/* ══════════════════════════════════════════════════════════════════════════
   TOKENS
══════════════════════════════════════════════════════════════════════════ */
:root {
  --bg:          #0b0c0f;
  --bg-2:        #0f1117;
  --surface:     rgba(255,255,255,0.04);
  --surface-2:   rgba(255,255,255,0.07);
  --border:      rgba(255,255,255,0.07);
  --border-2:    rgba(255,255,255,0.12);
  --text:        #eceef2;
  --text-2:      rgba(236,238,242,0.95);
  --text-3:      rgba(236,238,242,0.78);
  --accent:      #20AAFF;
  --accent-2:    #8AC8FF;
  --accent-glow: rgba(32,170,255,0.18);
  --green:       #22c55e;

  --font:   'Inter', system-ui, sans-serif;
  --mono:   'JetBrains Mono', 'Fira Code', monospace;

  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  28px;

  --ease:       cubic-bezier(.16,1,.3,1);
  --ease-in:    cubic-bezier(.4,0,1,1);
  --ease-out:   cubic-bezier(0,0,.2,1);
}

/* ══════════════════════════════════════════════════════════════════════════
   RESET
══════════════════════════════════════════════════════════════════════════ */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: auto;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ══════════════════════════════════════════════════════════════════════════
   CUSTOM CURSOR
══════════════════════════════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════════════════════════════
   SCROLL PROGRESS
══════════════════════════════════════════════════════════════════════════ */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  z-index: 200;
  transform-origin: left;
  transform: scaleX(0);
  transition: transform .1s linear;
}

/* ══════════════════════════════════════════════════════════════════════════
   LOADING SCREEN
══════════════════════════════════════════════════════════════════════════ */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity .8s var(--ease), visibility .8s;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-name {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--text-3);
  text-transform: uppercase;
}
.loader-bar {
  width: 160px; height: 1px;
  background: var(--border-2);
  border-radius: 1px;
  overflow: hidden;
}
.loader-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  width: 0%;
  transition: width .05s linear;
}

/* ══════════════════════════════════════════════════════════════════════════
   CANVAS
══════════════════════════════════════════════════════════════════════════ */
#canvas-wrap {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#canvas-wrap canvas { display: block; width: 100%!important; height: 100%!important; }

/* ══════════════════════════════════════════════════════════════════════════
   NAV
══════════════════════════════════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 52px;
  transition: background .5s, backdrop-filter .5s, padding .4s, border-color .5s;
  border-bottom: 1px solid transparent;
}
nav.scrolled {
  background: rgba(11,12,15,.85);
  backdrop-filter: blur(20px) saturate(1.2);
  padding: 16px 52px;
  border-bottom-color: var(--border);
}

.nav-logo {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: .04em;
}

.nav-center {
  display: flex;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 40px;
  padding: 6px 8px;
  backdrop-filter: blur(10px);
}
.nav-center a {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 16px;
  border-radius: 30px;
  transition: background .2s, color .2s;
}
.nav-center a:hover { color: var(--text); background: var(--surface-2); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-badge {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-family: var(--mono);
  color: var(--green);
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.2);
  border-radius: 30px;
  padding: 5px 12px;
}
.nav-badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
  0%,100% { opacity:1; } 50% { opacity:.4; }
}
.nav-icons { display: flex; gap: 16px; }
.nav-icons a {
  color: var(--text-2);
  transition: color .2s;
  display: flex; align-items: center;
}
.nav-icons a:hover { color: var(--accent); }
.nav-icons svg { width: 18px; height: 18px; }

/* ── Language switcher ── */
.lang-switcher {
  display: flex;
  gap: 2px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 4px 6px;
}
.lang-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--text-3);
  background: none;
  border: none;
  padding: 4px 9px;
  border-radius: 20px;
  cursor: auto;
  transition: color .2s, background .2s;
}
.lang-btn:hover  { color: var(--text-2); }
.lang-btn.active { color: var(--accent); background: rgba(32,170,255,.1); }

@media (max-width: 900px) { .lang-switcher { display: none; } }

/* ══════════════════════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════════════════════ */
#hero {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 52px 100px;
}
#hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,12,15,.75) 0%, transparent 55%);
  pointer-events: none;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: 20px;
  opacity: 0;
  animation: fade-up .8s var(--ease) .2s forwards;
}
.hero-tag::before {
  content: '';
  display: block; width: 24px; height: 1px;
  background: var(--accent);
}

.hero-name {
  font-size: clamp(56px, 8.5vw, 112px);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: .97;
  margin-bottom: 28px;
  opacity: 0;
  animation: fade-up .9s var(--ease) .35s forwards;
}
.hero-name .line-1 { display: block; color: #fff; }
.hero-name .line-2 {
  display: block;
  background: linear-gradient(95deg, var(--accent) 0%, var(--accent-2) 60%, #fff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  color: #eceef2;
  max-width: 460px;
  line-height: 1.75;
  text-shadow: 0 1px 12px rgba(11,12,15,0.9), 0 0 30px rgba(11,12,15,0.7);
  margin-bottom: 44px;
  opacity: 0;
  animation: fade-up .9s var(--ease) .5s forwards;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fade-up .9s var(--ease) .65s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 700;
  transition: all .25s var(--ease);
  cursor: auto;
  border: none;
  letter-spacing: .01em;
}
.btn-primary {
  background: var(--accent);
  color: #0b0c0f;
}
.btn-primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(32,170,255,.35);
}
.btn-outline {
  background: rgba(11,12,15,0.5);
  color: #eceef2;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 36px; right: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fade-in 1s var(--ease) 1.2s forwards;
}
.hero-scroll span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .15em;
  color: var(--text-3);
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-line 2s var(--ease-in-out) infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; opacity:1; }
  50% { transform: scaleY(1); transform-origin: top; opacity:1; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity:0; }
}

/* ══════════════════════════════════════════════════════════════════════════
   SECTIONS BASE
══════════════════════════════════════════════════════════════════════════ */
.section-wrap {
  position: relative;
  z-index: 1;
  padding: 128px 52px;
}
.section-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11,12,15,.93);
  backdrop-filter: blur(4px);
  z-index: -1;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: '';
  display: block; width: 20px; height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(36px, 4.5vw, 60px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.05;
  margin-bottom: 64px;
}

/* ══════════════════════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════════════════════ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 80px;
  align-items: start;
  max-width: 1080px;
}

.about-body p {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 20px;
}
.about-body p:last-child { margin-bottom: 0; }
.about-body strong { color: var(--text); font-weight: 500; }

.about-right { display: flex; flex-direction: column; gap: 40px; }

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 24px;
  transition: border-color .25s;
}
.stat-card:hover { border-color: var(--border-2); }
.stat-number {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: var(--text-3); }

.skills { display: flex; flex-direction: column; gap: 14px; }
.skill-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.skill-name { font-size: 13px; color: var(--text-2); }
.skill-pct  { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
.skill-bar  {
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(to right, var(--accent), var(--accent-2));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease);
}
.skill-fill.visible { transform: scaleX(1); }

/* ══════════════════════════════════════════════════════════════════════════
   PROJECTS — BENTO GRID
══════════════════════════════════════════════════════════════════════════ */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 16px;
}

.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition: border-color .3s, transform .3s var(--ease), box-shadow .3s;
}
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx,50%) var(--my,50%), rgba(32,170,255,.06), transparent 60%);
  opacity: 0;
  transition: opacity .4s;
}
.bento-card:hover::before { opacity: 1; }
.bento-card:hover {
  border-color: rgba(32,170,255,.25);
  transform: translateY(-4px);
  box-shadow: 0 24px 80px rgba(0,0,0,.4), 0 0 0 1px rgba(32,170,255,.1);
}

.bento-card.featured { grid-column: span 7; }
.bento-card.tall      { grid-column: span 5; }
.bento-card.half      { grid-column: span 6; }
.bento-card.third     { grid-column: span 4; }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.card-icon svg {
  width: 32px; height: 32px;
  color: var(--accent);
  opacity: .8;
}
.card-links { display: flex; gap: 12px; }
.card-links a { color: var(--text-3); transition: color .2s; display: flex; }
.card-links a:hover { color: var(--accent); }
.card-links svg { width: 17px; height: 17px; }

.card-number {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: .1em;
}
.card-name {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
}
.bento-card.featured .card-name { font-size: 28px; }
.card-desc {
  font-size: 14px;
  font-weight: 600;
  color: #eceef2;
  line-height: 1.75;
  flex: 1;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.tag {
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(32,170,255,.08);
  color: var(--accent);
  border: 1px solid rgba(32,170,255,.15);
  letter-spacing: .03em;
}

/* Decorative glow on featured card */
.bento-card.featured::after {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(32,170,255,.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ══════════════════════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════════════════════ */
.contact-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 80px;
  max-width: 1080px;
}
.contact-heading {
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: 24px;
}
.contact-heading span {
  background: linear-gradient(95deg, #fff 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.contact-body {
  font-size: 17px;
  color: var(--text-2);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 40px;
}
.contact-right {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 220px;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  color: var(--text-2);
  transition: all .25s var(--ease);
}
.contact-link svg { width: 18px; height: 18px; flex-shrink: 0; }
.contact-link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateX(4px);
  background: rgba(32,170,255,.05);
}

/* ══════════════════════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 1;
  padding: 28px 52px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(11,12,15,.98);
}
.footer-left {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-3);
}
.footer-left a { color: var(--accent); transition: opacity .2s; }
.footer-left a:hover { opacity: .7; }
.footer-credit {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-credit::before {
  content: '';
  display: block; width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* ══════════════════════════════════════════════════════════════════════════
   REVEAL ANIMATIONS
══════════════════════════════════════════════════════════════════════════ */
@keyframes fade-up {
  from { opacity:0; transform: translateY(20px); }
  to   { opacity:1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity:0; }
  to   { opacity:1; }
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.visible { opacity:1; transform: translateY(0); }

.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .bento-card.featured, .bento-card.tall  { grid-column: span 12; }
  .bento-card.half                        { grid-column: span 12; }
  .bento-card.third                       { grid-column: span 6; }
  .about-grid    { grid-template-columns: 1fr; gap: 56px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 768px) {
  nav { padding: 16px 24px; }
  nav.scrolled { padding: 12px 24px; }
  .nav-center { display: none; }
  #hero { padding: 0 24px 80px; }
  .hero-scroll { right: 24px; }
  .section-wrap { padding: 80px 24px; }
  .bento-card.third { grid-column: span 12; }
  footer { padding: 20px 24px; flex-direction: column; gap: 8px; text-align: center; }
  body { cursor: auto; }
  #cursor-dot, #cursor-ring { display: none; }
}