/* =============================================================
   SD-Tech — Precision Instrument Design System
   Dark, technical, trustworthy. Function over decoration.
   ============================================================= */

/* ---------- Design tokens ---------- */
:root {
  /* Color */
  --bg: #07090F;
  --bg-2: #0A0E17;
  --panel: #0E141F;
  --panel-2: #131B29;
  --panel-3: #182236;
  --accent: #2E80FF;
  --accent-glow: #4FA0FF;
  --data: #57D9F2;
  --ok: #46D39A;
  --danger: #e0607a;
  --danger-text: #f3a8b6;
  --text: #F2F6FB;
  --muted: #AEB9C6;
  --muted-2: #7E8A99;
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-soft: rgba(255, 255, 255, 0.05);
  --hairline-strong: rgba(255, 255, 255, 0.14);
  --grid-line: rgba(255, 255, 255, 0.07);

  /* Type */
  --font-display: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', 'Consolas', monospace;

  /* Spacing scale (8px base) */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 48px;
  --s-6: 64px;
  --s-7: 96px;
  --s-8: 128px;

  /* Structure */
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --maxw: 1200px;
  --header-h: 72px;
  --announce-h: 46px; /* height of the "Im Aufbau" bar; refined/zeroed by JS */

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --micro: 150ms;
  --reveal: 240ms;

  /* Effects */
  --ring: 0 0 0 2px var(--bg), 0 0 0 4px var(--accent-glow);
  --glow-accent: 0 0 0 1px rgba(46, 128, 255, 0.4), 0 8px 30px rgba(46, 128, 255, 0.35);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + var(--announce-h, 0px) + 16px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--text);
  overflow-wrap: break-word;
}

::selection { background: rgba(46, 128, 255, 0.32); color: #fff; }

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 600;
}
.skip-link:focus { left: 12px; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: 24px;
}

.section { padding-block: var(--s-7); position: relative; }
.section--tight { padding-block: var(--s-6); }

.section-head { max-width: 760px; margin-bottom: var(--s-5); }
.section-head.center { margin-inline: auto; text-align: center; }

/* ---------- Mono utilities ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--data);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--s-2);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--data), transparent);
}
.center .eyebrow { justify-content: center; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }

h2.section-title {
  font-size: clamp(30px, 4vw, 46px);
  margin-bottom: var(--s-2);
}
.section-lead {
  color: var(--muted);
  font-size: clamp(16px, 1.6vw, 18.5px);
  max-width: 64ch;
  margin: 0;
}
.center .section-lead { margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  padding: 14px 24px;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: transform var(--micro) var(--ease), box-shadow var(--micro) var(--ease),
    background var(--micro) var(--ease), border-color var(--micro) var(--ease);
  min-height: 48px;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--primary {
  /* Fill kept dark enough that white text meets WCAG AA (>= 4.5:1); brand glow stays bright around it */
  background: linear-gradient(180deg, #2A6FE0, #1857C6);
  color: #fff;
  box-shadow: 0 6px 22px rgba(46, 128, 255, 0.30);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(46, 128, 255, 0.48);
}
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--hairline-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--accent); background: rgba(46, 128, 255, 0.08); }
.btn--ghost:active { transform: translateY(0); background: rgba(46, 128, 255, 0.12); }

.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }

/* Loading state: spinner instead of dimmed/text-swapped button */
.btn[aria-busy="true"] { position: relative; color: transparent; pointer-events: none; }
.btn[aria-busy="true"] svg { visibility: hidden; }
.btn[aria-busy="true"]::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
/* keep the spinning button at full opacity even though it is also [disabled] during send */
.btn[aria-busy="true"][disabled] { opacity: 1; }

.cta-microcopy {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted-2);
  letter-spacing: 0.04em;
}
.hero-trust {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 9px;
  max-width: 52ch;
}
.hero-trust svg { width: 16px; height: 16px; color: var(--ok); flex: none; }

/* ---------- Announcement bar (Im Aufbau) ---------- */
.announce {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 101;
  background: var(--bg-2);
  border-bottom: 1px solid var(--hairline);
}
.announce-inner { display: flex; align-items: center; gap: 14px; padding-block: 9px; }
.announce-tag {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--data);
  border: 1px solid rgba(87, 217, 242, 0.28);
  border-radius: 6px;
  padding: 5px 9px;
}
.announce-tag::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--data);
  box-shadow: 0 0 8px rgba(87, 217, 242, 0.7);
}
.announce-text { margin: 0; font-size: 13px; line-height: 1.45; color: var(--muted); }
.announce-text strong { color: var(--text); font-weight: 600; }
.announce-close {
  flex: none;
  margin-left: auto;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--hairline-strong);
  border-radius: 8px;
  color: var(--muted);
  transition: color var(--micro) var(--ease), border-color var(--micro) var(--ease);
}
.announce-close svg { width: 16px; height: 16px; }
.announce-close:hover { color: var(--text); border-color: var(--accent); }
.announce.hidden { display: none; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: var(--announce-h, 0px);
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background var(--micro) var(--ease), border-color var(--micro) var(--ease),
    backdrop-filter var(--micro) var(--ease);
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: rgba(7, 9, 15, 0.78);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--hairline);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand img { height: 34px; width: auto; }
.brand .brand-sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  border-left: 1px solid var(--hairline);
  padding-left: 12px;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 9px 14px;
  border-radius: 8px;
  transition: color var(--micro) var(--ease), background var(--micro) var(--ease);
}
.nav a:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }

.header-actions { display: flex; align-items: center; gap: var(--s-2); flex: none; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  letter-spacing: 0.02em;
  padding: 8px 4px;
}
.header-phone svg { width: 16px; height: 16px; color: var(--data); }
.header-phone:hover { color: var(--data); }

.menu-toggle { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--announce-h, 0px) + 64px);
  padding-bottom: var(--s-7);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  -webkit-mask-image: radial-gradient(125% 95% at 30% 16%, #000 0%, rgba(0,0,0,0.7) 50%, transparent 86%);
  mask-image: radial-gradient(125% 95% at 30% 16%, #000 0%, rgba(0,0,0,0.7) 50%, transparent 86%);
}
.hero-glow {
  position: absolute;
  z-index: -2;
  width: 780px;
  height: 780px;
  left: -8%;
  top: -22%;
  background: radial-gradient(circle at center, rgba(46, 128, 255, 0.42), rgba(46, 128, 255, 0.12) 40%, transparent 70%);
  filter: blur(7px);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--s-6);
  align-items: center;
}
.hero h1 {
  font-size: clamp(40px, 6.4vw, 76px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: var(--s-3);
}
.hero h1 .accent {
  background: linear-gradient(180deg, #EAF2FF 0%, var(--accent-glow) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-subline {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 var(--s-2);
}
.hero-positioning {
  color: var(--muted);
  font-size: 16.5px;
  max-width: 52ch;
  margin: 0 0 var(--s-4);
}
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--s-2); align-items: center; margin-bottom: 14px; }
.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--hairline-soft);
}
.hero-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text);
}
.hero-phone svg { width: 18px; height: 18px; color: var(--data); }
.hero-phone span.label { color: var(--muted-2); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }

/* Hero data readout panel */
.readout {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-3);
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
}
.readout::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(180deg, rgba(79, 160, 255, 0.4), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.readout-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-bottom: var(--s-2);
  margin-bottom: var(--s-2);
  border-bottom: 1px solid var(--hairline);
}
.readout-dot { display: inline-flex; align-items: center; gap: 7px; color: var(--ok); }
.readout-dot::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(70, 211, 154, 0.6);
  animation: pulse 2.6s var(--ease) infinite;
}
.readout-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--hairline-soft);
}
.readout-row:last-child { border-bottom: 0; }
.readout-row .code { color: var(--text); letter-spacing: 0.01em; }
.readout-row .status { color: var(--ok); display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.readout-row .status svg { width: 13px; height: 13px; }
.readout-row .meas { font-family: var(--font-mono); color: var(--text); display: inline-flex; align-items: center; gap: 8px; font-size: 13px; white-space: nowrap; }
.readout-row .meas small { color: var(--muted-2); font-size: 10.5px; letter-spacing: 0; }
.readout-row .meas svg { width: 13px; height: 13px; color: var(--ok); flex: none; }
.readout-row.result { border-top: 1px solid var(--hairline); border-bottom: 0; margin-top: 4px; padding-top: 13px; }
.readout-row.result .code { color: var(--muted); }
.readout-row.result .status { font-size: 13px; font-weight: 500; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(70, 211, 154, 0.5); }
  70% { box-shadow: 0 0 0 7px rgba(70, 211, 154, 0); }
  100% { box-shadow: 0 0 0 0 rgba(70, 211, 154, 0); }
}

/* ---------- Trust strip ---------- */
.trust-strip {
  border-block: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255,255,255,0.015), transparent);
}
.trust-strip .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--s-2) var(--s-5);
  padding-block: var(--s-3);
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 14.5px;
  color: var(--muted);
}
.trust-item svg { width: 19px; height: 19px; color: var(--accent-glow); flex: none; }
.trust-item strong { color: var(--text); font-weight: 600; }

/* ---------- Branchen ---------- */
.branchen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-2);
}
.branche {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-3);
  transition: border-color var(--micro) var(--ease), transform var(--micro) var(--ease);
}
.branche:hover { border-color: var(--hairline-strong); transform: translateY(-2px); }
.branche svg { width: 26px; height: 26px; color: var(--accent-glow); margin-bottom: 14px; }
.branche h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.branche p { margin: 0; color: var(--muted); font-size: 14px; }
.branchen-note {
  margin-top: var(--s-3);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.branchen-note strong { color: var(--text); }
.branchen-note svg { width: 16px; height: 16px; color: var(--accent-glow); }

/* ---------- Leistungen ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--s-2);
}
.service {
  grid-column: span 2;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-4);
  position: relative;
  overflow: hidden;
  transition: transform var(--micro) var(--ease), border-color var(--micro) var(--ease);
}
.service::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--hairline);
  transition: background var(--reveal) var(--ease);
}
.service:hover { transform: translateY(-2px); border-color: var(--hairline-strong); }
.service:hover::before { background: linear-gradient(90deg, transparent, var(--accent), transparent); }
/* First two cards span 3 for a 2-up feature row */
.service--wide { grid-column: span 3; }
.service-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--hairline);
  background: rgba(46, 128, 255, 0.07);
  margin-bottom: var(--s-3);
}
.service-icon svg { width: 24px; height: 24px; color: var(--accent-glow); }
.service h3 { font-size: 19px; font-weight: 600; margin-bottom: 10px; line-height: 1.25; }
.service p { margin: 0 0 var(--s-2); color: var(--muted); font-size: 15px; }
.norm-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--data);
  background: rgba(87, 217, 242, 0.07);
  border: 1px solid rgba(87, 217, 242, 0.18);
  border-radius: 7px;
  padding: 5px 10px;
  margin: 4px 6px 0 0;
}
.norm-chip::before { content: "›"; color: var(--muted-2); }

.limits {
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px dashed var(--hairline);
}
.limits-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 12px;
}
.limits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px 18px;
}
.limit {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-mono);
}
.limit .k { font-size: 12px; color: var(--muted); letter-spacing: 0.01em; }
.limit .v { font-size: 15px; color: var(--text); font-weight: 500; }
.limit .v small { color: var(--data); font-weight: 400; }

/* ---------- Ablauf ---------- */
.ablauf-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--s-6);
  align-items: stretch;
}
.ablauf-photo {
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  overflow: hidden;
  position: relative;
  min-height: 320px;
}
.ablauf-photo img { width: 100%; height: 100%; object-fit: cover; }
.ablauf-photo::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(7,9,15,0.15), rgba(7,9,15,0.7));
}
.ablauf-photo .tag {
  position: absolute;
  left: 16px; bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text);
  background: rgba(7,9,15,0.6);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 7px 12px;
  backdrop-filter: blur(6px);
}
.steps { display: flex; flex-direction: column; }
.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  position: relative;
}
.step + .step { border-top: 1px solid var(--hairline); }
.step-num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--accent-glow);
  font-variant-numeric: tabular-nums;
  line-height: 1;
  width: 56px;
}
.step h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* ---------- Prüffristen table ---------- */
.table-wrap {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}
.fristen {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}
.fristen thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
  text-align: left;
  padding: 16px 20px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--hairline);
}
.fristen tbody td { padding: 15px 20px; border-bottom: 1px solid var(--hairline-soft); color: var(--muted); }
.fristen tbody tr:last-child td { border-bottom: 0; }
.fristen tbody tr:hover td { background: rgba(255, 255, 255, 0.015); }
.fristen td:first-child { color: var(--text); font-weight: 500; }
.fristen .val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); white-space: nowrap; }
.fristen .val.max { color: var(--data); }
.disclaimer {
  margin-top: var(--s-3);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: var(--muted-2);
  font-size: 14px;
  max-width: 80ch;
}
.disclaimer svg { width: 18px; height: 18px; color: var(--accent-glow); flex: none; margin-top: 2px; }

/* ---------- Warum ---------- */
.warum-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-2);
}
.warum {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-4) var(--s-3);
  transition: transform var(--micro) var(--ease), border-color var(--micro) var(--ease);
}
.warum:hover { transform: translateY(-2px); border-color: var(--hairline-strong); }
.warum-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 11px;
  border: 1px solid var(--hairline);
  background: rgba(46, 128, 255, 0.06);
  margin-bottom: var(--s-3);
}
.warum-icon svg { width: 22px; height: 22px; color: var(--accent-glow); }
.warum h3 { font-size: 17.5px; font-weight: 600; margin-bottom: 9px; line-height: 1.25; }
.warum p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Qualifikation / Lieferumfang ---------- */
.qual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-2);
}
.qual-card {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-4);
  transition: border-color var(--micro) var(--ease), transform var(--micro) var(--ease);
}
.qual-card:hover { border-color: var(--hairline-strong); transform: translateY(-2px); }

/* utility classes (replacing inline styles in markup) */
.legal-basis { margin: 16px 0 0; color: var(--muted-2); font-size: 13.5px; font-family: var(--font-mono); }
.qual-photo-copy h3 { margin-bottom: 12px; }
.qual-photo-copy p { margin: 0; color: var(--muted); font-size: 15px; }
.qual-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--s-3);
  display: flex;
  align-items: center;
  gap: 12px;
}
.qual-card h3 svg { width: 22px; height: 22px; color: var(--accent-glow); }
.checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline-soft);
  color: var(--muted);
  font-size: 15px;
}
.checklist li:last-child { border-bottom: 0; }
.checklist li svg { width: 18px; height: 18px; color: var(--ok); margin-top: 3px; flex: none; }
.checklist li strong { color: var(--text); font-weight: 600; }
.crit-num {
  font-family: var(--font-mono);
  color: var(--data);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  margin-top: 1px;
}
.qual-card.span-2 { grid-column: span 2; }
.qual-photo-card { display: grid; grid-template-columns: 200px 1fr; gap: var(--s-4); align-items: center; }
.qual-photo {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--hairline);
  position: relative;
}
.qual-photo img { width: 100%; height: 180px; object-fit: cover; }
.qual-photo .tag {
  position: absolute; left: 10px; bottom: 10px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em;
  background: rgba(7,9,15,0.7); border: 1px solid var(--hairline);
  padding: 5px 9px; border-radius: 7px; color: var(--text);
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 880px;
  margin-inline: auto;
  border-top: 1px solid var(--hairline);
}
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(17px, 2vw, 19px);
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: var(--s-3) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
}
.faq-q .icon {
  flex: none;
  width: 26px; height: 26px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  display: grid; place-items: center;
  position: relative;
  transition: border-color var(--micro) var(--ease), background var(--micro) var(--ease);
}
.faq-q .icon::before, .faq-q .icon::after {
  content: ""; position: absolute;
  background: var(--accent-glow);
  transition: transform var(--micro) var(--ease), opacity var(--micro) var(--ease);
}
.faq-q .icon::before { width: 11px; height: 1.5px; }
.faq-q .icon::after { width: 1.5px; height: 11px; }
.faq-q:hover .icon { border-color: var(--accent); background: rgba(46,128,255,0.08); }
.faq-item.open .faq-q .icon::after { transform: scaleY(0); opacity: 0; }
.faq-a { overflow: hidden; }
/* Collapse only when JS is active (progressive enhancement: no JS -> answers stay open & readable) */
.js .faq-a { max-height: 0; transition: max-height var(--reveal) var(--ease); }
.faq-a-inner { padding: 0 0 var(--s-3); color: var(--muted); max-width: 72ch; font-size: 15.5px; }
.faq-a-inner a { color: var(--data); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Ansprechpartner + Kontakt ---------- */
.kontakt { position: relative; }
.kontakt-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: var(--s-6);
  align-items: start;
}
.contact-direct { display: flex; flex-direction: column; gap: var(--s-3); }
.contact-link {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-3);
  transition: border-color var(--micro) var(--ease), transform var(--micro) var(--ease);
}
.contact-link:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-link .ic {
  width: 46px; height: 46px; flex: none;
  border-radius: 11px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline);
  background: rgba(46, 128, 255, 0.07);
}
.contact-link .ic svg { width: 22px; height: 22px; color: var(--accent-glow); }
.contact-link .label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-2); }
.contact-link .value { font-family: var(--font-mono); font-size: 18px; color: var(--text); letter-spacing: 0.01em; }
.contact-hours { display: block; margin-top: 5px; font-family: var(--font-mono); font-size: 12.5px; color: var(--muted-2); letter-spacing: 0.02em; }

.partner {
  margin-top: var(--s-3);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: var(--s-3);
}
.partner-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--data); margin-bottom: 12px; }
.partner-row { display: flex; align-items: center; gap: 14px; padding: 10px 0; }
.partner-row + .partner-row { border-top: 1px solid var(--hairline-soft); }
.partner-avatar {
  width: 42px; height: 42px; flex: none;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--panel-3), var(--panel));
  border: 1px solid var(--hairline-strong);
  display: grid; place-items: center;
  color: var(--accent-glow);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
}
.partner-row .pn { font-weight: 600; color: var(--text); font-size: 15.5px; }
.partner-row .pr { color: var(--muted-2); font-size: 13px; font-family: var(--font-mono); }
.partner-promise { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--hairline-soft); color: var(--muted); font-size: 13.5px; display: flex; gap: 9px; align-items: flex-start; }
.partner-promise svg { width: 16px; height: 16px; color: var(--ok); flex: none; margin-top: 3px; }

/* Form */
.form-card {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
}
.form-row { margin-bottom: var(--s-3); }
.form-row.two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
label.field-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}
label.field-label .opt { color: var(--muted-2); text-transform: none; letter-spacing: 0; }
.input, .textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--hairline-strong);
  border-radius: 10px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  padding: 13px 15px;
  min-height: 50px;
  transition: border-color var(--micro) var(--ease), box-shadow var(--micro) var(--ease);
}
.textarea { min-height: 130px; resize: vertical; line-height: 1.6; }
.input::placeholder, .textarea::placeholder { color: var(--muted-2); }
select.input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237E8A99' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 42px;
  cursor: pointer;
}
select.input:invalid { color: var(--muted-2); }
.input:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 128, 255, 0.18);
}
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--danger); }

.field-error {
  display: none;
  margin-top: 7px;
  color: var(--danger-text);
  font-size: 12.5px;
  font-family: var(--font-mono);
  align-items: center;
  gap: 7px;
}
.field-error.show { display: flex; }
.field-error::before {
  content: "!";
  display: inline-grid;
  place-items: center;
  width: 15px; height: 15px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  flex: none;
}

.consent { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; margin-bottom: var(--s-3); }
.consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 22px; height: 22px;
  border: 1px solid var(--hairline-strong);
  border-radius: 6px;
  background: var(--bg-2);
  display: grid; place-items: center;
  cursor: pointer;
  margin-top: 2px;
  flex: none;
  transition: border-color var(--micro) var(--ease), background var(--micro) var(--ease);
}
.consent input[type="checkbox"]::after {
  content: "";
  width: 6px; height: 11px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform var(--micro) var(--ease);
  margin-top: -2px;
}
.consent input[type="checkbox"]:checked { background: var(--accent); border-color: var(--accent); }
.consent input[type="checkbox"]:checked::after { transform: rotate(45deg) scale(1); }
.consent input[type="checkbox"]:focus-visible { box-shadow: var(--ring); }
.consent label { font-size: 13.5px; color: var(--muted); line-height: 1.5; }
.consent label a { color: var(--data); text-decoration: underline; text-underline-offset: 3px; }

.form-note {
  margin-top: var(--s-2);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.02em;
}
.form-note svg { width: 15px; height: 15px; color: var(--ok); flex: none; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status { margin-top: var(--s-2); font-size: 14.5px; display: none; padding: 13px 16px; border-radius: 10px; }
.form-status.show { display: block; }
.form-status.ok { background: rgba(70, 211, 154, 0.1); border: 1px solid rgba(70, 211, 154, 0.3); color: #aef0d2; }
.form-status.err { background: rgba(224, 96, 122, 0.1); border: 1px solid rgba(224, 96, 122, 0.3); color: #f3b4c0; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--hairline);
  background: var(--bg-2);
  padding-block: var(--s-6) var(--s-4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: var(--s-5);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--hairline);
}
.footer-brand img { height: 36px; margin-bottom: var(--s-2); }
.footer-brand p { color: var(--muted); font-size: 14px; max-width: 34ch; margin: 0 0 var(--s-3); }
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: var(--s-2);
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { color: var(--muted); font-size: 14.5px; transition: color var(--micro) var(--ease); }
.footer-col ul a:hover { color: var(--text); }
.footer-col address { font-style: normal; color: var(--muted); font-size: 14.5px; line-height: 1.8; }
.footer-col address a { color: var(--muted); }
.footer-col address a:hover { color: var(--data); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-2);
  padding-top: var(--s-3);
}
.footer-bottom .copy { color: var(--muted-2); font-size: 13px; }
.footer-bottom .meta { display: flex; gap: var(--s-3); flex-wrap: wrap; }
.footer-bottom .meta span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-2);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-bottom .meta svg { width: 14px; height: 14px; color: var(--ok); }
.lang-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13.5px; }
.lang-link:hover { color: var(--text); }
.lang-link .flag { font-size: 15px; }

/* ---------- Mobile sticky CTA bar ---------- */
.mobile-cta {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 90;
  display: none;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(7, 9, 15, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--hairline);
}
.mobile-cta .btn { flex: 1; padding-inline: 12px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity var(--reveal) var(--ease), transform var(--reveal) var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Legal pages ---------- */
.legal { padding-top: calc(var(--header-h) + var(--announce-h, 0px) + 64px); padding-bottom: var(--s-7); }
.legal .container { max-width: 860px; }
.legal h1 { font-size: clamp(32px, 5vw, 48px); margin-bottom: var(--s-2); }
.legal .lead { color: var(--muted); margin-bottom: var(--s-5); }
.legal h2 { font-size: 24px; margin: var(--s-5) 0 var(--s-2); }
.legal h3 { font-size: 18px; margin: var(--s-3) 0 var(--s-1); font-family: var(--font-display); }
.legal p, .legal li { color: var(--muted); font-size: 15.5px; line-height: 1.75; }
.legal ul { list-style: disc; padding-left: 22px; margin: var(--s-2) 0; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--data); text-decoration: underline; text-underline-offset: 3px; }
.legal .ph {
  background: rgba(46, 128, 255, 0.1);
  border: 1px dashed rgba(46, 128, 255, 0.4);
  border-radius: 5px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--accent-glow);
}
.legal .note {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: var(--s-3);
  margin: var(--s-3) 0;
  font-size: 14px;
  color: var(--muted);
}
.legal .back { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 13px; color: var(--data); margin-bottom: var(--s-3); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .readout { max-width: 480px; }
  .branchen-grid { grid-template-columns: repeat(2, 1fr); }
  .warum-grid { grid-template-columns: repeat(2, 1fr); }
  .ablauf-grid { grid-template-columns: 1fr; }
  .ablauf-photo { min-height: 240px; }
  .kontakt-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-4); }
  .service, .service--wide { grid-column: span 3; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding-block: var(--s-6); }
  .nav, .header-phone { display: none; }
  .brand .brand-sub { display: none; }
  :root { --announce-h: 64px; }
  .announce-inner { align-items: flex-start; gap: 10px; padding-block: 10px; }
  .announce-tag { margin-top: 1px; }
  .announce-text { font-size: 12px; }
  .announce-extra { display: none; }
  .announce-close { width: 30px; height: 30px; }
  .menu-toggle {
    display: grid; place-items: center;
    width: 44px; height: 44px;
    border: 1px solid var(--hairline-strong);
    border-radius: 10px;
    background: rgba(255,255,255,0.02);
    color: var(--text);
  }
  .menu-toggle svg { width: 22px; height: 22px; }
  /* Hide the homepage primary CTA on mobile (covered by the sticky bar), but keep
     the legal pages' ghost "Startseite" button visible (they have no burger menu). */
  .header-actions .btn--primary { display: none; }
  .header-actions .btn--ghost { padding: 9px 14px; font-size: 13.5px; min-height: 40px; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: calc(var(--header-h) + var(--announce-h, 0px));
    left: 0; right: 0;
    background: rgba(7, 9, 15, 0.97);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--hairline);
    padding: var(--s-2);
    gap: 2px;
  }
  .nav.open a { padding: 14px; font-size: 15px; }
  .services-grid { grid-template-columns: 1fr; }
  .service, .service--wide { grid-column: span 1; }
  .branchen-grid { grid-template-columns: 1fr; }
  .warum-grid { grid-template-columns: 1fr; }
  .qual-grid { grid-template-columns: 1fr; }
  .qual-card.span-2 { grid-column: span 1; }
  .qual-photo-card { grid-template-columns: 1fr; }
  .form-row.two { grid-template-columns: 1fr; }
  .form-card { padding: var(--s-4) var(--s-3); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .mobile-cta { display: flex; }
  body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  .fristen { font-size: 13.5px; }
  .fristen thead th, .fristen tbody td { padding: 12px 14px; }
  .step-num { font-size: 22px; width: 44px; }
}

@media (max-width: 380px) {
  .container { padding-inline: 18px; }
  .hero h1 { font-size: 34px; }
}

/* Prüffristen table -> stacked cards on small screens (kein Abschneiden) */
@media (max-width: 560px) {
  .fristen thead { position: absolute; left: -9999px; }
  .fristen, .fristen tbody, .fristen tr, .fristen td { display: block; width: 100%; }
  .fristen tr { padding: 16px; border-bottom: 1px solid var(--hairline); }
  .fristen tbody tr:last-child { border-bottom: 0; }
  .fristen tbody tr:hover td { background: none; }
  .fristen td { padding: 4px 0; border: 0; }
  .fristen td:first-child { font-weight: 600; color: var(--text); margin-bottom: 8px; font-size: 15px; overflow-wrap: anywhere; hyphens: auto; }
  .fristen td.val { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
  .fristen td.val::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted-2);
  }
}

/* ============================================================
   LIGHT THEME — only colours change (tokens + a few hardcoded
   glass/shadow surfaces). Everything else stays identical.
   ============================================================ */
:root[data-theme="light"] {
  --bg: #F4F6FB;
  --bg-2: #E9EEF6;
  --panel: #FFFFFF;
  --panel-2: #F6F8FC;
  --panel-3: #EDF1F8;
  --accent: #1A66D6;
  --accent-glow: #2E80FF;
  --data: #0B6378;
  --ok: #1A8A5A;
  --danger: #C0344E;
  --danger-text: #B02A44;
  --text: #0E1726;
  --muted: #3E4C63;
  --muted-2: #586579;
  --hairline: rgba(10, 22, 40, 0.10);
  --hairline-soft: rgba(10, 22, 40, 0.06);
  --hairline-strong: rgba(10, 22, 40, 0.16);
  --grid-line: rgba(10, 22, 40, 0.085);
}
/* hardcoded glass surfaces re-tinted for light */
:root[data-theme="light"] .header.scrolled {
  background: rgba(244, 246, 251, 0.82);
}
:root[data-theme="light"] .nav.open { background: rgba(244, 246, 251, 0.97); }
:root[data-theme="light"] .mobile-cta { background: rgba(244, 246, 251, 0.92); }
:root[data-theme="light"] .readout { box-shadow: 0 20px 50px rgba(10, 22, 40, 0.12); }
:root[data-theme="light"] .hero-glow { opacity: 0.6; }
:root[data-theme="light"] .hero h1 .accent { background: linear-gradient(180deg, #2E80FF 0%, #1857C6 100%); -webkit-background-clip: text; background-clip: text; }
:root[data-theme="light"] .nav a:hover { background: rgba(10, 22, 40, 0.05); }
:root[data-theme="light"] .btn--ghost { background: rgba(10, 22, 40, 0.015); }
:root[data-theme="light"] .norm-chip { background: rgba(46, 128, 255, 0.07); border-color: rgba(46, 128, 255, 0.22); }
:root[data-theme="light"] ::selection { background: rgba(46, 128, 255, 0.22); color: #07203f; }
/* the metallic logo is built for dark; keep it on a small dark chip in light mode so it never washes out */
:root[data-theme="light"] .brand picture,
:root[data-theme="light"] .footer-brand picture {
  display: inline-flex;
  align-items: center;
  background: #0E141F;
  padding: 6px 11px;
  border-radius: 9px;
}

/* ---------- Theme toggle button ---------- */
.theme-toggle {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--hairline-strong);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  cursor: pointer;
  transition: color var(--micro) var(--ease), border-color var(--micro) var(--ease), background var(--micro) var(--ease);
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}