/* ============================================================
   components.css — Reusable UI components
   ============================================================ */

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--fs-sm);
  letter-spacing: var(--tracking-snug);
  padding: 12px 20px;
  border-radius: var(--r-pill);
  transition: all var(--t-fast);
  white-space: nowrap;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-lg {
  font-size: var(--fs-base);
  padding: 16px 28px;
}

.btn-xl {
  font-size: var(--fs-md);
  padding: 20px 36px;
}

/* ---- Variants ---- */
.btn-primary {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--canvas);
}

.btn-signal {
  background: var(--signal);
  color: var(--canvas);
  border-color: var(--signal);
}
.btn-signal:hover {
  background: var(--signal-deep);
  border-color: var(--signal-deep);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}
.btn-ghost:hover {
  border-color: var(--ink);
  background: var(--canvas-alt);
}

.btn-link {
  padding: 0;
  border-radius: 0;
  background: none;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  transition: color var(--t-fast), border-color var(--t-fast);
  border-radius: 0;
}
.btn-link:hover {
  color: var(--signal);
  border-color: var(--signal);
}

.btn-arrow {
  transition: transform var(--t-base);
  display: inline-block;
  font-weight: 400;
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ============================================================
   BADGES + STATUS
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--rule);
  background: var(--canvas-alt);
  color: var(--ink-soft);
  font-weight: 500;
}

.badge-signal {
  background: var(--signal-soft);
  border-color: rgba(255, 92, 40, 0.25);
  color: var(--signal-deep);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px rgba(255, 92, 40, 0.5);
  animation: pulse 2.4s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(0.85); }
}

/* ============================================================
   CODE BLOCKS (dark on light page)
   ============================================================ */
.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.65;
  border-radius: var(--r-md);
  overflow: hidden;
  position: relative;
}

.code-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--code-mute);
}

.code-block-head .dots {
  display: flex;
  gap: 6px;
}
.code-block-head .dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--code-mute);
  opacity: 0.4;
}

.code-block-body {
  padding: 20px 22px;
  overflow-x: auto;
}

.code-block-body pre {
  margin: 0;
  white-space: pre;
  font-family: var(--font-mono);
}

.tok-comment { color: var(--code-mute); font-style: italic; }
.tok-keyword { color: var(--code-keyword); }
.tok-string  { color: var(--code-string); }
.tok-accent  { color: var(--code-accent); }
.tok-prompt  { color: var(--code-accent); user-select: none; }

/* ============================================================
   FEATURE CARDS (used in 'What we build' section)
   ============================================================ */
.feature {
  padding: var(--space-6);
  background: var(--canvas);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  transition: all var(--t-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
}

.feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--signal-faint) 0%, transparent 40%);
  opacity: 0;
  transition: opacity var(--t-base);
  pointer-events: none;
}

.feature:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.feature:hover::before { opacity: 1; }

.feature-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-mute);
  letter-spacing: var(--tracking-wider);
}

.feature-title {
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  color: var(--ink);
  line-height: var(--leading-snug);
}

.feature-body {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: var(--leading-relaxed);
}

.feature-meta {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px dashed var(--rule-strong);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ink-mute);
}

.feature-meta strong {
  color: var(--ink);
  font-weight: 600;
}

/* ============================================================
   PRICE CARDS
   ============================================================ */
.price-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-7) var(--space-6);
  background: var(--canvas);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  transition: all var(--t-base);
  position: relative;
}

.price-card:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.price-card-featured {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}

.price-card-featured:hover {
  background: var(--ink);
}

.price-card-featured .price-tier,
.price-card-featured .price-period,
.price-card-featured .price-ideal,
.price-card-featured .price-feature,
.price-card-featured .price-meta {
  color: var(--canvas);
}

.price-card-featured .price-tier { color: var(--signal); }
.price-card-featured .price-meta strong { color: var(--canvas); }

.price-card-featured .check { color: var(--signal); }
.price-card-featured .price-meta { border-color: rgba(255, 255, 255, 0.18); }

.price-ribbon {
  position: absolute;
  top: -1px;
  right: var(--space-5);
  transform: translateY(-50%);
  padding: 4px 12px;
  background: var(--signal);
  color: var(--canvas);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  font-weight: 600;
}

.price-tier {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: var(--space-3);
}

.price-name {
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  margin-bottom: var(--space-5);
  line-height: var(--leading-snug);
}

.price-amount {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 600;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.price-amount sup {
  font-size: 0.5em;
  font-weight: 500;
  vertical-align: top;
  margin-right: 4px;
  opacity: 0.6;
}

.price-period {
  font-size: var(--fs-sm);
  color: var(--ink-mute);
  margin-bottom: var(--space-5);
}

.price-ideal {
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: var(--leading-relaxed);
  padding-bottom: var(--space-5);
  border-bottom: 1px dashed var(--rule-strong);
  margin-bottom: var(--space-5);
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  flex-grow: 1;
}

.price-feature {
  display: flex;
  gap: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  line-height: var(--leading-normal);
}

.check {
  color: var(--signal);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
}

.price-meta {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-top: 1px dashed var(--rule-strong);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--ink-mute);
  margin-bottom: var(--space-5);
}

.price-meta strong { color: var(--ink); font-weight: 600; }

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-item {
  border-bottom: 1px solid var(--rule);
  transition: border-color var(--t-base);
}

.faq-item:first-child { border-top: 1px solid var(--rule); }

.faq-item[open] { border-color: var(--ink); }

.faq-summary {
  padding: var(--space-6) 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-5);
  align-items: center;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color var(--t-fast);
}

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

.faq-summary:hover { color: var(--signal); }
.faq-item[open] .faq-summary { color: var(--ink); }

.faq-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wider);
  color: var(--ink-mute);
}

.faq-q {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--ink);
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--ink);
  top: 50%;
  left: 50%;
  transition: transform var(--t-base);
}
.faq-icon::before {
  width: 14px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}
.faq-icon::after {
  width: 1.5px;
  height: 14px;
  transform: translate(-50%, -50%);
}
.faq-item[open] .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}
.faq-item[open] .faq-icon::before {
  background: var(--signal);
}

.faq-answer {
  padding: 0 0 var(--space-6) calc(var(--space-5) + 24px);
  max-width: 70ch;
  font-size: var(--fs-base);
  color: var(--ink-soft);
  line-height: var(--leading-relaxed);
  animation: fadeDown 0.35s var(--ease-out);
}

.faq-answer strong { color: var(--ink); font-weight: 600; }
.faq-answer p + p { margin-top: var(--space-3); }

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  .faq-answer {
    padding-left: 0;
  }
}

/* ============================================================
   REVEAL ON SCROLL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease-out),
              transform 0.7s var(--ease-out);
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}