:root {
  --bg: #000000;
  --ink: #e8fff5;
  --green: #00ff9d;
  --green-dim: #00ff9d40;
  --green-deep: #0d3b2e;
  --grid: rgba(0, 255, 157, 0.06);
  --mono: 'Courier New', Courier, monospace;
  --term: 'Courier New', Courier, monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  position: relative;
  min-height: 100dvh;
  min-height: 100vh;
}

/* ── Layered atmosphere ─────────────────────────────── */

#rain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
}

.grid {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center,
      transparent 0%,
      rgba(0, 0, 0, 0.55) 55%,
      rgba(0, 0, 0, 0.92) 100%);
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0.18) 3px,
      rgba(0, 0, 0, 0) 4px
    );
  mix-blend-mode: multiply;
  opacity: 0.6;
}

.grain {
  position: fixed;
  inset: -50%;
  z-index: 4;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='1'/></svg>");
  animation: grain 8s steps(8) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-3%, -2%); }
  20% { transform: translate(-5%, 3%); }
  30% { transform: translate(3%, -4%); }
  40% { transform: translate(-1%, 5%); }
  50% { transform: translate(-3%, 2%); }
  60% { transform: translate(4%, -1%); }
  70% { transform: translate(-2%, 4%); }
  80% { transform: translate(2%, -3%); }
  90% { transform: translate(-4%, 1%); }
}

/* ── Layout chrome ──────────────────────────────────── */

.stage {
  position: relative;
  z-index: 5;
  height: 100dvh;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(16px, 2.5vw, 32px);
}

.chrome-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--green);
  font-family: var(--term);
  font-size: clamp(14px, 1.4vw, 18px);
  letter-spacing: 0.04em;
  text-shadow: 0 0 8px var(--green-dim);
}

.chrome-row .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  border: 1px solid rgba(0, 255, 157, 0.25);
  background: rgba(0, 255, 157, 0.04);
  border-radius: 2px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ── Center stage ───────────────────────────────────── */

.center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(20px, 3vw, 36px);
  text-align: center;
}

.pre-title {
  color: var(--green);
  font-family: var(--term);
  font-size: clamp(13px, 1.4vw, 18px);
  letter-spacing: 0.5em;
  text-indent: 0.5em;
  opacity: 0;
  animation: fade-up 1.2s 0.2s ease-out forwards;
  text-shadow: 0 0 10px var(--green-dim);
}

.wordmark {
  position: relative;
  font-family: var(--mono);
  font-weight: 200;
  font-size: clamp(56px, 14vw, 220px);
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--ink);
  white-space: nowrap;
  text-shadow:
    0 0 1px rgba(0, 255, 157, 0.6),
    0 0 22px rgba(0, 255, 157, 0.35),
    0 0 60px rgba(0, 255, 157, 0.18);
  opacity: 0;
  animation: fade-up 1.4s 0.5s cubic-bezier(.2,.8,.2,1) forwards;
}

.wordmark .accent {
  color: var(--green);
  font-weight: 300;
}

.tagline {
  margin-top: clamp(8px, 1.2vw, 16px);
  color: var(--green);
  font-family: var(--term);
  font-size: clamp(12px, 1.1vw, 15px);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  text-shadow: 0 0 8px var(--green-dim);
  opacity: 0;
  animation: fade-up 1.2s 1.1s ease-out forwards;
}

.wordmark .dot-mark {
  color: var(--green);
  display: inline-block;
  transform: translateY(-0.05em);
}

.wordmark::before,
.wordmark::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0;
}
.wordmark::before {
  color: #ff2d6f;
  transform: translate(-2px, 0);
  animation: glitch-a 7s infinite steps(1, end);
}
.wordmark::after {
  color: #00e5ff;
  transform: translate(2px, 0);
  animation: glitch-b 7s infinite steps(1, end);
}

@keyframes glitch-a {
  0%, 96%, 100% { opacity: 0; transform: translate(0, 0); }
  96.5%        { opacity: 0.7; transform: translate(-3px, 1px); }
  97%          { opacity: 0.5; transform: translate(2px, -1px); clip-path: inset(20% 0 50% 0); }
  97.5%        { opacity: 0; }
}
@keyframes glitch-b {
  0%, 96%, 100% { opacity: 0; transform: translate(0, 0); }
  96.5%        { opacity: 0.6; transform: translate(3px, -1px); clip-path: inset(50% 0 20% 0); }
  97%          { opacity: 0.4; transform: translate(-2px, 1px); }
  97.5%        { opacity: 0; }
}

.meta-line {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  font-family: var(--term);
  font-size: clamp(15px, 1.5vw, 20px);
  letter-spacing: 0.18em;
  opacity: 0;
  animation: fade-up 1.2s 0.9s ease-out forwards;
}

.meta-line .bar {
  height: 1px;
  width: clamp(40px, 8vw, 100px);
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.meta-line .text { color: var(--green); text-shadow: 0 0 10px var(--green-dim); }

.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--green);
  box-shadow: 0 0 12px var(--green);
  transform: translateY(0.12em);
  animation: blink 1.05s steps(1) infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

/* ── Bottom row ─────────────────────────────────────── */

.bottom {
  align-items: end;
}

.ascii {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 300;
  font-size: 11px;
  line-height: 1.15;
  opacity: 0.55;
  white-space: pre;
  text-shadow: 0 0 6px var(--green-dim);
}

/* ── Entrance animation ─────────────────────────────── */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 720px) {
  .stage { padding: 18px; }
  .ascii { display: none; }
  .chrome-row { font-size: 13px; }
  .chrome-row .hide-sm { display: none; }
  .pre-title { letter-spacing: 0.4em; font-size: 12px; }
  .tagline { letter-spacing: 0.22em; font-size: 11px; }
  .meta-line { font-size: 16px; letter-spacing: 0.16em; }
  .grid { background-size: 40px 40px; }
}

@media (max-width: 380px) {
  .chrome-row .pill { padding: 3px 8px; }
  .meta-line .bar { width: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .grain, .dot, .cursor,
  .wordmark::before, .wordmark::after { animation: none; }
  .pre-title, .wordmark, .meta-line, .tagline { animation-duration: 0.001s; opacity: 1; }
  #rain { opacity: 0.3; }
}