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

:root {
  --bg: #050607;
  --bg-2: #0a0c0e;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);
  --fg: #eef2f5;
  --fg-dim: #6c7680;
  --fg-dimmer: #3a4148;
  --cyan: #00e5c7;
  --green: #00ff41;
  --amber: #ffa726;
  --red: #ff4055;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: 'Outfit', system-ui, -apple-system, sans-serif;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

body.obs {
  background:
    radial-gradient(ellipse 80% 40% at 50% 0%, rgba(0, 229, 199, 0.04), transparent 70%),
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(0, 255, 65, 0.02), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Subtle grid lines background */
body.obs::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: 0;
}

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

#obs-loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}
#obs-loader.done { opacity: 0; visibility: hidden; }
.loader-mark {
  font-family: 'Space Mono', monospace;
  font-size: 40px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: markFade 0.9s ease forwards;
}
@keyframes markFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.obs-top {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  z-index: 20;
  background:
    linear-gradient(180deg, rgba(5,6,7,0.85) 0%, rgba(5,6,7,0.0) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.obs-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--fg);
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.2em;
}
.obs-mark {
  color: var(--cyan);
  font-size: 16px;
  line-height: 1;
  transform: translateY(-1px);
}

.obs-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.15em;
  white-space: nowrap;
}
.obs-meta .dot { color: var(--fg-dimmer); }
.obs-meta .live { color: var(--green); display: inline-flex; align-items: center; gap: 6px; }
.live-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: livePulse 1.4s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.obs-back {
  justify-self: end;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.obs-back:hover { color: var(--cyan); }

.obs-hero {
  position: relative;
  min-height: 100vh;
  padding: 80px 32px 32px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  grid-template-rows: 1fr auto;
  gap: 32px 48px;
  z-index: 1;
}

.obs-stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: auto;
}
#obs-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.obs-headline {
  position: relative;
  z-index: 2;
  grid-column: 1;
  grid-row: 1;
  align-self: end;
  max-width: 640px;
  padding-top: 40px;
  pointer-events: auto;
}

.obs-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.obs-eyebrow .num {
  color: var(--cyan);
  font-weight: 700;
}
.obs-eyebrow .rule {
  flex: 0 1 72px;
  height: 1px;
  background: var(--line-strong);
}

.obs-headline h1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 200;
  font-size: clamp(44px, 5.8vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.04em;
  margin: 0 0 32px;
  color: var(--fg);
}
.obs-headline h1 .line-a {
  display: block;
  color: var(--fg-dim);
  font-weight: 200;
}
.obs-headline h1 .line-b {
  display: block;
  color: var(--fg);
}

.obs-lede {
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  font-size: clamp(15px, 1.1vw, 18px);
  line-height: 1.55;
  color: rgba(238, 242, 245, 0.72);
  max-width: 52ch;
  margin: 0 0 36px;
}

.obs-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.obs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: all 0.2s ease;
  cursor: pointer;
}
.obs-btn.primary {
  background: var(--cyan);
  color: #002a24;
}
.obs-btn.primary:hover {
  background: #4dffd8;
  box-shadow: 0 0 0 1px rgba(0,229,199,0.4), 0 0 24px rgba(0,229,199,0.25);
}
.obs-btn.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--line-strong);
}
.obs-btn.ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.obs-btn.lg { padding: 18px 32px; font-size: 15px; }

.obs-feed {
  position: relative;
  z-index: 2;
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  display: flex;
  flex-direction: column;
  background: rgba(10, 12, 14, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 0;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  pointer-events: auto;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.feed-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.feed-label {
  color: var(--fg);
  font-weight: 700;
}
.feed-pulse {
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.pulse-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: livePulse 1.4s ease-in-out infinite;
}

.feed-body {
  padding: 10px 18px;
  min-height: 240px;
  max-height: 320px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.ev-line {
  display: grid;
  grid-template-columns: 66px 1fr auto;
  gap: 10px;
  align-items: baseline;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.04);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.ev-line.in { opacity: 1; transform: translateY(0); }
.ev-line.out { opacity: 0; }
.ev-line:last-child { border-bottom: none; }

.ev-time {
  color: var(--fg-dimmer);
  font-size: 11px;
  letter-spacing: 0;
}
.ev-msg {
  color: var(--fg-dim);
  font-size: 11.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ev-status {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 2px;
}
.ev-ok   { color: var(--green); border: 1px solid rgba(0,255,65,0.3); }
.ev-warn { color: var(--amber); border: 1px solid rgba(255,167,38,0.3); }
.ev-bad  { color: var(--red);   border: 1px solid rgba(255,64,85,0.35); }
.ev-dim  { color: var(--fg-dim); border: 1px solid var(--line-strong); }

.feed-foot {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: rgba(0, 0, 0, 0.25);
}
.foot-k {
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  font-size: 28px;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.foot-l {
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.obs-strip {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  position: relative;
  z-index: 2;
  background: rgba(5, 6, 7, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.strip-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 20px;
  border-left: 1px solid var(--line);
}
.strip-col:first-child { border-left: none; }
.strip-label {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
}
.strip-val {
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.obs-service {
  position: relative;
  z-index: 1;
  padding: 140px 32px 120px;
  border-top: 1px solid var(--line);
  margin-top: 60px;
}
.service-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.service-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 200;
  font-size: clamp(32px, 3.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 32px;
  color: var(--fg);
  max-width: 24ch;
}
.service-title .em {
  color: var(--cyan);
  font-weight: 300;
}
.service-lede {
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.6;
  color: rgba(238, 242, 245, 0.72);
  max-width: 68ch;
  margin: 0 0 80px;
}
.service-rows {
  display: flex;
  flex-direction: column;
  margin-bottom: 80px;
}
.service-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 48px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }

.row-num {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  padding-top: 10px;
  font-weight: 700;
}
.row-content h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--fg);
}
.row-content p {
  font-size: 15.5px;
  line-height: 1.65;
  color: rgba(238, 242, 245, 0.72);
  max-width: 68ch;
  margin: 0 0 28px;
}
.row-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 40px;
}
.row-list li {
  font-family: 'Space Mono', monospace;
  font-size: 12.5px;
  color: var(--fg-dim);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.row-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan);
  font-weight: 700;
}

.service-deploy {
  padding: 36px 0 0;
  border-top: 1px solid var(--line);
}
.deploy-label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--line);
}
.deploy-item {
  padding: 28px 28px 32px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.deploy-tag {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  font-weight: 700;
}
.deploy-desc {
  font-size: 14px;
  line-height: 1.55;
  color: rgba(238, 242, 245, 0.7);
}

.obs-chapter {
  position: relative;
  z-index: 1;
  padding: 140px 32px 120px;
  border-top: 1px solid var(--line);
  margin-top: 60px;
}
.chapter-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.chapter-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 60px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.chapter-head .num { color: var(--cyan); font-weight: 700; }
.chapter-head .rule { flex: 0 1 72px; height: 1px; background: var(--line-strong); }

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}
.chap-card {
  padding: 40px 36px 48px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: background 0.3s ease;
}
.chap-card:hover {
  background: var(--bg-2);
}
.chap-index {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
}
.chap-card h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 300;
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--fg);
}
.chap-card p {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(238, 242, 245, 0.65);
  margin: 0;
}

.obs-close {
  position: relative;
  padding: 140px 32px 80px;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0, 229, 199, 0.04), transparent 70%),
    var(--bg);
}
.close-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}
.close-head {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--fg-dim);
  text-transform: uppercase;
}
.close-head .num { color: var(--cyan); font-weight: 700; }
.close-head .rule { flex: 0 1 72px; height: 1px; background: var(--line-strong); }

.obs-close h2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 200;
  font-size: clamp(36px, 4.5vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
  color: var(--fg);
}
.obs-close h2 .em {
  color: var(--cyan);
  font-weight: 300;
}
.obs-close p {
  font-size: 17px;
  line-height: 1.55;
  color: rgba(238, 242, 245, 0.65);
  max-width: 52ch;
  margin: 0 auto 40px;
}

.close-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.close-footnote {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--fg-dimmer);
  letter-spacing: 0.1em;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.close-footnote a { color: var(--fg-dim); }
.close-footnote a:hover { color: var(--cyan); }
.close-footnote .dot { color: var(--fg-dimmer); }

@media (max-width: 1100px) {
  .obs-hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    padding: 80px 24px 24px;
  }
  .obs-headline {
    grid-column: 1;
    grid-row: 1;
    align-self: start;
    padding-top: 20px;
  }
  .obs-stage {
    position: relative;
    grid-column: 1;
    grid-row: 2;
    height: 440px;
    inset: auto;
  }
  .obs-feed {
    grid-column: 1;
    grid-row: 3;
  }
  .obs-strip {
    grid-row: 4;
    grid-template-columns: repeat(3, 1fr);
  }
  .strip-col:nth-child(4) { border-left: none; }
}

@media (max-width: 900px) {
  .service-row { grid-template-columns: 1fr; gap: 16px; padding: 36px 0; }
  .row-list { grid-template-columns: 1fr; }
  .deploy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .obs-top {
    grid-template-columns: 1fr auto;
    padding: 0 18px;
  }
  .obs-meta { display: none; }
  .obs-hero { padding: 70px 18px 20px; gap: 24px; }
  .obs-stage { height: 340px; }
  .obs-strip { grid-template-columns: repeat(2, 1fr); }
  .strip-col:nth-child(3) { border-left: none; }
  .obs-chapter { padding: 80px 18px 60px; }
  .chapter-grid { grid-template-columns: 1fr; }
  .obs-close { padding: 80px 18px 60px; }
  .obs-service { padding: 80px 18px 60px; }
}

@media (prefers-reduced-motion: reduce) {
  .live-dot, .pulse-dot { animation: none; }
}