/* ==============================
   MATRIX / CYBER — Style
   Raining code, holographic cards, CRT
   ============================== */

[data-theme="navy"] {
  --bg: #000a14;
  --bg-alt: #001020;
  --bg-card: rgba(0,20,40,0.6);
  --text-primary: #b0d0e8;
  --text-secondary: #5a8aaa;
  --accent: #00b4ff;
  --accent-glow: rgba(0,180,255,0.25);
  --heading: #d0e8ff;
  --border: rgba(0,180,255,0.15);
  --rain-color: #00b4ff;
  --scanline: rgba(0,180,255,0.03);
}
[data-theme="dark"] {
  --bg: #000800;
  --bg-alt: #001000;
  --bg-card: rgba(0,16,0,0.6);
  --text-primary: #a0d8a0;
  --text-secondary: #40884a;
  --accent: #00ff41;
  --accent-glow: rgba(0,255,65,0.2);
  --heading: #c0ffc0;
  --border: rgba(0,255,65,0.12);
  --rain-color: #00ff41;
  --scanline: rgba(0,255,65,0.03);
}
[data-theme="light"] {
  --bg: #e8eae8;
  --bg-alt: #dde0dd;
  --bg-card: rgba(255,255,255,0.6);
  --text-primary: #1a2a1a;
  --text-secondary: #4a5a4a;
  --accent: #008020;
  --accent-glow: rgba(0,128,32,0.12);
  --heading: #0a1a0a;
  --border: rgba(0,128,32,0.12);
  --rain-color: #008020;
  --scanline: rgba(0,128,32,0.02);
}
[data-theme="vibrant"] {
  --bg: #0a000a;
  --bg-alt: #10001a;
  --bg-card: rgba(20,0,30,0.6);
  --text-primary: #e0b0ff;
  --text-secondary: #9060c0;
  --accent: #ff00ff;
  --accent-glow: rgba(255,0,255,0.2);
  --heading: #ffe0ff;
  --border: rgba(255,0,255,0.15);
  --rain-color: #ff00ff;
  --scanline: rgba(255,0,255,0.03);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Exo 2', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background 0.6s, color 0.6s;
}

/* --- Canvas --- */
#matrixCanvas {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
}

/* --- CRT Overlay --- */
.crt-overlay {
  position: fixed; inset: 0; z-index: 2;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg, var(--scanline) 0px, var(--scanline) 1px, transparent 1px, transparent 3px
  );
}

/* --- Holo Card --- */
.holo-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
  backdrop-filter: blur(6px);
}
.holo-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 40%, var(--accent-glow) 50%, transparent 60%);
  opacity: 0; transition: opacity 0.5s;
  pointer-events: none;
}
.holo-card:hover::before { opacity: 1; }
.holo-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 20px var(--accent-glow), inset 0 0 20px rgba(0,0,0,0.2);
  transform: translateY(-4px);
}

/* --- Cyber Pill --- */
.cyber-pill {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.35rem 1rem;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: 'Share Tech Mono', monospace;
  font-size: 0.78rem; color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
}
.cyber-pill:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.cyber-pill--hot { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.cyber-pill small { opacity: 0.6; font-size: 0.72rem; }

/* --- Container --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; position: relative; z-index: 3; }
.section { padding: 7rem 0; position: relative; z-index: 3; }
.section--alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section__label {
  display: block;
  font-family: 'Share Tech Mono', monospace; font-size: 0.8rem;
  letter-spacing: 0.2em; color: var(--accent); margin-bottom: 0.5rem;
}
.section__title {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700;
  color: var(--heading); text-transform: uppercase; letter-spacing: 0.05em;
}

/* --- Nav --- */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  padding: 1rem 0; transition: all 0.4s;
}
.nav--scrolled {
  background: rgba(0,8,0,0.9); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); padding: 0.7rem 0;
}
[data-theme="light"] .nav--scrolled { background: rgba(232,234,232,0.92); }
.nav__container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; }
.nav__logo {
  font-family: 'Share Tech Mono', monospace; font-size: 1.3rem;
  color: var(--accent); text-decoration: none;
  text-shadow: 0 0 10px var(--accent-glow);
}
.nav__links { display: flex; list-style: none; gap: 2rem; }
.nav__links a {
  font-family: 'Share Tech Mono', monospace;
  color: var(--text-secondary); text-decoration: none; font-size: 0.82rem; transition: color 0.3s;
}
.nav__links a:hover, .nav__links a.active { color: var(--accent); text-shadow: 0 0 8px var(--accent-glow); }
.nav__actions { display: flex; align-items: center; gap: 1rem; }
.theme-toggle {
  width: 36px; height: 36px; border-radius: 2px;
  border: 1px solid var(--border); background: transparent; cursor: pointer;
  display: flex; align-items: center; justify-content: center; transition: border-color 0.3s;
}
.theme-toggle:hover { border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }
.theme-toggle__icon { width: 10px; height: 10px; background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.theme-palette {
  position: fixed; top: 65px; right: 2rem; display: flex; gap: 0.5rem;
  opacity: 0; visibility: hidden; transform: translateY(-8px); transition: all 0.3s; z-index: 101;
}
.theme-palette--open { opacity: 1; visibility: visible; transform: translateY(0); }
.theme-swatch { width: 28px; height: 28px; border-radius: 2px; border: 2px solid transparent; cursor: pointer; transition: transform 0.3s, box-shadow 0.3s; }
.theme-swatch:hover { transform: scale(1.2); }
.theme-swatch--navy { background: #000a14; border-color: #00b4ff; }
.theme-swatch--dark { background: #000800; border-color: #00ff41; }
.theme-swatch--light { background: #e8eae8; border-color: #008020; }
.theme-swatch--vibrant { background: #0a000a; border-color: #ff00ff; }

.nav__menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.nav__menu-btn span { display: block; width: 22px; height: 1.5px; background: var(--accent); transition: all 0.3s; }
.nav__menu-btn--open span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.nav__menu-btn--open span:nth-child(2) { opacity: 0; }
.nav__menu-btn--open span:nth-child(3) { transform: rotate(-45deg) translate(4px,-4px); }

.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 99;
  background: rgba(0,8,0,0.97);
  flex-direction: column; align-items: center; justify-content: center; gap: 2rem;
}
[data-theme="light"] .mobile-menu { background: rgba(232,234,232,0.97); }
.mobile-menu--open { display: flex; }
.mobile-menu a {
  font-family: 'Share Tech Mono', monospace;
  color: var(--text-primary); text-decoration: none; font-size: 1.5rem; transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }

/* --- Hero --- */
.hero {
  position: relative; z-index: 3;
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.hero__content { position: relative; z-index: 4; text-align: center; }
.hero__terminal {
  max-width: 500px; margin: 0 auto 2rem;
  border: 1px solid var(--border); border-radius: 4px;
  overflow: hidden; font-family: 'Share Tech Mono', monospace;
  font-size: 0.82rem; text-align: left;
}
.terminal__header {
  display: flex; align-items: center; gap: 6px;
  padding: 0.5rem 0.8rem; background: rgba(255,255,255,0.04);
}
.terminal__dot { width: 8px; height: 8px; border-radius: 50%; }
.terminal__dot--red { background: #ff5f56; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green { background: #27c93f; }
.terminal__title { margin-left: auto; color: var(--text-secondary); font-size: 0.7rem; }
.terminal__body { padding: 1rem; }
.terminal__line { margin-bottom: 0.3rem; color: var(--text-secondary); }
.t-prompt { color: var(--accent); }
.t-keyword { color: var(--accent); }
.t-string { color: #ffd700; }
.t-comment { opacity: 0.5; }

/* --- Glitch --- */
.hero__name {
  font-family: 'Exo 2', sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 700;
  color: var(--heading); text-transform: uppercase;
  letter-spacing: 0.08em; line-height: 1.1; margin-bottom: 1rem;
  position: relative;
}
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}
.glitch::before { color: #ff0040; z-index: -1; animation: glitch-1 3s infinite linear alternate-reverse; }
.glitch::after { color: #00ffff; z-index: -1; animation: glitch-2 2s infinite linear alternate-reverse; }
@keyframes glitch-1 {
  0% { clip-path: inset(20% 0 60% 0); transform: translate(-3px, 0); }
  20% { clip-path: inset(50% 0 10% 0); transform: translate(3px, 0); }
  40% { clip-path: inset(10% 0 70% 0); transform: translate(-2px, 0); }
  60% { clip-path: inset(80% 0 5% 0); transform: translate(2px, 0); }
  80% { clip-path: inset(30% 0 40% 0); transform: translate(-1px, 0); }
  100% { clip-path: inset(60% 0 20% 0); transform: translate(1px, 0); }
}
@keyframes glitch-2 {
  0% { clip-path: inset(60% 0 10% 0); transform: translate(3px, 0); }
  20% { clip-path: inset(10% 0 80% 0); transform: translate(-3px, 0); }
  40% { clip-path: inset(40% 0 20% 0); transform: translate(2px, 0); }
  60% { clip-path: inset(5% 0 50% 0); transform: translate(-2px, 0); }
  80% { clip-path: inset(70% 0 10% 0); transform: translate(1px, 0); }
  100% { clip-path: inset(20% 0 60% 0); transform: translate(-1px, 0); }
}
.hero__role { font-family: 'Share Tech Mono', monospace; font-size: 1rem; color: var(--text-secondary); margin-bottom: 2.5rem; }
.hero__role-cursor { animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero__cta { display: flex; gap: 1rem; justify-content: center; }
.btn {
  display: inline-block; padding: 0.8rem 2rem;
  font-family: 'Share Tech Mono', monospace; font-size: 0.82rem;
  border-radius: 2px; text-decoration: none; text-transform: uppercase;
  letter-spacing: 0.1em; transition: all 0.3s;
}
.btn--primary { background: var(--accent); color: var(--bg); border: none; }
.btn--primary:hover { box-shadow: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow); transform: translateY(-2px); }
.btn--outline { background: transparent; border: 1px solid var(--accent); color: var(--accent); }
.btn--outline:hover { background: var(--accent); color: var(--bg); box-shadow: 0 0 20px var(--accent-glow); }
.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 4;
  font-family: 'Share Tech Mono', monospace; font-size: 0.75rem; color: var(--text-secondary);
  text-transform: uppercase; letter-spacing: 0.15em;
}
.hero__scroll-arrow { display: block; text-align: center; animation: scrollBounce 2s ease-in-out infinite; }
@keyframes scrollBounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }

/* --- Reveal --- */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal--visible { opacity: 1; transform: translateY(0); }

/* --- About --- */
.about__grid { display: grid; grid-template-columns: 280px 1fr; gap: 3rem; align-items: center; }
.about__avatar-inner {
  aspect-ratio: 3/4; padding: 2rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem;
  color: var(--text-secondary);
}
.scanline-text { font-family: 'Share Tech Mono', monospace; font-size: 0.75rem; letter-spacing: 0.2em; text-transform: uppercase; }
.about__text p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 2rem; line-height: 1.8; }
.about__stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat { padding: 1.2rem; text-align: center; }
.stat__value {
  font-family: 'Share Tech Mono', monospace; font-size: 2rem;
  color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); line-height: 1;
}
.stat__value::after { content: '+'; font-size: 0.6em; }
.stat__key { font-family: 'Share Tech Mono', monospace; font-size: 0.65rem; color: var(--text-secondary); letter-spacing: 0.15em; margin-top: 0.4rem; }
.about__lang { display: flex; gap: 0.8rem; flex-wrap: wrap; }

/* --- Experience --- */
.exp__feed { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 1.5rem; }
.exp__entry { padding: 1.5rem 2rem; }
.exp__meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.5rem; }
.exp__date { font-family: 'Share Tech Mono', monospace; font-size: 0.8rem; color: var(--accent); }
.exp__status { font-family: 'Share Tech Mono', monospace; font-size: 0.7rem; color: #27c93f; }
.exp__tag {
  font-family: 'Share Tech Mono', monospace; font-size: 0.65rem;
  padding: 0.15rem 0.5rem; border: 1px solid var(--accent); color: var(--accent);
  border-radius: 2px; letter-spacing: 0.1em;
}
.exp__entry h3 { font-size: 1.1rem; font-weight: 600; color: var(--heading); margin-bottom: 0.3rem; }
.exp__org { font-family: 'Share Tech Mono', monospace; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 0.8rem; }
.exp__entry ul { list-style: none; }
.exp__entry li { font-size: 0.85rem; color: var(--text-secondary); padding: 0.25rem 0 0.25rem 1.2rem; position: relative; }
.exp__entry li::before { content: '>'; position: absolute; left: 0; color: var(--accent); font-family: 'Share Tech Mono', monospace; }

/* --- Skills --- */
.skills__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.skills__block { padding: 1.8rem; }
.skills__block h3 { font-family: 'Share Tech Mono', monospace; font-size: 0.9rem; color: var(--accent); margin-bottom: 1rem; }
.skills__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* --- Education --- */
.edu__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.edu__card { padding: 1.5rem; text-align: center; }
.edu__badge { font-size: 2rem; margin-bottom: 0.8rem; }
.edu__card h3 { font-size: 1rem; font-weight: 600; color: var(--heading); margin-bottom: 0.3rem; }
.edu__card p { font-size: 0.82rem; color: var(--text-secondary); }
.edu__status {
  display: inline-block; margin-top: 0.6rem;
  font-family: 'Share Tech Mono', monospace; font-size: 0.7rem;
  color: var(--text-secondary); letter-spacing: 0.15em;
}
.edu__status--active { color: var(--accent); }
.edu__extras { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.edu__extra { padding: 1.5rem; }
.edu__extra h3 { font-family: 'Share Tech Mono', monospace; font-size: 0.85rem; color: var(--accent); margin-bottom: 1rem; }
.edu__pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* --- Portfolio --- */
.proj__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.proj__card { padding: 2rem; }
.proj__icon { font-size: 2.5rem; margin-bottom: 1rem; }
.proj__card h3 { font-size: 1.05rem; font-weight: 600; color: var(--heading); margin-bottom: 0.5rem; }
.proj__card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 1rem; }
.proj__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* --- Contact --- */
.contact__box { max-width: 600px; margin: 0 auto; padding: 2.5rem; text-align: center; }
.contact__box p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 2rem; }
.contact__links { display: flex; flex-direction: column; align-items: center; gap: 0.8rem; margin-bottom: 2rem; }
.contact__link { text-decoration: none; }

/* --- Footer --- */
.footer { padding: 2rem 0; text-align: center; position: relative; z-index: 3; }
.footer p { font-family: 'Share Tech Mono', monospace; font-size: 0.8rem; color: var(--text-secondary); }

/* --- Back to Top --- */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 100;
  width: 44px; height: 44px; border-radius: 2px;
  background: var(--bg-card); border: 1px solid var(--border); color: var(--accent);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  opacity: 0; visibility: hidden; transition: all 0.3s;
}
.back-to-top--visible { opacity: 1; visibility: visible; }
.back-to-top:hover { border-color: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }

@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__menu-btn { display: flex; }
  .about__grid { grid-template-columns: 1fr; }
  .about__avatar { display: none; }
  .about__stats { grid-template-columns: repeat(2, 1fr); }
  .skills__grid { grid-template-columns: 1fr; }
  .edu__grid { grid-template-columns: 1fr; }
  .edu__extras { grid-template-columns: 1fr; }
  .proj__grid { grid-template-columns: 1fr; }
}