/* =============================================================================
   Forge — Wiki stylesheet
   Loaded by index.html. Keep rules one-property-per-line for readability.
   @author Son Nguyen <hoangson091104@gmail.com>
   ============================================================================= */

:root {
  --bg: #07090d;
  --bg2: #0a0e14;
  --panel: #0f1520;
  --panel2: #111827;
  --border: #1a2230;
  --border2: #26314a;
  --border3: #3a4560;
  --fg: #f4f6fa;
  --fg2: #b0b8c7;
  --fg3: #6b7380;
  --fg4: #3b4150;
  --teal: #2dd4bf;
  --cyan: #22d3ee;
  --blue: #3b82f6;
  --violet: #a78bfa;
  --pink: #f472b6;
  --orange: #fb923c;
  --ok: #10b981;
  --bad: #f87171;
  --yellow: #fde047;
  --grad-a: linear-gradient(135deg, #2dd4bf 0%, #22d3ee 40%, #3b82f6 70%, #a78bfa 100%);
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  --sans: "Inter", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-snap: cubic-bezier(.22, 1, .36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 128px;
  -webkit-text-size-adjust: 100%;
}

html,
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  overflow-x: hidden;
  max-width: 100vw;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color .2s var(--ease);
}

a:hover {
  color: var(--cyan);
}

p {
  color: var(--fg2);
  max-width: 70ch;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

code {
  font-family: var(--mono);
  font-size: .9em;
  color: var(--cyan);
  background: rgba(34, 211, 238, .08);
  padding: 2px 6px;
  border-radius: 4px;
  word-break: break-word;
}

:is(h1, h2, h3, h4) {
  letter-spacing: -.025em;
  font-weight: 700;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h2 {
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.15;
  margin-bottom: 16px;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
  line-height: 1.3;
}

h4 {
  font-size: 12px;
  font-family: var(--mono);
  font-weight: 500;
  color: var(--fg2);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

ul {
  padding-left: 22px;
  color: var(--fg2);
}

ul li {
  margin: 5px 0;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4vw, 48px);
}

.narrow {
  max-width: 960px;
  margin: 0 auto;
}

/* =============================================================================
   TOPBAR — single row: logo · scrolling nav · github CTA
   ============================================================================= */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 9, 13, .85);
  backdrop-filter: saturate(160%) blur(18px);
  border-bottom: 1px solid var(--border);
}

.topbar .row {
  position: relative;
  display: flex;
  align-items: stretch;
  gap: 10px;
  padding: 0 clamp(14px, 3vw, 28px);
  width: 100%;
  min-height: 56px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  letter-spacing: -.01em;
  font-size: 15px;
  color: var(--fg);
  flex-shrink: 0;
}

.logo svg {
  width: 22px;
  height: 22px;
  filter: drop-shadow(0 0 10px rgba(45, 212, 191, .5));
}

/* Nav strip — spans the full width between logo and GitHub button,
   links distributed edge-to-edge via space-between so nothing clusters
   in the center. Shrinks + scrolls horizontally on narrow viewports. */
.nav-links {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 4px;
  padding: 0 clamp(16px, 2vw, 28px) 0 clamp(8px, 1.5vw, 20px);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

/* When the strip overflows (mobile), space-between collapses visually and
   items pack with just `gap` between them — which is what we want. */

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  font-size: 13.5px;
  color: var(--fg3);
  white-space: nowrap;
  transition: color .2s var(--ease);
  font-weight: 500;
  scroll-snap-align: center;
  flex-shrink: 0;
  letter-spacing: -.005em;
}

.nav-links a:hover {
  color: var(--fg);
}

.nav-links a.active {
  color: var(--fg);
}

/* Active underline — sits directly beneath the link text so the progress
   bar at the bottom of the topbar never covers it. */
.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 10px;
  height: 2px;
  background: var(--grad-a);
  background-size: 200% 200%;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .35s var(--ease-snap);
  animation: grad 10s ease infinite;
}

.nav-links a.active::after {
  transform: scaleX(1);
  box-shadow: 0 0 10px rgba(45, 212, 191, .5);
}

.nav-gh {
  align-self: center;
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 6px 10px 6px 12px;
  color: var(--fg) !important;
  font-size: 13px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  transition: all .2s var(--ease);
}

.nav-gh:hover {
  background: #0f1726;
  border-color: var(--teal);
  color: var(--teal) !important;
}

.nav-gh svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

/* Scroll progress bar */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: transparent;
  pointer-events: none;
  z-index: 51;
}

.progress-bar {
  height: 100%;
  width: 0;
  background: var(--grad-a);
  background-size: 200% 200%;
  box-shadow: 0 0 10px rgba(45, 212, 191, .6);
  transition: width .15s linear;
  animation: grad 10s ease infinite;
}

@keyframes grad {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

@media (max-width: 560px) {
  .topbar .row    { gap: 6px; padding: 0 12px; }
  .logo           { padding-right: 8px; gap: 6px; }
  .logo span.title{ display: none; }
  .nav-gh span    { display: none; }
  .nav-gh         { padding: 6px 8px; }
  .nav-links      { padding: 0 12px 0 6px; }
  .nav-links a    { padding: 0 10px; font-size: 13px; }
}

/* =============================================================================
   HERO
   ============================================================================= */

.hero {
  position: relative;
  min-height: 82vh;
  min-height: 82svh;
  width: 100%;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(48px, 7vh, 96px) clamp(18px, 4vw, 48px) clamp(40px, 6vh, 72px);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: -10%;
  pointer-events: none;
  z-index: -2;
}

.hero::before {
  background:
    radial-gradient(ellipse 40% 35% at 20% 28%, rgba(45, 212, 191, .18), transparent 60%),
    radial-gradient(ellipse 35% 30% at 82% 32%, rgba(167, 139, 250, .14), transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 92%, rgba(34, 211, 238, .14), transparent 60%);
  filter: blur(10px);
  animation: drift 24s ease-in-out infinite alternate;
}

.hero::after {
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 40%, transparent 85%);
  opacity: .55;
}

@keyframes drift {
  0%   { transform: translate3d(-2%, -1%, 0) scale(1); }
  50%  { transform: translate3d(3%, 2%, 0) scale(1.03); }
  100% { transform: translate3d(-1%, -3%, 0) scale(1); }
}

@keyframes subtleFloat {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 0 rgba(45, 212, 191, 0)); }
  50% { transform: translateY(-4px); filter: drop-shadow(0 4px 12px rgba(45, 212, 191, 0.2)); }
}

.hero-inner {
  max-width: 1240px;
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  background: rgba(15, 21, 32, .7);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--fg2);
  width: fit-content;
  backdrop-filter: blur(8px);
  animation: subtleFloat 6s ease-in-out infinite 0.5s;
}

.eyebrow .pulse {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 8px var(--ok);
  animation: pulse 2s infinite var(--ease);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.6); opacity: .5; }
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(34px, 5.5vw, 72px);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.02;
  color: var(--fg);
  max-width: 18ch;
  animation: subtleFloat 6s ease-in-out infinite 1s;
}

.hero h1 .line {
  display: block;
  overflow: hidden;
}

.hero h1 .line > span {
  display: inline-block;
  transform: translateY(110%);
  animation: riseUp .85s var(--ease-snap) both;
}

.hero h1 .line:nth-child(1) > span { animation-delay: .08s; }
.hero h1 .line:nth-child(2) > span { animation-delay: .18s; }

.hero h1 em {
  font-style: normal;
  background: var(--grad-a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: grad 10s ease infinite;
}

@keyframes riseUp {
  from { transform: translateY(110%); }
  to   { transform: translateY(0); }
}

.hero .lede {
  margin-top: 20px;
  font-size: clamp(15px, 1.3vw, 18px);
  color: var(--fg2);
  max-width: 62ch;
  line-height: 1.55;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .4s forwards, subtleFloat 6s ease-in-out infinite 1.2s;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

.hero .cta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  opacity: 0;
  animation: fadeUp .8s var(--ease) .5s forwards, subtleFloat 6s ease-in-out infinite 1.3s;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 1px solid var(--border2);
  background: rgba(15, 21, 32, .6);
  color: var(--fg);
  font-weight: 600;
  font-size: 14px;
  transition: all .25s var(--ease);
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: var(--teal);
  color: var(--fg);
  background: rgba(20, 28, 42, .8);
}

.btn.primary {
  background: var(--grad-a);
  background-size: 200% 200%;
  color: #001820;
  border: 0;
  box-shadow: 0 16px 40px -12px rgba(34, 211, 238, .5), inset 0 1px 0 rgba(255, 255, 255, .3);
  animation: grad 10s ease infinite;
}

.btn.primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  margin-top: clamp(36px, 5vh, 60px);
  border-top: 1px solid var(--border);
  padding-top: 22px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) .65s forwards, subtleFloat 6s ease-in-out infinite 1.65s;
}

.hero-stat {
  padding: 2px 18px;
  border-right: 1px solid var(--border);
}

.hero-stat:last-child  { border-right: 0; }
.hero-stat:first-child { padding-left: 0; }

.hero-stat .n {
  font-family: var(--mono);
  font-size: clamp(18px, 2.1vw, 24px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--fg);
  line-height: 1;
}

.hero-stat .l {
  color: var(--fg3);
  font-size: 10.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-top: 6px;
}

@media (max-width: 720px) {
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 2px; }
  .hero-stat  { border-right: 0; border-bottom: 1px solid var(--border); padding: 12px 0; }
  .hero-stat:first-child            { padding-top: 0; }
  .hero-stat:nth-last-child(-n + 2) { border-bottom: 0; }
  .hero-stat:nth-last-child(2)      { padding-left: 18px; border-left: 1px solid var(--border); }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* =============================================================================
   MARQUEES
   ============================================================================= */

.marquee-band {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  background: #050810;
}

.marquee-band:nth-of-type(even) {
  background: #07090f;
}

.marquee-band::before,
.marquee-band::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 10vw;
  z-index: 2;
  pointer-events: none;
}

.marquee-band::before {
  left: 0;
  background: linear-gradient(90deg, #050810, transparent);
}

.marquee-band::after {
  right: 0;
  background: linear-gradient(-90deg, #050810, transparent);
}

.marquee {
  display: flex;
  gap: var(--gap, 56px);
  width: max-content;
  animation: scroll var(--dur, 40s) linear infinite;
}

.marquee.reverse {
  animation-direction: reverse;
}

.marquee:hover {
  animation-play-state: paused;
}

.mq-item {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: clamp(18px, 2.6vw, 32px);
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--fg);
  white-space: nowrap;
}

.mq-item.accent {
  color: transparent;
  background: var(--grad-a);
  -webkit-background-clip: text;
  background-clip: text;
}

.mq-item.ghost {
  color: transparent;
  -webkit-text-stroke: 1px var(--fg3);
}

.mq-item .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 10px var(--teal);
  flex-shrink: 0;
}

.mq-item.ghost .dot {
  background: var(--violet);
  box-shadow: 0 0 10px var(--violet);
}

.mq-small {
  font-family: var(--mono);
  font-size: 12.5px;
  padding: 4px 12px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  background: rgba(15, 21, 32, .4);
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: .04em;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.mq-small:hover {
  transform: translateY(-1px);
}

/* Cycle through 8 brand colors so each chip pops. Separator dot adopts
   the same hue as its chip for consistency. */
.mq-small:nth-child(8n + 1) {
  color: var(--teal);
  border-color: color-mix(in srgb, var(--teal) 45%, var(--border2));
  background: color-mix(in srgb, var(--teal) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--teal) 80%, transparent);
}

.mq-small:nth-child(8n + 2) {
  color: var(--cyan);
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--border2));
  background: color-mix(in srgb, var(--cyan) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--cyan) 80%, transparent);
}

.mq-small:nth-child(8n + 3) {
  color: var(--blue);
  border-color: color-mix(in srgb, var(--blue) 45%, var(--border2));
  background: color-mix(in srgb, var(--blue) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--blue) 80%, transparent);
}

.mq-small:nth-child(8n + 4) {
  color: var(--violet);
  border-color: color-mix(in srgb, var(--violet) 45%, var(--border2));
  background: color-mix(in srgb, var(--violet) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--violet) 80%, transparent);
}

.mq-small:nth-child(8n + 5) {
  color: var(--pink);
  border-color: color-mix(in srgb, var(--pink) 45%, var(--border2));
  background: color-mix(in srgb, var(--pink) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--pink) 80%, transparent);
}

.mq-small:nth-child(8n + 6) {
  color: var(--orange);
  border-color: color-mix(in srgb, var(--orange) 45%, var(--border2));
  background: color-mix(in srgb, var(--orange) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--orange) 80%, transparent);
}

.mq-small:nth-child(8n + 7) {
  color: var(--yellow);
  border-color: color-mix(in srgb, var(--yellow) 45%, var(--border2));
  background: color-mix(in srgb, var(--yellow) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--yellow) 80%, transparent);
}

.mq-small:nth-child(8n + 8) {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border2));
  background: color-mix(in srgb, var(--ok) 9%, rgba(15, 21, 32, .4));
  box-shadow: 0 0 14px -6px color-mix(in srgb, var(--ok) 80%, transparent);
}

.mq-small .k {
  color: currentColor;
  opacity: .55;
  margin: 0 2px;
}

@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =============================================================================
   SECTIONS + GRID + CARDS
   ============================================================================= */

section {
  padding: clamp(52px, 7vw, 96px) 0;
  position: relative;
}

section.alt {
  background: linear-gradient(180deg, #070a10, #05070b);
}

.section-head {
  max-width: 860px;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.section-head .tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--border2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--fg3);
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: clamp(26px, 4vw, 44px);
  letter-spacing: -.035em;
  font-weight: 800;
  line-height: 1.08;
}

.section-head h2 em {
  font-style: normal;
  background: var(--grad-a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-head p {
  margin-top: 14px;
  color: var(--fg2);
  font-size: clamp(14.5px, 1.1vw, 16px);
  max-width: 68ch;
  line-height: 1.6;
}

.subhead {
  font-size: clamp(18px, 1.8vw, 22px);
  margin: 32px 0 12px;
  letter-spacing: -.02em;
  color: var(--fg);
}

.subhead:first-child {
  margin-top: 0;
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 960px) {
  .grid-3,
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .grid-2,
  .grid-3,
  .grid-4 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel2) 100%);
  padding: 22px;
  transition: all .3s var(--ease);
  overflow: hidden;
  isolation: isolate;
  min-width: 0;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(45, 212, 191, .32) 50%, transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s var(--ease);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-3px);
  border-color: var(--border2);
}

.card:hover::before {
  opacity: 1;
}

.card .num {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg4);
  letter-spacing: .18em;
}

.card h3 {
  font-size: 17px;
  margin-top: 10px;
  margin-bottom: 8px;
  letter-spacing: -.02em;
  color: var(--fg);
}

.card p {
  color: var(--fg2);
  font-size: 14px;
  line-height: 1.55;
}

.card .tags {
  display: flex;
  gap: 5px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.card .tags span {
  font-family: var(--mono);
  font-size: 10.5px;
  padding: 2px 7px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--fg3);
  background: rgba(0, 0, 0, .2);
}

/* =============================================================================
   macOS-STYLE CODE WINDOWS
   ============================================================================= */

.code-win {
  background: linear-gradient(180deg, #0f1220, #080a12);
  border: 1px solid var(--border2);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 50px -28px rgba(0, 0, 0, .75);
  margin: 14px 0;
  font-family: var(--mono);
  min-width: 0;
}

.code-win .titlebar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(180deg, #1a1f33, #11152a);
  border-bottom: 1px solid #0a0d1a;
  flex-wrap: wrap;
}

.code-win .traffic {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}

.code-win .traffic i {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
  box-shadow: inset 0 0 0 .5px rgba(0, 0, 0, .3);
}

.code-win .traffic i:nth-child(1) { background: #ff5f57; }
.code-win .traffic i:nth-child(2) { background: #febc2e; }
.code-win .traffic i:nth-child(3) { background: #28c840; }

.code-win .ttl {
  flex: 1;
  min-width: 0;
  text-align: center;
  font-size: 11.5px;
  color: #a0a5b3;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: .01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.code-win .lang {
  font-size: 10px;
  color: var(--fg3);
  padding: 2px 7px;
  border: 1px solid var(--border2);
  border-radius: 4px;
  font-family: var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.code-win pre {
  margin: 0;
  background: #05070d;
  padding: 16px 18px;
  overflow-x: auto;
  color: #d6dbe5;
  line-height: 1.65;
  font-family: var(--mono);
  font-size: 12.5px;
  border: 0;
  white-space: pre;
}

.code-win pre .dim  { color: var(--fg3); }
.code-win pre .ok   { color: var(--teal); }
.code-win pre .warn { color: var(--orange); }
.code-win pre .ac   { color: var(--cyan); }
.code-win pre .vi   { color: var(--violet); }
.code-win pre .kw   { color: var(--pink); }
.code-win pre .str  { color: var(--yellow); }
.code-win pre .com  { color: var(--fg4); font-style: italic; }

.code-win pre .prompt::before {
  content: "$ ";
  color: var(--teal);
  font-weight: 700;
}

.caret {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--teal);
  margin-left: 2px;
  vertical-align: -2px;
  animation: blink 1.1s steps(1) infinite;
  box-shadow: 0 0 8px var(--teal);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* =============================================================================
   MERMAID — readability overrides
   ============================================================================= */

.mermaid-wrap {
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(45, 212, 191, .06), transparent 70%),
    linear-gradient(180deg, #0a0e16, #07090e);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: clamp(24px, 3vw, 48px) clamp(16px, 2.5vw, 36px);
  margin: 20px 0;
  overflow-x: auto;
  min-width: 0;
  text-align: center;
}

.mermaid-wrap > .mermaid {
  display: block;
  width: 100%;
  min-width: fit-content;
  text-align: left;
}

/* Cap at a sensible width so diagrams stay readable without dominating
   the section. Intrinsic size still drives how packed each diagram looks. */
.mermaid-wrap > .mermaid > svg {
  display: block;
  max-width: min(100%, 820px) !important;
  height: auto !important;
  margin: 0 auto !important;
}

/* Leave mermaid's label font + metrics alone — the library measures text
   with its own font/weight/line-height to auto-size nodes. Overriding
   any of those breaks the width calculation and clips labels. */

/* Let node text render beyond its computed box. Mermaid undersizes nodes
   whenever labels contain emoji (measured at 0-width in a detached DOM,
   then rendered at real width), so text clips at the right edge of each
   node rectangle. Allowing foreignObject + label overflow keeps labels
   readable even when the underlying box is a few pixels too narrow. */
.mermaid foreignObject,
.mermaid foreignObject > div,
.mermaid .nodeLabel,
.mermaid .label {
  overflow: visible !important;
}

.mermaid foreignObject > div {
  white-space: nowrap !important;
}

.mermaid .edgeLabel {
  background: #0a0e14 !important;
  padding: 2px 6px !important;
  border-radius: 4px !important;
  color: var(--fg2) !important;
}

/* =============================================================================
   RUNTIME-METRIC CHARTS + KPI + TABLES
   ============================================================================= */

.chart {
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  min-width: 0;
}

.chart h3 {
  margin-bottom: 6px;
  font-size: 16px;
}

.chart .sub {
  color: var(--fg3);
  font-size: 12.5px;
  margin-bottom: 20px;
  font-family: var(--mono);
}

.bars {
  display: grid;
  gap: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(90px, 140px) 1fr auto;
  gap: 14px;
  align-items: center;
  font-family: var(--mono);
  font-size: 12.5px;
}

.bar-row .lbl {
  color: var(--fg2);
}

.bar-row .track {
  position: relative;
  height: 24px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.bar-row .fill {
  height: 100%;
  background: var(--grad-a);
  background-size: 200% 200%;
  border-radius: 5px;
  transform-origin: left;
  animation: grad 10s ease infinite, grow 1.2s var(--ease-snap) both;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06);
}

.bar-row .fill.muted {
  background: linear-gradient(135deg, #475569, #64748b);
  animation: grow 1.2s var(--ease-snap) both;
}

.bar-row .v {
  color: var(--fg);
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.bar-row .v .u {
  color: var(--fg3);
  font-weight: 500;
  margin-left: 3px;
}

@keyframes grow {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

@media (max-width: 520px) {
  .bar-row { grid-template-columns: 90px 1fr auto; font-size: 11.5px; }
}

.kpi {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  position: relative;
  overflow: hidden;
}

.kpi::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(45, 212, 191, .12), transparent 70%);
  pointer-events: none;
}

.kpi .big {
  font-family: var(--mono);
  font-size: clamp(28px, 3.4vw, 40px);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--fg);
  line-height: 1;
}

.kpi .big .u {
  font-size: .55em;
  color: var(--fg3);
  font-weight: 500;
  margin-left: 4px;
}

.kpi .k {
  color: var(--fg3);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-top: 4px;
  font-family: var(--mono);
}

.kpi .h {
  color: var(--fg2);
  font-size: 13.5px;
  margin-top: 10px;
  line-height: 1.45;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  -webkit-overflow-scrolling: touch;
}

table.mx {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  font-size: 13.5px;
  margin: 14px 0;
  min-width: 520px;
}

table.mx th,
table.mx td {
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.mx th {
  background: rgba(0, 0, 0, .35);
  color: var(--fg2);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

table.mx tr:last-child td {
  border-bottom: 0;
}

table.mx .y    { color: var(--teal); font-weight: 600; }
table.mx .n    { color: var(--fg4); }
table.mx code  { color: var(--cyan); }

/* =============================================================================
   TOC + CTA + FOOTER
   ============================================================================= */

.toc {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 18px;
}

.toc a {
  display: flex;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0a0e14;
  color: var(--fg2);
  font-size: 13.5px;
  transition: all .2s var(--ease);
}

.toc a:hover {
  border-color: var(--teal);
  color: var(--fg);
  background: #0f1520;
}

.toc a .n {
  font-family: var(--mono);
  color: var(--fg4);
  font-size: 11px;
  letter-spacing: .1em;
  min-width: 22px;
}

.cta-block {
  margin: 0 auto;
  max-width: 980px;
  border-radius: 20px;
  padding: clamp(36px, 5vw, 64px);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border2);
  background:
    radial-gradient(ellipse 80% 100% at 0% 0%, rgba(45, 212, 191, .15), transparent 50%),
    radial-gradient(ellipse 80% 100% at 100% 100%, rgba(167, 139, 250, .15), transparent 50%),
    linear-gradient(180deg, #0a1118, #07090e);
}

.cta-block h3 {
  font-size: clamp(22px, 3.2vw, 32px);
  letter-spacing: -.025em;
  margin-bottom: 12px;
}

footer {
  padding: 44px 0 36px;
  color: var(--fg3);
  font-size: 12.5px;
  border-top: 1px solid var(--border);
}

footer .row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
}

footer a {
  color: var(--fg2);
}

/* =============================================================================
   COUNT-UP TYPOGRAPHY
   Numerals get tabular figures so the width doesn't jitter as digits change.
   ============================================================================= */

.cu {
  font-variant-numeric: tabular-nums;
  display: inline-block;
  min-width: 1ch;
}

/* =============================================================================
   SCROLL REVEAL
   Each [data-reveal] starts offset + dimmed + blurred, then snaps in.
   Stagger via --reveal-delay (set by JS per row/card).
   ============================================================================= */

[data-reveal] {
  opacity: 0;
  transform: translate3d(0, 48px, 0) scale(.94);
  filter: blur(8px);
  transition:
    opacity .9s var(--ease) var(--reveal-delay, 0ms),
    transform 1s var(--ease-snap) var(--reveal-delay, 0ms),
    filter .8s var(--ease) var(--reveal-delay, 0ms);
  will-change: opacity, transform, filter;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  filter: none;
}

/* Cards get a short extra slide from the side depending on column position —
   gives a gentle cascade instead of a flat sweep. */
.grid > [data-reveal] {
  transform: translate3d(-12px, 56px, 0) scale(.92);
}

.grid > [data-reveal]:nth-child(even) {
  transform: translate3d(12px, 56px, 0) scale(.92);
}

.grid > [data-reveal].is-visible {
  transform: translate3d(0, 0, 0) scale(1);
}

/* =============================================================================
   REDUCED MOTION
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .marquee {
    animation: none !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}