/* ---------- Theme tokens ---------- */
:root {
  --bg-0:        #06080f;
  --bg-1:        #0a0e1a;
  --bg-2:        #11162a;
  --bg-elev:     rgba(14, 20, 38, 0.72);
  --line:        rgba(0, 240, 255, 0.14);
  --line-strong: rgba(0, 240, 255, 0.32);

  --fg:          #d8e1ff;
  --fg-dim:      #8a93b6;
  --fg-mute:     #5a6285;

  --neon-cyan:   #00f0ff;
  --neon-mag:    #ff2e88;
  --neon-lime:   #b6ff3c;
  --neon-violet: #8a5cff;

  --accent:      var(--neon-cyan);
  --accent-2:    var(--neon-mag);

  --glow-cyan:   0 0 1px rgba(0, 240, 255, 0.9), 0 0 18px rgba(0, 240, 255, 0.35);
  --glow-mag:    0 0 1px rgba(255, 46, 136, 0.9), 0 0 18px rgba(255, 46, 136, 0.35);

  --font-display: "Orbitron", "JetBrains Mono", ui-monospace, monospace;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --font-body:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --radius:      4px;
  --maxw:        1180px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background-color: var(--bg-0);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 46, 136, 0.12), transparent 60%),
    radial-gradient(900px 600px at -10% 10%, rgba(0, 240, 255, 0.10), transparent 60%),
    linear-gradient(180deg, #05070d 0%, #06080f 60%, #04060c 100%);
  background-attachment: fixed;
}

/* subtle scanline overlay */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.018) 0,
    rgba(255, 255, 255, 0.018) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 1;
  mix-blend-mode: overlay;
}

/* faint grid texture behind content */
body::after {
  content: "";
  position: fixed;
  inset: -56px 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(0, 240, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 240, 255, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
          mask-image: radial-gradient(ellipse at 50% 30%, #000 0%, transparent 75%);
  z-index: 0;
  will-change: transform;
  animation: grid-undulate 14s ease-in-out infinite;
}

@keyframes grid-undulate {
  0%   { transform: translate3d(-14px, 0, 0); }
  50%  { transform: translate3d( 14px, 0, 0); }
  100% { transform: translate3d(-14px, 0, 0); }
}

@media (prefers-reduced-motion: reduce) {
  body::after { animation: none; transform: none; }
}

main, header, footer { position: relative; z-index: 2; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: #fff; text-shadow: var(--glow-cyan); }

p { color: var(--fg-dim); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--fg);
  margin: 0 0 0.6em;
  line-height: 1.15;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; letter-spacing: 0.16em; text-transform: uppercase; }

code, kbd, .mono { font-family: var(--font-mono); }

::selection { background: var(--accent); color: var(--bg-0); }

/* ---------- Layout ---------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
  border-top: 1px solid var(--line);
}

section:first-of-type { border-top: none; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(6, 8, 15, 0.92), rgba(6, 8, 15, 0.62) 70%, transparent);
  -webkit-backdrop-filter: blur(8px);
          backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  letter-spacing: 0.18em;
  font-size: 0.95rem;
  color: var(--fg);
  text-transform: uppercase;
}

.brand:hover { color: var(--fg); text-shadow: none; }

.brand-mark {
  width: 28px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  box-shadow: var(--glow-cyan);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0;
  line-height: 1;
}

.brand-name { color: var(--fg); }
.brand-name .accent { color: var(--accent); }

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  position: relative;
  padding: 6px 0;
}

.site-nav a:hover { color: var(--fg); text-shadow: none; }

.site-nav a::before {
  content: "// ";
  color: var(--fg-mute);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bg-0);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--glow-cyan);
  transition: transform 80ms ease, box-shadow 200ms ease, background 200ms ease;
  cursor: pointer;
}

.btn:hover {
  background: #fff;
  border-color: #fff;
  color: var(--bg-0);
  text-shadow: none;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-strong);
  box-shadow: none;
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: transparent;
  text-shadow: var(--glow-cyan);
}

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.hero .eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-lime);
  box-shadow: 0 0 8px var(--neon-lime);
}

.hero h1 .accent { color: var(--accent); text-shadow: var(--glow-cyan); }
.hero h1 .accent-mag { color: var(--accent-2); text-shadow: var(--glow-mag); }

.hero p.lead {
  max-width: 640px;
  font-size: 1.1rem;
  color: var(--fg-dim);
  margin: 0 0 36px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

.hero-meta .stat { font-family: var(--font-mono); }

.hero-meta .num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--fg);
  display: block;
}

.hero-meta .label {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

/* ---------- Section header ---------- */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 32px;
  flex-wrap: wrap;
}

.section-header .kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-header h2 .accent { color: var(--accent); }
.section-header p { max-width: 480px; margin: 0; }

/* ---------- Service cards ---------- */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service {
  background: var(--bg-1);
  padding: 32px 28px;
  position: relative;
  transition: background 200ms ease;
}

.service:hover { background: var(--bg-2); }

.service::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 32px;
  height: 1px;
  background: var(--accent);
  box-shadow: var(--glow-cyan);
  transition: width 200ms ease;
}

.service:hover::before { width: 100%; }

.service .num {
  font-family: var(--font-mono);
  color: var(--fg-mute);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  margin-bottom: 18px;
}

.service h3 { margin-bottom: 12px; color: var(--fg); }
.service p { margin: 0 0 18px; font-size: 0.95rem; }

.service ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-dim);
}

.service ul li {
  padding: 4px 0;
  border-top: 1px dashed var(--line);
}

.service ul li::before {
  content: "› ";
  color: var(--accent);
}

/* ---------- Process ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  counter-reset: step;
}

.step {
  border: 1px solid var(--line);
  padding: 28px 24px;
  background: var(--bg-elev);
  position: relative;
}

.step::before {
  counter-increment: step;
  content: "0" counter(step);
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
  display: block;
  margin-bottom: 12px;
  line-height: 1;
}

.step h3 {
  font-size: 0.95rem;
  margin-bottom: 8px;
  letter-spacing: 0.14em;
}

.step p { margin: 0; font-size: 0.9rem; }

/* ---------- Stack badges ---------- */
.stack-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--fg-dim);
  background: rgba(0, 240, 255, 0.04);
}

/* ---------- CTA ---------- */
.cta {
  border: 1px solid var(--line-strong);
  padding: 56px 48px;
  background:
    linear-gradient(135deg, rgba(255, 46, 136, 0.08), rgba(0, 240, 255, 0.05) 60%, transparent),
    var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
}

.cta::before, .cta::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--accent);
}

.cta::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.cta::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; border-color: var(--accent-2); }

.cta h2 { margin: 0; }
.cta p  { margin: 8px 0 0; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-mute);
  letter-spacing: 0.14em;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-footer .accent { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .site-nav { display: none; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
  .cta { padding: 36px 24px; }
  section { padding: 72px 0; }
}

/* ---------- Forms / auth ---------- */
.flash {
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 240, 255, 0.05);
  color: var(--fg);
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.flash-alert {
  border-color: rgba(255, 80, 120, 0.5);
  background: rgba(255, 46, 136, 0.08);
  color: #ffb1cd;
}

.flash-notice {
  border-color: rgba(182, 255, 60, 0.4);
  background: rgba(182, 255, 60, 0.06);
  color: #d8ffa6;
}

.form { display: flex; flex-direction: column; gap: 18px; }

.field { display: flex; flex-direction: column; gap: 6px; }

.field label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-mute);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="datetime-local"],
.field textarea {
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  color: var(--fg);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.field textarea { font-family: var(--font-mono); line-height: 1.55; resize: vertical; }

.field input:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: var(--glow-cyan);
}

.form-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 4px;
}

.auth-alt {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-dim);
}

.auth-alt:hover { color: var(--accent); text-shadow: var(--glow-cyan); }

/* sign-in card */
.auth { padding: 96px 0; }
.auth-container { display: grid; place-items: center; }

.auth-card {
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--line-strong);
  background: var(--bg-1);
  padding: 40px 36px;
  position: relative;
}

.auth-card::before, .auth-card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--accent);
}

.auth-card::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.auth-card::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; border-color: var(--accent-2); }

.auth-card .kicker { color: var(--accent); margin-bottom: 12px; }

.auth-card h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); }

/* ---------- Blog ---------- */
.blog-hero { padding: 96px 0 48px; }
.blog-hero .kicker { color: var(--accent); margin-bottom: 18px; }

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.post-row {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: background 150ms ease;
}

.post-row:hover { background: rgba(0, 240, 255, 0.02); }

.post-row-meta {
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--fg-mute);
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
}

.post-row-title {
  font-size: 1.3rem;
  margin: 0 0 6px;
  letter-spacing: 0.02em;
  text-transform: none;
}

.post-row-title a { color: var(--fg); }
.post-row-title a:hover { color: var(--accent); text-shadow: var(--glow-cyan); }

.post-row-excerpt {
  margin: 0;
  color: var(--fg-dim);
  font-size: 0.95rem;
}

.post-row-actions { padding-top: 6px; }

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg-mute);
}

.dot-on { background: var(--neon-lime); box-shadow: 0 0 8px var(--neon-lime); }
.dot-off { background: var(--neon-mag); box-shadow: 0 0 6px var(--neon-mag); }

.empty {
  padding: 64px 0;
  text-align: center;
  color: var(--fg-mute);
  letter-spacing: 0.2em;
  border: 1px dashed var(--line-strong);
}

/* single post */
.post-container { max-width: 760px; }

.post-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--fg-mute);
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 32px;
}

.post-meta span { display: inline-flex; align-items: center; gap: 8px; }

.post-byline {
  color: var(--fg-mute);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  margin-bottom: 28px;
}

.post-body {
  color: var(--fg);
  font-size: 1.05rem;
  line-height: 1.75;
}

.post-body p { color: var(--fg); margin: 0 0 1.2em; }

.post-admin {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 12px;
}

.post-admin .danger:hover {
  border-color: var(--accent-2);
  color: var(--accent-2);
  text-shadow: var(--glow-mag);
}

.post-admin form { display: inline; }

/* nav auth state */
.site-nav .nav-divider {
  width: 1px;
  height: 16px;
  background: var(--line-strong);
}

.site-nav .nav-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--line-strong);
  padding: 6px 12px;
  border-radius: 2px;
}

.site-nav .nav-cta::before { content: ""; }
.site-nav .nav-cta:hover { color: var(--bg-0); background: var(--accent); border-color: var(--accent); }

.site-nav form { margin: 0; }
.site-nav .signout {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
  color: var(--fg-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.site-nav .signout::before { content: "// "; color: var(--fg-mute); }
.site-nav .signout:hover { color: var(--accent-2); }

/* ---------- Motion ---------- */
@keyframes cursor-blink {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0.55; }
}

.brand-mark { animation: cursor-blink 1.1s steps(1, end) infinite; }

@media (prefers-reduced-motion: reduce) {
  .brand-mark { animation: none; }
}

@media (max-width: 720px) {
  .post-row { grid-template-columns: 1fr; gap: 8px; }
}