:root {
  --bg: #06080c;
  --bg-2: #0a0e15;
  --ink: #eef1f5;
  --ink-dim: #8590a0;
  --ink-faint: #3f4754;
  --line: rgba(255,255,255,0.07);
  --line-2: rgba(255,255,255,0.14);
  --cyan: #66e5ff;
  --amber: #ffb547;
  --glass: rgba(255,255,255,0.035);

  --display: 'Fraunces', 'Times New Roman', serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --content-max: 540px;
  --section-vpad: 160px;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--display);
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body {
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(102,229,255,0.045), transparent 55%),
    radial-gradient(ellipse 70% 50% at 50% 110%, rgba(255,181,71,0.035), transparent 55%),
    var(--bg);
  background-attachment: fixed;
}

/* film grain */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 200;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: overlay;
}

/* ============== NAV ============== */
.nav {
  position: fixed; top: 20px; left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex; align-items: center; gap: 4px;
  padding: 8px 8px 8px 20px;
  background: rgba(10,14,21,0.62);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--line);
  border-radius: 100px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.nav-mark {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: 15px;
  color: var(--ink);
  padding-right: 16px;
  border-right: 1px solid var(--line);
  margin-right: 4px;
}

.nav a {
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 100px;
  transition: all 0.4s var(--ease);
  white-space: nowrap;
}

.nav a:hover { color: var(--ink); background: rgba(255,255,255,0.04); }
.nav .cta { color: var(--bg); background: var(--ink); padding: 8px 16px; }
.nav .cta:hover { background: var(--cyan); }

/* ============== 3D STAGE ============== */
#stage {
  position: fixed; inset: 0;
  z-index: 1;
  pointer-events: none;
}

#stage canvas { width: 100% !important; height: 100% !important; display: block; }

/* Soft mask gradients that protect the text side */
.stage-mask {
  position: fixed; inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1s var(--ease);
}

.stage-mask.left {
  /* dims the LEFT half so right-side 3D pops, but a soft mid-fade keeps it natural */
  background: linear-gradient(90deg, var(--bg) 0%, rgba(6,8,12,0.85) 25%, transparent 60%);
}

.stage-mask.right {
  background: linear-gradient(270deg, var(--bg) 0%, rgba(6,8,12,0.85) 25%, transparent 60%);
}

.stage-mask.center {
  background: radial-gradient(ellipse 60% 40% at 50% 50%, transparent 0%, rgba(6,8,12,0.6) 80%);
}

/* progress rail */
.progress {
  position: fixed; right: 32px; top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex; flex-direction: column; gap: 14px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}

.progress-item {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer;
  transition: color 0.4s var(--ease);
}

.progress-item:hover { color: var(--ink); }

.progress-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-faint);
  transition: all 0.5s var(--ease);
}

.progress-item.active { color: var(--ink); }
.progress-item.active .dot {
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  transform: scale(1.5);
}

.progress-item .label {
  opacity: 0;
  transform: translateX(8px);
  transition: all 0.4s var(--ease);
}

.progress-item:hover .label,
.progress-item.active .label {
  opacity: 1;
  transform: translateX(0);
}

/* ============== SECTIONS ============== */
main { position: relative; z-index: 3; }

section {
  min-height: 100vh;
  padding: var(--section-vpad) 6vw;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* SAFE ZONES — content always sits on one half, 3D on the other.
   The grid columns enforce a no-overlap layout. */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 80px;
  align-items: center;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

.section-grid.right .section-content { grid-column: 2; }
.section-grid.right .section-spacer { grid-column: 1; grid-row: 1; }

.section-content {
  max-width: var(--content-max);
  position: relative;
  z-index: 5;
  /* subtle backdrop so text sits cleanly even if a particle drifts */
  padding: 8px 0;
}

.section-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex; align-items: center; gap: 12px;
}

.section-eyebrow::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--cyan);
}

.section-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
}

.section-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--cyan);
}

.section-title em.amber { color: var(--amber); }

.section-text {
  font-size: 1.12rem;
  line-height: 1.6;
  color: var(--ink-dim);
  font-weight: 300;
  letter-spacing: -0.005em;
  margin-bottom: 32px;
}

.section-text strong { color: var(--ink); font-weight: 400; }

/* ============== HERO ============== */
.hero {
  text-align: center;
  align-items: center;
  padding-top: 140px;
  min-height: 100vh;
}

.hero-content {
  position: relative;
  z-index: 5;
  max-width: 920px;
}

.hero-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-bottom: 36px;
  display: flex; align-items: center; gap: 14px;
  justify-content: center;
}

.hero-meta .live {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: livePulse 2.4s ease-in-out infinite;
}

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

.hero-name {
  font-family: var(--display);
  font-size: clamp(4rem, 13vw, 10rem);
  font-weight: 200;
  line-height: 0.92;
  letter-spacing: -0.05em;
  margin-bottom: 32px;
}

.hero-name .last {
  font-style: italic;
  font-weight: 300;
}

.hero-sub {
  font-family: var(--mono);
  font-size: clamp(0.85rem, 1.1vw, 0.95rem);
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  margin-bottom: 8px;
  line-height: 1.7;
}

.hero-sub .sep { color: var(--cyan); margin: 0 12px; }
.hero-sub .amber { color: var(--amber); }

.hero-tagline {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.2rem, 2.1vw, 1.65rem);
  font-weight: 300;
  color: var(--ink);
  max-width: 620px;
  margin: 36px auto 56px;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.hero-cta {
  display: flex; gap: 12px;
  justify-content: center;
}

.btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 16px 28px;
  border-radius: 100px;
  border: 1px solid var(--line-2);
  background: var(--glass);
  backdrop-filter: blur(12px);
  color: var(--ink);
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 10px;
  transition: all 0.5s var(--ease);
  cursor: pointer;
}

.btn:hover { border-color: var(--ink); background: rgba(255,255,255,0.06); transform: translateY(-2px); }
.btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-primary:hover { background: var(--cyan); border-color: var(--cyan); }
.btn .arrow { transition: transform 0.4s var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }

.hero-scrollhint {
  position: absolute;
  bottom: 50px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--ink-faint);
  text-transform: uppercase;
  display: flex; flex-direction: column;
  align-items: center; gap: 14px;
}

.hero-scrollhint .ln {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--ink-faint), transparent);
  position: relative; overflow: hidden;
}

.hero-scrollhint .ln::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollLine 2.8s ease-in-out infinite;
}

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

/* ============== LANGUAGES ============== */
.lang-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--line);
}

.lang-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 24px; align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding 0.6s var(--ease);
}

.lang-row:hover { padding-left: 12px; }

.lang-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
}

.lang-name {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: -0.02em;
}

.lang-name em {
  font-style: italic;
  color: var(--ink-dim);
  font-size: 1rem;
  margin-left: 12px;
}

.lang-level {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--cyan);
  text-transform: uppercase;
}

.lang-row:nth-child(2) .lang-level { color: var(--amber); }

.lang-foot {
  margin-top: 28px;
  font-family: var(--display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-dim);
  max-width: 540px;
  line-height: 1.5;
}

/* ============== EXPERIENCE / CARDS ============== */
.exp-card {
  background: rgba(10,14,21,0.55);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.exp-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
}

.exp-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  padding: 6px 12px;
  border-radius: 100px;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.exp-tag.cyan {
  color: var(--cyan);
  border: 1px solid rgba(102,229,255,0.3);
  background: rgba(102,229,255,0.05);
}

.exp-tag.amber {
  color: var(--amber);
  border: 1px solid rgba(255,181,71,0.3);
  background: rgba(255,181,71,0.05);
}

.exp-meta {
  display: flex; justify-content: space-between;
  align-items: baseline;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--ink-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.exp-meta .role { color: var(--cyan); }
.exp-card.amber-style .exp-meta .role { color: var(--amber); }

.exp-title {
  font-family: var(--display);
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 18px;
}

.exp-title em { font-style: italic; color: var(--cyan); }
.exp-card.amber-style .exp-title em { color: var(--amber); }

.exp-desc {
  font-size: 1rem;
  color: var(--ink-dim);
  line-height: 1.6;
  margin-bottom: 24px;
}

.exp-bullets {
  list-style: none;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.exp-bullets li {
  font-family: var(--display);
  font-size: 0.96rem;
  color: var(--ink);
  padding: 14px 0 14px 32px;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-weight: 300;
  letter-spacing: -0.005em;
}

.exp-bullets li::before {
  content: '';
  position: absolute; left: 0; top: 22px;
  width: 16px; height: 1px;
  background: var(--cyan);
}

.exp-card.amber-style .exp-bullets li::before { background: var(--amber); }

.exp-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink);
  text-decoration: none;
  padding: 10px 16px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  transition: all 0.4s var(--ease);
}

.exp-link:hover { background: rgba(255,255,255,0.05); border-color: var(--cyan); color: var(--cyan); }

/* ============== PROJECTS ============== */
.proj-stack {
  display: flex; flex-direction: column;
  gap: 32px;
}

.proj-card {
  background: rgba(10,14,21,0.55);
  backdrop-filter: blur(24px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.5s var(--ease);
}

.proj-card:hover { border-color: var(--line-2); }

.proj-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
}

.proj-head {
  display: flex; justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}

.proj-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.18em;
}

.proj-card.amber-style .proj-num { color: var(--amber); }

.proj-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-faint);
  text-transform: uppercase;
}

.proj-title {
  font-family: var(--display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin-bottom: 14px;
}

.proj-title em { font-style: italic; color: var(--cyan); }
.proj-card.amber-style .proj-title em { color: var(--amber); }

.proj-desc {
  font-size: 0.98rem;
  color: var(--ink-dim);
  line-height: 1.55;
  margin-bottom: 22px;
}

.proj-bullets {
  list-style: none;
  margin-bottom: 22px;
  border-top: 1px solid var(--line);
}

.proj-bullets li {
  font-family: var(--display);
  font-size: 0.94rem;
  color: var(--ink);
  padding: 11px 0 11px 28px;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-weight: 300;
}

.proj-bullets li::before {
  content: '';
  position: absolute; left: 0; top: 18px;
  width: 14px; height: 1px;
  background: var(--cyan);
  opacity: 0.7;
}

.proj-card.amber-style .proj-bullets li::before { background: var(--amber); }

.proj-foot {
  display: flex; justify-content: space-between;
  align-items: center; gap: 16px;
  flex-wrap: wrap;
}

.proj-tech {
  display: flex; flex-wrap: wrap; gap: 6px;
}

.chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  border-radius: 100px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--line);
  color: var(--ink-dim);
}

/* ============== SKILLS ============== */
.skills-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.skill-col {
  border-top: 1px solid var(--line);
  padding-top: 24px;
}

.skill-col-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.skill-col ul { list-style: none; }

.skill-col li {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  padding: 11px 0;
  color: var(--ink);
  transition: all 0.4s var(--ease);
}

.skill-col li:hover {
  color: var(--cyan);
  transform: translateX(6px);
}

.skill-col li em {
  font-style: italic;
  color: var(--ink-dim);
  font-size: 0.85rem;
  display: block;
  margin-top: 2px;
}

/* ============== CAPABILITIES ============== */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
}

.cap-item {
  padding: 30px 26px;
  background: var(--bg);
  position: relative;
  transition: background 0.5s var(--ease);
}

.cap-item:hover { background: var(--bg-2); }

.cap-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.cap-text {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.cap-text em { font-style: italic; color: var(--cyan); }

/* ============== FUTURE GOALS ============== */
.goals-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.goal-card {
  padding: 36px 28px;
  background: rgba(10,14,21,0.45);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.5s var(--ease);
}

.goal-card:hover { border-color: var(--line-2); }

.goal-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin-bottom: 18px;
}

.goal-text {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.45;
}

.goal-text em { font-style: italic; color: var(--amber); }

/* ============== CONTACT ============== */
.contact {
  text-align: center;
  align-items: center;
  min-height: 90vh;
}

.contact-content { position: relative; z-index: 5; }

.contact-pretitle {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.contact-title {
  font-family: var(--display);
  font-size: clamp(3rem, 9vw, 7rem);
  font-weight: 200;
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-bottom: 32px;
}

.contact-title em { font-style: italic; color: var(--cyan); }

.contact-sub {
  font-family: var(--display);
  font-size: 1.2rem;
  color: var(--ink-dim);
  max-width: 480px;
  margin: 0 auto 48px;
  line-height: 1.5;
  font-style: italic;
}

.contact-links {
  display: flex; justify-content: center; gap: 12px;
  flex-wrap: wrap;
}

.footer {
  padding: 40px 6vw 50px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-faint);
  text-transform: uppercase;
  position: relative;
  z-index: 3;
}

.footer .accent { color: var(--cyan); }

/* ============== RESPONSIVE ============== */
@media (max-width: 900px) {
  .progress { display: none; }
  /* hide heavy 3D on mobile, but keep CSS atmosphere */
  #stage { opacity: 0.18; filter: blur(2px); }

  .nav { font-size: 10px; padding: 6px 6px 6px 14px; }
  .nav-mark { padding-right: 10px; margin-right: 2px; font-size: 13px; }
  .nav a { padding: 6px 10px; }
  .nav .hide-mobile { display: none; }

  :root { --section-vpad: 100px; }
  section { padding: var(--section-vpad) 5vw; }
  .section-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .section-grid.right .section-content { grid-column: 1; }
  .section-grid.right .section-spacer { display: none; }
  .section-grid:not(.right) .section-spacer { display: none; }

  .skills-cols { grid-template-columns: 1fr; gap: 20px; }
  .cap-grid, .goals-list { grid-template-columns: 1fr; }
  .exp-card, .proj-card { padding: 28px 22px; }
  .lang-row { grid-template-columns: 50px 1fr auto; gap: 14px; }
  .footer { flex-direction: column; gap: 12px; text-align: center; }
}

.fade-up { opacity: 0; transform: translateY(40px); will-change: opacity, transform; }