/* SaaS Dev Premium Design System */
:root {
  --saas-bg-dark: #0f1115;
  --saas-bg-darker: #08090b;
  --saas-bg-light: #ffffff;
  --saas-bg-gray: #f9fafb;
  --saas-primary: #3b82f6; /* Modern Blue */
  --saas-primary-hover: #2563eb;
  --saas-accent: #8b5cf6; /* Violet */
  --saas-accent-glow: rgba(139, 92, 246, 0.4);
  --saas-text-dark: #e2e8f0;
  --saas-text-light: #1e293b;
  --saas-text-muted: #64748b;
  --saas-text-muted-dark: #94a3b8;
  --saas-border-light: #e2e8f0;
  --saas-border-dark: #1e293b;
  --saas-glass-bg: rgba(255, 255, 255, 0.05);
  --saas-glass-border: rgba(255, 255, 255, 0.1);
  --saas-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --saas-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --saas-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --saas-shadow-glow: 0 0 40px var(--saas-accent-glow);
  --saas-radius-md: 0.5rem;
  --saas-radius-lg: 1rem;
  --saas-radius-xl: 1.5rem;
}

body.saas-premium {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--saas-text-light);
  background-color: var(--saas-bg-light);
  line-height: 1.6;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Typography Enhancements */
.saas-premium h1, .saas-premium h2, .saas-premium h3, .saas-premium h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.saas-premium p {
  color: var(--saas-text-muted);
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}

.saas-premium .text-gradient {
  background: linear-gradient(135deg, var(--saas-primary), var(--saas-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* Hero Section: Floating App Mockup (Layout 1) */
.saas-hero-floating {
  position: relative;
  padding: 8rem 0 4rem;
  background-color: var(--saas-bg-dark);
  color: var(--saas-text-dark);
  overflow: hidden;
  text-align: center;
}
.saas-hero-floating::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%; width: 50%; height: 50%;
  background: radial-gradient(circle, var(--saas-accent-glow) 0%, transparent 70%);
  z-index: 0;
  filter: blur(80px);
}
.saas-hero-floating .container {
  position: relative;
  z-index: 1;
}
.saas-hero-floating h1 {
  font-size: 4rem;
  color: #fff;
  margin-bottom: 1.5rem;
}
.saas-hero-floating p {
  color: var(--saas-text-muted-dark);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}
.saas-floating-mockup {
  margin-top: 4rem;
  perspective: 1000px;
  animation: float 6s ease-in-out infinite;
}
.saas-floating-mockup img {
  border-radius: var(--saas-radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px var(--saas-accent-glow);
  max-width: 80%;
  border: 1px solid var(--saas-glass-border);
  transform: rotateX(5deg) translateY(0);
}

@keyframes float {
  0% { transform: translateY(0px) rotateX(5deg); }
  50% { transform: translateY(-20px) rotateX(5deg); }
  100% { transform: translateY(0px) rotateX(5deg); }
}

/* Hero Section: Asymmetrical Split Layout (Layout 2) */
.saas-hero-split {
  display: flex;
  min-height: 90vh;
  background: var(--saas-bg-light);
  align-items: center;
}
.saas-hero-split .split-content {
  flex: 1;
  padding: 4rem 10%;
}
.saas-hero-split h1 {
  font-size: 3.5rem;
  color: var(--saas-text-light);
}
.saas-hero-split .split-image {
  flex: 1;
  height: 90vh;
  background-size: cover;
  background-position: center;
  position: relative;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0% 100%);
}

/* Dark Mode Section */
.saas-dark-section {
  background-color: var(--saas-bg-darker);
  color: var(--saas-text-dark);
  padding: 6rem 0;
  position: relative;
}
.saas-dark-section h2 {
  color: #fff;
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}
.saas-dark-section p {
  color: var(--saas-text-muted-dark);
}

/* 4-Column Feature Grid */
.saas-feature-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 0 1rem;
}
@media (max-width: 1024px) {
  .saas-feature-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .saas-feature-grid-4 { grid-template-columns: 1fr; }
}

/* Grid Cards (Replaces Bullets) */
.saas-card {
  background: var(--saas-bg-light);
  border: 1px solid var(--saas-border-light);
  border-radius: var(--saas-radius-lg);
  padding: 2rem;
  transition: all 0.3s ease;
  box-shadow: var(--saas-shadow-sm);
  position: relative;
  overflow: hidden;
}
.saas-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--saas-shadow-lg);
  border-color: var(--saas-primary);
}
.saas-card .icon-wrapper {
  width: 50px;
  height: 50px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--saas-primary);
  border-radius: var(--saas-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}
.saas-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.saas-card p {
  font-size: 1rem;
  margin-bottom: 0;
}

/* Dark Cards */
.saas-dark-section .saas-card {
  background: var(--saas-glass-bg);
  border: 1px solid var(--saas-glass-border);
  backdrop-filter: blur(10px);
}
.saas-dark-section .saas-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--saas-accent);
  box-shadow: var(--saas-shadow-glow);
}
.saas-dark-section .saas-card h3 { color: #fff; }

/* 2-Column Grid (For standard layouts) */
.saas-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
@media (max-width: 768px) {
  .saas-grid-2 { grid-template-columns: 1fr; }
}

/* 3-Column Grid */
.saas-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 900px) {
  .saas-grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .saas-grid-3 { grid-template-columns: 1fr; }
}

/* Utility / Helpers */
.saas-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.saas-section {
  padding: 6rem 0;
}
.saas-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-weight: 600;
  border-radius: 9999px;
  transition: all 0.2s;
  text-decoration: none;
  font-size: 1.125rem;
}
.saas-btn-primary {
  background-color: var(--saas-primary);
  color: #fff;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}
.saas-btn-primary:hover {
  background-color: var(--saas-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.23);
}
.saas-btn-outline {
  background: transparent;
  color: var(--saas-text-light);
  border: 1px solid var(--saas-border-light);
}
.saas-dark-section .saas-btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}
.saas-dark-section .saas-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.saas-text-center { text-align: center; }
.saas-mt-8 { margin-top: 2rem; }
.saas-mb-8 { margin-bottom: 2rem; }
.saas-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(139, 92, 246, 0.1);
  color: var(--saas-accent);
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.saas-dark-section .saas-badge {
  background: rgba(139, 92, 246, 0.2);
  color: #c4b5fd;
}