/* ============================================================
   NewGenIT.ai | ROI Calculator
   Scoped styles for the calculator tool and its explainer page.
   Inherits the site design tokens from styles.css.
   ============================================================ */

/* ---------- Slim app header (tool page only) ---------- */
.roi-appbar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(2, 13, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}
.roi-appbar__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 68px;
}
.roi-appbar__title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  padding-left: 1rem;
  margin-left: 0.25rem;
  border-left: 1px solid var(--border-color);
  color: var(--text-primary);
}
.roi-appbar__title span { display: block; font-size: 0.72rem; font-weight: 500; color: var(--text-muted); letter-spacing: 0.04em; }
.roi-appbar__spacer { flex: 1; }
.roi-appbar__actions { display: flex; align-items: center; gap: 0.75rem; }
@media (max-width: 640px) {
  .roi-appbar__title { display: none; }
  /* Two buttons will not fit at 375px, so keep the primary action only. */
  .roi-appbar__actions .btn-outline { display: none; }
}

/* ---------- Page intro ---------- */
.roi-intro { padding: 2.5rem 0 1.5rem; }
.roi-intro h1 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 0.6rem; }
.roi-intro p { max-width: 68ch; }

.roi-notice {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  background: rgba(63, 222, 233, 0.06);
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.15rem;
  margin-top: 1.5rem;
}
.roi-notice svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; stroke: var(--accent-primary); fill: none; stroke-width: 2; }
.roi-notice p { font-size: 0.9rem; margin: 0; }

/* ---------- Two-column layout ---------- */
.roi-layout {
  display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
  padding-bottom: 4rem;
}
@media (max-width: 1000px) {
  .roi-layout { grid-template-columns: 1fr; }
}

.roi-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
@media (min-width: 1001px) {
  .roi-panel--sticky { position: sticky; top: 92px; max-height: calc(100vh - 112px); overflow-y: auto; }
  .roi-panel--sticky::-webkit-scrollbar { width: 8px; }
  .roi-panel--sticky::-webkit-scrollbar-thumb { background: rgba(63,222,233,0.2); border-radius: 4px; }
}

/* ---------- Sector chooser ---------- */
.roi-sectors { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.roi-sector {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}
.roi-sector:hover { border-color: var(--accent-primary); color: var(--text-primary); }
.roi-sector[aria-pressed="true"] {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: #020D0F;
}

/* ---------- Scenario segmented control ---------- */
.roi-scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.3rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  padding: 0.28rem;
}
.roi-scenario {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 0.3rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  text-align: center;
}
.roi-scenario[aria-pressed="true"] { background: var(--accent-secondary); color: #fff; }
.roi-scenario:hover { color: var(--text-primary); }

/* ---------- Field groups ---------- */
.roi-group { margin-top: 1.6rem; }
.roi-group:first-of-type { margin-top: 1.2rem; }
.roi-group__title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-primary);
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.roi-group__title::after { content: ''; flex: 1; height: 1px; background: var(--border-color); }

.roi-field { margin-bottom: 0.95rem; }
.roi-field__label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}
.roi-field__hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  line-height: 1.45;
}
.roi-input-wrap { position: relative; display: flex; align-items: center; }
.roi-input-wrap__prefix,
.roi-input-wrap__suffix {
  position: absolute;
  font-size: 0.82rem;
  color: var(--text-muted);
  pointer-events: none;
  font-weight: 600;
}
.roi-input-wrap__prefix { left: 0.85rem; }
.roi-input-wrap__suffix { right: 0.85rem; }
.roi-input {
  width: 100%;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 0.6rem 0.85rem;
  font-size: 0.92rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -moz-appearance: textfield;
}
.roi-input::-webkit-outer-spin-button,
.roi-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.roi-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(63, 222, 233, 0.12);
}
.roi-input--prefixed { padding-left: 2rem; }
.roi-input--suffixed { padding-right: 2.4rem; }

.roi-advanced {
  margin-top: 1.75rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}
.roi-advanced > summary {
  cursor: pointer;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--accent-primary);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.roi-advanced > summary::-webkit-details-marker { display: none; }
.roi-advanced > summary::before {
  content: '';
  width: 7px; height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--transition-fast);
}
.roi-advanced[open] > summary::before { transform: rotate(45deg); }
.roi-advanced__body { padding-top: 1rem; }

.roi-reset {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.roi-reset:hover { color: var(--accent-primary); }

/* ---------- Results ---------- */
.roi-results { display: flex; flex-direction: column; gap: 1.25rem; min-width: 0; }

.roi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.roi-card__head { margin-bottom: 1.15rem; }
.roi-card__head h2 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.roi-card__head p { font-size: 0.83rem; color: var(--text-muted); margin: 0; }

.roi-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border-color); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-color); }
@media (max-width: 780px) { .roi-kpis { grid-template-columns: repeat(2, 1fr); } }
.roi-kpi { background: var(--bg-card); padding: 1.35rem 1.15rem; }
.roi-kpi__label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.45rem; }
.roi-kpi__value {
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--accent-primary);
  font-variant-numeric: tabular-nums;
}
.roi-kpi__value--neg { color: #ff8080; }
.roi-kpi__sub { font-size: 0.74rem; color: var(--text-muted); margin-top: 0.3rem; }

/* ---------- Hard vs capacity split ---------- */
.roi-split { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 620px) { .roi-split { grid-template-columns: 1fr; } }
.roi-split__item { border: 1px solid var(--border-color); border-radius: var(--radius-md); padding: 1.1rem; }
.roi-split__item--hard { border-color: rgba(63, 222, 233, 0.4); background: rgba(63, 222, 233, 0.05); }
.roi-split__tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.6rem;
}
.roi-split__tag--hard { background: var(--accent-primary); color: #020D0F; }
.roi-split__tag--soft { background: rgba(200, 209, 210, 0.15); color: var(--text-secondary); }
.roi-split__num { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.roi-split__num small { display: block; font-size: 0.72rem; font-weight: 500; color: var(--text-muted); margin-top: 0.15rem; letter-spacing: 0; }
.roi-split__item p { font-size: 0.79rem; color: var(--text-muted); margin: 0.7rem 0 0; line-height: 1.5; }

/* ---------- Breakdown bars ---------- */
.roi-bars { display: flex; flex-direction: column; gap: 0.85rem; }
.roi-bar__top { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.83rem; margin-bottom: 0.35rem; gap: 1rem; }
.roi-bar__name { color: var(--text-secondary); }
.roi-bar__val { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--text-primary); }
.roi-bar__track { height: 8px; background: rgba(255,255,255,0.06); border-radius: var(--radius-pill); overflow: hidden; }
.roi-bar__fill { height: 100%; border-radius: var(--radius-pill); transition: width var(--transition-slow); }
.roi-bar__fill--1 { background: linear-gradient(90deg, #3fdee9, #58E8E2); }
.roi-bar__fill--2 { background: linear-gradient(90deg, #0A8F93, #3fdee9); }
.roi-bar__fill--3 { background: linear-gradient(90deg, #0A8F93, #17a2a6); }
.roi-bar__fill--4 { background: linear-gradient(90deg, #146e70, #0A8F93); }
.roi-bar__fill--soft { background: repeating-linear-gradient(45deg, #4d5b5d, #4d5b5d 5px, #3c4749 5px, #3c4749 10px); }

/* ---------- Chart ---------- */
.roi-chart-wrap { overflow-x: auto; }
.roi-chart { width: 100%; min-width: 480px; height: auto; display: block; }
.roi-chart-legend { display: flex; flex-wrap: wrap; gap: 1.1rem; margin-top: 0.9rem; font-size: 0.76rem; color: var(--text-muted); }
.roi-chart-legend span { display: inline-flex; align-items: center; gap: 0.4rem; }
.roi-chart-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }

/* ---------- Sensitivity ---------- */
.roi-tornado { display: flex; flex-direction: column; gap: 0.9rem; }
.roi-tor { display: grid; grid-template-columns: minmax(120px, 190px) 1fr; gap: 0.9rem; align-items: center; }
@media (max-width: 620px) { .roi-tor { grid-template-columns: 1fr; gap: 0.35rem; } }
.roi-tor__label { font-size: 0.82rem; color: var(--text-secondary); }
.roi-tor__track { position: relative; height: 26px; background: rgba(255,255,255,0.04); border-radius: var(--radius-sm); }
.roi-tor__mid { position: absolute; top: -3px; bottom: -3px; width: 1px; background: rgba(255,255,255,0.25); }
.roi-tor__bar { position: absolute; top: 5px; height: 16px; border-radius: 3px; }
.roi-tor__bar--lo { background: rgba(255, 128, 128, 0.55); }
.roi-tor__bar--hi { background: rgba(63, 222, 233, 0.55); }
.roi-tor__cap { position: absolute; top: 50%; transform: translateY(-50%); font-size: 0.68rem; color: var(--text-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

/* ---------- Assumptions table ---------- */
.roi-assume { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.roi-assume th, .roi-assume td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid rgba(255,255,255,0.05); vertical-align: top; }
.roi-assume th { color: var(--text-muted); font-weight: 600; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; }
.roi-assume td:last-child { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.roi-assume tr:last-child td { border-bottom: none; }

/* Narrow screens: stack each row so the nowrap value column cannot
   push the page into a horizontal scroll. */
@media (max-width: 620px) {
  .roi-assume, .roi-assume tbody, .roi-assume tr, .roi-assume td { display: block; width: 100%; }
  .roi-assume tr { padding: 0.5rem 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .roi-assume tr:last-child { border-bottom: none; }
  .roi-assume td { border-bottom: none; padding: 0.1rem 0; }
  .roi-assume td:first-child { color: var(--text-muted); font-size: 0.76rem; }
  .roi-assume td:last-child { text-align: left; white-space: normal; }
}
.roi-formula {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--text-secondary);
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  overflow-x: auto;
  white-space: pre;
}

/* ---------- Lead capture ---------- */
.roi-lead { border-color: rgba(63, 222, 233, 0.35); background: linear-gradient(160deg, rgba(63,222,233,0.08), rgba(11,36,39,0.4)); }
.roi-lead__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
@media (max-width: 620px) { .roi-lead__grid { grid-template-columns: 1fr; } }
.roi-lead__full { grid-column: 1 / -1; }
.roi-lead__msg { font-size: 0.85rem; margin-top: 0.9rem; display: none; }
.roi-lead__msg.visible { display: block; }
.roi-lead__msg--ok { color: var(--accent-primary); }
.roi-lead__msg--err { color: #ff8080; }

/* ---------- Explainer page bits ---------- */
.roi-explain-hero { padding: 4.5rem 0 3rem; background: radial-gradient(ellipse at 50% -10%, rgba(63,222,233,0.13), transparent 62%); }
.roi-explain-hero h1 { max-width: 22ch; }
.roi-explain-hero p { max-width: 62ch; font-size: 1.05rem; }
.roi-explain-hero .roi-cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; align-items: center; }
.roi-launch-note { font-size: 0.78rem; color: var(--text-muted); }

.roi-streams { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
@media (max-width: 900px) { .roi-streams { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .roi-streams { grid-template-columns: 1fr; } }
.roi-stream { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.4rem; }
.roi-stream__icon { width: 38px; height: 38px; border-radius: var(--radius-md); background: rgba(63,222,233,0.1); display: flex; align-items: center; justify-content: center; margin-bottom: 0.9rem; }
.roi-stream__icon svg { width: 19px; height: 19px; stroke: var(--accent-primary); fill: none; stroke-width: 2; }
.roi-stream h3 { font-size: 1rem; margin-bottom: 0.45rem; }
.roi-stream p { font-size: 0.86rem; margin: 0; }
.roi-stream__tag { display: inline-block; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.18rem 0.45rem; border-radius: var(--radius-pill); margin-top: 0.8rem; }
.roi-stream__tag--hard { background: rgba(63,222,233,0.18); color: var(--accent-primary); }
.roi-stream__tag--soft { background: rgba(200,209,210,0.12); color: var(--text-muted); }

.roi-honesty { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
@media (max-width: 860px) { .roi-honesty { grid-template-columns: 1fr; } }
.roi-honest { border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.4rem; background: var(--bg-secondary); }
.roi-honest h3 { font-size: 0.98rem; margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.roi-honest h3 svg { width: 17px; height: 17px; stroke: var(--accent-primary); fill: none; stroke-width: 2; flex-shrink: 0; }
.roi-honest p { font-size: 0.86rem; margin: 0; }

.roi-tiers { display: flex; flex-direction: column; gap: 1rem; margin-top: 2.5rem; }
.roi-tier { display: grid; grid-template-columns: 62px 1fr; gap: 1.25rem; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.35rem 1.5rem; align-items: start; }
@media (max-width: 620px) { .roi-tier { grid-template-columns: 1fr; gap: 0.7rem; } }
.roi-tier__num { font-size: 1.7rem; font-weight: 800; color: var(--accent-primary); line-height: 1; opacity: 0.55; }
.roi-tier h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.roi-tier p { font-size: 0.88rem; margin: 0; }
.roi-tier__src { font-size: 0.79rem; color: var(--text-muted); margin-top: 0.6rem; }
.roi-tier__src strong { color: var(--text-secondary); font-weight: 600; }