/* ============================================
   CSS Reset and Base Styles
   ============================================ */

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

:root {
  /* Colors - Primary (Warm Orange/Clay theme) */
  --primary-50: #fcebe0;
  --primary-100: #f9dbc9;
  --primary-200: #f4bd9e;
  --primary-300: #ee9e72;
  --primary-400: #e68055;
  --primary-500: #c66b3d;
  --primary-600: #b2552d;
  --primary-700: #9e4020;
  --primary-800: #773018;
  --primary-900: #592412;

  /* Colors - Secondary (Sage Green theme) */
  --secondary-50: #f0f4ed;
  --secondary-100: #dde5d6;
  --secondary-200: #c2d1b8;
  --secondary-300: #9fb594;
  --secondary-400: #7a9470;
  --secondary-500: #5f7a57;
  --secondary-600: #4a6244;
  --secondary-700: #3c4f38;
  --secondary-800: #324030;
  --secondary-900: #2a3529;

  /* Grays */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
  --spacing-24: 6rem;

  /* Typography */
  --font-sans:
    'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto',
    'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-serif: 'DM Serif Display', Georgia, 'Times New Roman', serif;

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl:
    0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

  /* Transitions */
  --transition: all 0.2s ease-in-out;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: #f5f2ef;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-500);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary-500);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--gray-700);
  position: relative;
  transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--gray-700);
  left: 0;
  transition: var(--transition);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  bottom: -7px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background-color: white;
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-6);
  flex-direction: column;
  gap: var(--spacing-4);
  z-index: 999;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  padding: var(--spacing-2) 0;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-500);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-secondary {
  background-color: var(--secondary-500);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--secondary-600);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-text {
  background-color: transparent;
  color: var(--gray-600);
}

.btn-text:hover {
  color: var(--primary-500);
}

.btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

.icon {
  width: 20px;
  height: 20px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding-top: calc(72px + var(--spacing-20));
  padding-bottom: var(--spacing-20);
  background: linear-gradient(
    to bottom,
    var(--primary-50),
    var(--secondary-50)
  );
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  background: linear-gradient(135deg, var(--primary-100), var(--secondary-100));
  border-radius: var(--radius-2xl);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-700);
  margin-bottom: var(--spacing-6);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--spacing-6);
  color: var(--gray-900);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: var(--spacing-8);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-8);
}

.app-badges {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-16);
}

.app-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-6);
  background-color: var(--gray-900);
  color: white;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid var(--gray-800);
}

.app-badge:hover {
  background-color: var(--gray-800);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.app-badge-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.app-badge-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.app-badge-small {
  font-size: 0.625rem;
  opacity: 0.8;
  line-height: 1;
  margin-bottom: 2px;
}

.app-badge-large {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-8);
  max-width: 600px;
  margin: 0 auto;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-500);
  margin-bottom: var(--spacing-1);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-4);
}

.section-description {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: var(--spacing-20) 0;
  background: linear-gradient(to bottom, var(--secondary-50), #f5f2ef);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.feature-card {
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--primary-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background-color: var(--primary-100);
  color: var(--primary-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.feature-description {
  color: var(--gray-600);
  line-height: 1.6;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
  padding: var(--spacing-20) 0;
  background: linear-gradient(to bottom, white, var(--secondary-50));
}

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-12);
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--spacing-6);
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content {
  flex: 1;
  padding-top: var(--spacing-3);
}

.step-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-2);
}

.step-description {
  color: var(--gray-600);
  line-height: 1.7;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
  padding: var(--spacing-20) 0;
  background: linear-gradient(to bottom, var(--secondary-50), #f5f2ef);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.testimonial-card {
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  background-color: var(--gray-50);
  border: 1px solid var(--gray-200);
}

.testimonial-stars {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-bottom: var(--spacing-4);
}

.testimonial-text {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: var(--spacing-6);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
}

.author-name {
  font-weight: 600;
  color: var(--gray-900);
}

.author-role {
  font-size: 0.875rem;
  color: var(--gray-600);
}

/* ============================================
   CTA Section
   ============================================ */

.cta {
  padding: var(--spacing-20) 0;
  background: linear-gradient(
    135deg,
    var(--secondary-600),
    var(--secondary-800)
  );
}

.cta-content {
  text-align: center;
  color: white;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-4);
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0.9;
}

.cta .btn-primary {
  background-color: white;
  color: var(--primary-600);
}

.cta .btn-primary:hover {
  background-color: var(--gray-50);
}

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

.footer {
  padding: var(--spacing-16) 0 var(--spacing-8);
  background-color: var(--gray-900);
  color: white;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-8);
}

.footer-brand .logo-text {
  font-family: var(--font-serif);
  color: white;
  margin-bottom: var(--spacing-2);
}

.footer-tagline {
  color: var(--gray-400);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-8);
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-4);
  color: white;
}

.footer-link {
  display: block;
  text-decoration: none;
  color: var(--gray-400);
  margin-bottom: var(--spacing-2);
  transition: var(--transition);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--gray-800);
  text-align: center;
}

.footer-copyright {
  color: var(--gray-500);
  font-size: 0.875rem;
}

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-description {
    font-size: 1.125rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .app-badges {
    flex-direction: column;
    align-items: stretch;
  }

  .app-badge {
    justify-content: center;
  }

  .cta-title {
    font-size: 2rem;
  }

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

  .step {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding-top: calc(72px + var(--spacing-12));
    padding-bottom: var(--spacing-12);
  }

  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .container {
    padding: 0 var(--spacing-4);
  }
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content,
.feature-card,
.testimonial-card,
.pricing-card {
  animation: fadeIn 0.6s ease-out;
}

/* Smooth scroll padding for fixed nav */
html {
  scroll-padding-top: 90px;
}