/* ═══════════════════════════════════════════════════════════════
   SPOT ON — UNIVERSAL ONBOARDING FORM
   Premium Multi-Step UI · v1.0
   ═══════════════════════════════════════════════════════════════ */

/* ─── DESIGN TOKENS (Default / Neutral Premium) ─── */
:root {
  /* Backgrounds */
  --bg-base:        #0C0C0E;
  --bg-surface:     #141417;
  --bg-elevated:    #1C1C21;
  --bg-input:       #18181D;
  --bg-input-focus: #1F1F26;

  /* Typography */
  --font-serif:     'Cormorant Garamond', Georgia, serif;
  --font-sans:      'Inter', system-ui, sans-serif;

  /* Text */
  --text-primary:   #F0EDE8;
  --text-secondary: #A09D97;
  --text-muted:     #5A5754;
  --text-accent:    #C9A84C;

  /* Accent / Brand */
  --accent:         #C9A84C;
  --accent-soft:    rgba(201,168,76,0.12);
  --accent-glow:    rgba(201,168,76,0.25);
  --accent-2:       #8B6B2E;

  /* Borders */
  --border-subtle:  rgba(255,255,255,0.06);
  --border-default: rgba(255,255,255,0.10);
  --border-focus:   rgba(201,168,76,0.50);

  /* Semantic */
  --error:          #E05A5A;
  --success:        #4CAF6B;

  /* Radii & Space */
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      20px;
  --radius-pill:    999px;

  /* Transitions */
  --ease-out:       cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:        cubic-bezier(0.7, 0, 0.84, 0);
  --dur-fast:       150ms;
  --dur-mid:        300ms;
  --dur-slow:       500ms;

  /* Layout */
  --form-max-w:     700px;
  --section-pad:    clamp(32px, 6vw, 64px);
}

/* ─── NICHE THEMES ─── */
/* Applied via data-theme attribute on <body> by niche-engine.js */

[data-theme="luxury-real-estate"] {
  --bg-base:        #0E0D0A;
  --bg-surface:     #161410;
  --bg-elevated:    #1E1B14;
  --bg-input:       #1A1710;
  --accent:         #C9A84C;
  --accent-soft:    rgba(201,168,76,0.10);
  --accent-glow:    rgba(201,168,76,0.22);
  --text-accent:    #C9A84C;
  --border-focus:   rgba(201,168,76,0.55);
  --font-display:   var(--font-serif);
  --theme-label:    "Serif · Sand · Navy";
}

[data-theme="saas-tech"] {
  --bg-base:        #060810;
  --bg-surface:     #0A0D1A;
  --bg-elevated:    #0F1424;
  --bg-input:       #0D1120;
  --accent:         #00D4FF;
  --accent-soft:    rgba(0,212,255,0.08);
  --accent-glow:    rgba(0,212,255,0.20);
  --text-accent:    #00D4FF;
  --border-focus:   rgba(0,212,255,0.45);
  --font-display:   var(--font-sans);
  --theme-label:    "Sans · Dark · Cyan";
}

[data-theme="wellness"] {
  --bg-base:        #0D100D;
  --bg-surface:     #131713;
  --bg-elevated:    #181E18;
  --bg-input:       #151A15;
  --accent:         #7DB87A;
  --accent-soft:    rgba(125,184,122,0.10);
  --accent-glow:    rgba(125,184,122,0.20);
  --text-accent:    #7DB87A;
  --border-focus:   rgba(125,184,122,0.45);
  --font-display:   var(--font-serif);
  --theme-label:    "Serif · Neutral · Green";
}

[data-theme="finance"] {
  --bg-base:        #080A0E;
  --bg-surface:     #0E1118;
  --bg-elevated:    #141820;
  --bg-input:       #111520;
  --accent:         #4A7CF7;
  --accent-soft:    rgba(74,124,247,0.10);
  --accent-glow:    rgba(74,124,247,0.20);
  --text-accent:    #4A7CF7;
  --border-focus:   rgba(74,124,247,0.50);
  --font-display:   var(--font-sans);
  --theme-label:    "Sans · Charcoal · Cobalt";
}

[data-theme="luxury-lifestyle"] {
  --bg-base:        #0A080C;
  --bg-surface:     #120E16;
  --bg-elevated:    #1A1420;
  --bg-input:       #15111A;
  --accent:         #E8B4C8;
  --accent-soft:    rgba(232,180,200,0.10);
  --accent-glow:    rgba(232,180,200,0.20);
  --text-accent:    #E8B4C8;
  --border-focus:   rgba(232,180,200,0.45);
  --font-display:   var(--font-serif);
  --theme-label:    "Serif · Obsidian · Rose";
}

[data-theme="creative"] {
  --bg-base:        #0A0A0A;
  --bg-surface:     #111111;
  --bg-elevated:    #1A1A1A;
  --bg-input:       #141414;
  --accent:         #FF5733;
  --accent-soft:    rgba(255,87,51,0.08);
  --accent-glow:    rgba(255,87,51,0.18);
  --text-accent:    #FF5733;
  --border-focus:   rgba(255,87,51,0.45);
  --font-display:   var(--font-sans);
  --theme-label:    "Sans · Black · Flame";
}

[data-theme="ecommerce"] {
  --bg-base:        #09080D;
  --bg-surface:     #11101A;
  --bg-elevated:    #181622;
  --bg-input:       #141220;
  --accent:         #9B72F7;
  --accent-soft:    rgba(155,114,247,0.10);
  --accent-glow:    rgba(155,114,247,0.22);
  --text-accent:    #9B72F7;
  --border-focus:   rgba(155,114,247,0.48);
  --font-display:   var(--font-sans);
  --theme-label:    "Sans · Deep · Violet";
}

[data-theme="education"] {
  --bg-base:        #080C10;
  --bg-surface:     #0E1318;
  --bg-elevated:    #141C24;
  --bg-input:       #111820;
  --accent:         #F5A623;
  --accent-soft:    rgba(245,166,35,0.10);
  --accent-glow:    rgba(245,166,35,0.22);
  --text-accent:    #F5A623;
  --border-focus:   rgba(245,166,35,0.48);
  --font-display:   var(--font-sans);
  --theme-label:    "Sans · Slate · Amber";
}

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--dur-slow) var(--ease-out),
              color var(--dur-slow) var(--ease-out);
}

/* ─── AMBIENT BACKGROUND ─── */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
  transition: background var(--dur-slow) var(--ease-out);
}

.bg-orb--1 {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -200px; right: -200px;
}

.bg-orb--2 {
  width: 500px; height: 500px;
  background: var(--accent-2, var(--accent));
  bottom: -150px; left: -150px;
  opacity: 0.10;
}

#grain {
  position: fixed;
  inset: 0;
  width: 100%; height: 100%;
  opacity: 0.025;
  pointer-events: none;
  z-index: 1;
}

/* ─── PROGRESS RAIL ─── */
.progress-rail {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 16px 40px;
  background: rgba(12, 12, 14, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border-subtle);
}

.rail__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  font-size: 1.25rem;
  color: var(--accent);
  transition: color var(--dur-slow) var(--ease-out);
}

.logo-word {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  color: var(--text-primary);
}

.rail__steps {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
  list-style: none;
}

.step-dot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--dur-mid) var(--ease-out);
  padding: 4px 12px;
  position: relative;
}

.step-dot[aria-selected="true"],
.step-dot.completed {
  color: var(--accent);
}

.step-dot.completed .dot-index::after {
  content: '✓';
  position: absolute;
  font-size: 0.7rem;
}

.dot-index {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-family: var(--font-sans);
  position: relative;
}

.dot-label {
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.step-connector {
  display: block;
  width: 40px;
  height: 1px;
  background: var(--border-default);
  flex-shrink: 0;
}

.rail__progress-bar {
  width: 100%;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--border-subtle);
}

.rail__progress-fill {
  height: 100%;
  background: var(--accent);
  width: 25%;
  transition: width var(--dur-slow) var(--ease-out);
}

/* ─── FORM STAGE ─── */
.form-stage {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  padding-top: 80px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

#onboardingForm {
  width: 100%;
  max-width: var(--form-max-w);
  padding: var(--section-pad) 24px 120px;
}

/* ─── FORM SECTIONS ─── */
.form-section {
  display: none;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.form-section.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.form-section.exit-left {
  opacity: 0;
  transform: translateX(-40px);
}

.form-section.enter-right {
  transform: translateX(40px);
  opacity: 0;
}

/* ─── SECTION HEADER ─── */
.section-header {
  margin-bottom: 48px;
}

.section-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  transition: color var(--dur-slow) var(--ease-out);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.section-sub {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

/* ─── NICHE PREVIEW PANEL ─── */
.niche-preview-panel {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  margin-bottom: 40px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity var(--dur-mid) var(--ease-out),
              transform var(--dur-mid) var(--ease-out),
              background var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out);
}

.niche-preview-panel.visible {
  opacity: 1;
  transform: translateY(0);
}

.panel-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.panel-theme-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--text-accent);
  transition: color var(--dur-slow) var(--ease-out);
}

.panel-swatches {
  display: flex;
  gap: 6px;
}

.swatch {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  transition: transform var(--dur-fast) var(--ease-out);
}

.swatch:hover { transform: scale(1.2); }

.panel-type {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-style: italic;
  margin-left: auto;
}

/* ─── AESTHETIC BADGE (Section 1, inline) ─── */
.aesthetic-badge {
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-glow);
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity var(--dur-mid) var(--ease-out),
              transform var(--dur-mid) var(--ease-out),
              background var(--dur-slow) var(--ease-out),
              color var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out);
  pointer-events: none;
}

.aesthetic-badge.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ─── FIELD GRID ─── */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 24px;
}

.field-group { display: flex; flex-direction: column; gap: 8px; }
.field-group--full { grid-column: 1 / -1; }
.field-group--half { grid-column: span 1; }

/* ─── LABELS ─── */
.field-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.req { color: var(--accent); }

.field-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

.field-hint.inline { display: inline; font-style: normal; text-transform: none; font-weight: 400; font-size: 0.75rem; letter-spacing: 0; }

/* ─── INPUTS ─── */
.field-input {
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  padding: 14px 16px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  width: 100%;
}

.field-input::placeholder {
    opacity: 1; color: var(--text-muted); }

.field-input:hover {
  border-color: rgba(255,255,255,0.15);
  background: var(--bg-input-focus);
}

.field-input:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-input.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(224,90,90,0.12);
}

.field-textarea { resize: vertical; min-height: 80px; }
.field-textarea--large { min-height: 120px; }

/* ─── SELECT ─── */
.select-wrap {
  position: relative;
}

.field-select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 40px;
}

.select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: 0.8rem;
  transition: transform var(--dur-fast) var(--ease-out);
}

.select-wrap:focus-within .select-arrow {
  transform: translateY(-50%) rotate(180deg);
  color: var(--accent);
}

/* ─── CHAR COUNTER ─── */
.char-counter {
  text-align: right;
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ─── UPLOAD ZONE ─── */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border-default);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  background: var(--bg-input);
}

.upload-zone:hover,
.upload-zone:focus,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.upload-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--text-muted);
  transition: color var(--dur-fast);
}

.upload-zone:hover .upload-icon { color: var(--accent); }

.upload-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.upload-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ─── TRIPLE INPUT GROUP ─── */
.triple-input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ─── VIBE GRID ─── */
.vibe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.vibe-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 20px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
  user-select: none;
}

.vibe-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.vibe-card:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.vibe-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 20px var(--accent-glow);
}

.vibe-card.disabled {
    opacity: 0.55;
  opacity: 0.4;
  pointer-events: none;
}

.vibe-icon {
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: color var(--dur-fast);
}

.vibe-card.selected .vibe-icon,
.vibe-card:hover .vibe-icon { color: var(--accent); }

.vibe-name {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.vibe-desc {
  font-size: 0.68rem;
  color: var(--text-muted);
}

/* ─── PAGES GRID ─── */
.pages-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all var(--dur-fast) var(--ease-out);
  user-select: none;
}

.page-chip input { position: absolute; opacity: 0; pointer-events: none; }

.page-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.page-chip.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}

.page-count-badge {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}

#pageCountNum {
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
  transition: color var(--dur-fast);
}

.minimum-indicator {
  color: var(--error);
  font-size: 0.72rem;
  transition: color var(--dur-fast);
}

.minimum-indicator.met { color: var(--success); }

/* ─── FEATURE PILLS ─── */
.features-flex {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: all var(--dur-fast) var(--ease-out);
  user-select: none;
}

.feature-pill input { position: absolute; opacity: 0; pointer-events: none; }

.feature-pill:hover { border-color: var(--accent); color: var(--text-primary); }
.feature-pill.selected {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── COMPETITOR ROWS ─── */
.competitor-list { display: flex; flex-direction: column; gap: 12px; }

.competitor-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: center;
}

.remove-competitor {
  background: none;
  border: 1px solid var(--border-default);
  color: var(--text-muted);
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all var(--dur-fast) var(--ease-out);
  flex-shrink: 0;
}

.remove-competitor:hover {
  border-color: var(--error);
  color: var(--error);
}

.btn--add {
  margin-top: 8px;
  align-self: flex-start;
  font-size: 0.8rem;
}

/* ─── MARKET POSITION SLIDER ─── */
.position-slider-wrap { display: flex; flex-direction: column; gap: 12px; }

.slider-poles {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.position-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: linear-gradient(
    to right,
    var(--accent) 0%,
    var(--accent) calc(var(--val, 70%) ),
    var(--border-default) calc(var(--val, 70%)),
    var(--border-default) 100%
  );
  border-radius: var(--radius-pill);
  outline: none;
  cursor: pointer;
}

.position-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 3px solid var(--bg-base);
  box-shadow: 0 0 12px var(--accent-glow);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out);
}

.position-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

.slider-value {
  text-align: center;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  transition: color var(--dur-slow) var(--ease-out);
}

/* ─── SUBSECTION DIVIDERS ─── */
.subsection-divider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  margin-top: 8px;
}

.subsection-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-subtle);
}

.divider-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  transition: color var(--dur-slow) var(--ease-out);
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  border: none;
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Next button */
.btn--next {
  background: var(--accent);
  color: #000;
  margin-left: auto;
}

.btn--next:hover {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

/* Back button */
.btn--back {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
}

.btn--back:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Ghost */
.btn--ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-glow);
}

.btn--ghost:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* Submit */
.btn--submit {
  position: relative;
  background: var(--accent);
  color: #000;
  padding: 16px 36px;
  overflow: hidden;
  margin-left: auto;
  font-size: 0.875rem;
  letter-spacing: 0.08em;
}

.btn-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,0.25) 50%,
    transparent 70%
  );
  transform: translateX(-100%);
  transition: transform 0.5s var(--ease-out);
}

.btn--submit:hover .btn-shimmer {
  transform: translateX(100%);
}

.btn--submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--accent-glow);
}

.btn--submit:active { transform: translateY(0); }

.btn-arrow { font-size: 1rem; }

/* ─── SECTION NAV ─── */
.section-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--border-subtle);
}

.nav-spacer { flex: 1; }

/* ─── SUCCESS STATE ─── */
.success-section { text-align: center; }

.success-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 80px 24px;
}

.success-mark {
  font-size: 4rem;
  color: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

.success-sub { max-width: 440px; line-height: 1.8; }

.success-summary {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 24px 32px;
  text-align: left;
  font-size: 0.875rem;
  color: var(--text-secondary);
  width: 100%;
  max-width: 440px;
  line-height: 2;
}

/* ─── VALIDATION TOAST ─── */
.validation-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-elevated);
  border: 1px solid var(--error);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--error);
  z-index: 1000;
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out),
              transform var(--dur-mid) var(--ease-out);
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
}

.validation-toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 640px) {
  .progress-rail {
    padding: 12px 16px;
    gap: 16px;
  }

  .rail__steps { gap: 0; }
  .step-connector { width: 20px; }
  .dot-label { display: none; }

  .field-grid {
    grid-template-columns: 1fr;
  }

  .field-group--half { grid-column: 1 / -1; }

  .vibe-grid {
    grid-template-columns: 1fr 1fr;
  }

  .competitor-row {
    grid-template-columns: 1fr;
  }

  .section-nav { flex-direction: column-reverse; }
  .btn--next, .btn--back, .btn--submit { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
