/* --------------------------------------------------
   PostMac Landing Page Stylesheet
   Design System: macOS Modern Dark Mode & Glassmorphism
   -------------------------------------------------- */

:root {
  --bg-dark: #090B10;
  --bg-card: rgba(22, 26, 40, 0.7);
  --bg-card-hover: rgba(30, 36, 56, 0.85);
  --bg-glass: rgba(18, 22, 34, 0.65);
  
  --accent-blue: #007AFF;
  --accent-blue-glow: rgba(0, 122, 255, 0.35);
  --accent-purple: #5E5CE6;
  --accent-cyan: #64D2FF;
  --accent-green: #30D158;
  --accent-coral: #FF453A;
  --accent-amber: #FFD60A;

  --text-primary: #F5F5F7;
  --text-secondary: #8E8E93;
  --text-tertiary: #636366;
  --border-color: rgba(255, 255, 255, 0.1);
  --border-color-highlight: rgba(0, 122, 255, 0.4);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Roboto Mono', Menlo, Monaco, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body {
  position: relative;
  background: radial-gradient(circle at 50% -20%, #1A2342 0%, #090B10 60%);
  min-height: 100vh;
}

/* Background Glow Effects */
.glow-bg {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-blue-glow) 0%, rgba(0,0,0,0) 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
}

.glow-bg-secondary {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(94, 92, 230, 0.25) 0%, rgba(0,0,0,0) 70%);
  top: 800px;
  right: -100px;
  z-index: -1;
  pointer-events: none;
  filter: blur(90px);
}

/* Layout Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.brand-badge {
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(0, 122, 255, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 122, 255, 0.3);
  padding: 2px 8px;
  border-radius: 20px;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent-blue) 0%, #0056B3 100%);
  color: #FFFFFF;
  padding: 10px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 4px 20px rgba(0, 122, 255, 0.4);
  transition: all 0.25s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 122, 255, 0.6);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  padding: 10px 22px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding-top: 150px;
  padding-bottom: 80px;
  text-align: center;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(94, 92, 230, 0.15);
  border: 1px solid rgba(94, 92, 230, 0.3);
  color: #A2A0FF;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #B0B5C0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 36px auto;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

/* App Window Showcase */
.showcase-window {
  background: rgba(18, 22, 34, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 40px rgba(0, 122, 255, 0.15);
  overflow: hidden;
  margin-top: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.showcase-window:hover {
  transform: translateY(-4px);
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.9), 0 0 50px rgba(0, 122, 255, 0.25);
}

.window-header {
  height: 48px;
  background: rgba(10, 12, 18, 0.95);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
}

.window-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background-color: #FF5F56; }
.dot-yellow { background-color: #FFBD2E; }
.dot-green { background-color: #27C93F; }

.window-tabs {
  display: flex;
  gap: 8px;
  flex: 1;
}

.window-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.window-tab-btn.active, .window-tab-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.window-body {
  position: relative;
  background: #000000;
}

.window-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Stats Metric Strip */
.stats-strip {
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  margin-top: 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Section Common Styles */
.section {
  padding: 100px 0;
}

.section-tag {
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 60px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-color-highlight);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 122, 255, 0.15);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Protocol Badges Grid */
.protocols-box {
  background: linear-gradient(135deg, rgba(22, 26, 40, 0.9) 0%, rgba(13, 15, 23, 0.9) 100%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.protocol-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: 14px;
  text-align: center;
  transition: all 0.25s ease;
}

.protocol-item:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 122, 255, 0.08);
}

.protocol-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.tag-http { background: rgba(48, 209, 88, 0.2); color: var(--accent-green); }
.tag-ws { background: rgba(94, 92, 230, 0.2); color: var(--accent-purple); }
.tag-graphql { background: rgba(255, 69, 58, 0.2); color: var(--accent-coral); }
.tag-soap { background: rgba(255, 214, 10, 0.2); color: var(--accent-amber); }

.protocol-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.protocol-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Ultimate Pricing & Paywall Section */
.pricing-section {
  position: relative;
  background: radial-gradient(circle at 50% 50%, rgba(94, 92, 230, 0.15) 0%, rgba(9, 11, 16, 0) 70%);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.pricing-card.ultimate {
  border: 2px solid var(--accent-purple);
  box-shadow: 0 0 40px rgba(94, 92, 230, 0.25);
  background: linear-gradient(180deg, rgba(30, 26, 56, 0.8) 0%, rgba(18, 22, 34, 0.9) 100%);
  position: relative;
}

.ultimate-badge {
  position: absolute;
  top: -14px;
  right: 30px;
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-blue) 100%);
  color: #FFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(94, 92, 230, 0.4);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.plan-price {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.plan-price span {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.plan-features li.disabled {
  color: var(--text-tertiary);
  text-decoration: line-through;
}

.icon-check { color: var(--accent-green); }
.icon-cross { color: var(--text-tertiary); }

/* FAQ Accordion */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px 0;
  background: rgba(10, 12, 18, 0.95);
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}

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

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-title { font-size: 2.5rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .protocols-box { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero-title { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
  .protocols-box { grid-template-columns: 1fr; }
}