/* Ava Website - Squarespace Circle Inspired Styles */

/* Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F9FA;
  --text-primary: #1a1a1a;
  --text-secondary: #4a5568;
  --text-muted: #6b7280;
  --accent-primary: #2A7F8F;
  --accent-secondary: #C49B66;
  --border-color: #e5e7eb;
  --shadow-light: 0 2px 12px rgba(0, 0, 0, 0.05);
  --shadow-medium: 0 4px 24px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
  --max-width: 1200px;
  --section-padding: 80px 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  font-size: 16px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  font-family: 'Inter', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Inter', sans-serif;
  line-height: 1.3;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 500;
}

h5 {
  font-size: 1.125rem;
  font-weight: 500;
}

h6 {
  font-size: 1rem;
  font-weight: 500;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

.lead {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.lead-large {
  font-size: 1.4rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.6;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto;
}

/* Containers */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: var(--section-padding);
}

.section-center {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f0f0f0' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 400;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 16px 32px;
  border: none;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 16px;
  gap: 10px;
}

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

.btn-primary:hover {
  background: #246670;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

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

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

/* Cards */
.card {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 30px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Mode Grid for Conversation Modes */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.mode-card {
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.mode-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* Features */
.features-grid {
  margin-top: 60px;
}

.feature-card {
  text-align: center;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--accent-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: white;
  font-size: 24px;
}

/* Table Styles */
.table-container {
  overflow-x: auto;
  margin: 40px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-light);
}

th, td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-primary);
}

tr:last-child td {
  border-bottom: none;
}

/* Scenarios */
.scenario {
  margin-bottom: 50px;
  padding: 40px;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-primary);
}

.scenario h3 {
  color: var(--accent-primary);
  margin-bottom: 15px;
}

/* Contact Form */
.contact-form {
  max-width: 700px;
  margin: 0 auto;
  background: var(--bg-secondary);
  padding: 50px;
  border-radius: var(--border-radius);
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 16px;
  transition: border-color 0.3s ease;
  background: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.mb-large {
  margin-bottom: 60px;
}

.mb-medium {
  margin-bottom: 40px;
}

.mb-small {
  margin-bottom: 20px;
}

.mt-large {
  margin-top: 60px;
}

.accent-text {
  color: var(--accent-primary);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --section-padding: 60px 0;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-medium);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    min-height: 80vh;
    padding: 100px 0 60px;
  }

  .hero-content div[style*="display: flex"] {
    flex-direction: column;
    gap: 30px;
  }

  .hero-content div[style*="flex: 1"] {
    min-width: auto;
  }

  .container {
    padding: 0 15px;
  }

  .card {
    padding: 30px 20px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 40px 25px;
  }

  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  /* Image responsive adjustments */
  img[style*="max-width: 100%"] {
    max-width: 100% !important;
    height: auto !important;
  }

  /* Flex containers on mobile */
  div[style*="display: flex"] {
    flex-direction: column !important;
    text-align: center !important;
  }

  div[style*="flex: 1"] {
    min-width: auto !important;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 14px 24px;
    font-size: 14px;
  }

  .scenario {
    padding: 25px 20px;
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
}