/* ===== LinkDrop Site - Matched to Extension Theme ===== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  /* Core Colors (Matched to popup.css) */
  --primary: #10b981;       /* Emerald 500 */
  --primary-hover: #059669; /* Emerald 600 */
  --primary-light: #d1fae5; /* Emerald 100 */
  --primary-subtle: #ecfdf5; /* Emerald 50 */
  
  --accent: #3b82f6;        /* Blue 500 */
  --accent-light: #dbeafe;  /* Blue 100 */

  /* Text Colors */
  --text-primary: #0f172a;   /* Slate 900 */
  --text-secondary: #64748b; /* Slate 500 */
  --text-muted: #94a3b8;     /* Slate 400 */
  --text-inverse: #ffffff;

  /* Backgrounds */
  --bg-base: #f8fafc;       /* Slate 50 */
  --bg-card: #ffffff;
  --bg-elevated: #f1f5f9;   /* Slate 100 */
  --bg-hover: #e2e8f0;      /* Slate 200 */

  /* Borders & Shadows */
  --border: #e2e8f0;        /* Slate 200 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 20px 25px -5px rgba(16, 185, 129, 0.15), 0 8px 10px -6px rgba(16, 185, 129, 0.1);

  /* Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --max-width: 1200px;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-base);
  /* Subtle pattern matching the "simple and atmospheric" requirement */
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(16, 185, 129, 0.05), transparent 40%),
    radial-gradient(circle at 90% 40%, rgba(59, 130, 246, 0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 800; /* Bolder headers */
  letter-spacing: -0.025em;
  margin-top: 0;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 60ch;
  font-weight: 400;
}

/* Layout Containers */
.page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 6rem 0;
  position: relative;
}

/* Header */
header {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.brand-mark {
  display: inline-block;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm); /* Matching extension icon shape */
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.18);
  overflow: hidden;
  vertical-align: middle;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--primary);
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding-top: 4rem;
  padding-bottom: 8rem;
}

.eyebrow {
  display: inline-block;
  padding: 6px 12px;
  background: var(--primary-subtle);
  color: var(--primary-hover);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.cta-row {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm); /* Matching extension buttons */
  font-weight: 600;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 1rem;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--text-primary); /* Dark button for high contrast on site */
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}

.btn.primary:hover {
  background: #1e293b;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn.secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

.btn.secondary:hover {
  background: var(--bg-elevated);
  transform: translateY(-1px);
}

/* Chrome Button Special Style */
.btn-chrome {
  background: #2563eb; /* Chrome blue-ish */
  color: white;
}
.btn-chrome:hover {
  background: #1d4ed8;
}

/* MOCK POPUP - Precise Replica of Extension UI */
.mock-popup-container {
  perspective: 1500px;
}

.mock-app {
  width: 360px; /* Exact extension width */
  height: 540px; /* Exact extension height */
  background: var(--bg-base);
  border-radius: var(--radius-lg); /* Rounded container */
  box-shadow: 
    0 0 0 1px rgba(0,0,0,0.05),
    0 25px 50px -12px rgba(0, 0, 0, 0.25),
    0 0 0 12px rgba(255, 255, 255, 0.5); /* Glass border effect */
  overflow: hidden;
  position: relative;
  font-family: 'Inter', sans-serif;
  margin: 0 auto;
  transform: rotateY(-5deg) rotateX(2deg);
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  flex-direction: column;
}

.mock-app:hover {
  transform: rotateY(0) rotateX(0) scale(1.02);
}

/* Mock App Internal CSS (Mirroring popup.css) */
.ma-header {
  padding: 16px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}
.ma-logo { width: 36px; height: 36px; background: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: white; font-weight: bold; }
.ma-header-content { flex: 1; }
.ma-title { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.ma-current { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.ma-status { padding: 8px 16px; background: var(--bg-elevated); display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--text-secondary); }
.ma-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.ma-main { flex: 1; padding: 16px; background: var(--bg-base); overflow-y: auto; }
.ma-nav { padding: 8px 16px; background: var(--bg-card); border-top: 1px solid var(--border); display: flex; gap: 8px; }
.ma-nav-item { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--text-secondary); font-size: 11px; font-weight: 500; cursor: default; }
.ma-nav-item.active { color: var(--primary); }
.ma-nav-icon { width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.ma-nav-item.active .ma-nav-icon { background: var(--primary-subtle); }

/* Mock Content */
.ma-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.ma-contact { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 8px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.ma-avatar { width: 48px; height: 48px; background: var(--primary-subtle); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; }
.ma-name { font-size: 13px; font-weight: 500; color: var(--text-primary); }

/* Features Section */
.section-header {
  margin-bottom: 4rem;
  max-width: 700px;
}

.section-label {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.feature:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--primary-subtle);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 1.5rem;
}

.feature h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

/* How It Works */
.columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  height: 100%;
}

.step-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--bg-hover);
  line-height: 1;
  margin-bottom: 1rem;
  font-family: 'Inter', sans-serif;
}

ul.clean {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

ul.clean li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

ul.clean li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

/* Footer */
footer {
  margin-top: 6rem;
  padding: 4rem 0;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a:hover {
  color: var(--primary);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 4rem;
  }
  
  .hero .lead {
    margin: 0 auto 2rem;
  }
  
  .cta-row {
    justify-content: center;
  }
}