:root {
  --surface: #000000;
  --surface-alt: #111111;
  --primary: #89B4F8;
  --accent: #00DCFD;
  --muted: #71717A;
  --muted-2: #A1A1AA;
  --border-subtle: rgba(255,255,255,0.05);
  --white: #FFFFFF;

  --serif: 'Playfair Display', serif;
  --sans: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  color: var(--primary);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body ::selection { background: var(--accent); color: var(--surface); }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 0;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn--ghost {
  border-color: var(--white);
  color: var(--primary);
  padding: 8px 24px;
  letter-spacing: 0.1em;
}
.btn--ghost:hover { background: var(--white); color: #000; }

.btn--accent {
  border-color: var(--accent);
  color: var(--accent);
  padding: 16px 48px;
  letter-spacing: 0.2em;
}
.btn--accent:hover { background: var(--accent); color: #000; }

.btn--accent-solid {
  background: var(--accent);
  color: #000;
  padding: 20px 64px;
  letter-spacing: 0.3em;
}
.btn--accent-solid:hover { background: var(--white); }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 81px;
}

.nav__logo img {
  display: block;
  height: 64px;
  width: auto;
}

.nav__links {
  display: flex;
  gap: 48px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
}
.nav__links a:hover { color: var(--accent); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 22px;
  height: 2px;
  background: var(--primary);
  transition: 0.25s;
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 22px;
  padding: 24px 24px 32px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0,0,0,0.95);
}
.nav__mobile a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.nav__mobile .btn { align-self: flex-start; }

.nav.is-open .nav__mobile { display: flex; }

/* ---------- Hero ---------- */
.hero {
  background: var(--surface);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 0 80px;
}

.hero__inner {
  max-width: 900px;
  margin: 0 auto;
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.eyebrow--muted { color: var(--muted); }

.hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.25rem, 6vw, 5.5rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--primary);
  margin-bottom: 32px;
}

.hero__subtitle {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 44px;
}

.hero__actions {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ---------- Services ---------- */
.services {
  padding: 128px 0;
  background: var(--surface-alt);
}

.section__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 48px;
  text-align: center;
  color: var(--primary);
  margin-bottom: 96px;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
}

.service-card__icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
  margin-bottom: 32px;
}

.service-card h3 {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1.4;
  color: var(--primary);
  margin-bottom: 20px;
}

.service-card p {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- CTA / Contact ---------- */
.cta {
  background: var(--surface);
  padding: 192px 0;
  text-align: center;
}

.cta__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 6rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--primary);
  margin-bottom: 40px;
}
.cta__title span { font-style: italic; }

.cta__link {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 300;
  font-size: 20px;
  color: var(--muted-2);
  border-bottom: 1px solid rgba(0,220,253,0.3);
  padding-bottom: 8px;
  margin-bottom: 48px;
  transition: all 0.3s ease;
}
.cta__link:hover { color: var(--white); border-color: var(--accent); }

.cta__button { display: inline-flex; }

/* ---------- Footer ---------- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border-subtle);
  padding: 64px 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__logo {
  height: 24px;
  width: auto;
  opacity: 0.3;
  filter: grayscale(1) brightness(2);
}

.footer__copy {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--muted);
}

.footer__social {
  display: flex;
  gap: 18px;
}
.footer__social a {
  color: var(--muted);
  transition: color 0.2s;
}
.footer__social a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .services__grid { grid-template-columns: 1fr; gap: 56px; }

  .hero { padding: 100px 0 70px; }
  .services { padding: 90px 0; }
  .cta { padding: 120px 0; }

  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 20px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
}