:root {
  color-scheme: light;
  --bg: #f5f2ea;
  --surface: #fcfbf7;
  --ink: #18212f;
  --muted: #65707b;
  --line: #d9d4c8;
  --accent: #174f63;
  --accent-strong: #0f3848;
  --shadow: 0 28px 80px rgb(24 33 47 / 13%);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 10% 0%, rgb(23 79 99 / 18%), transparent 31rem),
    linear-gradient(90deg, transparent calc(50% - 1px), rgb(24 33 47 / 4%) 50%, transparent calc(50% + 1px)),
    var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

body::before,
body::after {
  position: fixed;
  z-index: -1;
  width: 32rem;
  height: 32rem;
  border: 1px solid rgb(23 79 99 / 8%);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

body::before {
  top: -22rem;
  right: -7rem;
}

body::after {
  right: -21rem;
  bottom: -20rem;
}

a {
  color: inherit;
}

.page-shell {
  display: grid;
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  min-height: 100svh;
  margin: 0 auto;
  grid-template-rows: auto 1fr auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 28px rgb(23 79 99 / 23%);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.status-dot::after {
  position: absolute;
  inset: -5px;
  border: 1px solid rgb(23 79 99 / 35%);
  border-radius: inherit;
  content: "";
  animation: pulse 2.4s ease-out infinite;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: clamp(44px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 97px);
  min-height: calc(100svh - 97px);
  padding: 58px 0 78px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow,
.card-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 780px;
  margin: 20px 0 28px;
  font-size: clamp(3.6rem, 5.8vw, 5.3rem);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.075em;
}

h1 span {
  color: var(--accent);
}

.lead {
  max-width: 670px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 13px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 13px 32px rgb(23 79 99 / 20%);
  transition: background-color 160ms ease, transform 160ms ease;
}

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

.button:focus-visible,
.site-footer a:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgb(23 79 99 / 35%);
  outline-offset: 4px;
}

.contact-note {
  color: var(--muted);
  font-size: 0.88rem;
}

.build-card {
  position: relative;
  overflow: hidden;
  min-height: 470px;
  padding: 28px;
  border: 1px solid rgb(23 79 99 / 22%);
  border-radius: 30px;
  background:
    linear-gradient(rgb(255 255 255 / 82%), rgb(255 255 255 / 82%)),
    repeating-linear-gradient(0deg, transparent 0 31px, rgb(23 79 99 / 16%) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgb(23 79 99 / 16%) 31px 32px);
  box-shadow: var(--shadow);
}

.build-card::before {
  position: absolute;
  top: 86px;
  right: -100px;
  width: 290px;
  height: 290px;
  border: 1px solid rgb(23 79 99 / 13%);
  border-radius: 50%;
  box-shadow:
    0 0 0 38px rgb(23 79 99 / 3%),
    0 0 0 76px rgb(23 79 99 / 2%);
  content: "";
}

.card-header,
.card-footer {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.card-title {
  margin: 5px 0 0;
  font-weight: 800;
  letter-spacing: -0.025em;
}

.version {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
}

.system-map {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 270px;
  align-content: center;
  gap: 18px;
  padding: 28px 12px;
}

.map-line {
  position: absolute;
  top: 50%;
  left: 33px;
  width: 1px;
  height: 132px;
  background: var(--line);
  transform: translateY(-50%);
}

.map-node {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 15px;
  align-items: center;
  color: #90979d;
}

.map-node span {
  z-index: 1;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.7rem;
}

.map-node strong {
  font-size: 1.3rem;
  letter-spacing: -0.035em;
}

.map-node.active {
  color: var(--ink);
}

.map-node.active span {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.card-footer {
  align-items: flex-end;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.card-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.signal {
  display: flex;
  height: 25px;
  align-items: flex-end;
  gap: 4px;
}

.signal i {
  display: block;
  width: 4px;
  border-radius: 4px;
  background: var(--accent);
}

.signal i:nth-child(1) { height: 9px; }
.signal i:nth-child(2) { height: 17px; }
.signal i:nth-child(3) { height: 25px; }

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: start;
  padding: 110px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.contact-intro {
  position: sticky;
  top: 40px;
}

.contact-intro h2 {
  max-width: 440px;
  margin: 18px 0 22px;
  font-size: clamp(2.6rem, 4.4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.contact-intro > p:not(.eyebrow) {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.contact-form {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid rgb(23 79 99 / 18%);
  border-radius: 30px;
  background: rgb(255 255 255 / 78%);
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 18px;
}

.form-field,
.captcha-field {
  display: grid;
  gap: 8px;
}

.form-field-full {
  grid-column: 1 / -1;
}

.form-field label,
.captcha-label {
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
}

.form-field input,
.form-field select {
  min-height: 50px;
  padding: 10px 13px;
}

.form-field textarea {
  min-height: 145px;
  padding: 13px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--accent);
  outline: 3px solid rgb(23 79 99 / 14%);
  outline-offset: 0;
}

.honeypot-field {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.captcha-field {
  margin-top: 2px;
}

altcha-widget {
  display: block;
  width: 100%;
  min-height: 52px;
  --altcha-max-width: 100%;
  --altcha-color-base: #fcfbf7;
  --altcha-color-border: #d9d4c8;
  --altcha-color-text: #18212f;
  --altcha-color-border-focus: #174f63;
  --altcha-border-radius: 12px;
}

.consent-field {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 10px;
  align-items: start;
  color: var(--muted);
  font-size: 0.86rem;
}

.consent-field input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--accent);
}

.submit-button {
  margin-top: 28px;
  border: 0;
  cursor: pointer;
  font: inherit;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.55;
  transform: none;
}

.form-status {
  min-height: 1.6em;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-status[data-state="error"] {
  color: #9d312d;
}

.form-status[data-state="success"] {
  color: var(--accent);
  font-weight: 700;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer span:last-child {
  text-align: right;
}

@keyframes pulse {
  from { opacity: 0.7; transform: scale(0.5); }
  to { opacity: 0; transform: scale(1.35); }
}

@media (max-width: 880px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 40px;
  }

  .build-card {
    min-height: 420px;
  }

  .system-map {
    min-height: 220px;
  }

  .contact-section {
    grid-template-columns: 1fr;
    padding: 88px 0;
  }

  .contact-intro {
    position: static;
  }
}

@media (max-width: 580px) {
  .page-shell {
    width: min(100% - 30px, 1180px);
  }

  .site-header {
    align-items: flex-start;
    padding-top: 20px;
  }

  .status {
    max-width: 110px;
    justify-content: flex-end;
    text-align: right;
  }

  .hero {
    gap: 42px;
    padding: 36px 0 54px;
  }

  h1 {
    font-size: clamp(3.4rem, 17vw, 4.8rem);
  }

  .actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .build-card {
    min-height: 400px;
    padding: 23px;
    border-radius: 24px;
  }

  .contact-section {
    gap: 38px;
    padding: 72px 0;
  }

  .contact-form {
    padding: 23px;
    border-radius: 24px;
  }

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

  .form-field-full {
    grid-column: auto;
  }

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

  .site-footer span:last-child {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .status-dot::after { animation: none; }
  .button { transition: none; }
}