/* ==========================================
   SATVIK ADYANTHAYA - PERSONAL SITE
   OLED Black + Blood Orange + JetBrains Mono
   ========================================== */

/* --- RESET & BASE --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #000000;
  --bg: #000000;
  --surface: #0a0a0a;
  --surface-2: #111111;
  --border: #1a1a1a;
  --border-light: #222222;
  --text: #e0e0e0;
  --text-dim: #666666;
  --text-muted: #444444;
  --accent: #FF4500;
  --accent-dim: #cc3700;
  --accent-glow: rgba(255, 69, 0, 0.15);
  --accent-glow-strong: rgba(255, 69, 0, 0.3);
  --white: #ffffff;
  --font: 'JetBrains Mono', monospace;
  --pixel: 8px;
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--black);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--black);
}
::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 0;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--white);
}

::selection {
  background: var(--accent);
  color: var(--black);
}

/* --- OVERLAYS --- */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

.noise {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: noiseShift 0.5s steps(10) infinite;
}

@keyframes noiseShift {
  0% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -5%); }
  20% { transform: translate(-10%, 5%); }
  30% { transform: translate(5%, -10%); }
  40% { transform: translate(-5%, 15%); }
  50% { transform: translate(-10%, 5%); }
  60% { transform: translate(15%, 0); }
  70% { transform: translate(0, 10%); }
  80% { transform: translate(-15%, 0); }
  90% { transform: translate(10%, 5%); }
  100% { transform: translate(5%, 0); }
}

.cursor-glow {
  position: fixed;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s;
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: background 0.3s, backdrop-filter 0.3s;
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
}
.nav-logo .accent {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover {
  color: var(--accent);
}
.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--black);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 24px;
  color: var(--text);
  font-weight: 600;
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.06;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
}

.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 80px;
  max-width: 1200px;
  padding: 0 32px;
  margin-top: 60px;
}

.hero-portrait-wrap {
  position: relative;
  flex-shrink: 0;
  overflow: visible;
}

#voxelPortrait {
  width: 384px;
  height: 384px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow:
    0 0 40px var(--accent-glow);
  transition: box-shadow 0.5s;
  overflow: visible;
}

#voxelPortrait:hover {
  box-shadow:
    0 0 80px var(--accent-glow-strong);
}

#voxelPortrait canvas {
  display: block;
  width: 140%;
  height: 140%;
  margin-top: -20%;
  margin-left: -20%;
}

.hero-text {
  max-width: 600px;
}

.hero-pre {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 16px;
  opacity: 0;
  animation: fadeSlideUp 0.6s 0.2s forwards;
}

.hero-name {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-name-line {
  display: block;
  opacity: 0;
  animation: fadeSlideUp 0.6s forwards;
}
.hero-name-line:nth-child(1) { animation-delay: 0.4s; }
.hero-name-line:nth-child(2) { animation-delay: 0.6s; }

.hero-tagline {
  font-size: 16px;
  color: var(--text-dim);
  min-height: 28px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeIn 0.6s 1.2s forwards;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-dim);
  opacity: 0;
  animation: fadeIn 0.6s 1.6s forwards;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 0;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.status-shipped .status-dot,
.status-shipped {
  background: #22c55e;
}

.project-status .status-shipped {
  background: #22c55e;
}

.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeIn 1s 2s forwards;
}

.scroll-indicator span {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}

/* --- SECTIONS --- */
.section {
  position: relative;
  padding: 100px 0;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 48px;
}

.ascii-divider {
  overflow: hidden;
  padding: 0 32px;
  opacity: 0.08;
}

.ascii-divider pre {
  font-family: var(--font);
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
}

/* --- QUIRKY QUOTES --- */
.quirky-quote {
  text-align: center;
  padding: 20px 32px;
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quirky-text {
  font-style: italic;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.quirky-text.visible {
  opacity: 1;
}

/* --- ABOUT --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

.about-terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-light);
}
.terminal-dot:first-child { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #ffbd2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px 24px;
  font-size: 13px;
  line-height: 1.8;
}

.term-line {
  color: var(--text);
  margin-top: 16px;
}
.term-line:first-child {
  margin-top: 0;
}

.term-prompt {
  color: var(--accent);
  margin-right: 8px;
  font-weight: 700;
}

.term-output {
  color: var(--text-dim);
  padding-left: 20px;
  margin-top: 4px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow);
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- PROJECTS --- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.project-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

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

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
}

.project-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
}

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

.project-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.project-tags span {
  font-size: 10px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 3px 8px;
  letter-spacing: 0.5px;
}

.project-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.project-desc {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.project-stack span {
  font-size: 11px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 3px 10px;
}

.project-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.project-status .status-shipped {
  background: #22c55e;
}

/* --- SKILLS --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.skill-group {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.skill-group-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tag {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 6px 14px;
  transition: all 0.2s;
  cursor: default;
}

.skill-tag:hover {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

.skill-tag.highlight {
  color: var(--accent);
  border-color: var(--accent-dim);
}

/* --- EXPERIENCE / TIMELINE --- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  height: 100%;
  width: 1px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}
.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: -40px;
  top: 4px;
  width: 15px;
  height: 15px;
  background: var(--black);
  border: 2px solid var(--accent);
}

.timeline-item:hover .timeline-marker {
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow-strong);
}

.timeline-date {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin: 6px 0 4px;
}

.timeline-org {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.timeline-content p:last-child {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.7;
}

/* --- RESUME --- */
.resume-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: center;
}

.resume-art pre {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  border: 1px solid var(--border);
  padding: 24px;
  background: var(--surface);
}

.resume-cta h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.resume-cta p {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--black);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  padding: 14px 32px;
  border: none;
  cursor: pointer;
  transition: all 0.3s;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.btn-download:hover {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 0 30px var(--accent-glow-strong);
  transform: translateY(-2px);
}

/* --- CONTACT --- */
.contact-sub {
  font-size: 15px;
  color: var(--text-dim);
  margin-top: -32px;
  margin-bottom: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 32px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.3s;
  color: var(--text);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.contact-card svg {
  color: var(--accent);
}

.contact-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
}

.contact-value {
  font-size: 13px;
  color: var(--text-dim);
}

.contact-card:hover .contact-value {
  color: var(--accent);
}

/* --- FOOTER --- */
.footer {
  padding: 60px 32px 32px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-ascii {
  font-size: 12px;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 24px;
  line-height: 1.3;
}

.footer-text {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.footer-copy {
  font-size: 11px;
  color: var(--text-muted);
}

/* --- BACKGROUND PARTICLES CANVAS --- */
#bgParticles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- ANIMATIONS --- */
@keyframes blink {
  50% { opacity: 0; }
}
.blink {
  animation: blink 1s step-end infinite;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes scrollPulse {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 48px;
  }

  .hero-status {
    justify-content: center;
  }

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

  .resume-block {
    grid-template-columns: 1fr;
  }

  .resume-art {
    display: none;
  }

  #voxelPortrait {
    width: 280px;
    height: 280px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 13px;
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  .section {
    padding: 60px 0;
  }

  .section-inner {
    padding: 0 20px;
  }

  .hero-name {
    letter-spacing: -1px;
  }

  #voxelPortrait {
    width: 220px;
    height: 220px;
  }

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

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

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

  .about-stats {
    grid-template-columns: 1fr 1fr;
  }

  .project-card {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .hero-content {
    padding: 0 16px;
  }

  #voxelPortrait {
    width: 180px;
    height: 180px;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }
}