box p {
  padding: 8px 0;
  border-bottom: 1px solid var(--grey2);
  font-size: 15px;
}
.resultado-box p:last-child { border-bottom: none; }
.resultado-box hr { border: none; border-top: 1px solid var(--grey2); margin: 8px 0; }
.resultado-box ul {
  list-style: none;
  padding: 0;
}
.resultado-box ul li {
  padding: 6px 0 6px 16px;
  border-left: 3px solid var(--grey2);
  margin: 4px 0;
  font-size: 13px;
  color: var(--grey3);
}

/* ══════════════════════════════════════
   FOOTER
══════════════════════════════════════ */
.site-footer {
  border-top: 2px solid var(--black);
  padding: 24px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--grey3);
}

.site-footer a {
  color: var(--orange);
  text-decoration: none;
  font-weight: 600;
}

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 768px) {
  .topbar { padding: 16px 20px; }
  .hero   { padding: 50px 20px 40px; }
  .dashboard { grid-template-columns: 1fr; padding: 0 16px 60px; }
  .calc-layout {
    grid-template-columns: 1fr;
    padding: 0 16px 60px;
  }
  .calc-robot-side { display: none; }
  .robot-strip { gap: 24px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 38px; letter-spacing: -1px; }
  .calc-panel { padding: 24px 20px; }
}