:root {
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  --background: oklch(0.14 0.012 250);
  --foreground: oklch(0.97 0.004 250);
  --primary: oklch(0.75 0.15 232);
  --primary-foreground: oklch(0.14 0.012 250);
  --accent: oklch(0.82 0.13 200);
  --muted-foreground: oklch(0.68 0.015 250);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 500; margin: 0; }

/* ---------- Header / footer ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
}

@media (min-width: 768px) {
  .site-header { padding: 1.25rem 3rem; }
}

.site-header nav {
  display: flex;
  gap: 2rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
}

.site-header nav a { color: var(--muted-foreground); text-decoration: none; transition: color 0.2s; }
.site-header nav a:hover { color: var(--foreground); }

.mark { height: 20px; width: auto; opacity: 0.9; display: block; }
.mark.small { height: 16px; opacity: 0.6; }

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2.5rem 1.5rem;
  text-align: center;
}

.site-footer p {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted-foreground);
  margin: 0;
}

@media (min-width: 768px) {
  .site-footer { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ---------- Sections ---------- */

.section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  padding: 7rem 1.5rem;
}

.section canvas.particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.content.narrow { max-width: 42rem; margin: 0 auto; text-align: center; }

.contact h2 { font-size: clamp(1.9rem, 4vw, 3rem); }

.lede {
  margin-top: 1rem;
  max-width: 36rem;
  text-align: center;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--muted-foreground);
}

.hero .lede { margin-top: 3.5rem; }

.cta-row { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center; }

.btn {
  display: inline-block;
  margin-top: 2.5rem;
  border-radius: 999px;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 0.85rem 2rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-decoration: none;
  transition: transform 0.2s;
}

.cta-row .btn { margin-top: 0; }
.btn:hover { transform: scale(1.03); }

.hero-fade {
  position: absolute;
  inset: auto 0 0 0;
  height: 8rem;
  background: linear-gradient(to top, var(--background), transparent);
}

/* ---------- Logo reveal animation ---------- */

.logo-reveal {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  width: min(90vw, 640px);
}

.logo-stage { position: relative; width: 100%; aspect-ratio: 600 / 140; }

.logo-svg { width: 100%; height: 100%; overflow: visible; }

.logo-outline path {
  fill: none;
  stroke: var(--primary);
  stroke-width: 1.2;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 6px var(--primary));
  animation:
    logo-draw 1.5s cubic-bezier(0.65, 0, 0.35, 1) forwards,
    logo-outline-out 0.5s ease-out 1.7s forwards;
}

.logo-fill path { fill: var(--foreground); }
.logo-fill { opacity: 0; animation: logo-fill-in 0.9s ease-out 1.55s forwards; }

.logo-layer {
  position: absolute;
  inset: 0;
  -webkit-mask-image: url("logo.svg");
  mask-image: url("logo.svg");
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  pointer-events: none;
}

.logo-sweep {
  opacity: 0;
  background: linear-gradient(
    100deg,
    transparent 38%,
    color-mix(in oklch, var(--accent) 70%, white) 48%,
    #fff 50%,
    color-mix(in oklch, var(--accent) 70%, white) 52%,
    transparent 62%
  );
  background-size: 260% 100%;
  background-position: 140% 0;
  filter: blur(1px) drop-shadow(0 0 14px var(--accent));
  animation: logo-sweep 1.5s cubic-bezier(0.4, 0, 0.2, 1) 1.7s forwards;
}

.logo-ghost { opacity: 0; mix-blend-mode: screen; }
.logo-ghost-a { background: oklch(0.7 0.22 25); animation: logo-glitch-a 0.6s steps(2, end) 1.85s 2; }
.logo-ghost-b { background: oklch(0.8 0.16 200); animation: logo-glitch-b 0.6s steps(2, end) 1.85s 2; }

.logo-tagline {
  font-family: var(--font-display);
  font-size: clamp(0.65rem, 1.4vw, 0.9rem);
  color: var(--muted-foreground);
  letter-spacing: 0.1em;
  opacity: 0;
  margin: 0;
  animation: tagline-in 1.4s cubic-bezier(0.16, 1, 0.3, 1) 2.2s forwards;
}

@keyframes logo-draw { to { stroke-dashoffset: 0; } }
@keyframes logo-outline-out { to { opacity: 0; } }

@keyframes logo-fill-in {
  0% { opacity: 0; filter: drop-shadow(0 0 30px #fff) brightness(2.4); }
  40% { opacity: 1; filter: drop-shadow(0 0 24px var(--accent)) brightness(1.6); }
  100% { opacity: 1; filter: drop-shadow(0 0 10px color-mix(in oklch, var(--primary) 60%, transparent)); }
}

@keyframes logo-sweep {
  0% { opacity: 0; background-position: 140% 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { opacity: 0; background-position: -60% 0; }
}

@keyframes logo-glitch-a {
  0%, 100% { opacity: 0; transform: translate3d(0, 0, 0); }
  20% { opacity: 0.85; transform: translate3d(-8px, 2px, 0) skewX(-6deg); }
  45% { opacity: 0.5; transform: translate3d(5px, -3px, 0); }
  70% { opacity: 0.7; transform: translate3d(-3px, 0, 0) skewX(4deg); }
}

@keyframes logo-glitch-b {
  0%, 100% { opacity: 0; transform: translate3d(0, 0, 0); }
  20% { opacity: 0.85; transform: translate3d(9px, -2px, 0) skewX(6deg); }
  45% { opacity: 0.5; transform: translate3d(-6px, 3px, 0); }
  70% { opacity: 0.7; transform: translate3d(4px, 0, 0) skewX(-4deg); }
}

@keyframes tagline-in {
  0% { opacity: 0; letter-spacing: 0.6em; filter: blur(6px); }
  100% { opacity: 1; letter-spacing: 0.42em; filter: blur(0); }
}

/* ---------- Ambient scene ---------- */

.scene-glow::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 55% at 50% 45%, color-mix(in oklch, var(--primary) 22%, transparent), transparent 70%),
    radial-gradient(40% 40% at 80% 80%, color-mix(in oklch, var(--accent) 14%, transparent), transparent 70%);
  pointer-events: none;
}

.scene-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, oklch(1 0 0 / 4%) 1px, transparent 1px),
    linear-gradient(to bottom, oklch(1 0 0 / 4%) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000, transparent 80%);
  mask-image: radial-gradient(70% 60% at 50% 50%, #000, transparent 80%);
  pointer-events: none;
}

.rise { opacity: 0; animation: rise-in 1s cubic-bezier(0.16, 1, 0.3, 1) forwards; }

@keyframes rise-in {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .logo-outline path,
  .logo-fill,
  .logo-sweep,
  .logo-ghost,
  .logo-tagline,
  .rise {
    animation: none !important;
    opacity: 1;
  }
  .logo-outline path { opacity: 0; }
}