/* Markit Landing Page Styles (V1.0.0 Global Release) */

:root {
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --text-900: #0f172a;
  --text-600: #475569;
  --bg-white: #ffffff;
  --bg-plate: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background: #f8fafc;
  color: var(--text-900);
  line-height: 1.5;
  overflow-x: hidden;
}

/* 🚩 HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start; /* 🚩 Fix: Prevent top cutoff */
  text-align: center;
  padding: 80px 20px;
  background: radial-gradient(circle at top, #e0e7ff 0%, #f8fafc 40%);
  gap: 12px;
}

.logo-container {
  width: 120px;
  height: 120px;
  margin-bottom: 12px;
  animation: float 6s ease-in-out infinite;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-container:hover {
  transform: scale(1.1) rotate(5deg);
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, var(--indigo-600), #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text; /* 🚩 Lint Fix: Standard property */
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-600);
  max-width: 600px;
  margin-bottom: 40px;
}

/* 🚩 INTERACTIVE PLAYGROUND */
.playground-wrap {
  width: 100%;
  max-width: 900px;
  background: white;
  border-radius: 24px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  margin-bottom: 60px;
  border: 1px solid rgba(0,0,0,0.05);
  position: relative;
}

.playground-toolbar {
  background: #f1f5f9;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.divider {
  width: 1px;
  height: 24px;
  background: #cbd5e1;
  margin: 0 4px;
}

.tool-btn, .weight-btn {
  padding: 6px 12px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--text-600);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}

.tool-btn.active, .weight-btn.active {
  background: var(--indigo-600);
  color: white;
}

.color-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.color-dot.active {
  border-color: #cbd5e1;
  transform: scale(1.15);
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#demo-canvas {
  width: 100%;
  height: 450px;
  cursor: crosshair;
  background: url("https://www.transparenttextures.com/patterns/cubes.png"); /* Light pattern */
}

/* 🚩 FEATURE GRID */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto 100px;
  padding: 0 20px;
}

.card {
  background: var(--bg-plate);
  backdrop-filter: blur(20px);
  padding: 40px;
  border-radius: 24px;
  border: 1.5px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card .icon {
  width: 48px;
  height: 48px;
  background: var(--indigo-600);
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-600);
}

/* 🚩 FOOTER */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 80px 20px;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin: 40px 0;
}

.footer-links a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.cta-btn {
  display: inline-block;
  padding: 16px 32px;
  background: var(--indigo-600);
  color: white;
  text-decoration: none;
  font-weight: 700;
  border-radius: 16px;
  box-shadow: 0 10px 20px rgba(79, 70, 229, 0.3);
  transition: all 0.2s;
}

.cta-btn:hover {
  background: var(--indigo-500);
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(79, 70, 229, 0.4);
}

.cta-btn.cta-secondary {
  background: white;
  color: var(--indigo-600);
  border: 2px solid var(--indigo-600);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.03);
}

.cta-btn.cta-secondary:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.06);
}

@media (max-width: 768px) {
  .hero h1 { font-size: 3rem; }
  .playground-wrap { border-radius: 0; }
  #demo-canvas { height: 350px; }
  
  .hero div[style*="display: flex"] {
    flex-direction: column;
    width: 100%;
    padding: 0 20px;
    gap: 12px;
  }

  .playground-toolbar {
    padding: 8px 12px;
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  .tool-btn, .weight-btn {
    padding: 6px 10px;
    font-size: 11px;
    white-space: nowrap;
  }
}