:root {
  --bg: #090b0f;
  --bg-soft: #0e1117;
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.075);
  --text: #f5f7fb;
  --muted: #a7adba;
  --line: rgba(255, 255, 255, 0.12);
  --lime: #c7ff45;
  --lavender: #b9a7ff;
  --orchid: #e071ff;
  --gold: #e8c66a;
  --shell: min(1180px, calc(100% - 40px));
  --radius: 26px;
  --radius-sm: 16px;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 8%, rgba(185, 167, 255, 0.13), transparent 28%),
    radial-gradient(circle at 88% 18%, rgba(199, 255, 69, 0.08), transparent 25%),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 72%);
}

::selection { background: var(--lime); color: #111; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 12px 16px;
  color: #111;
  background: var(--lime);
  border-radius: 10px;
}
.skip-link:focus { top: 16px; }

.shell { width: var(--shell); margin-inline: auto; }
.section-pad { padding: 120px 0; position: relative; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: 220ms ease;
}
.site-header.scrolled {
  background: rgba(9, 11, 15, 0.76);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.nav-wrap {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 760; letter-spacing: -0.02em; }
.brand-mark {
  width: 38px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(199, 255, 69, 0.5);
  border-radius: 11px;
  color: var(--lime);
  background: rgba(199, 255, 69, 0.07);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.brand-name { font-size: 0.98rem; }
.site-nav { display: flex; align-items: center; gap: 32px; color: #d7dbe3; font-size: 0.92rem; }
.site-nav a { transition: color 180ms ease; }
.site-nav a:hover { color: var(--lime); }
.nav-cta { border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--text); }

.hero { padding-top: 178px; min-height: 940px; display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center; }
.eyebrow {
  margin: 0 0 20px;
  color: var(--lime);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.hero h1,
.section-heading h2,
.contact-card h2,
.current-card h2 {
  margin: 0;
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
.hero h1 { max-width: 820px; font-size: clamp(4.1rem, 7.3vw, 7.35rem); }
.hero h1 span:first-of-type { color: var(--lavender); }
.hero h1 span:last-of-type { color: var(--lime); }
.hero-lede { max-width: 720px; margin: 34px 0 0; color: #c3c8d2; font-size: 1.19rem; line-height: 1.75; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 780;
  font-size: 0.94rem;
  transition: 190ms ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: #10120f; background: var(--lime); border-color: var(--lime); box-shadow: 0 12px 32px rgba(199, 255, 69, 0.16); }
.button-primary:hover { box-shadow: 0 18px 42px rgba(199, 255, 69, 0.24); }
.button-ghost { background: rgba(255, 255, 255, 0.035); }
.button-ghost:hover { border-color: rgba(255, 255, 255, 0.28); background: rgba(255, 255, 255, 0.06); }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 66px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-proof div { display: grid; gap: 3px; }
.hero-proof strong { font-size: 0.92rem; }
.hero-proof span { color: var(--muted); font-size: 0.78rem; line-height: 1.45; }

.hero-visual { min-height: 610px; position: relative; }
.signal-card {
  position: absolute;
  inset: 58px 0 auto 18px;
  min-height: 510px;
  padding: 24px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.025));
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 34px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}
.signal-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -70px;
  top: -80px;
  border-radius: 50%;
  background: rgba(224, 113, 255, 0.14);
  filter: blur(32px);
}
.signal-topline, .signal-footer { position: relative; display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 0.68rem; letter-spacing: 0.13em; }
.signal-live { color: var(--lime); }
.signal-live::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 16px var(--lime); }
.orbit { width: 360px; max-width: 85%; aspect-ratio: 1; position: relative; margin: 46px auto 38px; }
.orbit-ring { position: absolute; inset: 0; border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 50%; }
.ring-one { animation: spin 20s linear infinite; }
.ring-one::after { content: ""; position: absolute; width: 10px; height: 10px; right: 32px; top: 55px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 24px var(--lime); }
.ring-two { inset: 70px; border-color: rgba(185, 167, 255, 0.28); animation: spin-reverse 15s linear infinite; }
.ring-two::after { content: ""; position: absolute; width: 9px; height: 9px; left: 6px; top: 75px; border-radius: 50%; background: var(--lavender); box-shadow: 0 0 20px var(--lavender); }
.core { position: absolute; inset: 50%; width: 112px; height: 112px; display: grid; place-items: center; transform: translate(-50%, -50%); border: 1px solid rgba(199, 255, 69, 0.5); border-radius: 26px; background: rgba(199, 255, 69, 0.1); color: var(--lime); font-size: 1.5rem; font-weight: 850; box-shadow: 0 0 60px rgba(199, 255, 69, 0.09); }
.node { position: absolute; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; background: #11151d; color: #d9dde5; font-size: 0.65rem; }
.node-one { top: 14%; left: 2%; }
.node-two { top: 12%; right: 1%; }
.node-three { bottom: 15%; left: 3%; }
.node-four { bottom: 7%; right: 4%; }
.signal-footer { justify-content: center; gap: 12px; letter-spacing: 0.06em; }
.mini-card { position: absolute; width: 220px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(12, 15, 21, 0.92); box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28); }
.mini-card-one { right: -38px; top: 18px; transform: rotate(2deg); }
.mini-card-two { left: -32px; bottom: 8px; transform: rotate(-2deg); }
.mini-label { display: block; margin-bottom: 7px; color: var(--orchid); font-size: 0.66rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
.mini-card-two .mini-label { color: var(--gold); }
.mini-card strong { font-size: 0.91rem; line-height: 1.4; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes spin-reverse { to { transform: rotate(-360deg); } }

.marquee { overflow: hidden; padding: 22px 0; border-block: 1px solid var(--line); background: rgba(255, 255, 255, 0.025); }
.marquee-track { width: max-content; display: flex; align-items: center; gap: 34px; color: #aeb4bf; font-size: 0.72rem; font-weight: 800; letter-spacing: 0.15em; animation: marquee 28s linear infinite; }
.marquee-track i { width: 5px; height: 5px; border-radius: 50%; background: var(--lime); }
@keyframes marquee { to { transform: translateX(-50%); } }

.split-section { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 120px; align-items: start; }
.section-heading h2, .current-card h2, .contact-card h2 { font-size: clamp(3rem, 5.2vw, 5.6rem); }
.about-copy { max-width: 720px; }
.about-copy p { color: var(--muted); font-size: 1.04rem; }
.about-copy .large-copy { margin-top: 0; color: var(--text); font-size: clamp(1.48rem, 2.2vw, 2.18rem); line-height: 1.38; letter-spacing: -0.026em; }
.founder-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.founder-strip span, .tag-row span { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; color: #ccd1da; background: rgba(255, 255, 255, 0.025); font-size: 0.73rem; }

.portfolio-section { background: linear-gradient(to bottom, transparent, rgba(185, 167, 255, 0.04), transparent); }
.portfolio-heading { display: flex; justify-content: space-between; gap: 64px; align-items: end; margin-bottom: 56px; }
.section-intro { max-width: 440px; margin: 0 0 8px; color: var(--muted); }
.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.project-card { min-height: 440px; position: relative; display: flex; flex-direction: column; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.02)); transition: 220ms ease; }
.project-card:hover { transform: translateY(-5px); border-color: rgba(255, 255, 255, 0.24); background: linear-gradient(145deg, rgba(255, 255, 255, 0.076), rgba(255, 255, 255, 0.025)); }
.project-card::after { content: ""; position: absolute; width: 260px; height: 260px; right: -100px; bottom: -150px; border-radius: 50%; background: rgba(185, 167, 255, 0.1); filter: blur(25px); }
.project-featured::after { background: rgba(199, 255, 69, 0.12); }
.project-education::after { background: rgba(232, 198, 106, 0.11); }
.project-meta { display: flex; align-items: center; justify-content: space-between; }
.project-number { color: #757c89; font-size: 0.76rem; font-weight: 780; }
.status { padding: 6px 10px; border-radius: 999px; color: var(--lime); background: rgba(199, 255, 69, 0.08); border: 1px solid rgba(199, 255, 69, 0.19); font-size: 0.67rem; font-weight: 760; }
.project-icon { width: 54px; aspect-ratio: 1; display: grid; place-items: center; margin-top: 56px; border-radius: 15px; color: var(--lavender); background: rgba(185, 167, 255, 0.09); border: 1px solid rgba(185, 167, 255, 0.22); font-weight: 850; }
.project-featured .project-icon { color: var(--lime); background: rgba(199, 255, 69, 0.08); border-color: rgba(199, 255, 69, 0.2); }
.project-education .project-icon { color: var(--gold); background: rgba(232, 198, 106, 0.08); border-color: rgba(232, 198, 106, 0.2); }
.project-card h3 { margin: 26px 0 2px; font-size: 2rem; letter-spacing: -0.035em; }
.project-kicker { margin: 0 0 20px; color: #c9ced8; font-size: 0.85rem; font-weight: 700; }
.project-card > p:not(.project-kicker) { max-width: 580px; color: var(--muted); }
.tag-row { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; padding-top: 28px; }

.thesis-section { padding-bottom: 80px; }
.thesis-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 100px; }
.thesis-list { border-top: 1px solid var(--line); }
.thesis-list article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.thesis-list article > span { color: var(--lime); font-size: 0.74rem; font-weight: 800; }
.thesis-list h3 { margin: 0 0 10px; font-size: 1.34rem; line-height: 1.35; letter-spacing: -0.02em; }
.thesis-list p { margin: 0; color: var(--muted); }

.current-section { padding-top: 30px; }
.current-card { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 80px; align-items: center; padding: 62px; border: 1px solid rgba(199, 255, 69, 0.18); border-radius: 34px; background: linear-gradient(135deg, rgba(199, 255, 69, 0.075), rgba(185, 167, 255, 0.045)); box-shadow: var(--shadow); }
.current-card h2 { max-width: 700px; font-size: clamp(2.7rem, 4.4vw, 4.75rem); }
.current-points { display: grid; gap: 0; }
.current-points p { margin: 0; padding: 16px 0 16px 22px; border-bottom: 1px solid var(--line); position: relative; color: #d1d5de; }
.current-points p::before { content: ""; width: 7px; height: 7px; position: absolute; left: 0; top: 25px; border-radius: 50%; background: var(--lime); }
.current-points p:last-child { border-bottom: 0; }

.contact-section { padding-top: 80px; }
.contact-card { text-align: center; padding: 90px 40px; overflow: hidden; position: relative; border: 1px solid var(--line); border-radius: 36px; background: radial-gradient(circle at center top, rgba(224, 113, 255, 0.11), transparent 40%), rgba(255, 255, 255, 0.025); }
.contact-card::before, .contact-card::after { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; filter: blur(70px); opacity: 0.18; }
.contact-card::before { left: -80px; top: -120px; background: var(--lavender); }
.contact-card::after { right: -80px; bottom: -140px; background: var(--lime); }
.contact-card h2, .contact-card p, .contact-card .contact-actions, .contact-card .eyebrow { position: relative; z-index: 1; }
.contact-card h2 { max-width: 900px; margin-inline: auto; }
.contact-card > p:not(.eyebrow) { max-width: 700px; margin: 26px auto 0; color: var(--muted); font-size: 1.08rem; }
.contact-actions { justify-content: center; }

.site-footer { padding: 50px 0 32px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.1fr 0.7fr auto; gap: 60px; align-items: end; }
.footer-brand { margin-bottom: 15px; }
.footer-grid p { max-width: 390px; margin: 0; color: var(--muted); font-size: 0.84rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, max-content); gap: 10px 24px; color: #c9ced7; font-size: 0.83rem; }
.copyright { text-align: right; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1020px) {
  .section-pad { padding: 95px 0; }
  .hero { min-height: auto; padding-top: 145px; }
  .hero-grid, .split-section, .thesis-grid, .current-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 34px; }
  .hero h1 { font-size: clamp(3.8rem, 10vw, 6rem); }
  .hero-visual { min-height: 610px; max-width: 620px; width: 100%; margin-inline: auto; }
  .split-section, .thesis-grid { gap: 46px; }
  .portfolio-heading { align-items: start; flex-direction: column; gap: 24px; }
  .current-card { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .copyright { text-align: left; grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .section-pad { padding: 78px 0; }
  .nav-wrap { min-height: 68px; }
  .menu-toggle { display: block; color: var(--text); }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(13, 16, 22, 0.97);
    box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 14px; }
  .nav-cta { border: 0; border-radius: 10px; background: rgba(255, 255, 255, 0.05); }
  .hero { padding-top: 120px; }
  .hero h1 { font-size: clamp(3.25rem, 15vw, 5.2rem); }
  .hero-lede { font-size: 1.03rem; }
  .hero-proof { grid-template-columns: 1fr; gap: 16px; margin-top: 46px; }
  .hero-visual { min-height: 520px; }
  .signal-card { inset: 34px 0 auto; min-height: 445px; padding: 18px; border-radius: 26px; }
  .orbit { margin-top: 38px; max-width: 92%; }
  .mini-card { width: 180px; padding: 14px; }
  .mini-card-one { right: -4px; top: 0; }
  .mini-card-two { left: -3px; bottom: 0; }
  .section-heading h2, .contact-card h2 { font-size: clamp(2.65rem, 13vw, 4.2rem); }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 430px; padding: 24px; }
  .current-card { padding: 34px 24px; border-radius: 25px; }
  .contact-card { padding: 68px 22px; border-radius: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .copyright { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}