/* ===== Header, Hero, Footer ===== */

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.logo {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--accent);
  font-weight: 700;
  font-size: 18px;
  color: #07101a;
  flex-shrink: 0;
}

.logo img {
  width: 100%;
  height: 100%;
  border-radius: 10px;
  object-fit: fill;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.nav {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Hero sections */
.hero {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
  align-items: center;
  margin-bottom: 40px;
}

.hero .panel {
  background: var(--glass);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.hero2 {
  display: grid;
  gap: 24px;
  align-items: center;
  margin-bottom: 40px;
}

.hero2 .panel {
  background: var(--glass);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.headline {
  font-size: 26px;
  margin: 0 0 12px;
}

.lead {
  color: var(--muted);
  margin: 0 0 16px;
}

/* Features grid */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 14px;
}

.feature {
  background: rgba(255, 255, 255, 0.02);
  padding: 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.feature h3 {
  margin: 0 0 6px;
  font-size: 14px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

/* Running section */
.running-section .panel {
  text-align: center;
  position: relative;
  background: var(--glass);
  overflow: hidden;
}

.running-section .panel::before {
  display: none;
}

.run-options {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.run-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 600;
  transition: opacity 0.2s ease;
}

.run-btn svg {
  stroke: currentColor;
}

.run-btn.real {
  background: var(--accent);
  color: #021;
}

.run-btn.emu {
  background: var(--glass);
  color: var(--muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.run-btn:hover {
  opacity: 0.85;
}

/* System requirements */
#about {
  margin-top: 48px;
}

#about h3 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 28px;
  color: #e6eef3;
}

.requirements-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.req-column {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 24px 18px;
  text-align: left;
}

.req-column:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.req-title {
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.req-title.minimal {
  color: #60a5fa;
}

.req-title.recommended {
  color: #6ee7b7;
}

.req-title.maximum {
  color: #a78bfa;
}

.req-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.req-list li {
  padding: 5px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.04);
}

.req-list li strong {
  color: #e6eef3;
  font-weight: 600;
}

/* Footer */
footer {
  margin-top: 40px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}