/*
  MS Sicherheitstechnik – styles.css  (Design v3)
  ─────────────────────────────────────────────────
  TODO: Fonts lokal hosten oder rechtlich geprüfte Einbindung verwenden.
  Aktuell System-Fallbacks. Für Produktion @font-face mit WOFF2 ersetzen.
*/

:root {
  /* Colours */
  --bg:          #0D1117;
  --bg2:         #111820;
  --bg3:         #161E28;
  --bg4:         #1A2130;
  --bg5:         #0A0E14;
  --border:      #1E2C38;
  --border-mid:  #283848;
  --border-hi:   #364C60;
  --text:        #E8EDF2;
  --text2:       #8FA8BE;
  --text3:       #546070;
  --accent:      #E05A1A;
  --hover:       #F06828;
  --accent-faint:rgba(224,90,26,0.08);
  --accent-glow: rgba(224,90,26,0.18);

  /* Type */
  --font-sans: 'DM Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;

  /* Radii */
  --r-xs: 2px;
  --r-sm: 4px;
  --r:    6px;
  --r-lg: 10px;
  --r-xl: 16px;

  /* Layout */
  --max-w:   1140px;
  --header-h: 70px;
}

/* ── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; transition: color .15s; }
a:hover { color: var(--hover); }
img { display: block; max-width: 100%; height: auto; }

/* ── Container ─────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ── Header ────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 200;
  height: var(--header-h);
  background: rgba(8,12,17,.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Logo */
.logo {
  display: flex; align-items: center; gap: 13px;
  text-decoration: none; flex-shrink: 0;
}
.logo-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  transition: background .15s; flex-shrink: 0;
}
.logo:hover .logo-mark { background: var(--hover); }
.logo-mark svg { width: 17px; height: 17px; color: #fff; }
.logo-text { display: flex; flex-direction: column; gap: 2px; }
.logo-main {
  font-size: 13.5px; font-weight: 700;
  letter-spacing: .055em; color: var(--text);
  text-transform: uppercase; line-height: 1;
}
.logo-sub {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .14em; color: var(--text3);
  text-transform: uppercase; line-height: 1;
}

/* Desktop nav */
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  font-size: 13px; font-weight: 500; letter-spacing: .02em;
  color: var(--text2); padding: 7px 14px;
  border-radius: var(--r-sm);
  transition: color .15s, background .15s;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--text); background: var(--bg4); }
.nav-cta {
  margin-left: 6px;
  background: var(--accent) !important;
  color: #fff !important; font-weight: 600 !important;
}
.nav-cta:hover { background: var(--hover) !important; }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column;
  justify-content: center; gap: 5px;
  width: 42px; height: 42px; padding: 11px;
  cursor: pointer; background: none;
  border: 1px solid var(--border); border-radius: var(--r-sm);
}
.hamburger span {
  display: block; width: 20px; height: 1.5px;
  background: var(--text2); border-radius: 2px;
  transition: transform .2s, opacity .2s;
}
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none; position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--bg2); z-index: 199;
  padding: 32px 28px 48px;
  flex-direction: column; overflow-y: auto;
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 17px; font-weight: 500; color: var(--text2);
  padding: 17px 0; border-bottom: 1px solid var(--border);
  text-decoration: none; transition: color .15s;
}
.mobile-nav a:hover { color: var(--accent); }
.mobile-nav .nav-cta-mobile {
  margin-top: 28px; padding: 18px 24px;
  background: var(--accent); color: #fff !important;
  text-align: center; border-radius: var(--r);
  font-weight: 700; font-size: 16px; border-bottom: none;
}
.mobile-nav .nav-cta-mobile:hover { background: var(--hover); }

/* ── Breadcrumb ─────────────────────────────────── */
.breadcrumb { padding: 14px 0; border-bottom: 1px solid var(--border); }
.breadcrumb ol {
  list-style: none; display: flex; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--text3); letter-spacing: .04em;
}
.breadcrumb li + li::before { content: ' › '; margin: 0 8px; color: var(--border-hi); }
.breadcrumb a { color: var(--text3); }
.breadcrumb a:hover { color: var(--text2); }
.breadcrumb [aria-current="page"] { color: var(--text2); }

/* ── Hero ───────────────────────────────────────── */
.hero {
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
/* Subtle engineering grid */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(224,90,26,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(224,90,26,.022) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 580px;
}
.hero-content {
  padding: 84px 64px 84px 0;
  display: flex; flex-direction: column; justify-content: center;
  position: relative; z-index: 1;
}
.hero-media {
  background: var(--bg2);
  border-left: 1px solid var(--border);
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.hero-media::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 40% 55%,
    var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}
.hero-media img,
.hero-media svg {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}

/* Hero typography */
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 24px;
}
.hero-eyebrow::before {
  content: '';
  display: block; width: 24px; height: 1px; background: var(--accent);
}
.hero h1 {
  font-size: clamp(26px, 3.2vw, 50px); font-weight: 700;
  line-height: 1.13; letter-spacing: -.025em;
  color: var(--text); margin-bottom: 22px; max-width: 520px;
}
.hero-lead {
  font-size: 17px; color: var(--text2);
  max-width: 440px; margin-bottom: 38px; line-height: 1.64;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ── Buttons ────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: 14px;
  font-weight: 600; letter-spacing: .02em;
  padding: 12px 24px; border-radius: var(--r);
  border: none; cursor: pointer; line-height: 1;
  text-decoration: none;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--hover); color: #fff; }
.btn-secondary {
  background: transparent; color: var(--text2);
  border: 1px solid var(--border-mid);
}
.btn-secondary:hover {
  color: var(--text); border-color: var(--border-hi); background: var(--bg4);
}

/* ── Page Hero (inner pages) ────────────────────── */
.page-hero {
  padding: 62px 0 50px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(160deg, var(--bg5) 0%, var(--bg) 60%);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(224,90,26,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(224,90,26,.018) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(22px, 3vw, 40px); font-weight: 700;
  letter-spacing: -.022em; color: var(--text);
  max-width: 680px; line-height: 1.17; margin-bottom: 14px;
}
.page-hero p {
  font-size: 16px; color: var(--text2);
  max-width: 560px; line-height: 1.65;
}

/* ── Sections ───────────────────────────────────── */
.section { padding: 84px 0; border-bottom: 1px solid var(--border); }
.section:last-child { border-bottom: none; }

.section-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 14px;
}
.section-eyebrow::before {
  content: '';
  display: block; width: 16px; height: 1px; background: var(--accent);
}
.section h2 {
  font-size: clamp(20px, 2.5vw, 30px); font-weight: 700;
  letter-spacing: -.02em; color: var(--text);
  margin-bottom: 14px; line-height: 1.2;
}
.section-lead {
  font-size: 16px; color: var(--text2);
  max-width: 620px; margin-bottom: 40px; line-height: 1.7;
}

/* ── Card grid ──────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
}
.card {
  background: var(--bg2); padding: 34px 30px;
  transition: background .15s; position: relative;
}
.card::after {
  content: ''; position: absolute;
  top: 0; left: 0; right: 0; height: 2px;
  background: transparent; transition: background .15s;
}
.card:hover { background: var(--bg4); }
.card:hover::after { background: var(--accent); }
.card-icon { width: 32px; height: 32px; margin-bottom: 16px; color: var(--accent); }
.card h3 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 9px; }
.card p { font-size: 14px; color: var(--text2); line-height: 1.64; }

/* ── Layouts ────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.three-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

/* ── Technical image frame ──────────────────────── */
.tech-frame {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,.45);
  position: relative;
}
.tech-frame::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 0%,
    rgba(224,90,26,.06) 0%, transparent 60%);
  pointer-events: none; z-index: 1;
}
.tech-frame img,
.tech-frame svg { display: block; width: 100%; position: relative; z-index: 0; }
.tech-frame-caption {
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  background: var(--bg3);
}
.tech-frame-caption span {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--text3); letter-spacing: .08em; text-transform: uppercase;
}
.tech-frame-caption::before {
  content: '';
  display: block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--accent); flex-shrink: 0;
}

/* ── Infobox ────────────────────────────────────── */
.infobox {
  background: var(--bg3);
  border-left: 2px solid var(--accent);
  padding: 18px 22px; margin: 30px 0;
  border-radius: 0 var(--r) var(--r) 0;
}
.infobox p { font-size: 15px; color: var(--text2); line-height: 1.72; }
.infobox strong { color: var(--text); font-weight: 600; }

/* ── Notice ─────────────────────────────────────── */
.notice {
  background: var(--accent-faint);
  border: 1px solid rgba(224,90,26,.2);
  border-radius: var(--r-lg);
  padding: 16px 20px; font-size: 14px;
  color: var(--text2); margin: 22px 0; line-height: 1.64;
}
.notice strong { color: var(--accent); }

/* ── Step list ──────────────────────────────────── */
.step-list { list-style: none; counter-reset: steps; }
.step-list li {
  display: flex; gap: 24px; padding: 22px 0;
  border-bottom: 1px solid var(--border);
  counter-increment: steps;
}
.step-list li::before {
  content: counter(steps, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); min-width: 28px; padding-top: 2px; flex-shrink: 0;
}
.step-content h3 { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.step-content p { font-size: 14px; color: var(--text2); line-height: 1.64; }

/* ── Prose ──────────────────────────────────────── */
.prose { font-size: 15px; color: var(--text2); line-height: 1.78; }
.prose p { margin-bottom: 1.1em; }
.prose strong { color: var(--text); font-weight: 600; }
.prose ul { margin: .8em 0 1.1em 1.3em; }
.prose ul li { margin-bottom: .42em; }

/* ── Contact form ───────────────────────────────── */
.form-shell {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 38px 40px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
  font-size: 11px; font-family: var(--font-mono);
  letter-spacing: .09em; text-transform: uppercase; color: var(--text3);
}
.form-field .req { color: var(--accent); }
.form-field input,
.form-field textarea {
  background: var(--bg3); border: 1px solid var(--border-mid);
  border-radius: var(--r); color: var(--text);
  font-family: var(--font-sans); font-size: 15px;
  padding: 12px 16px; outline: none;
  transition: border-color .15s;
}
.form-field input:focus,
.form-field textarea:focus { border-color: var(--accent); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text3); }
.form-field textarea { min-height: 140px; resize: vertical; }
.honeypot-field { display: none !important; visibility: hidden; }
.form-hint {
  font-size: 13px; color: var(--text3);
  margin-bottom: 26px; padding: 13px 18px;
  background: var(--bg3);
  border-left: 2px solid var(--border-mid);
  border-radius: 0 var(--r) var(--r) 0;
  line-height: 1.6;
}
.form-privacy { font-size: 12px; color: var(--text3); margin-top: 13px; }
.form-success {
  display: none;
  background: rgba(34,197,94,.07); border: 1px solid rgba(34,197,94,.22);
  border-radius: var(--r-lg); padding: 18px 22px;
  color: #86efac; font-size: 15px; margin-top: 14px; line-height: 1.6;
}
.form-backend-notice {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--accent); background: var(--accent-faint);
  border: 1px solid rgba(224,90,26,.18);
  padding: 11px 15px; border-radius: var(--r);
  margin-bottom: 22px; letter-spacing: .02em; line-height: 1.6;
}

/* ── Contact DL ─────────────────────────────────── */
.contact-dl {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; margin-bottom: 48px;
}
.contact-dl-item { background: var(--bg2); padding: 26px 28px; transition: background .15s; }
.contact-dl-item:hover { background: var(--bg4); }
.contact-dl-item dt {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text3); margin-bottom: 10px;
}
.contact-dl-item dd { font-size: 15px; color: var(--text); }

/* ── Legal ──────────────────────────────────────── */
.legal-content { max-width: 720px; padding: 62px 0 80px; }
.legal-content h1 {
  font-size: clamp(24px, 3vw, 38px); font-weight: 700;
  letter-spacing: -.022em; color: var(--text); margin-bottom: 34px;
}
.legal-content h2 {
  font-size: 16px; font-weight: 700; color: var(--text);
  margin: 38px 0 12px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.legal-content p,
.legal-content li { font-size: 14px; color: var(--text2); line-height: 1.78; margin-bottom: 9px; }
.legal-content ul { margin-left: 1.4em; }
.placeholder-block {
  background: var(--bg3); border: 1px dashed var(--border-mid);
  border-radius: var(--r); padding: 13px 17px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--accent); margin: 10px 0 17px;
}

/* ── Footer ─────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 30px; background: var(--bg5);
}
.footer-inner {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  gap: 56px; margin-bottom: 44px;
  padding-bottom: 44px; border-bottom: 1px solid var(--border);
}
.footer-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; margin-bottom: 16px;
}
.footer-logo .logo-mark {
  width: 32px; height: 32px; background: var(--accent);
  border-radius: var(--r-sm); display: flex;
  align-items: center; justify-content: center;
}
.footer-logo .logo-mark svg { width: 15px; height: 15px; color: #fff; }
.footer-tagline {
  font-size: 13px; color: var(--text3);
  line-height: 1.64; max-width: 280px;
}
.footer-nav h4 {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--text3); margin-bottom: 16px;
}
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-nav a { font-size: 13px; color: var(--text3); transition: color .15s; }
.footer-nav a:hover { color: var(--text2); }
.footer-bottom {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 11px; color: var(--text3);
  font-family: var(--font-mono); letter-spacing: .04em;
}
.footer-bottom a { color: var(--text3); }
.footer-bottom a:hover { color: var(--text2); }
.footer-bottom-links { display: flex; gap: 20px; }

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 860px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }

  .hero-inner { grid-template-columns: 1fr; min-height: auto; }
  .hero-content { padding: 52px 0 44px; }
  .hero-media {
    min-height: 260px; border-left: none;
    border-top: 1px solid var(--border);
  }

  .two-col,
  .three-col { grid-template-columns: 1fr; gap: 36px; }

  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-shell { padding: 26px 20px; }
  .section { padding: 56px 0; }
  .page-hero { padding: 48px 0 38px; }
}
@media (max-width: 560px) {
  .container { padding: 0 18px; }
  .hero h1 { font-size: 24px; }
  .hero-content { padding: 40px 0 36px; }
  .contact-dl { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .card-grid { grid-template-columns: 1fr; }
}

/* ── Visual Enhancements (v3.1) ─────────────────── */

/* Divider with accent tick */
.section-divider {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 48px;
}
.section-divider::before {
  content: ''; display: block;
  width: 3px; height: 32px;
  background: var(--accent); border-radius: 2px; flex-shrink: 0;
}
.section-divider h2 { margin-bottom: 0; }

/* Highlight stat strip */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden; background: var(--border); gap: 1px;
  margin: 44px 0;
}
.stat-strip-item {
  background: var(--bg2); padding: 28px 24px; text-align: center;
}
.stat-value {
  font-family: var(--font-mono); font-size: 26px; font-weight: 700;
  color: var(--accent); line-height: 1; margin-bottom: 8px;
  letter-spacing: -.02em;
}
.stat-label {
  font-size: 12px; color: var(--text3);
  letter-spacing: .04em; line-height: 1.4;
}

/* Atex badge */
.atex-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border-mid);
  border-radius: var(--r); padding: 10px 16px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text2); letter-spacing: .06em;
}
.atex-badge::before {
  content: '';
  display: block; width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%;
  flex-shrink: 0; box-shadow: 0 0 6px var(--accent-glow);
}

/* Feature list (tick items) */
.feature-list {
  list-style: none; display: flex; flex-direction: column; gap: 12px;
  margin: 24px 0;
}
.feature-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 14px; color: var(--text2); line-height: 1.6;
}
.feature-list li::before {
  content: '→'; color: var(--accent);
  font-family: var(--font-mono); font-size: 13px;
  flex-shrink: 0; margin-top: 1px;
}

/* Inline tag */
.tag {
  display: inline-block;
  background: var(--accent-faint); border: 1px solid rgba(224,90,26,.22);
  color: var(--accent); border-radius: var(--r-xs);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 3px 8px;
}

/* Section with side accent line */
.section-accented {
  border-left: 2px solid var(--accent);
  padding-left: 28px;
  margin-bottom: 40px;
}

/* Process flow horizontal */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden;
  margin: 40px 0;
}
.process-step {
  background: var(--bg2); padding: 28px 22px; position: relative;
}
.process-step::after {
  content: '›';
  position: absolute; top: 50%; right: -1px;
  transform: translateY(-50%);
  font-size: 18px; color: var(--border-hi); z-index: 1;
}
.process-step:last-child::after { display: none; }
.process-num {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--accent); letter-spacing: .14em;
  margin-bottom: 10px;
}
.process-step h3 { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.process-step p { font-size: 12px; color: var(--text3); line-height: 1.55; }

/* CTA band */
.cta-band {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--r-lg); padding: 40px 44px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px;
  flex-wrap: wrap; margin-top: 0;
}
.cta-band-text h2 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.cta-band-text p { font-size: 14px; color: var(--text2); }

/* Hero stat pills */
.hero-pills {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px;
}
.hero-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 100px; padding: 6px 14px;
  font-size: 12px; color: var(--text2);
}
.hero-pill::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}

/* Contact aside panel */
.contact-aside {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 32px 28px;
  position: sticky; top: calc(var(--header-h) + 24px);
}
.contact-aside h3 {
  font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 6px;
}
.contact-aside p { font-size: 13px; color: var(--text3); margin-bottom: 24px; line-height: 1.6; }
.contact-aside .atex-badge { margin-top: 20px; width: 100%; justify-content: center; }

/* Section BG alternating */
.section-alt { background: var(--bg2); }
.section-alt .container { padding-top: 0; padding-bottom: 0; }

@media (max-width: 860px) {
  .stat-strip { grid-template-columns: 1fr; }
  .process-flow { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .contact-aside { position: static; }
}
@media (max-width: 560px) {
  .process-flow { grid-template-columns: 1fr; }
  .hero-pills { gap: 6px; }
}

/* ── FAQ Component ──────────────────────────────── */
.faq-section { padding: 72px 0; border-top: 1px solid var(--border); }

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-top: 36px;
}
.faq-item {
  background: var(--bg2);
  padding: 0;
  transition: background .15s;
}
.faq-item:hover { background: var(--bg3); }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
}
.faq-q-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  flex: 1;
}
.faq-chevron {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
  transition: transform .2s;
}
.faq-item[open] .faq-chevron { transform: rotate(180deg); }

.faq-a {
  padding: 0 26px 22px;
  font-size: 14px;
  color: var(--text2);
  line-height: 1.72;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* details/summary native accordion */
.faq-item summary { list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }

details.faq-item[open] { background: var(--bg3); }
details.faq-item[open] .faq-chevron { transform: rotate(180deg); }

@media (max-width: 860px) {
  .faq-grid { grid-template-columns: 1fr; }
}

/* ── Feature list (visual arrows) ───────────────── */
.feature-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 11px;
  margin: 22px 0;
}
.feature-list li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 14px; color: var(--text2); line-height: 1.6;
}
.feature-list li::before {
  content: '→';
  color: var(--accent); font-family: var(--font-mono);
  font-size: 13px; flex-shrink: 0; margin-top: 1px;
}

/* ── ATEX badge ──────────────────────────────────── */
.atex-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--bg3); border: 1px solid var(--border-mid);
  border-radius: var(--r); padding: 10px 16px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text2); letter-spacing: .06em; margin-top: 20px;
}
.atex-badge::before {
  content: '';
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
  box-shadow: 0 0 6px rgba(224,90,26,.5);
}

/* ── CTA band ────────────────────────────────────── */
.cta-band {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: var(--r-lg);
  padding: 40px 44px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.cta-band h2 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.cta-band p { font-size: 14px; color: var(--text2); max-width: 520px; }

/* ── Process flow ────────────────────────────────── */
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden; margin: 40px 0;
}
.process-step {
  background: var(--bg2); padding: 26px 22px; position: relative;
}
.process-step-num {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--accent); letter-spacing: .14em; margin-bottom: 10px;
}
.process-step h3 { font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.process-step p { font-size: 12px; color: var(--text3); line-height: 1.55; }

@media (max-width: 860px) {
  .process-flow { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
}
@media (max-width: 560px) {
  .process-flow { grid-template-columns: 1fr; }
}

/* ============================================================
   Premium visual pass v4 – real source imagery, restrained industrial UI
   ============================================================ */
:root {
  --bg: #0B1118;
  --bg2: #101821;
  --bg3: #151F2A;
  --bg4: #1B2733;
  --border: rgba(143,168,190,.18);
  --border-mid: rgba(143,168,190,.28);
  --text: #EDF3F8;
  --text2: #A9BAC9;
  --text3: #687989;
  --accent: #E05A1A;
  --hover: #F0712E;
  --max-w: 1180px;
}
body {
  background:
    radial-gradient(circle at 80% 0%, rgba(224,90,26,.09), transparent 36rem),
    radial-gradient(circle at 0% 20%, rgba(95,139,173,.09), transparent 34rem),
    var(--bg);
}
.site-header {
  background: rgba(8, 12, 17, .82);
  border-bottom-color: rgba(143,168,190,.16);
  box-shadow: 0 12px 40px rgba(0,0,0,.22);
}
.logo-mark {
  border-radius: 10px;
  background: linear-gradient(135deg, #E05A1A 0%, #B74310 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,.10) inset, 0 12px 30px rgba(224,90,26,.18);
}
.main-nav a { border: 1px solid transparent; }
.main-nav a:hover, .main-nav a[aria-current="page"] {
  border-color: rgba(143,168,190,.10);
  background: rgba(255,255,255,.045);
}
.nav-cta { box-shadow: 0 10px 26px rgba(224,90,26,.24); }
.hero {
  background:
    linear-gradient(180deg, rgba(255,255,255,.018), rgba(255,255,255,0)),
    var(--bg);
}
.hero::before {
  opacity: .85;
  background-image:
    linear-gradient(rgba(143,168,190,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,168,190,.028) 1px, transparent 1px);
  background-size: 42px 42px;
}
.hero-inner {
  min-height: 640px;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: 42px;
  align-items: center;
}
.hero-content { padding: 100px 0; }
.hero h1 { max-width: 620px; font-size: clamp(34px, 4.2vw, 62px); line-height: 1.04; }
.hero-lead { max-width: 560px; font-size: 18px; color: #B9C8D5; }
.hero-media {
  min-height: 450px;
  border: 1px solid rgba(143,168,190,.22);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.055), rgba(255,255,255,.015)),
    #0F1720;
  box-shadow:
    0 40px 90px rgba(0,0,0,.38),
    0 0 0 1px rgba(255,255,255,.035) inset;
  padding: 34px;
}
.hero-media::before {
  background:
    radial-gradient(circle at 65% 30%, rgba(224,90,26,.22), transparent 34%),
    linear-gradient(90deg, rgba(13,17,23,.75), transparent 50%);
}
.hero-media img,
.tech-frame img {
  object-fit: contain !important;
  width: 100%;
  height: auto;
  max-height: 100%;
  filter: saturate(.96) contrast(1.05);
  border-radius: 14px;
}
.hero-media img {
  background: #fff;
  padding: 12px;
  box-shadow: 0 22px 60px rgba(0,0,0,.35);
}
.section {
  border-top: 1px solid rgba(143,168,190,.11);
  position: relative;
}
.section:nth-of-type(even) {
  background: linear-gradient(180deg, rgba(255,255,255,.025), rgba(255,255,255,0));
}
.section-eyebrow, .hero-eyebrow {
  color: #FF8A4E;
  font-weight: 700;
}
.section h2 { letter-spacing: -.025em; }
.section-lead { color: #B4C4D2; max-width: 760px; }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.026));
  border-color: rgba(143,168,190,.18);
  box-shadow: 0 18px 50px rgba(0,0,0,.23);
  backdrop-filter: blur(10px);
}
.card:hover {
  transform: translateY(-2px);
  border-color: rgba(224,90,26,.36);
  box-shadow: 0 24px 70px rgba(0,0,0,.30);
}
.tech-frame {
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025)),
    #0E151D;
  border: 1px solid rgba(143,168,190,.22);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 28px 75px rgba(0,0,0,.34);
}
.tech-frame img {
  background: #fff;
  padding: 10px;
  max-height: 520px;
  margin: 0 auto;
}
.tech-frame-caption {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(143,168,190,.16);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text3);
}
.infobox {
  background: linear-gradient(135deg, rgba(224,90,26,.13), rgba(255,255,255,.035));
  border-color: rgba(224,90,26,.26);
  border-radius: 18px;
}
.btn {
  border-radius: 999px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: linear-gradient(135deg, #E05A1A 0%, #F0712E 100%);
  box-shadow: 0 14px 34px rgba(224,90,26,.26);
}
.btn-primary:hover { box-shadow: 0 18px 44px rgba(224,90,26,.34); }
.btn-secondary {
  background: rgba(255,255,255,.04);
  border-color: rgba(143,168,190,.24);
}
.site-footer {
  background:
    linear-gradient(180deg, rgba(255,255,255,.035), transparent),
    #080D12;
  border-top-color: rgba(143,168,190,.16);
}
/* make the old documentation photos look intentional rather than accidental */
img[src$="protector-s49-i-diagram-photo.jpg"],
img[src$="protector-s49-i-real.webp"],
img[src$="kesselwagen-real.jpg"] {
  image-rendering: auto;
}
@media (max-width: 860px) {
  .hero-inner { min-height: unset; gap: 22px; }
  .hero-content { padding: 64px 0 16px; }
  .hero-media { min-height: unset; padding: 18px; border-radius: 18px; margin-bottom: 48px; }
  .hero h1 { font-size: clamp(31px, 9vw, 46px); }
  .tech-frame { padding: 12px; border-radius: 18px; }
}