/* ===================================================
   AVS RAJU – Digital Infrastructure Legacy Experience
   Design System & Core Styles
   =================================================== */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* ── Design Tokens ── */
:root {
  /* Primary Palette */
  --color-bg-deep: #050810;
  --color-bg-primary: #0a0e1a;
  --color-bg-secondary: #0d1225;
  --color-bg-tertiary: #111631;
  --color-bg-card: rgba(13, 18, 37, 0.85);
  --color-bg-glass: rgba(10, 14, 26, 0.7);

  /* Accent Colors */
  --color-neon-blue: #00d4ff;
  --color-neon-green: #00ff88;
  --color-neon-cyan: #00e5ff;
  --color-electric: #3a86ff;
  --color-gold: #ffd700;
  --color-amber: #ff9500;
  --color-steel: #2a2d3a;
  --color-concrete: #1a1d2e;

  /* Text */
  --color-text-primary: #e8ecf4;
  --color-text-secondary: rgba(232, 236, 244, 0.7);
  --color-text-muted: rgba(232, 236, 244, 0.4);
  --color-text-accent: var(--color-neon-blue);

  /* Borders */
  --color-border: rgba(0, 212, 255, 0.15);
  --color-border-glow: rgba(0, 212, 255, 0.3);

  /* Typography */
  --font-display: 'Orbitron', monospace;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Layout */
  --max-width: 1400px;
  --nav-height: 80px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
  --shadow-glow-strong: 0 0 40px rgba(0, 212, 255, 0.25);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg-deep);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-neon-blue);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-neon-green);
}

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

ul, ol {
  list-style: none;
}

/* ── Blueprint Grid Background ── */
.blueprint-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(rgba(0, 212, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.015) 1px, transparent 1px);
  background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  animation: gridPulse 8s ease-in-out infinite;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ── Floating Particles ── */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--color-neon-blue);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat linear infinite;
}

.particle:nth-child(odd) {
  background: var(--color-neon-green);
}

@keyframes particleFloat {
  0% { transform: translateY(100vh) translateX(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-10vh) translateX(100px); opacity: 0; }
}

/* ── Navigation ── */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  background: rgba(5, 8, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.main-nav.scrolled {
  background: rgba(5, 8, 16, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-icon {
  width: 42px;
  height: 42px;
  border: 2px solid var(--color-neon-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: rgba(0, 212, 255, 0.1);
}

.nav-logo-icon span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-neon-blue);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--color-text-primary);
  text-transform: uppercase;
}

.nav-logo-text .highlight {
  color: var(--color-neon-blue);
}

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

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 8px 0;
  position: relative;
  transition: var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-green));
  transition: var(--transition-smooth);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-neon-blue);
}

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

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-neon-blue);
  transition: var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Page Content Wrapper ── */
.page-content {
  padding-top: var(--nav-height);
}

/* ── Sections ── */
.section {
  padding: var(--space-3xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
  position: relative;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--color-neon-green);
  margin-bottom: var(--space-sm);
  display: inline-block;
  padding: 6px 20px;
  border: 1px solid rgba(0, 255, 136, 0.2);
  background: rgba(0, 255, 136, 0.05);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.section-title .accent {
  color: var(--color-neon-blue);
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

.section-line {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-green));
  margin: var(--space-md) auto 0;
  position: relative;
}

.section-line::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  background: var(--color-neon-blue);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(5, 8, 16, 0.4) 0%,
    rgba(5, 8, 16, 0.7) 50%,
    rgba(5, 8, 16, 0.95) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 1000px;
  padding: 0 var(--space-lg);
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--color-neon-green);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.5s;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.8s;
}

.hero-title .line {
  display: block;
}

.hero-title .glow {
  color: var(--color-neon-blue);
  text-shadow: 0 0 40px rgba(0, 212, 255, 0.4), 0 0 80px rgba(0, 212, 255, 0.1);
}

.hero-tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1.1s;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 36px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-green));
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1.4s;
  transition: var(--transition-smooth);
}

.hero-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 40px rgba(0, 212, 255, 0.3);
  color: var(--color-bg-deep);
}

.hero-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: 0.6s;
}

.hero-cta:hover::before {
  left: 100%;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 1.8s;
}

.hero-scroll-indicator span {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 3px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--color-neon-blue), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ── Cards ── */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-green));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition-smooth);
}

.card:hover {
  border-color: var(--color-border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  font-size: 1.5rem;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* ── Animated Counter ── */
.stat-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  position: relative;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-neon-blue);
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ── Timeline ── */
.timeline {
  position: relative;
  padding: var(--space-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-neon-blue), var(--color-neon-green), var(--color-neon-blue));
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 40px);
  margin-bottom: var(--space-xl);
  position: relative;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 40px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 20px;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-neon-blue);
  border: 3px solid var(--color-bg-deep);
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.timeline-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  max-width: 500px;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-neon-green);
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.timeline-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ── Image Section ── */
.image-section {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.image-section img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.image-section:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-lg);
  background: linear-gradient(transparent, rgba(5, 8, 16, 0.95));
}

/* ── Content Blocks ── */
.content-flex {
  display: flex;
  gap: var(--space-2xl);
  align-items: center;
}

.content-flex.reverse {
  flex-direction: row-reverse;
}

.content-text {
  flex: 1;
}

.content-image {
  flex: 1;
  position: relative;
}

.content-image img {
  border: 1px solid var(--color-border);
}

.content-image::before {
  content: '';
  position: absolute;
  top: -10px;
  left: -10px;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(0, 212, 255, 0.15);
  z-index: -1;
}

/* ── Footer ── */
.main-footer {
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) var(--space-lg) var(--space-lg);
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand .nav-logo {
  margin-bottom: var(--space-md);
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-neon-blue);
  margin-bottom: var(--space-md);
}

.footer-links a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 6px 0;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-neon-blue);
  padding-left: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-neon-blue);
  flex-shrink: 0;
}

.social-icons {
  display: flex;
  gap: 12px;
  margin-top: var(--space-md);
}

.social-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  background: rgba(0, 212, 255, 0.05);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.social-icon:hover {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--color-neon-blue);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 212, 255, 0.2);
}

.social-icon svg {
  width: 18px;
  height: 18px;
  color: var(--color-neon-blue);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-neon-blue);
  font-weight: 500;
}

/* ── Scroll Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children .reveal:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .reveal:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .reveal:nth-child(3) { transition-delay: 0.3s; }
.stagger-children .reveal:nth-child(4) { transition-delay: 0.4s; }
.stagger-children .reveal:nth-child(5) { transition-delay: 0.5s; }
.stagger-children .reveal:nth-child(6) { transition-delay: 0.6s; }

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

@keyframes fadeInDown {
  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 glow {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 212, 255, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 212, 255, 0.4); }
}

@keyframes lineGrow {
  from { width: 0; }
  to { width: 80px; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes dash {
  to { stroke-dashoffset: 0; }
}

/* ── Structural Line Decoration ── */
.structural-line {
  position: absolute;
  background: linear-gradient(90deg, transparent, var(--color-neon-blue), transparent);
  height: 1px;
  opacity: 0.3;
}

.structural-line.horizontal {
  width: 100%;
  left: 0;
}

.structural-line.vertical {
  width: 1px;
  height: 100%;
  top: 0;
  background: linear-gradient(180deg, transparent, var(--color-neon-blue), transparent);
}

/* ── Corner Decorations ── */
.corner-decoration {
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: rgba(0, 212, 255, 0.3);
  border-style: solid;
}

.corner-decoration.top-left {
  top: 15px;
  left: 15px;
  border-width: 2px 0 0 2px;
}

.corner-decoration.top-right {
  top: 15px;
  right: 15px;
  border-width: 2px 2px 0 0;
}

.corner-decoration.bottom-left {
  bottom: 15px;
  left: 15px;
  border-width: 0 0 2px 2px;
}

.corner-decoration.bottom-right {
  bottom: 15px;
  right: 15px;
  border-width: 0 2px 2px 0;
}

/* ── Contact Form ── */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-neon-blue);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: rgba(13, 18, 37, 0.8);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-green));
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

/* ── Page Transition Overlay ── */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  pointer-events: none;
  display: flex;
}

.page-transition .bar {
  flex: 1;
  background: var(--color-neon-blue);
  transform: scaleY(0);
  transform-origin: bottom;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .content-flex { flex-direction: column; gap: var(--space-xl); }
  .content-flex.reverse { flex-direction: column; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: rgba(5, 8, 16, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    transition: var(--transition-smooth);
    border-left: 1px solid var(--color-border);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-toggle {
    display: flex;
  }

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

  .section {
    padding: var(--space-2xl) var(--space-sm);
  }

  .hero-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  /* Timeline mobile */
  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 60px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-content {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .section {
    padding: var(--space-xl) var(--space-sm);
  }

  .hero-label {
    font-size: 0.55rem;
    letter-spacing: 4px;
  }
}

/* ── Password Gate Styles ── */
.gate-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-deep);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.gate-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 6s ease-in-out infinite;
}

.gate-scanning-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-neon-blue), transparent);
  animation: scanLine 4s linear infinite;
}

@keyframes scanLine {
  0% { top: -2px; }
  100% { top: 100%; }
}

.gate-panel {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  background: rgba(10, 14, 26, 0.8);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(20px);
  max-width: 500px;
  width: 90%;
}

.gate-panel .corner-decoration {
  border-color: rgba(0, 212, 255, 0.5);
}

.gate-status {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-neon-green);
  margin-bottom: var(--space-xs);
  animation: pulse 2s ease-in-out infinite;
}

.gate-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.gate-subtitle {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.gate-input-wrapper {
  position: relative;
  margin-bottom: var(--space-md);
}

.gate-input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(5, 8, 16, 0.8);
  border: 1px solid var(--color-border);
  color: var(--color-neon-blue);
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 8px;
  text-align: center;
  outline: none;
  transition: var(--transition-fast);
}

.gate-input:focus {
  border-color: var(--color-neon-blue);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.gate-input::placeholder {
  color: var(--color-text-muted);
  letter-spacing: 4px;
  font-size: 0.8rem;
}

.gate-submit {
  width: 100%;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: linear-gradient(135deg, var(--color-neon-blue), var(--color-neon-green));
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.gate-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.3);
}

.gate-error {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: #ff4444;
  margin-top: var(--space-sm);
  opacity: 0;
  transition: var(--transition-fast);
}

.gate-error.visible {
  opacity: 1;
}

.gate-container.shake {
  animation: shakeEffect 0.5s ease;
}

@keyframes shakeEffect {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-15px); }
  40% { transform: translateX(15px); }
  60% { transform: translateX(-10px); }
  80% { transform: translateX(10px); }
}

/* Gate cinematic transition */
.gate-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10001;
  pointer-events: none;
  opacity: 0;
}

.gate-transition.active {
  opacity: 1;
  animation: cinematicReveal 2s ease forwards;
}

@keyframes cinematicReveal {
  0% { opacity: 0; }
  20% { opacity: 1; background: var(--color-neon-blue); }
  40% { background: var(--color-bg-deep); }
  100% { opacity: 0; }
}

/* ── Glassmorphism Panel ── */
.glass-panel {
  background: rgba(13, 18, 37, 0.6);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
}

/* ── Quote Block ── */
.quote-block {
  position: relative;
  padding: var(--space-lg) var(--space-xl);
  border-left: 3px solid var(--color-neon-blue);
  background: rgba(0, 212, 255, 0.03);
  margin: var(--space-lg) 0;
}

.quote-block p {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--color-text-primary);
  line-height: 1.8;
}

.quote-block cite {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 2px;
  color: var(--color-neon-blue);
  font-style: normal;
  text-transform: uppercase;
}

/* ── Metric Bar ── */
.metric-bar {
  margin-bottom: var(--space-md);
}

.metric-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

.metric-bar-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.metric-bar-value {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-neon-blue);
}

.metric-bar-track {
  height: 4px;
  background: rgba(0, 212, 255, 0.1);
  overflow: hidden;
}

.metric-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-neon-blue), var(--color-neon-green));
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Tab Navigation ── */
.tab-nav {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}

.tab-btn {
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-neon-blue);
  transform: scaleX(0);
  transition: var(--transition-fast);
}

.tab-btn.active,
.tab-btn:hover {
  color: var(--color-neon-blue);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeInUp 0.5s ease;
}