:root {
  color-scheme: dark;
  --bg: #06080b;
  --bg-soft: #0e141b;
  --surface: #0e141b;
  --surface-strong: #151d26;
  --line: rgba(127, 231, 227, 0.13);
  --line-strong: rgba(183, 196, 207, 0.18);
  --text: #ffffff;
  --text-primary: #b7c4cf;
  --muted: #6e7b87;
  --muted-strong: #8b98a4;
  --accent: #7fe7e3;
  --accent-2: #4ccbc5;
  --steel: #87abc4;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --max-width: 1180px;
  --radius: 8px;
  --font-heading: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  background:
    radial-gradient(circle at 28% 10%, rgba(127, 231, 227, 0.08), transparent 32rem),
    linear-gradient(180deg, rgba(7, 12, 20, 0.96) 0%, rgba(6, 8, 11, 0.98) 48%, #06080b 100%),
    repeating-linear-gradient(90deg, rgba(183, 196, 207, 0.028) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(183, 196, 207, 0.022) 0 1px, transparent 1px 96px),
    #06080b;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 82% 8%, rgba(127, 231, 227, 0.09), transparent 28rem),
    linear-gradient(112deg, transparent 0%, rgba(111, 164, 200, 0.05) 40%, transparent 68%);
  opacity: 0.9;
}

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

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

::selection {
  color: #061113;
  background: var(--accent);
}

.skip-link {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  padding: 10px 14px;
  color: #061113;
  background: var(--accent);
  border-radius: var(--radius);
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

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

.site-shell {
  width: min(calc(100% - 48px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 84px;
  border-bottom: 1px solid rgba(183, 196, 207, 0.08);
}

.brand,
.nav-links,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 11px;
  color: var(--text);
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.brand-mark {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 0 18px rgba(127, 231, 227, 0.18));
}

.nav-links,
.site-footer nav {
  gap: 22px;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 600;
}

.nav-links a,
.site-footer a {
  transition: color 180ms ease;
}

.nav-links a:hover,
.site-footer a:hover,
.nav-links a:focus-visible,
.site-footer a:focus-visible {
  color: var(--accent);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(390px, 1.1fr);
  gap: 72px;
  align-items: center;
  min-height: 680px;
  padding: 64px 0 70px;
}

.hero-copy {
  min-width: 0;
  max-width: 620px;
  animation: rise-in 700ms ease both;
}

.hero-logo {
  width: 100%;
  max-width: 430px;
  height: auto;
  filter:
    drop-shadow(0 0 14px rgba(127, 231, 227, 0.18))
    drop-shadow(0 18px 50px rgba(0, 0, 0, 0.42));
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 28px 0 18px;
  padding: 7px 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;
  border: 1px solid rgba(127, 231, 227, 0.22);
  border-radius: 999px;
  background: rgba(14, 20, 27, 0.7);
}

.status-badge::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px rgba(127, 231, 227, 0.45);
  content: "";
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--text);
  font-family: var(--font-heading);
  line-height: 1.02;
}

h1 {
  max-width: 640px;
  font-size: 44px;
  font-weight: 650;
  letter-spacing: 0;
  line-height: 1.06;
}

.hero-description {
  max-width: 590px;
  margin: 20px 0 0;
  color: #d7dee6;
  font-size: 18px;
}

.hero-note {
  max-width: 520px;
  margin: 14px 0 0;
  color: var(--muted-strong);
  font-size: 16px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 132px;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.button svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-linejoin: miter;
  stroke-width: 1.8;
}

.button-primary {
  color: #031316;
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 34px rgba(127, 231, 227, 0.16);
}

.button-secondary {
  color: var(--text);
  background: rgba(21, 29, 38, 0.72);
  border-color: rgba(183, 196, 207, 0.16);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(127, 231, 227, 0.4);
  box-shadow: 0 0 28px rgba(127, 231, 227, 0.08);
}

.hero-visual {
  position: relative;
  min-width: 0;
  min-height: 480px;
  padding: 42px 42px 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(21, 29, 38, 0.84), rgba(6, 8, 11, 0.78)),
    var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  animation: rise-in 820ms 110ms ease both;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
}

.hero-visual::before {
  background:
    linear-gradient(90deg, rgba(127, 231, 227, 0.1) 0 1px, transparent 1px 100%),
    linear-gradient(0deg, rgba(183, 196, 207, 0.065) 0 1px, transparent 1px 100%);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 90%);
}

.hero-visual::after {
  border: 1px solid rgba(127, 231, 227, 0.08);
  box-shadow: inset 0 0 70px rgba(127, 231, 227, 0.06);
}

.visual-copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 540px;
  padding-left: 28px;
  border-left: 1px solid rgba(183, 196, 207, 0.22);
}

.visual-copy h2 {
  max-width: 500px;
  font-size: 34px;
}

.visual-copy p:last-child {
  max-width: 500px;
  margin: 18px 0 0;
  color: #d7dee6;
  font-size: 17px;
}

.hero-visual img {
  position: absolute;
  right: 4%;
  bottom: 0;
  width: 82%;
  height: 62%;
  object-fit: contain;
  object-position: right bottom;
  filter: drop-shadow(0 0 22px rgba(127, 231, 227, 0.16));
}

.section {
  padding: 72px 0;
  border-top: 1px solid rgba(183, 196, 207, 0.08);
}

.section-heading {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 32px;
  align-items: end;
  margin-bottom: 32px;
}

.section-intro {
  max-width: 690px;
  margin: 18px 0 0;
  color: var(--muted-strong);
  font-size: 18px;
}

h2 {
  max-width: 720px;
  font-size: 44px;
  font-weight: 650;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: rgba(183, 196, 207, 0.1);
  border: 1px solid rgba(183, 196, 207, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
}

.feature-card {
  min-height: 250px;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(21, 29, 38, 0.78), rgba(14, 20, 27, 0.92)),
    var(--surface);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.feature-card:hover {
  background:
    linear-gradient(180deg, rgba(22, 37, 47, 0.9), rgba(14, 20, 27, 0.95)),
    var(--surface);
}

.feature-index {
  display: inline-block;
  margin-bottom: 54px;
  color: var(--steel);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 650;
}

.feature-card p {
  margin: 14px 0 0;
  color: var(--muted-strong);
  font-size: 15px;
}

.urban {
  padding-top: 78px;
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 34px;
  padding: 0;
  list-style: none;
  background: rgba(183, 196, 207, 0.1);
  border: 1px solid rgba(183, 196, 207, 0.1);
  border-radius: var(--radius);
  overflow: hidden;
}

.vision-grid li {
  min-height: 138px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(21, 29, 38, 0.68), rgba(14, 20, 27, 0.9)),
    var(--surface);
}

.vision-grid span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--accent);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
}

.vision-grid p {
  max-width: 310px;
  margin: 0;
  color: var(--text-primary);
  font-size: 16px;
}

.status {
  display: grid;
  grid-template-columns: 0.36fr 1fr;
  gap: 32px;
  align-items: start;
  padding-bottom: 88px;
}

.status p:last-child {
  max-width: 690px;
  margin: 6px 0 0;
  color: var(--text-primary);
  font-size: 20px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 92px;
  color: var(--muted);
  border-top: 1px solid rgba(183, 196, 207, 0.08);
}

.site-footer p {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 42px;
    min-height: auto;
    padding: 64px 0;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
  }

  .hero-logo {
    width: 360px;
    max-width: 100%;
  }

  .hero-visual {
    width: 100%;
    max-width: 100%;
    min-height: 470px;
  }

  .section-heading,
  .status {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .hero-copy,
  .hero-visual,
  .section-heading,
  .status,
  .feature-grid {
    width: 100%;
    max-width: 100%;
  }

  .hero-copy {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
  }

  .site-header {
    min-height: 74px;
  }

  .nav-links {
    display: none;
  }

  .hero-description {
    max-width: min(100%, 340px);
    font-size: 16px;
  }

  .hero-note {
    max-width: min(100%, 340px);
  }

  h1 {
    max-width: min(100%, 360px);
    font-size: 34px;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero {
    display: block;
    padding: 50px 0 58px;
  }

  .hero-visual {
    margin-top: 42px;
    min-height: 430px;
    padding: 30px 28px;
  }

  .visual-copy {
    padding-left: 20px;
  }

  .visual-copy h2 {
    max-width: min(100%, 280px);
    font-size: 26px;
  }

  .visual-copy p:last-child {
    max-width: min(100%, 280px);
  }

  .section-heading h2 {
    max-width: calc(100vw - 32px);
  }

  .section-intro {
    font-size: 16px;
  }

  .section {
    padding: 56px 0;
  }

  h2 {
    font-size: 32px;
  }

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

  .feature-card {
    min-height: 216px;
  }

  .feature-index {
    margin-bottom: 38px;
  }

  .status {
    padding-bottom: 64px;
  }

  .status p:last-child {
    font-size: 17px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    min-height: 128px;
  }
}

@media (max-width: 440px) {
  .site-shell {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .brand {
    font-size: 16px;
  }

  h1 {
    max-width: min(100%, 340px);
    font-size: 30px;
  }

  .hero-description {
    max-width: min(100%, 330px);
  }

  .hero-note {
    max-width: min(100%, 330px);
  }

  .hero-logo {
    width: 300px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 390px;
  }

  .feature-card {
    padding: 24px;
  }

  .site-footer nav {
    flex-wrap: wrap;
    gap: 16px;
  }
}

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

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