/* ═══════════════════════════════════════════════════════════
   automation.css — Steel/Slate theme (matches main7.css)
   Standalone subpage stylesheet
═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg:         #0f172a;
  --surface:    #1e293b;
  --surface2:   #293548;
  --border:     #2d3f56;
  --border-hi:  #4a6480;
  --accent:     #3b82f6;
  --accent-hi:  #60a5fa;
  --accent-dim: rgba(59,130,246,0.10);
  --silver:     #b0bfd0;
  --silver-hi:  #dde6f0;
  --text:       #f1f5f9;
  --text-muted: #b8c9dc;
  --text-dim:   #7a90a8;
  --nav-bg:     rgba(15,23,42,0.94);
  --nav-border: #1e293b;
  --nav-h:      64px;
  --error:      #f87171;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle, rgba(148,163,184,0.065) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
  z-index: 0;
}

/* ─── LANGUAGE VISIBILITY ─── */
body:not(.lang-en) .txt-en { display: none !important; }
body.lang-en .txt-pl        { display: none !important; }

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--nav-border);
  z-index: 100;
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.home-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.home-link:hover { color: var(--text); }

.home-link svg {
  width: 14px; height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.2s;
}

.home-link:hover svg { transform: translateX(-3px); }

/* ─── LANGUAGE SWITCH ─── */
.lang-switch {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 10px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.lang-btn:hover { color: var(--silver-hi); }

.lang-btn.active {
  background: var(--accent-dim);
  color: var(--accent-hi);
}

/* ─── HAMBURGER ─── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--silver);
  transition: all 0.3s;
  transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); background: var(--accent-hi); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); background: var(--accent-hi); }

/* ─── MOBILE DRAWER ─── */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: #141e30;
  border-bottom: 1px solid var(--border);
  padding: 1.5rem clamp(1.5rem, 5vw, 4rem);
  z-index: 99;
  transform: translateY(-110%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}

.mobile-nav.open { transform: translateY(0); }

.mobile-nav ul { list-style: none; display: flex; flex-direction: column; }

.mobile-nav ul li a {
  display: block;
  padding: 0.85rem 0;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  transition: color 0.2s;
}

.mobile-nav ul li:last-child a { border-bottom: none; }
.mobile-nav ul li a:hover { color: var(--text); }

.mobile-lang {
  display: flex;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.mobile-lang .lang-btn {
  flex: 1;
  padding: 8px;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.mobile-lang .lang-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-hi);
}

/* ─── HERO ─── */
.auto-hero {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 4rem) clamp(1.5rem, 8vw, 6rem) 4rem;
  position: relative;
  z-index: 1;
}

.auto-hero::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 700px; height: 500px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.08) 0%, transparent 65%);
  transform: translate(-50%, -55%);
  pointer-events: none;
}

.hero-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-hi);
  border: 1px solid rgba(96,165,250,0.28);
  background: rgba(59,130,246,0.06);
  padding: 5px 16px;
  margin-bottom: 2rem;
  display: inline-block;
  animation: fadeUp 0.8s ease both;
}

.hero-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(2.4rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.8s 0.15s ease both;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, #ffffff 10%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.85;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  animation: fadeUp 0.8s 0.45s ease both;
}

/* ─── BUTTONS ─── */
.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 13px 28px;
  border: 1px solid var(--accent);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--accent-hi);
  border-color: var(--accent-hi);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(59,130,246,0.28);
}

.btn-outline {
  background: transparent;
  color: var(--silver);
  padding: 13px 28px;
  border: 1px solid var(--border-hi);
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
  display: inline-block;
}

.btn-outline:hover {
  border-color: var(--silver-hi);
  color: var(--text);
  transform: translateY(-2px);
}

/* ─── PAGE SECTIONS ─── */
.page-section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.5rem, 8vw, 6rem);
  border-top: 1px solid var(--border);
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-hi);
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: var(--text);
}

.section-body {
  color: var(--text-muted);
  font-size: 0.95rem;
  max-width: 640px;
  line-height: 1.85;
  margin-bottom: 3rem;
}

/* ─── PROCESS STEPS ─── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5px;
  background: var(--border);
  border: 1px solid var(--border);
  margin-top: 3rem;
}

.process-step {
  background: var(--bg);
  padding: 2rem 1.75rem;
  position: relative;
  transition: background 0.2s;
}

.process-step:hover { background: var(--surface); }

.step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: var(--accent-hi);
  opacity: 0.7;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.step-icon {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  display: block;
}

.step-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.step-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.step-connector {
  position: absolute;
  top: 2.5rem;
  right: -1px;
  width: 2px;
  height: 1.5rem;
  background: var(--accent-dim);
}

/* ─── AUTOMATION AREAS ─── */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.area-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.75rem;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.area-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.area-card:hover {
  border-color: var(--border-hi);
  background: var(--surface2);
  transform: translateY(-3px);
}

.area-card:hover::before { opacity: 1; }

.area-icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  display: block;
}

.area-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.area-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.area-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.area-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: var(--silver);
  border: 1px solid var(--border);
  background: rgba(148,163,184,0.05);
  padding: 2px 7px;
}

/* ─── AGENTS ─── */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.agent-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  transition: border-color 0.2s, background 0.2s;
}

.agent-card:hover {
  border-color: var(--accent);
  background: var(--surface2);
}

.agent-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--accent-dim);
  line-height: 1;
  flex-shrink: 0;
  color: var(--border-hi);
  min-width: 2.5rem;
}

.agent-body { flex: 1; }

.agent-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.agent-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.agent-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.agent-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.58rem;
  letter-spacing: 0.05em;
  color: var(--accent-hi);
  border: 1px solid rgba(96,165,250,0.2);
  background: var(--accent-dim);
  padding: 2px 7px;
}

/* ─── ROI / STATS ─── */
.roi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 3rem;
}

.roi-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  padding: 1.75rem 1.5rem;
  text-align: center;
}

.roi-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--accent-hi);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.roi-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.chart-box {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1.75rem;
}

.chart-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.chart-canvas { width: 100% !important; }

/* ─── CTA SECTION ─── */
.cta-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  padding: 3.5rem;
  text-align: center;
  margin-top: 1.5rem;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  width: 400px; height: 200px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.07) 0%, transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--text);
}

.cta-body {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ─── FOOTER ─── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem clamp(1.5rem, 5vw, 4rem);
  text-align: center;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  position: relative;
  z-index: 1;
}

/* ─── FADE-UP ANIMATION ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hi); }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .areas-grid   { grid-template-columns: repeat(2, 1fr); }
  .roi-grid     { grid-template-columns: repeat(2, 1fr); }
  .charts-grid  { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .lang-switch { display: none; }
  .hamburger   { display: flex; }
  .mobile-nav  { display: block; }

  .agents-grid  { grid-template-columns: 1fr; }
  .cta-section  { padding: 2.5rem 1.5rem; }
}

@media (max-width: 560px) {
  .process-grid { grid-template-columns: 1fr; }
  .areas-grid   { grid-template-columns: 1fr; }
  .roi-grid     { grid-template-columns: 1fr 1fr; }
  .hero-cta     { flex-direction: column; align-items: center; }
  .btn-primary, .btn-outline { width: 100%; max-width: 280px; text-align: center; }
}