:root {
  --void: #06080f;
  --panel: #0d1220;
  --fog: #e7ecf7;
  --mute: #93a0bd;
  --cyan: #3de0d0;
  --cyan-dim: rgba(61, 224, 208, 0.14);
  --line: rgba(231, 236, 247, 0.12);
  --font: "DM Sans", sans-serif;
  --mono: "JetBrains Mono", monospace;
  --max: 1120px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--void);
  color: var(--fog);
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0 0 .8rem; letter-spacing: -0.035em; line-height: 1.08; font-weight: 600; }
h1 { font-size: clamp(2.5rem, 6vw, 4.6rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
.skip {
  position: absolute; left: 1rem; top: -100px; z-index: 100;
  background: var(--cyan); color: var(--void); padding: .55rem 1rem;
}
.skip:focus { top: 1rem; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 clamp(1.1rem, 3.5vw, 2rem); }

/* ——— Navbar ——— */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 1rem clamp(0.85rem, 2.5vw, 1.4rem) 0;
  pointer-events: none;
  transition: padding .4s var(--ease);
}
.site-header.is-scrolled { padding-top: .65rem; }

.nav-shell {
  pointer-events: auto;
  max-width: calc(var(--max) + 1rem);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  min-height: 3.7rem;
  padding: .4rem .45rem .4rem 1rem;
  border: 1px solid rgba(61, 224, 208, 0.18);
  border-radius: 16px;
  background: rgba(6, 8, 15, 0.55);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.03) inset,
    0 12px 40px rgba(0, 0, 0, 0.35);
  transition: background .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
}
.site-header.is-scrolled .nav-shell {
  background: rgba(13, 18, 32, 0.88);
  border-color: rgba(61, 224, 208, 0.28);
  box-shadow: 0 10px 32px rgba(0,0,0,.4);
}

.logo {
  justify-self: start;
  display: inline-flex; align-items: center; gap: .65rem;
  text-decoration: none; font-weight: 700; font-size: 1.05rem; letter-spacing: -0.03em;
}
.logo-orbit {
  width: 1.15rem; height: 1.15rem; border-radius: 50%;
  border: 1.5px solid var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
  position: relative;
}
.logo-orbit::after {
  content: ""; position: absolute; width: 4px; height: 4px; border-radius: 50%;
  background: var(--cyan); top: -2px; right: 2px;
  animation: spin 4s linear infinite;
}

.nav { justify-self: center; }
.nav-track {
  position: relative;
  display: flex; align-items: center; gap: .15rem;
  padding: .2rem;
  border-radius: 12px;
  background: rgba(255,255,255,0.04);
}
.nav-track a {
  position: relative; z-index: 1;
  padding: .55rem 1rem; border-radius: 10px;
  text-decoration: none; font-size: .875rem; font-weight: 500;
  color: var(--mute); transition: color .25s;
}
.nav-track a:hover,
.nav-track a.is-active { color: var(--fog); }
.nav-indicator {
  position: absolute; top: .2rem; bottom: .2rem; left: 0;
  width: 0; border-radius: 10px;
  background: var(--cyan-dim);
  border: 1px solid rgba(61, 224, 208, 0.25);
  transition: transform .4s var(--ease), width .4s var(--ease);
  pointer-events: none;
}

.nav-actions {
  justify-self: end; display: flex; align-items: center; gap: .45rem;
}
.nav-cta {
  display: inline-flex; align-items: center;
  padding: .7rem 1.1rem; border-radius: 10px;
  background: var(--cyan); color: var(--void);
  font-size: .875rem; font-weight: 700; text-decoration: none;
  transition: transform .2s var(--ease), filter .2s;
}
.nav-cta:hover { transform: translateY(-1px); filter: brightness(1.05); color: var(--void); }

.nav-toggle {
  display: none; width: 2.55rem; height: 2.55rem; border: 0; border-radius: 10px;
  background: rgba(255,255,255,0.06); cursor: pointer; padding: 0;
}
.nav-toggle span {
  display: block; width: 1rem; height: 1.5px; margin: .32rem auto; background: var(--fog);
  transition: transform .3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.3px) rotate(-45deg); }

.nav-drawer {
  pointer-events: auto;
  max-width: calc(var(--max) + 1rem);
  margin: .55rem auto 0;
  padding: .75rem;
  border-radius: 16px;
  border: 1px solid rgba(61, 224, 208, 0.2);
  background: rgba(13, 18, 32, 0.96);
  backdrop-filter: blur(18px);
  animation: drawer .35s var(--ease);
}
.nav-drawer[hidden] { display: none; }
.nav-drawer nav { display: grid; gap: .2rem; }
.nav-drawer a {
  display: block; padding: .95rem 1rem; border-radius: 10px;
  text-decoration: none; font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em;
  transition: background .2s;
}
.nav-drawer a:hover { background: var(--cyan-dim); }
.drawer-cta {
  margin-top: .35rem !important;
  background: var(--cyan) !important; color: var(--void) !important; text-align: center;
}

/* Hero & sections */
.hero {
  position: relative; min-height: 100svh; display: grid; align-items: end; overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%; height: 100%; object-fit: cover; opacity: .5;
  transform: scale(1.06); animation: zoom 16s var(--ease) forwards;
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 70% 20%, rgba(61,224,208,.18), transparent 50%),
    linear-gradient(180deg, rgba(6,8,15,.4), rgba(6,8,15,.92));
}
.orbit-ring {
  position: absolute; width: min(52vw, 420px); aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(61,224,208,.25);
  right: 8%; top: 18%;
  animation: spin 28s linear infinite;
}
.orbit-ring::before {
  content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); top: 12%; left: 50%;
  box-shadow: 0 0 16px var(--cyan);
}
.hero-copy {
  position: relative; z-index: 1; max-width: var(--max); width: 100%; margin: 0 auto;
  padding: 7rem clamp(1.1rem, 3.5vw, 2rem) 4rem;
}
.brand {
  margin: 0 0 1rem; font-size: clamp(2.8rem, 8vw, 5.2rem); font-weight: 700;
  letter-spacing: -0.05em; line-height: .95; animation: up .8s var(--ease) both;
}
.hero h1 { max-width: 14ch; animation: up .8s var(--ease) .1s both; }
.lead {
  max-width: 36ch; color: var(--mute); animation: up .8s var(--ease) .2s both;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem;
  animation: up .8s var(--ease) .3s both;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.2rem; border-radius: 10px; border: 1px solid transparent;
  font: inherit; font-weight: 700; font-size: .92rem; text-decoration: none; cursor: pointer;
  transition: transform .2s var(--ease), filter .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-cyan { background: var(--cyan); color: var(--void); }
.btn-ghost { border-color: var(--line); color: var(--fog); background: transparent; }

.section { padding: clamp(4.5rem, 10vw, 7rem) 0; }
.section-panel { background: var(--panel); }
.section-agenda { border-top: 1px solid var(--line); }
.tag {
  margin: 0 0 .65rem; font-family: var(--mono); font-size: .75rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--cyan);
}
.split {
  display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(1.5rem, 4vw, 3rem);
}
.split p { color: var(--mute); }

.orbit-list {
  list-style: none; margin: 2.2rem 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem;
}
.orbit-list li {
  padding: 1.4rem; border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255,255,255,0.02);
}
.orbit-list span {
  display: block; margin-bottom: .8rem; font-family: var(--mono); font-size: .8rem; color: var(--cyan);
}
.orbit-list p { color: var(--mute); margin: 0; }

.lab-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 3rem); align-items: center;
}
.lab-grid img { width: 100%; aspect-ratio: 4/5; object-fit: cover; border-radius: 14px; }
.ticks { list-style: none; margin: 1.2rem 0 0; padding: 0; }
.ticks li {
  padding: .7rem 0 .7rem 1.4rem; border-top: 1px solid var(--line);
  color: var(--mute); position: relative;
}
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 1.15rem;
  width: .55rem; height: .55rem; border-radius: 50%; background: var(--cyan);
}

.agenda { list-style: none; margin: 2rem 0 0; padding: 0; }
.agenda li {
  display: grid; grid-template-columns: 5.5rem 1fr; gap: 1.2rem;
  padding: 1.2rem 0; border-top: 1px solid var(--line);
}
.agenda time {
  font-family: var(--mono); font-size: .85rem; color: var(--cyan); padding-top: .2rem;
}
.agenda p { margin: 0; color: var(--mute); }

.contact { background: #04060c; }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem;
}
.contact a { color: var(--cyan); text-decoration: none; }
.form { display: grid; gap: .85rem; }
.form label { display: grid; gap: .35rem; font-size: .85rem; font-weight: 600; }
.form input, .form textarea, .form select {
  width: 100%; padding: .8rem .9rem; border-radius: 10px;
  border: 1px solid var(--line); background: rgba(255,255,255,.04);
  color: var(--fog); font: inherit;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: 2px solid rgba(61,224,208,.5); outline-offset: 1px;
}
.form .btn { justify-self: start; }
.status { color: var(--cyan); margin: 0; }

.footer {
  border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--mute); font-size: .9rem;
}
.footer-row { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.logo-foot { margin: 0; color: var(--fog); font-weight: 700; }

.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.on { opacity: 1; transform: none; }

@keyframes up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: none; }
}
@keyframes zoom { to { transform: scale(1); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drawer {
  from { opacity: 0; transform: translateY(-8px) scale(.98); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .brand, .hero h1, .lead, .hero-actions, .hero-media img, .orbit-ring, .logo-orbit::after {
    animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important;
  }
}

@media (max-width: 900px) {
  .nav-shell { grid-template-columns: 1fr auto; }
  .nav { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: grid; place-items: center; }
  .split, .orbit-list, .lab-grid, .contact-grid { grid-template-columns: 1fr; }
  .lab-grid img { aspect-ratio: 16/10; }
}