/* CamperAssist — Landingpage. Dunkles Design im Look der CamperOS-App.
   System-Fonts (kein externer Font-CDN → DSGVO), responsive, mobile-first. */

:root {
  --bg: #000000;
  --surface: rgba(255,255,255,.05);
  --surface2: rgba(255,255,255,.07);
  --stroke: rgba(255,255,255,.09);
  --txt: #f5f5f7;
  --txt2: rgba(245,245,247,.62);
  --txt3: rgba(245,245,247,.38);
  --acc: #30d158;
  --acc-dim: rgba(48,209,88,.14);
  --radius: 20px;
  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; max-width: 100%; overflow-x: hidden; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--txt);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  max-width: 100%;
  overflow-x: hidden;
}

/* Lange Wörter (CamperVan …) dürfen umbrechen; Grid/Flex-Kinder dürfen unter
   ihre min-content-Breite schrumpfen (sonst horizontaler Overflow auf Mobile). */
h1, h2, h3, p, li, a { overflow-wrap: break-word; }
.hero > *, .split > *, .card, .section, .grid > * { min-width: 0; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.accent { color: var(--acc); }
.center { text-align: center; }
.narrow { max-width: 46rem; margin-left: auto; margin-right: auto; }

.eyebrow {
  font-size: .8rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--acc); margin-bottom: .7rem;
}
.eyebrow.center { text-align: center; }

h1 { font-size: clamp(2rem, 5.5vw, 4rem); font-weight: 800; line-height: 1.05; letter-spacing: -.02em; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 750; letter-spacing: -.02em; margin-bottom: 1.2rem; }
h3 { font-size: 1.18rem; font-weight: 700; margin: .9rem 0 .35rem; }

.lead { font-size: clamp(1.02rem, 1.7vw, 1.22rem); color: var(--txt2); max-width: 40rem; }
.lead.center { margin-left: auto; margin-right: auto; }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem clamp(1.1rem, 4vw, 2.4rem);
  background: rgba(0,0,0,.6);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--stroke);
}
.brand { display: flex; align-items: center; gap: .55rem; font-weight: 800; font-size: 1.1rem; letter-spacing: -.01em; }
.brand-dot {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--acc); box-shadow: 0 0 12px rgba(48,209,88,.8);
}
.nav nav { display: flex; gap: 1.4rem; font-size: .95rem; }
.nav nav a { color: var(--txt2); transition: color .2s; }
.nav nav a:hover { color: var(--txt); }

/* ---- Layout ---- */
main { display: block; }
.section {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3.5rem, 8vw, 6rem) clamp(1.1rem, 4vw, 2.4rem);
}
.band { max-width: none; background: linear-gradient(180deg, rgba(48,209,88,.05), transparent 60%); border-top: 1px solid var(--stroke); border-bottom: 1px solid var(--stroke); }
.band .split { max-width: var(--maxw); margin: 0 auto; }

/* ---- Hero ---- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5rem) clamp(1.1rem, 4vw, 2.4rem) clamp(2rem, 5vw, 3.5rem);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.hero-text .lead { margin-top: 1.1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.8rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .8rem 1.35rem; border-radius: 999px; font-weight: 650; font-size: .98rem;
  border: 1px solid transparent; transition: transform .15s, background .2s, border-color .2s;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--acc); color: #04160a; }
.btn-primary:hover { background: #43e067; }
.btn-ghost { border-color: var(--stroke); color: var(--txt); background: var(--surface); }
.btn-ghost:hover { background: var(--surface2); }

.hero-img { position: relative; }
.hero-img img {
  width: 100%; border-radius: var(--radius);
  filter: drop-shadow(0 24px 60px rgba(0,0,0,.6));
}
.hero-glow {
  position: absolute; inset: -12% 0 auto 0; height: 70%;
  background: radial-gradient(60% 60% at 50% 40%, rgba(48,209,88,.22), transparent 70%);
  filter: blur(20px); z-index: -1; pointer-events: none;
}

/* ---- Feature-Grid ---- */
.grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.4rem;
}
.card {
  background: var(--surface); border: 1px solid var(--stroke);
  border-radius: var(--radius); padding: 1.4rem 1.3rem;
  transition: transform .2s, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-4px); border-color: rgba(48,209,88,.4); background: var(--surface2); }
.card p { color: var(--txt2); font-size: .96rem; }
.ic {
  width: 46px; height: 46px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--acc-dim); border: 1px solid rgba(48,209,88,.35);
}
.ic svg { width: 24px; height: 24px; fill: var(--acc); }

/* ---- App-Split ---- */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; }
.checks { list-style: none; margin-top: 1.4rem; display: grid; gap: .7rem; }
.checks li { position: relative; padding-left: 1.9rem; color: var(--txt2); }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px;
  border-radius: 50%; background: var(--acc-dim);
  box-shadow: inset 0 0 0 1px rgba(48,209,88,.5);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2330d158' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-size: 12px; background-repeat: no-repeat; background-position: center;
}

/* Telefon-Mockup mit echtem App-Screenshot (Bus-Übersicht der CamperOS-App) */
.phone-wrap { display: grid; place-items: center; position: relative; }
.phone-wrap::before {
  content: ""; position: absolute; width: 78%; height: 60%;
  background: radial-gradient(circle, rgba(48,209,88,.16), transparent 70%);
  filter: blur(30px); z-index: 0;
}
.phone {
  position: relative; z-index: 1;
  width: min(300px, 78vw); border-radius: 42px;
  background: #0a0a0b; padding: 7px;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 40px 90px rgba(0,0,0,.65), inset 0 0 0 1.5px rgba(255,255,255,.05);
}
.phone img { width: 100%; display: block; border-radius: 36px; }

/* ---- Pills ---- */
.pills { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: 2rem; }
.pills span {
  padding: .55rem 1rem; border-radius: 999px; font-size: .9rem; font-weight: 600;
  color: var(--txt2); background: var(--surface); border: 1px solid var(--stroke);
}

/* ---- Rechtsseiten (Impressum / Datenschutz) ---- */
.legal {
  max-width: 46rem; margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.1rem, 4vw, 2.4rem) 3rem;
}
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); margin-bottom: 1.4rem; }
.legal h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
.legal p, .legal li { color: var(--txt2); }
.legal ul { margin: .3rem 0 .3rem 1.3rem; display: grid; gap: .3rem; }
.legal code { background: var(--surface2); padding: .1em .4em; border-radius: 6px; font-size: .9em; }
.todo-note {
  background: rgba(255,159,10,.1); border: 1px solid rgba(255,159,10,.35);
  border-radius: 12px; padding: .9rem 1.1rem; margin-bottom: 1.6rem;
  font-size: .92rem; color: #ffcf8a !important;
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--stroke); text-align: center;
  padding: 2.5rem 1.2rem 3rem; display: grid; gap: .6rem; place-items: center;
}
.foot-brand { display: flex; align-items: center; gap: .5rem; font-weight: 800; }
.muted { color: var(--txt3); font-size: .92rem; }
.foot-links { display: flex; gap: 1.2rem; margin-top: .4rem; }
.foot-links a { color: var(--txt2); font-size: .92rem; }
.foot-links a:hover { color: var(--acc); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-text .lead, .cta-row { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .hero-img { order: -1; max-width: 520px; margin: 0 auto; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; text-align: center; }
  .checks { display: inline-grid; text-align: left; }
  .phone-wrap { order: -1; }
}
@media (max-width: 520px) {
  .nav nav { display: none; }
  .grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}