:root {
  --bg: #0a0f1f;
  --surface: #0f1528;
  --surface-2: #141b31;
  --text: #e7f0ff;
  --muted: #b7c4e0;
  --accent-1: #7f5af0;
  --accent-2: #2cb1ff;
  --focus: #8dd0ff;
  --danger: #ff6b6b;
  --radius: 14px;
  --maxw: 1180px;
  --shadow-1: 0 6px 24px rgba(0, 0, 0, .35);
  --shadow-2: 0 18px 48px rgba(0, 0, 0, .45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  line-height: 1.6;
  background:
    radial-gradient(1100px 600px at 20% -10%, rgba(127, 90, 240, .22), transparent 60%),
    radial-gradient(1000px 600px at 90% 0%, rgba(44, 177, 255, .18), transparent 65%),
    radial-gradient(1200px 700px at 50% 110%, rgba(127, 90, 240, .12), transparent 70%),
    linear-gradient(180deg, #0a0f1f 0%, #0a0f1f 100%);
}

h1,
h2,
h3 {
  line-height: 1.2;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  letter-spacing: .2px;
}

h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
}

h3 {
  font-size: clamp(1.1rem, 2.1vw, 1.35rem);
  color: #d9e6ff;
}

p {
  margin: 0 0 14px;
  color: var(--muted);
}

ul {
  margin: 0;
  padding: 0 0 0 18px;
}

li {
  margin: 8px 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 84px 0;
}

.center {
  text-align: center;
}

.surface {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.00));
  border: 1px solid rgba(200, 210, 230, .16);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(6px);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  background: #000;
  color: #fff;
  padding: 10px 14px;
  z-index: 10000;
  border-radius: 8px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}


.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 15, 31, .65);
  border-bottom: 1px solid rgba(200, 210, 230, .12);
  backdrop-filter: blur(10px);
}

.site-header.scrolled {
  box-shadow: 0 10px 26px rgba(0, 0, 0, .35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.brand-text {
  font-weight: 700;
  letter-spacing: .4px;
}

.logo {
  height: 60px;
  width: auto;
  display: block;
}

@media (min-width: 960px) {
  .logo {
    height: 60px;
  }
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 18px;
  margin: 0;
  padding: 0;
}

.nav a {
  color: #cfe0ff;
  text-decoration: none;
  font-weight: 600;
}

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

.lang-switch {
  display: flex;
  gap: 8px;
}

.lang-btn {
  background: transparent;
  color: #cfe0ff;
  border: 1px solid rgba(200, 210, 230, .3);
  border-radius: 999px;
  padding: 6px 12px;
  cursor: pointer;
  font-weight: 600;
}

.lang-btn.active,
.lang-btn:focus {
  border-color: var(--accent-2);
  color: var(--text);
  outline: none;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 10px;
  border-radius: 10px;
}

.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 4px 0;
  border-radius: 1px;
}

.nav-toggle:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}


.hero {
  position: relative;
  padding: 120px 0 96px;
}

.hero-inner {
  max-width: 960px;
}

.subhead {
  font-size: 1.06rem;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(650px 300px at 15% 25%, rgba(127, 90, 240, .22), transparent 60%),
    radial-gradient(700px 320px at 80% 10%, rgba(44, 177, 255, .18), transparent 65%),
    radial-gradient(900px 360px at 50% 90%, rgba(127, 90, 240, .1), transparent 70%),
    repeating-radial-gradient(circle at 20% 40%, rgba(255, 255, 255, .07) 0 1px, transparent 1px 8px);
  opacity: .9;
}


.btn {
  display: inline-block;
  text-decoration: none;
  padding: 12px 18px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform .15s ease, box-shadow .15s ease, background .2s ease, color .2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.btn-primary {
  color: #041229;
  background: linear-gradient(135deg, var(--accent-2), var(--accent-1));
  box-shadow: 0 10px 28px rgba(127, 90, 240, .3);
}

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

.btn-outline {
  color: var(--text);
  border: 1px solid rgba(200, 210, 230, .35);
  background: rgba(255, 255, 255, .02);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, .06);
}

.link-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 700;
}

.link-cta:hover {
  color: #a8d9ff;
}

.grid-2 {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .grid-2 {
    grid-template-columns: 1.15fr .85fr;
    align-items: start;
  }
}

.values {
  list-style: none;
  padding: 0;
}

.values li {
  padding: 10px 12px;
  margin: 10px 0;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid rgba(200, 210, 230, .12);
}


.services-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  margin-top: 14px;
}

@media (min-width: 680px) {
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.service-card {
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.00));
  border: 1px solid rgba(200, 210, 230, .16);
  box-shadow: var(--shadow-1);
}


.accordion-item {
  border-bottom: 1px solid rgba(200, 210, 230, .14);
}

.accordion-trigger {
  width: 100%;
  text-align: left;
  padding: 16px 0;
  background: none;
  border: none;
  color: var(--text);
  font: inherit;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.accordion-trigger:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
  border-radius: 6px;
}

.accordion-trigger::after {
  content: "+";
  color: var(--accent-2);
  font-weight: 700;
  margin-left: 12px;
}

.accordion-trigger[aria-expanded="true"]::after {
  content: "–";
}

.accordion-panel {
  padding: 0 0 14px;
  color: var(--muted);
}


.contact-points {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}

.contact-points li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.contact-form {
  padding: 18px;
}

.field {
  margin-bottom: 14px;
}

label {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--text);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid rgba(200, 210, 230, .18);
}

input::placeholder,
textarea::placeholder {
  color: #97a7c3;
}

input:focus,
textarea:focus {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-color: var(--danger);
}

.error {
  display: block;
  min-height: 18px;
  color: var(--danger);
  font-size: .9rem;
  margin-top: 6px;
}

.form-status {
  margin-top: 12px;
  font-weight: 700;
}


.site-footer {
  border-top: 1px solid rgba(200, 210, 230, .12);
  padding: 32px 0 44px;
  background: rgba(4, 8, 20, .35);
}

.footer-inner {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

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

@media (min-width: 760px) {
  .footer-inner {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
}

.disclaimer {
  color: var(--muted);
  font-size: .95rem;
}

.card {
  padding: 18px;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}


[data-lang] {
  display: none;
}

html[lang="en"] [data-lang="en"] {
  display: inline;
}

html[lang="fr"] [data-lang="fr"] {
  display: inline;
}


#home,
#about,
#services,
#faq,
#contact {
  scroll-margin-top: 96px;
}


@media (max-width: 900px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav {
    position: absolute;
    right: 12px;
    top: 72px;
    width: min(92vw, 420px);
    display: none;
    flex-direction: column;
    gap: 14px;
    padding: 12px;
    background: rgba(16, 22, 40, .98);
    border: 1px solid rgba(200, 210, 230, .18);
    border-radius: 14px;
    box-shadow: var(--shadow-2);
  }

  .nav.open {
    display: flex;
  }

  .nav ul {
    flex-direction: column;
    gap: 10px;
  }
}