:root {
  --bg: #071018;
  --bg-2: #0b1722;
  --panel: rgba(9, 22, 33, 0.88);
  --panel-2: rgba(12, 29, 44, 0.92);
  --ink: #d7e6f3;
  --muted: #7f97ab;
  --line: rgba(107, 199, 255, 0.18);
  --line-strong: rgba(107, 199, 255, 0.42);
  --accent: #72e4ff;
  --accent-2: #8bffb0;
  --warning: #ff8f66;
  --shadow: 0 26px 60px rgba(0, 0, 0, 0.42);
  --glow: 0 0 24px rgba(114, 228, 255, 0.16);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Lucida Sans Unicode", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background:
    radial-gradient(circle at top right, rgba(114, 228, 255, 0.12), transparent 28rem),
    radial-gradient(circle at bottom left, rgba(139, 255, 176, 0.08), transparent 26rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background:
    linear-gradient(rgba(114, 228, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(114, 228, 255, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.015), rgba(0,0,0,0.08));
  mix-blend-mode: screen;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

img {
  max-width: 100%;
  height: auto;
}

.site-shell {
  position: relative;
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.topbar {
  padding: 1.1rem 0 0;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.topbar a,
.landing-link,
.eyebrow,
.future-space::before,
.meta,
.button,
.chip {
  font-family: "Courier New", Courier, monospace;
}

.topbar a {
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.73rem;
}

.topbar a::before {
  content: "[";
  color: var(--line-strong);
  margin-right: 0.2rem;
}

.topbar a::after {
  content: "]";
  color: var(--line-strong);
  margin-left: 0.2rem;
}

.topbar a:hover,
.landing-link:hover,
.button:hover,
.button.ghost:hover,
.post-card a:hover,
.chip:hover {
  color: var(--accent-2);
}

.landing {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 2rem 0 4rem;
}

.landing-card {
  position: relative;
  min-height: 76vh;
  padding: clamp(1.4rem, 3vw, 2.8rem);
  border: 1px solid var(--line-strong);
  border-radius: 1.25rem;
  background:
    linear-gradient(180deg, rgba(10, 24, 37, 0.92), rgba(7, 16, 24, 0.96)),
    var(--panel);
  box-shadow: var(--shadow), var(--glow);
  overflow: hidden;
}

.landing-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 78%, rgba(114, 228, 255, 0.08) 78%, transparent 78.3%),
    linear-gradient(transparent 0 86%, rgba(114, 228, 255, 0.08) 86%, transparent 86.3%);
}

.landing-link {
  position: absolute;
  top: 1.3rem;
  right: 1.5rem;
  z-index: 2;
  display: grid;
  grid-template-columns: auto auto;
  gap: 0.15rem 0.6rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.95rem;
  background: rgba(7, 16, 24, 0.88);
  color: var(--ink);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.landing-link-kicker {
  grid-column: 1 / -1;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.65rem;
}

.landing-link-title {
  color: #eef9ff;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.landing-link-arrow {
  color: var(--accent-2);
  font-size: 1.1rem;
  justify-self: end;
}

.landing-link:hover {
  border-color: var(--accent);
}

.landing-title {
  position: relative;
  z-index: 1;
  margin: 2.4rem 0 0;
  max-width: 7ch;
  color: #eef9ff;
  font-size: clamp(4rem, 13vw, 9.5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  text-shadow: 0 0 30px rgba(114, 228, 255, 0.12);
}

.landing-subtitle {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  margin: 1.8rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.future-space {
  position: relative;
  z-index: 1;
  margin-top: 2.2rem;
  min-height: 16rem;
  border: 1px dashed var(--line);
  border-radius: 1rem;
  background:
    linear-gradient(180deg, rgba(114, 228, 255, 0.03), rgba(114, 228, 255, 0.01));
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

h1,
h2,
h3 {
  margin: 0 0 0.85rem;
  line-height: 1.06;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 1.18rem;
}

p {
  margin: 0 0 1rem;
  line-height: 1.75;
  font-size: 1rem;
}

.hero,
.section {
  padding: 0 0 2rem;
}

.hero-grid,
.cards-grid,
.archive-grid {
  display: grid;
  gap: 1rem;
}

.hero-grid {
  grid-template-columns: 2fr 1fr;
}

.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.archive-grid {
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.hero-card,
.section-card,
.post-card,
.archive-card,
.post-body {
  background:
    linear-gradient(180deg, rgba(14, 31, 47, 0.92), rgba(9, 22, 33, 0.94)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
}

.hero-card,
.section-card,
.archive-card,
.post-body {
  padding: 1.4rem;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(114, 228, 255, 0.04);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.post-list {
  display: grid;
  gap: 0.85rem;
}

.post-card {
  padding: 1rem 1.05rem;
}

.post-card a {
  color: var(--ink);
  text-decoration: none;
}

.meta {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin-bottom: 0.55rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

.button {
  display: inline-block;
  padding: 0.72rem 0.95rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--accent);
  color: #071018;
  text-decoration: none;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.button.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}

.post-layout {
  padding: 1.25rem 0 4rem;
}

.post-wrap {
  max-width: 860px;
  margin: 0 auto;
}

.post-body {
  background:
    linear-gradient(180deg, rgba(12, 29, 44, 0.96), rgba(8, 18, 28, 0.98));
}

.post-body img {
  display: block;
  margin: 1.4rem auto;
  border-radius: 0.5rem;
  border: 1px solid var(--line);
}

.post-body pre,
.post-body code {
  font-family: "Courier New", Courier, monospace;
  color: #c7f8d3;
}

.footer {
  padding: 2rem 0 3rem;
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 840px) {
  .hero-grid,
  .archive-grid {
    grid-template-columns: 1fr;
  }

  .landing {
    padding: 1rem 0 2rem;
  }

  .landing-card {
    min-height: 72vh;
  }

  .landing-link {
    top: 1rem;
    right: 1rem;
  }

  .landing-title {
    margin-top: 2.8rem;
  }

  .future-space {
    min-height: 11rem;
  }

  .hero-card,
  .section-card,
  .archive-card,
  .post-body {
    padding: 1.05rem;
  }
}