/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root {
  --bg:               oklch(97.5% 0.008 240);
  --surface:          oklch(100% 0.003 240);
  --border:           oklch(88% 0.012 240);
  --text:             oklch(17% 0.025 240);
  --text-secondary:   oklch(50% 0.018 240);
  --text-secondary-dimmed: oklch(66% 0.012 240);

  --accent:           oklch(52% 0.22 252);
  --accent-dark:      oklch(42% 0.22 252);
  --accent-light:     oklch(95% 0.014 240);
  --accent-glow:      oklch(52% 0.22 252 / 0.15);

  --danger:           oklch(52% 0.19 25);
  --danger-bg:        oklch(97% 0.015 25);
  --info:             oklch(52% 0.16 248);
  --info-bg:          oklch(97% 0.014 248);
  --scope:            oklch(52% 0.16 155);
  --scope-bg:         oklch(97% 0.014 155);
  --win:              oklch(52% 0.14 250);
  --win-bg:           oklch(97% 0.014 250);

  --success:          oklch(55% 0.16 150);
  --success-bg:       oklch(96% 0.02 150);

  --radius:           14px;
  --radius-sm:        8px;
  --ease-out:         cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── Dark mode ──────────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
  :root:not(.theme-light) {
    --bg:               oklch(13% 0.022 245);
    --surface:          oklch(18% 0.022 245);
    --border:           oklch(28% 0.022 245);
    --text:             oklch(93% 0.008 240);
    --text-secondary:   oklch(63% 0.014 240);
    --text-secondary-dimmed: oklch(47% 0.01 240);

    --accent:           oklch(68% 0.18 245);
    --accent-dark:      oklch(58% 0.2 245);
    --accent-light:     oklch(22% 0.04 245);
    --accent-glow:      oklch(68% 0.18 245 / 0.22);

    --danger:           oklch(68% 0.16 25);
    --danger-bg:        oklch(20% 0.05 25);
    --info:             oklch(68% 0.14 248);
    --info-bg:          oklch(20% 0.05 248);
    --scope:            oklch(68% 0.14 155);
    --scope-bg:         oklch(20% 0.05 155);
    --win:              oklch(68% 0.13 250);
    --win-bg:           oklch(20% 0.05 250);

    --success:          oklch(68% 0.15 150);
    --success-bg:       oklch(20% 0.05 150);
  }
}

:root.theme-dark {
  --bg:               oklch(13% 0.022 245);
  --surface:          oklch(18% 0.022 245);
  --border:           oklch(28% 0.022 245);
  --text:             oklch(93% 0.008 240);
  --text-secondary:   oklch(63% 0.014 240);
  --text-secondary-dimmed: oklch(47% 0.01 240);

  --accent:           oklch(68% 0.18 245);
  --accent-dark:      oklch(58% 0.2 245);
  --accent-light:     oklch(22% 0.04 245);
  --accent-glow:      oklch(68% 0.18 245 / 0.22);

  --danger:           oklch(68% 0.16 25);
  --danger-bg:        oklch(20% 0.05 25);
  --info:             oklch(68% 0.14 248);
  --info-bg:          oklch(20% 0.05 248);
  --scope:            oklch(68% 0.14 155);
  --scope-bg:         oklch(20% 0.05 155);
  --win:              oklch(68% 0.13 250);
  --win-bg:           oklch(20% 0.05 250);

  --success:          oklch(68% 0.15 150);
  --success-bg:       oklch(20% 0.05 150);
}

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

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

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── Site header ────────────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem clamp(1.25rem, 6vw, 2.5rem) 0.75rem;
  max-width: 740px;
  margin: 0 auto;
}

.site-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.site-name strong {
  color: var(--accent);
  font-weight: 800;
}

.site-tagline {
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.theme-btn {
  margin-left: auto;
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  flex-shrink: 0;
}

.theme-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
}

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

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

.progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.5s var(--ease-out);
}

/* ── Wizard shell ───────────────────────────────────────────────────────── */
.wizard {
  position: relative;
  min-height: 100dvh;
  display: grid;
  overflow: hidden;
}

/* ── Steps ──────────────────────────────────────────────────────────────── */
.step {
  grid-area: 1 / 1;
  position: relative;
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 6vw, 2.5rem);
  max-width: 740px;
  margin: 0 auto;
  width: 100%;
  overflow: visible;
  display: none;
}

.step.active {
  display: block;
  animation: stepIn 0.4s var(--ease-out) both;
}

.step.leaving {
  display: block;
  animation: stepOut 0.22s ease-in both;
  pointer-events: none;
}

@keyframes stepIn {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: none; }
}

@keyframes stepBack {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: none; }
}

@keyframes stepOut {
  to { opacity: 0; transform: translateX(-24px); }
}

@keyframes stepOutBack {
  to { opacity: 0; transform: translateX(24px); }
}

/* Big decorative step number */
.step-bg-num {
  position: absolute;
  top: 1rem;
  right: -0.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(7rem, 22vw, 12rem);
  line-height: 1;
  color: var(--accent);
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.04em;
}

.step-inner {
  position: relative;
  z-index: 1;
  padding-top: 1rem;
}

/* ── Typography ─────────────────────────────────────────────────────────── */
.step-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.step-heading {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 1rem;
}

.step-intro {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 52ch;
  margin-bottom: 2rem;
}

/* ── Warning cards ──────────────────────────────────────────────────────── */
.cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.card {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 1rem 1.125rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;

  opacity: 0;
  transform: translateY(12px);
  animation: cardIn 0.4s var(--ease-out) forwards;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }

@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}

.card--scope  { background: var(--scope-bg);  border-color: color-mix(in oklch, var(--scope)  30%, transparent); }
.card--danger { background: var(--danger-bg); border-color: color-mix(in oklch, var(--danger) 30%, transparent); }
.card--info   { background: var(--info-bg);   border-color: color-mix(in oklch, var(--info)   30%, transparent); }
.card--windows { background: var(--win-bg);   border-color: color-mix(in oklch, var(--win)    30%, transparent); }

.card__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
}

.card--scope  .card__icon { color: var(--scope); }
.card--danger .card__icon { color: var(--danger); }
.card--info   .card__icon { color: var(--info); }
.card--windows .card__icon { color: var(--win); fill: var(--win); }

.card__icon svg { width: 100%; height: 100%; }

.card__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.9rem;
  line-height: 1.5;
}

.card__body strong {
  font-weight: 500;
  color: var(--text);
}

.card__body span {
  color: var(--text-secondary);
}

/* ── Illustration (step 1) ──────────────────────────────────────────────── */
.illustration {
  display: flex;
  justify-content: center;
  margin: 1.5rem 0 2rem;
}

.illus-scene {
  position: relative;
  width: 260px;
  padding-top: 20px;
  flex-shrink: 0;
}

.illus-radio {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 2;
}

/* Cable floats behind the radio's top edge */
.illus-cable-wrap {
  position: absolute;
  top: 35px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  animation: cableFloat 2.8s ease-in-out infinite;
  z-index: 1;
}

.illus-cable {
  width: 70px;
  height: auto;
  display: block;
}

/* "to PC" label above the cable */
.illus-to-pc {
  position: absolute;
  top: 4px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0;
  z-index: 3;
}

/* Port label — just above the radio body */
.illus-port-label {
  position: absolute;
  top: 58px;
  left: 143px;
  font-size: 10px;
  font-weight: 500;
  color: var(--accent);
  white-space: nowrap;
  pointer-events: none;
  z-index: 3;
}

@keyframes cableFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

/* ── Instruction list ───────────────────────────────────────────────────── */
.instr-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}

.instr-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.instr-list strong { color: var(--text); font-weight: 500; }

.instr-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent-light);
  border: 1.5px solid color-mix(in oklch, var(--accent) 30%, transparent);
  color: var(--accent-dark);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

/* ── Hint text ──────────────────────────────────────────────────────────── */
.hint {
  font-size: 0.83rem;
  color: var(--text-secondary-dimmed);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 2rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}

/* ── Driver options (step 2) ────────────────────────────────────────────── */
.driver-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 560px) {
  .driver-options { flex-direction: row; }
}

.driver-option {
  flex: 1;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  position: relative;
}

.driver-option--primary {
  border-color: color-mix(in oklch, var(--accent) 40%, transparent);
  background: var(--accent-light);
}

.driver-option__badge {
  position: absolute;
  top: -0.7rem;
  left: 1rem;
  background: var(--accent);
  color: white;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
}

.driver-option h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-top: 0.5rem;
}

.driver-option p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  flex: 1;
}

.ok-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.875rem 1.25rem;
  background: var(--success-bg);
  border: 1px solid color-mix(in oklch, var(--success) 30%, transparent);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 2rem;
}

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

/* ── Pair area (step 3) ─────────────────────────────────────────────────── */
.pair-area {
  margin: 2rem 0;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pair-idle {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
}

.pair-usb-icon {
  width: 72px;
  height: 72px;
  animation: pairPulse 2.5s ease-in-out infinite;
}

@keyframes pairPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50%       { transform: scale(1.07); opacity: 1; }
}

.pair-idle__label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
}

.pair-connected {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: var(--success-bg);
  border: 1px solid color-mix(in oklch, var(--success) 30%, transparent);
  border-radius: var(--radius);
  animation: slideUp 0.4s var(--ease-out);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.pair-connected__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
  animation: connectedDot 2s ease-in-out infinite;
}

@keyframes connectedDot {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--success) 50%, transparent); }
  50%       { box-shadow: 0 0 0 6px color-mix(in oklch, var(--success) 0%, transparent); }
}

.pair-connected__text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.pair-connected__text strong {
  font-weight: 600;
  color: var(--success);
  font-size: 1rem;
}

.pair-connected__text span {
  font-size: 0.83rem;
  color: var(--text-secondary);
}

.pair-hint {
  padding: 0.75rem 1rem;
  background: var(--accent-light);
  border: 1px solid color-mix(in oklch, var(--accent) 25%, transparent);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

/* ── "Can't see" button ─────────────────────────────────────────────────── */
.cant-see-row {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}

.cant-see-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.cant-see-btn:hover {
  color: var(--text);
  background: var(--accent-light);
}

.cant-see-btn svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* ── Driver help panel ──────────────────────────────────────────────────── */
.driver-help {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s var(--ease-out);
  margin-top: 0.5rem;
}

.driver-help.open {
  grid-template-rows: 1fr;
}

.driver-help__inner {
  overflow: hidden;
  padding: 0 0.25rem;
}

.driver-help.open .driver-help__inner {
  padding-bottom: 1rem;
}

.driver-help__lead {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 1rem 0 1.25rem;
}

/* ── Trick steps (step 4) ───────────────────────────────────────────────── */
.trick-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 2rem 0;
}

.trick-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  background: var(--surface);
}

.trick-step__num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--text);
  color: var(--surface);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trick-step--action .trick-step__num {
  background: var(--accent);
}

.trick-step__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.trick-step__body strong {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.trick-step__body span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.trick-connector {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 1.25rem;
  color: var(--text-secondary-dimmed);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.trick-connector__line {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ── Exit button ────────────────────────────────────────────────────────── */
.btn--exit {
  width: 100%;
  margin-top: 1.5rem;
  padding: 1.5rem 2rem;
  border-radius: var(--radius);
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1rem, 3vw, 1.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  animation: exitPulse 2.5s ease-in-out infinite;
  box-shadow: 0 0 0 0 var(--accent-glow);
}

.btn--exit:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
  animation: none;
}

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

.btn--exit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  animation: none;
}

@keyframes exitPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 12px color-mix(in oklch, var(--accent) 0%, transparent); }
}

.btn--exit__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

/* ── Exit status ────────────────────────────────────────────────────────── */
.exit-status {
  margin-top: 1rem;
  min-height: 2rem;
  font-size: 0.9rem;
  text-align: center;
  color: var(--text-secondary);
}

.exit-status.loading {
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.exit-status.loading::before {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

.exit-status.error { color: var(--danger); }

/* ── Success (step 5) ───────────────────────────────────────────────────── */
.success-burst {
  position: absolute;
  top: 3rem;
  right: 2rem;
  width: 200px;
  height: 200px;
  pointer-events: none;
}

.tips {
  padding: 1.25rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

.tips h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tips ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  padding: 0;
}

.tips li {
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
}

.tips li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.tips li strong {
  color: var(--text);
  font-weight: 500;
}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: 8px;
  border: 1.5px solid transparent;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s, box-shadow 0.15s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn--primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn--primary:hover {
  background: oklch(28% 0.022 65);
  border-color: oklch(28% 0.022 65);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn--ghost:hover {
  background: var(--surface);
  color: var(--text);
  border-color: oklch(78% 0.02 65);
}

.btn--large {
  padding: 0.9rem 1.75rem;
  font-size: 1rem;
}

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

/* ── Step actions ───────────────────────────────────────────────────────── */
.step-actions {
  margin-top: 1.5rem;
}

.step-actions--row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.disclaimer {
  font-size: 0.78rem;
  color: var(--text-secondary-dimmed);
  margin-top: 0.75rem;
  font-style: italic;
}

/* ── Content stagger on step enter ─────────────────────────────────────── */
.step.active .step-tag     { animation: fadeUp 0.4s var(--ease-out) 0.05s both; }
.step.active .step-heading { animation: fadeUp 0.4s var(--ease-out) 0.10s both; }
.step.active .step-intro   { animation: fadeUp 0.4s var(--ease-out) 0.16s both; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .trick-step { flex-direction: column; }
  .btn--exit  { font-size: 0.95rem; padding: 1.25rem; }
}