/* InfraField · infrafield.de · Stand 12.09.2026
   Farben und Schriften aus den Brand-Basics. Änderungen nur hier unter :root. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url("../fonts/Inter-Regular.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url("../fonts/Inter-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 700; font-display: swap; src: url("../fonts/Inter-Bold.woff2") format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 800; font-display: swap; src: url("../fonts/Inter-ExtraBold.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url("../fonts/JetBrainsMono-Medium.woff2") format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 700; font-display: swap; src: url("../fonts/JetBrainsMono-Bold.woff2") format("woff2"); }

:root {
  --grass: #14392B;
  --pitch: #14392B;
  --gold: #C9A659;
  --spark: #F0D283;
  --ivory: #F4EFE3;
  --paper: #FBF8F0;
  --onyx: #0A0908;
  --ink: #1B1A17;
  --muted: #6B6860;
  --line: #E3DDCC;
  --line-dark: rgba(244,239,227,0.14);
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --pad: clamp(20px, 6vw, 88px);
  --gutter: clamp(24px, 3vw, 48px);
  --section: clamp(80px, 10vw, 160px);
  --measure: 62ch;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ivory); color: var(--ink); font-family: var(--sans); font-size: clamp(17px, 1.15vw, 19px); line-height: 1.6; text-wrap: pretty; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, figure, blockquote, ul { margin: 0; }
ul { padding: 0; list-style: none; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--gold); color: var(--onyx); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* Typografie */
.eyebrow { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.26em; text-transform: uppercase; color: var(--gold); }
.num { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: 0.2em; color: var(--gold); }
.h2 { font-weight: 800; font-size: clamp(32px, 4.2vw, 60px); line-height: 1.04; letter-spacing: -0.028em; text-wrap: balance; }
.h3 { font-weight: 800; font-size: clamp(20px, 1.5vw, 24px); line-height: 1.2; letter-spacing: -0.015em; }
.lead { font-size: clamp(18px, 1.35vw, 22px); line-height: 1.5; }
.small { font-size: 15px; line-height: 1.55; color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; }
p { max-width: var(--measure); }

/* Buttons */
.button { display: inline-flex; align-items: center; gap: 12px; min-height: 54px; padding: 0 26px; background: var(--gold); color: var(--onyx); font-weight: 700; font-size: 16px; text-decoration: none; letter-spacing: 0.005em; transition: background .2s ease, transform .2s ease; }
.button:hover { background: var(--spark); }
.button:active { transform: translateY(1px); }
.button svg { width: 18px; height: 18px; }
.link { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }

/* Layout */
.section { padding: var(--section) var(--pad); }
.section.dark { background: var(--onyx); color: var(--ivory); }
.section.paper { background: var(--paper); }
.section.pitch { background: var(--pitch); color: var(--ivory); }
.frame { max-width: 1320px; margin: 0 auto; }
.head { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--gutter); align-items: start; margin-bottom: clamp(48px, 5vw, 80px); }
.head .num { padding-top: 0.9em; }
.head .h2 { max-width: 21ch; }
.head .lead { margin-top: 28px; max-width: 58ch; }
.grid { display: grid; gap: var(--gutter); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.offset { grid-column: 2; }
@media (max-width: 900px) {
  .head { grid-template-columns: 1fr; gap: 16px; }
  .g2, .g3, .g4 { grid-template-columns: 1fr; }
  .offset { grid-column: auto; }
}

/* Marke */
.lockup { display: block; height: 44px; width: auto; }
.lockup text { font-family: var(--sans); font-weight: 800; }
.lockup .claim { font-family: var(--mono); font-weight: 500; }
@media (max-width: 600px) { .lockup { height: 38px; } }
@media (prefers-reduced-motion: reduce) { animate, animateMotion { display: none; } .reveal { opacity: 1 !important; transform: none !important; } }

/* Navigation */
.nav { position: absolute; top: 0; left: 0; right: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: clamp(18px, 2vw, 28px) var(--pad); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 14px; font-weight: 600; color: var(--ivory); text-decoration: none; opacity: .85; }
.nav-links a:hover { opacity: 1; }
.nav-links .lang { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; opacity: .7; }
.nav-links .button { min-height: 44px; padding: 0 20px; font-size: 14px; }
.burger { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--line-dark); color: var(--ivory); cursor: pointer; align-items: center; justify-content: center; }
.burger svg { width: 22px; height: 22px; }
@media (max-width: 900px) {
  .nav-links { display: none; }
  .burger { display: inline-flex; }
  .nav.open .nav-links { display: flex; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 4px; padding: 8px var(--pad) 24px; background: var(--onyx); }
  .nav.open .nav-links a { font-size: 18px; padding: 10px 0; }
  .nav.open .nav-links .button { margin-top: 12px; }
}

/* Hero */
.hero { position: relative; min-height: min(100svh, 920px); background: var(--onyx); color: var(--ivory); display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; }
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 62%; opacity: .78; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,9,8,.6) 0%, rgba(10,9,8,.3) 45%, rgba(10,9,8,0) 75%), linear-gradient(180deg, rgba(10,9,8,.7) 0%, rgba(10,9,8,.2) 30%, rgba(10,9,8,.7) 62%, rgba(10,9,8,.95) 100%); }
.orbits { position: absolute; right: -8vw; top: 12vh; width: clamp(420px, 52vw, 860px); height: auto; opacity: .55; pointer-events: none; }
@media (max-width: 900px) { .orbits { right: -30vw; top: 8vh; width: 120vw; opacity: .35; } }
.hero-body { position: relative; z-index: 1; padding: 160px var(--pad) clamp(48px, 6vw, 96px); max-width: 1320px; margin: 0 auto; width: 100%; }
.hero-body > div { margin-left: calc(200px + var(--gutter)); }
.hero-body .eyebrow-m { display: none; margin-bottom: 22px; }
.hero h1 { font-weight: 800; font-size: clamp(40px, 5.4vw, 80px); line-height: .98; letter-spacing: -0.04em; text-wrap: balance; max-width: none; }
.hero .lead { margin-top: 28px; max-width: 60ch; color: rgba(244,239,227,.92); }
.hero-cta { margin-top: 36px; display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; }
.hero-cta .mono { color: var(--gold); }
.hero-foot { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 0 var(--pad) 28px; font-family: var(--mono); font-size: 11px; letter-spacing: .2em; color: rgba(244,239,227,.5); }
.hero-foot .eyebrow { font-size: 11px; }
@media (max-width: 900px) { .hero-body { padding-top: 120px; } .hero-body > div { margin-left: 0; } .hero-body .eyebrow-m { display: block; } .hero-foot { display: none; } }

/* Warum wir */
.proof { margin-top: clamp(56px, 6vw, 96px); padding-top: clamp(40px, 4vw, 64px); border-top: 1px solid var(--line-dark); display: grid; grid-template-columns: 200px minmax(0, 1fr) minmax(0, 1fr); gap: var(--gutter); align-items: start; }
.proof .big { font-weight: 800; font-size: clamp(30px, 3.4vw, 50px); line-height: 1.04; letter-spacing: -0.03em; color: var(--ivory); max-width: 12ch; }
.proof .big em { font-style: normal; color: var(--gold); }
.quote { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 24px; align-items: start; }
.quote img { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; }
.quote blockquote { font-weight: 800; font-size: clamp(20px, 1.6vw, 26px); line-height: 1.25; letter-spacing: -0.015em; }
.quote figcaption { margin-top: 14px; font-size: 14px; color: rgba(244,239,227,.65); }
.quote figcaption b { color: var(--ivory); font-weight: 600; display: block; }
@media (max-width: 900px) { .proof { grid-template-columns: 1fr; } .quote { grid-template-columns: 72px 1fr; } .quote img { width: 72px; height: 72px; } }

/* Schema */
.schema { margin-top: clamp(40px, 4vw, 64px); }
.schema svg { width: 100%; height: auto; display: block; }
.schema-m { display: none; }
@media (max-width: 700px) {
  .schema svg { display: none; }
  .schema-m { display: flex; flex-direction: column; gap: 14px; }
  .schema-m .lab { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; display: block; }
  .sm-top { background: var(--grass); color: var(--ivory); padding: 18px 20px 20px; }
  .sm-top .lab { color: var(--gold); margin-bottom: 12px; }
  .sm-top ul { display: flex; flex-direction: column; gap: 10px; }
  .sm-top li { display: flex; flex-direction: column; gap: 2px; padding-left: 16px; position: relative; }
  .sm-top li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
  .sm-top b { font-weight: 800; font-size: 17px; }
  .sm-top span { font-size: 13px; color: rgba(244,239,227,.75); }
  .sm-gew { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; padding: 0 0 0 20px; border-left: 1px solid var(--gold); }
  .sm-gew li { padding: 12px 10px; border: 1px solid var(--grass); font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--grass); text-align: center; }
  .sm-bot { padding: 16px 20px; border: 1px dashed var(--muted); display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
  .sm-bot .lab { color: var(--muted); }
}
.schema text { font-family: var(--sans); }
.schema .lab { font-family: var(--mono); letter-spacing: .12em; }
.satz { padding-top: 22px; border-top: 1px solid var(--ink); display: flex; flex-direction: column; gap: 10px; }
.satz .num { color: var(--grass); }
.satz .small { color: var(--muted); }
.saetze { margin-top: clamp(56px, 6vw, 96px); }

/* Nutzen */
.stat { display: flex; flex-direction: column; gap: 14px; padding-top: 22px; border-top: 1px solid var(--ink); }
.stat .fig { font-family: var(--mono); font-weight: 700; font-size: clamp(34px, 3.6vw, 52px); line-height: 1; letter-spacing: -0.03em; color: var(--grass); }
.stat .fig small { font-size: .42em; letter-spacing: 0; color: var(--gold); margin-left: .2em; }
.stat .cap { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.stat .h3 { margin-top: 6px; }
.pull { margin-top: clamp(56px, 6vw, 96px); display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--gutter); }
.pull p { font-weight: 800; font-size: clamp(22px, 2.2vw, 34px); line-height: 1.2; letter-spacing: -0.02em; color: var(--grass); max-width: 30ch; }
@media (max-width: 900px) { .pull { grid-template-columns: 1fr; } }

/* Einstieg */
.timeline { margin-top: clamp(40px, 4vw, 64px); }
.steps { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); counter-reset: s; }
.steps li { position: relative; padding-top: 34px; display: flex; flex-direction: column; gap: 8px; border-top: 1px solid var(--gold); }
.steps li::before { content: ""; position: absolute; left: 0; top: -7px; width: 12px; height: 12px; border-radius: 50%; background: var(--pitch); border: 2px solid var(--gold); }
.steps .lab { font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--gold); }
.steps b { font-weight: 800; font-size: clamp(20px, 1.5vw, 24px); letter-spacing: -0.015em; }
.steps p { font-size: 15px; line-height: 1.5; color: rgba(244,239,227,.7); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr; gap: 28px; } }
.cta-row { margin-top: clamp(40px, 4vw, 64px); display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--gutter); align-items: start; }
.cta-row .stack { display: flex; flex-direction: column; gap: 22px; }
.cta-row .meta { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; color: rgba(244,239,227,.55); }
.team { margin-top: clamp(56px, 6vw, 96px); padding-top: clamp(40px, 4vw, 64px); border-top: 1px solid var(--line-dark); display: grid; grid-template-columns: 200px repeat(3, minmax(0, 1fr)); gap: var(--gutter); align-items: start; }
.person { display: flex; flex-direction: column; gap: 14px; }
.person img { width: 88px; height: 88px; border-radius: 50%; object-fit: cover; }
.person b { font-weight: 700; font-size: 17px; }
.person span { font-size: 14px; color: rgba(244,239,227,.7); }
@media (max-width: 900px) { .cta-row, .team { grid-template-columns: 1fr; } }

/* Vertiefung */
.faq { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--gutter); }
.faq .list { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; display: grid; grid-template-columns: 56px minmax(0, 1fr) 24px; align-items: baseline; gap: 16px; padding: 22px 0; font-weight: 800; font-size: clamp(18px, 1.35vw, 22px); letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .num { color: var(--gold); }
.faq summary::after { content: "+"; font-family: var(--mono); color: var(--gold); text-align: right; }
.faq details[open] summary::after { content: "–"; }
.faq .a { padding: 0 0 26px 72px; display: flex; flex-direction: column; gap: 12px; }
.faq .a p { max-width: 70ch; }
@media (max-width: 900px) { .faq { grid-template-columns: 1fr; } .faq .a { padding-left: 0; } }

/* Footer */
.footer { background: var(--onyx); color: rgba(244,239,227,.7); padding: clamp(48px, 5vw, 80px) var(--pad) 40px; }
.footer .frame { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: end; }
.footer .lockup { height: 72px; }
.footer nav { display: flex; flex-wrap: wrap; gap: 8px 28px; font-size: 14px; }
.footer nav a { text-decoration: none; }
.footer nav a:hover { color: var(--ivory); }
.footer .mail { color: var(--gold); }
.footer .line { grid-column: 1 / -1; margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--line-dark); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 24px; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: rgba(244,239,227,.45); }
@media (max-width: 900px) { .footer .frame { grid-template-columns: 1fr; align-items: start; } }

/* Bilder in Abschnitten */
.photo { margin-top: clamp(56px, 6vw, 96px); display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: var(--gutter); align-items: start; }
.photo .num { padding-top: 6px; }
.photo img { display: block; width: 100%; height: auto; aspect-ratio: 21 / 9; object-fit: cover; object-position: center 45%; }
.duo { display: grid; grid-template-columns: 200px minmax(0, 1fr) minmax(0, 1fr); gap: var(--gutter); align-items: start; margin-bottom: clamp(56px, 6vw, 96px); }
.duo .num { padding-top: 6px; }
.duo figure { margin: 0; }
.duo img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; }
.duo figcaption { margin-top: 14px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; line-height: 1.6; color: rgba(244,239,227,.7); max-width: 40ch; }
@media (max-width: 900px) {
  .photo, .duo { grid-template-columns: 1fr; gap: 16px; }
  .photo img { aspect-ratio: 4 / 3; }
  .duo { gap: 28px; }
  .duo .num { grid-column: 1; }
}

/* Bildbänder */
.band { position: relative; min-height: clamp(460px, 72vh, 780px); display: flex; flex-direction: column; justify-content: flex-end; background: var(--onyx); color: var(--ivory); overflow: hidden; }
.band img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.band::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(10,9,8,.42) 0%, rgba(10,9,8,.18) 45%, rgba(10,9,8,0) 75%), linear-gradient(180deg, rgba(10,9,8,.06) 0%, rgba(10,9,8,0) 30%, rgba(10,9,8,.5) 62%, rgba(10,9,8,.9) 100%); }
.band-text { text-shadow: 0 2px 28px rgba(10,9,8,.55); }
.band-body { position: relative; z-index: 2; width: 100%; padding: clamp(48px, 6vw, 96px) var(--pad) clamp(44px, 5vw, 80px); }
.band-text { margin-left: calc(200px + var(--gutter)); max-width: 760px; }
.band .big { margin-top: 18px; font-weight: 800; font-size: clamp(30px, 3.8vw, 56px); line-height: 1.02; letter-spacing: -0.03em; text-wrap: balance; }
.band .small { margin-top: 20px; max-width: 52ch; color: rgba(244,239,227,.82); font-size: clamp(15px, 1.1vw, 17px); }
.band .hero-cta { margin-top: 32px; }
.band-band3 { min-height: clamp(520px, 80vh, 860px); }
.band-band3::before { background: linear-gradient(180deg, rgba(10,9,8,.25) 0%, rgba(10,9,8,.15) 35%, rgba(10,9,8,.62) 68%, rgba(10,9,8,.95) 100%); }
@media (max-width: 900px) {
  .band { min-height: clamp(420px, 78vh, 640px); }
  .band-text { margin-left: 0; }
  .band .big { font-size: clamp(28px, 7.6vw, 40px); }
}

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Rechtstexte */
.legal { padding: var(--section) var(--pad); }
.legal .frame { max-width: 820px; margin: 0; display: flex; flex-direction: column; gap: 18px; }
.legal h1 { font-weight: 800; font-size: clamp(32px, 3.6vw, 48px); letter-spacing: -0.025em; margin-bottom: 12px; }
.legal h2 { font-weight: 800; font-size: 20px; margin-top: 16px; }
.topbar { background: var(--onyx); padding: 20px var(--pad); }