:root {
  color-scheme: dark;
  --bg: #030712;
  --surface: #0b1220;
  --surface-alt: #101a2f;
  --text: #f3f7ff;
  --muted: #9fb0cf;
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --border: #1e3a5f;
  --shadow: rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top left, #13233f 0%, var(--bg) 45%, #02050b 100%);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

.wrap {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.top-bar {
  position: sticky;
  top: 0;
  background: rgba(3, 7, 18, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(30, 58, 95, 0.8);
  z-index: 10;
}

.nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.menu {
  display: flex;
  gap: 1.25rem;
}

.menu a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.intro {
  padding: 5rem 0 4rem;
}

.intro-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.tag {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 700;
  color: #60a5fa;
  margin-bottom: 0.5rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin-top: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin-bottom: 1rem;
}

.intro-copy,
.block-title p,
.project p,
.note-box p,
.footer-wrap p {
  color: var(--muted);
}

.button {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-main {
  background: linear-gradient(135deg, var(--primary), #60a5fa);
  color: white;
}

.button-main:hover {
  background: linear-gradient(135deg, var(--primary-dark), #3b82f6);
}

.button-alt {
  background: var(--surface);
  color: #dbeafe;
  border: 1px solid var(--border);
}

.side-note,
.project,
.note-box {
  background: rgba(11, 18, 32, 0.95);
  border: 1px solid var(--border);
  border-radius: 1.2rem;
  box-shadow: 0 20px 45px var(--shadow);
}

.side-note {
  padding: 1.5rem;
}

.side-note ul {
  padding-left: 1.1rem;
  margin-bottom: 0;
  color: var(--muted);
}

.block {
  padding: 4rem 0;
}

.block-alt {
  background: rgba(255, 255, 255, 0.03);
}

.block-title {
  margin-bottom: 2rem;
}

.project-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.project {
  padding: 1.5rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

.note-box {
  padding: 1.5rem;
  background: var(--surface-alt);
}

.footer-wrap {
  padding: 2.5rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
}

.hidden-audio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  border: 0;
}

@media (max-width: 800px) {
  .intro-inner,
  .two-col,
  .project-list {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .nav-row {
    flex-direction: column;
    gap: 0.7rem;
  }

  .menu {
    gap: 0.9rem;
  }

  .intro {
    padding-top: 3rem;
  }
}