/* ==========================================================================
   AVW Energiewende – Zweite Website
   Überarbeitete Version: dunkles Grün + Lime, klare Karten, wenig Ballast.
   ========================================================================== */

/* ---------- Basis ---------- */
:root {
  --green-950: #07150f;
  --green-900: #0a2017;
  --green-800: #0e2b1f;
  --green-700: #0f3d2c;
  --emerald-600: #0e7a5f;
  --emerald-500: #10b981;
  --lime-400: #bef264;
  --lime-300: #d9f99d;
  --text: #e7f5ef;
  --text-dim: #a8c6b8;
  --white: #ffffff;
  --radius: 16px;
  --radius-lg: 22px;
  --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.28);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--green-950);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--lime-400); color: var(--green-950); }

img { max-width: 100%; display: block; }
a { color: var(--lime-300); text-decoration: none; }
a:hover { color: var(--white); }
:focus-visible { outline: 2px solid var(--lime-400); outline-offset: 2px; }

.container { width: min(1140px, 92vw); margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  border: 0;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--emerald-500), var(--emerald-600));
  color: var(--white);
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { color: var(--white); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(16,185,129,.4); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,.25);
}
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,.5); }
.btn-cta { padding: 10px 18px; font-size: .9rem; }
.btn-block { width: 100%; margin-top: 10px; }

/* ---------- Kopfzeile ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(7, 21, 15, 0.82);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--white); }
.brand img {
  width: 48px; height: 48px; border-radius: 14px;
  object-fit: cover; box-shadow: 0 6px 18px rgba(0,0,0,.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 1.05rem; letter-spacing: .01em; }
.brand-text small { font-size: .72rem; color: var(--lime-300); text-transform: uppercase; letter-spacing: .14em; }

.nav { display: flex; align-items: center; gap: 6px; }
.nav > a { color: var(--text-dim); font-weight: 600; font-size: .95rem; padding: 8px 12px; border-radius: 999px; transition: color .2s, background .2s; }
.nav > a:not(.btn):hover { color: var(--white); background: rgba(255,255,255,.06); }

.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.14); border-radius: 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--white); margin-inline: auto; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding: 90px 0 100px; }
.hero-glow {
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 400px at 80% -10%, rgba(16,185,129,.35), transparent 70%),
    radial-gradient(500px 300px at 10% 110%, rgba(190,242,100,.10), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--lime-300); font-weight: 700; font-size: .85rem;
  letter-spacing: .12em; text-transform: uppercase;
  margin-bottom: 18px;
}
.pulse-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--lime-400); position: relative; }
.pulse-dot::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: var(--lime-400); animation: pulse 1.8s ease-out infinite;
}
@keyframes pulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(3); opacity: 0; } }

.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.1; font-weight: 800; letter-spacing: -.02em; margin-bottom: 20px; }
.hero h1 em { font-style: normal; color: var(--lime-400); }
.lead { font-size: 1.12rem; color: var(--text-dim); max-width: 520px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }
.hero-points { list-style: none; display: grid; gap: 10px; }
.hero-points li { position: relative; padding-left: 28px; color: var(--text); font-weight: 500; }
.hero-points li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; background: rgba(190,242,100,.15); color: var(--lime-400); border-radius: 50%; font-size: .8rem; }

.hero-card { background: linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-lg); padding: 26px; box-shadow: 0 30px 60px rgba(0,0,0,.4); backdrop-filter: blur(8px); }
.browser-dots { display: flex; gap: 7px; margin-bottom: 22px; }
.browser-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.browser-dots span:first-child { background: #f87171; }
.browser-dots span:nth-child(2) { background: #fbbf24; }
.browser-dots span:nth-child(3) { background: #34d399; }

.stat-stat { margin-bottom: 14px; }
.stat-stat strong { font-size: 2.4rem; color: var(--lime-400); line-height: 1; display: block; }
.stat-stat small { color: var(--text-dim); font-size: .9rem; }
.stat-line { height: 10px; border-radius: 999px; background: rgba(255,255,255,.12); overflow: hidden; margin-bottom: 24px; }
.bar { height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--emerald-500), var(--lime-400)); }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.stat-row div { display: flex; flex-direction: column; }
.stat-row strong { font-size: 1.2rem; color: var(--white); }
.stat-row small { color: var(--text-dim); font-size: .78rem; }

/* ---------- Sektionen ---------- */
.section { padding: 88px 0; }
.section-dark { background: linear-gradient(180deg, var(--green-900), var(--green-950)); }

.label { color: var(--emerald-500); font-weight: 800; font-size: .8rem; letter-spacing: .18em; text-transform: uppercase; margin-bottom: 12px; }
.section h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); line-height: 1.2; font-weight: 800; letter-spacing: -.01em; margin-bottom: 44px; }

.grid { display: grid; gap: 22px; }
.cards { grid-template-columns: repeat(3, 1fr); }

.card {
  display: flex; flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(16,185,129,.4); box-shadow: 0 18px 40px rgba(0,0,0,.35); }
.card-icon { width: 52px; height: 52px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; background: rgba(16,185,129,.14); color: var(--lime-300); border-radius: 14px; margin-bottom: 18px; }
.card h3 { font-size: 1.12rem; margin-bottom: 10px; color: var(--white); }
.card p { color: var(--text-dim); font-size: .94rem; flex: 1; }
.card-link { margin-top: 16px; font-weight: 700; font-size: .9rem; }

/* Features */
.features { grid-template-columns: repeat(2, 1fr); }
.feature { display: grid; grid-template-columns: auto 1fr; column-gap: 20px; background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); padding: 26px; }
.feature-num { grid-row: span 2; color: var(--lime-400); font-size: 1.15rem; font-weight: 800; font-family: var(--font); }
.feature h3 { margin-bottom: 6px; color: var(--white); font-size: 1.05rem; }
.feature p { color: var(--text-dim); font-size: .92rem; }

/* Über uns */
.about-inner { display: grid; grid-template-columns: .95fr 1.05fr; gap: 56px; align-items: center; }
.about-visual {
  position: relative; border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(16,185,129,.2), rgba(190,242,100,.08));
  border: 1px solid rgba(255,255,255,.1);
  min-height: 320px;
}
.about-fact { position: absolute; right: -14px; bottom: 30px; background: var(--green-900); border: 1px solid rgba(190,242,100,.25); border-radius: var(--radius); padding: 18px 22px; display: flex; flex-direction: column; align-items: center; box-shadow: 0 20px 40px rgba(0,0,0,.4); }
.about-fact strong { color: var(--lime-400); font-size: 1.6rem; }
.about-fact span { color: var(--text-dim); font-size: .82rem; }

.about-text h2 { margin-bottom: 18px; }
.about-text p { color: var(--text-dim); margin-bottom: 16px; }
.check-list { list-style: none; margin: 20px 0 28px; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: flex; align-items: center; justify-content: center; background: rgba(190,242,100,.15); color: var(--lime-400); border-radius: 50%; font-size: .8rem; }
.signature { display: flex; flex-direction: column; }
.signature strong { color: var(--white); font-size: 1.05rem; }
.signature span { color: var(--text-dim); font-size: .88rem; }

/* ---------- Kontakt ---------- */
.section-contact { background: radial-gradient(600px 300px at 50% 0%, rgba(16,185,129,.12), transparent 70%), var(--green-950); }
.contact-sub { color: var(--text-dim); max-width: 520px; margin-bottom: 40px; }

.form { max-width: 720px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-size: .9rem; font-weight: 600; color: var(--text); }
.field input, .field select, .field textarea {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  color: var(--white);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: .95rem;
  font-family: inherit;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--emerald-500); box-shadow: 0 0 0 3px rgba(16,185,129,.2);
}
.field input.invalid, .field select.invalid, .field textarea.invalid { border-color: #f87171; }
.field select option { background: var(--green-900); }
textarea { resize: vertical; }

.privacy { display: flex; gap: 12px; align-items: flex-start; color: var(--text-dim); font-size: .9rem; margin: 6px 0 18px; cursor: pointer; }
.privacy input { accent-color: var(--emerald-500); margin-top: 4px; flex-shrink: 0; }
.privacy a { color: var(--lime-300); }

.honeypot { position: absolute; left: -9999px; height: 0; overflow: hidden; opacity: 0; }
.form-status { margin-top: 14px; font-weight: 600; min-height: 22px; }
.form-status.ok { color: var(--lime-400); }
.form-status.error { color: #fca5a5; }

/* ---------- Fußzeile ---------- */
.site-footer { background: var(--green-900); border-top: 1px solid rgba(255,255,255,.07); padding: 56px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.footer-brand img { border-radius: 12px; margin-bottom: 14px; }
.footer-brand p { color: var(--text-dim); font-size: .92rem; max-width: 300px; }
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-legal { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-legal a { color: var(--text-dim); font-weight: 500; }
.footer-nav a:hover, .footer-legal a:hover { color: var(--lime-300); }
.copyright { text-align: center; color: rgba(168,198,184,.55); font-size: .85rem; }

/* ---------- Einblend-Animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Responsiv ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-card { max-width: 460px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: var(--green-900);
    border-bottom: 1px solid rgba(255,255,255,.1);
    padding: 18px 16px 22px;
    transform-origin: top;
    transform: scaleY(0); opacity: 0;
    transition: transform .25s, opacity .25s;
  }
  .nav.open { transform: scaleY(1); opacity: 1; }
  .nav > a { padding: 13px 14px; text-align: center; }
  .cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 64px 0 72px; }
}