:root {
  color-scheme: light;
  --bg-top: #dff3ff;
  --bg-bottom: #f7fbff;
  --panel: rgba(255, 255, 255, 0.82);
  --text: #16324f;
  --muted: #56708b;
  --robot-start: #3c94ff;
  --robot-end: #1b63db;
  --print-start: #18b679;
  --print-end: #0f8a5c;
  --shadow: 0 20px 50px rgba(27, 78, 130, 0.16);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(60, 148, 255, 0.28), transparent 34%),
    radial-gradient(circle at bottom right, rgba(24, 182, 121, 0.24), transparent 30%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text);
}

.screen {
  width: min(720px, 100%);
  margin: 0 auto;
  min-height: 100vh;
  padding: 28px 20px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero {
  padding: 28px;
  border-radius: 32px;
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 10px;
  color: #1a79a9;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 54px);
  line-height: 0.95;
}

.lead {
  margin: 18px 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.5;
}

.cards {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.service-card {
  appearance: none;
  border: 0;
  border-radius: var(--radius);
  padding: 24px;
  color: #fff;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

.service-card:active {
  transform: scale(0.985);
}

.service-card[disabled] {
  cursor: wait;
  opacity: 0.75;
}

.service-card.robot {
  background: linear-gradient(135deg, var(--robot-start), var(--robot-end));
}

.service-card.print {
  background: linear-gradient(135deg, var(--print-start), var(--print-end));
}

.icon {
  display: inline-flex;
  width: 52px;
  height: 52px;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 26px;
}

.title {
  display: block;
  margin-top: 16px;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.05;
}

.subtitle {
  display: block;
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.45;
  opacity: 0.92;
}

.hint {
  margin: 18px 8px 0;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: 1fr 1fr;
  }

  .service-card {
    min-height: 240px;
  }
}