/*
Theme Name: Codexis Studio
Theme URI: https://codexis.studio
Author: Codexis.studio
Author URI: https://codexis.studio
Description: Modern, high-performance landing page and documentation hub for Codexis.studio mobile applications. Dark-mode first design with smooth animations.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: codexis-studio
Tags: dark-mode, mobile-apps, portfolio, modern, responsive
*/

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

:root {
  --background: #0a0a0f;
  --foreground: #fafafa;
  --primary: #3b82f6;
  --primary-foreground: #1e293b;
  --secondary: #1e293b;
  --secondary-foreground: #fafafa;
  --muted: #1e293b;
  --muted-foreground: #94a3b8;
  --accent: #1e293b;
  --accent-foreground: #fafafa;
  --border: rgba(255, 255, 255, 0.1);
  --radius: 0.5rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

@media (min-width: 768px) {
  h1 { font-size: 4.5rem; }
  h2 { font-size: 3rem; }
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--foreground);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);
  color: white;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 1rem;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #a78bfa 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-menu a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.nav-menu a:hover {
  color: var(--foreground);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0.5rem;
  min-width: 12rem;
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  list-style: none;
  padding: 0.5rem 0;
}

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

.dropdown-menu li a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.dropdown-menu li a:hover {
  color: var(--foreground);
  background-color: var(--muted);
}

.mobile-menu-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .mobile-menu-toggle {
    display: none;
  }
}

/* Hero Section */
.hero-section {
  padding: 6rem 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 8rem 1rem;
  }
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4.5rem;
  }
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #fb923c 0%, #fbbf24 50%, #fb923c 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .hero-subtitle {
    font-size: 1.5rem;
  }
}

/* Sections */
.section {
  padding: 6rem 1rem;
}

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

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title h2 {
    font-size: 3rem;
  }
}

.section-title p {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 42rem;
  margin: 0 auto;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 64rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 2rem;
  background: rgba(30, 41, 59, 0.3);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--foreground);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.card-icon {
  display: inline-flex;
  padding: 0.75rem;
  border-radius: 0.75rem;
  background: rgba(139, 92, 246, 0.2);
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 2rem;
  height: 2rem;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: rgba(30, 41, 59, 0.3);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1rem 1.5rem;
  text-align: left;
  background: none;
  border: none;
  color: var(--foreground);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: rgba(30, 41, 59, 0.5);
}

.faq-answer {
  padding: 0 1.5rem 1rem;
  color: var(--muted-foreground);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

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

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: rgba(30, 41, 59, 0.3);
  padding: 3rem 1rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 64rem;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

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

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* App Cards */
.app-card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
  background: rgba(30, 41, 59, 0.3);
  transition: all 0.3s ease;
  display: block;
}

.app-card:hover {
  border-color: var(--foreground);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  transform: translateY(-4px);
}

.app-card h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.app-card:hover h2 {
  color: var(--primary);
}

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

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

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}