:root {
  --bg: #071014;
  --bg-soft: #0d1a20;
  --panel: rgb(255 255 255 / 7%);
  --panel-strong: rgb(255 255 255 / 11%);
  --text: #f1f7f8;
  --muted: #a7b8bd;
  --line: rgb(255 255 255 / 12%);
  --accent: #54f2c2;
  --accent-2: #72a7ff;
  --accent-3: #f8d66d;
  --shadow: 0 1.5rem 5rem rgb(0 0 0 / 35%);
  --radius: 1.5rem;
  --max: 1180px;
  color-scheme: dark;
}

:root.hot {
  --accent: #ff7ad9;
  --accent-2: #7cf5ff;
  --accent-3: #fff06d;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgb(84 242 194 / 18%), transparent 32rem),
    radial-gradient(circle at 85% 15%, rgb(114 167 255 / 16%), transparent 34rem),
    radial-gradient(circle at 50% 90%, rgb(248 214 109 / 10%), transparent 36rem),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 260 260' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
}

.cursor-glow {
  position: fixed;
  width: 24rem;
  height: 24rem;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgb(84 242 194 / 18%), transparent 60%);
  filter: blur(6px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.site-header, main, .footer { position: relative; z-index: 2; }
.site-header {
  width: min(var(--max), calc(100% - 2rem));
  margin: 1rem auto 0;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(7 16 20 / 70%);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 1rem;
  z-index: 20;
  box-shadow: 0 1rem 3rem rgb(0 0 0 / 20%);
}

.brand, .nav, .theme-toggle, .brand-mark { display: flex; align-items: center; }
.brand { gap: 0.75rem; font-weight: 800; }
.brand-mark {
  justify-content: center;
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 50%;
  color: #061014;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 2rem rgb(84 242 194 / 25%);
}
.nav { gap: 0.25rem; }
.nav a {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.94rem;
  transition: color .2s ease, background .2s ease;
}
.nav a:hover { color: var(--text); background: var(--panel); }
.theme-toggle {
  justify-content: center;
  width: 2.55rem;
  height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  cursor: pointer;
}
.theme-toggle span {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
}

.section-pad { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; padding: 7rem 0; }
.section-pad.compact { padding: 4.5rem 0; }
.hero {
  min-height: calc(100vh - 6rem);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 4rem;
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font: 700 0.78rem/1.4 "JetBrains Mono", monospace;
}
.pulse-dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.55rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgb(84 242 194 / 55%);
  animation: pulse 1.8s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 0.8rem transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 1.5rem;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  line-height: 0.92;
  letter-spacing: -0.07em;
}
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -0.05em; }
h3 { margin-bottom: 0.85rem; font-size: 1.25rem; letter-spacing: -0.02em; }
p { color: var(--muted); line-height: 1.75; }
.hero-lead { max-width: 48rem; font-size: 1.13rem; }

.hero-actions, .stats, .filter-tabs, .project-meta { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.hero-actions { margin-top: 2.1rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight: 800;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); border-color: rgb(255 255 255 / 26%); }
.btn-primary { color: #071014; background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: 0; }
.btn-ghost { background: var(--panel); }

.stats { margin-top: 2.3rem; }
.stats div {
  min-width: 11rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgb(255 255 255 / 5%);
}
.stats strong, .stats span { display: block; }
.stats span { margin-top: 0.35rem; color: var(--muted); font-size: 0.9rem; }

.hero-visual { position: relative; min-height: 35rem; display: grid; place-items: center; perspective: 1000px; }
.terminal-card {
  width: min(100%, 34rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgb(255 255 255 / 12%), rgb(255 255 255 / 6%));
  box-shadow: var(--shadow);
  overflow: hidden;
  transform-style: preserve-3d;
}
.terminal-top {
  display: grid;
  grid-template-columns: 0.75rem 0.75rem 0.75rem 1fr;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem;
  border-bottom: 1px solid var(--line);
  background: rgb(0 0 0 / 18%);
}
.terminal-top span { width: 0.75rem; height: 0.75rem; border-radius: 50%; background: var(--panel-strong); }
.terminal-top p { margin: 0; text-align: center; font: 600 0.82rem "JetBrains Mono", monospace; }
.terminal-body { padding: 1.3rem; font: 0.95rem/1.8 "JetBrains Mono", monospace; }
.terminal-body p { margin: 0.45rem 0; color: #dff6f2; }
.terminal-body .muted { color: var(--accent-2); }
.terminal-body .success { color: var(--accent); }
.terminal-body .warn { color: var(--accent-3); }
.caret { animation: blink 1s steps(2, start) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  z-index: -1;
  animation: float 8s ease-in-out infinite;
}
.orb-a { width: 11rem; height: 11rem; right: 3rem; top: 3rem; background: rgb(84 242 194 / 25%); }
.orb-b { width: 15rem; height: 15rem; left: 0; bottom: 2rem; background: rgb(114 167 255 / 18%); animation-delay: -2s; }
@keyframes float { 0%, 100% { transform: translate3d(0,0,0); } 50% { transform: translate3d(0,-1.4rem,0); } }

.section-heading { max-width: 46rem; margin-bottom: 2rem; }
.section-heading.row { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.skill-grid, .project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.project-grid { grid-template-columns: repeat(2, 1fr); }
.skill-card, .project-card, .contact-card, .about-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgb(255 255 255 / 9%), rgb(255 255 255 / 4%));
  box-shadow: 0 1rem 3rem rgb(0 0 0 / 16%);
}
.skill-card, .project-card { padding: 1.25rem; transform-style: preserve-3d; transition: opacity .25s ease, transform .25s ease; }
.skill-card p, .project-card p { margin-bottom: 0; }
.card-icon { display: inline-block; margin-bottom: 2.5rem; color: var(--accent); font: 700 0.9rem "JetBrains Mono", monospace; }
.project-card { padding: 1.5rem; }
.project-card.hidden { display: none; }
.project-meta { margin-bottom: 1.25rem; }
.project-meta span, .stack-cloud span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgb(255 255 255 / 5%);
  color: #d7e7ea;
  font: 700 0.78rem/1 "JetBrains Mono", monospace;
}
.project-meta span { padding: 0.45rem 0.6rem; }
.project-card ul { margin: 1.25rem 0 0; padding-left: 1.1rem; color: var(--muted); line-height: 1.7; }
.filter-tabs { justify-content: flex-end; }
.filter-tabs button {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: var(--panel);
  font: 800 0.8rem Inter, sans-serif;
  cursor: pointer;
}
.filter-tabs button.active { color: #071014; background: var(--accent); border-color: transparent; }

.stack-cloud { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.stack-cloud span { padding: 0.8rem 1rem; transition: transform .2s ease, background .2s ease; }
.stack-cloud span:hover { transform: translateY(-3px); background: var(--panel-strong); }

.about-panel {
  display: grid;
  grid-template-columns: 1fr 18rem;
  gap: 2rem;
  align-items: center;
  padding: 2rem;
  overflow: hidden;
}
.signal { position: relative; min-height: 16rem; display: grid; place-items: center; }
.signal span {
  position: absolute;
  width: calc(4rem + var(--i, 0) * 3rem);
  height: calc(4rem + var(--i, 0) * 3rem);
  border: 1px solid rgb(84 242 194 / 38%);
  border-radius: 50%;
  animation: ripple 2.8s ease-out infinite;
  animation-delay: calc(var(--i, 0) * -0.45s);
}
.signal span:nth-child(1) { --i: 0; }
.signal span:nth-child(2) { --i: 1; }
.signal span:nth-child(3) { --i: 2; }
.signal span:nth-child(4) { --i: 3; }
@keyframes ripple { 0% { opacity: 0; transform: scale(.75); } 40% { opacity: 1; } 100% { opacity: 0; transform: scale(1.25); } }

.contact-section { padding-top: 4rem; }
.contact-card { max-width: 52rem; margin: 0 auto; padding: 2rem; text-align: center; }
.contact-card .btn { margin-top: 0.25rem; }

.contact-form {
  margin-top: 2rem;
  text-align: left;
  display: grid;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.form-row label {
  font: 700 0.78rem/1.4 "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgb(0 0 0 / 22%);
  color: var(--text);
  font: inherit;
  resize: vertical;
  transition: border-color .2s ease, background .2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: rgb(84 242 194 / 45%);
  background: rgb(0 0 0 / 30%);
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 0;
  min-height: 1.5rem;
  font-size: 0.92rem;
}

.form-status.success { color: var(--accent); }
.form-status.error { color: #ff8f8f; }

.contact-form .btn[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}
.footer {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.footer p { margin: 0; }
.footer a { color: var(--text); font-weight: 800; }

[data-reveal] { opacity: 0; transform: translateY(1.2rem); transition: opacity .65s ease, transform .65s ease; }
[data-reveal].visible { opacity: 1; transform: translateY(0); }

@media (max-width: 940px) {
  .brand-text { display: none; }
  .nav { display: none; }
  .hero, .about-panel { grid-template-columns: 1fr; }
  .hero { gap: 1rem; padding-top: 4rem; }
  .hero-visual { min-height: 28rem; }
  .skill-grid, .project-grid { grid-template-columns: 1fr 1fr; }
  .section-heading.row { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .section-pad { width: min(100% - 1rem, var(--max)); padding: 4.5rem 0; }
  .site-header { width: calc(100% - 1rem); }
  h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .skill-grid, .project-grid { grid-template-columns: 1fr; }
  .stats div { width: 100%; }
  .terminal-body { font-size: 0.8rem; }
  .about-panel, .contact-card { padding: 1.25rem; }
  .footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .001ms !important; }
  .cursor-glow { display: none; }
}