:root {
  --ink: #2d0a35;
  --accent: #8f1f88;
  --accent-gradient: linear-gradient(135deg, #b12ea9, #6636cc);
  --surface: #fbf8fc;
  --line: rgba(45, 10, 53, 0.1);
  --brand-image: url("https://perlitech.de/bg-perlitech.jpg");
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font: 16px/1.5 Arial, sans-serif;
}

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

.hero {
  padding: clamp(36px, 6vw, 76px) 20px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(18, 4, 24, 0.82), rgba(70, 13, 67, 0.68)),
    var(--brand-image) center / cover no-repeat,
    linear-gradient(43deg, #9e2896, #440c41);
}

.hero-inner,
.instructions {
  width: min(100%, 1000px);
  margin-inline: auto;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.35fr);
  align-items: center;
  gap: clamp(16px, 4vw, 48px);
  padding: clamp(20px, 3.5vw, 44px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.hero-logo {
  display: block;
  width: min(100%, 320px);
  height: auto;
  margin-inline: auto;
  filter: drop-shadow(0 14px 32px rgba(177, 46, 169, 0.4));
}

.hero h1 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-intro {
  margin: 0 0 26px;
  font-size: 1.15rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.download-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 10px clamp(12px, 3vw, 28px);
  border-radius: 8px;
  background: var(--accent-gradient);
  box-shadow: 0 4px 15px rgba(177, 46, 169, 0.4);
  color: #fff;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.download-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(177, 46, 169, 0.6);
}

.download-button:focus-visible { outline-color: #fff; }

.windows-icon { flex: none; }

.download-info {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 0.9rem;
}

.instructions {
  max-width: calc(100% - 40px);
  padding: clamp(32px, 5vw, 52px) 0;
}

.instructions h2 {
  margin: 0 0 20px;
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  line-height: 1.2;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 14px 34px rgba(45, 10, 53, 0.08);
}

.support-step-number {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(177, 46, 169, 0.14), rgba(102, 54, 204, 0.12));
  color: var(--accent);
  font-weight: 700;
}

.steps h3 {
  margin: 2px 0 5px;
  font-size: 1.05rem;
}

.steps p,
.session-note {
  color: #514556;
  font-size: 0.94rem;
}

.steps p { margin: 0; }

.session-note {
  margin: 22px 0 0;
  padding-inline-start: 14px;
  border-inline-start: 3px solid #b12ea9;
}

@media (max-width: 680px) {
  .hero { padding: 22px 14px 28px; }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    text-align: center;
  }

  .hero-logo { width: min(60%, 190px); }
  .hero-intro { margin-bottom: 20px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .download-button { transition: none; }

  .download-button:hover { transform: none; }
}