/* ---------------------------------------------------
   Tokens
--------------------------------------------------- */
:root {
  --bg: #0b0b0b;
  --cream: #ede8de;
  --neon: #ddfd3d;
  --neon-dim: rgba(221, 253, 61, 0.14);
  --grid-line: rgba(255, 255, 255, 0.045);
  --grid-size: 56px;

  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", monospace;

  --space-page: clamp(24px, 5vw, 64px);
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--cream);
  font-family: var(--font-mono);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ---------------------------------------------------
   Background layers
--------------------------------------------------- */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  mask-image: radial-gradient(ellipse 90% 80% at 20% 30%, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 20% 30%, #000 40%, transparent 90%);
}

.grain {
  position: fixed;
  inset: -100px;
  z-index: 1;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-shift 1.1s steps(4) infinite;
}

@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, 1%); }
  50%  { transform: translate(1%, -2%); }
  75%  { transform: translate(-1%, 2%); }
  100% { transform: translate(0, 0); }
}

/* ---------------------------------------------------
   Layout
--------------------------------------------------- */
.wrap {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-page);
  padding-bottom: clamp(120px, 20vh, 180px);
}

/* ---------------------------------------------------
   Eyebrow tag
--------------------------------------------------- */
.eyebrow {
  margin: 0 0 clamp(20px, 4vw, 36px);
  color: var(--neon);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(0.7rem, 1.4vw, 0.9rem);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  animation: pulse-fade 2.6s ease-in-out infinite;
}

@keyframes pulse-fade {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.55; }
}

/* ---------------------------------------------------
   Headline
--------------------------------------------------- */
.headline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.line {
  display: block;
  font-size: clamp(4.2rem, 15vw, 11.5rem);
  line-height: 0.86;
  margin-bottom: clamp(14px, 3vw, 34px);
}

.line:last-child {
  margin-bottom: 0;
}

.line--solid {
  color: var(--cream);
}

.line--outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--cream);
  text-stroke: 2px var(--cream);
}

/* Fallback for browsers without text-stroke support */
@supports not ((-webkit-text-stroke: 1px #000) or (text-stroke: 1px #000)) {
  .line--outline {
    color: var(--cream);
    opacity: 0.35;
  }
}

.line--accent {
  color: var(--neon);
}

.dot {
  color: var(--neon);
}

/* ---------------------------------------------------
   CTA button
--------------------------------------------------- */
.cta {
  position: fixed;
  z-index: 3;
  right: var(--space-page);
  bottom: var(--space-page);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 1.05em 1.6em;
  background: var(--neon);
  color: var(--bg);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 0 0 0 var(--neon-dim);
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px -6px var(--neon-dim);
}

.cta:active {
  transform: translateY(-1px);
}

.cta__arrow {
  transition: transform 0.2s ease;
}

.cta:hover .cta__arrow {
  transform: translateX(3px);
}

.cta:focus-visible,
a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------------------------------------------------
   Responsive
--------------------------------------------------- */
@media (max-width: 640px) {
  .wrap {
    padding-bottom: var(--space-page);
    justify-content: flex-start;
    padding-top: clamp(72px, 18vh, 120px);
  }

  .line {
    font-size: clamp(3.2rem, 16vw, 5.5rem);
  }

  .line--outline {
    -webkit-text-stroke: 1.5px var(--cream);
    text-stroke: 1.5px var(--cream);
  }

  .cta {
    position: static;
    margin-top: clamp(40px, 10vh, 64px);
    width: fit-content;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .line {
    font-size: clamp(4.5rem, 13vw, 8rem);
  }
}

/* ---------------------------------------------------
   Motion & accessibility preferences
--------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .grain,
  .eyebrow {
    animation: none;
  }

  .cta,
  .cta__arrow {
    transition: none;
  }
}