/* --- MODERN TECH THEME CONFIGURATION --- */
:root {
  /* Primary Brand Colors */
  --primary-hue: 20;
  --primary: hsl(var(--primary-hue), 90%, 55%);      /* #f46a25 */
  --primary-dark: hsl(var(--primary-hue), 90%, 45%); /* #da520e */
  --primary-light: hsl(var(--primary-hue), 100%, 70%);
  
  /* Accents & Glows */
  --glow-strength: 0.6;
  --primary-glow: hsla(var(--primary-hue), 100%, 50%, var(--glow-strength));
  --primary-glow-subtle: hsla(var(--primary-hue), 100%, 50%, 0.15);

  /* Base Monochrome */
  --bg-deep: #05060a;       /* Deepest background */
  --bg-surface: #0e1016;    /* Surface background */
  --bg-glass: rgba(14, 16, 22, 0.6);
  --bg-glass-strong: rgba(14, 16, 22, 0.85);
  
  /* Text Colors */
  --text-main: #ffffff;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;

  /* Borders & Glass */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);

  /* Fonts */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", monospace;
  
  /* Transitions */
  --ease-out-expo: cubic-bezier(0.19, 1, 0.22, 1);
  --transition-base: 0.3s var(--ease-out-expo);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Cyber Grid Background */
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  background-attachment: fixed;
}

/* Ambient Light Blobs */
body::before, body::after {
  content: "";
  position: fixed;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.15;
  z-index: -1;
  animation: floatOrb 20s infinite alternate ease-in-out;
}
body::before {
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  top: -20%;
  left: -10%;
}
body::after {
  background: radial-gradient(circle, #3b82f6 0%, transparent 70%); /* Subtle blue contrast */
  bottom: -20%;
  right: -10%;
  animation-delay: -10s;
  opacity: 0.1;
}

/* Canvas for clean particles */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.8;
}

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

img {
  max-width: 100%;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

/* --- COMPONENTS --- */

/* Glass Panel Util */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.25s var(--ease-out-expo);
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 4px 20px rgba(234, 88, 12, 0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(234, 88, 12, 0.4), inset 0 1px 0 rgba(255,255,255,0.2);
  filter: brightness(1.1);
}

.btn-outline {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* --- HEADER --- */
header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 50;
  padding: 1.25rem 2rem;
  transition: 0.3s;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  border-radius: 9999px; /* Pill shape */
  background: var(--bg-glass-strong);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: #fff;
}

.brand-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: #fff;
}

.nav-links a:hover::after {
  width: 100%;
}

.lang-switch {
  background: transparent;
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: 0.2s;
  margin-left: 1rem;
}

.lang-switch:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(234, 88, 12, 0.05);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 5% 80px;
  z-index: 10;
  overflow: hidden;
}

.hero-container {
  max-width: 1400px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  text-align: left;
  animation: fadeInLeft 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(234, 88, 12, 0.1);
  border: 1px solid rgba(234, 88, 12, 0.2);
  border-radius: 99px;
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 2rem;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary);
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: 4.5rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #94a3b8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero h1 span {
  display: block;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 40px var(--primary-glow));
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 90%;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-visual-3d {
  position: relative;
  width: 100%;
  height: auto;
  /* Combine entrance and float animations */
  animation: fadeInRight 1.2s ease-out, floatImg 8s infinite ease-in-out;
  display: grid;
  place-items: center; /* Center content */
  perspective: 1000px; /* Enable 3D space */
}

.hero-visual-3d img {
  grid-area: 1 / 1; /* Stack images on top of each other */
  width: 100%;
  max-width: 650px;
  height: auto;
  filter: drop-shadow(0 20px 80px rgba(234, 88, 12, 0.25));
  border-radius: 20px;
  backface-visibility: hidden; /* Hide back of images */
  transform-style: preserve-3d;
}

.visual-base {
  animation: flipBase 10s infinite;
}

.visual-overlay {
  animation: flipOverlay 10s infinite;
}

/* Toggle Animations (Flip) */
@keyframes flipBase {
  0%, 45% { transform: rotateY(0deg); }
  50%, 95% { transform: rotateY(180deg); }
  100% { transform: rotateY(360deg); }
}

@keyframes flipOverlay {
  0%, 45% { transform: rotateY(180deg); }
  50%, 95% { transform: rotateY(360deg); }
  100% { transform: rotateY(540deg); }
}

/* --- VIDEO SECTION --- */
.video-section {
  padding: 4rem 5%;
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
}

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  background: #000; /* Fallback for loading */
  border: 1px solid var(--border-glass-hover);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* --- FEATURES SECTION (Zig Zag) --- */
.features-section {
  padding: 8rem 5%;
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 6rem;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.2rem;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 8rem;
}

.feature-row.reverse {
  direction: rtl; /* Layout hack for visual reverse */
}
.feature-row.reverse > * {
  direction: ltr; /* Reset text direction */
}

.feature-content {
  padding: 2rem;
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  background: rgba(234, 88, 12, 0.1);
  border: 1px solid var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  box-shadow: 0 0 20px var(--primary-glow-subtle);
}

.feature-content h3 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #fff;
}

.feature-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.feature-image {
  position: relative;
}

.feature-image img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--border-glass);
  box-shadow: 0 20px 50px -10px rgba(0,0,0,0.5);
  transition: transform 0.4s var(--ease-out-expo);
}

.feature-image:hover img {
  transform: scale(1.02);
  border-color: var(--primary);
  box-shadow: 0 30px 60px -15px rgba(234, 88, 12, 0.15);
}

/* --- TECH STACK SECTION --- */
.tech-stack-wrapper {
  margin-top: 8rem;
}

.tech-header-small {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  opacity: 0.8;
}

.tech-header-small .line {
  height: 1px;
  width: 40px;
  background: var(--border-glass-hover);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.tech-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
  border: 1px solid var(--border-glass);
  padding: 2rem 1.5rem;
  border-radius: 16px;
  transition: all 0.3s var(--ease-out-expo);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Subtle inner glow on hover */
.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: radial-gradient(circle at top, rgba(234, 88, 12, 0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tech-card:hover {
  border-color: rgba(234, 88, 12, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.5);
}

.tech-card:hover::before {
  opacity: 1;
}

.tech-icon {
  font-size: 3rem;
  margin-bottom: 1.25rem;
  /* Simple float animation for icon on hover */
  transition: transform 0.3s var(--ease-out-expo);
  position: relative;
  z-index: 2;
}

.tech-card:hover .tech-icon {
  transform: scale(1.1) rotate(5deg);
}

.tech-info {
  position: relative;
  z-index: 2;
}

.tech-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
  color: var(--text-main);
  font-weight: 700;
}

.tech-info p {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--border-glass);
  padding: 4rem 2rem;
  text-align: center;
  background: var(--bg-surface);
  position: relative;
  z-index: 10;
}

footer p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

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

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

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

@keyframes floatImg {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(60px, 40px) scale(1.1); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(234, 88, 12, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(234, 88, 12, 0); }
  100% { box-shadow: 0 0 0 0 rgba(234, 88, 12, 0); }
}

.hidden {
  display: none !important;
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3.5rem; }
  .feature-row { gap: 2rem; }
}

@media (max-width: 768px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { animation: fadeInUp 0.8s; text-align: center; }
  .hero p { margin: 0 auto 2rem; }
  .hero-visual-3d { display: none; /* Hide 3D graphic on mobile to save space or adjust */ }
  .feature-row, .feature-row.reverse { 
    grid-template-columns: 1fr; 
    direction: ltr; /* Reset visual styling */
    gap: 3rem;
  }
  .feature-content { padding: 0; text-align: center; }
  .feature-icon-box { margin: 0 auto 1.5rem; }
  .header-container { width: 95%; padding: 0.75rem 1rem; }
  .nav-links a { display: none; }
}