/* ==========================================================================
   Base Styles & Variables
   ========================================================================== */

:root {
  /* Primary Colors */
  --primary-green: #4CAF50;
  --primary-dark: #388E3C;
  --primary-light: #81C784;
  
  /* Secondary Colors */
  --secondary-blue: #2196F3;
  --secondary-dark: #1976D2;
  --secondary-light: #64B5F6;
  
  /* Accent */
  --accent-orange: #FF9800;
  --accent-orange-dark: #F57C00;
  
  /* Neutrals */
  --white: #FFFFFF;
  --black: #000000;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  
  /* Semantic Colors */
  --success: #4CAF50;
  --error: #F44336;
  --warning: #FF9800;
  --info: #2196F3;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4CAF50 0%, #2196F3 100%);
  --gradient-hero: linear-gradient(135deg, #f0fdf4 0%, #e0f2fe 100%);
  
  /* Shadows */
  --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-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Spacing */
  --spacing-xs: 0.5rem;    /* 8px */
  --spacing-sm: 1rem;      /* 16px */
  --spacing-md: 1.5rem;    /* 24px */
  --spacing-lg: 2rem;      /* 32px */
  --spacing-xl: 3rem;      /* 48px */
  --spacing-2xl: 4rem;     /* 64px */
  --spacing-3xl: 6rem;     /* 96px */
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Typography */
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Container */
  --container-max-width: 1200px;
  
  /* Header Height */
  --header-height: 80px;
}

/* ==========================================================================
   Reset & Global Styles
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  color: var(--gray-800);
  line-height: 1.5;
  background-color: var(--gray-50);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul, ol {
  list-style: none;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-900);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 500; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-600);
}

.text-large { font-size: 1.125rem; }
.text-small { font-size: 0.875rem; }
.text-caption { font-size: 0.75rem; color: var(--gray-500); }

.text-center { text-align: center; }
.text-primary { color: var(--primary-green); }
.font-semibold { font-weight: 600; }

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-xs);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-600);
}

.bg-white { background-color: var(--white); }
.bg-gray { background-color: var(--gray-50); }

/* ==========================================================================
   Components
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 12px 32px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--primary-green);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: var(--white);
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
  background: var(--primary-green);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--gray-800);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--gray-800);
  color: var(--gray-900);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.125rem;
}

.btn-full {
  width: 100%;
}

.store-badge {
  display: inline-block;
  height: 50px;
  transition: transform 0.3s ease;
}

.store-badge:hover {
  transform: translateY(-2px);
}

.store-badge img {
  height: 100%;
  width: auto;
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  border: 1px solid var(--gray-100);
  height: 100%;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.card-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-hero);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary-green);
  margin-bottom: var(--spacing-md);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--primary-light);
  color: var(--primary-dark);
}

.badge-accent {
  background-color: #ffd8a8;
  color: var(--accent-orange-dark);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
  height: 70px;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
}

.nav-logo img {
  height: 32px;
  width: auto;
}

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

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-green);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-green);
  transition: width 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-800);
  cursor: pointer;
}

/* ==========================================================================
   Specific Sections
   ========================================================================== */

/* Hero */
.hero {
  padding-top: calc(var(--header-height) + var(--spacing-2xl));
  padding-bottom: var(--spacing-3xl);
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.hero-checks {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-checks span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-600);
  font-weight: 500;
}

.hero-checks i {
  color: var(--primary-green);
}

.hero-image {
  position: relative;
  z-index: 1;
}

.hero-image img {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  filter: drop-shadow(0 25px 35px rgba(0, 0, 0, 0.1));
}

/* Trust Bar */
.trust-bar {
  background-color: var(--white);
  padding: var(--spacing-lg) 0;
  border-bottom: 1px solid var(--gray-200);
}

.trust-inner {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--gray-700);
}

.trust-item i, .trust-item span.star {
  color: var(--accent-orange);
  font-size: 1.25rem;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  position: relative;
}

.step-card {
  text-align: center;
  position: relative;
  z-index: 2;
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.step-icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary-light);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin: 0 auto var(--spacing-md);
  position: relative;
}

.step-icon::after {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border: 2px dashed var(--primary-green);
  border-radius: 50%;
  opacity: 0.3;
}

/* Features Grid */
.features-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* Screenshots Showcase */
.screenshots-showcase {
  background: var(--gradient-hero);
  overflow: hidden;
}

.swiper-container {
  width: 100%;
  padding: 40px 0;
}

.screenshot-slide {
  width: 280px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.swiper-slide-active .screenshot-slide {
  transform: scale(1);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.testimonial-card {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

.testimonial-rating {
  color: var(--accent-orange);
  margin-bottom: var(--spacing-sm);
}

.testimonial-quote {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--gray-200);
}

.author-info h5 {
  margin: 0;
  font-size: 1rem;
}

.author-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* Pricing Preview */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  padding: var(--spacing-xl) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.premium {
  border: 2px solid var(--primary-green);
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
  z-index: 2;
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-green);
  color: var(--white);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--gray-900);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.pricing-price span {
  font-size: 1rem;
  color: var(--gray-500);
  font-weight: 400;
}

.pricing-features {
  flex-grow: 1;
  margin-bottom: var(--spacing-lg);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--gray-700);
}

.pricing-features i {
  color: var(--primary-green);
}

.pricing-features li.disabled {
  color: var(--gray-400);
}

.pricing-features li.disabled i {
  color: var(--gray-400);
}

/* Final CTA */
.final-cta {
  background: var(--gradient-primary);
  color: var(--white);
  text-align: center;
}

.final-cta h2, .final-cta p {
  color: var(--white);
}

.final-cta .btn-secondary {
  border-color: var(--white);
}

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

.site-footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding-top: var(--spacing-3xl);
}

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

.footer-col h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-logo img {
  height: 32px;
  filter: brightness(0) invert(1);
}

.footer-desc {
  color: var(--gray-400);
  margin-bottom: var(--spacing-md);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--white);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--primary-green);
  transform: translateY(-3px);
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-400);
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  padding: var(--spacing-lg) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--gray-500);
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a:hover {
  color: var(--white);
}

/* Scroll to Top */
#scrollToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-green);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
}

#scrollToTop.visible {
  opacity: 1;
  visibility: visible;
}

#scrollToTop:hover {
  background-color: var(--primary-dark);
  transform: translateY(-3px);
}

/* Pages - Features, FAQ, Pricing */
.page-hero {
  padding-top: calc(var(--header-height) + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  background: var(--gradient-hero);
  text-align: center;
}

.page-hero h1 {
  margin-bottom: var(--spacing-sm);
}

/* Miscellaneous utility classes used across secondary pages */
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mt-2 { margin-top: var(--spacing-md); }