:root {
  --bg: #0a0a0a;
  --bg-2: #121212;
  --line: #262626;
  --fg: #ececec;
  --fg-2: #a3a3a3;
  --accent: #ffa500;
  --accent-2: #ffc44d;
  --max: 900px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus-visible { color: var(--accent-2); text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 16px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--accent);
  color: #000;
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus { left: 8px; }

/* Hero */
.hero {
  border-top: 6px solid var(--accent);
  padding: 56px 0 40px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 165, 0, 0.10), transparent 60%),
    var(--bg);
}

.logo {
  display: block;
  width: min(260px, 60vw);
  height: auto;
  margin: 0 auto 28px;
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--accent), 0 20px 60px rgba(0, 0, 0, 0.6);
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 3.6rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.1;
}
h1 .dot { color: var(--accent); }

.tagline {
  margin: 12px auto 28px;
  max-width: 34ch;
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  color: var(--fg-2);
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0 auto;
  gap: 8px 28px;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
}
nav a {
  color: var(--accent);
  padding: 6px 0;
  padding-left: 0.08em;
  border-bottom: 2px solid transparent;
}
nav a:hover, nav a:focus-visible { color: var(--accent-2); border-bottom-color: var(--accent-2); text-decoration: none; }

/* Sections */
main section.wrap {
  padding: 56px 16px;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.num {
  color: var(--accent);
  font-size: 0.8em;
  font-weight: 600;
  margin-right: 10px;
  font-variant-numeric: tabular-nums;
}

h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

.cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.cols article {
  padding: 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
}
.cols p { color: var(--fg-2); }

.project {
  padding: 28px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
}
.project h3 {
  font-size: 1.4rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--fg);
  margin-bottom: 12px;
}

/* SNH */
.snh {
  background:
    radial-gradient(ellipse at 50% 100%, rgba(255, 165, 0, 0.10), transparent 60%),
    var(--bg);
}
.links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  background: var(--accent);
  color: #000;
  font-weight: 700;
  border: 2px solid var(--accent);
  border-radius: 4px;
}
.btn:hover, .btn:focus-visible { background: var(--accent-2); border-color: var(--accent-2); color: #000; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover, .btn.ghost:focus-visible { background: rgba(255, 165, 0, 0.12); color: var(--accent-2); }

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  text-align: center;
  color: var(--fg-2);
  font-size: 0.95rem;
}
footer p { margin: 0 0 6px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}