/* Self-hosted fonts (SIL Open Font License), so visitors' browsers never contact Google Fonts */
@font-face {
  font-family: 'Exo 2';
  font-style: normal;
  font-weight: 500 800;
  font-display: swap;
  src: url('../assets/fonts/exo2-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../assets/fonts/inter-latin.woff2') format('woff2');
}

:root {
  --bg: #050B18;
  --bg-alt: #081120;
  --surface: #0B1426;
  --surface-2: #0F1B33;
  --border: #16243D;
  --border-strong: #22385E;
  --text: #F5F8FF;
  --muted: #8A9BB8;
  --accent: #2E9BFF;
  --accent-1: #0A84FF;
  --accent-2: #1E5BFF;
  /* Gradient starts darker than --accent-1 so white button text stays above 4.5:1 (WCAG AA) */
  --btn-start: #0A6EE0;
  --gradient: linear-gradient(135deg, var(--btn-start), var(--accent-2));
  /* Form control edges need 3:1 against the background (WCAG 1.4.11) */
  --input-border: #4F6A99;
  --danger: #FF6B7A;
  --success: #3DDC97;

  --font-head: 'Exo 2', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius: 14px;
  --container: 1160px;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 .5em;
}

h2 { font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 700; letter-spacing: .01em; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}
main:focus { outline: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

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

.skip-link {
  position: absolute;
  left: 16px; top: -48px;
  z-index: 100;
  padding: 8px 14px;
  background: var(--accent-2);
  color: #fff;
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border: 0;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 8px 24px -10px rgba(30, 91, 255, .7);
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 12px 28px -10px rgba(30, 91, 255, .9); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--accent); }

.btn-small { padding: 9px 16px; font-size: .85rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(5, 11, 24, .72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.scrolled { border-bottom-color: var(--border); background: rgba(5, 11, 24, .9); }

.nav {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand img { width: 40px; }

.brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: .12em;
  line-height: 1.05;
  text-transform: uppercase;
}
.brand-text span {
  color: var(--accent);
  font-weight: 500;
  font-size: .6rem;
  letter-spacing: .42em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a:not(.btn) {
  color: var(--muted);
  font-family: var(--font-head);
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .9rem;
}
.nav-links a:not(.btn):hover { color: var(--text); text-decoration: none; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 10px;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 12vw, 140px) 0 clamp(80px, 12vw, 150px);
  text-align: center;
}
.hero-glow {
  position: absolute;
  inset: -20% -10% auto;
  height: 120%;
  background:
    radial-gradient(ellipse 50% 40% at 50% 35%, rgba(30, 91, 255, .22), transparent 70%),
    radial-gradient(ellipse 30% 25% at 30% 30%, rgba(10, 132, 255, .12), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 155, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 155, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, #000 20%, transparent 75%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; }
.hero-title { margin: 0; }

.hero-logo {
  width: min(720px, 100%);
  margin: 0 auto;
  animation: rise .9s ease-out both;
}

.tagline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 32px auto 0;
  color: #C9D6EE;
  font-size: .78rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  animation: rise .9s .15s ease-out both;
}
.tagline::before, .tagline::after {
  content: '';
  flex: 0 1 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent));
}
.tagline::after { background: linear-gradient(90deg, var(--accent), transparent); }
.tagline i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  flex: none;
}

.hero-lead {
  margin: 48px auto 12px;
  max-width: 720px;
  font-family: var(--font-head);
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  font-weight: 600;
  line-height: 1.25;
  animation: rise .9s .3s ease-out both;
}
.hero-sub {
  margin: 0 auto;
  max-width: 600px;
  color: var(--muted);
  font-size: 1.125rem;
  animation: rise .9s .4s ease-out both;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 36px;
  animation: rise .9s .5s ease-out both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 120px) 0; }
.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head p:last-child { color: var(--muted); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: '';
  width: 28px; height: 1px;
  background: var(--accent);
}

/* ---------- Service cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.card {
  position: relative;
  padding: 30px 26px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease;
}
.card::before {
  content: '';
  position: absolute;
  top: -1px; left: 26px; right: 26px;
  height: 2px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity .2s ease;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card:hover::before { opacity: 1; }

.card-icon {
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  margin-bottom: 20px;
  border-radius: 12px;
  background: rgba(30, 91, 255, .12);
  border: 1px solid rgba(46, 155, 255, .25);
}
.card-icon svg {
  width: 24px; height: 24px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card p { color: var(--muted); font-size: 1rem; }
.card ul {
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--border);
}
.card li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 6px;
  font-size: .95rem;
  color: #C9D6EE;
}
.card li::before {
  content: '';
  position: absolute;
  left: 0; top: .68em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Fit grid ---------- */
.fit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.fit {
  padding: 28px 26px;
  border-left: 2px solid var(--accent-2);
  background: linear-gradient(90deg, rgba(30, 91, 255, .08), transparent 70%);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.fit-num {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .15em;
}
.fit p { margin: 0; color: var(--muted); font-size: 1rem; }

/* ---------- About ---------- */
.about {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.about-copy p:not(.eyebrow) { color: #C9D6EE; }
.about-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.about-points li {
  display: flex;
  flex-direction: column;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.about-points strong {
  font-family: var(--font-head);
  font-size: 1.05rem;
  letter-spacing: .04em;
}
.about-points span { color: var(--muted); font-size: .95rem; }

/* ---------- Contact ---------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.contact-info > p:not(.eyebrow) { color: var(--muted); }

.contact-details { margin: 32px 0 0; display: grid; gap: 18px; }
.contact-details dt {
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.contact-details dd { margin: 2px 0 0; font-size: 1.05rem; }

.contact-form {
  padding: clamp(24px, 4vw, 36px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field {
  display: block;
  margin-bottom: 18px;
}
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: .9rem;
  font-weight: 500;
}
.field .optional { color: var(--muted); font-weight: 400; }
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--input-border);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 155, 255, .2);
}
.field.has-error input, .field.has-error textarea { border-color: var(--danger); border-width: 2px; }
.field-error {
  margin: 6px 0 0;
  color: var(--danger);
  font-size: .875rem;
}
.field-error::before { content: '\26A0\FE0E  '; }
.field-error[hidden] { display: none; }

.form-note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: .875rem;
}
.form-legal {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.55;
}
.form-legal a { text-decoration: underline; }

.hp {
  position: absolute;
  left: -10000px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.captcha { margin-bottom: 18px; min-height: 78px; }
.captcha[hidden] { display: none; }

.form-status {
  margin: 14px 0 0;
  min-height: 1.5em;
  font-size: .95rem;
}
.form-status.is-success { color: var(--success); }
.form-status.is-error { color: var(--danger); }

/* ---------- Footer ---------- */
.site-footer {
  padding: 36px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-footer .brand img { width: 32px; }
.site-footer p { margin: 0; color: var(--muted); font-size: .9rem; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.footer-links a {
  display: inline-block;
  padding: 4px 0;
  color: var(--muted);
  font-size: .9rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.footer-links a:hover, .footer-links a[aria-current="page"] { color: var(--text); }

/* ---------- Legal pages ---------- */
.legal { padding: clamp(48px, 8vw, 88px) 0 clamp(64px, 10vw, 112px); }
.legal .container { max-width: 800px; }
.legal h1 { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 700; }
.legal h2 { font-size: 1.4rem; margin-top: 2.2em; }
.legal h3 { font-size: 1.1rem; margin-top: 1.6em; }
.legal p, .legal li { color: #C9D6EE; }
.legal ul { padding-left: 1.3em; margin: 0 0 1em; }
.legal li { margin-bottom: .4em; }
.legal a { text-decoration: underline; text-underline-offset: 3px; }
.legal .updated { color: var(--muted); font-size: .95rem; }
.legal .callout {
  margin: 28px 0;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.legal .callout p:last-child { margin-bottom: 0; }

/* ---------- Reveal ----------
   Scroll-driven CSS animation: content is visible by default and only fades in
   where the browser supports it and the visitor hasn't asked for reduced motion. */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      animation: reveal linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 35%;
    }
  }
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@media print {
  .reveal { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about, .contact { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
    background: rgba(5, 11, 24, .97);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-links a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-links .btn { margin-top: 18px; }
  .nav-open .nav-links { display: flex; }
  .nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .tagline {
    flex-direction: column;
    gap: 10px;
    font-size: .7rem;
  }
  .tagline::before, .tagline::after { display: none; }
  .tagline i { display: none; }

  .field-row { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 400px) {
  .container { padding: 0 16px; }
  .hero-cta .btn { width: 100%; }
  .captcha { transform: scale(.88); transform-origin: left top; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-delay: 0s !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  .btn { border: 1px solid ButtonText; }
  .field input, .field textarea { border: 1px solid FieldText; }
  .card, .about-points li, .contact-form { border: 1px solid CanvasText; }
}