/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

:root {
  --bg: #0a0a0a;
  --bg-elev: #111113;
  --fg: #ededed;
  --fg-dim: #a1a1a6;
  --fg-muted: #6b6b70;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --accent: #e7e5e0;
  --warm: #f4a261;
  --green: #4ade80;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --max: 1100px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

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

/* ---------- Background effects ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

.cursor-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(
      600px circle at var(--mx, 50%) var(--my, 30%),
      rgba(255, 255, 255, 0.045),
      transparent 40%
    );
  transition: background 200ms var(--ease);
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--pad-x);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.7), rgba(10, 10, 10, 0));
  transition: background 300ms var(--ease), border-color 300ms var(--ease);
}

.site-header.scrolled {
  background: rgba(10, 10, 10, 0.8);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.75rem;
  color: var(--fg);
  transition: border-color 300ms var(--ease), background 300ms var(--ease);
}

.brand:hover .brand-mark {
  border-color: var(--fg);
  background: rgba(255, 255, 255, 0.04);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.875rem;
}

.site-nav a {
  color: var(--fg-dim);
  position: relative;
  padding: 0.25rem 0;
  transition: color 200ms var(--ease);
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 350ms var(--ease);
}

.site-nav a:hover {
  color: var(--fg);
}

.site-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.nav-cta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 6rem var(--pad-x) 4rem;
}

.hero-inner {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem 0.4rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 2rem;
}

.status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6);
  animation: pulse 2.4s var(--ease) infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.45); }
  70%  { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); }
  100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0); }
}

.hero-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(3rem, 11vw, 7.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin: 0 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.25em;
}

.hero-title span {
  display: inline-block;
}

.hero-title-accent {
  background: linear-gradient(180deg, var(--fg) 0%, var(--fg-dim) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-sub {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  color: var(--fg-dim);
  max-width: 36ch;
  font-weight: 300;
  line-height: 1.5;
  margin: 0 0 2.5rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-bottom: 4rem;
}

.meta-label {
  color: var(--fg-muted);
  opacity: 0.6;
  margin-right: 0.35rem;
}

.meta-item { color: var(--fg-dim); }

.meta-sep { color: var(--fg-muted); opacity: 0.5; }

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 250ms var(--ease);
}

.scroll-cue svg {
  animation: nudge 2.4s var(--ease) infinite;
}

.scroll-cue:hover { color: var(--fg-dim); }

@keyframes nudge {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ---------- About ---------- */
.about {
  position: relative;
  z-index: 2;
  padding: 6rem var(--pad-x) 8rem;
  border-top: 1px solid var(--line);
}

.section-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1.5rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin: 0 0 4rem;
  max-width: 24ch;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.55fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.about-prose p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fg-dim);
  margin: 0 0 1.25rem;
  max-width: 60ch;
}

.about-prose p:last-child { margin-bottom: 0; }

.about-side {
  display: grid;
  gap: 2rem;
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
}

.side-block { display: grid; gap: 0.5rem; }

.side-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin: 0;
}

.side-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

.side-list li {
  font-size: 0.9375rem;
  color: var(--fg);
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 2;
  padding: 3rem var(--pad-x) 3.5rem;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--fg-dim);
  margin: 0;
}

.footer-line a {
  color: var(--fg);
  position: relative;
}

.footer-line a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--fg);
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 350ms var(--ease);
}

.footer-line a:hover::after {
  transform: scaleX(1);
  transform-origin: left center;
}

.footer-sep { color: var(--fg-muted); opacity: 0.5; }

.footer-meta {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin: 0;
}

/* ---------- Reveal animations ---------- */
.reveal,
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

.reveal.is-in,
.reveal-on-scroll.is-in {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="0"] { transition-delay: 80ms; }
.reveal[data-delay="1"] { transition-delay: 180ms; }
.reveal[data-delay="2"] { transition-delay: 260ms; }
.reveal[data-delay="3"] { transition-delay: 380ms; }
.reveal[data-delay="4"] { transition-delay: 480ms; }
.reveal[data-delay="5"] { transition-delay: 600ms; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .hero-meta { gap: 0.5rem; }
  .meta-sep { display: none; }
  .site-nav { gap: 1rem; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-on-scroll { opacity: 1; transform: none; }
  .cursor-glow { display: none; }
}

/* ---------- Focus visible ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
  border-radius: 4px;
}