:root {
  --hue: 145;
  --font-display: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

/* JetBrains Mono — self-hosted from Google Fonts (woff2, weights 400/500/600/700).
   Generated for aptpen.com strict-CSP build. Do not edit by hand. */
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx3cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxTcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxPcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx_cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx7cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxDcwgknk-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx3cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxTcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxPcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx_cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx7cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxDcwgknk-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx3cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxTcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxPcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx_cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx7cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxDcwgknk-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* cyrillic-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx3cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxTcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* greek */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxPcwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0370-0377, U+037A-037F, U+0384-038A, U+038C, U+038E-03A1, U+03A3-03FF;
}
/* vietnamese */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx_cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}
/* latin-ext */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPx7cwgknk-6nFg.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(fonts/tDbv2o-flEEny0FZhsfKu5WU4zr3E_BX0PnT8RD8yKwBNntkaToggR7BYRbKPxDcwgknk-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* webpub design system — generated per-site with :root vars prepended.
   Dark, editorial, restrained. Per-cluster hue carries identity; motion is
   subtle and respects prefers-reduced-motion. No layout depends on JS. */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { color-scheme: dark; scroll-behavior: smooth; }

body {
  --accent:      oklch(76% 0.15 var(--hue));
  --accent-deep: oklch(64% 0.15 var(--hue));
  --ink:         oklch(97% 0.004 var(--hue));
  --ink-mute:    oklch(78% 0.012 var(--hue));
  --ink-faint:   oklch(60% 0.016 var(--hue));
  --bg:          oklch(15% 0.008 var(--hue));
  --bg-raise:    oklch(19% 0.011 var(--hue));
  --bg-raise-2:  oklch(22% 0.013 var(--hue));
  --line:        oklch(100% 0 0 / 0.09);
  --line-strong: oklch(100% 0 0 / 0.14);

  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100svh;
  position: relative;
  overflow-x: hidden;
}

/* one calm ambient wash — static, no drift. Reads as depth, not decoration. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 78% -10%, oklch(36% 0.07 var(--hue) / 0.30), transparent 70%),
    radial-gradient(50rem 36rem at -8% 108%, oklch(32% 0.06 calc(var(--hue) + 30) / 0.22), transparent 68%);
}

/* cluster texture: barely-there, masked to the top. Identity, not gimmick. */
body.bg-grid::after, body.bg-lines::after, body.bg-orbs::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}
body.bg-grid::after {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 70% at 50% 0%, black, transparent 72%);
}
body.bg-lines::after {
  background-image: repeating-linear-gradient(-42deg, var(--line) 0 1px, transparent 1px 96px);
  mask-image: radial-gradient(120% 80% at 50% 0%, black, transparent 75%);
}
body.bg-orbs::after {
  background:
    radial-gradient(22rem 22rem at 82% 8%, oklch(30% 0.05 var(--hue) / 0.5), transparent 70%);
  filter: blur(6px);
}

/* ---- layout -------------------------------------------------------------- */
main {
  position: relative;
  z-index: 1;
  width: min(60rem, calc(100vw - 3rem));
  margin-inline: auto;
  padding-bottom: clamp(3rem, 7vh, 5rem);
}

.hero {
  min-height: min(86svh, 52rem);
  display: grid;
  align-content: center;
  padding: clamp(3rem, 9vh, 7rem) 0 clamp(2rem, 5vh, 3.5rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: clamp(1.4rem, 3vh, 2.2rem);
}
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 1px;
  background: var(--accent);
  opacity: 0.8;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  font-weight: 700;
  overflow-wrap: anywhere;
}
h1 .tld { color: var(--accent); }

.tagline {
  font-size: clamp(1.4rem, 3.4vw, 2.3rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 24ch;
  margin-top: clamp(1.3rem, 3vh, 2rem);
}

.lead {
  font-size: clamp(1.08rem, 1.8vw, 1.28rem);
  line-height: 1.62;
  color: var(--ink-mute);
  max-width: 56ch;
  margin-top: clamp(1.2rem, 2.6vh, 1.7rem);
}

/* ---- sections ------------------------------------------------------------- */
.sect { margin-top: clamp(3rem, 8vh, 5.5rem); }

.sect > h2 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 1.4rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.cards {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(3, 1fr);
}
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; gap: 0.9rem; } }

.card {
  background: linear-gradient(180deg, var(--bg-raise), var(--bg) 140%);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.6rem 1.5rem 1.7rem;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.card:hover {
  border-color: var(--line-strong);
  background: linear-gradient(180deg, var(--bg-raise-2), var(--bg) 150%);
  transform: translateY(-2px);
}

.card .idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.85;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.14rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 0.55rem;
}
.card p { color: var(--ink-mute); font-size: 0.97rem; line-height: 1.58; }

/* ---- closing statement ---------------------------------------------------- */
.statement {
  margin-top: clamp(3.5rem, 10vh, 7rem);
  padding: clamp(2.5rem, 6vh, 4rem) 0;
  border-top: 1px solid var(--line);
}
.statement p {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.2vw, 3rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 20ch;
  color: var(--ink);
}

/* ---- contact -------------------------------------------------------------- */
.contact { margin-top: clamp(2.5rem, 6vh, 4rem); }
.contact > h2 {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding-bottom: 1.4rem;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid var(--line);
}

form { display: grid; gap: 0.8rem; max-width: 30rem; }
.row { display: grid; gap: 0.8rem; grid-template-columns: 1fr; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } }

input, textarea, button {
  font: inherit;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: var(--bg-raise);
  color: var(--ink);
  padding: 0.8rem 0.95rem;
}
input::placeholder, textarea::placeholder { color: var(--ink-faint); }
input:focus-visible, textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px oklch(70% 0.12 var(--hue) / 0.2);
}
textarea { resize: vertical; min-height: 5rem; }

button {
  justify-self: start;
  cursor: pointer;
  border: none;
  background: var(--accent);
  color: oklch(18% 0.03 var(--hue));
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.8rem;
  transition: filter 0.15s ease, transform 0.15s ease;
}
button:hover  { filter: brightness(1.08); }
button:active { transform: translateY(1px); }
button:disabled { opacity: 0.55; cursor: wait; }

.form-status {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  min-height: 1.3em;
  color: var(--accent);
  margin-top: 0.2rem;
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---- footer --------------------------------------------------------------- */
footer {
  margin-top: clamp(3rem, 8vh, 5rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

/* ---- 404 ------------------------------------------------------------------ */
.err { min-height: 90svh; display: grid; align-content: center; }
.err h1 { font-size: clamp(4rem, 15vw, 9rem); }
.err .tagline { margin-top: 1rem; }
.err .back { margin-top: 2rem; }
.err a { color: var(--accent); text-decoration: none; font-family: var(--font-mono); font-size: 0.9rem; }
.err a:hover { text-decoration: underline; }

/* ---- subtle scroll reveal (progressive; off when unsupported or reduced) -- */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .sect .card, .statement p {
      animation: rise linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 50%;
    }
    @keyframes rise {
      from { opacity: 0; transform: translateY(14px); }
      to   { opacity: 1; transform: none; }
    }
  }
}