:root {
  --bg: #04090f;
  --bg-2: #081422;
  --panel: rgba(6, 20, 34, 0.7);
  --cyan: #35d8ff;
  --red: #ff3b4e;
  --yellow: #9fe9ff;
  --text: #d8d6ea;
  --muted: #7d7a99;
  --border: rgba(53, 216, 255, 0.25);
  --font-display: "Orbitron", "Segoe UI", sans-serif;
  --font-mono: "Share Tech Mono", ui-monospace, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  /* sci-fi corridor backdrop, darkened so the UI stays readable */
  background:
    linear-gradient(rgba(4, 9, 15, 0.55), rgba(4, 9, 15, 0.8)),
    url("../assets/background.png") center / cover no-repeat fixed,
    var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

body::before {
  /* subtle vignette + radial glow */
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255, 59, 78, 0.15), transparent 50%),
    radial-gradient(ellipse at 90% 100%, rgba(53, 216, 255, 0.12), transparent 50%);
  pointer-events: none;
  z-index: -2;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 2px,
    transparent 4px
  );
  pointer-events: none;
  z-index: 100;
}

a { color: var(--cyan); text-decoration: none; transition: color 0.2s, text-shadow 0.2s; }
a:hover { color: var(--red); text-shadow: 0 0 8px var(--red); }

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: linear-gradient(to bottom, rgba(7, 6, 13, 0.95), rgba(7, 6, 13, 0.6));
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}

.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--cyan);
  text-shadow: 0 0 10px rgba(53, 216, 255, 0.6);
}

.nav ul {
  list-style: none;
  display: flex;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.nav a {
  color: var(--text);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav a.active,
.nav a:hover { color: var(--yellow); text-shadow: 0 0 8px var(--yellow); }

/* ---------- HERO ---------- */
main { padding: 0 clamp(1.25rem, 5vw, 5rem); }

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 5rem;
  max-width: 900px;
}

.tag {
  color: var(--red);
  letter-spacing: 0.2em;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  line-height: 1;
  color: #fff;
  text-shadow:
    0 0 6px rgba(53, 216, 255, 0.7),
    0 0 24px rgba(53, 216, 255, 0.35);
  position: relative;
  margin-bottom: 1rem;
}

/* Glitch: duplicated layers via data-text */
.glitch { position: relative; }
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  opacity: 0.8;
}
.glitch::before {
  color: var(--red);
  animation: glitch-1 2.8s infinite linear alternate-reverse;
  clip-path: inset(0 0 60% 0);
}
.glitch::after {
  color: var(--cyan);
  animation: glitch-2 3.4s infinite linear alternate-reverse;
  clip-path: inset(55% 0 0 0);
}

@keyframes glitch-1 {
  0%   { transform: translate(-3px, 0); clip-path: inset(10% 0 70% 0); }
  20%  { transform: translate(3px, 0);  clip-path: inset(60% 0 10% 0); }
  40%  { transform: translate(-2px, 0); clip-path: inset(30% 0 40% 0); }
  60%  { transform: translate(2px, 0);  clip-path: inset(80% 0 2% 0); }
  80%  { transform: translate(-1px, 0); clip-path: inset(5% 0 85% 0); }
  100% { transform: translate(0, 0);    clip-path: inset(40% 0 35% 0); }
}
@keyframes glitch-2 {
  0%   { transform: translate(3px, 0);  clip-path: inset(70% 0 5% 0); }
  25%  { transform: translate(-3px, 0); clip-path: inset(20% 0 60% 0); }
  50%  { transform: translate(2px, 0);  clip-path: inset(50% 0 30% 0); }
  75%  { transform: translate(-2px, 0); clip-path: inset(85% 0 5% 0); }
  100% { transform: translate(0, 0);    clip-path: inset(10% 0 80% 0); }
}

.role {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--yellow);
  min-height: 2em;
  margin-bottom: 1.5rem;
}

.cursor { animation: blink 1s steps(2, start) infinite; color: var(--cyan); }
@keyframes blink { to { visibility: hidden; } }

.hero-bio {
  max-width: 620px;
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: background 0.2s, box-shadow 0.2s;
}
.btn:hover {
  background: rgba(53, 216, 255, 0.1);
  box-shadow: 0 0 18px rgba(53, 216, 255, 0.4);
  color: var(--cyan);
  text-shadow: none;
}
.btn-primary {
  background: var(--cyan);
  color: #000;
  font-weight: 700;
}
.btn-primary:hover {
  background: var(--red);
  border-color: var(--red);
  color: #000;
  box-shadow: 0 0 22px rgba(255, 59, 78, 0.6);
}

/* ---------- SECTIONS ---------- */
.section {
  padding: clamp(4rem, 10vh, 7rem) 0;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: #fff;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-title span {
  color: var(--red);
  font-size: 0.6em;
  border: 1px solid var(--red);
  padding: 0.15em 0.5em;
  text-shadow: 0 0 6px var(--red);
}
.section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--cyan), transparent);
  margin-left: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.75rem;
  position: relative;
  box-shadow: 0 0 30px rgba(53, 216, 255, 0.05) inset;
}
.panel::before,
.panel::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 2px solid var(--red);
}
.panel::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.panel::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

/* ---------- ABOUT ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}
@media (max-width: 800px) { .about-grid { grid-template-columns: 1fr; } }

.stats { display: flex; flex-direction: column; gap: 1.25rem; justify-content: center; }
.stat-value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--yellow);
  text-shadow: 0 0 10px rgba(159, 233, 255, 0.5);
}
.stat-label { color: var(--muted); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.15em; }

/* ---------- SKILLS ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.skill-name { display: flex; justify-content: space-between; margin-bottom: 0.4rem; color: #fff; }
.skill-name em { font-style: normal; color: var(--cyan); }
.bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--cyan));
  box-shadow: 0 0 10px var(--cyan);
  transition: width 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- PROJECTS ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.project {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.project:hover {
  transform: translateY(-6px);
  border-color: var(--red);
  box-shadow: 0 10px 40px rgba(255, 59, 78, 0.25);
}
.project-index {
  font-family: var(--font-display);
  color: var(--muted);
  font-size: 0.8rem;
}
.project h3 {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.3rem;
}
.project p { color: var(--muted); flex: 1; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-chip {
  font-size: 0.75rem;
  color: var(--yellow);
  border: 1px solid rgba(159, 233, 255, 0.4);
  padding: 0.15rem 0.5rem;
}
.project-links { display: flex; gap: 1.25rem; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.1em; }

/* ---------- TIMELINE ---------- */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 2rem;
  border-left: 1px dashed var(--cyan);
  max-width: 800px;
}
.timeline li {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 1rem;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: calc(-2rem - 6px);
  top: 0.4rem;
  width: 11px; height: 11px;
  background: var(--bg);
  border: 2px solid var(--red);
  box-shadow: 0 0 10px var(--red);
  border-radius: 50%;
}
.t-period { color: var(--cyan); font-size: 0.85rem; letter-spacing: 0.1em; }
.t-role { font-family: var(--font-display); color: #fff; font-size: 1.2rem; margin: 0.2rem 0; }
.t-company { color: var(--yellow); }
.t-summary { color: var(--muted); margin-top: 0.4rem; }

/* ---------- CONTACT ---------- */
.contact { text-align: center; }
.contact-intro { color: var(--muted); margin-bottom: 2.5rem; }
.contact-links { display: flex; justify-content: center; gap: 1.25rem; flex-wrap: wrap; }
.contact-links .btn { min-width: 180px; }

/* ---------- FOOTER ---------- */
.footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
}

/* ---------- HUD HERO (reference: sci-fi UI) ---------- */
.hero {
  max-width: 1200px;
  width: 100%;
  min-height: 100vh;
  justify-content: center;
}

.hud-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 1.4fr) minmax(220px, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.hud-main { padding: 0 0.5rem; }

.hud-panel {
  position: relative;
  background: linear-gradient(160deg, rgba(8, 26, 44, 0.85), rgba(4, 12, 22, 0.75));
  border: 1px solid var(--border);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  box-shadow: 0 0 25px rgba(53, 216, 255, 0.08), inset 0 0 30px rgba(53, 216, 255, 0.04);
  backdrop-filter: blur(4px);
}
/* corner brackets on all four corners */
.hud-panel::before,
.hud-panel::after {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  border: 2px solid var(--cyan);
  pointer-events: none;
}
.hud-panel::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.hud-panel::after  { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.hud-label {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-transform: uppercase;
  opacity: 0.85;
}

.portrait-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(53, 216, 255, 0.35);
  aspect-ratio: 3 / 4;
  background: #02060b;
}
.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.6) contrast(1.05) brightness(0.95);
  display: block;
}
.portrait-frame::after {
  /* blue tint overlay */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(53, 216, 255, 0.12), rgba(53, 216, 255, 0.25));
  mix-blend-mode: screen;
  pointer-events: none;
}
.scan-line {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  top: 0;
  animation: scan 3.2s linear infinite;
  z-index: 2;
  pointer-events: none;
}
@keyframes scan {
  0%   { top: 0; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.hud-readout {
  display: grid;
  gap: 0.45rem;
  font-size: 0.8rem;
}
.hud-readout div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(53, 216, 255, 0.2);
  padding-bottom: 0.3rem;
}
.hud-readout span { color: var(--muted); letter-spacing: 0.1em; }
.hud-readout b { color: var(--cyan); font-weight: 400; text-align: right; }

#globe {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
}

@media (max-width: 960px) {
  .hud-grid { grid-template-columns: 1fr; }
  .portrait-frame { max-width: 320px; margin: 0 auto; width: 100%; }
  .globe-panel { order: 3; }
  .hud-main { order: 2; text-align: center; }
  .hero-actions { justify-content: center; }
}

/* ---------- REVEAL ON SCROLL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- MOBILE ---------- */
@media (max-width: 720px) {
  .nav ul { gap: 0.75rem; }
  .nav a { font-size: 0.7rem; letter-spacing: 0.05em; }
  .logo { font-size: 1rem; }
}
@media (max-width: 520px) {
  .nav { flex-direction: column; gap: 0.5rem; }
}

/* ---------- ACCESSIBILITY ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal { opacity: 1; transform: none; }
}