/* BNE IT AG — Inference (edel Schwarz/Weiss) */
:root {
  --ink: #0a0a0a;
  --paper: #f4f4f2;
  --white: #ffffff;
  --mute: #6e6e6e;
  --line: rgba(255,255,255,0.12);
  --line-d: rgba(0,0,0,0.1);
  /* Logo wordmark ≈ Montserrat — brand face sitewide */
  --font-d: "Montserrat", system-ui, sans-serif;
  --font-b: "Montserrat", system-ui, sans-serif;
  --font-m: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 1180px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--ink);
  color: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
  font-size: 17px;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }

/* NAV */
.inf-nav {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20;
  padding: 26px 0;
}
.inf-nav__row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.inf-nav img { height: 44px; width: auto; }
.inf-nav__links { display: flex; align-items: center; gap: 6px; }
.inf-nav__links a:not(.inf-btn) {
  font-size: 0.9rem; font-weight: 500; padding: 9px 14px;
  color: rgba(255,255,255,0.62); border-radius: 999px; transition: color .2s, background .2s;
}
.inf-nav__links a:not(.inf-btn):hover { color: #fff; background: rgba(255,255,255,0.06); }

.inf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-b); font-weight: 600; font-size: 0.95rem;
  padding: 13px 24px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .25s cubic-bezier(.22,.61,.36,1), background .2s, color .2s, border-color .2s;
}
.inf-btn--white { background: #fff; color: #0a0a0a; }
.inf-btn--white:hover { transform: translateY(-2px); }
.inf-btn--ghost {
  background: transparent; color: #fff; border-color: rgba(255,255,255,0.28);
}
.inf-btn--ghost:hover { border-color: #fff; transform: translateY(-2px); }
.inf-btn--dark { background: #0a0a0a; color: #fff; }
.inf-btn--dark:hover { transform: translateY(-2px); }
.inf-btn--ghost-dark {
  background: transparent; color: #0a0a0a; border-color: rgba(0,0,0,0.2);
}
.inf-btn--ghost-dark:hover { border-color: #0a0a0a; }
.inf-btn--lg { padding: 16px 30px; font-size: 1.02rem; }

/* HERO */
.inf-hero {
  position: relative; min-height: 100vh; isolation: isolate;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 140px 0 72px; overflow: hidden;
}
.inf-hero__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0;
  pointer-events: none;
}
.inf-hero__veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(105deg, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.72) 38%, rgba(10,10,10,0.35) 68%, rgba(10,10,10,0.55) 100%),
    linear-gradient(180deg, rgba(10,10,10,0.2) 0%, transparent 35%, rgba(10,10,10,0.85) 100%);
}
.inf-hero > .wrap {
  position: relative;
  z-index: 2;
  width: 100%;
}
.inf-hero__inner { position: relative; z-index: 2; max-width: 640px; }
.inf-brand {
  font-family: var(--font-d); font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 500; letter-spacing: 0.02em; margin-bottom: 28px;
  color: #fff;
}
.inf-hero h1 {
  font-family: var(--font-d); font-weight: 600; font-style: normal;
  font-size: clamp(1.85rem, 4vw, 3.3rem); line-height: 1.15;
  letter-spacing: -0.02em; margin-bottom: 14px; max-width: 18ch;
}
.inf-hero__lead {
  font-size: clamp(0.98rem, 1.3vw, 1.08rem); color: rgba(255,255,255,0.62);
  max-width: 42ch; margin-bottom: 28px; font-weight: 400;
  line-height: 1.55;
}
.inf-actions {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px;
  position: relative; z-index: 3;
}
.inf-hero__foot {
  display: flex; flex-wrap: wrap; gap: 32px;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.12);
}
.inf-hero__foot strong { display: block; font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.inf-hero__foot span { font-size: 0.8rem; color: rgba(255,255,255,0.45); }

/* SECTIONS light */
.inf-section { padding: 100px 0; background: var(--paper); color: var(--ink); }
.inf-section--ink { background: var(--ink); color: var(--white); }
.inf-section--tight { padding: 72px 0; }
.inf-eyebrow {
  font-family: var(--font-m); font-size: 0.72rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--mute); margin-bottom: 18px;
}
.inf-section--ink .inf-eyebrow { color: rgba(255,255,255,0.4); }
.inf-h2 {
  font-family: var(--font-d); font-weight: 500; font-style: normal;
  font-size: clamp(1.85rem, 3.4vw, 2.75rem); line-height: 1.12;
  letter-spacing: -0.03em; margin-bottom: 18px; max-width: 22ch;
}
.inf-lead { font-size: 1.1rem; color: var(--mute); max-width: 42ch; line-height: 1.55; }
.inf-lead--wide { max-width: 62ch; }
.inf-section--ink .inf-lead { color: rgba(255,255,255,0.55); }

/* Contrast block (Heute / Mit uns) */
.inf-contrast {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: 48px;
  background: var(--line-d);
  border: 1px solid var(--line-d);
}
.inf-contrast__col {
  background: var(--paper);
  padding: 36px 32px;
}
.inf-contrast__col--on {
  background: #111;
  color: #fff;
}
.inf-contrast__label {
  font-family: var(--font-m);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 20px;
}
.inf-contrast__col--on .inf-contrast__label { color: rgba(255,255,255,0.4); }
.inf-contrast ul {
  list-style: none;
  display: grid;
  gap: 14px;
}
.inf-contrast li {
  position: relative;
  padding-left: 18px;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--ink);
}
.inf-contrast li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(0,0,0,0.25);
}
.inf-contrast__col--on li { color: rgba(255,255,255,0.78); }
.inf-contrast__col--on li::before { background: rgba(255,255,255,0.55); }

/* Deep service blocks */
.inf-deep {
  margin-top: 56px;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.inf-deep__item {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.inf-deep__n {
  font-family: var(--font-m);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
  padding-top: 8px;
}
.inf-deep__item h3 {
  font-family: var(--font-d);
  font-style: normal;
  font-weight: 600;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}
.inf-deep__item p {
  color: rgba(255,255,255,0.55);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 62ch;
  margin-bottom: 14px;
}
.inf-deep__out {
  color: rgba(255,255,255,0.88) !important;
  margin-bottom: 0 !important;
}
.inf-deep__out strong { font-weight: 600; }

/* Trust row */
.inf-trust {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.inf-trust strong {
  display: block;
  font-size: 1.02rem;
  margin-bottom: 8px;
  font-weight: 600;
}
.inf-trust span {
  font-size: 0.92rem;
  color: var(--mute);
  line-height: 1.45;
}

.inf-aside-title {
  font-family: var(--font-m);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 14px;
}
.inf-ticks {
  list-style: none;
  display: grid;
  gap: 10px;
}
.inf-ticks li {
  position: relative;
  padding-left: 22px;
  font-size: 1rem;
  line-height: 1.45;
  color: var(--ink);
}
.inf-ticks li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--mute);
}
.inf-ticks--mute li { color: var(--mute); }

.inf-split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.inf-list { list-style: none; margin-top: 28px; display: grid; gap: 0; }
.inf-list li {
  display: grid; grid-template-columns: 48px 1fr; gap: 16px;
  padding: 20px 0; border-top: 1px solid var(--line-d);
}
.inf-section--ink .inf-list li { border-color: rgba(255,255,255,0.1); }
.inf-list__n {
  font-family: var(--font-m); font-size: 0.78rem; color: var(--mute); padding-top: 4px;
}
.inf-list strong { display: block; font-size: 1.05rem; margin-bottom: 4px; font-weight: 600; }
.inf-list span { color: var(--mute); font-size: 0.95rem; }
.inf-section--ink .inf-list span { color: rgba(255,255,255,0.5); }

.inf-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-d); margin-top: 48px; border: 1px solid var(--line-d); }
.inf-section--ink .inf-grid3 { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.1); }
.inf-card {
  background: var(--paper); padding: 36px 28px; min-height: 200px;
}
.inf-section--ink .inf-card { background: #111; }
.inf-card h3 {
  font-family: var(--font-d); font-style: normal; font-weight: 600;
  font-size: 1.25rem; letter-spacing: -0.02em; margin-bottom: 12px;
}
.inf-card p { color: var(--mute); font-size: 0.98rem; }
.inf-section--ink .inf-card p { color: rgba(255,255,255,0.5); }

.inf-cta {
  text-align: center; padding: 100px 24px;
  background: var(--ink); color: #fff;
}
.inf-cta h2 {
  font-family: var(--font-d); font-style: normal; font-weight: 500;
  font-size: clamp(1.9rem, 3.8vw, 2.8rem); letter-spacing: -0.03em; margin-bottom: 16px;
}
.inf-cta p { color: rgba(255,255,255,0.5); max-width: 40ch; margin: 0 auto 32px; }
.inf-cta .inf-actions { justify-content: center; }

.inf-foot {
  padding: 40px 0; background: #000; color: rgba(255,255,255,0.4); font-size: 0.85rem;
}
.inf-foot__row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.inf-foot a:hover { color: #fff; }

.inf-back {
  position: fixed; bottom: 20px; left: 20px; z-index: 30;
  font-size: 0.78rem; font-weight: 600; padding: 8px 14px; border-radius: 999px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.7); backdrop-filter: blur(10px);
}
.inf-back:hover { color: #fff; }

/* Inner pages (Kontakt, Danke) */
.inf-nav--solid {
  position: relative;
  background: var(--ink);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.inf-page {
  background: var(--paper);
  color: var(--ink);
  padding: 48px 0 100px;
  min-height: 70vh;
}
.inf-page--center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 160px);
}
.inf-page__h {
  font-family: var(--font-d);
  font-weight: 500;
  font-style: normal;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
  max-width: 18ch;
}
.inf-page--center .inf-page__h { max-width: none; margin-inline: auto; }

.inf-contact {
  display: grid;
  grid-template-columns: 1.4fr 0.85fr;
  gap: 56px;
  align-items: start;
}
.inf-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.inf-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--mute);
}
.inf-field input,
.inf-field select,
.inf-field textarea {
  font-family: var(--font-b);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(0,0,0,0.14);
  border-radius: 10px;
  padding: 14px 16px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.inf-field textarea { resize: vertical; min-height: 140px; }
.inf-field input:focus,
.inf-field select:focus,
.inf-field textarea:focus {
  border-color: #0a0a0a;
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.inf-form__err {
  background: #1a1a1a;
  color: #fff;
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.inf-form__note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--mute);
  line-height: 1.5;
}
.inf-form__note a { text-decoration: underline; text-underline-offset: 2px; }
.honey { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.inf-contact__side {
  padding: 32px 28px;
  background: var(--ink);
  color: #fff;
  border-radius: 16px;
}
.inf-contact__side h3 {
  font-family: var(--font-d);
  font-style: normal;
  font-weight: 600;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.inf-contact__side > p {
  color: rgba(255,255,255,0.5);
  font-size: 0.95rem;
  margin-bottom: 28px;
}
.inf-contact__dl { display: grid; gap: 18px; }
.inf-contact__dl div { display: grid; gap: 2px; }
.inf-contact__dl dt {
  font-family: var(--font-m);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
}
.inf-contact__dl dd { font-weight: 600; font-size: 0.98rem; }
.inf-contact__dl a:hover { opacity: 0.8; }

.inf-lang {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  margin-inline: 4px 8px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.04);
}
.inf-nav--solid .inf-lang {
  border-color: rgba(255,255,255,0.18);
}
.inf-lang a {
  font-family: var(--font-m) !important;
  font-size: 0.68rem !important;
  font-weight: 500 !important;
  letter-spacing: 0.08em;
  padding: 6px 10px !important;
  border-radius: 999px !important;
  color: rgba(255,255,255,0.45) !important;
}
.inf-lang a.is-active,
.inf-lang a:hover {
  color: #fff !important;
  background: rgba(255,255,255,0.12) !important;
}

@media (max-width: 900px) {
  .inf-split, .inf-grid3, .inf-contact, .inf-form__row,
  .inf-contrast, .inf-trust { grid-template-columns: 1fr; }
  .inf-deep__item { grid-template-columns: 48px 1fr; gap: 16px; }
  .inf-nav__links a:not(.inf-btn):not(.inf-lang a) { display: none; }
  .inf-lang { display: inline-flex; }
  .inf-hero { padding-top: 120px; }
}