@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&family=Space+Grotesk:wght@400;500;600;700&family=Syne:wght@700;800;900&display=swap');

:root {
  --bg-alabaster: #F5F5F3;
  --bg-dark: #0A0A0A;
  --text-main: #0A0A0A;
  --text-muted: #666666;
  --border-light: #E0E0DC;
  --border-dark: #222222;
  --font-syne: 'Syne', sans-serif;
  --font-space: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Base resets & theme setup */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Strict neo-brutalist zero-radius */
}

html, body {
  background-color: var(--bg-alabaster);
  color: var(--text-main);
  font-family: var(--font-space);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection {
  background-color: var(--bg-dark);
  color: var(--bg-alabaster);
}

/* Custom Cursor */
#custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  background-color: var(--bg-dark);
  border-radius: 50% !important;
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
  transition: width 0.2s ease, height 0.2s ease, background-color 0.2s ease, transform 0.1s ease;
  mix-blend-mode: difference;
}

#custom-cursor.active {
  width: 54px;
  height: 54px;
  background-color: #FFFFFF;
}

#custom-cursor.hidden-cursor {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Hide cursor when hovering over Services section */
#services, #services * {
  cursor: none !important;
}

/* Hover Reveal Cards (Flat Elevated Backdrop & Shadow) */
.hover-reveal {
  box-shadow: 
    0 24px 48px -12px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.18);
  background-color: #0A0A0A;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hover-reveal .hover-reveal-media {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.hover-reveal:hover .hover-reveal-media {
  transform: scale(1.03);
}

/* Service Title Word Ticker Animation */
.service-ticker {
  transition: opacity 0.35s ease, color 0.35s ease;
  user-select: none;
}

.service-row:hover .service-ticker {
  opacity: 1 !important;
  color: #CCCCCC !important;
}

.service-row:hover .service-ticker .ticker-word {
  color: #E5E5E5 !important;
}

.ticker-word {
  will-change: transform, opacity;
  display: inline-block;
  white-space: nowrap;
}

/* Typography styles */
.font-heading {
  font-family: var(--font-syne);
}

.font-body {
  font-family: var(--font-space);
}

.font-mono-tech {
  font-family: var(--font-mono);
}

/* Fixed Header: Transparent at top, Solid Dark Block on Scroll */
.nav-blended {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: transparent;
  color: #F5F5F3;
  transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.nav-blended a, .nav-blended button, .nav-blended span {
  color: #F5F5F3;
  transition: color 0.3s ease;
}

.nav-blended .btn-nav {
  border: 1px solid #F5F5F3;
  background: transparent;
  color: #F5F5F3;
}

.nav-blended .btn-nav:hover {
  background: #F5F5F3;
  color: #0A0A0A !important;
}

/* Scrolled State: Solid Dark Block */
.nav-blended.is-scrolled {
  background-color: rgba(10, 10, 10, 0.96);
  border-bottom: 1px solid #222222;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

/* Rotating Wireframe SVG */
@keyframes spinSlow {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.animate-spin-slow {
  animation: spinSlow 40s linear infinite;
}

/* Infinite Marquee */
@keyframes marquee {
  0% { transform: translateX(0%); }
  100% { transform: translateX(-50%); }
}

.marquee-container {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--bg-dark);
  border-bottom: 1px solid var(--bg-dark);
  background-color: var(--bg-alabaster);
}

.marquee-content {
  display: inline-block;
  animation: marquee 25s linear infinite;
}

.marquee-content:hover {
  animation-play-state: paused;
}

/* Interactive Subsystems Hover-Heavy List */
.subsystem-row {
  position: relative;
  border-bottom: 1px solid var(--bg-dark);
  padding: 2.5rem 1rem;
  transition: background-color 0.3s ease, color 0.3s ease;
  cursor: pointer;
}

.subsystem-row:hover {
  background-color: var(--bg-dark);
  color: var(--bg-alabaster);
}

.subsystem-row:hover .subsystem-title {
  color: var(--bg-alabaster);
  transform: translateX(12px);
}

.subsystem-row:hover .subsystem-num {
  color: var(--bg-alabaster);
}

.subsystem-title {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease;
}

.subsystem-num {
  transition: color 0.3s ease;
}

/* Neo-Brutalist Buttons */
.btn-brutal {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.85rem 1.75rem;
  background-color: var(--bg-dark);
  color: var(--bg-alabaster);
  border: 1px solid var(--bg-dark);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  cursor: pointer;
  user-select: none;
}

.btn-brutal:hover {
  background-color: var(--bg-alabaster);
  color: var(--bg-dark);
}

.btn-brutal-light {
  background-color: var(--bg-alabaster);
  color: var(--bg-dark);
  border: 1px solid var(--bg-alabaster);
}

.btn-brutal-light:hover {
  background-color: var(--bg-dark);
  color: var(--bg-alabaster);
}

/* Modal Drawer Overlay */
.modal-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-panel {
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-panel {
  transform: translateY(0);
}