:root {
  --bg: #081224;
  --bg-accent: #0f2747;
  --panel: #0f1d33;
  --panel-border: #1d3b66;
  --text: #f3f7ff;
  --muted: #a6b9d8;
  --primary: #ff9b3d;
  --primary-hover: #ffb267;
  --secondary: #1f3557;
  --shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, #204673 0%, transparent 36%),
    radial-gradient(circle at 90% 100%, #213e66 0%, transparent 30%),
    linear-gradient(170deg, var(--bg) 0%, #060f20 70%);
  min-height: 100vh;
}

.page {
  width: min(1120px, 92vw);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.panel {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}

.panel + .panel {
  margin-top: 1rem;
}

.hero {
  background:
    linear-gradient(115deg, rgba(255, 155, 61, 0.14), transparent 45%),
    linear-gradient(165deg, rgba(75, 163, 255, 0.12), transparent 50%),
    var(--panel);
}

.hero-top {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  background: #ffffff;
  object-fit: cover;
  flex-shrink: 0;
}

h1 {
  margin: 0.1rem 0 0.55rem;
  font-size: clamp(1.8rem, 4.7vw, 2.8rem);
  letter-spacing: 0.02em;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
}

h3 {
  margin: 0;
  font-size: 1.15rem;
}

p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.kicker {
  margin: 0;
  color: #b8c7e5;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
}

.lead {
  margin-top: 0.4rem;
  max-width: 72ch;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.65rem 1.05rem;
  border: 1px solid transparent;
  transition: transform 0.16s ease, background 0.16s ease, border-color 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #111827;
  background: var(--primary);
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  color: var(--text);
  border-color: #31598f;
  background: var(--secondary);
}

.btn-secondary:hover {
  border-color: #4a79b7;
}

.quick-facts {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.quick-facts div {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 0.8rem 0.85rem;
}

.quick-facts strong {
  display: block;
  font-size: 1rem;
}

.quick-facts span {
  color: var(--muted);
  font-size: 0.9rem;
}

.modes-intro {
  margin-top: 0;
  margin-bottom: 1rem;
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.mode-card {
  background: rgba(8, 18, 36, 0.55);
  border: 1px solid rgba(135, 168, 214, 0.25);
  border-radius: 18px;
  padding: 1rem;
}

.mode-render {
  margin-top: 0.7rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.mode-render svg {
  display: block;
  width: 100%;
  height: auto;
}

.meta {
  margin-top: 0.65rem;
  font-size: 0.9rem;
}

.download-panel {
  text-align: center;
}

.download-panel p {
  margin-top: 0;
  margin-bottom: 1rem;
}

@media (max-width: 860px) {
  .modes-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(1120px, 94vw);
    padding-top: 1.1rem;
  }

  .panel {
    border-radius: 18px;
    padding: 1rem;
  }

  .hero-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .quick-facts {
    grid-template-columns: 1fr;
  }
}