/* ===================================
   EXABYTE STUDIO - WEBSITE STYLES
   Professional, Tech-Focused Dark Theme
   =================================== */

/* === CSS VARIABLES === */
:root {
  /* Colors - Gold + Purple + Dark */
  --color-gold-primary: #FFB300;
  --color-gold-light: #FFD54F;
  --color-gold-dark: #FF8F00;
  --color-purple-primary: #7E57C2;
  --color-purple-dark: #4D0099;
  --color-purple-light: #B388FF;

  /* Neutrals */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #1a1a1a;
  --color-bg-tertiary: #252525;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #707070;

  /* Gradients */
  --gradient-gold-purple: linear-gradient(135deg, var(--color-gold-primary), var(--color-purple-primary));
  --gradient-purple-dark: linear-gradient(135deg, var(--color-purple-primary), var(--color-purple-dark));

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Consolas", monospace;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(255, 179, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === RESET & BASE === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  overflow-y: auto; /* Enable vertical scrolling */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  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); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-gold-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-gold-light);
}

/* === UTILITIES === */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

/* === NAVIGATION === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo a {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-gold-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.logo-sub {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 2px;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--color-gold-primary);
}

.nav-link.nav-cta {
  background: var(--gradient-gold-purple);
  color: var(--color-text-primary);
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-md);
}

.nav-link.nav-cta:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background: var(--color-text-primary);
  transition: all var(--transition-fast);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .nav-toggle {
    display: flex;
  }
}

/* === HERO SECTION === */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000;
  /* Will scroll up naturally when page scrolls */
}

.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* Hero content section appears after particle zoom */
.hero-content-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  padding: var(--spacing-xl) var(--spacing-md);
}

.hero-content-section .hero-text {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.375rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-gold-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 10;
  animation: float 3s ease-in-out infinite;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--color-gold-primary));
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-10px); }
}

@keyframes scroll-line {
  0% { opacity: 0; transform: translateY(-20px); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateY(20px); }
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-gold-purple);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary:hover {
  background: rgba(255, 179, 0, 0.1);
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
}

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

/* === SECTIONS === */
.section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
}

.section-title {
  margin-bottom: var(--spacing-sm);
}

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

/* === FEATURES GRID === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature-card {
  background: var(--color-bg-secondary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-gold-purple);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 179, 0, 0.3);
  box-shadow: var(--shadow-md);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-gold-purple);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-text-primary);
}

.feature-card h3 {
  font-size: 1.375rem;
  margin-bottom: var(--spacing-sm);
}

.feature-card p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* === CAPABILITIES LIST === */
.capabilities-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.capability-item {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-normal);
}

.capability-item:hover {
  border-color: rgba(255, 179, 0, 0.2);
  box-shadow: var(--shadow-md);
}

.capability-content {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.capability-number {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-gold-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.3;
}

.capability-info h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.capability-info p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: rgba(255, 179, 0, 0.1);
  color: var(--color-gold-primary);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid rgba(255, 179, 0, 0.2);
}

/* === ARCHITECTURE SECTION === */
.architecture-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.architecture-text {
  padding-right: var(--spacing-md);
}

.architecture-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.architecture-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.arch-feature {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
}

.arch-icon {
  width: 24px;
  height: 24px;
  background: var(--gradient-gold-purple);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.arch-feature strong {
  display: block;
  margin-bottom: 0.25rem;
}

.arch-feature p {
  font-size: 0.9375rem;
  margin: 0;
}

.architecture-diagram {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.layer {
  background: var(--color-bg-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: all var(--transition-normal);
}

.layer:hover {
  border-color: var(--color-gold-primary);
  transform: translateX(8px);
}

.layer-num {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.layer-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.layer-sub {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.layer-bottom {
  background: var(--gradient-purple-dark);
  border-color: var(--color-purple-primary);
}

.layer-arrow {
  text-align: center;
  color: var(--color-gold-primary);
  font-size: 1.5rem;
  line-height: 0.5;
}

@media (max-width: 768px) {
  .architecture-content {
    grid-template-columns: 1fr;
  }
}

/* === CTA SECTION === */
.section-cta {
  background: var(--gradient-purple-dark);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--spacing-sm);
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
}

/* === CONTACT SECTION === */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.contact-card {
  background: var(--color-bg-primary);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
  transition: all var(--transition-normal);
}

.contact-card:hover {
  border-color: var(--color-gold-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-gold-primary);
}

.contact-card p {
  color: var(--color-text-secondary);
  margin: 0;
}

.contact-card a {
  color: var(--color-text-primary);
  font-weight: 500;
}

.contact-card a:hover {
  color: var(--color-gold-light);
}

/* === FOOTER === */
.footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-tagline {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

.footer-column h4 {
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
}

.footer-column a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-xs);
  transition: all var(--transition-fast);
}

.footer-column a:hover {
  color: var(--color-gold-primary);
  padding-left: var(--spacing-xs);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
  }

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  :root {
    --spacing-xl: 4rem;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 3rem;
  }

  .hero-stats {
    gap: var(--spacing-md);
  }

  .stat-number {
    font-size: 2rem;
  }

  .capability-content {
    flex-direction: column;
  }

  .capability-number {
    font-size: 2rem;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* === SCROLLBAR STYLING === */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-bg-tertiary);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gold-primary);
}