/* normalize */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
pre, code { font-family: inherit; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; font: inherit; }

/* ── design tokens ─────────────────────────────────────────── */
:root {
  --bg:          #0a0c0a;
  --text:        #cfd8c8;
  --bright:      #e8efe2;
  --dim:         #5a6a5a;
  --border:      #1a1e1a;
  --border-hi:   #2a2e2a;
  --panel:       #10130f;
  --panel-hi:    #161a14;
  --green:       #00ff88;
  --green-glow:  rgba(0,255,136,0.25);
  --green-dim:   #0a8a4f;
  --mono: "JetBrains Mono", "IBM Plex Mono", "SF Mono", ui-monospace, monospace;
}

/* ── base ───────────────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  min-height: 100vh;
}

/* ── artboard: fixed 1280×1600, letterboxed ─────────────────── */
.artboard {
  width: 1280px;
  height: 1600px;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

/* ── keyframes ──────────────────────────────────────────────── */
@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes flicker {
  0%, 100%  { opacity: 1; }
  48%       { opacity: 1; }
  50%       { opacity: 0.92; }
  52%       { opacity: 1; }
}

@keyframes scan {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(200%); }
}

@keyframes reveal {
  from { opacity: 0.18; filter: blur(6px) saturate(0); }
  to   { opacity: 1;    filter: none; }
}

@keyframes progress {
  from { width: 0%; }
  to   { width: 76%; }
}

/* ── CRT effects ────────────────────────────────────────────── */
.crt {
  animation: flicker 7s infinite;
}

/* scanlines via ::before, green scan sweep via ::after */
.crt::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.025) 0px,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 5;
}

.crt::after {
  content: '';
  position: absolute;
  inset: 0;
  height: 30%;
  background: linear-gradient(
    rgba(0,255,136,0) 0%,
    rgba(0,255,136,0.04) 50%,
    rgba(0,255,136,0) 100%
  );
  animation: scan 8s linear infinite;
  pointer-events: none;
  z-index: 5;
}

.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
  z-index: 6;
}

/* ── status bar ─────────────────────────────────────────────── */
.status-bar {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.4);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.status-bar__left,
.status-bar__right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.status-bar .accent { color: var(--green); }

/* ── main content ───────────────────────────────────────────── */
.content {
  position: relative;
  z-index: 4;
  padding: 64px 80px 48px;
}

/* ── ASCII wordmark ─────────────────────────────────────────── */
.ascii-logo {
  display: block;
  color: var(--green);
  text-shadow: 0 0 14px var(--green-glow), 0 0 2px var(--green);
  font-size: 18px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 0;
  white-space: pre;
  overflow: visible;
}

.ascii-rule {
  color: var(--dim);
  font-size: 12px;
  margin-top: 18px;
  letter-spacing: 0.15em;
}

/* ── headline ───────────────────────────────────────────────── */
.headline {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.04;
  margin-top: 40px;
  color: var(--bright);
  letter-spacing: -0.015em;
  max-width: 900px;
}

.headline .accent {
  color: var(--green);
  text-shadow: 0 0 12px var(--green-glow);
}

/* ── body text ──────────────────────────────────────────────── */
.body-text {
  font-size: 17px;
  color: var(--dim);
  max-width: 680px;
  line-height: 1.6;
  margin: 24px 0 40px;
}

/* ── CTA row ────────────────────────────────────────────────── */
.cta-row {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.cta-install {
  background: #000;
  border: 1px solid var(--green);
  padding: 14px 22px;
  font-size: 14px;
  font-family: var(--mono);
  color: var(--bright);
  letter-spacing: 0.02em;
  box-shadow: 0 0 0 1px var(--green), 0 0 24px var(--green-glow);
  white-space: nowrap;
}

.cta-install .dollar { color: var(--green); margin-right: 10px; }
.cta-install .pkg    { color: var(--green); }
.cta-install .copy-icon {
  display: inline-flex;
  align-items: center;
  margin-left: 18px;
  color: var(--dim);
  transition: color 0.15s;
}
.cta-install:hover .copy-icon { color: var(--green); }
.cta-install .icon-check { display: none; }
.cta-install.copied .icon-copy  { display: none; }
.cta-install.copied .icon-check { display: inline; color: var(--green); }

.cta-link {
  border: 1px solid var(--border);
  padding: 14px 22px;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--dim);
  letter-spacing: 0.04em;
  transition: color 0.15s, border-color 0.15s;
}
.cta-link:hover { color: var(--green); border-color: var(--green); }

.cta-link--api-key { position: relative; }
.cta-link--api-key::after {
  content: "Google API Key";
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-hi);
  border: 1px solid var(--green);
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
}
.cta-link--api-key:hover::after { opacity: 1; }

/* ── demo terminal ──────────────────────────────────────────── */
.demo-terminal {
  background: #000;
  border: 1px solid var(--border-hi);
  margin-bottom: 64px;
  position: relative;
}

.demo-terminal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: #060805;
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.15em;
}

.demo-terminal__body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: stretch;
}

.demo-terminal__output {
  padding: 24px 22px;
  font-size: 14px;
  line-height: 1.85;
  height: 280px;
  overflow: hidden;
  /* use lh units so height matches actual line cadence */
  display: block;
}

.demo-terminal__output > * {
  margin: 0;
  padding: 0;
}

.demo-terminal__line--cmd,
.demo-terminal__line--ok,
.demo-terminal__line--arrow,
.demo-terminal__line--dim {
  white-space: pre;
  line-height: 1.85;
  display: block;
  margin: 0;
  padding: 0;
}

.demo-terminal__line--cmd   { color: var(--bright); }
.demo-terminal__line--ok    { color: var(--green);  }
.demo-terminal__line--arrow { color: var(--text);   }
.demo-terminal__line--dim   { color: var(--dim);    }

.demo-terminal__preview {
  padding: 16px;
  border-left: 1px solid var(--border);
  background: #040502;
}

/* ── blinking cursor ────────────────────────────────────────── */
.cursor {
  display: inline-block;
  width: 0.55em;
  height: 1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1.05s steps(1) infinite;
  box-shadow: 0 0 8px var(--green-glow);
  margin-left: 2px;
}

/* ── video tile ─────────────────────────────────────────────── */
.video-tile {
  position: relative;
  height: 220px;
  background: #000;
  border: 1px solid var(--border-hi);
  overflow: hidden;
  opacity: 0.18;
  filter: blur(6px) saturate(0);
  transition: opacity 0.6s ease, filter 0.6s ease;
}

.video-tile.revealed {
  opacity: 1;
  filter: none;
}

.video-tile__label {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.video-tile__rec {
  top: 10px;
  left: 12px;
  color: var(--green);
  text-shadow: 0 0 6px var(--green-glow);
}

.video-tile__res {
  top: 10px;
  right: 12px;
  color: var(--dim);
}

.video-tile__name {
  bottom: 10px;
  left: 12px;
  color: var(--dim);
}

.video-tile__format {
  bottom: 10px;
  right: 12px;
  color: var(--dim);
}

.video-tile__progress-track {
  position: absolute;
  bottom: 28px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: rgba(255,255,255,0.08);
}

.video-tile__progress-fill {
  height: 100%;
  width: 0%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  transition: width 0.6s ease;
}

.video-tile.revealed .video-tile__progress-fill {
  width: 76%;
}

/* ── how it works ───────────────────────────────────────────── */
.how-it-works {
  margin-top: 64px;
}

.section-label {
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.22em;
  margin-bottom: 24px;
}

.flow-diagram {
  color: var(--text);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0;
  white-space: pre;
}

/* ── steps grid ─────────────────────────────────────────────── */
.steps-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

.step {
  padding: 24px 24px 28px;
  border-right: 1px solid var(--border);
}

.step:last-child {
  border-right: none;
}

.step--highlight {
  background: rgba(0,255,136,0.08);
}

.step__label {
  color: var(--green);
  font-size: 11px;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}

.step__title {
  color: var(--bright);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.step__title .cursor-char {
  color: var(--green);
}

.step__body {
  color: var(--dim);
  font-size: 13px;
  line-height: 1.55;
}

/* ── footer ─────────────────────────────────────────────────── */
.footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px dashed var(--border);
  display: flex;
  justify-content: space-between;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.15em;
}

/* ── webkit prefix for backdrop-filter (Safari) ─────────────── */
@supports (-webkit-backdrop-filter: none) {
  .status-bar { -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
}