/* CodexCore Landing Page - Main Stylesheet */

/* ===== Variables ===== */
:root {
  /* Colors */
  --bg-primary: #0a0a14;
  --bg-secondary: #12121f;
  --accent-primary: #03dac6;
  --accent-secondary: #6a3de8;
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-tertiary: rgba(255, 255, 255, 0.5);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #03dac6, #6a3de8);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  --gradient-dark: linear-gradient(135deg, rgba(10, 10, 20, 0.9), rgba(18, 18, 31, 0.9));
  
  /* Shadows */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 15px 35px rgba(0, 0, 0, 0.2);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* 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 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(106, 61, 232, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(3, 218, 198, 0.1) 0%, transparent 30%);
  background-attachment: fixed;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-normal);
}

ul, ol {
  list-style: none;
}

img, video {
  max-width: 100%;
  height: auto;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

/* ===== Layout & Container ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

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

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Glassmorphism Effects ===== */
.glass {
  background: var(--gradient-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glass);
  border-radius: var(--radius-md);
}

.glass-card {
  padding: 2rem;
  height: 100%;
  transition: var(--transition-normal);
  transform-style: preserve-3d;
  perspective: 1000px;
}

.glass-card:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
  box-shadow: var(--shadow-lg);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
  border-radius: inherit;
  pointer-events: none;
  z-index: 1;
}

.glass-button {
  background: var(--gradient-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.glass-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  opacity: 0;
  transition: var(--transition-normal);
  z-index: -1;
}

.glass-button:hover::before {
  opacity: 0.2;
}

.glass-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ===== 3D Effects ===== */
.scene {
  perspective: 1000px;
  position: relative;
}

.cube {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transform: rotateX(0deg) rotateY(0deg);
  transition: transform 1s ease;
}

.cube-face {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
}

.cube-face-front {
  transform: translateZ(50px);
}

.cube-face-back {
  transform: rotateY(180deg) translateZ(50px);
}

.cube-face-right {
  transform: rotateY(90deg) translateZ(50px);
}

.cube-face-left {
  transform: rotateY(-90deg) translateZ(50px);
}

.cube-face-top {
  transform: rotateX(90deg) translateZ(50px);
}

.cube-face-bottom {
  transform: rotateX(-90deg) translateZ(50px);
}

/* ===== Header & Navigation ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
}

.header.scrolled {
  background: rgba(10, 10, 20, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: var(--shadow-sm);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo span {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-normal);
}

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

.nav-link.active {
  font-weight: 600;
}

.nav-cta {
  background: var(--gradient-primary);
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  transition: var(--transition-normal);
}

.nav-cta:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 8rem 0 6rem;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 30%, rgba(106, 61, 232, 0.15) 0%, transparent 30%),
    radial-gradient(circle at 80% 70%, rgba(3, 218, 198, 0.1) 0%, transparent 30%);
  z-index: -1;
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-image {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 50%;
  max-width: 700px;
  z-index: 1;
}

.hero-glass-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-glass);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

/* ===== Features Section ===== */
.features {
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.feature-card {
  position: relative;
  z-index: 1;
}

.feature-icon {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  color: var(--text-primary);
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

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

/* ===== Industries Section ===== */
.industries {
  position: relative;
}

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

.industry-card {
  position: relative;
  overflow: hidden;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.industry-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-size: cover;
  background-position: center;
  transition: var(--transition-normal);
}

.industry-card:hover .industry-bg {
  transform: scale(1.05);
}

.industry-content {
  background: linear-gradient(to top, rgba(10, 10, 20, 0.9), transparent);
  padding: 2rem;
}

.industry-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.industry-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ===== Video Section ===== */
.video-section {
  position: relative;
  overflow: hidden;
}

.video-container {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.video-placeholder {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.video-placeholder img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-normal);
}

.play-button:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: var(--shadow-md);
}

/* ===== CTA Section ===== */
.cta {
  position: relative;
  overflow: hidden;
}

.cta-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.cta p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.cta-button {
  padding: 1rem 2rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.cta-button:first-child {
  background: var(--gradient-primary);
  color: var(--text-primary);
}

.cta-button.accent {
  background: transparent;
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* ===== Footer ===== */
.footer {
  background-color: var(--bg-secondary);
  padding: 5rem 0 2rem;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 10% 90%, rgba(106, 61, 232, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 90% 10%, rgba(3, 218, 198, 0.05) 0%, transparent 20%);
  z-index: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
  position: relative;
  z-index: 1;
}

.footer-about p {
  color: var(--text-secondary);
  margin: 1rem 0;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-normal);
}

.social-link:hover {
  background: var(--gradient-primary);
  transform: translateY(-3px);
}

.footer-nav h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition-normal);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.copyright {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

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

.footer-bottom-links a {
  color: var(--text-tertiary);
  font-size: 0.9rem;
  transition: var(--transition-normal);
}

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

/* ===== Animations ===== */
@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

@keyframes pulse {
  0% {
    opacity: 0.6;
    transform: scale(0.9);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0.6;
    transform: scale(0.9);
  }
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-pulse {
  animation: pulse 3s ease-in-out infinite;
}

.animate-rotate {
  animation: rotate 20s linear infinite;
}

/* ===== Particles ===== */
.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.3;
  pointer-events: none;
}

/* ===== Image Placeholders ===== */
.image-placeholder {
  background: rgba(30, 30, 50, 0.7);
  border: 2px dashed rgba(3, 218, 198, 0.5);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  margin: 20px 0;
}

.placeholder-text {
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.placeholder-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 90%;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1200px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-image {
    width: 45%;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .hero {
    padding: 7rem 0 5rem;
  }
  
  .hero-content {
    max-width: 100%;
    text-align: center;
    margin: 0 auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .hero-image {
    position: relative;
    top: auto;
    right: auto;
    transform: none;
    width: 80%;
    margin: 3rem auto 0;
    max-width: 500px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 2rem;
    transition: var(--transition-normal);
    z-index: 1000;
  }
  
  .nav-menu.active {
    right: 0;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-link {
    width: 100%;
    padding: 1rem 0;
  }
  
  .nav-cta {
    margin-top: 1rem;
    width: 100%;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .cta h2 {
    font-size: 2rem;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .container {
    padding: 0 1.5rem;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }
  
  .feature-card {
    text-align: center;
  }
  
  .feature-icon {
    margin: 0 auto 1.5rem;
  }
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.mt-1 {
  margin-top: 0.5rem;
}

.mt-2 {
  margin-top: 1rem;
}

.mt-3 {
  margin-top: 1.5rem;
}

.mt-4 {
  margin-top: 2rem;
}

.mt-5 {
  margin-top: 3rem;
}