/* ============================================================
   ROI Calculator — Styles
   Follows Aettram design system (variables, fonts, radius, ease)
   ============================================================ */

/* ---------- Colour Tokens ---------- */
:root {
  --roi-teal-dark: var(--charcoal);
  --roi-teal:      #1a2433;
  --roi-cyan:      var(--orange);
  --roi-cyan-dark: var(--orange-hover);
  --roi-hero-grad: linear-gradient(135deg, var(--charcoal) 0%, #1a2433 60%, #202b3d 100%);
  --roi-input-border: #d1d5db;
  --roi-input-bg: #fff;
  --roi-label: #374151;
  --roi-muted: #6b7280;
  --roi-card-border: #e5e7eb;
  --roi-track-bg: #e5e7eb;
}

/* ---------- Hero Banner ---------- */
.roi-hero {
  padding: calc(var(--nav-h) + 56px) 0 52px;
  background: var(--roi-hero-grad);
  color: #cce4ef;
  position: relative;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
}

.roi-hero .container {
  position: relative;
  z-index: 2;
}

.roi-hero .eyebrow {
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.22em;
  margin-bottom: 12px;
}

.roi-hero h1 {
  color: #fff;
  font-size: clamp(30px, 5vw, 48px);
  margin-bottom: 14px;
}

.roi-hero .lead {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  max-width: 64ch;
  margin: 0;
  line-height: 1.6;
}

.roi-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.28);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  font-family: var(--font-body);
}

/* ---------- Wizard Container ---------- */
.roi-wizard {
  max-width: 1100px;
  margin: -28px auto 0;
  padding: 0 20px 80px;
  position: relative;
  z-index: 3;
}

.roi-step {
  display: none;
  animation: roiFadeIn 0.4s var(--ease);
}

.roi-step.is-active {
  display: block;
}

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

/* ---------- Step Card ---------- */
.roi-card {
  background: #fff;
  border: 1px solid var(--roi-card-border);
  border-radius: 10px;
  padding: 40px 44px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.roi-card--split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0;
  padding: 0;
  overflow: visible;
  background: #fafbfc;
}

.roi-card--split .roi-card__left {
  padding: 36px 40px;
  border-right: 1px solid var(--roi-card-border);
  background: #fff;
  border-radius: 10px 0 0 10px;
}

.roi-card--split .roi-card__right {
  padding: 36px 40px;
  background: #fafbfc;
  border-radius: 0 10px 10px 0;
}

@media (min-width: 901px) {
  .roi-card--split {
    align-items: start;
  }

  .roi-card--split .roi-card__right {
    position: sticky;
    top: calc(var(--nav-h) + 12px);
    max-height: calc(100vh - var(--nav-h) - 24px);
    overflow-y: auto;
    z-index: 2;
  }
}

/* ---------- Step Header ---------- */
.roi-step-header {
  text-align: center;
  margin-bottom: 32px;
}

.roi-step-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--roi-muted);
  margin-bottom: 12px;
}

.roi-step-label--left {
  text-align: left;
}

/* ---------- Progress Bar ---------- */
.roi-progress {
  height: 4px;
  background: var(--roi-track-bg);
  border-radius: 4px;
  margin-bottom: 28px;
  overflow: hidden;
}

.roi-progress__fill {
  height: 100%;
  background: var(--roi-cyan);
  border-radius: 4px;
  transition: width 0.5s var(--ease);
}

.roi-progress--left {
  margin-bottom: 24px;
}

/* ---------- Step 1 — Contact Form ---------- */
.roi-form-title {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.5vw, 28px);
  color: var(--charcoal);
  margin-bottom: 8px;
  font-weight: 700;
  line-height: 1.15;
}

.roi-form-desc {
  color: var(--roi-muted);
  font-size: 14px;
  margin-bottom: 28px;
  line-height: 1.55;
}

.roi-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 24px;
}

.roi-form-grid--full {
  grid-template-columns: 1fr;
}

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

.roi-field--full {
  grid-column: 1 / -1;
}

.roi-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--roi-label);
  display: flex;
  align-items: center;
  gap: 4px;
}

.roi-label .required {
  color: #ef4444;
}

.roi-input,
.roi-select {
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--roi-input-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--charcoal);
  background: var(--roi-input-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.roi-input:focus,
.roi-select:focus {
  outline: none;
  border-color: var(--roi-cyan);
  box-shadow: 0 0 0 3px rgba(24, 168, 137, 0.12);
}

.roi-input::placeholder {
  color: #9ca3af;
}

.roi-select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280'><path d='M2 4l4 4 4-4'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Number input spinners */
.roi-input[type="number"] {
  -moz-appearance: textfield;
}

.roi-input[type="number"]::-webkit-inner-spin-button,
.roi-input[type="number"]::-webkit-outer-spin-button {
  opacity: 1;
}

/* ---------- Step 2 — Analysis Selection ---------- */
.roi-analysis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 8px;
}

.roi-analysis-card {
  border: 2px solid var(--roi-card-border);
  border-radius: 10px;
  padding: 32px 28px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  background: #fff;
}

.roi-analysis-card:hover {
  border-color: var(--roi-cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(24, 168, 137, 0.12);
}

.roi-analysis-card.is-selected {
  border-color: var(--roi-cyan);
  background: rgba(24, 168, 137, 0.03);
}

.roi-analysis-icon {
  font-size: 28px;
  margin-bottom: 14px;
  display: block;
}

.roi-analysis-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  color: var(--charcoal);
  margin-bottom: 8px;
  font-weight: 700;
}

.roi-analysis-card p {
  font-size: 13px;
  color: var(--roi-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

.roi-analysis-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--roi-cyan-dark);
  padding: 2px 0;
}

/* ---------- Section Headers (plain titles, not pills/buttons) ---------- */
.roi-section-header {
  display: block;
  width: fit-content;
  max-width: 100%;
  background: transparent !important;
  background-image: none !important;
  color: var(--charcoal);
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  padding: 0;
  margin: 28px 0 16px;
  letter-spacing: 0;
  text-transform: none;
  border: none;
  border-radius: 0;
  box-shadow: none;
  cursor: default;
}

.roi-section-header:first-of-type,
.roi-card__left .roi-section-header:first-of-type {
  margin-top: 0;
}

/* ---------- Tooltip ---------- */
.roi-tooltip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid var(--roi-input-border);
  font-size: 10px;
  color: var(--roi-muted);
  cursor: help;
  position: relative;
  flex-shrink: 0;
  font-family: var(--font-body);
  line-height: 1;
}

.roi-tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--charcoal);
  color: #fff;
  font-size: 11px;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
  max-width: 240px;
  white-space: normal;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 10;
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  line-height: 1.4;
}

.roi-tooltip:hover::after {
  opacity: 1;
}

/* ---------- Results Panel ---------- */
.roi-result-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--charcoal);
  margin-bottom: 24px;
}

.roi-result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
}

.roi-result-row:last-of-type {
  border-bottom: none;
}

.roi-result-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--charcoal);
}

.roi-result-value {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--charcoal);
  text-align: right;
}

.roi-result-value--hero {
  font-size: 32px;
  color: var(--roi-cyan-dark);
}

.roi-result-value--accent {
  color: var(--roi-cyan-dark);
}

.roi-result-note {
  margin-top: 28px;
}

.roi-result-note p {
  font-size: 13px;
  color: var(--roi-muted);
  line-height: 1.55;
  margin: 0;
}

.roi-result-disclaimer {
  font-size: 12px;
  color: var(--roi-muted);
  font-style: italic;
  margin-top: 8px;
  line-height: 1.5;
}

/* ---------- Buttons ---------- */
.roi-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 24px;
  border: none;
  border-radius: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s;
}

.roi-btn--primary {
  background: var(--roi-cyan);
  color: #fff;
}

.roi-btn--primary:hover {
  background: var(--roi-cyan-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(24, 168, 137, 0.35);
}

.roi-btn--ghost {
  background: transparent;
  color: var(--charcoal);
  border: 1px solid var(--roi-input-border);
}

.roi-btn--ghost:hover {
  border-color: var(--roi-cyan);
  color: var(--roi-cyan-dark);
}

.roi-btn--explore {
  background: var(--roi-cyan);
  color: #fff;
  margin-top: 20px;
}

.roi-btn--explore:hover {
  background: var(--roi-cyan-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(24, 168, 137, 0.35);
}

.roi-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ---------- Choose Analysis Subtitle ---------- */
.roi-choose-subtitle {
  text-align: center;
  color: var(--roi-muted);
  font-size: 14px;
  margin-bottom: 28px;
}

/* ---------- Form Validation ---------- */
.roi-field.has-error .roi-input,
.roi-field.has-error .roi-select {
  border-color: #ef4444;
}

.roi-error-msg {
  font-size: 12px;
  color: #ef4444;
  margin-top: 2px;
  display: none;
}

.roi-field.has-error .roi-error-msg {
  display: block;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .roi-card--split {
    grid-template-columns: 1fr;
    background: #fff;
  }
  .roi-card--split .roi-card__left {
    border-right: none;
    border-bottom: 1px solid var(--roi-card-border);
    border-radius: 10px 10px 0 0;
  }
  .roi-card--split .roi-card__right {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 28px 32px;
    border-radius: 0 0 10px 10px;
  }
}

@media (max-width: 640px) {
  .roi-hero {
    padding: calc(var(--nav-h) + 36px) 0 36px;
  }
  .roi-card {
    padding: 24px 20px;
  }
  .roi-card--split .roi-card__left,
  .roi-card--split .roi-card__right {
    padding: 24px 20px;
  }
  .roi-form-grid {
    grid-template-columns: 1fr;
  }
  .roi-analysis-grid {
    grid-template-columns: 1fr;
  }
  .roi-wizard {
    padding: 0 12px 48px;
  }
}