/* Design tokens */
:root {
  --bg: #0a0a0a;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.72);
  --muted2: rgba(255, 255, 255, 0.56);
  --border: rgba(255, 255, 255, 0.10);
  --border2: rgba(255, 255, 255, 0.14);
  --card: rgba(16, 16, 16, 0.72);
  --card2: rgba(16, 16, 16, 0.88);
  --accent: #00ff88;
  --accent2: rgba(0, 255, 136, 0.35);
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
  --radius: 18px;
  --radius2: 22px;
  --container: 1120px;
  --g1: radial-gradient(
    circle at 25% 20%,
    rgba(0, 255, 136, 0.14),
    transparent 45%
  );
  --g2: radial-gradient(
    circle at 70% 70%,
    rgba(0, 255, 136, 0.10),
    transparent 50%
  );
  --g3: radial-gradient(
    circle at 60% 15%,
    rgba(0, 255, 136, 0.08),
    transparent 35%
  );
}

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

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* Background */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    var(--g1),
    var(--g2),
    var(--g3),
    radial-gradient(
      circle at 50% 100%,
      rgba(0, 255, 136, 0.08),
      transparent 55%
    ),
    radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.05), transparent 35%);
}

.bg__grid {
  position: absolute;
  inset: -30%;
  opacity: 0.42;
  background:
    linear-gradient(to right, rgba(0, 255, 136, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 255, 136, 0.045) 1px, transparent 1px);
  background-size: 68px 68px;
  transform: translate3d(0, 0, 0);
  animation: bg-drift 18s linear infinite;
  filter: drop-shadow(0 0 18px rgba(0, 255, 136, 0.18));
}

.bg__dots {
  position: absolute;
  inset: -15%;
  opacity: 0.35;
  background: radial-gradient(rgba(0, 255, 136, 0.20) 1px, transparent 1px);
  background-size: 34px 34px;
  animation: bg-drift2 28s linear infinite;
  filter: blur(0.2px);
}

.bg__glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(
    circle at var(--mx, 50%) var(--my, 40%),
    rgba(0, 255, 136, 0.14),
    transparent 40%
  );
  opacity: 0.8;
  transition: opacity 400ms ease;
}

@keyframes bg-drift {
  0% {
    transform: translate3d(-2%, -2%, 0);
  }
  50% {
    transform: translate3d(2%, 2%, 0);
  }
  100% {
    transform: translate3d(-2%, -2%, 0);
  }
}

@keyframes bg-drift2 {
  0% {
    transform: translate3d(2%, -1%, 0);
  }
  50% {
    transform: translate3d(-2%, 1.5%, 0);
  }
  100% {
    transform: translate3d(2%, -1%, 0);
  }
}

/* Navbar */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 10, 10, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav__inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo__mark {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow:
    0 0 0 4px rgba(0, 255, 136, 0.10),
    0 0 18px rgba(0, 255, 136, 0.35);
}

.logo__text {
  font-size: 15px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav__link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.78);
  padding: 10px 10px;
  border-radius: 10px;
  transition: color 200ms ease, background 200ms ease;
}

.nav__link:hover {
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.04);
}

.nav__link.is-active {
  color: rgba(255, 255, 255, 0.96);
  background: rgba(255, 255, 255, 0.05);
}

.nav__link--github {
  color: #06110b;
  background: var(--accent);
  font-weight: 700;
  box-shadow:
    0 0 0 5px rgba(0, 255, 136, 0.12),
    0 10px 30px rgba(0, 255, 136, 0.16);
}

.nav__link--github:hover {
  background: #23ff99;
}

.nav__burger {
  display: none;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  padding: 10px 10px;
  color: var(--text);
}

.nav__burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255, 255, 255, 0.85);
  margin: 4px 0;
  border-radius: 999px;
}

.nav__mobile {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 10, 10, 0.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.nav__mobileInner {
  padding: 16px 20px 22px;
  display: grid;
  gap: 10px;
}

.nav__mobileLink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(255, 255, 255, 0.88);
  transition: border-color 200ms ease, transform 200ms ease;
}

.nav__mobileLink:hover {
  border-color: rgba(0, 255, 136, 0.28);
  transform: translateY(-1px);
}

.nav__mobileLink--github {
  border-color: rgba(0, 255, 136, 0.35);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.12);
}

/* Sections */
.section {
  padding: 84px 0;
}

.hero {
  padding-top: 64px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 46px;
}

.hero__kicker {
  margin: 0 0 12px;
  color: rgba(0, 255, 136, 0.88);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero__title {
  margin: 0 0 14px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.hero__sub {
  margin: 0 0 22px;
  font-size: 16px;
  color: var(--muted);
  max-width: 56ch;
}

.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.metaPill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.02);
  color: rgba(255, 255, 255, 0.80);
  font-size: 12px;
}

.metaPill--outline {
  background: transparent;
  border-color: rgba(0, 255, 136, 0.18);
}

.metaPill__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(0, 255, 136, 0.55);
}

.hero__panel {
  position: relative;
}

.terminal {
  border-radius: var(--radius2);
  border: 1px solid rgba(0, 255, 136, 0.18);
  background: linear-gradient(
    180deg,
    rgba(16, 16, 16, 0.62),
    rgba(10, 10, 10, 0.90)
  );
  box-shadow: var(--shadow);
  overflow: hidden;
}

.terminal::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius2) + 2px);
  background: radial-gradient(
    circle at 30% 20%,
    rgba(0, 255, 136, 0.35),
    transparent 45%
  );
  filter: blur(14px);
  opacity: 0.35;
  pointer-events: none;
}

.terminal__top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  opacity: 0.9;
}

.terminal__dot--r {
  background: #ff5f56;
}
.terminal__dot--y {
  background: #ffbd2e;
}
.terminal__dot--g {
  background: #27c93f;
}

.terminal__title {
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.70);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.terminal__body {
  padding: 16px 16px 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 12.5px;
  line-height: 1.6;
}

.terminal__line {
  color: rgba(255, 255, 255, 0.84);
  margin: 4px 0;
}

.terminal__line--muted {
  color: rgba(255, 255, 255, 0.60);
}

.terminal__line--ok {
  color: rgba(0, 255, 136, 0.86);
}

.terminal__prompt {
  color: rgba(0, 255, 136, 0.90);
  margin-right: 8px;
}

.caret {
  display: inline-block;
  width: 9px;
  height: 15px;
  border-radius: 2px;
  background: rgba(0, 255, 136, 0.75);
  box-shadow: 0 0 18px rgba(0, 255, 136, 0.38);
  animation: caret-blink 1100ms steps(2, end) infinite;
  transform: translateY(2px);
}

@keyframes caret-blink {
  0%,
  50% {
    opacity: 1;
  }
  51%,
  100% {
    opacity: 0;
  }
}

.sectionHead {
  margin-bottom: 26px;
}

.sectionHead__kicker {
  margin: 0 0 10px;
  color: rgba(0, 255, 136, 0.86);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.sectionHead__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.4vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.sectionHead__sub {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

/* Grid + Cards */
.grid {
  display: grid;
  gap: 14px;
}

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(16, 16, 16, 0.52);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  padding: 18px 18px 20px;
  transition:
    transform 240ms ease,
    border-color 240ms ease,
    box-shadow 240ms ease;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: -2px;
  background: radial-gradient(
    circle at 22% 14%,
    rgba(0, 255, 136, 0.22),
    transparent 55%
  );
  opacity: 0;
  transition: opacity 240ms ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 136, 0.22);
  box-shadow:
    0 18px 70px rgba(0, 0, 0, 0.45),
    0 0 0 6px rgba(0, 255, 136, 0.06);
}

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

.card__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  border: 1px solid rgba(0, 255, 136, 0.18);
  background: rgba(0, 255, 136, 0.06);
  box-shadow: 0 0 22px rgba(0, 255, 136, 0.10);
  font-size: 18px;
  margin-bottom: 12px;
}

.card__title {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.card__text {
  margin: 0;
  color: var(--muted);
  font-size: 13.5px;
}

.card__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 12px;
}

.card--agent {
  background: rgba(16, 16, 16, 0.58);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    background 200ms ease,
    border-color 200ms ease;
  font-size: 13px;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  color: #06110b;
  background: var(--accent);
  box-shadow:
    0 0 0 7px rgba(0, 255, 136, 0.10),
    0 18px 60px rgba(0, 255, 136, 0.14);
}

.btn--primary:hover {
  background: #23ff99;
  box-shadow:
    0 0 0 7px rgba(0, 255, 136, 0.12),
    0 22px 70px rgba(0, 255, 136, 0.18);
  transform: translateY(-1px);
}

.btn--secondary {
  color: rgba(255, 255, 255, 0.90);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.02);
}

.btn--secondary:hover {
  border-color: rgba(0, 255, 136, 0.25);
  box-shadow: 0 0 0 6px rgba(0, 255, 136, 0.06);
  transform: translateY(-1px);
}

/* Callout */
.callout {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  border-radius: var(--radius2);
  border: 1px solid rgba(0, 255, 136, 0.18);
  background: linear-gradient(
    180deg,
    rgba(16, 16, 16, 0.58),
    rgba(10, 10, 10, 0.86)
  );
  padding: 22px;
  box-shadow: var(--shadow);
}

.callout__kicker {
  margin: 0 0 8px;
  color: rgba(0, 255, 136, 0.86);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

.callout__title {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.callout__text {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

.callout__actions {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  padding: 34px 0 44px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(10, 10, 10, 0.45);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer__text {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.footer__link {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 10px 12px;
  border-radius: 999px;
  transition:
    border-color 200ms ease,
    box-shadow 200ms ease,
    transform 200ms ease;
}

.footer__link:hover {
  border-color: rgba(0, 255, 136, 0.25);
  box-shadow: 0 0 0 6px rgba(0, 255, 136, 0.06);
  transform: translateY(-1px);
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 700ms ease, transform 700ms ease;
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Accessibility */
:focus-visible {
  outline: 2px solid rgba(0, 255, 136, 0.75);
  outline-offset: 2px;
  border-radius: 12px;
}

@media (max-width: 980px) {
  .hero__inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero__panel {
    max-width: 640px;
  }
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .callout {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 70px 0;
  }
  .hero {
    padding-top: 44px;
  }
  .nav__links {
    display: none;
  }
  .nav__burger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .grid--4,
  .grid--3 {
    grid-template-columns: 1fr;
  }
  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .bg__grid,
  .bg__dots,
  .caret {
    animation: none !important;
  }
  .btn,
  .card,
  .nav__link,
  .footer__link {
    transition: none !important;
  }
}