/* Envini Landing — statisch, responsive, barrierearm. Keine Frameworks. */

:root {
  --bg: #fffdf6;
  --bg-alt: #fff8e6;
  --surface: #ffffff;
  --ink: #22252b;
  --ink-soft: #5a6068;
  --brand: #f5b301;
  --brand-deep: #d99700;
  --brand-glow: #ffe38a;
  --line: #ece6d6;
  --shadow: 0 10px 30px rgba(60, 50, 10, 0.10);
  --radius: 18px;
  --focus: #1a63d6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16171b;
    --bg-alt: #1d1e22;
    --surface: #22242a;
    --ink: #f3f2ee;
    --ink-soft: #b3b6bd;
    --brand: #ffc531;
    --brand-deep: #f5b301;
    --brand-glow: #4a3d10;
    --line: #33353d;
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.45);
    --focus: #7fb0ff;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1080px, 100% - 2.5rem); margin-inline: auto; }

img { max-width: 100%; height: auto; display: block; }

a { color: var(--brand-deep); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--surface);
  color: var(--ink);
  padding: 0.6rem 1rem;
  border-radius: 0 0 10px 0;
  z-index: 20;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.7rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}
.brand-mark { width: 40px; height: 40px; }
.brand-name { font-size: 1.2rem; letter-spacing: 0.2px; }
.nav { display: flex; gap: 1.25rem; }
.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.98rem;
}
.nav a:hover { color: var(--ink); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-alt), var(--bg));
  padding-block: clamp(2.5rem, 6vw, 5rem);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(1.5rem, 5vw, 3.5rem);
}
.eyebrow {
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-deep);
}
h1 {
  margin: 0 0 0.9rem;
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.5px;
}
.lead {
  margin: 0 0 1.6rem;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 34ch;
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}
.cta-note {
  margin: 0.85rem 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

/* Buttons */
.btn {
  --pad-y: 0.8rem;
  --pad-x: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: var(--pad-y) var(--pad-x);
  border-radius: 999px;
  border: 2px solid transparent;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--brand);
  color: #2a2100;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--brand) 45%, transparent);
}
.btn-primary:hover { background: var(--brand-deep); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--brand-deep); color: var(--brand-deep); }

/* Hero visual */
.hero-visual { position: relative; display: grid; place-items: center; }
.mascot {
  width: min(100%, 440px);
  filter: drop-shadow(0 18px 28px rgba(120, 90, 0, 0.22));
  animation: float 6s ease-in-out infinite;
}
.glow {
  position: absolute;
  inset: 12% 8% auto 8%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand-glow), transparent 65%);
  filter: blur(12px);
  opacity: 0.8;
  z-index: 0;
}
.mascot { position: relative; z-index: 1; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@media (prefers-reduced-motion: reduce) {
  .mascot { animation: none; }
  .btn { transition: none; }
}

/* Check section */
.check { padding-block: clamp(2rem, 5vw, 3.5rem); }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.check-card {
  display: flex;
  gap: 1.4rem;
  align-items: center;
  padding: clamp(1.4rem, 3vw, 2.2rem);
}
.check-icon {
  font-size: 2.4rem;
  line-height: 1;
  background: var(--bg-alt);
  border-radius: 16px;
  padding: 0.8rem 1rem;
  flex: none;
}
.check-body h2 { margin: 0 0 0.5rem; font-size: clamp(1.3rem, 3vw, 1.7rem); }
.check-body p { margin: 0 0 1.1rem; color: var(--ink-soft); }

/* Steps */
.steps { padding-block: clamp(2rem, 5vw, 4rem); background: var(--bg-alt); }
.section-title {
  margin: 0 0 1.6rem;
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  text-align: center;
}
.step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}
.step { padding: 1.6rem 1.4rem; position: relative; }
.step-num {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--brand);
  color: #2a2100;
  font-weight: 800;
  margin-bottom: 0.8rem;
}
.step h3 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.step p { margin: 0; color: var(--ink-soft); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 1.6rem;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-weight: 700;
}
.footer-note { margin: 0; color: var(--ink-soft); font-size: 0.9rem; }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(1rem);
  background: var(--ink);
  color: var(--bg);
  padding: 0.8rem 1.3rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 30;
  max-width: min(90vw, 30rem);
  text-align: center;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (prefers-reduced-motion: reduce) { .toast { transition: opacity 0.2s ease; } }

/* Responsive */
@media (max-width: 820px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy { order: 2; }
  .hero-visual { order: 1; }
  .lead { margin-inline: auto; }
  .cta-row { justify-content: center; }
  .mascot { width: min(72%, 320px); }
  .step-list { grid-template-columns: 1fr; }
  .check-card { flex-direction: column; text-align: center; }
  .nav { display: none; }
}