:root {
  --bg-900: #0f1215;
  --bg-800: #151a1f;
  --bg-700: #1b2228;
  --surface-800: #1e252c;
  --surface-700: #222a32;
  --surface-600: #2a333d;
  --text-100: #eef2f5;
  --text-300: #c9d1d9;
  --text-500: #9aa5b1;
  --accent-600: #2c6b8a;
  --accent-500: #2e7da3;
  --accent-400: #3a95bf;
  --focus: #9bd0ff;
  --ok: #30b37a;
  --warn: #d98b1a;
  --danger: #cc4b4b;
  --ring: 0 0 0 3px var(--focus);
}
 
*,
*::before,
*::after {
  box-sizing: border-box;
}
 
html {
  scroll-behavior: smooth;
}
 
body {
  margin: 0;
  background: linear-gradient(0deg, var(--bg-900), var(--bg-900));
}
 
img {
  max-width: 100%;
  display: block;
}

h1, h2, h3 {
  color: var(--text-100);
  line-height: 1.2;
  margin: 0 0 1rem;
}
 
p {
  margin: 0 0 1rem;
  color: var(--text-300);
}
 
ul {
  margin: 0;
  padding-left: 1.25rem;
}
 
.container {
  width: min(1120px, 92%);
  margin-inline: auto;
}
 
.skip-link {
  position: absolute;
  left: -9999px;
  top: -9999px;
}
 
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  background: var(--surface-700);
  color: var(--text-100);
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  box-shadow: var(--ring);
  z-index: 1000;
}
 
.section {
  padding: 4rem 0;
  scroll-margin-top: 5.5rem;
}
 
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(18, 22, 26, 0.92);
  backdrop-filter: saturate(120%) blur(6px);
  border-bottom: 1px solid #232a31;
}
 
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 1rem;
}
 
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
 
.brand-logo {
  width: 60px;
  height: auto;
  object-fit: contain;
  filter: saturate(0.1) brightness(1.4) contrast(1.2);
}
 
.brand-name {
  color: var(--text-100);
  font-weight: 700;
  letter-spacing: 0.2px;
}
 
.nav {
  display: flex;
}
 
.nav-list {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.emphasis{
  text-decoration-line: underline;
  text-decoration-style: double;
  text-decoration-skip-ink: none;
  text-underline-offset: 0.20em
}
 
.nav a {
  color: var(--text-300);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: medium;
}
 
.nav a:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
 
.nav a:hover {
  color: var(--text-100);
  background: var(--surface-700);
}
 
.nav-cta {
  margin-left: 0.5rem;
}
 
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 0.5rem;
  border-radius: 0.375rem;
}
 
.nav-toggle:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
 
.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-100);
  margin: 5px 0;
  border-radius: 1px;
}
 
.hero {
  padding: 5.5rem 0 4.5rem;
  background: radial-gradient(1200px 600px at 20% -10%, #1b232b 0%, rgba(27,35,43,0) 60%) no-repeat, radial-gradient(900px 500px at 85% -20%, #1d2831 0%, rgba(29,40,49,0) 55%) no-repeat, var(--bg-900);
}
 
.hero-inner {
  display: grid;
  align-items: center;
  min-height: 38vh;
}
 
.hero-copy h1 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  letter-spacing: 0.3px;
}
 
.subheadline {
  color: var(--text-500);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  max-width: 60ch;
}
 
.hero-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
 
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, color 120ms ease, border-color 120ms ease;
}
 
.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
 
.btn-primary {
  background: var(--accent-600);
  color: var(--text-300);
  border-color: transparent;
  font-weight: 800;
  font-size: x-large;
  padding: 20px;
  outline-color: transparent;
  box-shadow: 1px 1px 1px 1px inset var(--bg-800);
}
 
.btn-primary:hover {
  background: var(--accent-500);
}
 
.btn-secondary {
  background: transparent;
  color: var(--text-100);
  border-color: var(--surface-600);
}
 
.btn-secondary:hover {
  background: var(--surface-700);
}
 
.btn-tertiary {
  background: var(--accent-600);
  color: var(--text-100);
  border-color: var(--surface-700);
}
 
.btn-tertiary:hover {
  background: var(--accent-500);
}
 
.about .about-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: 1rem;
}
 
.card {
  background: var(--surface-700);
  border: 1px solid #2a333d;
  border-radius: 0.75rem;
  padding: 1rem;
}
 
.values li {
  color: var(--text-300);
  margin: 0.4rem 0;
}
 
.services .services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 1rem;
}
 
.service-card {
  background: var(--surface-700);
  border: 1px solid #2a333d;
  border-radius: 0.75rem;
  padding: 1rem;
  display: grid;
  align-content: start;
  gap: 0.75rem;
}
 
.faq .accordion {
  margin-top: 1rem;
  display: grid;
  gap: 0.5rem;
}
 
.accordion-item {
  border: 1px solid #2a333d;
  background: var(--surface-700);
  border-radius: 0.75rem;
  padding: 0.25rem 0.75rem;
}
 
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text-100);
  border: 0;
  padding: 0.9rem 0.25rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: 0.5rem;
}
 
.accordion-trigger:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}
 
.accordion-trigger::after {
  content: "+";
  font-family: "IBM Plex Mono", monospace;
  color: var(--text-500);
  margin-left: 1rem;
}
 
.accordion-trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--text-100);
}
 
.accordion-panel {
  padding: 0 0.25rem 0.9rem;
  color: var(--text-300);
}
 
.contact-intro {
  color: var(--text-500);
  margin-bottom: 1rem;
}
 
.form-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}
 
.form-field {
  display: grid;
  gap: 0.4rem;
}
 
.form-field-full {
  grid-column: 1 / -1;
}
 
label {
  color: var(--text-100);
  font-weight: 600;
}
 
input,
textarea {
  width: 100%;
  background: var(--surface-800);
  color: var(--text-100);
  border: 1px solid #2b343e;
  border-radius: 0.5rem;
  padding: 0.7rem 0.75rem;
  font: inherit;
}
 
input::placeholder,
textarea::placeholder {
  color: var(--text-500);
}
 
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-color: var(--focus);
}
 
.field-error {
  min-height: 1.25rem;
  color: var(--danger);
  font-size: 0.9rem;
}
 
.form-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.75rem;
}
 
.form-status {
  min-height: 1.5rem;
  font-weight: 600;
}
 
.form-status.ok {
  color: var(--ok);
}
 
.form-status.warn {
  color: var(--warn);
}
 
input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
}
 
.site-footer {
  background: var(--bg-800);
  border-top: 1px solid #232a31;
  padding: 2rem 0;
}
 
.footer-inner {
  display: grid;
  gap: 1rem;
}
 
.footer-brand {
  color: var(--text-100);
  font-weight: 700;
}
 
.footer-meta {
  color: var(--text-500);
}
 
.footer-legal p {
  color: var(--text-500);
  margin: 0.5rem 0 0;
}
 
@media (min-width: 720px) {
  .section {
    padding: 1rem 0;
  }
  .about .about-grid {
    grid-template-columns: 1.1fr 1fr;
    gap: 1rem;
  }
  .services .services-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}
 
@media (max-width: 880px) {
  .nav-toggle {
    display: inline-block;
  }
  .nav {
    position: absolute;
    inset: 72px 0 auto 0;
    background: rgba(18, 22, 26, 0.98);
    border-bottom: 1px solid #232a31;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
  }
  .nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.5rem 1rem 1rem;
  }
  .nav a {
    width: 100%;
  }
}