/* ============================================
   ArCh Boot — Embedded Systems Hero Page
   ============================================ */

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

:root {
  --bg: #0a0a0a;
  --bg-chip: #111;
  --bg-chip-body: #1a1a1a;
  --trace: #2ecc71;
  --trace-dim: #1a5c34;
  --trace-glow: rgba(46, 204, 113, 0.35);
  --amber: #d4a017;
  --amber-dim: #6b5010;
  --amber-glow: rgba(212, 160, 23, 0.3);
  --text: #c8c8c8;
  --text-dim: #555;
  --text-bright: #e8e8e8;
  --boot-green: #33ff66;
  --boot-green-dim: #0a3318;
  --pin: #888;
  --pin-bright: #bbb;
  --peripheral-bg: rgba(20, 20, 20, 0.85);
  --peripheral-border: #2a2a2a;
  --font-mono: 'Share Tech Mono', 'Courier New', monospace;
  --font-heading: 'Chakra Petch', sans-serif;
  --font-body: 'Manrope', sans-serif;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

/* ========================
   Boot Screen
   ======================== */

.boot-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 40px;
  overflow-y: auto;
  overflow-x: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

/* Subtle vignette around edges */
.boot-screen::after {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 60%,
    rgba(0, 0, 0, 0.5) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.boot-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-terminal {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1.1vw, 13px);
  line-height: 1.65;
  color: var(--boot-green);
  text-shadow: 0 0 6px rgba(51, 255, 102, 0.25);
  width: 100%;
  position: relative;
  z-index: 2;
}

.boot-terminal pre {
  white-space: pre;
  overflow-x: hidden;
  margin: 0;
}

.boot-cursor {
  display: inline-block;
  animation: blink-cursor 0.6s step-end infinite;
  text-shadow: 0 0 8px rgba(51, 255, 102, 0.5);
}

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

/* ========================
   Main Content
   ======================== */

.main-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1s ease 0.2s;
  overflow: hidden;
}

.main-content.visible {
  opacity: 1;
}

/* Subtle grid background */
.main-content::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 204, 113, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 204, 113, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* ========================
   SVG Traces
   ======================== */

.trace-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.trace-line {
  stroke: var(--trace-dim);
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: url(#trace-glow);
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  transition: stroke 0.6s ease;
}

.trace-line.powered {
  stroke: var(--trace);
  stroke-dashoffset: 0;
}

/* ========================
   MCU Chip
   ======================== */

.mcu-container {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mcu-chip {
  position: relative;
  width: clamp(180px, 22vw, 260px);
  height: clamp(180px, 22vw, 260px);
  filter: grayscale(1) brightness(0.5);
  transition: filter 1.2s ease, transform 0.3s ease;
}

.mcu-chip.powered {
  filter: grayscale(0) brightness(1);
}

.mcu-chip:hover {
  transform: scale(1.02);
}

.mcu-body {
  position: absolute;
  inset: 18px;
  background: var(--bg-chip-body);
  border: 1px solid #333;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow:
    inset 0 0 20px rgba(0,0,0,0.5),
    0 0 30px rgba(46, 204, 113, 0);
  transition: box-shadow 1.2s ease;
}

.mcu-chip.powered .mcu-body {
  box-shadow:
    inset 0 0 20px rgba(0,0,0,0.5),
    0 0 40px var(--trace-glow);
}

.mcu-dot {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #333;
  border: 1px solid #444;
}

.mcu-chip.powered .mcu-dot {
  background: var(--trace);
  box-shadow: 0 0 8px var(--trace-glow);
}

.mcu-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
}

.mcu-brand {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 4px;
  transition: color 1.2s ease;
}

.mcu-chip.powered .mcu-brand {
  color: var(--text-bright);
}

.mcu-part {
  font-family: var(--font-mono);
  font-size: clamp(9px, 1vw, 12px);
  color: var(--text-dim);
  letter-spacing: 2px;
  transition: color 1.2s ease;
}

.mcu-chip.powered .mcu-part {
  color: #888;
}

.mcu-desc {
  font-family: var(--font-mono);
  font-size: clamp(7px, 0.8vw, 10px);
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-top: 4px;
  transition: color 1.2s ease;
}

.mcu-chip.powered .mcu-desc {
  color: #666;
}

/* MCU Pins */
.mcu-pins {
  position: absolute;
  display: flex;
  gap: 6px;
}

.mcu-pins-top,
.mcu-pins-bottom {
  left: 28px;
  right: 28px;
  height: 14px;
  flex-direction: row;
  justify-content: center;
}

.mcu-pins-top { top: 4px; }
.mcu-pins-bottom { bottom: 4px; }

.mcu-pins-left,
.mcu-pins-right {
  top: 28px;
  bottom: 28px;
  width: 14px;
  flex-direction: column;
  justify-content: center;
}

.mcu-pins-left { left: 4px; }
.mcu-pins-right { right: 4px; }

.mcu-pins::before,
.mcu-pins::after {
  content: '';
}

/* Generate pins with repeating gradient trick */
.mcu-pins-top,
.mcu-pins-bottom {
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 4px,
    var(--pin) 4px,
    var(--pin) 10px,
    transparent 10px,
    transparent 16px
  );
}

.mcu-pins-left,
.mcu-pins-right {
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 4px,
    var(--pin) 4px,
    var(--pin) 10px,
    transparent 10px,
    transparent 16px
  );
}

.mcu-chip.powered .mcu-pins-top,
.mcu-chip.powered .mcu-pins-bottom {
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 4px,
    var(--pin-bright) 4px,
    var(--pin-bright) 10px,
    transparent 10px,
    transparent 16px
  );
}

.mcu-chip.powered .mcu-pins-left,
.mcu-chip.powered .mcu-pins-right {
  background: repeating-linear-gradient(
    180deg,
    transparent 0px,
    transparent 4px,
    var(--pin-bright) 4px,
    var(--pin-bright) 10px,
    transparent 10px,
    transparent 16px
  );
}

/* ========================
   Peripheral Blocks
   ======================== */

.peripherals {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.peripheral {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  background: var(--peripheral-bg);
  border: 1px solid var(--peripheral-border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--text);
  pointer-events: auto;
  cursor: pointer;
  filter: grayscale(1) brightness(0.4);
  opacity: 0;
  transform: scale(0.5);
  transition:
    filter 0.8s ease,
    opacity 0.5s ease,
    transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1),
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.peripheral.powered {
  filter: grayscale(0) brightness(1);
  opacity: 1;
  transform: scale(1);
}

.peripheral:hover {
  transform: scale(1.05);
  border-color: var(--trace);
  box-shadow: 0 0 20px var(--trace-glow);
}

.peripheral-icon {
  width: 28px;
  height: 28px;
  color: var(--trace);
}

.peripheral-icon svg {
  width: 100%;
  height: 100%;
}

.peripheral-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-bright);
}

.peripheral-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* Peripheral positions — use translate to center them at their anchor point,
   combined with scale for the power-on animation */
.peripheral-portfolio {
  top: 14%;
  left: 50%;
  translate: -50% 0;
}

.peripheral-github {
  top: 50%;
  right: 8%;
  translate: 0 -50%;
}

.peripheral-linkedin {
  bottom: 14%;
  left: 50%;
  translate: -50% 0;
}

.peripheral-email {
  top: 50%;
  left: 8%;
  translate: 0 -50%;
}

/* ========================
   Tagline
   ======================== */

.tagline {
  position: absolute;
  bottom: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  opacity: 0;
  transition: opacity 1s ease;
  text-align: center;
}

.tagline.visible {
  opacity: 1;
}

.tagline-text {
  font-family: var(--font-mono);
  font-size: clamp(10px, 1.2vw, 14px);
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* ========================
   Status Register (glass panel under MCU)
   ======================== */

.status-register {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 7px 16px;
  /* Dark LCD panel base */
  background:
    linear-gradient(
      180deg,
      rgba(10, 18, 12, 0.85) 0%,
      rgba(8, 14, 10, 0.95) 100%
    );
  /* Glass reflection overlay */
  border: 1px solid rgba(46, 204, 113, 0.1);
  border-top-color: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    inset 0 -1px 2px rgba(0, 0, 0, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.8s ease, transform 0.6s ease;
}

/* Glass glare streak */
.status-register::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 35%,
    rgba(255, 255, 255, 0.03) 38%,
    rgba(255, 255, 255, 0.06) 42%,
    rgba(255, 255, 255, 0.03) 46%,
    transparent 49%,
    transparent 100%
  );
  pointer-events: none;
}

/* Subtle scanline texture */
.status-register::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 1px,
    rgba(0, 0, 0, 0.12) 1px,
    rgba(0, 0, 0, 0.12) 2px
  );
  pointer-events: none;
}

.status-register.visible {
  opacity: 1;
  transform: translateY(0);
}

.sr-item {
  font-family: var(--font-mono);
  font-size: 9px;
  color: rgba(46, 204, 113, 0.55);
  letter-spacing: 1.5px;
  padding: 0 8px;
  position: relative;
  z-index: 1;
  text-shadow: 0 0 4px rgba(46, 204, 113, 0.15);
}

.sr-divider {
  width: 1px;
  height: 10px;
  background: rgba(46, 204, 113, 0.1);
  position: relative;
  z-index: 1;
}

.sr-blink {
  color: var(--trace);
  text-shadow: 0 0 6px rgba(46, 204, 113, 0.3);
  animation: sr-pulse 2s ease-in-out infinite;
}

@keyframes sr-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ========================
   Skip Hint
   ======================== */

.skip-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  translate: -50% 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.6s ease;
  pointer-events: none;
}

/* ========================
   Responsive
   ======================== */

@media (max-width: 768px) {
  .boot-screen {
    padding: 20px 16px;
  }

  .boot-terminal {
    font-size: 8px;
    line-height: 1.5;
  }

  .peripheral {
    padding: 10px 12px;
  }

  .peripheral-label {
    font-size: 9px;
  }

  .peripheral-sub {
    font-size: 7px;
  }

  .peripheral-icon {
    width: 20px;
    height: 20px;
  }

  .peripheral-portfolio {
    top: 8%;
  }

  .peripheral-linkedin {
    bottom: 8%;
  }

  .peripheral-github {
    right: 3%;
  }

  .peripheral-email {
    left: 3%;
  }

  .sr-item {
    font-size: 7px;
    padding: 0 5px;
  }
}

@media (max-width: 480px) {
  .peripheral-portfolio {
    top: 6%;
  }

  .peripheral-linkedin {
    bottom: 6%;
  }

  .peripheral-github {
    right: 1%;
  }

  .peripheral-email {
    left: 1%;
  }

  .status-register {
    padding: 4px 8px;
  }
}