/* ========================================
   CSS Variables
   ======================================== */

:root {
  /* Colors */
  --primary: #FF6B35;
  --primary-dark: #E85D2B;
  --secondary: #5D5FEF;
  --secondary-dark: #4a4cdb;
  --accent: #F7931E;
  --success: #10b981;
  --dark: #1f2937;
  --gray: #6b7280;
  --light-gray: #f3f4f6;
  --white: #ffffff;
  --formgray: #dcdcdc;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 80px;

  /* Container */
  --container-width: 1200px;
  --container-padding: 20px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
}

/* ========================================
   Reset
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

/* ========================================
   Layout - Section & Container
   ======================================== */

section {
  padding: var(--spacing-3xl) 0;
  position: relative;
}

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

/* ========================================
   Text Container & Content Container
   ======================================== */

.text-container {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.content-container {
  width: 100%;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 48px;
}

h2 {
  font-size: 36px;
}

h3 {
  font-size: 24px;
}

h4 {
  font-size: 20px;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray);
}

.title {
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
}

.subtitle {
  font-size: 20px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: var(--spacing-sm);
}

.desc {
  font-size: 18px;
  color: var(--gray);
  line-height: 1.7;
}

.highlight {
  color: var(--primary);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn.primary {
  background-color: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.btn.primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn.secondary {
  background-color: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn.secondary:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn.small {
  padding: 10px 20px;
  font-size: 14px;
}

.btn.large {
  padding: 18px 36px;
  font-size: 18px;
  width: 100%;
  max-width: 400px;
}

/* ========================================
   Card
   ======================================== */

.card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card .icon {
  font-size: 40px;
  margin-bottom: var(--spacing-sm);
}

.card .cardtitle {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--spacing-xs);
}

.card .carddesc {
  font-size: 15px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ========================================
   Grid
   ======================================== */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* ========================================
   Header
   ======================================== */

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

header .container {
  padding: 0 var(--container-padding);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--dark);
  transition: color 0.3s ease;
}

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

.header-cta .btn {
  padding: 10px 20px;
  font-size: 14px;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 3px;
  background-color: var(--dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========================================
   Footer
   ======================================== */

footer {
  background-color: var(--dark);
  color: var(--white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

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

.footer-section .footer-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.footer-section .footer-desc {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.footer-section p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: var(--spacing-xs);
}

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

.footer-bottom p {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 0;
}

/* ========================================
   CTA Inline (Middle CTA)
   ======================================== */

.cta-inline {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.cta-inline .cta-note {
  font-size: 14px;
  color: var(--gray);
  margin-top: var(--spacing-sm);
  margin-bottom: 0;
}

/* ========================================
   Mobile Fixed CTA
   ======================================== */

.mobile-fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: var(--white);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: 999;
  display: none;
}

.mobile-fixed-cta .btn {
  width: 100%;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 28px;
  }

  .title {
    font-size: 28px;
  }

  .subtitle {
    font-size: 18px;
  }

  .desc {
    font-size: 16px;
  }

  section {
    padding: var(--spacing-2xl) 0;
  }

  .nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .mobile-fixed-cta {
    display: block;
  }
}