/* ============================================
   Hambot — Design System
   Typography-led, mobile-first, warm & decisive
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colors */
  --bg: #F8F7F4;
  --surface: #FFFFFF;
  --text-primary: #1C1B18;
  --text-muted: #8A8880;
  --accent: #E8612C;
  --accent-light: #FFF0E8;
  --success: #4CAF87;
  --border: #E8E6E1;
  --disabled-bg: #E8E6E1;
  --disabled-text: #8A8880;

  /* Typography */
  --font-display: 'Cabinet Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.35s;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 56px;
  display: flex;
  align-items: center;
}

.header-inner {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

/* --- App Container --- */
#app {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.steps-container {
  flex: 1;
  position: relative;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

/* --- Steps --- */
.step {
  display: none;
  flex-direction: column;
  min-height: calc(100dvh - 56px);
  padding: var(--space-lg) var(--space-md);
  padding-bottom: 100px;
  animation: fadeSlideIn var(--duration) var(--ease-out);
}

.step.active {
  display: flex;
}

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

.step-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* --- Landing --- */
#step-landing .step-content {
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 14vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-tagline {
  font-family: var(--font-body);
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 260px;
}

/* --- Step Labels & Questions --- */
.step-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
}

.step-question {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.step-hint {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-lg);
}

/* --- Selection Cards --- */
.select-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.select-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  height: 56px;
  padding: 0 var(--space-md);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  text-align: left;
}

.select-card:hover {
  border-color: var(--text-muted);
}

.select-card.selected {
  border-color: var(--accent);
  border-width: 2px;
  background: var(--accent-light);
  color: var(--accent);
}

.select-card .card-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.select-card .card-label {
  font-weight: 500;
}

/* --- Text Inputs --- */
.text-input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-primary);
  background: transparent;
  border: none;
  border-bottom: 1.5px solid var(--border);
  padding: var(--space-sm) 0;
  outline: none;
  transition: border-color var(--duration) var(--ease-out);
}

.text-input::placeholder {
  font-style: italic;
  color: var(--text-muted);
}

.text-input:focus {
  border-bottom-color: var(--accent);
}

.text-input.textarea {
  resize: none;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  line-height: 1.5;
}

.text-input.textarea:focus {
  border-color: var(--accent);
}

.custom-input-wrap {
  margin-top: var(--space-sm);
}

.char-count {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--space-xs);
  min-height: 16px;
}

/* --- CTA Buttons --- */
.step-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: var(--bg);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--space-sm);
  z-index: 50;
  justify-content: center;
}

.step-footer .cta-btn {
  max-width: 480px;
  flex: 1;
}

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 56px;
  background: var(--accent);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.cta-btn:hover {
  filter: brightness(1.05);
}

.cta-btn:active {
  transform: scale(0.98);
}

.cta-btn:disabled {
  background: var(--disabled-bg);
  color: var(--disabled-text);
  cursor: not-allowed;
}

.cta-btn:disabled:active {
  transform: none;
}

.cta-btn i {
  font-size: 20px;
  margin-right: 6px;
}

.cta-btn.secondary {
  background: transparent;
  color: var(--text-muted);
  border: 1.5px solid var(--border);
}

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

/* --- Processing --- */
.processing-content {
  align-items: center;
  justify-content: center;
  text-align: center;
}

.processing-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
}

.processing-dots {
  display: flex;
  gap: 10px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.4s infinite ease-in-out;
}

.dot:nth-child(2) {
  animation-delay: 0.2s;
}

.dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes pulse {
  0%, 80%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
}

/* --- Results --- */
.results-intro {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.results-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.result-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--duration) var(--ease-out);
}

.result-card .vibe-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: var(--space-sm);
}

.result-card .option-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.result-card .option-reason {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
}

.result-card .option-budget {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

/* Decide For Me — winner state */
.result-card.winner {
  border-color: var(--accent);
  border-width: 2px;
  background: var(--accent-light);
  transform: scale(1.02);
  box-shadow: 0 8px 32px rgba(232, 97, 44, 0.15);
}

.result-card.faded {
  opacity: 0.35;
  transform: scale(0.97);
  filter: grayscale(0.4);
}

/* --- Results Actions --- */
.results-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.decide-btn {
  background: var(--text-primary);
}

.decide-btn:hover {
  filter: brightness(1.1);
}

/* --- Responsive --- */
@media (min-width: 481px) {
  .step {
    padding: var(--space-xl) var(--space-lg);
    padding-bottom: 120px;
  }
}

/* --- Pro Badge (Header) --- */
.pro-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 100px;
}

/* --- Model Picker (Pro only) --- */
.model-picker {
  padding: 0 var(--space-md);
  margin-bottom: var(--space-md);
}

.model-picker-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.model-options {
  display: flex;
  gap: var(--space-sm);
}

.model-option {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-xs);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  text-align: center;
}

.model-option input {
  display: none;
}

.model-option.selected {
  border-color: var(--accent);
  background: var(--accent-light);
}

.model-name {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.model-tier {
  font-size: 11px;
  color: var(--text-muted);
}

/* --- Rate Limit Card --- */
.rate-limit-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

.rate-limit-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.rate-limit-sub {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.rate-limit-reset {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
}

.rate-limit-card .paywall-trigger {
  max-width: 280px;
  margin: 0 auto;
}

/* --- Upgrade Footer --- */
.upgrade-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-sm) var(--space-md);
  background: var(--bg);
  border-top: 1px solid var(--border);
  display: none;
  justify-content: center;
  z-index: 40;
}

.upgrade-footer-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 13px;
  color: var(--accent);
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
}

.upgrade-footer-btn:hover {
  text-decoration: underline;
}

/* --- Paywall Overlay --- */
.paywall-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 27, 24, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration) var(--ease-out);
}

.paywall-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.paywall-sheet {
  background: var(--surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  width: 100%;
  max-width: 480px;
  position: relative;
  transform: translateY(100%);
  transition: transform var(--duration) var(--ease-out);
}

.paywall-overlay.active .paywall-sheet {
  transform: translateY(0);
}

.paywall-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-xs);
}

.paywall-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.paywall-title i {
  color: var(--accent);
}

.paywall-benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.paywall-benefits li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 15px;
  color: var(--text-primary);
}

.paywall-benefits li i {
  color: var(--success);
  font-size: 18px;
}

.paywall-price {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.paywall-later {
  display: block;
  width: 100%;
  background: none;
  border: none;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  cursor: pointer;
  padding: var(--space-sm);
  margin-top: var(--space-sm);
  text-align: center;
}

.paywall-later:hover {
  color: var(--text-primary);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}