/* Base and Enterprise Precision Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+TC:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #090E17;
  --bg-elevated: #111827;
  --text: #F8FAFC;
  --text-muted: #94A3B8;
  --accent: #4F46E5; /* Indigo Blue for quicklysort */
  --accent-hover: #4338CA;
  --border: #334155;
  --font: "Inter", "Noto Sans TC", system-ui, sans-serif;
  --max-width: 1200px;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 14, 23, 0.9);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-lockup img {
  height: 32px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-text span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.9rem;
  margin-left: 0.5rem;
  border-left: 1px solid var(--border);
  padding-left: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

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

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--text-muted);
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hero-content .subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

.hero-visual {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.hero-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.render-badge {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.1);
  color: #94A3B8;
  font-size: 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  pointer-events: none;
  letter-spacing: 0.05em;
  z-index: 10;
}

/* Features */
.features {
  padding: 5rem 0;
  background: var(--bg-elevated);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: var(--bg);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.feature-card p {
  color: var(--text-muted);
}

/* Trust Banner */
.trust-banner {
  padding: 4rem 0;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.trust-banner h2 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* Footer */
footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

footer a {
  color: var(--accent);
}

footer a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 4rem 0;
  }
  
  .hero-content .subtitle {
    margin: 0 auto 2.5rem auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
}