/* ═══════════════════════════════════════════════════════════
   Onebox — "Solder Mask" design system · DARK PCB
   FR-4 green board · copper traces · white silkscreen · gold pads
   ═══════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  /* board layers */
  --bg-deep:   #051a12;   /* page edge / drilled holes */
  --board:     #0b2e1f;   /* base solder mask */
  --board-hi:  #0f3a27;   /* raised surface */
  --well:      #071f15;   /* inset controls */
  --trace:     #1d5b3e;   /* trace lines */
  --trace-hi:  #2a7351;   /* hovered trace */

  /* metals */
  --copper:    #d18a45;
  --copper-hi: #eda85c;
  --copper-dim:  rgba(209, 138, 69, .12);
  --copper-ring: rgba(209, 138, 69, .22);
  --gold:      #d4af5e;

  /* silkscreen ink */
  --silk:   #e8edda;
  --silk-2: #a9bda5;
  --silk-3: #75937d;

  /* LEDs */
  --led-green:      #43e08a;
  --led-green-dim:  rgba(67, 224, 138, .12);
  --led-amber:      #ffb454;
  --led-amber-dim:  rgba(255, 180, 84, .12);
  --led-red:        #ff6a5e;
  --led-red-dim:    rgba(255, 106, 94, .10);

  /* legacy aliases (used by app.js inline styles) */
  --accent-green:  #43e08a;
  --border-subtle: #1d5b3e;

  /* type */
  --font-disp: 'Chakra Petch', 'Segoe UI', sans-serif;
  --font-body: 'Chakra Petch', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* radii — boards are sharp; keep concentric (outer = inner + padding) */
  --r-xs: 2px;
  --r-sm: 3px;
  --r-md: 4px;
  --r-lg: 6px;

  /* motion */
  --ease: cubic-bezier(.2, 0, 0, 1);
  --t-fast: 150ms;
  --t-med: 240ms;

  /* layout */
  --maxw: 780px;
}

/* ── Reset / base ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scrollbar-color: var(--trace) var(--bg-deep); }

body {
  margin: 0;
  background-color: var(--bg-deep);
  /* layer stack: faint trace routing → edge vignette (kept quiet for readability) */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='360'%3E%3Cg stroke='%231d5b3e' stroke-width='2' fill='none' opacity='0.16'%3E%3Cpath d='M0 90 H178 L238 150 V360'/%3E%3Cpath d='M60 0 V118 L152 210 H360'/%3E%3Cpath d='M360 62 H272 L182 152'/%3E%3Cpath d='M300 360 V300 L270 270'/%3E%3C/g%3E%3Cg fill='%23051a12' stroke='%231d5b3e' stroke-width='1.6' opacity='0.28'%3E%3Ccircle cx='178' cy='90' r='5'/%3E%3Ccircle cx='238' cy='225' r='5'/%3E%3Ccircle cx='152' cy='210' r='5'/%3E%3Ccircle cx='272' cy='62' r='5'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(1100px 560px at 50% -8%, rgba(29, 91, 62, .3), transparent 62%);
  background-size: 360px 360px, auto;
  color: var(--silk);
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--copper-dim); color: var(--copper-hi); }

a { color: var(--copper); }

.app {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.hidden { display: none !important; }

code, .code-chip {
  font-family: var(--font-mono);
  font-size: .85em;
  color: var(--led-amber);
}

.code-chip {
  background: var(--led-amber-dim);
  border: 1px solid rgba(255, 180, 84, .3);
  border-radius: var(--r-xs);
  padding: 1px 6px;
}

/* ── Focus visibility ───────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* ── Board edge: top strip ──────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  margin: 0 -20px;
  padding: 10px 20px;
  background: rgba(5, 26, 18, .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--trace);
  /* copper pour along the board edge */
  box-shadow: inset 0 -2px 0 rgba(209, 138, 69, .35);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--silk);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: var(--board-hi);
  border: 1px solid var(--copper);
  color: var(--copper);
  box-shadow: inset 0 0 8px rgba(209, 138, 69, .18);
}

.brand-word { display: flex; flex-direction: column; line-height: 1.15; }

.brand-name {
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .14em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--silk-3);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid rgba(67, 224, 138, .4);
  border-radius: var(--r-xs);
  background: var(--led-green-dim);
  color: var(--led-green);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.status-led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: led-pulse 2.6s var(--ease) infinite;
}

/* ── Hero: silkscreen layer ─────────────────────────────── */
.stage { padding-top: 54px; padding-bottom: 40px; }

.hero { padding-bottom: 34px; }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--copper);
}

.kicker-via {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--copper);
}

.hero-title { margin: 0 0 16px; }

.hero-title-main {
  display: block;
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 4.6rem);
  line-height: .98;
  letter-spacing: .06em;
  color: var(--silk);
  /* silkscreen print: faint offset duplicate */
  text-shadow: 2px 2px 0 rgba(29, 91, 62, .9);
}

.hero-title-sub {
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(.82rem, 3.2vw, 1rem);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silk-2);
}

.hero-title-sub::before { content: "// "; color: var(--copper); }

.hero-desc {
  max-width: 56ch;
  margin: 0 0 26px;
  color: var(--silk-2);
}

/* spec list — the board's datasheet strip */
.spec-list {
  list-style: none;
  margin: 0;
  padding: 4px;
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-lg);
  box-shadow: 0 1px 0 rgba(233, 237, 218, .04) inset, 0 12px 28px -18px rgba(0, 0, 0, .7);
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 12px;
  font-size: .9rem;
  color: var(--silk-2);
}

.spec-item + .spec-item { border-top: 1px dashed var(--trace); }

.spec-pad {
  display: grid;
  place-items: center;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--well);
  border: 1.5px solid var(--led-green);
  color: var(--led-green);
}

.spec-text { line-height: 1.45; }

/* ── Panel (quote form board) ───────────────────────────── */
.panel {
  position: relative;
  background: var(--board-hi);
  border: 1px solid var(--trace-hi);
  border-radius: var(--r-lg);
  padding: 24px 24px 26px;
  box-shadow:
    0 1px 0 rgba(233, 237, 218, .06) inset,
    0 2px 0 rgba(209, 138, 69, .25) inset,
    0 26px 48px -26px rgba(0, 0, 0, .8);
}

/* corner mounting holes: drilled hole + gold annular ring */
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, var(--bg-deep) 0 2.6px, var(--gold) 3px 5px, transparent 5.6px),
    radial-gradient(circle, var(--bg-deep) 0 2.6px, var(--gold) 3px 5px, transparent 5.6px),
    radial-gradient(circle, var(--bg-deep) 0 2.6px, var(--gold) 3px 5px, transparent 5.6px),
    radial-gradient(circle, var(--bg-deep) 0 2.6px, var(--gold) 3px 5px, transparent 5.6px);
  background-size: 13px 13px;
  background-position: 9px 9px, calc(100% - 9px) 9px, 9px calc(100% - 9px), calc(100% - 9px) calc(100% - 9px);
  background-repeat: no-repeat;
  opacity: .9;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--trace);
}

.panel-title {
  margin: 0 0 3px;
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.42rem;
  letter-spacing: .03em;
  color: var(--silk);
}

.panel-sub { margin: 0; font-size: .84rem; color: var(--silk-3); }

.panel-tag {
  flex: none;
  margin-top: 3px;
  padding: 5px 10px;
  border: 1px solid rgba(209, 138, 69, .5);
  border-radius: var(--r-xs);
  background: var(--copper-dim);
  color: var(--copper-hi);
  font-family: var(--font-mono);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* ── Error banner ───────────────────────────────────────── */
.form-error-banner {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 106, 94, .45);
  border-radius: var(--r-md);
  background: var(--led-red-dim);
  color: #ffb3ac;
  font-size: .88rem;
  line-height: 1.5;
}

.error-icon { flex: none; margin-top: 1px; color: var(--led-red); }

/* ── Form fields ────────────────────────────────────────── */
.quote-form { display: flex; flex-direction: column; gap: 20px; }

.field { display: flex; flex-direction: column; gap: 8px; }

.field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.field-label {
  font-weight: 600;
  font-size: .92rem;
  letter-spacing: .02em;
  color: var(--silk);
}

.field-tag {
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silk-3);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.field-tag-req { color: var(--led-amber); }

.tag-led {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 5px currentColor;
}

.field-hint {
  margin: 0;
  font-size: .8rem;
  color: var(--silk-3);
  line-height: 1.5;
}

/* wells */
.control {
  width: 100%;
  padding: 12px 14px;
  background: var(--well);
  border: 1px solid var(--trace);
  border-radius: var(--r-sm);
  color: var(--silk);
  font-family: var(--font-body);
  font-size: .95rem;
  caret-color: var(--copper);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.control::placeholder { color: #54755f; }

.control:hover { border-color: var(--trace-hi); }

.control:focus {
  outline: none;
  border-color: var(--copper);
  box-shadow: 0 0 0 3px var(--copper-ring);
}

.control.input-error {
  border-color: var(--led-red);
  box-shadow: 0 0 0 3px var(--led-red-dim);
}

.control-area {
  font-family: var(--font-mono);
  font-size: .86rem;
  line-height: 1.6;
  resize: vertical;
  min-height: 120px;
}

select.control {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

select.control option { background: var(--well); color: var(--silk); }

.select-wrap { position: relative; }

.select-chevron {
  position: absolute;
  top: 50%;
  right: 13px;
  transform: translateY(-50%);
  color: var(--silk-3);
  pointer-events: none;
}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--silk);
  box-shadow: 0 0 0 1000px var(--well) inset;
  border-color: var(--trace);
}

/* two-up row */
.form-row-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* ── Country chips: gold pads ───────────────────────────── */
.quick-select { display: flex; align-items: center; gap: 10px; }

.quick-label {
  flex: none;
  font-size: .78rem;
  color: var(--silk-3);
}

.chip-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.chip-row::-webkit-scrollbar { display: none; }

.chip {
  flex: none;
  padding: 7px 13px;
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-xs);
  color: var(--silk-2);
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.chip:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.chip:active { transform: scale(.96); }

.chip.active {
  background: var(--copper-dim);
  border-color: var(--copper-hi);
  color: var(--copper-hi);
}

/* ── Preset selector block ──────────────────────────────── */
.preset-selector-block {
  margin: 10px 0 12px 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preset-header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.preset-category-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.preset-category-tabs::-webkit-scrollbar { display: none; }

.preset-tab {
  padding: 4px 10px;
  background: transparent;
  border: 1px solid var(--trace);
  border-radius: var(--r-xs);
  color: var(--silk-3);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--t-fast) var(--ease);
}

.preset-tab:hover {
  color: var(--silk-1);
  border-color: var(--silk-3);
}

.preset-tab.active {
  background: var(--copper-dim);
  border-color: var(--copper);
  color: var(--copper-hi);
  font-weight: 600;
}

.preset-chip-row {
  margin-top: 2px;
}

/* ── BOM actions ────────────────────────────────────────── */
.bom-actions { display: flex; gap: 8px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-sm);
  color: var(--silk-2);
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.btn-ghost:hover {
  border-color: var(--copper);
  background: var(--copper-dim);
  color: var(--copper-hi);
}

.btn-ghost:active { transform: scale(.96); }

/* ── BOM counter bar: serial console ────────────────────── */
.bom-counter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 12px;
  background: var(--well);
  border: 1px solid var(--trace);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--silk-3);
}

.bom-counter-left { display: inline-flex; align-items: center; gap: 8px; }

.count-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--led-amber);
  box-shadow: 0 0 6px var(--led-amber);
}

/* ── Turnstile security widget ──────────────────────────── */
.field-turnstile {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 6px 0 10px 0;
  min-height: 65px;
}

.cf-turnstile {
  display: flex;
  justify-content: center;
}

/* ── Submit: the big stomp switch ───────────────────────── */
.submit-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 54px;
  margin-top: 2px;
  padding: 0 22px;
  background: var(--copper);
  border: 1px solid var(--copper-hi);
  border-radius: var(--r-sm);
  color: #241304;
  font-family: var(--font-disp);
  font-size: .98rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow:
    0 0 22px -6px rgba(209, 138, 69, .55),
    0 3px 0 #8a5a28,
    inset 0 1px 0 rgba(255, 235, 205, .45);
  transition: background-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), filter var(--t-fast) var(--ease);
}

.submit-button:hover:not(:disabled) {
  background: var(--copper-hi);
  box-shadow:
    0 0 28px -4px rgba(237, 168, 92, .6),
    0 3px 0 #8a5a28,
    inset 0 1px 0 rgba(255, 235, 205, .5);
}

.submit-button:active:not(:disabled) { transform: scale(.96); }

.submit-button:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.submit-arrow { transition: transform var(--t-fast) var(--ease); }
.submit-button:hover:not(:disabled) .submit-arrow { transform: translateX(3px); }

/* spinner shown by app.js via .hidden toggle */
.submit-spinner {
  display: none;
  width: 17px;
  height: 17px;
  border: 2.5px solid rgba(36, 19, 4, .3);
  border-top-color: #241304;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.submit-spinner:not(.hidden) { display: inline-block; }

.submit-button:has(.submit-spinner:not(.hidden)) .submit-arrow { display: none; }

.submit-disclaimer {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  margin: 0;
  font-size: .78rem;
  color: var(--silk-3);
  text-align: center;
}

.submit-disclaimer svg { flex: none; margin-top: 3px; color: var(--silk-3); }

/* ── Success view ───────────────────────────────────────── */
.success-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 10px 0 4px;
  text-align: center;
  animation: rise-in .45s var(--ease) backwards;
}

.success-badge {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--well);
  border: 2px solid var(--led-green);
  color: var(--led-green);
  box-shadow: 0 0 30px -6px rgba(67, 224, 138, .55), inset 0 0 14px rgba(67, 224, 138, .18);
}

.success-title {
  margin: 0;
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.7rem;
  letter-spacing: .04em;
  color: var(--silk);
}

.success-message {
  max-width: 46ch;
  margin: 0;
  color: var(--silk-2);
  font-size: .93rem;
  line-height: 1.65;
}

.success-message strong { color: var(--copper-hi); }

.success-summary {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--trace);
  border-radius: var(--r-md);
  background: var(--well);
  overflow: hidden;
  text-align: left;
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
}

.summary-row + .summary-row { border-top: 1px dashed var(--trace); }

.summary-key {
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--silk-3);
  white-space: nowrap;
}

.summary-value {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--silk);
  text-align: right;
  min-width: 0;
}

.request-id {
  padding: 3px 9px;
  background: var(--led-amber-dim);
  border: 1px solid rgba(255, 180, 84, .35);
  border-radius: var(--r-xs);
  color: var(--led-amber);
  font-size: .8rem;
  letter-spacing: .04em;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-sm);
  color: var(--silk-2);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.btn-copy:hover {
  border-color: var(--copper);
  color: var(--copper-hi);
  background: var(--copper-dim);
}

.btn-copy:active { transform: scale(.96); }

/* timeline */
.timeline {
  width: 100%;
  text-align: left;
  margin-top: 4px;
}

.timeline-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--silk-3);
}

.timeline-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.timeline-step {
  position: relative;
  display: flex;
  gap: 14px;
  padding-bottom: 18px;
}

.timeline-step:last-child { padding-bottom: 0; }

/* trace connecting the pads */
.timeline-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 9px;
  top: 22px;
  bottom: 2px;
  width: 2px;
  background: var(--trace);
}

.step-marker { flex: none; }

.step-pad {
  display: block;
  width: 20px;
  height: 20px;
  border-radius: var(--r-xs);
  background: var(--well);
  border: 2px solid var(--trace-hi);
}

.timeline-step.is-done .step-pad {
  background: var(--led-green-dim);
  border-color: var(--led-green);
  box-shadow: 0 0 10px -2px rgba(67, 224, 138, .6);
}

.timeline-step.is-current .step-pad {
  background: var(--copper-dim);
  border-color: var(--copper);
  box-shadow: 0 0 12px -2px rgba(209, 138, 69, .7);
  animation: led-pulse 2.6s var(--ease) infinite;
}

.step-body { display: flex; flex-direction: column; gap: 1px; padding-top: 1px; }

.step-body strong { font-size: .9rem; font-weight: 700; color: var(--silk); }

.step-body span { font-size: .8rem; color: var(--silk-3); line-height: 1.5; }

.timeline-step.is-current .step-body strong { color: var(--copper-hi); }

/* secondary action */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 11px 20px;
  background: transparent;
  border: 1px solid var(--trace-hi);
  border-radius: var(--r-sm);
  color: var(--silk-2);
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.btn-secondary:hover {
  border-color: var(--copper);
  color: var(--copper-hi);
  background: var(--copper-dim);
}

.btn-secondary:active { transform: scale(.96); }

/* ── Trace divider ──────────────────────────────────────── */
.trace-divider {
  height: 26px;
  margin: 30px 0 8px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='26'%3E%3Cpath d='M0 9 H84 L104 19 H186' stroke='%231d5b3e' stroke-width='2' fill='none'/%3E%3Ccircle cx='191' cy='19' r='4.5' fill='%23051a12' stroke='%23d18a45' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: center;
  opacity: .9;
}

/* ── Info / FAQ ─────────────────────────────────────────── */
.info {
  margin-top: 24px;
  padding-top: 8px;
}

.info-head { margin-bottom: 20px; }

.section-kicker {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--copper);
}

.section-title {
  margin: 0;
  font-family: var(--font-disp);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: .03em;
  color: var(--silk);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 40px;
}

.info-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px;
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-md);
  box-shadow: 0 12px 24px -18px rgba(0, 0, 0, .7);
}

.info-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
  border-radius: var(--r-sm);
  background: var(--copper-dim);
  border: 1px solid rgba(209, 138, 69, .45);
  color: var(--copper-hi);
}

.info-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--silk-3);
}

.info-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--silk);
}

.info-body {
  margin: 0;
  font-size: .84rem;
  line-height: 1.62;
  color: var(--silk-2);
}

/* FAQ */
.faq { display: flex; flex-direction: column; gap: 10px; }

.faq .section-title { margin-bottom: 4px; }

.faq-item {
  background: var(--board);
  border: 1px solid var(--trace);
  border-radius: var(--r-md);
  transition: border-color var(--t-med) var(--ease);
}

.faq-item[open] { border-color: rgba(209, 138, 69, .55); }

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  font-size: .93rem;
  font-weight: 600;
  color: var(--silk);
  cursor: pointer;
  list-style: none;
}

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

.faq-q:hover { color: var(--copper-hi); }

.faq-toggle {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--silk-3);
  transform: translate(-50%, -50%);
  transition: background-color var(--t-fast) var(--ease), transform var(--t-med) var(--ease);
}

.faq-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }

.faq-item[open] .faq-toggle::before,
.faq-item[open] .faq-toggle::after { background: var(--copper); }

.faq-item[open] .faq-toggle::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq-a {
  margin: 0;
  padding: 0 18px 16px;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--silk-2);
}

/* ── Footer: silkscreen bottom ──────────────────────────── */
.footer {
  margin-top: 40px;
  padding: 26px 0 34px;
  border-top: 1px solid var(--trace);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-legal {
  margin: 0;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--silk-3);
  max-width: 60ch;
}

.footer-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--silk-3);
}

.meta-via {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 1.5px solid var(--copper);
}

/* ── Page-load stagger (once) ───────────────────────────── */
.hero-kicker { animation: rise-in .5s var(--ease) backwards; animation-delay: .05s; }
.hero-title { animation: rise-in .55s var(--ease) backwards; animation-delay: .12s; }
.hero-desc { animation: rise-in .55s var(--ease) backwards; animation-delay: .2s; }
.spec-list { animation: rise-in .55s var(--ease) backwards; animation-delay: .28s; }
.panel { animation: rise-in .6s var(--ease) backwards; animation-delay: .38s; }

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

@keyframes led-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .45; }
}

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

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .app { padding: 0 16px; }
  .topbar { margin: 0 -16px; padding: 9px 16px; }
  .stage { padding-top: 38px; }

  .panel { padding: 20px 18px 22px; }
  .panel-head { flex-direction: column; gap: 10px; }
  .panel-tag { margin-top: 0; }

  .form-row-grid { grid-template-columns: 1fr; gap: 20px; }
  .info-grid { grid-template-columns: 1fr; }

  .quick-select { align-items: flex-start; flex-direction: column; gap: 8px; }
  .chip-row { width: 100%; }

  .hero-title-main { font-size: clamp(2.7rem, 13vw, 3.6rem); }

  .success-summary .summary-row { flex-direction: column; align-items: flex-start; gap: 6px; }
  .summary-value { text-align: left; }
}

/* ── Reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}