/* ============================================================
   Polinowski Engineering — website composition styles
   (component layouts; foundations live in colors_and_type.css)
   ============================================================ */

/* Global: CSS-class specificity darf den HTML-hidden-Mechanismus nie überschreiben */
[hidden] { display: none !important; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg-canvas); color: var(--fg-1); font-family: var(--font-sans); }
a { color: inherit; }

.pe-container { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

/* ============================================================
   Eyebrow row (mono label + rule + page index)
   ============================================================ */
.pe-eyebrow-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-2);
}
.pe-eyebrow-rule { flex: 1; height: 1px; background: var(--border-hair); }
.pe-eyebrow-num { color: var(--fg-3); }

/* ============================================================
   Buttons
   ============================================================ */
.pe-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  padding: 11px 18px;
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
  transition: background 0.15s, color 0.15s, transform 0.05s;
}
.pe-btn:active { transform: translateY(1px); }
.pe-btn-arrow { font-family: var(--font-mono); font-weight: 400; opacity: 0.7; transition: transform 0.15s; }
.pe-btn:hover .pe-btn-arrow { transform: translateX(2px); }
.pe-btn-primary { background: var(--ink-900); color: var(--paper-soft); }
.pe-btn-primary:hover { background: var(--ink-700); }
.pe-btn-signal { background: var(--signal-600); color: #FFFFFF; }
.pe-btn-signal:hover { background: var(--signal-700); }
.pe-btn-secondary { background: transparent; color: var(--ink-900); box-shadow: inset 0 0 0 1px var(--ink-900); }
.pe-btn-secondary:hover { background: var(--ink-900); color: var(--paper-soft); }
.pe-btn-secondary-inv { background: transparent; color: var(--paper-soft); box-shadow: inset 0 0 0 1px var(--paper-soft); }
.pe-btn-secondary-inv:hover { background: var(--paper-soft); color: var(--ink-900); }
.pe-btn-ghost { background: transparent; color: var(--ink-900); padding-left: 0; padding-right: 0; }
.pe-btn-ghost:hover { color: var(--signal-600); }
.pe-btn-sm { padding: 8px 14px; font-size: 12.5px; }
.pe-btn-lg { padding: 14px 22px; font-size: 15px; }

/* ============================================================
   Header
   ============================================================ */
.pe-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 242, 236, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-hair);
}
.pe-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
  gap: 32px;
}
.pe-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink-900); }
.pe-logo-text { display: flex; flex-direction: column; line-height: 1; gap: 4px; }
.pe-logo-name { font-family: var(--font-sans); font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.pe-logo-sub  { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em; color: var(--fg-2); }
.pe-nav { display: flex; gap: 28px; flex: 1; justify-content: center; }
.pe-nav a { font-size: 14px; color: var(--fg-1); text-decoration: none; }
.pe-nav a:hover { color: var(--signal-600); }
.pe-header-burger { display: none; background: none; border: 0; cursor: pointer; }

/* ============================================================
   Hero
   ============================================================ */
.pe-hero { position: relative; padding-top: 88px; padding-bottom: 96px; overflow: hidden; }
.pe-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url("assets/pattern-grid.svg");
  background-size: 80px 80px;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 90% 70% at 70% 30%, #000 30%, transparent 75%);
}
.pe-hero-inner { position: relative; z-index: 1; max-width: 1240px; }
.pe-hero-meta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px;
  background: #FFF;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--fg-2);
  box-shadow: inset 0 0 0 1px var(--border-hair);
}
.pe-status-dot { width: 7px; height: 7px; border-radius: 99px; background: var(--ok); box-shadow: 0 0 0 3px rgba(47,143,91,0.15); }
.pe-hero-h {
  margin: 28px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.02;
  text-wrap: balance;
  max-width: 980px;
}
.pe-hero-h-em { color: var(--fg-2); }
.pe-hero-lead {
  margin: 28px 0 0;
  max-width: 640px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--fg-2);
}
.pe-hero-actions { display: flex; gap: 16px; margin-top: 32px; align-items: center; }
.pe-hero-stats { display: flex; gap: 48px; margin-top: 72px; }
.pe-hero-stats > div { display: flex; flex-direction: column; gap: 4px; }
.pe-hero-stats b { font-family: var(--font-sans); font-size: 20px; font-weight: 600; letter-spacing: -0.015em; color: var(--ink-900); }
.pe-hero-stats span { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--fg-3); }

/* ============================================================
   Trust strip
   ============================================================ */
.pe-trust { padding: 24px 0; background: var(--bg-canvas); border-top: 1px solid var(--border-hair); border-bottom: 1px solid var(--border-hair); }
.pe-trust .pe-container { display: flex; align-items: center; gap: 32px; }
.pe-trust-label { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--fg-3); flex-shrink: 0; }
.pe-trust-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.pe-tech-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
  font-weight: 500;
  background: #FFF;
  color: var(--ink-900);
  box-shadow: inset 0 0 0 1px var(--border-hair);
}
.pe-tech-chip-dark { background: rgba(255,255,255,0.06); color: var(--steel-300); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1); }

/* ============================================================
   Use-cases strip — concrete automation examples.
   Sits directly below the hero; gives the visitor an immediate
   "ah, that's exactly what we still do by hand" hit.
   ============================================================ */
.pe-cases {
  padding: 28px 0;
  background: var(--bg-canvas);
  border-top: 1px solid var(--border-hair);
  border-bottom: 1px solid var(--border-hair);
}
.pe-cases .pe-container { display: flex; align-items: center; gap: 32px; }
.pe-cases-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--fg-3);
  flex-shrink: 0;
  max-width: 110px;
  line-height: 1.4;
}
.pe-cases-chips { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.pe-case-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px 7px 14px;
  border: 0;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -0.005em;
  background: #FFFFFF;
  color: var(--ink-900);
  box-shadow: inset 0 0 0 1px var(--border-hair);
  transition: background 0.15s, box-shadow 0.15s, color 0.15s, transform 0.05s;
  cursor: pointer;
  text-align: left;
}
.pe-case-chip::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: var(--signal-600);
  flex-shrink: 0;
}
.pe-case-chip-arrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--steel-400);
  transition: transform 0.15s, color 0.15s;
}
.pe-case-chip:hover {
  background: var(--ink-900);
  color: var(--paper-soft);
  box-shadow: inset 0 0 0 1px var(--ink-900);
}
.pe-case-chip:hover::before { background: var(--signal-500); }
.pe-case-chip:hover .pe-case-chip-arrow { color: var(--paper-soft); transform: translateX(2px); }
.pe-case-chip:active { transform: translateY(1px); }

/* ============================================================
   Case-study modal
   ============================================================ */
.pe-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11,18,32,0.7);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 56px 24px;
  animation: pe-modal-fade 0.18s ease-out;
}
.pe-modal-backdrop[hidden] { display: none; }
@keyframes pe-modal-fade { from { opacity: 0; } to { opacity: 1; } }
.pe-modal {
  position: relative;
  background: var(--paper-soft);
  border-radius: 6px;
  width: 100%;
  max-width: 980px;
  box-shadow: 0 24px 60px -20px rgba(11,18,32,0.55);
  overflow: hidden;
  animation: pe-modal-rise 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}
@keyframes pe-modal-rise { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.pe-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(11,18,32,0.06);
  border: 0;
  border-radius: 3px;
  cursor: pointer;
  color: var(--ink-900);
  z-index: 2;
  transition: background 0.15s;
}
.pe-modal-close:hover { background: rgba(11,18,32,0.12); }

.pe-modal-head {
  padding: 36px 40px 28px;
  border-bottom: 1px solid var(--border-hair);
  background: #FFFFFF;
}
.pe-modal-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 16px;
}
.pe-modal-eyebrow .line { flex: 1; height: 1px; background: var(--border-hair); }
.pe-modal-eyebrow > span:last-child { text-transform: none; letter-spacing: 0.04em; color: var(--steel-700); }
.pe-modal-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.022em;
  line-height: 1.15;
  color: var(--ink-900);
  max-width: 740px;
  text-wrap: balance;
}

.pe-modal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border-hair);
}
.pe-modal-block {
  background: var(--paper-soft);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pe-modal-vorher { background: var(--paper-soft); }
.pe-modal-loesung { background: #FFFFFF; }
.pe-modal-nachher { background: var(--ink-900); color: var(--paper-soft); }

.pe-modal-block-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--err);
}
.pe-modal-block-label .dot { width: 7px; height: 7px; border-radius: 99px; background: var(--err); }
.pe-modal-block-label-mid { color: var(--fg-3); }
.pe-modal-block-label-good { color: var(--signal-500); }
.pe-modal-block-label-good .check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: rgba(58,108,219,0.18);
  border-radius: 99px;
  color: var(--signal-500);
}
.pe-modal-block-label-good .check svg { width: 12px; height: 12px; stroke-width: 2.2; }

.pe-modal-block-body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-2);
}
.pe-modal-nachher .pe-modal-block-body { color: var(--steel-300); }

.pe-modal-metrics {
  margin: 6px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--border-hair);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pe-modal-nachher .pe-modal-metrics { border-top-color: rgba(255,255,255,0.1); }
.pe-modal-metrics > div { display: flex; flex-direction: column; gap: 2px; }
.pe-modal-metrics dt {
  font-family: var(--font-sans);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.018em;
  color: var(--ink-900);
  line-height: 1.1;
}
.pe-modal-metrics dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--fg-3);
}
.pe-modal-metrics-good dt { color: var(--paper-soft); }
.pe-modal-metrics-good dd { color: var(--steel-400); }

.pe-modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 40px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-hair);
  flex-wrap: wrap;
}
.pe-modal-foot-meta { display: flex; flex-direction: column; gap: 2px; }
.pe-modal-foot-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-3);
}
.pe-modal-foot-value {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--ink-900);
}
.pe-modal-foot-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.pe-modal-foot-actions .pe-btn-secondary-inv { color: var(--ink-900); box-shadow: inset 0 0 0 1px var(--ink-900); }
.pe-modal-foot-actions .pe-btn-secondary-inv:hover { background: var(--ink-900); color: var(--paper-soft); }

@media (max-width: 820px) {
  .pe-modal-backdrop { padding: 24px 16px; }
  .pe-modal-head { padding: 28px 24px 22px; }
  .pe-modal-title { font-size: 24px; }
  .pe-modal-grid { grid-template-columns: 1fr; }
  .pe-modal-foot { padding: 18px 24px; }
}

/* ============================================================
   Tech footer — small, quiet, sits between Contact (dark) and Footer (dark).
   Bridges the two with a subtler tone so technologies feel like a
   credential, not a sales pitch.
   ============================================================ */
.pe-techfoot { background: var(--ink-900); padding: 28px 0 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.pe-techfoot-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.pe-techfoot-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--steel-500); flex-shrink: 0; }
.pe-techfoot-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.pe-techfoot-chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  color: var(--steel-400);
  padding: 3px 8px;
  background: transparent;
  border-radius: 2px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
}

/* ============================================================
   Sections (general)
   ============================================================ */
.pe-section { padding: 96px 0; }
.pe-h2 {
  font-family: var(--font-sans);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
  margin: 0;
}
.pe-h2-inv { color: var(--paper-soft); }
.pe-lead { font-size: 18px; line-height: 1.5; color: var(--fg-2); margin: 0; max-width: 520px; }
.pe-lead-inv { color: var(--steel-300); }
.pe-two-col {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 48px;
}

/* ============================================================
   Problems
   ============================================================ */
.pe-problems { background: var(--bg-canvas); }
.pe-problem-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border-hair);
}
.pe-problem-list li {
  display: flex;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-hair);
  align-items: baseline;
}
.pe-problem-list li:nth-child(odd) { padding-right: 32px; border-right: 1px solid var(--border-hair); }
.pe-problem-list li:nth-child(even) { padding-left: 32px; }
.pe-problem-num { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); letter-spacing: 0.06em; min-width: 24px; }
.pe-problem-text { font-size: 15.5px; line-height: 1.5; color: var(--fg-1); }

/* ============================================================
   Services
   ============================================================ */
.pe-services { background: var(--paper-soft); border-top: 1px solid var(--border-hair); border-bottom: 1px solid var(--border-hair); }
.pe-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-hair);
  border: 1px solid var(--border-hair);
}
.pe-service-card {
  background: var(--paper-soft);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: background 0.15s;
}
.pe-service-card:hover { background: #FFFFFF; }
.pe-service-num { font-family: var(--font-mono); font-size: 11px; color: var(--signal-600); letter-spacing: 0.12em; }
.pe-service-icon { color: var(--ink-900); }
.pe-service-title { margin: 0; font-family: var(--font-sans); font-size: 19px; font-weight: 600; line-height: 1.25; letter-spacing: -0.015em; color: var(--ink-900); }
.pe-service-body { margin: 0; font-size: 14px; line-height: 1.55; color: var(--fg-2); }
.pe-service-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }

/* ============================================================
   Approach / steps
   ============================================================ */
.pe-approach { background: var(--bg-canvas); }
.pe-approach .pe-h2 { max-width: 760px; margin-bottom: 48px; }
.pe-steps { list-style: none; padding: 0; margin: 0; }
.pe-step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border-hair);
}
.pe-step:last-child { border-bottom: 1px solid var(--border-hair); }
.pe-step-marker { display: flex; align-items: center; gap: 12px; }
.pe-step-num { font-family: var(--font-mono); font-size: 13px; color: var(--ink-900); font-weight: 600; letter-spacing: 0.06em; }
.pe-step-line { flex: 1; height: 1px; background: var(--ink-900); opacity: 0.3; }
.pe-step-body { max-width: 720px; }
.pe-step-title { margin: 0 0 8px; font-family: var(--font-sans); font-size: 22px; font-weight: 600; letter-spacing: -0.015em; color: var(--ink-900); }
.pe-step-body p { margin: 0; font-size: 15px; line-height: 1.55; color: var(--fg-2); max-width: 620px; }

/* ============================================================
   AI section (dark)
   ============================================================ */
.pe-ai { background: var(--ink-900); color: var(--paper-soft); position: relative; overflow: hidden; }
.pe-ai .pe-eyebrow-row { color: var(--steel-400); }
.pe-ai .pe-eyebrow-rule { background: rgba(255,255,255,0.12); }
.pe-ai-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 64px; align-items: start; }
.pe-quote-inv {
  margin-top: 28px;
  padding: 20px 0 0;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.4;
  color: var(--paper-soft);
  max-width: 540px;
}
.pe-ai-panel { padding: 32px; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; }
.pe-spec-rule { display: flex; align-items: center; gap: 14px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--steel-400); margin-bottom: 24px; }
.pe-spec-rule .line { flex: 1; height: 1px; background: rgba(255,255,255,0.1); }
.pe-ai-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.pe-ai-list li { display: flex; gap: 16px; align-items: baseline; font-size: 15px; color: var(--paper-soft); line-height: 1.5; }
.pe-ai-num { font-family: var(--font-mono); font-size: 11px; color: var(--signal-500); letter-spacing: 0.08em; }
.pe-ai-foot { display: flex; gap: 8px; margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); }

/* ============================================================
   About
   ============================================================ */
.pe-about { background: var(--bg-canvas); }
.pe-about-grid { display: grid; grid-template-columns: 380px 1fr; gap: 64px; align-items: start; }
.pe-about-portrait {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--paper-deep);
}
.pe-about-portrait img { width: 100%; height: 100%; object-fit: cover; object-position: center top; display: block; }
.pe-portrait-caption {
  position: absolute;
  left: 16px;
  bottom: 16px;
  background: rgba(11,18,32,0.88);
  color: var(--paper-soft);
  padding: 10px 14px;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  backdrop-filter: blur(6px);
}
.pe-portrait-caption span { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.pe-portrait-caption small { font-family: var(--font-mono); font-size: 10.5px; color: var(--steel-300); letter-spacing: 0.04em; }
.pe-about-body .pe-h2 { max-width: 640px; margin-bottom: 24px; }
.pe-about-body p { font-size: 16px; line-height: 1.6; color: var(--fg-2); margin: 0 0 16px; max-width: 640px; }
.pe-cv {
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 12px 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-hair);
}
.pe-cv dt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-3); }
.pe-cv dd { margin: 0; font-size: 14px; color: var(--ink-900); }

/* ============================================================
   Contact (dark)
   ============================================================ */
.pe-contact { background: var(--ink-900); color: var(--paper-soft); }
.pe-contact .pe-eyebrow-row { color: var(--steel-400); }
.pe-contact .pe-eyebrow-rule { background: rgba(255,255,255,0.12); }
.pe-contact-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 64px; align-items: start; }
.pe-direct { margin-top: 36px; display: flex; flex-direction: column; gap: 14px; }
.pe-direct-row { display: flex; align-items: center; gap: 14px; font-family: var(--font-sans); font-size: 14.5px; color: var(--steel-300); }
.pe-direct-row svg { color: var(--steel-400); flex-shrink: 0; }
.pe-direct-row a { color: var(--paper-soft); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.2); }
.pe-direct-row a:hover { border-bottom-color: var(--signal-500); }
.pe-form { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1); border-radius: 4px; padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.pe-form label { display: flex; flex-direction: column; gap: 6px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--steel-400); font-weight: 500; }
.pe-form input, .pe-form select, .pe-form textarea {
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 11px 13px;
  background: rgba(0,0,0,0.25);
  color: var(--paper-soft);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 3px;
  text-transform: none;
  letter-spacing: 0;
  outline: none;
  resize: vertical;
}
.pe-form input::placeholder, .pe-form textarea::placeholder { color: var(--steel-500); }
.pe-form input:focus, .pe-form select:focus, .pe-form textarea:focus {
  border-color: var(--signal-500);
  box-shadow: 0 0 0 3px rgba(58,108,219,0.2);
}
.pe-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pe-form .pe-btn { align-self: flex-start; margin-top: 4px; }
.pe-form-fine { margin: 0; font-family: var(--font-sans); font-size: 11.5px; color: var(--steel-500); line-height: 1.5; text-transform: none; letter-spacing: 0; font-weight: 400; }
.pe-form-sent { text-align: center; padding: 16px 0; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.pe-form-sent-mark { width: 56px; height: 56px; border-radius: 99px; background: rgba(47,143,91,0.15); color: var(--ok); display: flex; align-items: center; justify-content: center; }
.pe-form-sent h3 { margin: 4px 0 0; font-size: 20px; font-weight: 600; color: var(--paper-soft); }
.pe-form-sent p { margin: 0; font-size: 14px; color: var(--steel-300); max-width: 320px; }

/* ============================================================
   Footer
   ============================================================ */
.pe-footer { background: var(--ink-900); padding: 36px 0; border-top: 1px solid rgba(255,255,255,0.08); }
.pe-footer-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; align-items: center; }
.pe-logo-name-inv { color: var(--paper-soft); font-family: var(--font-sans); font-size: 13px; font-weight: 600; letter-spacing: -0.005em; }
.pe-logo-sub-foot { display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em; color: var(--steel-500); margin-top: 4px; }
.pe-footer-links { display: flex; justify-content: center; gap: 24px; }
.pe-footer-links a { font-size: 13px; color: var(--steel-300); text-decoration: none; }
.pe-footer-links a:hover { color: var(--paper-soft); }
.pe-footer-legal { display: flex; justify-content: flex-end; gap: 18px; align-items: center; font-family: var(--font-mono); font-size: 10.5px; color: var(--steel-500); letter-spacing: 0.04em; }
.pe-footer-legal a { color: var(--steel-300); text-decoration: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .pe-services-grid { grid-template-columns: repeat(2, 1fr); }
  .pe-two-col { grid-template-columns: 1fr; gap: 24px; }
  .pe-ai-grid, .pe-about-grid, .pe-contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .pe-problem-list { grid-template-columns: 1fr; }
  .pe-problem-list li:nth-child(odd) { padding-right: 0; border-right: 0; }
  .pe-problem-list li:nth-child(even) { padding-left: 0; }
}
@media (max-width: 720px) {
  .pe-container { padding: 0 20px; }
  .pe-nav, .pe-header-cta { display: none; }
  .pe-header-burger { display: block; background: none; border: 0; cursor: pointer; padding: 4px; color: var(--ink-900); }
  body.pe-menu-open .pe-nav {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--paper-soft);
    border-top: 1px solid var(--border-hair);
    border-bottom: 1px solid var(--border-hair);
    padding: 12px 20px;
  }
  body.pe-menu-open .pe-nav a {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-hair);
    font-size: 15px;
  }
  body.pe-menu-open .pe-nav a:last-child { border-bottom: 0; }
  .pe-services-grid { grid-template-columns: 1fr; }
  .pe-hero-stats { gap: 24px; flex-wrap: wrap; }
  .pe-step { grid-template-columns: 1fr; gap: 12px; }
  .pe-step-line { display: none; }
  .pe-footer-row { grid-template-columns: 1fr; text-align: center; }
  .pe-footer-links { flex-wrap: wrap; }
}

/* ============================================================
   Form success modal
   ============================================================ */
.pe-form-success-modal {
  background: var(--paper-soft);
  border-radius: 6px;
  padding: 48px 40px 40px;
  width: 100%;
  max-width: 480px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  box-shadow: 0 24px 60px -20px rgba(11,18,32,.55);
  animation: pe-modal-rise 0.22s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.pe-form-success-check {
  width: 64px;
  height: 64px;
  border-radius: 99px;
  background: var(--ok-bg);
  color: var(--ok);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.pe-form-success-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}
.pe-form-success-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-2);
  max-width: 340px;
}
.pe-form-success-actions { margin-top: 8px; }