/* ── Brand tokens ─────────────────────────────────────────────────────────── */
:root {
  --ink:     #020617;
  --signal:  #d7b46a;
  --bg:      #020617;
  --surface: #0f172a;
  --border:  #1e293b;
  --muted:   #64748b;
  --text:    #f1f5f9;
  --danger:  #f87171;
  --success: #34d399;
  --font:    "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background:  var(--bg);
  color:       var(--text);
  font-family: var(--font);
  margin:      0;
  min-width:   320px;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--signal); color: var(--ink); }

/* ── Progress bar ─────────────────────────────────────────────────────────── */
.progress-track {
  background:    #1e293b;
  border-radius: 999px;
  height:        6px;
  overflow:      hidden;
  width:         100%;
}

.progress-fill {
  background:    var(--signal);
  border-radius: 999px;
  height:        100%;
  transition:    width 350ms ease;
  width:         33.33%;
}

/* ── Step panels ──────────────────────────────────────────────────────────── */
.step-panel {
  animation: none;
}

.step-panel.hidden { display: none; }

.slide-out-left  { animation: slideOutLeft  200ms ease forwards; }
.slide-out-right { animation: slideOutRight 200ms ease forwards; }
.slide-in-right  { animation: slideInRight  260ms ease forwards; }
.slide-in-left   { animation: slideInLeft   260ms ease forwards; }

@keyframes slideOutLeft  { to { opacity: 0; transform: translateX(-40px); } }
@keyframes slideOutRight { to { opacity: 0; transform: translateX(40px);  } }
@keyframes slideInRight  { from { opacity: 0; transform: translateX(40px);  } to { opacity: 1; transform: translateX(0); } }
@keyframes slideInLeft   { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: translateX(0); } }

/* ── Inputs ───────────────────────────────────────────────────────────────── */
.tool-input {
  appearance:    none;
  background:    #1e293b;
  border:        1.5px solid #334155;
  border-radius: 0.625rem;
  color:         var(--text);
  font-family:   var(--font);
  font-size:     2rem;
  font-weight:   700;
  letter-spacing: -0.02em;
  outline:       none;
  padding:       0.7rem 1rem;
  transition:    border-color 180ms ease, box-shadow 180ms ease;
  width:         100%;
}

.tool-input:focus {
  border-color: var(--signal);
  box-shadow:   0 0 0 3px rgba(215, 180, 106, 0.18);
}

.tool-input.error {
  border-color: var(--danger);
  box-shadow:   0 0 0 3px rgba(248, 113, 113, 0.15);
}

.tool-input::placeholder { color: #475569; font-weight: 500; font-size: 1.1rem; }

/* hide number spinners */
.tool-input[type="number"]::-webkit-inner-spin-button,
.tool-input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.tool-input[type="number"] { -moz-appearance: textfield; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn-primary {
  background:    var(--signal);
  border:        none;
  border-radius: 0.75rem;
  color:         var(--ink);
  cursor:        pointer;
  display:       block;
  font-family:   var(--font);
  font-size:     1rem;
  font-weight:   800;
  padding:       0.9rem 1.5rem;
  text-align:    center;
  transition:    background 160ms ease, transform 160ms ease;
  width:         100%;
}

.btn-primary:hover  { background: #e4c47f; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background:    transparent;
  border:        1.5px solid #334155;
  border-radius: 0.75rem;
  color:         #94a3b8;
  cursor:        pointer;
  font-family:   var(--font);
  font-size:     0.9rem;
  font-weight:   700;
  padding:       0.75rem 1.25rem;
  transition:    border-color 160ms ease, color 160ms ease;
  width:         100%;
}

.btn-secondary:hover { border-color: #64748b; color: var(--text); }

/* ── Result figures ───────────────────────────────────────────────────────── */
.loss-figure {
  display:       block;
  font-size:     clamp(3rem, 12vw, 5rem);
  font-weight:   900;
  letter-spacing: -0.04em;
  line-height:   1;
}

.loss-figure.result-animate {
  animation: popIn 420ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.82); }
  to   { opacity: 1; transform: scale(1);    }
}

/* ── Email gate / spinner ─────────────────────────────────────────────────── */
.show-flex { display: flex !important; }

#email-spinner {
  align-items:     center;
  gap:             0.75rem;
  justify-content: center;
  padding:         1rem 0;
}

/* ── Spinner (reused from WhatsApp tool for consistency) ─────────────────── */
.animate-spin {
  animation: spin 700ms linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── FAQ accordion ────────────────────────────────────────────────────────── */
details.faq-item {
  border:        1px solid var(--border);
  border-radius: 0.875rem;
  margin-bottom: 0.625rem;
  overflow:      hidden;
  transition:    border-color 180ms ease;
}

details.faq-item[open] { border-color: #334155; }

details.faq-item summary {
  cursor:          pointer;
  display:         flex;
  font-size:       0.975rem;
  font-weight:     600;
  gap:             1rem;
  justify-content: space-between;
  list-style:      none;
  padding:         1.1rem 1.25rem;
  user-select:     none;
}

details.faq-item summary::-webkit-details-marker { display: none; }

.faq-chevron {
  color:      var(--muted);
  flex:       0 0 auto;
  font-size:  1.1rem;
  transition: transform 240ms ease;
}

details.faq-item[open] .faq-chevron { transform: rotate(180deg); }

.faq-body {
  color:       #94a3b8;
  font-size:   0.9rem;
  line-height: 1.75;
  padding:     0 1.25rem 1.25rem;
}

/* ── Sticky header ────────────────────────────────────────────────────────── */
header {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

/* ── Free badge ───────────────────────────────────────────────────────────── */
.free-badge {
  align-items:   center;
  background:    rgba(52, 211, 153, 0.12);
  border:        1px solid rgba(52, 211, 153, 0.3);
  border-radius: 999px;
  color:         #34d399;
  display:       inline-flex;
  font-size:     0.78rem;
  font-weight:   700;
  gap:           0.45rem;
  padding:       0.35rem 0.85rem;
}

.free-badge-dot {
  background:    #34d399;
  border-radius: 999px;
  display:       inline-block;
  height:        0.45rem;
  width:         0.45rem;
}

/* ── Result stat cards ────────────────────────────────────────────────────── */
.stat-card {
  background:    #0f172a;
  border:        1px solid #1e293b;
  border-radius: 1rem;
  flex:          1;
  min-width:     0;
  padding:       1.25rem 1.5rem;
}

/* ── Utility ──────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }