/* ============================================
   Fiamora Landing Page - Design System
   ============================================ */

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
  /* Brand Colors - Matching Fiamora App */
  --primary-teal: #0891B2;
  --primary-dark: #0E7490;
  --secondary-gray: #4A4A4A;
  --accent-gray: #6B7280;
  --charcoal: #111827;
  
  /* Neutral Colors */
  --white: #FFFFFF;
  --light-gray: #F8F9FA;
  --gray: #6C757D;
  --dark-gray: #343A40;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-dark) 100%);
  --gradient-hero: linear-gradient(135deg, var(--primary-teal) 0%, #0E7490 100%);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Poppins', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--charcoal);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1rem, 2vw, 1.125rem);
}

/* ============================================
   Layout Components
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

.section-subtitle {
  text-align: center;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--charcoal);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><circle cx="100" cy="100" r="50" fill="rgba(255,255,255,0.05)"/><circle cx="900" cy="400" r="80" fill="rgba(255,255,255,0.03)"/><circle cx="1100" cy="150" r="60" fill="rgba(255,255,255,0.04)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.4s both;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: var(--font-body);
}

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

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

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

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

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

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ============================================
   Features Section
   ============================================ */
.features {
  background: var(--light-gray);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--charcoal);
}

.feature-description {
  color: var(--gray);
  font-size: 0.95rem;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
  background: var(--white);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-sm);
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.step-description {
  color: var(--gray);
}

/* ============================================
   Waitlist Section
   ============================================ */
.waitlist {
  background: var(--gradient-primary);
  color: var(--white);
}

.waitlist .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.waitlist-form {
  max-width: 500px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: var(--radius-full);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.form-submit {
  width: 100%;
}

.form-message {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  text-align: center;
  display: none;
}

.form-message.success {
  background: rgba(255, 255, 255, 0.2);
  display: block;
}

.form-message.error {
  background: rgba(230, 57, 70, 0.3);
  display: block;
}

.privacy-note {
  font-size: 0.875rem;
  text-align: center;
  margin-top: var(--spacing-sm);
  opacity: 0.9;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
  background: var(--light-gray);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  font-family: var(--font-heading);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--charcoal);
  transition: var(--transition-fast);
}

.faq-question:hover {
  color: var(--primary-teal);
}

.faq-icon {
  transition: var(--transition-fast);
  font-size: 1.5rem;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer-content {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--gray);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--charcoal);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

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

.footer-section h3 {
  margin-bottom: var(--spacing-sm);
  font-size: 1.25rem;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-xs);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-teal);
}

.social-links {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--primary-teal);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Legal Pages
   ============================================ */
.legal-page {
  padding-top: 100px;
  min-height: 100vh;
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.legal-content h1 {
  margin-bottom: var(--spacing-md);
}

.legal-content h2 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.legal-content h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  font-size: 1.25rem;
}

.legal-content p {
  margin-bottom: var(--spacing-sm);
}

.legal-content ul, .legal-content ol {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
}

.last-updated {
  color: var(--gray);
  font-style: italic;
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-normal);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps-container {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .social-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}