/* ==========================================================================
   AgriPlaner — Design System
   Dachmarke: Loden-Grün (Betrieb/Feld). Sub-Akzent GPS: Petrol (Ortung/Signal).
   ========================================================================== */

:root {
  /* ---- Brand ---- */
  --brand-900: #24391B;   /* dunkelstes AgriPlaner-Grün (aus Logo), Footer/Dark-Sections */
  --brand-700: #4B782F;   /* AgriPlaner-Grün (exakt aus Logo gesampelt), Buttons/Links/Headlines-Akzent */
  --brand-500: #7CA34C;   /* mittleres Logo-Grün, sekundäre Akzente */
  --brand-200: #CFE2AE;   /* helles Logo-Grün, Chips/Badges — bewusst kräftiger für Kontrast */
  --brand-100: #E9F1DC;   /* sehr helles Logo-Grün, Section-Backgrounds */

  /* ---- GPS Sub-Akzent (Ortung/Telemetrie) ---- */
  --gps-700: #1B4E5C;
  --gps-500: #2C7186;
  --gps-200: #D7E7EA;
  --gps-100: #EEF5F6;

  /* ---- Neutrals: warmes, technisches Off-White + grün-stichiges Ink ---- */
  --paper:    #F7F6F1;
  --surface:  #FFFFFF;
  --border:   #E4E1D6;
  --ink:      #1A2116;
  --ink-soft: #55604C;
  --ink-faint:#8B9382;

  /* ---- Semantik ---- */
  --danger: #B3432B;
  --warn:   #C08A2E;

  /* ---- Typografie ---- */
  --font-display: 'Archivo', 'Arial Narrow', sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;

  /* ---- Radius / Schatten ---- */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(26,33,22,.06), 0 1px 1px rgba(26,33,22,.04);
  --shadow-md: 0 8px 24px -8px rgba(26,33,22,.18);
  --shadow-lg: 0 24px 60px -16px rgba(26,33,22,.28);

  /* ---- Spacing-Skala ---- */
  --sp-1: .5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2.5rem;
  --sp-5: 4rem;
  --sp-6: 6.5rem;

  --container: 1180px;
  color-scheme: light;
}

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.08; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; color: inherit; }

.container { max-width: var(--container); margin-inline: auto; padding-inline: var(--sp-3); }
@media (max-width: 640px) { .container { padding-inline: var(--sp-2); } }

section { padding-block: var(--sp-6); }
@media (max-width: 900px) { section { padding-block: var(--sp-5); } }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-display); font-weight: 700; font-size: .8rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--brand-700);
}
.eyebrow.gps { color: var(--gps-700); }
.eyebrow::before { content: ''; width: 22px; height: 2px; background: currentColor; border-radius: 2px; }

h1 { font-size: clamp(2.4rem, 3.2vw + 1.2rem, 4.2rem); }
h2 { font-size: clamp(1.9rem, 1.8vw + 1.2rem, 2.7rem); }
h3 { font-size: clamp(1.25rem, .6vw + 1rem, 1.5rem); }
.lede { font-size: clamp(1.05rem, .4vw + 1rem, 1.25rem); color: var(--ink-soft); line-height: 1.55; max-width: 60ch; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--font-body); font-weight: 700; font-size: .98rem;
  padding: .9em 1.5em; border-radius: var(--r-sm); border: none;
  cursor: pointer; text-decoration: none; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, filter .15s ease;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2.5px solid var(--brand-700); outline-offset: 2px; }
.btn-primary { background: linear-gradient(135deg, var(--brand-900), var(--brand-500)); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { filter: brightness(1.08); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--border); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--ink); }
.btn-login { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--border); }
.btn-login:hover { box-shadow: inset 0 0 0 1.5px var(--ink); background: var(--surface); }
.nav-link-login { display: none; }
.btn-on-dark { background: #fff; color: var(--brand-900); }
.btn-on-dark:hover { background: var(--brand-200); transform: translateY(-1px); }
.btn-gps { background: var(--gps-700); color: #fff; box-shadow: var(--shadow-sm); }
.btn-gps:hover { background: #123640; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-lg { padding: 1.05em 1.9em; font-size: 1.05rem; }
.btn-sm { padding: .6em 1.1em; font-size: .88rem; }

/* ---- Nav ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(247,246,241,.86); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: var(--sp-3); }
.brand-logo { display: flex; align-items: center; gap: .55em; font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-logo .mark { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; display: block; object-fit: contain; }
.site-footer .brand-logo .mark { border-radius: 8px; }
.nav-links { display: flex; align-items: center; gap: var(--sp-4); }
.nav-links a { text-decoration: none; font-weight: 600; font-size: .95rem; color: var(--ink-soft); padding: .3em 0; border-bottom: 2px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--brand-700); }
.nav-actions { display: flex; align-items: center; gap: var(--sp-2); }
.nav-toggle { display: none; }

@media (max-width: 880px) {
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; height: calc(100vh - 76px); background: var(--paper); flex-direction: column; align-items: stretch;
    padding: var(--sp-3); gap: 0; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; overflow-y: auto; }
  .nav-links a { padding: 1em .25em; border-bottom: 1px solid var(--border); font-size: 1.05rem; }
  body.nav-open .nav-links { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; border-radius: 10px; border: 1.5px solid var(--border); background: var(--surface); color: var(--ink); cursor: pointer; flex-shrink: 0; }
  .nav-toggle svg { width: 20px; height: 20px; }
  .nav-actions .btn-ghost { display: none; }
  .nav-actions .btn-login { display: none; }
  .nav-link-login { display: block; }
}
@media (max-width: 400px) {
  .site-header .container { gap: var(--sp-1); }
  .nav-actions { gap: .4rem; }
  .brand-logo { font-size: 1.05rem; gap: .4em; }
  .nav-actions .btn-primary.btn-sm { padding: .8em 1em; font-size: .9rem; }
}

/* ---- Footer ---- */
.site-footer { background: var(--brand-900); color: #EAF0E3; padding-block: var(--sp-5) var(--sp-3); }
.site-footer a { text-decoration: none; color: #EAF0E3; opacity: .85; }
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--sp-4); padding-bottom: var(--sp-4); border-bottom: 1px solid rgba(255,255,255,.14); }
.footer-grid h4 { font-family: var(--font-body); font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 700; opacity: .6; margin-bottom: 1em; }
.footer-grid ul { display: flex; flex-direction: column; gap: .65em; font-size: .95rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--sp-3); font-size: .85rem; opacity: .65; flex-wrap: wrap; gap: 1em; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---- Cards ---- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

/* ---- Reveal-on-scroll: Inhalt ist standardmäßig sichtbar (kein JS nötig).
   Erst wenn JS läuft und IntersectionObserver unterstützt wird, aktiviert
   main.js die Klasse .js-reveal-ready und blendet dezent ein. ---- */
.reveal { opacity: 1; transform: none; }
.js-reveal-ready .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js-reveal-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .js-reveal-ready .reveal { opacity: 1; transform: none; } }

/* ---- Placeholder-Kennzeichnung (echte Inhalte fehlen noch) ---- */
.tbd { position: relative; }
.tbd::after {
  content: 'Platzhalter — echten Inhalt ergänzen';
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: repeating-linear-gradient(135deg, rgba(176,67,43,.06), rgba(176,67,43,.06) 10px, rgba(176,67,43,.1) 10px, rgba(176,67,43,.1) 20px);
  border: 1.5px dashed var(--danger); border-radius: inherit;
  font-size: .78rem; font-weight: 700; color: var(--danger); text-align: center; padding: 1em;
  pointer-events: none;
}

/* ---- Cookie-Banner ---- */
.cookie-banner {
  position: fixed; left: var(--sp-2); right: var(--sp-2); bottom: var(--sp-2); z-index: 300;
  max-width: 760px; margin-inline: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); padding: 1.2rem 1.4rem;
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.cookie-banner-text { flex: 1 1 320px; font-size: .88rem; color: var(--ink-soft); margin: 0; }
.cookie-banner-text a { color: var(--brand-700); font-weight: 600; }
.cookie-banner-actions { display: flex; gap: .6rem; flex-shrink: 0; }
@media (max-width: 560px) {
  .cookie-banner { flex-direction: column; align-items: stretch; }
  .cookie-banner-text { flex: none; }
  .cookie-banner-actions { justify-content: stretch; }
  .cookie-banner-actions .btn { flex: 1; }
}

/* ---- Utility ---- */
.text-center { text-align: center; }
.stack { display: flex; flex-direction: column; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--brand-900); color: #fff; padding: 1em 1.4em; z-index: 200; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }