/* ═══════════════════════════════════════════════════════════
   PipeCraft — Landing page (public)
   Scoped under .landing / .lp-* — reuses app.css tokens.
   ═══════════════════════════════════════════════════════════ */

.landing {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.landing *,
.landing *::before,
.landing *::after { box-sizing: border-box; }

.lp-container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 24px;
}

/* ─── Skip link ─── */
.lp-skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 1000;
  background: var(--brand-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}
.lp-skip-link:focus { top: 16px; }

/* ─── Buttons ─── */
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  padding: 11px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), transform var(--transition-fast);
}
.lp-btn-lg { padding: 14px 26px; font-size: 1rem; }
.lp-btn-block { width: 100%; }

.lp-btn-primary { background: var(--brand-primary); color: #fff; }
.lp-btn-primary:hover { background: var(--brand-primary-dark); }

.lp-btn-outline { background: transparent; color: var(--text); border-color: var(--border-2); }
.lp-btn-outline:hover { border-color: var(--brand-primary); color: var(--brand-primary); }

.lp-btn-ghost { background: transparent; color: var(--text-2); }
.lp-btn-ghost:hover { color: var(--text); background: var(--surface-hover); }

.lp-btn-invert { background: #fff; color: var(--brand-primary-dark); }
.lp-btn-invert:hover { background: var(--gray-100); }

.lp-btn:hover { transform: translateY(-1px); }

/* ─── Header / nav ─── */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.lp-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
}
.lp-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: var(--brand-primary);
  color: #fff;
}
.lp-logo-text { font-size: 1.15rem; letter-spacing: -0.01em; }

.lp-nav { display: flex; align-items: center; gap: 8px; }
.lp-nav-disclosure { display: contents; }

.lp-nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.lp-nav-links a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--text-2);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}
.lp-nav-links a:hover { color: var(--text); background: var(--surface-hover); }

.lp-nav-actions { display: flex; align-items: center; gap: 8px; }

.lp-nav-toggle { display: none; }
.lp-nav-toggle-label { font-weight: 600; }

.lp-theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.lp-theme-toggle:hover { color: var(--text); border-color: var(--border-2); }

/* ─── Hero ─── */
.lp-hero { padding: 72px 0 56px; overflow: hidden; }
.lp-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}
.lp-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--brand-primary);
  font-size: 0.82rem;
  font-weight: 600;
}
:root[data-theme='dark'] .lp-eyebrow { color: var(--accent); }

.lp-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text-1);
}
.lp-hero-sub {
  margin: 0 0 28px;
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 34em;
}
.lp-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.lp-hero-note { margin: 16px 0 0; font-size: 0.88rem; color: var(--text-3); }

/* Hero visual — decorative canvas mock */
.lp-hero-visual { display: flex; justify-content: center; }
.lp-canvas {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 16 / 11;
  background:
    radial-gradient(circle at 1px 1px, var(--border) 1px, transparent 0) 0 0 / 22px 22px,
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 4px;
}
.lp-canvas-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--brand-primary);
  opacity: 0.55;
}
.lp-node {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
}
.lp-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.lp-dot-blue { background: var(--brand-primary); }
.lp-dot-amber { background: var(--warning); }
.lp-dot-green { background: var(--success); }
.lp-dot-purple { background: #7c3aed; }
.lp-node-a { top: 14%; left: 4%; }
.lp-node-b { top: 70%; left: 4%; }
.lp-node-c { top: 42%; left: 40%; }
.lp-node-d { top: 42%; right: 3%; }

/* ─── Trust strip ─── */
.lp-trust { padding: 8px 0 40px; }
.lp-trust-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 20px;
}
.lp-trust-label { margin: 0; color: var(--text-3); font-weight: 600; font-size: 0.9rem; }
.lp-pills { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.lp-pill {
  padding: 5px 13px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-2);
}

/* ─── Sections ─── */
.lp-section { padding: 72px 0; }
.lp-section-alt { background: var(--surface-2); }
.lp-section-head { max-width: 42em; margin: 0 auto 44px; text-align: center; }
.lp-section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--text-1);
}
.lp-section-sub { margin: 0; font-size: 1.05rem; color: var(--text-2); }

/* ─── Feature cards ─── */
.lp-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.lp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  transition: border-color var(--transition-fast), transform var(--transition-fast),
              box-shadow var(--transition-fast);
}
.lp-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.lp-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--accent-dim);
  color: var(--brand-primary);
  margin-bottom: 16px;
}
:root[data-theme='dark'] .lp-card-icon { color: var(--accent); }
.lp-card h3 { margin: 0 0 8px; font-size: 1.12rem; font-weight: 700; color: var(--text-1); }
.lp-card p { margin: 0; color: var(--text-2); font-size: 0.95rem; }

/* ─── Steps ─── */
.lp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  counter-reset: none;
}
.lp-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
}
.lp-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--brand-primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 14px;
}
.lp-step h3 { margin: 0 0 8px; font-size: 1.08rem; font-weight: 700; color: var(--text-1); }
.lp-step p { margin: 0; color: var(--text-2); font-size: 0.93rem; }

/* ─── Pricing ─── */
.lp-plans {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.lp-plan {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}
.lp-plan-featured {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 1px var(--brand-primary), var(--shadow-md);
}
.lp-plan-badge {
  align-self: flex-start;
  margin: 0 0 14px;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--brand-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
}
.lp-plan-name { margin: 0 0 6px; font-size: 1.2rem; font-weight: 700; color: var(--text-1); }
.lp-plan-price { margin: 0 0 6px; }
.lp-plan-amount { font-size: 2rem; font-weight: 800; color: var(--text-1); }
.lp-plan-period { color: var(--text-3); font-size: 0.95rem; }
.lp-plan-tag { margin: 0 0 18px; color: var(--text-2); font-size: 0.92rem; }
.lp-plan-feats {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.lp-plan-feats li {
  position: relative;
  padding-left: 26px;
  color: var(--text-2);
  font-size: 0.93rem;
}
.lp-plan-feats li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--success-light);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* ─── CTA band ─── */
.lp-cta-band {
  background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
  color: #fff;
  padding: 64px 0;
}
.lp-cta-inner { text-align: center; }
.lp-cta-inner h2 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}
.lp-cta-inner p { margin: 0 auto 26px; max-width: 40em; color: rgba(255,255,255,0.9); font-size: 1.05rem; }

/* ─── Footer ─── */
.lp-footer { background: var(--surface-2); border-top: 1px solid var(--border); padding: 56px 0 0; }
.lp-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}
.lp-footer-tag { margin: 14px 0 0; color: var(--text-2); font-size: 0.92rem; max-width: 28em; }
.lp-footer-col h2.lp-footer-title {
  margin: 0 0 14px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  font-weight: 700;
}
.lp-footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.lp-footer-col a { color: var(--text-2); text-decoration: none; font-size: 0.93rem; }
.lp-footer-col a:hover { color: var(--text); text-decoration: underline; }
.lp-footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
}
.lp-footer-bottom p { margin: 0; color: var(--text-3); font-size: 0.88rem; }

/* ─── Focus visibility (fallback, aligns with app) ─── */
.landing a:focus-visible,
.landing button:focus-visible,
.landing summary:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius);
}
:root[data-theme='dark'] .landing a:focus-visible,
:root[data-theme='dark'] .landing button:focus-visible,
:root[data-theme='dark'] .landing summary:focus-visible { outline-color: #60a5fa; }

/* ═══════════════ Responsive ═══════════════ */
@media (max-width: 900px) {
  .lp-features { grid-template-columns: repeat(2, 1fr); }
  .lp-steps { grid-template-columns: repeat(2, 1fr); }
  .lp-plans { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .lp-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .lp-hero-visual { order: -1; }
  .lp-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  /* Collapse nav into a disclosure menu */
  .lp-nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.92rem;
    list-style: none;
  }
  .lp-nav-toggle::-webkit-details-marker { display: none; }
  .lp-nav-disclosure { display: block; position: relative; }
  .lp-nav-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 10px);
    width: min(280px, 80vw);
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
  }
  .lp-nav-links { flex-direction: column; align-items: stretch; gap: 2px; }
  .lp-nav-links a { padding: 10px 12px; }
  .lp-nav-actions { flex-direction: column; align-items: stretch; }
  .lp-nav-disclosure:not([open]) .lp-nav-panel { display: none; }
}

@media (max-width: 560px) {
  .lp-container { padding-inline: 18px; }
  .lp-section { padding: 52px 0; }
  .lp-hero { padding: 48px 0 40px; }
  .lp-features { grid-template-columns: 1fr; }
  .lp-steps { grid-template-columns: 1fr; }
  .lp-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .lp-hero-cta .lp-btn { flex: 1 1 100%; }
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
  .landing *,
  .landing *::before,
  .landing *::after {
    transition: none !important;
    animation: none !important;
  }
  .lp-btn:hover,
  .lp-card:hover { transform: none; }
}