:root {
  --bg: #131315;
  --surface: #1a1a1d;
  --surface-raised: #202024;
  --hover: #232327;
  --fg: #ececf1;
  --fg-muted: #a1a1aa;
  --fg-subtle: #71717a;
  --border: #27272c;
  --border-strong: #35353d;
  --accent: #818cf8;
  --accent-strong: #6366f1;
  --accent-strong-hover: #5457e8;
  --accent-soft: rgba(129, 140, 248, 0.1);
  --pink: #f472b6;
  --radius: 14px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: rgba(129, 140, 248, 0.3);
}

/* ---------- Reveal on scroll ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.js .reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

  .caret,
  .mock-card,
  .spec-track,
  .hero-stars::before,
  .hero-stars::after {
    animation: none !important;
  }
}

/* ---------- Caret ---------- */

.caret {
  display: inline-block;
  width: 0.5ch;
  height: 0.85em;
  margin-left: 0.12em;
  background: var(--accent);
  vertical-align: -0.08em;
  animation: blink 0.9s ease-in-out infinite;
}

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

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(19, 19, 21, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.nav-logo {
  height: 28px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.9rem;
}

.nav-links a:not(.btn) {
  position: relative;
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:not(.btn):hover {
  color: var(--fg);
}

.nav-links a:not(.btn):hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--fg);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: var(--accent-strong);
  color: #ffffff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 8px 24px rgba(99, 102, 241, 0.25);
}

.btn-primary:hover {
  background: var(--accent-strong-hover);
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 12px 32px rgba(99, 102, 241, 0.35);
}

.btn-arrow {
  transition: transform 0.15s ease;
}

.btn-primary:hover .btn-arrow {
  transform: translateX(3px);
}

.btn-ghost {
  color: var(--fg);
  border: 1px solid var(--border-strong);
  background: transparent;
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: #45454e;
}

.btn-sm {
  padding: 0.5rem 1.05rem;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 0.85rem 1.8rem;
  font-size: 1.02rem;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: 7rem 0 6rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #2b2b32 1px, transparent 1px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, black, transparent 78%);
  mask-image: radial-gradient(ellipse 75% 65% at 50% 35%, black, transparent 78%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 4rem;
  align-items: center;
}

/* Twinkling star layers behind the hero content */
.hero-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-stars::before,
.hero-stars::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: transparent;
  animation: twinkle 4.4s ease-in-out infinite alternate;
}

.hero-stars::before {
  box-shadow:
    48px 120px 0 0 rgba(205, 216, 255, 0.55),
    176px 46px 0 0 rgba(160, 176, 235, 0.35),
    258px 168px 0 0 rgba(205, 216, 255, 0.7),
    340px 84px 0 0 rgba(140, 155, 215, 0.3),
    428px 240px 0 0 rgba(205, 216, 255, 0.5),
    512px 60px 0 0 rgba(205, 216, 255, 0.65),
    618px 140px 0 0 rgba(160, 176, 235, 0.4),
    704px 32px 0 0 rgba(205, 216, 255, 0.55),
    788px 208px 0 0 rgba(140, 155, 215, 0.35),
    872px 96px 0 0 rgba(205, 216, 255, 0.75),
    956px 176px 0 0 rgba(160, 176, 235, 0.4),
    1038px 52px 0 0 rgba(205, 216, 255, 0.5),
    1122px 128px 0 0 rgba(205, 216, 255, 0.65),
    1204px 226px 0 0 rgba(140, 155, 215, 0.3),
    1290px 72px 0 0 rgba(205, 216, 255, 0.6),
    1376px 156px 0 0 rgba(160, 176, 235, 0.35),
    1458px 40px 0 0 rgba(205, 216, 255, 0.55),
    1540px 196px 0 0 rgba(205, 216, 255, 0.45),
    1624px 110px 0 0 rgba(160, 176, 235, 0.4),
    1706px 62px 0 0 rgba(205, 216, 255, 0.7),
    92px 320px 0 0 rgba(160, 176, 235, 0.4),
    308px 412px 0 0 rgba(205, 216, 255, 0.5),
    560px 356px 0 0 rgba(140, 155, 215, 0.3),
    742px 472px 0 0 rgba(205, 216, 255, 0.55),
    1012px 398px 0 0 rgba(205, 216, 255, 0.45),
    1260px 448px 0 0 rgba(160, 176, 235, 0.35),
    1488px 352px 0 0 rgba(205, 216, 255, 0.6),
    1668px 430px 0 0 rgba(140, 155, 215, 0.35),
    400px 540px 0 0 rgba(205, 216, 255, 0.4),
    900px 560px 0 0 rgba(160, 176, 235, 0.3);
}

.hero-stars::after {
  box-shadow:
    120px 210px 0 0 rgba(205, 216, 255, 0.45),
    230px 96px 0 0 rgba(205, 216, 255, 0.8),
    392px 38px 0 0 rgba(160, 176, 235, 0.4),
    476px 150px 0 0 rgba(205, 216, 255, 0.55),
    576px 252px 0 0 rgba(140, 155, 215, 0.3),
    668px 84px 0 0 rgba(205, 216, 255, 0.65),
    748px 158px 0 0 rgba(205, 216, 255, 0.4),
    836px 42px 0 0 rgba(160, 176, 235, 0.45),
    928px 238px 0 0 rgba(205, 216, 255, 0.55),
    1084px 88px 0 0 rgba(205, 216, 255, 0.75),
    1166px 172px 0 0 rgba(160, 176, 235, 0.35),
    1252px 116px 0 0 rgba(205, 216, 255, 0.5),
    1336px 262px 0 0 rgba(205, 216, 255, 0.6),
    1420px 140px 0 0 rgba(140, 155, 215, 0.35),
    1512px 76px 0 0 rgba(205, 216, 255, 0.55),
    1596px 222px 0 0 rgba(160, 176, 235, 0.4),
    1688px 148px 0 0 rgba(205, 216, 255, 0.65),
    196px 452px 0 0 rgba(205, 216, 255, 0.4),
    536px 496px 0 0 rgba(160, 176, 235, 0.3),
    1144px 508px 0 0 rgba(205, 216, 255, 0.5),
    1440px 540px 0 0 rgba(140, 155, 215, 0.35),
    1732px 382px 0 0 rgba(205, 216, 255, 0.45);
  animation-duration: 5.8s;
  animation-delay: -2.6s;
}

@keyframes twinkle {
  from {
    opacity: 0.25;
  }
  to {
    opacity: 0.95;
  }
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  background: var(--accent-soft);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  margin-bottom: 1.4rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hero-pill:hover {
  background: rgba(129, 140, 248, 0.16);
  border-color: rgba(129, 140, 248, 0.55);
}

.hero-pill:hover .btn-arrow {
  transform: translateX(2px);
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.9rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.4rem;
}

.accent-text {
  color: var(--accent);
}

/* Keeps "your <rotating word>" from ever splitting across lines */
.hero-keyword {
  display: inline-block;
  white-space: nowrap;
}

.word-rotate {
  display: inline-block;
  transition: opacity 0.3s ease, translate 0.3s ease;
}

.word-rotate.word-out {
  opacity: 0;
  translate: 0 -0.4em;
}

.word-rotate.word-in {
  opacity: 0;
  translate: 0 0.4em;
}

.word-rotate.word-off {
  transition: none;
}

.hero-sub {
  max-width: 480px;
  margin-bottom: 2.4rem;
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-bottom: 2.4rem;
}

.hero-facts {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  list-style: none;
}

.hero-facts li {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-facts li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  flex: none;
}

/* ---------- Hero mock card ---------- */

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  perspective: 1100px;
}

/* Ambient glow behind the card stack */
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -14% -20%;
  background: radial-gradient(ellipse 55% 50% at 50% 45%, rgba(99, 102, 241, 0.16), transparent 70%);
  pointer-events: none;
}

.mock-stack {
  position: relative;
  width: 100%;
  max-width: 300px;
  transform-style: preserve-3d;
  transition: transform 0.25s ease-out;
  will-change: transform;
}

.mock-card {
  position: relative;
  background: #252526;
  border: 1px solid #3e3e42;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  animation: float 7s ease-in-out infinite;
}

.mock-card-back {
  position: absolute;
  inset: 0;
  transform: rotate(-4deg) translate(-14px, 10px) translateZ(-38px);
  background: #202021;
  border-color: #333336;
  box-shadow: none;
  animation: float 7s ease-in-out 0.6s infinite;
}

@keyframes float {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -10px;
  }
}

/* Cursor glare gliding across the front card while tilting */
.mock-glare {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: radial-gradient(340px circle at var(--gx, 50%) var(--gy, 30%), rgba(255, 255, 255, 0.14), transparent 45%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.mock-stack.tilting .mock-glare {
  opacity: 1;
}

.mock-portrait {
  aspect-ratio: 3 / 4;
  background: #2d2d2d;
}

.mock-portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
}

.mock-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px 16px;
}

.mock-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #ececf1;
}

.mock-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.mock-tag {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(0, 122, 204, 0.22);
  color: #3794ff;
  border: 1px solid rgba(0, 122, 204, 0.25);
}

.mock-tag-more {
  background: #2d2d2d;
  color: #9d9d9d;
  border-color: #3e3e42;
}

.mock-activity {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}

.mock-activity span {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: #9d9d9d;
}

.mock-activity svg {
  color: #6e6e6e;
  flex: none;
}

.mock-tokens {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  align-self: flex-start;
  padding: 6px 10px;
  border-radius: 999px;
  background: #2d2d2d;
  border: 1px solid #3e3e42;
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.mock-tokens .t-active {
  color: #3794ff;
}

.mock-tokens .t-sep {
  color: #6e6e6e;
  font-weight: 400;
}

.mock-tokens .t-total {
  color: #9d9d9d;
}

.mock-tokens .t-unit {
  color: #6e6e6e;
  font-weight: 500;
}

/* ---------- Spec strip ---------- */

.spec-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.spec-inner {
  overflow: hidden;
  padding-top: 1.3rem;
  padding-bottom: 1.3rem;
}

.spec-track {
  display: flex;
  width: max-content;
  animation: spec-marquee 26s linear infinite;
  will-change: transform;
}

.spec-strip:hover .spec-track {
  animation-play-state: paused;
}

.spec-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-right: 1.5rem;
  flex: none;
}

.spec-group span {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--fg-subtle);
  display: flex;
  align-items: center;
  gap: 1.5rem;
  white-space: nowrap;
}

.spec-group span:not(:last-child)::after {
  content: "/";
  color: var(--border-strong);
}

@keyframes spec-marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Sections ---------- */

.section {
  padding: 5.5rem 0;
}

.section-label {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
}

.section h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 0.85rem;
}

.section-sub {
  text-align: center;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto 3.5rem;
  font-size: 1.05rem;
}

/* ---------- Features ---------- */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.9rem;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.055), transparent 65%);
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

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

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

.feature-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.feature-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--fg-subtle);
}

.feature-icon {
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.55rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

/* ---------- Screenshots ---------- */

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

/* 5 items on desktop: 3 on top, 2 centered below */
@media (min-width: 901px) {
  .screenshots-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .screenshots-grid > .screenshot {
    grid-column: span 2;
  }

  .screenshots-grid > .screenshot:nth-child(4):nth-last-child(2) {
    grid-column: 2 / span 2;
  }

  .screenshots-grid > .screenshot:nth-child(5):last-child {
    grid-column: 4 / span 2;
  }
}

.screenshot {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.screenshot:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(129, 140, 248, 0.12);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.7rem 0.9rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.wb-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
  flex: none;
}

.wb-url {
  margin-left: 0.6rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-subtle);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.7rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screenshot img {
  width: 100%;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}

.screenshot figcaption {
  padding: 0.9rem 1.15rem;
  font-size: 0.88rem;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
}

/* ---------- CTA ---------- */

.cta-section {
  padding-top: 1rem;
}

.cta-panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  text-align: center;
  padding: 4.5rem 2rem;
  overflow: hidden;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #26262c 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 110%, black, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 90% at 50% 110%, black, transparent 70%);
  pointer-events: none;
}

.cta-panel > * {
  position: relative;
}

.cta-sub {
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto 2.25rem;
  font-size: 1.05rem;
}

/* ---------- AI demo ---------- */

#ai {
  padding-bottom: 2rem;
}

.ai-editor {
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.ai-editor-body {
  position: relative;
  padding: 2.6rem 2.2rem 1.6rem;
  min-height: 240px;
}

.ai-toolbar-mock {
  position: absolute;
  top: 0.8rem;
  left: 2.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--fg-muted);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.ai-toolbar-mock.show {
  opacity: 1;
  transform: none;
}

.ai-sparkle {
  color: var(--pink);
  font-size: 0.85rem;
}

.ai-toolbar-name {
  color: var(--fg);
  font-weight: 600;
}

.ai-instruction {
  color: var(--fg-subtle);
}

.ai-instruction::before {
  content: "/ ";
  color: var(--border-strong);
}

.ai-text {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--fg);
  min-height: 5.5em;
}

.ai-target {
  border-radius: 3px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.ai-target.ai-selected {
  background: rgba(129, 140, 248, 0.2);
  box-shadow: 0 0 0 1px rgba(129, 140, 248, 0.4);
}

.ai-target.ai-ghost {
  white-space: pre-wrap;
  background: rgba(129, 140, 248, 0.07);
  color: rgba(129, 140, 248, 0.6);
  text-shadow: 0 0 6px rgba(129, 140, 248, 0.25);
}

.ai-target.ai-ghost--complete {
  color: rgba(129, 140, 248, 0.95);
  animation: aiGhostPulse 1.6s ease-in-out infinite;
}

.ai-target.ai-accepted {
  animation: aiAcceptFlash 0.9s ease;
}

@keyframes aiGhostPulse {
  0%,
  100% {
    opacity: 0.55;
    text-shadow: 0 0 4px rgba(129, 140, 248, 0.22);
  }
  50% {
    opacity: 0.95;
    text-shadow: 0 0 8px rgba(129, 140, 248, 0.55), 0 0 16px rgba(129, 140, 248, 0.22);
  }
}

@keyframes aiAcceptFlash {
  0% {
    background: rgba(129, 140, 248, 0.3);
  }
  100% {
    background: transparent;
  }
}

.ai-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.6rem;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.ai-actions.show {
  opacity: 1;
  transform: none;
}

.ai-action {
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--fg-muted);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 7px;
  padding: 0.35rem 0.85rem;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.ai-action.ai-accept.pressed {
  color: #ffffff;
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

@media (prefers-reduced-motion: reduce) {
  .ai-target.ai-ghost--complete,
  .ai-target.ai-accepted {
    animation: none;
  }
}

/* ---------- Agent demo ---------- */

#agent {
  padding-bottom: 2rem;
}

.agent-demo {
  max-width: 680px;
  margin: 0 auto;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.agent-body {
  position: relative;
  padding: 1.4rem 1.8rem 1.2rem;
}

.agent-banner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(129, 140, 248, 0.3);
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  margin-bottom: 1.1rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.agent-banner.show {
  opacity: 1;
}

.agent-banner::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: agentPulse 1.1s ease-in-out infinite;
}

@keyframes agentPulse {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

.agent-turn {
  display: flex;
  gap: 0.7rem;
  margin-bottom: 0.9rem;
}

.agent-turn:last-of-type {
  margin-bottom: 0;
}

.agent-role {
  flex: none;
  width: 42px;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  padding-top: 0.15rem;
}

.agent-user .agent-role {
  color: var(--pink);
}

.agent-bot .agent-role {
  color: var(--accent);
}

.agent-bubble {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  color: var(--fg);
  line-height: 1.6;
}

.agent-thread {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
  min-width: 0;
}

.agent-tool {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.3rem 0.7rem;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--surface);
  width: fit-content;
  max-width: 100%;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.agent-tool.show {
  opacity: 1;
  transform: none;
}

.agent-tool .agent-tool-tag {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 4px;
}

.agent-tool.is-list .agent-tool-tag { background: rgba(55, 148, 255, 0.18); color: #3794ff; }
.agent-tool.is-read .agent-tool-tag { background: rgba(157, 157, 157, 0.18); color: #c8c8c8; }
.agent-tool.is-write .agent-tool-tag { background: rgba(137, 209, 133, 0.18); color: #89d185; }
.agent-tool.is-delete .agent-tool-tag { background: rgba(244, 135, 113, 0.18); color: #f48771; }

.agent-tool .agent-tool-text {
  color: var(--fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.agent-tool.is-write .agent-tool-text {
  color: var(--fg);
}

.agent-prose {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
  padding: 0.2rem 0;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.agent-prose.show {
  opacity: 1;
  transform: none;
}

.agent-wrote {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: #89d185;
  background: rgba(137, 209, 133, 0.1);
  border: 1px solid rgba(137, 209, 133, 0.3);
  border-radius: 7px;
  padding: 0.3rem 0.7rem;
  width: fit-content;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.agent-wrote.show {
  opacity: 1;
  transform: none;
}

.agent-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-subtle);
}

.agent-foot-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.agent-foot-item svg {
  color: var(--fg-subtle);
}

.agent-meter-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.agent-thinking {
  margin-left: auto;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.agent-thinking.show {
  opacity: 1;
}

.agent-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-width: 560px;
  margin: 2.4rem auto 0;
}

.agent-bullets li {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.agent-bullets li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  flex: none;
}

@media (prefers-reduced-motion: reduce) {
  .agent-banner::before,
  .agent-tool,
  .agent-prose,
  .agent-wrote {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.footer-logo {
  height: 26px;
  width: auto;
  margin-bottom: 0.9rem;
}

.footer-brand p {
  color: var(--fg-subtle);
  font-size: 0.92rem;
  max-width: 260px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-subtle);
  margin-bottom: 0.3rem;
}

.footer-col a {
  color: var(--fg-muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: var(--fg);
}

.footer-legal {
  padding-top: 2rem;
}

.footer-legal p {
  font-family: var(--mono);
  color: var(--fg-subtle);
  font-size: 0.76rem;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 4.5rem;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-sub {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta,
  .hero-facts {
    justify-content: center;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a:not(.btn) {
    padding: 0.75rem 0;
  }

  .nav-links .btn {
    margin-top: 0.5rem;
    justify-content: center;
  }

  .features-grid,
  .screenshots-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 4rem 0 4.5rem;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .hero h1 br {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta .btn {
    justify-content: center;
  }

  .section {
    padding: 3.5rem 0;
  }

  .spec-inner {
    gap: 1.2rem 1.8rem;
  }

  .spec-inner span:not(:last-child)::after {
    display: none;
  }
}

/* ---------- Context demo ---------- */

.ctx-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4.5rem;
  align-items: center;
}

.ctx-copy .section-label {
  text-align: left;
}

.ctx-copy h2 {
  text-align: left;
}

.ctx-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 2rem;
}

.ctx-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.ctx-points li {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ctx-points li::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--accent);
  flex: none;
}

.ctx-panel {
  background: #1e1e1e;
  border: 1px solid #3e3e42;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  font-size: 0.92rem;
}

.ctx-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.92rem;
  background: rgba(45, 45, 45, 0.5);
  border-bottom: 1px solid #3e3e42;
  color: #cccccc;
}

.ctx-head svg {
  color: #9d9d9d;
}

.ctx-count {
  font-size: 11px;
  font-weight: 500;
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(0, 122, 204, 0.22);
  color: #3794ff;
}

.ctx-usage {
  padding: 10px 16px;
  border-bottom: 1px solid #3e3e42;
}

.ctx-usage-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #9d9d9d;
  margin-bottom: 6px;
}

.ctx-tokens {
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ctx-tokens[data-status="good"] {
  color: #89d185;
}

.ctx-tokens[data-status="warning"] {
  color: #e0c060;
}

.ctx-tokens[data-status="danger"] {
  color: #f48771;
}

.ctx-bar {
  height: 6px;
  border-radius: 999px;
  background: #2a2d2e;
  overflow: hidden;
}

.ctx-bar-fill {
  height: 100%;
  width: 8.5%;
  border-radius: 999px;
  transition: width 0.3s ease, background 0.3s ease;
}

.ctx-bar-fill[data-status="good"] {
  background: #89d185;
}

.ctx-bar-fill[data-status="warning"] {
  background: #eab308;
}

.ctx-bar-fill[data-status="danger"] {
  background: #f48771;
}

.ctx-selected {
  padding: 10px 16px;
  border-bottom: 1px solid #3e3e42;
}

.ctx-mini-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6e6e6e;
  margin-bottom: 8px;
}

.ctx-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-height: 24px;
}

.ctx-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  padding: 2px 4px 2px 8px;
  border-radius: 8px;
  background: rgba(0, 122, 204, 0.18);
  color: #3794ff;
  border: 1px solid rgba(0, 122, 204, 0.3);
  cursor: pointer;
  transition: background 0.15s ease;
}

.ctx-chip:hover {
  background: rgba(0, 122, 204, 0.32);
}

.ctx-chip svg {
  opacity: 0.8;
}

.ctx-empty {
  font-size: 11px;
  font-style: italic;
  color: #6e6e6e;
  align-self: center;
}

.ctx-list {
  list-style: none;
  padding: 8px;
  margin: 0;
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #3e3e42 transparent;
}

.ctx-item {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.ctx-item:hover {
  background: rgba(42, 45, 46, 0.6);
  border-color: #3e3e42;
}

.ctx-item.on {
  background: rgba(0, 122, 204, 0.12);
  border-color: rgba(0, 122, 204, 0.4);
}

.ctx-box {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border-radius: 4px;
  border: 1px solid #555555;
  background: #252526;
  color: transparent;
  flex: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ctx-item.on .ctx-box {
  background: #007acc;
  border-color: #007acc;
  color: #ffffff;
}

.ctx-item-text {
  flex: 1;
  min-width: 0;
}

.ctx-item-label {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  color: #ececf1;
}

.ctx-item.on .ctx-item-label {
  color: #3794ff;
}

.ctx-item-label em {
  font-style: normal;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6e6e6e;
  margin-left: 4px;
}

.ctx-item-desc {
  display: block;
  font-size: 0.74rem;
  color: #9d9d9d;
  margin-top: 1px;
}

.ctx-cost {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: #6e6e6e;
  margin-top: 3px;
  flex: none;
  font-variant-numeric: tabular-nums;
}

.lore-demo {
  margin-top: 2rem;
  max-width: 380px;
}

.lore-demo .ctx-mini-label {
  color: var(--fg-subtle);
  margin-bottom: 8px;
}

.lore-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: #1e1e1e;
  border: 1px solid #3e3e42;
  border-radius: 10px;
  transition: border-color 0.2s ease;
}

.lore-entry.hidden {
  border-color: rgba(0, 122, 204, 0.4);
}

.lore-entry-text {
  flex: 1;
  min-width: 0;
}

.lore-entry-name {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  color: #ececf1;
}

.lore-entry-meta {
  display: block;
  font-size: 0.74rem;
  color: #9d9d9d;
  margin-top: 2px;
}

.lore-hidden-note {
  display: none;
  font-style: normal;
  color: #3794ff;
}

.lore-entry.hidden .lore-hidden-note {
  display: inline;
}

.lore-eye {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background: none;
  border: none;
  border-radius: 8px;
  color: #89d185;
  cursor: pointer;
  transition: color 0.2s ease, background 0.15s ease;
}

.lore-eye:hover {
  background: #2a2d2e;
}

.lore-eye .eye-off {
  display: none;
}

.lore-entry.hidden .lore-eye {
  color: #6e6e6e;
}

.lore-entry.hidden .eye-on {
  display: none;
}

.lore-entry.hidden .eye-off {
  display: block;
}

.ctx-hint {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-subtle);
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .ctx-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .ctx-copy .section-label,
  .ctx-copy h2 {
    text-align: center;
  }

  .ctx-sub {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .ctx-points {
    align-items: center;
  }

  .ctx-demo {
    max-width: 420px;
    margin: 0 auto;
    width: 100%;
  }
}

/* ---------- Docs section link ---------- */

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.6rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

.section-link:hover {
  color: var(--fg);
}

.section-link:hover .btn-arrow {
  transform: translateX(3px);
}

/* ---------- AI studio section ---------- */

.studio-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.studio-shot {
  margin: 0;
}

.studio-copy .section-label,
.studio-copy h2 {
  text-align: left;
}

.studio-cta {
  margin-top: 2.2rem;
}

@media (max-width: 900px) {
  .studio-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .studio-copy .section-label,
  .studio-copy h2 {
    text-align: center;
  }

  .studio-copy .ctx-sub {
    text-align: center;
  }

  .studio-copy .ctx-points {
    align-items: center;
  }

  .studio-cta {
    display: flex;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ---------- Extension banner ---------- */

#extension {
  padding-top: 1rem;
}

.ext-panel {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 2.4rem 2.8rem;
}

.ext-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(129, 140, 248, 0.3);
  flex: none;
}

.ext-copy {
  min-width: 0;
}

.ext-copy .section-label {
  text-align: left;
  margin-bottom: 0.4rem;
}

.ext-copy h2 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.ext-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
  max-width: 540px;
}

.ext-note {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--fg-subtle);
  margin-top: 0.9rem;
}

.ext-cta {
  margin-left: auto;
  flex: none;
  white-space: nowrap;
}

@media (max-width: 860px) {
  .ext-panel {
    flex-direction: column;
    text-align: center;
    gap: 1.4rem;
    padding: 2.2rem 1.5rem;
  }

  .ext-copy .section-label {
    text-align: center;
  }

  .ext-sub {
    margin: 0 auto;
  }

  .ext-cta {
    margin: 0;
  }
}

/* ---------- Lightbox ---------- */

img.zoomable {
  cursor: zoom-in;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  cursor: zoom-out;
  transition: opacity 0.2s ease;
}

.lightbox[hidden] {
  display: none;
}

.lightbox.open {
  opacity: 1;
}

.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
  transform: scale(0.96);
  transition: transform 0.2s ease;
}

.lightbox.open img {
  transform: none;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.lightbox-close:hover {
  color: var(--fg);
  border-color: #4a4a52;
}