:root {
  --bg: #0b0d0c;
  --bg-2: #121512;
  --ink: #eef2ea;
  --muted: #9aa394;
  --line: rgba(238, 242, 234, 0.1);
  --lime: #c8f542;
  --lime-ink: #14180a;
  --warm: #f3c9a3;
  --hey: #ff8a1a;
  --sleep: #8fb59a;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
html, body { min-height: 100%; max-width: 100%; }
body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }

.wrap { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; min-width: 0; }
.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 500;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  min-width: 0;
}
.site-header.scrolled { border-bottom-color: var(--line); }
.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: Syne, sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.04em;
}
.logo span { color: var(--lime); }
nav { display: flex; gap: 22px; align-items: center; }
nav a { font-size: 0.92rem; color: var(--muted); }
nav a:hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; color: var(--ink); }

.hero {
  position: relative;
  padding: 72px 0 96px;
  overflow: hidden;
  min-width: 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(200, 245, 66, 0.12), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: end;
}
.hero-grid > * { min-width: 0; max-width: 100%; }
.hero h1 {
  font-family: Syne, sans-serif;
  font-size: clamp(2.2rem, 8vw + 0.4rem, 6.6rem);
  line-height: 0.92;
  letter-spacing: -0.06em;
  font-weight: 800;
  margin-top: 18px;
  overflow-wrap: anywhere;
  max-width: 100%;
}
.hero h1 em {
  font-style: normal;
  color: var(--lime);
}
.lede {
  margin-top: 28px;
  max-width: 36rem;
  font-size: 1.18rem;
  color: var(--muted);
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: transform 0.25s var(--ease), background 0.25s;
}
.btn:hover { transform: translateY(-1px); }
.btn-solid { background: var(--lime); color: var(--lime-ink); border-color: var(--lime); font-weight: 600; }
.btn-ghost:hover { background: rgba(255,255,255,0.04); }

.hero-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), transparent);
  padding: 22px;
  min-height: 280px;
  min-width: 0;
  max-width: 100%;
}
.lab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
  min-width: 0;
}
.chip {
  border: 1px solid var(--line);
  padding: 16px;
  min-height: 118px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow-wrap: anywhere;
}
.chip b { font-family: Syne, sans-serif; font-size: 1.15rem; }
.chip small { color: var(--muted); }
.chip-uyku { border-color: color-mix(in srgb, var(--sleep) 45%, var(--line)); }
.chip-hey { border-color: color-mix(in srgb, var(--hey) 45%, var(--line)); }

.marquee {
  border-block: 1px solid var(--line);
  overflow: hidden;
  padding: 14px 0;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.marquee-track { display: flex; gap: 40px; width: max-content; animation: slide 28s linear infinite; }
@keyframes slide { to { transform: translateX(-50%); } }

section { padding: 92px 0; }
.section-head { max-width: 40rem; margin-bottom: 48px; }
h2 {
  font-family: Syne, sans-serif;
  font-size: clamp(1.7rem, 4vw + 0.6rem, 3.1rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
  margin-top: 10px;
  overflow-wrap: anywhere;
}
.muted { color: var(--muted); }

.projects { display: grid; gap: 22px; }
.project {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
}
.project > * { min-width: 0; }
.project-visual {
  min-height: 320px;
  padding: 28px;
  display: grid;
  place-items: center;
  position: relative;
}
.uykulab .project-visual {
  background:
    radial-gradient(circle at 50% 40%, rgba(95, 143, 134, 0.28), transparent 52%),
    #0f2426;
}
.hey .project-visual {
  background:
    radial-gradient(circle at 70% 30%, rgba(255,138,26,0.28), transparent 48%),
    #160e08;
}
.project-body { padding: 36px 34px; }
.project h3 {
  font-family: Syne, sans-serif;
  font-size: 2.1rem;
  letter-spacing: -0.04em;
  margin: 8px 0 12px;
}
.project p { color: var(--muted); max-width: 38rem; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 28px; }
.tag {
  font-size: 0.78rem;
  border: 1px solid var(--line);
  padding: 6px 10px;
  color: var(--ink);
}
.companion, .bubble { width: min(260px, 82%); }
.companion {
  display: block;
  animation: float-soft 6s ease-in-out infinite;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.32));
}
.companion .wave {
  stroke-dasharray: 10 6;
  animation: heartbeat 1.35s linear infinite;
}
@keyframes float-soft {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes heartbeat {
  to { stroke-dashoffset: -32; }
}

.lab {
  background:
    linear-gradient(180deg, transparent, rgba(200,245,66,0.03)),
    var(--bg);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}
.stat {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.stat b {
  display: block;
  font-family: Syne, sans-serif;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}
.stat span { color: var(--muted); font-size: 0.92rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 48px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.88rem;
}

@media (max-width: 860px) {
  .wrap { width: min(var(--max), calc(100% - 40px)); }
  .site-header { gap: 12px; padding: 14px 0; }
  .logo { font-size: 1.02rem; flex-shrink: 0; }
  nav { display: none; }
  nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    right: 0;
    top: 52px;
    background: #151815;
    border: 1px solid var(--line);
    padding: 16px;
    min-width: 180px;
    max-width: calc(100vw - 32px);
    z-index: 50;
  }
  .nav-toggle { display: block; }
  .hero-grid, .project, .stats { grid-template-columns: minmax(0, 1fr); }
  .hero { padding: 28px 0 56px; }
  .hero h1 { font-size: clamp(1.8rem, 7.6vw + 0.35rem, 2.45rem); }
  .eyebrow { letter-spacing: 0.12em; font-size: 0.66rem; }
  .lede { font-size: 1.02rem; margin-top: 20px; max-width: 100%; }
  .hero-panel { padding: 16px; min-height: 0; }
  .lab-grid { gap: 8px; }
  .chip { padding: 12px; min-height: 88px; }
  .chip b { font-size: 1rem; }
  .project-visual { min-height: 220px; padding: 20px; }
  .project-body { padding: 24px 20px; }
  .project h3 { font-size: clamp(1.55rem, 7vw, 2.1rem); }
  section { padding: 56px 0; }
  .stats { gap: 14px; margin-top: 32px; }
}

@media (max-width: 420px) {
  .lab-grid { grid-template-columns: minmax(0, 1fr); }
  .chip { min-height: 76px; }
  .chip small { font-size: 0.72rem; }
  .eyebrow { letter-spacing: 0.1em; }
}