:root {
  --bg: #141f2a;                 /* heller Grundton */
  --bg-soft: #1a2733;

  --surface: rgba(28, 45, 60, 0.82);         /* deutlich heller */
  --surface-strong: rgba(34, 52, 70, 0.94);

  --line: rgba(255, 255, 255, 0.14);         /* mehr sichtbare Trennung */
  --line-strong: rgba(232, 128, 48, 0.4);

  --text: #f8fbff;                          /* crisp white */
  --muted: #c2d2de;                         /* weniger grau, mehr lesbar */

  --accent: #e88030;
  --accent-soft: rgba(232, 128, 48, 0.16);

  --steel: #9fb8cc;

  --shadow: 0 30px 80px rgba(0, 0, 0, 0.28); /* weicher */
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Aptos", "Segoe UI", sans-serif;
  color: var(--text);
  background:
	  radial-gradient(circle at 20% 0%, rgba(159, 184, 204, 0.22), transparent 32%),
	  radial-gradient(circle at 90% 10%, rgba(232, 128, 48, 0.16), transparent 28%),
	  linear-gradient(180deg, #182430 0%, #1e2d3b 45%, #243544 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 92%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
h4 {
  margin: 0;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.section,
.header-inner,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(20, 30, 40, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 120px;
  height: 60px;
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;

  background:
    linear-gradient(135deg, rgba(232, 128, 48, 0.9), rgba(232, 128, 48, 0.2)),
    linear-gradient(180deg, rgba(142, 170, 192, 0.8), rgba(142, 170, 192, 0.1));

  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 10px 25px rgba(232,128,48,0.25);
}

.brand-mark img {
  max-width: 65%;
  max-height: 65%;
  object-fit: contain;

  filter: invert(1); /* wichtig bei dunklem Logo */
}

.brand-mark:hover {
  transform: scale(1.05);
  transition: all 0.25s ease;
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand-text strong {
  font-size: 1.15rem;
}

.brand-text strong,
h1,
h2,
h3,
h4,
.button {
  font-family: "Bahnschrift", "Arial Narrow", sans-serif;
  letter-spacing: 0.02em;
}

.brand-text strong {
  font-size: 1.08rem;
}

.brand-text span,
.site-nav,
.site-footer,
.hero-text,
.intro-copy p,
.intro-facts p,
.content-main p,
.section-divider p,
.parameter-copy p,
.labor-copy p,
.labor-services p,
.contact-copy p,
.contact-form label {
  color: var(--muted);
}

.brand-text span {
  font-size: 0.86rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.header-cta {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
  transition: all 0.25s ease;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-1px);
  background: rgba(232,128,48,0.12);
  border-color: rgba(232,128,48,0.4);
}

.button-primary {
  background: linear-gradient(135deg, #ffb36a, #e88030);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.button-wide {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: 42px;
  align-items: center;
  padding: 84px 0 50px;
}

.hero-copy {
  padding-right: 24px;
}

.eyebrow,
.aside-label {
  margin-bottom: 16px;
  color: #c6d4de;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
}

h1 {
  max-width: 10ch;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 0.94;
}

.hero-lead {
  max-width: 48ch;
  margin-top: 22px;
  font-size: 1.16rem;
  line-height: 1.7;
  color: #dce6ed;
}

.hero-text {
  max-width: 58ch;
  margin-top: 18px;
  font-size: 1rem;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-aside {
  display: flex;
  gap: 18px;
  align-items: stretch;
}

.aside-line {
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(232, 128, 48, 1), rgba(232, 128, 48, 0.14));
  box-shadow: 0 0 0 10px rgba(232, 128, 48, 0.08);
}

.aside-copy {
  padding: 22px 0 22px 10px;
}

.aside-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.aside-list li {
  position: relative;
  padding-left: 20px;
  line-height: 1.7;
  color: #d7e2ea;
}

.aside-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.section-band {
  padding: 36px 0 0;
}

.section-head {
  display: grid;
  gap: 12px;
  padding: 48px 0 26px;
}

.section-head h2,
.emphasis-layout h2 {
  max-width: 15ch;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.98;
}

.section-panel,
.section-divider,
.parameter-table,
.contact-shell {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.section-panel {
  background: linear-gradient(
    180deg,
    rgba(34, 52, 70, 0.95),
    rgba(26, 42, 58, 0.88)
  );
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.intro-layout,
.content-layout,
.parameter-layout,
.labor-layout,
.contact-shell,
.emphasis-layout {
  display: grid;
  gap: 28px;
  padding: 34px 36px;
}

.intro-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
}

.intro-copy,
.content-main,
.parameter-copy,
.labor-copy {
  display: grid;
  gap: 18px;
}

.intro-copy p,
.intro-facts p,
.content-main p,
.parameter-copy p,
.labor-copy p,
.section-divider p,
.labor-services p,
.contact-copy p,
.contact-form label,
.contact-form input,
.contact-form textarea {
  line-height: 1.8;
}

.intro-facts {
  align-self: start;
  padding-top: 4px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding-left: 24px;
}

.intro-facts p + p {
  margin-top: 12px;
}

.intro-facts strong,
.contact-copy h3,
.content-main h3,
.content-side h3,
.parameter-copy h3,
.parameter-table h4 {
  color: var(--text);
}

.content-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
}

.content-main h3,
.content-side h3,
.parameter-copy h3 {
  font-size: 1.7rem;
  margin-bottom: 4px;
}

.content-side {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.bullet-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: #d8e2ea;
}

.bullet-list li + li {
  margin-top: 10px;
}

.section-divider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 420px);
  gap: 28px;
  align-items: center;
  margin-top: 22px;
  padding: 28px 34px;
  border-radius: calc(var(--radius) - 4px);
}

.section-divider h3 {
  font-size: 1.55rem;
  line-height: 1.08;
}

.parameter-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  align-items: start;
}

.parameter-table {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-radius: 18px;
  overflow: hidden;
}

.table-column {
  padding: 24px;
  background: linear-gradient(180deg, rgba(12, 23, 34, 0.98), rgba(9, 18, 28, 0.96));
}

.table-column h4 {
  margin-bottom: 16px;
  font-size: 1.2rem;
}

.table-column p {
  color: #d5e0e8;
  line-height: 1.75;
}

.table-column p + p,
.labor-services p + p,
.contact-copy p + p {
  margin-top: 10px;
}

.labor-layout {
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
}

.labor-services {
  padding-left: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.emphasis-band {
  padding-top: 26px;
}

.emphasis-layout {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 400px);
  background:
    linear-gradient(135deg, rgba(232, 128, 48, 0.12), transparent 42%),
    var(--surface-strong);
  border-color: var(--line-strong);
}

.contact-shell {
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
}

.contact-copy {
  display: grid;
  align-content: start;
}

.contact-copy h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
}

input,
textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 14px 16px;
  font: inherit;
}

input::placeholder,
textarea::placeholder {
  color: #7f92a3;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(232, 128, 48, 0.28);
  border-color: rgba(232, 128, 48, 0.3);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 42px 0 56px;
  font-size: 0.92rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 560ms ease, transform 560ms ease;
}

[data-reveal].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .hero,
  .intro-layout,
  .content-layout,
  .parameter-layout,
  .labor-layout,
  .section-divider,
  .emphasis-layout,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .parameter-table {
    grid-template-columns: 1fr;
  }

  .content-side,
  .labor-services,
  .intro-facts {
    padding-left: 0;
    border-left: 0;
  }

  h1,
  .section-head h2,
  .emphasis-layout h2 {
    max-width: none;
  }
}

@media (max-width: 820px) {
  .header-inner {
    flex-wrap: wrap;
    justify-content: center;
  }

  .site-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px 18px;
  }

  .hero {
    padding-top: 58px;
  }

  .intro-layout,
  .content-layout,
  .parameter-layout,
  .labor-layout,
  .contact-shell,
  .emphasis-layout,
  .section-divider {
    padding: 26px;
  }
}

@media (max-width: 560px) {
  .section,
  .header-inner,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  h1 {
    font-size: clamp(2.4rem, 13vw, 3.7rem);
  }

  .hero-actions,
  .button,
  .header-cta {
    width: 100%;
  }
}