/* ============================================================
   Marketing ROI Calculator — embeddable widget
   Everything is scoped under .roi-calc so pasting the widget
   into a themed WordPress page cannot collide with host styles.
   Space Grotesk (display/results) + Inter (body/inputs).
   ============================================================ */

.roi-calc {
  --rc-ink:      #1B1B2F;
  --rc-violet:   #5B5BD6;
  --rc-violet-d: #4444C0;
  --rc-pos:      #16A36A;
  --rc-neg:      #D6453D;
  --rc-paper:    #F5F5FB;
  --rc-card:     #FFFFFF;
  --rc-slate:    #5A5A72;
  --rc-line:     #E3E3EF;

  --rc-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --rc-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --rc-lift:
    0 1px 2px rgba(27,27,47,.05),
    0 12px 32px -12px rgba(27,27,47,.20),
    0 40px 72px -44px rgba(27,27,47,.28);

  /* faint grain — keeps the dark results panel from reading as flat fill */
  --rc-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");

  box-sizing: border-box;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--rc-ink);
  max-width: 880px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
}
.roi-calc *, .roi-calc *::before, .roi-calc *::after { box-sizing: border-box; }

/* ---- the card ---- */
.roi-calc__card {
  background: var(--rc-card);
  border: 1px solid var(--rc-line);
  border-radius: 20px;
  box-shadow: var(--rc-lift);
  overflow: hidden;
}

.roi-calc__head {
  padding: 1.8rem 2rem 1.5rem;
  background:
    linear-gradient(165deg, #fff 0%, var(--rc-paper) 100%);
  border-bottom: 1px solid var(--rc-line);
}
.roi-calc__eyebrow {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--rc-violet);
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.roi-calc__eyebrow::before {
  content: ""; width: 22px; height: 2px;
  background: var(--rc-violet); border-radius: 2px;
}
.roi-calc__title {
  font-family: var(--rc-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600; line-height: 1.18;
  margin: 0.6rem 0 0;
  color: var(--rc-ink);
}
.roi-calc__sub {
  font-size: 0.93rem; color: var(--rc-slate);
  margin: 0.4rem 0 0; max-width: 52ch;
}

/* ---- body: inputs | results ---- */
.roi-calc__body {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
}

/* ---- inputs ---- */
.roi-calc__inputs {
  padding: 1.8rem 2rem;
}
.roi-field { margin-bottom: 1.5rem; }
.roi-field:last-child { margin-bottom: 0; }
.roi-field__top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 1rem; margin-bottom: 0.6rem;
}
.roi-field__label {
  font-size: 0.86rem; font-weight: 600; color: var(--rc-ink);
}
.roi-field__hint {
  font-size: 0.72rem; color: var(--rc-slate);
}
.roi-field__inputwrap {
  position: relative;
  display: flex; align-items: center;
}
.roi-field__affix {
  position: absolute; left: 0.8rem;
  font-size: 0.95rem; font-weight: 600; color: var(--rc-slate);
  pointer-events: none;
}
.roi-field__affix--suffix { left: auto; right: 0.8rem; }
.roi-field__num {
  width: 100%;
  font-family: var(--rc-display);
  font-size: 1.05rem; font-weight: 600;
  color: var(--rc-ink);
  background: var(--rc-paper);
  border: 1px solid var(--rc-line);
  border-radius: 10px;
  padding: 0.65rem 0.85rem 0.65rem 1.7rem;
  transition: border-color .14s ease, box-shadow .14s ease;
  -moz-appearance: textfield;
}
.roi-field__num--suffixed { padding: 0.65rem 2.2rem 0.65rem 0.85rem; }
.roi-field__num::-webkit-outer-spin-button,
.roi-field__num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.roi-field__num:focus {
  outline: none;
  border-color: var(--rc-violet);
  box-shadow: 0 0 0 3px rgba(91,91,214,.16);
}

/* slider */
.roi-field__slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px;
  margin-top: 0.85rem;
  border-radius: 999px;
  background: var(--rc-line);
  cursor: pointer;
}
.roi-field__slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(180deg, #6E6EE0, var(--rc-violet));
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(68,68,192,.5);
  cursor: pointer;
}
.roi-field__slider::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--rc-violet);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(68,68,192,.5);
  cursor: pointer;
}
.roi-field__slider:focus { outline: none; }
.roi-field__slider:focus::-webkit-slider-thumb {
  box-shadow: 0 2px 6px rgba(68,68,192,.5), 0 0 0 4px rgba(91,91,214,.2);
}

/* ---- results ---- */
.roi-calc__results {
  padding: 1.8rem 2rem;
  background:
    var(--rc-grain),
    radial-gradient(420px 240px at 90% 0%, rgba(91,91,214,.10), transparent 70%),
    linear-gradient(180deg, #1B1B2F 0%, #15152A 100%);
  background-blend-mode: overlay, normal, normal;
  color: #E4E4F2;
}
.roi-calc__roi {
  text-align: center;
  padding-bottom: 1.3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.roi-calc__roi-label {
  font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.13em; text-transform: uppercase;
  color: #9B9BC0;
}
.roi-calc__roi-value {
  font-family: var(--rc-display);
  font-size: clamp(3rem, 8vw, 4.4rem);
  font-weight: 700; line-height: 1;
  margin: 0.4rem 0 0.3rem;
  transition: color .3s ease;
}
.roi-calc__roi-value.is-positive { color: #3DDC97; }
.roi-calc__roi-value.is-negative { color: #FF6B62; }
.roi-calc__verdict {
  font-size: 0.9rem; color: #C4C4DC;
  margin: 0; min-height: 1.3em;
}
.roi-calc__verdict strong { color: #fff; }

.roi-calc__stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,.08);
  border-radius: 12px; overflow: hidden;
  margin-top: 1.3rem;
}
.roi-stat {
  background: #1E1E36;
  padding: 1rem 1.1rem;
  transition: transform .16s ease, background .16s ease;
}
.roi-stat:hover {
  transform: translateY(-2px);
  background: #24244180;
  background: #242441;
}
.roi-stat--wide { grid-column: 1 / -1; }
.roi-stat__label {
  font-size: 0.72rem; color: #9B9BC0;
  letter-spacing: 0.03em;
}
.roi-stat__value {
  font-family: var(--rc-display);
  font-size: 1.5rem; font-weight: 600;
  color: #F4F4FB; line-height: 1;
  margin-top: 0.35rem;
}
.roi-stat__value--accent { color: #8E8EEA; }
.roi-stat--primary .roi-stat__value { color: #3DDC97; }

.roi-calc__minor {
  display: flex; gap: 1.4rem; flex-wrap: wrap;
  margin-top: 1.1rem; padding-top: 1.1rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.roi-minor { display: flex; flex-direction: column; gap: 0.15rem; }
.roi-minor__label { font-size: 0.7rem; color: #9B9BC0; }
.roi-minor__value {
  font-family: var(--rc-display);
  font-size: 1rem; font-weight: 600; color: #E4E4F2;
}

/* ---- foot note ---- */
.roi-calc__foot {
  padding: 0.95rem 2rem;
  background: var(--rc-paper);
  border-top: 1px solid var(--rc-line);
  font-size: 0.78rem; color: var(--rc-slate);
  text-align: center;
}

/* ---- responsive ---- */
@media (max-width: 680px) {
  .roi-calc__body { grid-template-columns: 1fr; }
  .roi-calc__head,
  .roi-calc__inputs,
  .roi-calc__results,
  .roi-calc__foot { padding-left: 1.3rem; padding-right: 1.3rem; }
  .roi-calc__stats { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .roi-calc__roi-value { transition: none; }
}