@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  /* LIGHT MODE */
  --primary: #050505;
  --secondary: #666666;
  --accent: #2563eb;
  --bg-dark: #ffffff;
  --bg-dark-rgb: 255, 255, 255;
  --bg-card: #f8f8f8;
  --border: #e5e5e5;
  --grid-color: rgba(0, 0, 0, 0.05);
  --invert-img: 0;
}

.dark {
  /* DARK MODE */
  --primary: #ffffff;
  --secondary: #999999;
  --accent: #2563eb;
  --bg-dark: #050505;
  --bg-dark-rgb: 5, 5, 5;
  --bg-card: #111111;
  --border: #222222;
  --grid-color: rgba(255, 255, 255, 0.05);
  --invert-img: 1;
}

body {
  font-family: 'Space Grotesk', sans-serif;
  background-color: var(--bg-dark);
  color: var(--primary);
  overflow-x: hidden;
  scroll-behavior: smooth;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.logo-img {
  filter: invert(var(--invert-img));
  transition: filter 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
  border-left: 1px solid var(--border);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Grid Background Motif to match square logo */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-size: 50px 50px;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  z-index: -2;
  pointer-events: none;
}

/* Minimalist Solid Cards */
.solid-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  position: relative;
  z-index: 1;
}

.solid-card:hover {
  transform: translate(-5px, -5px);
  border-color: var(--primary);
  box-shadow: 5px 5px 0px var(--primary);
  z-index: 10;
}

.solid-card-accent:hover {
  border-color: var(--accent);
  box-shadow: 5px 5px 0px var(--accent);
}

/* Typography Enhancements */
.text-outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--primary);
  opacity: 0.4;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.text-outline:hover {
  color: var(--primary);
  opacity: 1;
}

@keyframes letter-fill {
  0%, 40%, 100% {
    color: transparent;
  }
  15%, 25% {
    color: var(--primary);
  }
}

.animate-letter {
  animation: letter-fill 3s ease-in-out infinite;
}

/* Animations */
@keyframes slideUpFade {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
}

.reveal.active {
  animation: slideUpFade 0.8s ease forwards;
}

/* Buttons */
.btn-primary {
  background: var(--primary);
  color: var(--bg-dark);
  border: 1px solid var(--primary);
  transition: all 0.3s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary:hover {
  background: transparent;
  color: var(--primary);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-outline:hover {
  border-color: var(--primary);
  background: var(--bg-card);
}

/* Process line with square stops */
.process-line {
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
  z-index: 0;
}

.header-blur {
  background: rgba(var(--bg-dark-rgb), 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

/* Tech Typing Animation */
.typing-container {
  display: inline-block;
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--primary);
  animation: typing 2s steps(40, end), blink-caret .75s step-end infinite;
  font-family: monospace;
  padding-right: 4px;
}

@keyframes typing {
  from { width: 0 }
  to { width: 100% }
}

@keyframes blink-caret {
  from, to { border-color: transparent }
  50% { border-color: var(--primary); }
}

/* Continuous Hero Animations */
@keyframes float-geometric {
  0% { transform: translateY(0px) rotate(12deg) scale(1.1); }
  50% { transform: translateY(-20px) rotate(15deg) scale(1.1); }
  100% { transform: translateY(0px) rotate(12deg) scale(1.1); }
}

.animate-geometric {
  animation: float-geometric 8s ease-in-out infinite;
}

@keyframes blink-block {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.blink-1 { animation: blink-block 3s infinite 0s; }
.blink-2 { animation: blink-block 4.5s infinite 1.5s; }
.blink-3 { animation: blink-block 6s infinite 2.5s; }

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(700%); }
}

.animate-scanline {
  animation: scanline 3s linear infinite;
}