:root {
  --bg: #000;
  --surface: #0b0b0d;
  --text: #f4f4f5;
  --muted: #a1a1aa;
  --teal: #4fb3bf;
  --purple: #8b7cf6;
  --max: 1000px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  font-size: 1.05rem;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--teal); text-decoration: none; }
a:hover, a:focus-visible { color: var(--purple); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  border-bottom: 1px solid #1c1c20;
  position: sticky; top: 0; z-index: 10;
  background: rgba(0,0,0,.92);
  backdrop-filter: blur(6px);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); font-weight: 600; letter-spacing: .04em; }
.brand img { width: 36px; height: 36px; }
nav a { color: var(--muted); margin-left: 20px; font-size: .95rem; letter-spacing: .06em; text-transform: uppercase; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }
nav a[aria-current="page"] { border-bottom: 2px solid var(--teal); padding-bottom: 3px; }

/* Waveform bars motif */
.bars {
  height: 90px;
  background:
    repeating-linear-gradient(90deg, #111 0 14px, transparent 14px 34px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 20%, #000 80%, transparent);
  border-radius: 8px;
}

/* Hero */
.hero { padding: 70px 0 40px; text-align: center; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 40% 55% at 25% 55%, rgba(79,179,191,.22), transparent 70%),
    radial-gradient(ellipse 40% 55% at 75% 55%, rgba(139,124,246,.22), transparent 70%);
  pointer-events: none;
}
.hero > * { position: relative; }
.hero .logo { width: 150px; margin: 0 auto 20px; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; margin: 0 0 12px; }
h2 { font-size: 1.6rem; margin: 0 0 12px; }
.tagline { color: var(--muted); font-size: 1.2rem; max-width: 36ch; margin: 0 auto 28px; }

.btn {
  display: inline-block; padding: 12px 24px; border-radius: 999px;
  border: 1px solid var(--teal); color: var(--text); font-weight: 600; cursor: pointer;
  background: transparent; font-size: 1rem; font-family: inherit;
}
.btn:hover, .btn:focus-visible { background: linear-gradient(90deg, var(--teal), var(--purple)); border-color: transparent; color: #000; }
.btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Sections */
section { padding: 40px 0; }
.grid { display: grid; gap: 28px; grid-template-columns: 1fr 1fr; align-items: center; }
.card { background: var(--surface); border: 1px solid #1c1c20; border-radius: 14px; padding: 24px; }
.cards { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.photo { border-radius: 14px; width: 100%; object-fit: cover; }
.photo.wide { aspect-ratio: 8 / 7; }
.photo.square { aspect-ratio: 1 / 1; }
.muted { color: var(--muted); }

/* Blog */
.post-list { list-style: none; margin: 0; padding: 0; }
.post-list li { padding: 20px 0; border-bottom: 1px solid #1c1c20; }
.post-list .date { color: var(--muted); font-size: .9rem; }
.post-list h2 { margin: 4px 0; font-size: 1.3rem; }
article.post { max-width: 680px; }

/* Form */
form { display: grid; gap: 16px; max-width: 560px; }
label { display: grid; gap: 6px; font-weight: 600; }
input, textarea {
  background: var(--surface); color: var(--text); border: 1px solid #2a2a30; border-radius: 10px;
  padding: 12px; font: inherit;
}
input:focus, textarea:focus { outline: 2px solid var(--teal); border-color: transparent; }
.hp { position: absolute; left: -9999px; }

footer.site { border-top: 1px solid #1c1c20; padding: 28px 0 40px; margin-top: 40px; color: var(--muted); font-size: .9rem; text-align: center; }
footer.site a { margin: 0 10px; }

@media (max-width: 720px) {
  .grid { grid-template-columns: 1fr; }
  nav a { margin-left: 14px; font-size: .85rem; }
  .hero { padding-top: 40px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }