/* ═══════════════════════════════════════════════════════════
   Grand Opening Landing Page — Styles
   Mobile-first, config-driven, zero external CSS deps.
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Brand colours — injected by JS from API response */
  --clr-primary:   #E53935;
  --clr-secondary: #FFC107;
  --clr-accent:    #212121;

  /* Neutral palette */
  --clr-white:     #FFFFFF;
  --clr-gray-50:   #FAFAFA;
  --clr-gray-100:  #F5F5F5;
  --clr-gray-200:  #EEEEEE;
  --clr-gray-300:  #E0E0E0;
  --clr-gray-400:  #BDBDBD;
  --clr-gray-500:  #9E9E9E;
  --clr-gray-600:  #757575;
  --clr-gray-700:  #616161;
  --clr-gray-800:  #424242;
  --clr-gray-900:  #212121;

  /* Semantic */
  --clr-success:   #2E7D32;
  --clr-error:     #C62828;
  --clr-error-bg:  #FFEBEE;
  --clr-warning:   #F57C00;

  /* Typography */
  --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono:     'SF Mono', SFMono-Regular, ui-monospace, monospace;

  --text-xs:       0.75rem;
  --text-sm:       0.875rem;
  --text-base:     1rem;
  --text-lg:       1.125rem;
  --text-xl:       1.25rem;
  --text-2xl:      1.5rem;
  --text-3xl:      2rem;
  --text-4xl:      2.5rem;

  /* Spacing */
  --space-1:       0.25rem;
  --space-2:       0.5rem;
  --space-3:       0.75rem;
  --space-4:       1rem;
  --space-5:       1.25rem;
  --space-6:       1.5rem;
  --space-8:       2rem;
  --space-10:      2.5rem;
  --space-12:      3rem;
  --space-16:      4rem;

  /* Layout */
  --max-width:     480px;
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --radius-full:   9999px;

  /* Shadows */
  --shadow-sm:     0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:     0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:     0 12px 40px rgba(0,0,0,0.12);
  --shadow-focus:  0 0 0 3px rgba(229,57,53,0.25);

  /* Transitions */
  --ease-out:      cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
}

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

html {
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--clr-gray-900);
  background: var(--clr-gray-50);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  -webkit-appearance: none;
  appearance: none;
}

input {
  font-family: inherit;
  -webkit-appearance: none;
  appearance: none;
}

/* ── Progress Bar ── */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--clr-gray-200);
  z-index: 100;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--clr-primary);
  transition: width var(--duration-slow) var(--ease-out);
}

/* ── Step Counter ── */
.step-counter {
  position: fixed;
  top: 12px;
  right: 16px;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-gray-500);
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--clr-gray-200);
}

.step-current {
  color: var(--clr-primary);
}

/* ── Funnel Container ── */
.funnel {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* ── Steps ── */
.step {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  padding: var(--space-6) var(--space-5);
  padding-top: 56px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateX(100%);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}

.step[hidden] {
  display: none !important;
}

.step.is-active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
}

.step.is-exit {
  opacity: 0;
  transform: translateX(-40%);
  position: absolute;
}

/* ── Hero Step ── */
.step--hero {
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: var(--space-5);
  padding-top: var(--space-8);
}

.hero-media {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-full);
  background: var(--clr-white);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  animation: heroPop 0.6s var(--ease-spring) 0.1s both;
}

.hero-logo {
  width: auto;
  height: auto;
  max-width: min(160px, 52vw);
  max-height: 90px;
  object-fit: contain;
}

.hero-title {
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.1;
  color: var(--clr-accent);
  letter-spacing: -0.03em;
  animation: fadeUp 0.5s var(--ease-out) 0.2s both;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-gray-600);
  max-width: 320px;
  line-height: 1.5;
  animation: fadeUp 0.5s var(--ease-out) 0.35s both;
}

.hero-urgency {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, #FFF3E0, #FFE0B2);
  color: var(--clr-warning);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  animation: fadeUp 0.5s var(--ease-out) 0.45s both;
}

.hero-urgency svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
}

.hero-terms {
  font-size: var(--text-xs);
  color: var(--clr-gray-500);
  max-width: 280px;
  line-height: 1.5;
  margin-top: var(--space-4);
  animation: fadeUp 0.5s var(--ease-out) 0.55s both;
}

/* ── Step Header (shared) ── */
.step-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  position: sticky;
  top: 0;
  background: var(--clr-gray-50);
  padding: var(--space-2) 0;
  z-index: 10;
}

.back-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  color: var(--clr-gray-700);
  transition: all var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.back-btn:active {
  transform: scale(0.92);
  background: var(--clr-gray-100);
}

.back-btn svg {
  width: 20px;
  height: 20px;
}

.step-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
}

/* ── Offers Grid ── */
.offers-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.offer-card {
  background: var(--clr-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
  overflow: hidden;
  transition: all var(--duration-base) var(--ease-out);
  cursor: pointer;
  position: relative;
}

.offer-card:hover:not(.is-disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.offer-card.is-selected {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(229,57,53,0.12), var(--shadow-md);
}

.offer-card.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.offer-card__media {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.offer-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}

.offer-card:hover:not(.is-disabled) .offer-card__media img {
  transform: scale(1.05);
}

.offer-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--clr-primary);
  color: var(--clr-white);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.offer-card__remaining {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background: rgba(33,33,33,0.85);
  backdrop-filter: blur(4px);
  color: var(--clr-white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.offer-card__remaining.is-low {
  background: rgba(198,40,40,0.9);
}

.offer-card__body {
  padding: var(--space-4);
}

.offer-card__name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--clr-accent);
  margin-bottom: var(--space-1);
  line-height: 1.3;
}

.offer-card__desc {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  line-height: 1.5;
  margin-bottom: var(--space-3);
}

.offer-card__pricing {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.offer-card__price-old {
  font-size: var(--text-sm);
  color: var(--clr-gray-400);
  text-decoration: line-through;
}

.offer-card__price-new {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--clr-primary);
}

.offer-card__controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.qty-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--clr-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--clr-accent);
  transition: all var(--duration-fast) var(--ease-out);
  flex-shrink: 0;
}

.qty-btn:active {
  transform: scale(0.9);
  background: var(--clr-gray-200);
}

.qty-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.qty-btn svg {
  width: 16px;
  height: 16px;
}

.qty-value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--clr-accent);
  min-width: 24px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* ── Offers Summary Sticky ── */
.offers-summary {
  position: sticky;
  bottom: 0;
  background: linear-gradient(to top, var(--clr-gray-50) 70%, transparent);
  padding: var(--space-4) 0 var(--space-6);
  margin-top: auto;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: var(--clr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.summary-label {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  font-weight: 500;
}

.summary-value {
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--clr-accent);
}

/* ── Slots Step ── */
.slots-subtitle {
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
  margin-bottom: var(--space-5);
  line-height: 1.5;
}

.slots-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.slot-date-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.slot-date-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-gray-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-left: var(--space-2);
}

.slot-card {
  background: var(--clr-white);
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out);
}

.slot-card:hover:not(.is-disabled) {
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-sm);
}

.slot-card.is-selected {
  border-color: var(--clr-primary);
  background: linear-gradient(135deg, rgba(229,57,53,0.04), rgba(255,193,7,0.04));
  box-shadow: 0 0 0 3px rgba(229,57,53,0.12);
}

.slot-card.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--clr-gray-100);
}

.slot-card__time {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.slot-card__window {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--clr-accent);
}

.slot-card__duration {
  font-size: var(--text-xs);
  color: var(--clr-gray-500);
}

.slot-card__availability {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.slot-card__remaining {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-success);
}

.slot-card__remaining.is-low {
  color: var(--clr-error);
}

.slot-card__remaining.is-full {
  color: var(--clr-gray-400);
  font-weight: 500;
}

.slot-card__capacity-bar {
  width: 64px;
  height: 4px;
  background: var(--clr-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.slot-card__capacity-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--clr-success);
  transition: width var(--duration-slow) var(--ease-out);
}

.slot-card__capacity-fill.is-low {
  background: var(--clr-error);
}

.slots-summary {
  position: sticky;
  bottom: 0;
  background: linear-gradient(to top, var(--clr-gray-50) 70%, transparent);
  padding: var(--space-4) 0 var(--space-6);
  margin-top: auto;
}

/* ── Details Step ── */
.details-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-gray-700);
}

.field-group input {
  width: 100%;
  height: 52px;
  padding: 0 var(--space-4);
  border: 2px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--clr-accent);
  background: var(--clr-white);
  transition: all var(--duration-fast) var(--ease-out);
}

.field-group input::placeholder {
  color: var(--clr-gray-400);
}

.field-group input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: var(--shadow-focus);
}

.field-group input:invalid:not(:placeholder-shown) {
  border-color: var(--clr-error);
}

.field-hint {
  font-size: var(--text-xs);
  color: var(--clr-gray-500);
  line-height: 1.4;
}

.details-summary {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.details-summary__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-gray-700);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.details-summary__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--clr-gray-100);
  font-size: var(--text-sm);
}

.details-summary__item:last-child {
  border-bottom: none;
}

.details-summary__name {
  color: var(--clr-gray-700);
}

.details-summary__qty {
  color: var(--clr-gray-500);
  font-size: var(--text-xs);
}

.details-summary__price {
  font-weight: 700;
  color: var(--clr-accent);
  font-variant-numeric: tabular-nums;
}

.details-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 2px solid var(--clr-gray-200);
}

.details-summary__total-label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--clr-gray-700);
}

.details-summary__total-value {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--clr-primary);
  font-variant-numeric: tabular-nums;
}

.details-summary__slot {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--clr-gray-50);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--clr-gray-600);
}

.details-summary__slot svg {
  width: 16px;
  height: 16px;
  color: var(--clr-gray-500);
  flex-shrink: 0;
}

.details-payment-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: linear-gradient(135deg, #E8F5E9, #F1F8E9);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--clr-success);
  line-height: 1.5;
}

.details-payment-note svg {
  flex-shrink: 0;
  margin-top: 2px;
}

/* ── Success Step ── */
.step--success {
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: var(--space-5);
  padding-top: var(--space-12);
}

.success-icon {
  animation: scaleIn 0.5s var(--ease-spring) 0.1s both;
}

.success-title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
  animation: fadeUp 0.5s var(--ease-out) 0.25s both;
}

.success-message {
  font-size: var(--text-base);
  color: var(--clr-gray-600);
  max-width: 320px;
  line-height: 1.5;
  animation: fadeUp 0.5s var(--ease-out) 0.35s both;
}

.success-code-box {
  background: var(--clr-white);
  border: 2px dashed var(--clr-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: 300px;
  animation: fadeUp 0.5s var(--ease-out) 0.45s both;
}

.code-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--clr-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.code-value {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: 900;
  color: var(--clr-primary);
  letter-spacing: 0.08em;
}

.code-copy {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-primary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: rgba(229,57,53,0.08);
  transition: all var(--duration-fast) var(--ease-out);
}

.code-copy:active {
  transform: scale(0.95);
}

.code-copy.is-copied {
  color: var(--clr-success);
  background: rgba(46,125,50,0.08);
}

.success-details {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  width: 100%;
  max-width: 320px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.5s var(--ease-out) 0.55s both;
}

.success-detail-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--clr-gray-100);
}

.success-detail-row:last-child {
  border-bottom: none;
}

.success-detail-row svg {
  width: 18px;
  height: 18px;
  color: var(--clr-gray-400);
  flex-shrink: 0;
  margin-top: 2px;
}

.success-detail-label {
  font-size: var(--text-xs);
  color: var(--clr-gray-500);
  margin-bottom: 2px;
}

.success-detail-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--clr-accent);
}

.success-actions {
  width: 100%;
  max-width: 320px;
  margin-top: var(--space-4);
  animation: fadeUp 0.5s var(--ease-out) 0.65s both;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: 700;
  height: 52px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-out);
  width: 100%;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 4px 14px rgba(229,57,53,0.35);
}

.btn--primary:hover:not(:disabled) {
  background: #C62828;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(229,57,53,0.4);
}

.btn--primary:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

.btn--primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.btn--large {
  height: 56px;
  font-size: var(--text-lg);
}

.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.btn--reserve .btn-spinner {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: inherit;
}

.btn--reserve.is-loading .btn-text {
  opacity: 0;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--clr-error-bg);
  color: var(--clr-error);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  max-width: calc(100% - var(--space-8));
  width: max-content;
  transition: transform var(--duration-base) var(--ease-spring);
}

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

.toast svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Animations ── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroPop {
  from {
    opacity: 0;
    transform: scale(0.7);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* ── Loading State ── */
.loading-skeleton {
  background: linear-gradient(90deg, var(--clr-gray-100) 25%, var(--clr-gray-200) 50%, var(--clr-gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Tablet + Desktop ── */
@media (min-width: 640px) {
  :root {
    --text-3xl: 2.25rem;
    --text-4xl: 3rem;
  }

  .funnel {
    max-width: 520px;
  }

  .step {
    padding: var(--space-8) var(--space-6);
    padding-top: 64px;
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .offer-card__media {
    height: 220px;
  }
}

@media (min-width: 1024px) {
  .funnel {
    max-width: 560px;
  }

  .step--hero {
    padding-top: var(--space-16);
  }

  .hero-media {
    width: 160px;
    height: 160px;
  }

  .hero-logo {
    max-width: min(180px, 56vw);
    max-height: 100px;
  }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Focus Visible ── */
:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

/* ── Print ── */
@media print {
  .progress-bar, .step-counter, .back-btn, .btn {
    display: none !important;
  }

  .step {
    opacity: 1 !important;
    transform: none !important;
    position: relative !important;
  }

  .step[hidden] {
    display: flex !important;
  }
}