/* ============================================
   SIMPLIXITY - MAIN STYLESHEET
   ============================================ */

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

/* CSS Variables - Design System */
:root {
  /* Simplixity Brand Colors */
  --color-deep-blue: #003366;
  --color-aqua-flow: #00B7C2;
  --color-gradient-purple: #6262F5;
  --color-ocean-teal: #008C8C;
  --color-dark-slate: #1C1C1C;
  --color-pure-white: #FFFFFF;

  /* Primary Colors */
  --color-primary: #00B7C2;
  --color-secondary: #003366;
  --color-accent: #6262F5;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --color-warning: #f59e0b;

  --color-text-primary: #1C1C1C;
  --color-text-secondary: #6b7280;
  --color-text-light: #9ca3af;

  --color-bg-primary: #FFFFFF;
  --color-bg-secondary: #f0f9fa;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-border: #e5e7eb;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography - Poppins for Headlines, Inter for Body */
  --font-heading: 'Poppins', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-sans: var(--font-body);
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Border Radius - Increased for modern look */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows - Enhanced for depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(0, 183, 194, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  color: var(--color-deep-blue);
}

h1 { font-size: var(--text-4xl); letter-spacing: -0.5px; }
h2 { font-size: var(--text-3xl); letter-spacing: -0.3px; }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #1d4ed8;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-gray {
  background-color: var(--color-bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.site-header {
  background-color: var(--color-bg-primary);
  border-bottom: 2px solid rgba(0, 183, 194, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(10px);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
}

.logo img {
  height: 40px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
  align-items: center;
}

.nav-menu a {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-heading);
  transition: all var(--transition-base);
  position: relative;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-aqua-flow), var(--color-gradient-purple));
  transition: width var(--transition-base);
}

.nav-menu a:hover::after,
.nav-menu a[aria-current="page"]::after {
  width: 100%;
}

.nav-menu a:hover,
.nav-menu a[aria-current="page"] {
  color: var(--color-aqua-flow);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  position: relative;
  transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  left: 0;
  transition: transform var(--transition-fast);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, #f0f9fa 0%, #e8f4f8 50%, #f5f0ff 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 183, 194, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-lg);
  color: var(--color-deep-blue);
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-aqua-flow) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-ocean-teal) 50%, var(--color-aqua-flow) 100%);
  color: white;
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-section h2 {
  color: white;
  font-size: var(--text-3xl);
  margin-bottom: var(--space-lg);
  position: relative;
  z-index: 1;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
  position: relative;
  z-index: 1;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-dark-slate) 100%);
  color: #ffffff;
  padding: var(--space-3xl) 0 var(--space-lg);
  margin-top: var(--space-3xl);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-column h3 {
  color: #ffffff;
  margin-bottom: var(--space-md);
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: var(--space-sm);
}

.footer-column a {
  color: #d1d5db;
  transition: color var(--transition-fast);
}

.footer-column a:hover {
  color: #ffffff;
}

.footer-logo {
  margin-bottom: var(--space-lg);
}

.footer-description {
  color: #d1d5db;
  margin-bottom: var(--space-lg);
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: background-color var(--transition-fast);
}

.social-links a:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.footer-newsletter {
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.footer-newsletter h3 {
  color: #ffffff;
}

.footer-newsletter p {
  color: #d1d5db;
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-bottom p {
  color: #d1d5db;
  margin: 0;
}

.footer-legal {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.footer-legal a {
  color: #d1d5db;
}

.contact-info {
  list-style: none;
}

.contact-info li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.contact-info svg {
  flex-shrink: 0;
}

/* ============================================
   SKIP LINK
   ============================================ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-bg-primary);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg);
    gap: var(--space-md);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-content h1 {
    font-size: var(--text-3xl);
  }
  
  .section-title {
    font-size: var(--text-2xl);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
  
  h1 { font-size: var(--text-2xl); }
  h2 { font-size: var(--text-xl); }
  h3 { font-size: var(--text-lg); }
  
  .hero-content h1 {
    font-size: var(--text-2xl);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}