/* === Calculator Section === */
.calc-section {
  padding: 6rem 2rem 5rem;
  position: relative;
}

.calc-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(700px, 80%);
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 247, 255, 0.22), transparent);
}

/* ── Section header ──────────────────────────────── */
.calc-header {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.calc-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 0.6rem;
  text-transform: none;
  letter-spacing: normal;
}

.calc-header-desc {
  font-size: 1rem;
  color: var(--color-light);
  opacity: 0.5;
  margin: 0;
}

/* ── Wrapper ─────────────────────────────────────── */
.calc-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.025);
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(0, 247, 255, 0.1);
  padding: 2.5rem 2rem;
}

/* ── Progress dots ───────────────────────────────── */
.calc-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
  gap: 0;
}

.calc-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.calc-dot-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(0, 247, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-light);
  opacity: 0.5;
  transition: all 0.3s ease;
}

.calc-dot.active .calc-dot-num {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #000;
  opacity: 1;
  box-shadow: 0 0 14px rgba(0, 247, 255, 0.4);
}

.calc-dot.done .calc-dot-num {
  background: rgba(0, 247, 255, 0.15);
  border-color: var(--color-accent);
  color: var(--color-accent);
  opacity: 1;
}

.calc-dot-lbl {
  font-size: 0.7rem;
  color: var(--color-light);
  opacity: 0.4;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.3s ease;
}

.calc-dot.active .calc-dot-lbl {
  opacity: 1;
  color: var(--color-accent);
}

.calc-dot.done .calc-dot-lbl {
  opacity: 0.7;
}

.calc-dot-line {
  width: 72px;
  height: 2px;
  background: rgba(0, 247, 255, 0.1);
  margin-bottom: 1.5rem;
  transition: background 0.3s ease;
  flex-shrink: 0;
}

.calc-dot-line.done { background: var(--color-accent); }

/* ── Step container ──────────────────────────────── */
.calc-step { display: none; }

.calc-step.active {
  display: block;
  animation: calcIn 0.3s ease;
}

@keyframes calcIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.calc-question {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.4rem;
  text-align: center;
}

.calc-hint {
  font-size: 0.85rem;
  color: var(--color-light);
  opacity: 0.5;
  margin-bottom: 1.4rem;
  text-align: center;
}

/* ── Step 1: Project type grid ───────────────────── */
.calc-type-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.calc-type-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 247, 255, 0.1);
  border-radius: var(--border-radius-md);
  padding: 1.1rem 0.85rem;
  cursor: pointer;
  color: var(--color-light);
  transition: border-color 0.22s, background 0.22s, transform 0.22s, box-shadow 0.22s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  text-align: center;
  position: relative;
}

.calc-type-card:hover {
  border-color: rgba(0, 247, 255, 0.3);
  background: rgba(0, 247, 255, 0.04);
  transform: translateY(-2px);
}

.calc-type-card.selected {
  border-color: var(--color-accent);
  background: rgba(0, 247, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.12);
}

.calc-type-card.selected::before {
  content: '✓';
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 0.65rem;
  color: var(--color-accent);
  font-weight: 700;
}

.calc-type-icon {
  font-size: 1.75rem;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  margin: 0 auto 0.15rem;
  background: rgba(0, 247, 255, 0.06);
  border: 1px solid rgba(0, 247, 255, 0.14);
  border-radius: 11px;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.calc-type-icon svg {
  transition: transform 0.25s ease;
}

.calc-type-card:hover .calc-type-icon {
  background: rgba(0, 247, 255, 0.11);
  border-color: rgba(0, 247, 255, 0.32);
  box-shadow: 0 0 18px rgba(0, 247, 255, 0.18);
}

.calc-type-card:hover .calc-type-icon svg {
  transform: scale(1.12);
}

.calc-type-card.selected .calc-type-icon {
  background: rgba(0, 247, 255, 0.14);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.25);
}

.calc-type-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.calc-type-desc {
  font-size: 0.72rem;
  color: var(--color-light);
  opacity: 0.55;
  line-height: 1.35;
}

.calc-type-range {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-top: 0.2rem;
}

/* ── Step 2: Scope grid ──────────────────────────── */
.calc-scope-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.75rem;
}

.calc-scope-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 247, 255, 0.1);
  border-radius: var(--border-radius-md);
  color: var(--color-light);
  padding: 1.4rem 1rem;
  cursor: pointer;
  transition: border-color 0.22s, background 0.22s, transform 0.22s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  text-align: center;
}

.calc-scope-card:hover {
  border-color: rgba(0, 247, 255, 0.3);
  background: rgba(0, 247, 255, 0.04);
  transform: translateY(-2px);
}

.calc-scope-card.selected {
  border-color: var(--color-accent);
  background: rgba(0, 247, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.12);
}

.calc-scope-icon {
  font-size: 1.7rem;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: rgba(0, 247, 255, 0.06);
  border: 1px solid rgba(0, 247, 255, 0.14);
  border-radius: 11px;
  color: var(--color-accent);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.calc-scope-icon svg {
  transition: transform 0.25s ease;
}

.calc-scope-card:hover .calc-scope-icon {
  background: rgba(0, 247, 255, 0.11);
  border-color: rgba(0, 247, 255, 0.32);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.18);
}

.calc-scope-card:hover .calc-scope-icon svg {
  transform: scale(1.12);
}

.calc-scope-card.selected .calc-scope-icon {
  background: rgba(0, 247, 255, 0.14);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.25);
}

.calc-scope-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
}

.calc-scope-mult {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border: 1px solid rgba(0, 247, 255, 0.22);
  border-radius: 100px;
}

.calc-scope-desc {
  font-size: 0.72rem;
  color: var(--color-light);
  opacity: 0.58;
  line-height: 1.4;
}

/* ── Step 3: Features list ───────────────────────── */
.calc-feat-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.calc-feat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 247, 255, 0.08);
  border-radius: var(--border-radius-sm);
  color: var(--color-light);
  padding: 0.9rem 1rem;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-height: 56px; /* touch-friendly */
}

.calc-feat-card:hover {
  border-color: rgba(0, 247, 255, 0.25);
  background: rgba(0, 247, 255, 0.03);
}

.calc-feat-card.selected {
  border-color: var(--color-accent);
  background: rgba(0, 247, 255, 0.07);
}

.calc-feat-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: rgba(0, 247, 255, 0.06);
  border: 1px solid rgba(0, 247, 255, 0.12);
  border-radius: 8px;
  color: var(--color-accent);
  transition: background 0.25s, border-color 0.25s;
}

.calc-feat-icon svg { transition: transform 0.22s ease; }

.calc-feat-card:hover .calc-feat-icon {
  background: rgba(0, 247, 255, 0.10);
  border-color: rgba(0, 247, 255, 0.28);
}

.calc-feat-card:hover .calc-feat-icon svg { transform: scale(1.1); }

.calc-feat-card.selected .calc-feat-icon {
  background: rgba(0, 247, 255, 0.13);
  border-color: var(--color-accent);
}

.calc-feat-card > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.calc-feat-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.calc-feat-desc {
  font-size: 0.73rem;
  color: var(--color-light);
  opacity: 0.55;
}

.calc-feat-price {
  font-size: 0.82rem;
  color: var(--color-accent);
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Step 4: Timeline cards ──────────────────────── */
.calc-time-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.calc-time-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 247, 255, 0.1);
  border-radius: var(--border-radius-md);
  color: var(--color-light);
  padding: 1.6rem 1.25rem;
  cursor: pointer;
  transition: border-color 0.22s, background 0.22s, transform 0.22s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.calc-time-card:hover {
  border-color: rgba(0, 247, 255, 0.3);
  background: rgba(0, 247, 255, 0.04);
  transform: translateY(-2px);
}

.calc-time-card.selected {
  border-color: var(--color-accent);
  background: rgba(0, 247, 255, 0.08);
  box-shadow: 0 0 16px rgba(0, 247, 255, 0.12);
}

.calc-time-icon {
  font-size: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 0.2rem;
  background: rgba(0, 247, 255, 0.06);
  border: 1px solid rgba(0, 247, 255, 0.14);
  border-radius: 14px;
  color: var(--color-accent);
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.calc-time-icon svg { transition: transform 0.25s ease; }

.calc-time-card:hover .calc-time-icon {
  background: rgba(0, 247, 255, 0.11);
  border-color: rgba(0, 247, 255, 0.32);
  box-shadow: 0 0 18px rgba(0, 247, 255, 0.18);
}

.calc-time-card:hover .calc-time-icon svg { transform: scale(1.12); }

.calc-time-card.selected .calc-time-icon {
  background: rgba(0, 247, 255, 0.14);
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 247, 255, 0.25);
}
.calc-time-name { font-size: 1.05rem; font-weight: 700; color: var(--color-text); }
.calc-time-desc { font-size: 0.8rem; color: var(--color-light); opacity: 0.6; }

.calc-time-tag {
  font-size: 0.75rem;
  color: var(--color-accent);
  font-weight: 600;
  padding: 0.2rem 0.7rem;
  border: 1px solid rgba(0, 247, 255, 0.28);
  border-radius: 100px;
}

/* ── Navigation buttons ──────────────────────────── */
.calc-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.calc-btn-next {
  padding: 0.68rem 1.8rem;
  background: var(--color-accent);
  color: #000;
  border: none;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.22s, box-shadow 0.22s, background 0.22s;
  margin-left: auto;
}

.calc-btn-next:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.calc-btn-next:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 247, 255, 0.35);
  background: #1bfeff;
}

.calc-btn-back {
  padding: 0.68rem 1.4rem;
  background: transparent;
  color: var(--color-light);
  border: 1px solid rgba(0, 247, 255, 0.2);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 0.22s, color 0.22s;
}

.calc-btn-back:hover {
  border-color: rgba(0, 247, 255, 0.45);
  color: var(--color-accent);
}

/* ── Result ──────────────────────────────────────── */
.calc-result-inner { text-align: center; }

.calc-result-lbl {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--color-light);
  opacity: 0.5;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.calc-price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 0.3rem 0 0.6rem;
}

.calc-price-val {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
}

.calc-price-sep {
  font-size: 1.8rem;
  color: var(--color-light);
  opacity: 0.3;
  line-height: 1;
}

.calc-tl-line {
  font-size: 0.9rem;
  color: var(--color-light);
  opacity: 0.75;
  margin-bottom: 1.5rem;
}

.calc-tl-line strong { color: var(--color-accent); }

.calc-breakdown {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  padding: 1rem 1.25rem;
  margin: 0 0 1.25rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.calc-bd-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  font-size: 0.83rem;
  gap: 1rem;
}

.calc-bd-row:not(:last-child) {
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.calc-bd-lbl { color: var(--color-light); opacity: 0.55; white-space: nowrap; }
.calc-bd-val { color: var(--color-text); font-weight: 600; text-align: right; }

.calc-result-note {
  font-size: 0.78rem;
  color: var(--color-light);
  opacity: 0.45;
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.calc-result-btns {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.calc-btn-cta {
  padding: 0.82rem 2rem;
  background: var(--color-accent);
  color: #000;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 0.22s, box-shadow 0.22s, background 0.22s;
  display: inline-flex;
  align-items: center;
  border: none;
}

.calc-btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 247, 255, 0.3);
  background: #1bfeff;
}

.calc-btn-restart {
  padding: 0.82rem 1.5rem;
  background: transparent;
  color: var(--color-light);
  border: 1px solid rgba(0, 247, 255, 0.2);
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color 0.22s, color 0.22s;
}

.calc-btn-restart:hover {
  border-color: rgba(0, 247, 255, 0.45);
  color: var(--color-accent);
}

/* ── Mobile ──────────────────────────────────────── */
@media (max-width: 768px) {
  .calc-section { padding: 4rem 1rem 3rem; }
  .calc-wrapper  { padding: 1.75rem 1rem; }

  /* Dots: smaller on mobile */
  .calc-dot-num  { width: 28px; height: 28px; font-size: 0.78rem; }
  .calc-dot-line { width: 44px; }
  .calc-dot-lbl  { font-size: 0.62rem; }

  /* Type grid: 2 columns */
  .calc-type-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
  .calc-type-icon { font-size: 1.5rem; }
  .calc-type-desc { display: none; }

  /* Scope: 3 cols OK on tablets, overridden below for phones */
  .calc-scope-grid { gap: 0.6rem; }
  .calc-scope-desc { display: none; }

  /* Features: bigger touch area */
  .calc-feat-card  { min-height: 60px; padding: 1rem; }
  .calc-feat-desc  { display: none; }

  /* Timeline: keep 2 cols */
  .calc-time-grid { gap: 0.7rem; }
  .calc-time-card { padding: 1.25rem 1rem; }

  /* Nav buttons */
  .calc-nav { flex-direction: row; justify-content: space-between; }
  .calc-btn-next { margin-left: 0; }

  /* Result */
  .calc-price-val { font-size: 2rem; }
}

/* ── Phones ≤600px: scope cards go single-column, horizontal layout ── */
@media (max-width: 600px) {
  .calc-scope-grid {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .calc-scope-card {
    flex-direction: row;
    text-align: left;
    padding: 0.85rem 1.1rem;
    gap: 0.9rem;
    align-items: center;
    justify-content: flex-start;
  }

  .calc-scope-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
  }

  /* text block takes remaining space */
  .calc-scope-card > :not(.calc-scope-icon) {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    min-width: 0;
  }

  .calc-scope-name {
    font-size: 0.92rem;
    text-align: left;
  }

  .calc-scope-mult {
    font-size: 0.73rem;
    padding: 0.1rem 0.5rem;
  }

  /* Type grid: smaller text */
  .calc-type-name  { font-size: 0.8rem; }
  .calc-type-range { font-size: 0.72rem; }
}

@media (max-width: 400px) {
  .calc-type-grid { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  .calc-type-name { font-size: 0.75rem; }
}