/*
Theme Name: Synaptigen - Peak Mental Clarity
Theme URI: https://synaptigen.com
Author: Synaptigen Team
Author URI: https://synaptigen.com
Description: Premium brain supplement landing page with Neurotech Minimalism design
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: synaptigen
Domain Path: /languages
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
*/

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: #1a1a2e;
  background-color: #ffffff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: #6b7280;
}

a {
  color: #1db8a1;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #0f5f7f;
}

/* ============================================
   COLOR PALETTE
   ============================================ */

:root {
  --primary: #0F5F7F;
  --secondary: #1DB8A1;
  --accent: #4ECDC4;
  --background: #FFFFFF;
  --background-light: #F0F4F8;
  --background-dark: #1A1A2E;
  --text-primary: #1A1A2E;
  --text-muted: #6B7280;
  --text-light: #FFFFFF;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --border: #E5E7EB;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 80px 0;
}

section.light-bg {
  background-color: var(--background-light);
}

section.dark-bg {
  background-color: var(--background-dark);
  color: var(--text-light);
}

/* ============================================
   NAVIGATION
   ============================================ */

nav.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.navbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.navbar-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.navbar-menu a {
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-menu a:hover {
  color: var(--secondary);
}

.navbar-cta {
  background-color: var(--secondary);
  color: var(--text-light);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.navbar-cta:hover {
  background-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(29, 184, 161, 0.3);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-light);
}

.btn-primary:hover {
  background-color: #0a4a63;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 95, 127, 0.3);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-light);
}

.btn-secondary:hover {
  background-color: #1a9b8a;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(29, 184, 161, 0.3);
}

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

.btn-outline:hover {
  background-color: var(--secondary);
  color: var(--text-light);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
  padding: 120px 0;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.hero-text h1 .highlight {
  color: var(--secondary);
}

.hero-text p {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-checklist {
  list-style: none;
  margin-bottom: 2rem;
}

.hero-checklist li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--text-primary);
}

.hero-checklist li:before {
  content: "✓";
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--secondary);
  color: white;
  border-radius: 50%;
  font-weight: bold;
  flex-shrink: 0;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ============================================
   CARDS & GRIDS
   ============================================ */

.grid {
  display: grid;
  gap: 2rem;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.card {
  background-color: var(--background);
  border-radius: 1rem;
  padding: 2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card-icon.primary {
  background-color: rgba(15, 95, 127, 0.1);
  color: var(--primary);
}

.card-icon.secondary {
  background-color: rgba(29, 184, 161, 0.1);
  color: var(--secondary);
}

.card-icon.accent {
  background-color: rgba(78, 205, 196, 0.1);
  color: var(--accent);
}

.card h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ============================================
   PRICING CARDS
   ============================================ */

.pricing-card {
  background-color: var(--background);
  border: 2px solid var(--border);
  border-radius: 1rem;
  padding: 2.5rem;
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--secondary);
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(29, 184, 161, 0.2);
}

.pricing-card.featured .badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--error);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.pricing-badge {
  display: inline-block;
  background-color: var(--background-light);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.pricing-badge.success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.pricing-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.pricing-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.pricing-card.featured .pricing-price {
  color: var(--secondary);
}

.pricing-per {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li:before {
  content: "✓";
  color: var(--secondary);
  font-weight: bold;
  margin-right: 0.75rem;
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonial-card {
  background-color: var(--background);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}

.stars {
  color: var(--warning);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.95rem;
}

/* ============================================
   SECTION TITLES
   ============================================ */

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-title p {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--background-dark);
  color: var(--text-light);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  color: var(--text-light);
}

.footer-section ul {
  list-style: none;
}

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

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade {
  animation: fadeIn 0.8s ease-out;
}

.animate-slide-left {
  animation: slideInLeft 0.8s ease-out;
}

.animate-slide-right {
  animation: slideInRight 0.8s ease-out;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.75rem; }
  h3 { font-size: 1.25rem; }

  section {
    padding: 50px 0;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-text h1 {
    font-size: 2rem;
  }

  .navbar-menu {
    display: none;
  }

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

  .pricing-card.featured {
    transform: scale(1);
  }

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

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }

  .container {
    padding: 0 15px;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

  .hero-text h1 {
    font-size: 1.5rem;
  }

  .pricing-price {
    font-size: 2rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

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

.text-secondary {
  color: var(--secondary);
}

.text-muted {
  color: var(--text-muted);
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

.hidden {
  display: none;
}

.flex {
  display: flex;
}

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }