/* ==========================================================================
   FleakStack — Components
   ========================================================================== */

/* ---------- Hero ---------- */
.fs-hero {
  padding: 76px 0 88px;
}

.fs-hero__inner {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 56px;
  align-items: center;
}

.fs-hero__copy h1 { margin-bottom: 22px; }
.fs-hero__copy .fs-lede { margin-bottom: 34px; max-width: 42ch; }
.fs-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

.fs-hero__meta {
  margin-top: 40px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.fs-hero__meta div { display: flex; flex-direction: column; gap: 2px; }
.fs-hero__meta strong { font-size: 1.15rem; letter-spacing: -0.01em; }
.fs-hero__meta span { font-size: 0.82rem; color: var(--fs-muted); }

/* ---------- Flow diagram ---------- */
.fs-flow {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  padding: 28px;
  box-shadow: var(--fs-shadow-md);
  position: relative;
}

.fs-flow__step {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-md);
  background: var(--fs-bg);
  position: relative;
}

.fs-flow__step + .fs-flow__step { margin-top: 22px; }

.fs-flow__step::before {
  content: "";
  position: absolute;
  top: -22px;
  left: 34px;
  width: 1px;
  height: 22px;
  background: var(--fs-border-strong);
}
.fs-flow__step:first-child::before { display: none; }

.fs-flow__num {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--fs-primary-soft);
  color: var(--fs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  flex-shrink: 0;
  font-family: var(--fs-font-mono);
}

.fs-flow__step--highlight {
  background: var(--fs-dark);
  border-color: var(--fs-dark);
  color: #fff;
}
.fs-flow__step--highlight .fs-flow__num { background: var(--fs-primary); color: #fff; }
.fs-flow__step--highlight .fs-flow__label span { color: #B8AFD4; }

.fs-flow__label strong { display: block; font-size: 0.95rem; font-weight: 600; }
.fs-flow__label span { display: block; font-size: 0.8rem; color: var(--fs-muted); margin-top: 2px; }

.fs-flow__pulse {
  position: absolute;
  left: 47px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fs-primary);
  box-shadow: 0 0 0 4px var(--fs-primary-soft);
  animation: fs-flow-travel 4.5s ease-in-out infinite;
}

@keyframes fs-flow-travel {
  0%   { top: 34px; opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { top: calc(100% - 46px); opacity: 0; }
}

/* ---------- Value strip ---------- */
.fs-value-strip {
  border-top: 1px solid var(--fs-border);
  border-bottom: 1px solid var(--fs-border);
  background: var(--fs-surface);
}
.fs-value-strip__inner {
  display: flex;
  justify-content: space-between;
  padding: 26px 0;
  flex-wrap: wrap;
  gap: 18px;
}
.fs-value-strip__item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  font-weight: 550;
  color: var(--fs-text);
}
.fs-value-strip__item svg { color: var(--fs-primary); width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- Feature cards ---------- */
.fs-card {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.15s ease;
}
.fs-card:hover { border-color: var(--fs-border-strong); }

.fs-card__icon {
  width: 42px;
  height: 42px;
  border-radius: var(--fs-radius-sm);
  background: var(--fs-primary-soft);
  color: var(--fs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.fs-card h3 { font-size: 1.08rem; }
.fs-card p { color: var(--fs-muted); font-size: 0.93rem; line-height: 1.6; }
.fs-card .fs-link-arrow { margin-top: auto; }

/* ---------- Code panel ---------- */
.fs-code-panel {
  background: var(--fs-code-bg);
  border: 1px solid var(--fs-code-border);
  border-radius: var(--fs-radius-lg);
  overflow: hidden;
}

.fs-code-panel__tabs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-bottom: 1px solid var(--fs-code-border);
}

.fs-code-panel__dots { display: flex; gap: 6px; }
.fs-code-panel__dots span { width: 9px; height: 9px; border-radius: 50%; background: #352C4C; }

.fs-code-panel__label {
  font-family: var(--fs-font-mono);
  font-size: 0.78rem;
  color: var(--fs-code-muted);
}

.fs-copy-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--fs-code-border);
  color: var(--fs-code-muted);
  font-size: 0.75rem;
  padding: 6px 10px;
  border-radius: var(--fs-radius-sm);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.fs-copy-btn:hover { color: #fff; border-color: #4A3E6B; }
.fs-copy-btn svg { width: 13px; height: 13px; }

.fs-code-panel__body {
  padding: 20px 22px;
  overflow-x: auto;
}

.fs-code-panel pre {
  margin: 0;
  font-family: var(--fs-font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--fs-code-text);
  white-space: pre;
}

.fs-code-panel .tok-key { color: #B7A6E8; }
.fs-code-panel .tok-str { color: #93D9B6; }
.fs-code-panel .tok-num { color: #E8B87A; }
.fs-code-panel .tok-method { color: #8FC7F2; }
.fs-code-panel .tok-comment { color: #6E6488; }

.fs-code-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ---------- Tabs (product showcase) ---------- */
.fs-tabs__list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--fs-border);
  margin-bottom: 32px;
}

.fs-tabs__tab {
  background: transparent;
  border: none;
  padding: 14px 18px;
  font-size: 0.93rem;
  font-weight: 550;
  color: var(--fs-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.fs-tabs__tab[aria-selected="true"] {
  color: var(--fs-primary);
  border-bottom-color: var(--fs-primary);
}

.fs-tabs__panel { display: none; }
.fs-tabs__panel.is-active { display: block; }

.fs-product-preview {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  padding: 32px;
  box-shadow: var(--fs-shadow-md);
}

.fs-product-preview__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
  align-items: center;
}

/* ---------- Checkout mockup ---------- */
.fs-checkout {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-md);
  max-width: 380px;
  margin: 0 auto;
  overflow: hidden;
}
.fs-checkout__header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--fs-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.fs-checkout__header .fs-logo { font-size: 0.95rem; }
.fs-checkout__body { padding: 24px; }
.fs-checkout__merchant { font-size: 0.85rem; color: var(--fs-muted); margin-bottom: 4px; }
.fs-checkout__amount { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 24px; }
.fs-checkout__field { margin-bottom: 18px; }
.fs-checkout__field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--fs-muted);
  margin-bottom: 7px;
}
.fs-checkout__input {
  border: 1px solid var(--fs-border-strong);
  border-radius: var(--fs-radius-sm);
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--fs-muted);
  background: var(--fs-bg);
}
.fs-checkout__methods { display: flex; gap: 10px; }
.fs-checkout__method {
  flex: 1;
  border: 1px solid var(--fs-border-strong);
  border-radius: var(--fs-radius-sm);
  padding: 12px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 550;
}
.fs-checkout__method--active { border-color: var(--fs-primary); color: var(--fs-primary); background: var(--fs-primary-soft); }
.fs-checkout__footer { padding: 20px 24px; border-top: 1px solid var(--fs-border); }
.fs-checkout__secure {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  font-size: 0.78rem;
  color: var(--fs-muted);
  margin-top: 14px;
}
.fs-checkout__secure svg { width: 13px; height: 13px; }

/* ---------- Dashboard preview ---------- */
.fs-dash {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-md);
  padding: 28px;
}
.fs-dash__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 26px;
}
.fs-dash__stat {
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-md);
  padding: 18px;
}
.fs-dash__stat span { font-size: 0.8rem; color: var(--fs-muted); }
.fs-dash__stat strong { display: block; font-size: 1.35rem; margin-top: 6px; letter-spacing: -0.01em; }

.fs-dash__chart {
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-md);
  padding: 20px;
  margin-bottom: 20px;
}
.fs-dash__bars {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 130px;
}
.fs-dash__bars div { flex: 1; background: var(--fs-primary-soft); border-radius: 4px 4px 0 0; position: relative; }
.fs-dash__bars div:nth-child(odd) { background: var(--fs-primary-light); }

.fs-dash__table { border: 1px solid var(--fs-border); border-radius: var(--fs-radius-md); overflow: hidden; }
.fs-dash__row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 0.8fr;
  gap: 12px;
  padding: 13px 18px;
  font-size: 0.86rem;
  border-bottom: 1px solid var(--fs-border);
  align-items: center;
}
.fs-dash__row:last-child { border-bottom: none; }
.fs-dash__row--head { color: var(--fs-muted); font-size: 0.78rem; font-weight: 600; background: var(--fs-bg); }

/* ---------- Payment link showcase ---------- */
.fs-link-card {
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  box-shadow: var(--fs-shadow-md);
  padding: 28px;
}
.fs-link-url {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--fs-bg);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-sm);
  padding: 13px 16px;
  font-family: var(--fs-font-mono);
  font-size: 0.86rem;
  color: var(--fs-primary);
  margin: 18px 0;
}

/* ---------- Solutions ---------- */
.fs-solution {
  display: flex;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--fs-border);
}
.fs-solution:last-child { border-bottom: none; }
.fs-solution__num { font-family: var(--fs-font-mono); color: var(--fs-muted-2); font-size: 0.85rem; padding-top: 3px; }
.fs-solution h3 { margin-bottom: 6px; }
.fs-solution p { color: var(--fs-muted); font-size: 0.93rem; max-width: 52ch; }

/* ---------- Security list ---------- */
.fs-sec-item {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.fs-sec-item:last-child { border-bottom: none; }
.fs-sec-item svg { color: var(--fs-primary-light); flex-shrink: 0; width: 22px; height: 22px; margin-top: 2px; }
.fs-sec-item h3 { color: #fff; font-size: 1.02rem; margin-bottom: 5px; }
.fs-sec-item p { color: #A79FC0; font-size: 0.9rem; }

/* ---------- Pricing ---------- */
.fs-price-card {
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  padding: 32px;
  background: var(--fs-surface);
  display: flex;
  flex-direction: column;
}
.fs-price-card--highlight {
  border-color: var(--fs-primary);
  box-shadow: var(--fs-shadow-md);
  position: relative;
}
.fs-price-card__tag {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--fs-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.fs-price-card__rate {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 18px 0 4px;
}
.fs-price-card__rate span { font-size: 0.95rem; font-weight: 500; color: var(--fs-muted); }
.fs-price-card ul { margin: 24px 0 28px; display: flex; flex-direction: column; gap: 12px; }
.fs-price-card li { display: flex; gap: 10px; font-size: 0.9rem; color: var(--fs-text); align-items: flex-start; }
.fs-price-card li svg { color: var(--fs-success); width: 16px; height: 16px; margin-top: 3px; flex-shrink: 0; }
.fs-price-card .fs-button { margin-top: auto; }

/* ---------- FAQ Accordion ---------- */
.fs-accordion__item { border-bottom: 1px solid var(--fs-border); }
.fs-accordion__trigger {
  width: 100%;
  background: transparent;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 4px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--fs-text);
  gap: 20px;
}
.fs-accordion__trigger svg { flex-shrink: 0; width: 18px; height: 18px; color: var(--fs-muted); transition: transform 0.2s ease; }
.fs-accordion__item.is-open .fs-accordion__trigger svg { transform: rotate(45deg); }
.fs-accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.fs-accordion__panel-inner { padding: 0 4px 22px; color: var(--fs-muted); font-size: 0.93rem; max-width: 60ch; }

/* ---------- Forms ---------- */
.fs-form-field { margin-bottom: 20px; }
.fs-form-field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.fs-form-field .fs-hint { display: block; font-size: 0.78rem; color: var(--fs-muted); margin-top: 6px; }
.fs-form-field .fs-error-text { display: none; font-size: 0.78rem; color: var(--fs-error); margin-top: 6px; }
.fs-form-field.has-error .fs-error-text { display: block; }
.fs-form-field.has-error input,
.fs-form-field.has-error textarea { border-color: var(--fs-error); }

.fs-input, .fs-textarea, .fs-select {
  width: 100%;
  border: 1px solid var(--fs-border-strong);
  border-radius: var(--fs-radius-sm);
  padding: 12px 14px;
  font-size: 0.94rem;
  background: var(--fs-surface);
  color: var(--fs-text);
  transition: border-color 0.15s ease;
}
.fs-input:focus, .fs-textarea:focus, .fs-select:focus { border-color: var(--fs-primary); }
.fs-textarea { min-height: 130px; resize: vertical; }

.fs-password-field { position: relative; }
.fs-password-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--fs-muted);
  padding: 6px;
}

.fs-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- Auth ---------- */
.fs-auth {
  min-height: calc(100vh - var(--fs-nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}
.fs-auth__card {
  width: 100%;
  max-width: 420px;
  background: var(--fs-surface);
  border: 1px solid var(--fs-border);
  border-radius: var(--fs-radius-lg);
  padding: 40px 36px;
  box-shadow: var(--fs-shadow-md);
}
.fs-auth__head { text-align: center; margin-bottom: 30px; }
.fs-auth__head .fs-logo { justify-content: center; margin-bottom: 20px; }
.fs-auth__head p { color: var(--fs-muted); font-size: 0.92rem; margin-top: 8px; }
.fs-auth__foot { text-align: center; margin-top: 22px; font-size: 0.88rem; color: var(--fs-muted); }
.fs-auth__foot a { color: var(--fs-primary); font-weight: 600; }
.fs-auth__row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-size: 0.86rem; }
.fs-checkbox-line { display: flex; align-items: center; gap: 8px; }

/* ---------- Docs ---------- */
.fs-docs {
  display: grid;
  grid-template-columns: 260px 1fr 220px;
  gap: 40px;
  padding: 40px 0 100px;
  align-items: start;
}

.fs-docs__sidebar {
  position: sticky;
  top: calc(var(--fs-nav-height) + 24px);
  max-height: calc(100vh - var(--fs-nav-height) - 48px);
  overflow-y: auto;
}

.fs-docs__search {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--fs-border-strong);
  border-radius: var(--fs-radius-sm);
  padding: 9px 12px;
  margin-bottom: 22px;
  color: var(--fs-muted);
  font-size: 0.86rem;
}
.fs-docs__search svg { width: 15px; height: 15px; flex-shrink: 0; }
.fs-docs__search input { border: none; outline: none; background: transparent; width: 100%; font-size: 0.86rem; }

.fs-docs__group { margin-bottom: 22px; }
.fs-docs__group-title { font-size: 0.75rem; font-weight: 700; color: var(--fs-muted-2); margin-bottom: 8px; letter-spacing: 0.02em; }
.fs-docs__nav a {
  display: block;
  padding: 7px 10px;
  font-size: 0.88rem;
  border-radius: var(--fs-radius-sm);
  color: var(--fs-muted);
}
.fs-docs__nav a.is-active { background: var(--fs-primary-soft); color: var(--fs-primary); font-weight: 600; }
.fs-docs__nav a:hover { color: var(--fs-primary); }
.fs-docs__nav .fs-docs__subnav { margin-left: 12px; border-left: 1px solid var(--fs-border); }

.fs-docs__breadcrumb { font-size: 0.82rem; color: var(--fs-muted); margin-bottom: 18px; }
.fs-docs__breadcrumb a { color: var(--fs-muted); }
.fs-docs__breadcrumb a:hover { color: var(--fs-primary); }

.fs-docs__content h2 { margin-top: 44px; margin-bottom: 14px; font-size: 1.5rem; }
.fs-docs__content h2:first-child { margin-top: 0; }
.fs-docs__content h3 { margin-top: 28px; margin-bottom: 10px; font-size: 1.1rem; }
.fs-docs__content p { color: var(--fs-muted); margin-bottom: 14px; max-width: 68ch; line-height: 1.7; }
.fs-docs__content .fs-code-panel { margin: 20px 0; }
.fs-docs__content table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 0.88rem; }
.fs-docs__content th, .fs-docs__content td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--fs-border); }
.fs-docs__content th { color: var(--fs-muted); font-weight: 600; font-size: 0.82rem; }

.fs-docs__onthispage { position: sticky; top: calc(var(--fs-nav-height) + 24px); font-size: 0.83rem; }
.fs-docs__onthispage-title { font-weight: 700; color: var(--fs-muted-2); margin-bottom: 10px; font-size: 0.74rem; }
.fs-docs__onthispage a { display: block; color: var(--fs-muted); padding: 5px 0; }
.fs-docs__onthispage a:hover { color: var(--fs-primary); }

.fs-docs__mobile-toggle { display: none; }

/* ---------- Toast ---------- */
.fs-toast-region {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.fs-toast {
  background: var(--fs-dark);
  color: #fff;
  padding: 14px 18px;
  border-radius: var(--fs-radius-sm);
  font-size: 0.88rem;
  box-shadow: var(--fs-shadow-md);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(10px);
  opacity: 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.fs-toast.is-visible { transform: translateY(0); opacity: 1; }
.fs-toast svg { color: var(--fs-success); width: 16px; height: 16px; flex-shrink: 0; }

/* ---------- Final CTA ---------- */
.fs-final-cta {
  background: var(--fs-dark);
  border-radius: var(--fs-radius-lg);
  padding: 72px 56px;
  text-align: center;
  margin: 0 28px;
}
.fs-final-cta h2 { color: #fff; margin-bottom: 14px; }
.fs-final-cta p { color: #B8AFD4; margin-bottom: 34px; }
.fs-final-cta__actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ---------- Page header (inner pages) ---------- */
.fs-page-header {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--fs-border);
}
.fs-page-header .fs-lede { margin-top: 16px; }

/* ---------- Contact ---------- */
.fs-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
}
.fs-contact-detail {
  display: flex;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--fs-border);
}
.fs-contact-detail svg { color: var(--fs-primary); width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }
.fs-contact-detail strong { display: block; font-size: 0.93rem; }
.fs-contact-detail span { display: block; font-size: 0.86rem; color: var(--fs-muted); margin-top: 2px; }