:root {
  --bg: #0b0c0a;
  --bg-deep: #090a08;
  --bg-soft: #10120d;
  --surface: #14170f;
  --line: #2a2f23;
  --line-strong: #3c4332;
  --text: #f2f4ec;
  --muted: #a7ae9d;
  --muted-dim: #6e7567;
  --accent: #c9ff3f;
  --accent-bright: #d8ff74;
  --dark: #0a0b09;
  --radius: 18px;
  --shell: 1240px;
  --font-head: "Unbounded", "Arial Black", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Cascadia Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--accent);
  color: var(--dark);
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.shell {
  width: 100%;
  max-width: calc(var(--shell) + 96px);
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 48px);
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 12px 18px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--dark);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 12, 10, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(11, 12, 10, 0.94);
  border-bottom-color: var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--accent);
  background: rgba(201, 255, 63, 0.06);
}

.brand__mark svg {
  width: 19px;
  height: 19px;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  padding-block: 8px;
  transition: color 0.18s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}

.site-nav a:hover {
  color: var(--text);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.nav-toggle__lines {
  display: grid;
  gap: 6px;
  width: 18px;
}

.nav-toggle__lines span {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .nav-toggle__lines span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.site-header.is-open .nav-toggle__lines span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(52px, 7vw, 96px) clamp(52px, 7vw, 92px);
  background: var(--bg);
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(60, 67, 50, 0.35) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(60, 67, 50, 0.35) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
  mask-image: radial-gradient(ellipse 90% 75% at 50% 0%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 75% at 50% 0%, #000 25%, transparent 78%);
  pointer-events: none;
}

.hero__glow {
  position: absolute;
  top: -32vw;
  right: -18vw;
  width: 62vw;
  height: 62vw;
  background: radial-gradient(circle, rgba(201, 255, 63, 0.17), transparent 62%);
  filter: blur(28px);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(201, 255, 63, 0.8);
}

.hero__title {
  margin: 20px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(2.3rem, 5.1vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

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

.hero__lead {
  max-width: 56ch;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 0.55vw + 0.88rem, 1.15rem);
  line-height: 1.65;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn--accent {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--dark);
}

.btn--accent:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(201, 255, 63, 0.06);
  transform: translateY(-2px);
}

.btn--dark {
  background: var(--dark);
  color: var(--text);
}

.btn--dark:hover {
  transform: translateY(-2px);
  background: #15180f;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 46px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.hero__stats li {
  min-width: 0;
  padding-right: 18px;
}

.hero__stats li + li {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.hero__stats strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

.hero__stats span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

/* Client panel mock */

.client {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(165deg, #151910, #0d0f0a 70%);
  box-shadow:
    0 34px 90px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.client::before {
  content: "";
  position: absolute;
  top: 0;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.65;
}

.client__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.client__name {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.client__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(201, 255, 63, 0.9);
}

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

.client__rows {
  padding: 6px 18px;
}

.client__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
  border-bottom: 1px solid rgba(42, 47, 35, 0.55);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: -0.01em;
}

.client__row:last-child {
  border-bottom: 0;
}

.client__label {
  color: #dde3d3;
}

.switch {
  position: relative;
  flex: none;
  width: 34px;
  height: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #22271c;
}

.switch::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #7c8474;
  transition: transform 0.2s ease, background 0.2s ease;
}

.switch--on {
  border-color: rgba(201, 255, 63, 0.5);
  background: rgba(201, 255, 63, 0.16);
  box-shadow: 0 0 14px rgba(201, 255, 63, 0.25);
}

.switch--on::after {
  background: var(--accent);
  transform: translateX(16px);
}

.client__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
}

/* Features */

.features {
  padding-block: clamp(72px, 9vw, 128px);
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
  gap: clamp(24px, 4vw, 56px);
  align-items: end;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.section-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.9rem, 3.5vw, 3.15rem);
  line-height: 1.07;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-lead {
  margin: 0 0 6px;
  max-width: 44ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.feature {
  position: relative;
  display: flex;
  flex-direction: column;
  grid-column: span 3;
  min-height: 216px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0));
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

@media (hover: hover) {
  .feature:hover {
    border-color: var(--line-strong);
    background: rgba(201, 255, 63, 0.035);
    transform: translateY(-3px);
  }
}

.feature--wide {
  grid-column: span 6;
  min-height: 256px;
}

.feature--half {
  grid-column: span 6;
}

.feature--bar {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  grid-column: span 12;
  min-height: 0;
  padding: 24px 28px;
}

.feature__num {
  position: absolute;
  top: 20px;
  right: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted-dim);
}

.feature__icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: rgba(201, 255, 63, 0.06);
  color: var(--accent);
}

.feature__icon svg {
  width: 22px;
  height: 22px;
}

.feature--bar .feature__icon {
  flex: none;
  margin-bottom: 0;
}

.feature__body {
  min-width: 0;
}

.feature__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 17px;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.feature__text {
  margin: 0;
  max-width: 42ch;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}

.feature--bar .feature__title {
  margin-bottom: 6px;
}

.feature--wide .feature__text {
  max-width: 32ch;
}

.feature__watermark {
  position: absolute;
  right: -14px;
  bottom: -34px;
  width: 210px;
  height: 210px;
  color: var(--accent);
  opacity: 0.07;
  pointer-events: none;
}

.feature__watermark svg {
  width: 100%;
  height: 100%;
}

/* Why */

.why {
  padding-block: clamp(72px, 9vw, 128px);
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
}

.why__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}

.why__head {
  position: sticky;
  top: 110px;
}

.why__head .section-lead {
  margin-top: 22px;
}

.why__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.why__item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 18px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line);
}

.why__num {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.why__title {
  margin: 0 0 9px;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.why__text {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

/* Outro */

.outro {
  padding-block: clamp(64px, 8vw, 116px);
  background-color: var(--accent);
  background-image: radial-gradient(rgba(10, 11, 9, 0.16) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--dark);
}

.outro__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(10, 11, 9, 0.72);
}

.outro__title {
  margin: 20px 0 22px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(2.5rem, 6.6vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  color: var(--dark);
  text-wrap: balance;
}

.outro__text {
  margin: 0 0 36px;
  max-width: 44ch;
  color: rgba(10, 11, 9, 0.78);
  font-size: clamp(1.05rem, 1.2vw, 1.3rem);
  font-weight: 600;
  line-height: 1.5;
}

/* Footer */

.site-footer {
  padding-block: 46px;
  background: var(--bg);
  color: var(--muted);
  font-size: 13px;
}

.site-footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
}

.brand--footer {
  font-size: 16px;
}

.brand--footer .brand__mark {
  width: 32px;
  height: 32px;
}

.brand--footer .brand__mark svg {
  width: 17px;
  height: 17px;
}

.site-footer__note {
  max-width: 34ch;
  margin: 14px 0 0;
  line-height: 1.6;
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 24px;
  padding-top: 6px;
}

.site-footer__meta a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-footer__meta a:hover {
  color: var(--accent);
}

.site-footer__copy {
  color: var(--muted-dim);
}

.site-footer__platform {
  flex-basis: 100%;
  text-align: right;
  color: var(--muted);
}

.site-footer__platform a {
  color: inherit;
}

/* Responsive */

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 44px;
  }

  .client {
    max-width: 560px;
  }

  .feature,
  .feature--half,
  .feature--wide {
    grid-column: span 6;
  }

  .feature--bar {
    grid-column: span 12;
  }

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

  .why__head {
    position: static;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 8px clamp(20px, 4vw, 48px) 22px;
    background: rgba(11, 12, 10, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .site-header.is-open .site-nav {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav a {
    display: block;
    padding-block: 15px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav li:last-child a {
    border-bottom: 0;
  }

  .site-footer__inner {
    flex-direction: column;
  }

  .site-footer__meta {
    justify-content: flex-start;
    padding-top: 0;
  }

  .site-footer__platform {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-block: 40px 56px;
  }

  .hero__stats {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding-top: 18px;
  }

  .hero__stats li,
  .hero__stats li + li {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 0;
    border-left: 0;
  }

  .hero__stats strong {
    margin-bottom: 0;
    font-size: 14px;
  }

  .hero__stats span {
    text-align: right;
  }

  .hero__actions .btn {
    flex: 1 1 100%;
  }

  .section-head {
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }

  .feature,
  .feature--half,
  .feature--wide,
  .feature--bar {
    grid-column: span 12;
  }

  .feature--bar {
    flex-wrap: wrap;
    gap: 18px;
  }


  .why__item {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

}