:root {
  --bg:       oklch(15% 0.012 260);
  --bg-soft:  oklch(20% 0.018 260);
  --fg:       oklch(96% 0.008 260);
  --muted:    oklch(70% 0.015 260);
  --line:     oklch(28% 0.012 260);
  --accent:   oklch(78% 0.16 70);
  --accent-d: oklch(20% 0.04 70);
  --error:    oklch(72% 0.18 28);
  --max:      1100px;
}

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

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Inter", "Segoe UI", sans-serif;
  font-optical-sizing: auto;
  font-feature-settings: "ss01", "cv11";
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  min-height: 100%;
}

body {
  position: relative;
  overflow-x: hidden;
}

a { color: inherit; }

/* ---- Background layers ---- */

.mesh {
  position: fixed;
  inset: -20vmax;
  z-index: -2;
  filter: blur(90px) saturate(135%);
  opacity: 0.55;
  background:
    radial-gradient(40vmax 40vmax at 18% 22%, oklch(55% 0.18 280 / 0.6), transparent 60%),
    radial-gradient(35vmax 35vmax at 82% 28%, oklch(68% 0.18 30  / 0.5), transparent 60%),
    radial-gradient(45vmax 45vmax at 60% 92%, oklch(50% 0.20 200 / 0.5), transparent 60%);
  animation: drift 32s ease-in-out infinite alternate;
}

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0)   rotate(0deg); }
  100% { transform: translate3d(2vw, -3vh, 0) rotate(8deg); }
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.9'/></svg>");
}

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

/* ---- Layout ---- */

main { max-width: var(--max); margin: 0 auto; padding: 0 32px 96px; }

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.mark svg { color: var(--accent); }

.nav-link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .2s, border-color .2s;
}
.nav-link:hover { color: var(--fg); border-color: var(--accent); }

/* ---- Hero ---- */

.hero {
  padding: 14vh 0 12vh;
  max-width: 920px;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(40px, 7.4vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-wrap: balance;
}

.hero .lede {
  margin-top: 32px;
  max-width: 640px;
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--muted);
  text-wrap: pretty;
}

/* ---- Principles ---- */

.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
  padding: 64px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principle .num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.principle h3 {
  margin-top: 14px;
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.principle p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 15px;
  text-wrap: pretty;
}

/* ---- Contact ---- */

.contact {
  padding: 96px 0 0;
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 64px;
  align-items: start;
}

@media (max-width: 760px) {
  .contact { grid-template-columns: 1fr; gap: 32px; padding-top: 64px; }
}

.contact h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.contact-intro p {
  margin-top: 14px;
  color: var(--muted);
  max-width: 320px;
}

.form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.form label.full { grid-column: 1 / -1; }

.form input,
.form textarea {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 14px 16px;
  border-radius: 8px;
  font: inherit;
  letter-spacing: normal;
  text-transform: none;
  transition: border-color .15s, background .15s, box-shadow .15s;
  resize: vertical;
}
.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: oklch(22% 0.018 260);
  box-shadow: 0 0 0 3px oklch(78% 0.16 70 / 0.18);
}

.form em {
  font-style: normal;
  color: var(--error);
  font-size: 12px;
  text-transform: none;
  letter-spacing: normal;
}

.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

button[type="submit"] {
  grid-column: 1 / -1;
  justify-self: start;
  background: var(--accent);
  color: var(--accent-d);
  border: 0;
  padding: 14px 30px;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform .15s, filter .15s, box-shadow .15s;
}
button[type="submit"]:hover  { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 8px 24px oklch(78% 0.16 70 / 0.25); }
button[type="submit"]:active { transform: translateY(0); }

.success {
  grid-column: 1 / -1;
  border: 1px solid var(--accent);
  background: oklch(78% 0.16 70 / 0.08);
  color: var(--fg);
  padding: 24px 28px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.success strong { font-weight: 600; font-size: 17px; }
.success span   { color: var(--muted); font-size: 14px; }

/* ---- Footer ---- */

footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 32px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid var(--line);
}
footer a { text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s, color .2s; }
footer a:hover { color: var(--fg); border-color: var(--accent); }