:root {
  --bg: #06111d;
  --surface: rgba(11, 22, 37, 0.72);
  --surface-strong: rgba(13, 27, 45, 0.9);
  --ink: #ecf6ff;
  --muted: #91a7bf;
  --line: rgba(139, 233, 253, 0.14);
  --accent: #59b2ff;
  --accent-deep: #4be0c8;
  --accent-soft: rgba(89, 178, 255, 0.18);
  --shadow: 0 24px 80px rgba(0, 8, 18, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Source Sans 3", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(75, 224, 200, 0.14), transparent 24%),
    radial-gradient(circle at 80% 10%, rgba(89, 178, 255, 0.16), transparent 26%),
    linear-gradient(180deg, #07111d 0%, #081525 38%, #050c15 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.site-header,
.hero,
.feature-card,
.split-section,
.accent-section,
.contact-card,
.site-footer {
  backdrop-filter: blur(12px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 24px;
  margin-bottom: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand,
.site-nav a,
.eyebrow,
h1,
h2,
h3,
.button {
  font-family: "Space Grotesk", sans-serif;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  text-decoration: none;
}

.brand-mark {
  width: 84px;
  max-width: 84px;
  height: auto;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-text strong {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}

.brand-text span {
  color: var(--muted);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.1;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 500;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(320px, 1fr);
  gap: 24px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(13, 27, 45, 0.92), rgba(8, 19, 34, 0.8)),
    linear-gradient(90deg, rgba(89, 178, 255, 0.08), transparent 45%);
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

p.eyebrow {
  color: var(--accent-deep);
}

.contact-card .eyebrow {
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 28ch;
  margin-bottom: 16px;
  font-size: clamp(1.35rem, 2.5vw, 2.25rem);
  line-height: 1.05;
}

h2 {
  max-width: 28ch;
  margin-bottom: 12px;
  font-size: clamp(1.65rem, 2.6vw, 2.35rem);
  line-height: 1.08;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.lead,
.body-copy,
.support-points p,
.stack-item p,
.feature-card p,
.contact-card p,
.site-footer p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.62;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-copy {
  max-width: 820px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #04111d;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  box-shadow: 0 12px 30px rgba(75, 224, 200, 0.18);
  border: 1px solid rgba(147, 245, 223, 0.35);
}

.button-secondary {
  border: 1px solid rgba(139, 233, 253, 0.18);
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel {
  display: grid;
  gap: 16px;
  align-content: end;
}

.signal-card,
.feature-card,
.stack-item,
.contact-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
}

.signal-card {
  background:
    linear-gradient(180deg, rgba(11, 27, 46, 0.96), rgba(8, 20, 34, 0.86));
}

.signal-card span {
  display: block;
  margin-bottom: 8px;
  color: #93f5df;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-card strong {
  font-size: 1.08rem;
  line-height: 1.4;
}

.section {
  padding: 76px 0 0;
}

.hero + .section {
  margin-top: 28px;
}

.section + .section {
  margin-top: 28px;
}

.card-section {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(8, 19, 34, 0.8);
  box-shadow: var(--shadow);
}

.card-section + .section {
  padding-top: 0;
}

.section-heading {
  margin-bottom: 28px;
}

.page-intro {
  padding-top: 18px;
  padding-bottom: 18px;
}

.page-intro .section-heading {
  margin-bottom: 0;
}

.form-section {
  padding-top: 24px;
}

.page-title {
  max-width: 28ch;
}

.section-actions {
  display: flex;
  margin-top: 22px;
}

.grid.three-up {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 100%;
  box-shadow: 0 18px 50px rgba(31, 31, 39, 0.07);
  position: relative;
  overflow: hidden;
}

.feature-link-card {
  display: block;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-link-card:hover {
  transform: translateY(-2px);
  border-color: rgba(75, 224, 200, 0.28);
  box-shadow: 0 24px 60px rgba(0, 8, 18, 0.3);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent), transparent);
}


.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: 20px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(8, 19, 34, 0.8);
}

.stacked-list {
  display: grid;
  gap: 14px;
}

.accent-section {
  padding: 34px;
  border: 1px solid rgba(75, 224, 200, 0.14);
  border-radius: 34px;
  background:
    linear-gradient(135deg, rgba(75, 224, 200, 0.08), rgba(255, 255, 255, 0.02)),
    var(--surface);
}

.narrow {
  max-width: 760px;
}

.support-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 26px;
}

.support-points strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.98rem;
}

.contact-section {
  padding-top: 0;
  padding-bottom: 12px;
}

.section + .contact-section {
  margin-top: 20px;
}

.contact-card {
  max-width: 760px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.contact-layout {
  display: block;
}

.single-column {
  grid-template-columns: 1fr;
  margin-top: 0;
}

.form-shell {
  max-width: 860px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(8, 19, 34, 0.88);
  box-shadow: var(--shadow);
}

.contact-form {
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 9px;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 500;
}

.field span {
  color: #cde5fb;
  font-size: 0.95rem;
}

.field small {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
  margin-left: 6px;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(139, 233, 253, 0.16);
  border-radius: 16px;
  padding: 14px 16px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
}

.field textarea {
  min-height: 190px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid rgba(75, 224, 200, 0.25);
  outline-offset: 0;
  border-color: rgba(75, 224, 200, 0.55);
}

.form-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

#contact-submit {
  min-width: 168px;
  padding: 0 28px;
  letter-spacing: 0.02em;
  box-shadow: 0 16px 40px rgba(75, 224, 200, 0.22);
}

#contact-submit:not([disabled]):hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 46px rgba(75, 224, 200, 0.28);
}

.form-alert {
  margin-bottom: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  font-size: 1rem;
  line-height: 1.6;
}

.form-alert p {
  margin-bottom: 8px;
}

.form-alert-success {
  background: rgba(75, 224, 200, 0.12);
  border-color: rgba(75, 224, 200, 0.28);
}

.form-alert-error {
  background: rgba(255, 92, 92, 0.1);
  border-color: rgba(255, 92, 92, 0.28);
}

.form-alert-warning {
  background: rgba(89, 178, 255, 0.12);
  border-color: rgba(89, 178, 255, 0.28);
}

.form-error-list {
  margin: 0;
  padding-left: 18px;
  color: #ffd4d4;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.form-reset-link {
  margin-top: 10px;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 8px 0;
}

.site-footer p {
  margin-bottom: 0;
}

.footer-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--ink);
}

.simple-content {
  max-width: 860px;
}

.simple-content h2 + p,
.simple-content p + p {
  margin-top: 0;
  margin-bottom: 16px;
}

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

.link-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface-strong);
}

.link-panel-title {
  display: inline-block;
  margin-bottom: 10px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.link-panel-card {
  display: block;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.link-panel-card:hover {
  transform: translateY(-2px);
  border-color: rgba(75, 224, 200, 0.28);
  box-shadow: 0 24px 60px rgba(0, 8, 18, 0.3);
}

@media (max-width: 920px) {
  .hero,
  .split-section,
  .grid.three-up,
  .contact-layout,
  .form-grid,
  .support-points,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .hero,
  .split-section,
  .accent-section,
  .contact-card,
  .form-shell {
    padding: 26px;
  }

  h1 {
    max-width: none;
  }

  .contact-panel {
    position: static;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 12px;
  }

  .site-header {
    padding: 16px 18px;
    border-radius: 18px;
  }

  .brand-mark {
    max-width: 72px;
  }

  .brand-text {
    gap: 2px;
  }

  .site-nav {
    gap: 12px 16px;
  }

  .hero {
    padding: 22px;
    border-radius: 26px;
  }

  .button {
    width: 100%;
  }

  .contact-card,
  .form-shell {
    padding: 24px;
  }

  .form-footer {
    align-items: stretch;
  }
}