/* ===== iLynx — Premium Tech / Neon Aesthetic ===== */
:root{
  --bg:#0a0f2e;
  --bg-secondary:#0d1340;
  --text:#e8eaed;
  --muted:#7a8596;
  --card:#0f1847;
  --card-border:#1a2d5a;
  --radius:1.25rem;

  --neon-cyan:#00d9ff;
  --neon-blue:#0099ff;
  --neon-violet:#c855ff;
  --neon-green:#39ff14;
  --accent-orange:#ff6b35;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: linear-gradient(180deg, #0a0f2e 0%, #0d1340 40%, #0a0f2e 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Montserrat', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
}

a { color: inherit; }

::selection {
  background: var(--neon-cyan);
  color: var(--bg);
}

:focus-visible {
  outline: 3px solid var(--neon-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- HEADER ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 40%, transparent);
  backdrop-filter: blur(28px) saturate(200%);
  -webkit-backdrop-filter: blur(28px) saturate(200%);
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 8px 32px -16px rgba(0, 217, 255, 0.25), inset 0 1px 0 rgba(0, 217, 255, 0.1);
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.site-header.scrolled {
  border-bottom-color: rgba(0, 217, 255, 0.4);
  box-shadow: 0 12px 48px -12px rgba(0, 217, 255, 0.3), inset 0 1px 0 rgba(0, 217, 255, 0.15);
}

.nav-link {
  position: relative;
  padding: 8px 3px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--muted);
  transition: all 0.2s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
  box-shadow: 0 0 12px rgba(0, 217, 255, 0.6);
  transition: width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.nav-link:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
}

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

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: -0.015em;
  min-height: 48px;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
  border: 1.5px solid transparent;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.15) 50%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  color: var(--bg);
  box-shadow: 0 0 30px rgba(0, 217, 255, 0.6), 0 12px 40px -12px rgba(0, 217, 255, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(0, 217, 255, 0.5);
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 50px rgba(0, 217, 255, 0.8), 0 20px 60px -8px rgba(0, 217, 255, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  text-shadow: 0 0 10px rgba(0, 217, 255, 0.4);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1.5px solid rgba(0, 217, 255, 0.4);
  color: var(--text);
  background: color-mix(in srgb, var(--card) 50%, transparent);
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 24px rgba(0, 217, 255, 0.4), inset 0 0 20px rgba(0, 217, 255, 0.1);
  transform: translateY(-4px);
  text-shadow: 0 0 8px rgba(0, 217, 255, 0.5);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 160px 0 120px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--neon-cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: color-mix(in srgb, var(--neon-cyan) 12%, transparent);
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.4), inset 0 0 10px rgba(0, 217, 255, 0.2);
  animation: badge-glow 2.4s ease-in-out infinite;
}

@keyframes badge-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 217, 255, 0.4), inset 0 0 10px rgba(0, 217, 255, 0.2); }
  50% { box-shadow: 0 0 32px rgba(0, 217, 255, 0.6), inset 0 0 15px rgba(0, 217, 255, 0.3); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
  color: #fff;
  text-shadow: 0 0 60px rgba(0, 217, 255, 0.4), 0 0 120px rgba(0, 217, 255, 0.2);
  margin: 16px 0 0 0;
}

.hero .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.8em) rotateX(-90deg);
  animation: letter-pop 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
}

@keyframes letter-pop {
  to {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
  }
}

#binary-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.06;
  pointer-events: none;
}

.mesh {
  position: absolute;
  inset: -20%;
  z-index: 0;
  filter: blur(90px) saturate(150%);
  opacity: 0.7;
  pointer-events: none;
  background:
    radial-gradient(45% 45% at 10% 15%, var(--neon-cyan), transparent 68%),
    radial-gradient(40% 40% at 90% 10%, var(--neon-blue), transparent 68%),
    radial-gradient(38% 38% at 75% 90%, var(--neon-violet), transparent 72%),
    radial-gradient(32% 32% at 20% 85%, var(--neon-green), transparent 75%);
  animation: mesh-pulse 16s ease-in-out infinite alternate;
}

@keyframes mesh-pulse {
  to {
    transform: translate(5%, -4%) scale(1.1);
  }
}

.code-symbol {
  position: absolute;
  font-family: 'Courier New', monospace;
  font-weight: 900;
  opacity: 0.08;
  user-select: none;
  pointer-events: none;
  animation: float 9s ease-in-out infinite;
  text-shadow: 0 0 20px currentColor;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(-3deg);
  }
  50% {
    transform: translateY(-30px) rotate(3deg);
  }
}

/* ---- DASHBOARD ---- */
.dash {
  position: relative;
  border-radius: 22px;
  border: 1.5px solid rgba(0, 217, 255, 0.4);
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(14px);
  padding: 32px;
  box-shadow: 0 0 50px rgba(0, 217, 255, 0.3), 0 40px 120px -40px rgba(0, 217, 255, 0.25), inset 0 1px 0 rgba(0, 217, 255, 0.2);
  transform: perspective(1400px) rotateY(-5deg) rotateX(2deg);
  animation: dash-hover 7s ease-in-out infinite;
}

@keyframes dash-hover {
  0%, 100% {
    transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) translateY(0);
  }
  50% {
    transform: perspective(1400px) rotateY(-3deg) rotateX(1deg) translateY(-20px);
  }
}

.dash-bar {
  height: 12px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue));
  box-shadow: 0 0 24px rgba(0, 217, 255, 0.6), 0 0 12px rgba(0, 99, 255, 0.4);
}

/* ---- CARDS ---- */
.card {
  position: relative;
  border-radius: var(--radius);
  border: 1.5px solid var(--card-border);
  background: color-mix(in srgb, var(--card) 90%, transparent);
  backdrop-filter: blur(12px);
  padding: 36px;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(0, 217, 255, 0.1) inset, 0 28px 70px -40px rgba(0, 0, 0, 0.7);
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.5px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent, var(--neon-cyan)) 60%, transparent), transparent 50%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.card::after {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 999px;
  pointer-events: none;
  left: var(--spot-x, 50%);
  top: var(--spot-y, 0%);
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, color-mix(in srgb, var(--card-accent, var(--neon-cyan)) 35%, transparent), transparent 75%);
  opacity: 0;
  filter: blur(25px);
  transition: opacity 0.35s ease;
  box-shadow: 0 0 60px var(--card-accent, var(--neon-cyan));
}

.card:hover {
  transform: translateY(-14px) scale(1.02);
  border-color: rgba(0, 217, 255, 0.5);
  box-shadow: 0 0 60px rgba(0, 217, 255, 0.4), 0 48px 100px -36px rgba(0, 217, 255, 0.35), inset 0 1px 0 rgba(0, 217, 255, 0.2);
}

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

.card:hover::after {
  opacity: 1;
}

.card .accent-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--card-accent, var(--neon-cyan));
  box-shadow: 0 0 24px var(--card-accent, var(--neon-cyan)), 0 0 48px color-mix(in srgb, var(--card-accent, var(--neon-cyan)) 50%, transparent);
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

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

/* ---- ECOSYSTEM ---- */
.eco-line {
  stroke-dasharray: 10 340;
  animation: dash-line 5s linear infinite;
  filter: drop-shadow(0 0 12px currentColor);
}

@keyframes dash-line {
  to {
    stroke-dashoffset: -350;
  }
}

.eco-core {
  animation: core-glow 2.8s ease-in-out infinite;
  filter: drop-shadow(0 0 2px currentColor);
}

@keyframes core-glow {
  0%, 100% {
    filter: drop-shadow(0 0 6px currentColor) drop-shadow(0 0 20px rgba(0, 217, 255, 0.4));
  }
  50% {
    filter: drop-shadow(0 0 10px currentColor) drop-shadow(0 0 40px rgba(0, 217, 255, 0.7));
  }
}

/* ---- TIMELINE ---- */
.timeline-track {
  position: relative;
  height: 8px;
  background: var(--card-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.5);
}

.timeline-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue), var(--neon-violet), var(--neon-green));
  box-shadow: 0 0 28px rgba(0, 217, 255, 0.6), inset 0 0 8px rgba(0, 217, 255, 0.3);
  transition: width 1.4s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.timeline-dot {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background: var(--card-accent, var(--neon-cyan));
  box-shadow: 0 0 0 10px color-mix(in srgb, currentColor 14%, transparent), 0 0 32px currentColor, 0 0 60px color-mix(in srgb, currentColor 50%, transparent);
  animation: dot-pulse 2.6s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.25);
  }
}

/* ---- TECH BADGES ---- */
.tech-badge {
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: -0.01em;
  background: color-mix(in srgb, var(--card) 70%, transparent);
  backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  animation: float-badge 8s ease-in-out infinite;
  position: relative;
}

.tech-badge::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(45deg, var(--badge-color, var(--neon-cyan)), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.tech-badge:hover {
  color: var(--badge-color, var(--neon-cyan));
  border-color: var(--badge-color, var(--neon-cyan));
  box-shadow: 0 0 40px -6px var(--badge-color, var(--neon-cyan)), 0 0 24px -10px var(--badge-color, var(--neon-cyan)), inset 0 0 20px rgba(0, 217, 255, 0.15);
  transform: translateY(-8px) scale(1.08);
  text-shadow: 0 0 12px var(--badge-color, var(--neon-cyan));
}

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

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

/* ---- FOOTER ---- */
.rainbow-rule {
  height: 2.5px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue), var(--neon-violet), var(--neon-green), var(--accent-orange));
  background-size: 200% 100%;
  animation: rule-flow 10s linear infinite;
  box-shadow: 0 0 32px rgba(0, 217, 255, 0.4), 0 0 16px rgba(0, 99, 255, 0.3);
}

@keyframes rule-flow {
  0% {
    background-position: 0% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

footer a {
  color: var(--muted);
  font-size: 14px;
  transition: all 0.2s ease;
}

footer a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 8px rgba(0, 217, 255, 0.5);
}

/* ---- UTILITY ---- */
.glass {
  background: color-mix(in srgb, var(--card) 75%, transparent);
  backdrop-filter: blur(14px);
}

.gradient-text {
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-blue), var(--neon-violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- MEDIA QUERIES ---- */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 767px) {
  .dash {
    transform: none;
    animation: none;
  }
  .card:hover {
    transform: translateY(-10px) scale(1.01);
  }
  .hero {
    padding: 120px 0 80px;
  }
  .hero h1 {
    text-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }
  .card {
    padding: 28px;
  }
  .btn {
    padding: 12px 24px;
    font-size: 13px;
  }
  .tech-badge {
    padding: 10px 18px;
    font-size: 12px;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    color-scheme: dark;
  }
}

@media print {
  .site-header, footer, .btn {
    display: none;
  }
  body {
    background: white;
    color: black;
  }
}