/* ============================================================
   ACKERPILOTEN — Design System
   Forest/Lime palette · Space Grotesk + Inter + JetBrains Mono
   Signature motif: converging field-row "flight lines"
   ============================================================ */

:root{
  --forest:      #1E3A22;
  --forest-800:  #24461f;
  --lime:        #8DBB2E;
  --lime-dim:    #e2edc9;
  --white:       #ffffff;
  --mist:        #f4f6f2;
  --anthracite:  #2b2e2e;
  --anthracite-60: rgba(43,46,46,.6);
  --line: rgba(30,58,34,.12);

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius: 2px;
  --container: 1240px;
  --ease: cubic-bezier(.16,.8,.24,1);
}

[data-theme="dark"]{
  --white: #12201a;
  --mist: #182a20;
  --anthracite: #eef1ec;
  --anthracite-60: rgba(238,241,236,.62);
  --line: rgba(238,241,236,.12);
  --forest-800: #0f1c12;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--anthracite);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  transition: background .3s var(--ease), color .3s var(--ease);
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; line-height:1.05; letter-spacing:-.01em; }
p{ margin:0; }
button{ font-family: inherit; cursor:pointer; }
input,select,textarea{ font-family: inherit; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

:focus-visible{ outline: 2px solid var(--lime); outline-offset: 3px; }

.wrap{ max-width: var(--container); margin:0 auto; padding: 0 32px; }
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; width:20px; height:1px; background: var(--lime); display:inline-block; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding: 15px 28px;
  font-size: 14px; font-weight:600;
  letter-spacing:.01em;
  border-radius: var(--radius);
  border:1px solid transparent;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn-primary{ background: var(--lime); color: var(--forest); }
.btn-primary:hover{ transform: translateY(-2px); background:#9fd038; }
.btn-ghost{ background:transparent; border-color: currentColor; color: inherit; }
.btn-ghost:hover{ transform: translateY(-2px); background: var(--anthracite); color: var(--white); border-color: var(--anthracite); }
.btn-outline-light{ border-color: rgba(255,255,255,.4); color:#fff; }
.btn-outline-light:hover{ transform: translateY(-2px); background:#fff; color: var(--forest); border-color:#fff; }
.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn svg{ width:16px; height:16px; }

/* ---------- Nav ---------- */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 100;
  display:flex; align-items:center; justify-content:space-between;
  padding: 18px 32px;
  background: rgba(30,58,34,0);
  transition: background .3s var(--ease), padding .3s var(--ease), backdrop-filter .3s var(--ease);
}
.nav.scrolled{
  background: rgba(30,58,34,.92);
  backdrop-filter: blur(10px);
  padding: 12px 32px;
  box-shadow: 0 1px 0 rgba(255,255,255,.06);
}
.nav-brand{ display:flex; align-items:center; gap:10px; }
.nav-brand img{ height:34px; width:auto; }
.nav-brand span{ display:none; }
.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-size: 14px; color:#fff; opacity:.85; position:relative;
  padding: 4px 0;
}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:-2px; height:1px; width:0;
  background: var(--lime); transition: width .25s var(--ease);
}
.nav-links a:hover{ opacity:1; }
.nav-links a:hover::after{ width:100%; }
.nav-actions{ display:flex; align-items:center; gap:14px; }
.nav-burger{ display:none; background:none; border:0; color:#fff; }

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 100svh;
  background: var(--forest);
  color: #fff;
  display:flex; align-items:flex-end;
  overflow:hidden;
  padding-bottom: 90px;
}
.hero-lines{ position:absolute; inset:0; width:100%; height:100%; }
.hero-logo{
  position:absolute; top:10%; left:50%; transform: translateX(-50%);
  width: min(320px, 34vw); z-index:1;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,.45));
  animation: hover 6s ease-in-out infinite;
}
@keyframes hover{ 0%,100%{ transform: translateX(-50%) translateY(0);} 50%{ transform: translateX(-50%) translateY(-16px);} }
.hero-logo-glow{
  position:absolute; top:8%; left:50%; transform: translateX(-50%);
  width: min(420px, 44vw); aspect-ratio:1; border-radius:50%;
  background: radial-gradient(circle, rgba(141,187,46,.35) 0%, rgba(141,187,46,0) 70%);
  z-index:0; pointer-events:none;
}
.hero-inner{ position:relative; z-index:2; width:100%; }
.hero h1{
  font-size: clamp(38px, 6vw, 76px);
  font-weight:600;
  max-width: 15ch;
}
.hero h1 em{ font-style:normal; color: var(--lime); }
.hero-sub{
  margin-top:22px; font-size: 18px; color: rgba(255,255,255,.78);
  max-width: 46ch; font-weight:300;
}
.hero-actions{ margin-top:38px; display:flex; gap:16px; flex-wrap:wrap; }
.hero-scroll{
  position:absolute; right:32px; bottom:32px; z-index:2;
  writing-mode: vertical-rl; font-family: var(--font-mono); font-size:11px;
  letter-spacing:.14em; color: rgba(255,255,255,.55); display:flex; align-items:center; gap:10px;
}
.hero-scroll::after{ content:""; width:1px; height:50px; background: rgba(255,255,255,.4); }

/* ---------- Ticker (signature strip) ---------- */
.ticker{
  background: var(--forest-800); color: var(--lime); overflow:hidden;
  border-top:1px solid rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.06);
}
.ticker-track{
  display:flex; gap:60px; white-space:nowrap; font-family: var(--font-mono);
  font-size:13px; padding: 14px 0; animation: scroll-left 32s linear infinite;
  width: max-content;
}
.ticker-track span{ opacity:.85; }
.ticker-track span b{ color:#fff; font-weight:600; }
@keyframes scroll-left{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ---------- Section basics ---------- */
section{ padding: 120px 0; position:relative; }
.section-head{ max-width: 640px; margin-bottom: 64px; }
.section-head h2{ font-size: clamp(28px,3.6vw,44px); margin-top:16px; font-weight:600; }
.section-head p{ margin-top:18px; color: var(--anthracite-60); font-size:17px; line-height:1.6; }

/* ---------- Services intro cards ---------- */
.svc-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:2px; background: var(--line); border:1px solid var(--line); }
.svc-card{ background: var(--white); padding:44px; transition: background .3s var(--ease); }
.svc-card:hover{ background: var(--mist); }
.svc-card .num{ font-family: var(--font-mono); font-size:12px; color: var(--lime); }
.svc-card h3{ font-size: 24px; margin-top:18px; }
.svc-card p{ margin-top:14px; color: var(--anthracite-60); line-height:1.6; font-size:15px; }
.svc-card a{ margin-top:20px; display:inline-flex; align-items:center; gap:8px; font-size:14px; font-weight:600; color: var(--forest); }
[data-theme="dark"] .svc-card a{ color: var(--lime); }

/* ---------- Service detail (alternating) ---------- */
.service-block{ padding: 100px 0; border-top:1px solid var(--line); }
.service-block .wrap{ display:grid; grid-template-columns: 1fr 1fr; gap:80px; align-items:center; }
.service-block.reverse .wrap{ direction: rtl; }
.service-block.reverse .wrap > *{ direction: ltr; }
.service-visual{ aspect-ratio: 4/5; background: var(--forest); border-radius: var(--radius); position:relative; overflow:hidden; }
.service-visual svg{ position:absolute; inset:0; width:100%; height:100%; }
.service-copy h3{ font-size: clamp(26px,3vw,36px); }
.service-copy > p{ margin-top:20px; color: var(--anthracite-60); font-size:16px; line-height:1.7; }
.feature-list{ margin-top:32px; display:grid; gap:18px; }
.feature-list li{ display:flex; gap:14px; align-items:flex-start; font-size:15px; }
.feature-list svg{ width:18px; height:18px; flex-shrink:0; margin-top:2px; color: var(--lime); }
.process-strip{ margin-top:36px; display:flex; gap:0; border-top:1px solid var(--line); }
.process-strip div{ flex:1; padding: 16px 18px 0; border-right:1px solid var(--line); }
.process-strip div:last-child{ border-right:none; }
.process-strip .step-n{ font-family: var(--font-mono); font-size:11px; color: var(--lime); }
.process-strip .step-t{ font-size:13px; margin-top:6px; font-weight:600; }
.service-copy .btn{ margin-top:36px; }

/* ---------- About ---------- */
.about{ background: var(--mist); }
.about .wrap{ display:grid; grid-template-columns: 1fr 1fr; gap:80px; align-items:start; }
.about-values{ display:grid; gap:0; border-top:1px solid var(--line); }
.about-values div{ padding: 22px 0; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:baseline; gap: 20px;}
.about-values .v-label{ font-family: var(--font-mono); font-size:12px; color: var(--lime); letter-spacing:.06em; }
.about-values .v-text{ font-size:15px; text-align:right; max-width: 60%; color: var(--anthracite-60); }

/* ---------- Contact ---------- */
.contact .wrap{ display:grid; grid-template-columns: 1fr 1fr; gap:80px; }
.contact-info{ display:flex; flex-direction:column; gap:28px; }
.contact-info .item{ border-top:1px solid var(--line); padding-top:18px; }
.contact-info .item span{ display:block; font-family: var(--font-mono); font-size:12px; color: var(--lime); margin-bottom:6px; }
.contact-info .item a, .contact-info .item p{ font-size:17px; }
.map-frame{ margin-top:24px; aspect-ratio:16/10; background: var(--forest); border-radius: var(--radius); display:flex; align-items:center; justify-content:center; color: rgba(255,255,255,.4); font-family: var(--font-mono); font-size:12px; letter-spacing:.08em;}
.contact-form{ margin-top:96px; }

.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:20px; }
.form-grid .full{ grid-column: 1/-1; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:12px; font-family: var(--font-mono); color: var(--anthracite-60); letter-spacing:.04em; }
.field input, .field select, .field textarea{
  border:none; border-bottom: 1px solid var(--line); background:transparent;
  padding: 10px 2px; font-size:15px; color: var(--anthracite);
  transition: border-color .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color: var(--lime); }
.field textarea{ resize: vertical; min-height:90px; }
.checkbox-row{ display:flex; align-items:flex-start; gap:10px; font-size:13px; color: var(--anthracite-60); }
.checkbox-row input{ margin-top:3px; }
.form-note{ font-size:12px; color: var(--anthracite-60); margin-top:16px; font-family: var(--font-mono); }

/* ---------- Footer ---------- */
footer{ background: var(--forest); color: rgba(255,255,255,.7); padding: 70px 0 30px; }
.footer-top{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid rgba(255,255,255,.12); }
.footer-brand img{ height:38px; margin-bottom:16px; }
.footer-brand p{ font-size:14px; max-width:32ch; color:rgba(255,255,255,.55); }
.footer-col h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; color: var(--lime); font-weight:500; margin-bottom:18px; text-transform:uppercase;}
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a{ font-size:14px; color: rgba(255,255,255,.72); }
.footer-col a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:26px; font-size:12px; color: rgba(255,255,255,.4); font-family: var(--font-mono); flex-wrap:wrap; gap:10px;}

/* ---------- Theme toggle ---------- */
.theme-toggle{
  width:38px; height:38px; border-radius:50%; border:1px solid rgba(255,255,255,.3);
  background:transparent; color:#fff; display:flex; align-items:center; justify-content:center;
}
.theme-toggle svg{ width:16px; height:16px; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .svc-grid{ grid-template-columns:1fr; }
  .service-block .wrap, .about .wrap, .contact .wrap{ grid-template-columns:1fr; gap:40px; }
  .contact-form{ margin-top:0; }
  .service-block.reverse .wrap{ direction:ltr; }
  .footer-top{ grid-template-columns:1fr 1fr; }
  .form-grid{ grid-template-columns:1fr; }
}
@media (max-width: 760px){
  .nav-links{ position:fixed; inset:0 0 0 auto; width:78%; height:100svh; background: var(--forest); flex-direction:column; justify-content:center; gap:28px; transform:translateX(100%); transition: transform .35s var(--ease); }
  .nav-links.open{ transform:translateX(0); }
  .nav-burger{ display:block; }
  section{ padding: 80px 0; }
  .footer-top{ grid-template-columns:1fr; }
  .process-strip{ flex-wrap:wrap; }
  .process-strip div{ flex: 1 1 45%; border-right:none; padding-bottom:12px;}
}