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

:root {
  --void:    #050507;
  --ink:     #0c0c10;
  --panel:   #111116;
  --surface: #18181f;
  --border:  rgba(255,255,255,.07);
  --cyan:    #00e5c8;
  --cyan-dim: rgba(0,229,200,.12);
  --white:   #ffffff;
}

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: rgba(255, 255, 255, 0.9);
  font-family: 'Inter', sans-serif;
  overflow-x: hidden;
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 56px; height: 72px;
  border-bottom: 1px solid transparent;
  transition: background .4s, border-color .4s;
}
nav.stuck {
  background: rgba(5,5,7,.92);
  border-color: var(--border);
  backdrop-filter: blur(16px);
}
.nav-wordmark {
  font-family: 'Inter', sans-serif;
  font-size: 15px; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; color: var(--white); text-decoration: none;
  display: flex; align-items: center; gap: 10px;
}
.nav-wordmark .nm-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
}
.nav-center { display: flex; gap: 40px; list-style: none; }
.nav-center a {
  font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--white); text-decoration: none; transition: color .2s;
}
.nav-center a:hover, .nav-center a.nav-here { color: var(--cyan); }
.nav-end { display: flex; align-items: center; gap: 20px; }
.nav-tel {
  font-family: 'DM Mono', monospace; font-size: 12px;
  color: var(--white); text-decoration: none; transition: color .2s;
}
.nav-tel:hover { color: var(--cyan); }
.nav-btn {
  border: 1px solid var(--cyan); color: var(--cyan);
  padding: 9px 22px; font-family: 'DM Mono', monospace;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none; transition: background .2s, color .2s;
  position: relative; overflow: hidden;
}
.nav-btn::before {
  content: ''; position: absolute; inset: 0;
  background: var(--cyan); transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease; z-index: -1;
}
.nav-btn:hover { color: var(--void); }
.nav-btn:hover::before { transform: scaleX(1); }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--white);
  flex-shrink: 0;
}
.nav-toggle:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
.nav-toggle-bar { display: block; width: 22px; height: 2px; background: currentColor; transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-backdrop { display: none; }

.ct-hero {
  padding: 120px 56px 48px;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse 70% 60% at 20% 20%, rgba(0,229,200,.08) 0%, transparent 55%),
    var(--void);
}
.ct-hero__inner { max-width: 640px; }
.ct-eyebrow {
  font-family: 'DM Mono', monospace; font-size: 10px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 16px; display: flex; align-items: center; gap: 14px;
}
.ct-eyebrow::before { content: '//'; opacity: .5; }
.ct-hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800; letter-spacing: -.04em; line-height: .98;
  color: var(--white); margin-bottom: 16px;
}
.ct-hero h1 .hl { color: var(--cyan); }
.ct-hero p {
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 18px; line-height: 1.75; font-weight: 400;
  color: rgba(255, 255, 255, 0.9); max-width: 520px;
}

.ct-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 0;
  min-height: 520px;
  border-bottom: 1px solid var(--border);
}
.ct-info {
  padding: 56px 56px 72px;
  background: var(--ink);
  border-right: 1px solid var(--border);
}
.ct-info__block + .ct-info__block { margin-top: 36px; }
.ct-info__label {
  font-family: 'DM Mono', monospace; font-size: 9px;
  letter-spacing: .22em; text-transform: uppercase; color: var(--cyan);
  margin-bottom: 10px;
}
.ct-info__value {
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 18px; line-height: 1.6; font-weight: 400;
}
.ct-info__value a {
  color: rgba(255, 255, 255, 0.9); text-decoration: none;
  transition: color .2s;
}
.ct-info__value a:hover { color: var(--cyan); }
.ct-info__list {
  list-style: none;
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 8px;
}
.ct-info__list li {
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px; font-weight: 400;
  padding-left: 16px; position: relative;
}
.ct-info__list li::before {
  content: '';
  position: absolute; left: 0; top: .55em;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--cyan); opacity: .7;
}

.ct-form-wrap {
  padding: 56px 56px 72px;
  background: var(--panel);
}
.ct-form-success {
  display: none;
  margin-bottom: 24px;
  padding: 16px 18px;
  border: 1px solid rgba(0,229,200,.35);
  background: var(--cyan-dim);
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px; line-height: 1.6;
}
.ct-form-success.is-visible { display: block; }

.ct-form {
  display: flex; flex-direction: column; gap: 24px;
  max-width: 520px;
}
.ct-field { display: flex; flex-direction: column; gap: 8px; }
.ct-field label {
  font-family: 'DM Mono', monospace; font-size: 9px;
  letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.85);
}
.ct-field input,
.ct-field select,
.ct-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--white);
  font-family: 'Source Sans 3', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.5;
  transition: border-color .2s, box-shadow .2s;
}
.ct-field input:focus,
.ct-field select:focus,
.ct-field textarea:focus {
  outline: none;
  border-color: rgba(0,229,200,.45);
  box-shadow: 0 0 0 3px rgba(0,229,200,.12);
}
.ct-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2300e5c8' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}
.ct-field select option { background: var(--surface); color: var(--white); }
.ct-field textarea { min-height: 140px; resize: vertical; }

.btn-cyan {
  align-self: flex-start;
  background: var(--cyan); color: var(--void);
  padding: 16px 36px; font-family: 'Inter', sans-serif;
  font-size: 12px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; border: none; cursor: pointer;
  box-shadow: 0 0 40px rgba(0,229,200,.25);
  transition: box-shadow .3s, transform .2s;
}
.btn-cyan:hover { box-shadow: 0 0 60px rgba(0,229,200,.45); transform: translateY(-2px); }

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

footer { background: var(--panel); border-top: 1px solid var(--border); padding: 56px 56px 0; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
.footer-brand-word {
  font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 800;
  letter-spacing: .04em; color: var(--white); text-transform: uppercase; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.footer-brand-word .fd { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); }
footer .f-tag { font-size: 13px; color: rgba(255, 255, 255, 0.9); line-height: 1.7; max-width: 220px; font-weight: 400; }
.f-wbe { margin-top: 20px; font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .2em; text-transform: uppercase; color: var(--cyan); border: 1px solid rgba(0,229,200,.2); display: inline-block; padding: 6px 12px; text-decoration: none; transition: border-color .2s, background .2s; }
.f-wbe:hover { border-color: rgba(0,229,200,.45); background: rgba(0,229,200,.08); }
footer h5 { font-family: 'DM Mono', monospace; font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: rgba(255, 255, 255, 0.9); margin-bottom: 20px; }
footer ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
footer ul a { font-size: 13px; color: rgba(255, 255, 255, 0.9); text-decoration: none; transition: color .2s; }
footer ul a:hover { color: var(--cyan); }
.footer-bottom { padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-family: 'DM Mono', monospace; font-size: 10px; color: rgba(255, 255, 255, 0.9); letter-spacing: .08em; }

@media (max-width: 1024px) {
  .ct-layout { grid-template-columns: 1fr; }
  .ct-info { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 768px) {
  nav { padding: 0 20px; min-height: 64px; height: auto; padding-top: 10px; padding-bottom: 10px; }
  .nav-wordmark { order: 1; z-index: 202; position: relative; font-size: 12px; }
  .nav-end { order: 2; margin-left: auto; z-index: 202; gap: 10px; }
  .nav-tel { font-size: 11px; }
  .nav-btn { padding: 8px 14px; font-size: 10px; }
  .nav-toggle { display: flex; order: 3; margin-left: 6px; z-index: 202; }
  .nav-center {
    position: fixed; left: 0; right: 0; top: 72px; bottom: 0; z-index: 199;
    flex-direction: column; gap: 0; margin: 0; padding: 8px 0 32px;
    background: rgba(17, 17, 22, 0.98); border-top: 1px solid var(--border);
    overflow-y: auto; transform: translateX(100%); visibility: hidden;
    transition: transform 0.3s ease, visibility 0.3s;
  }
  nav.nav-open .nav-center { transform: translateX(0); visibility: visible; }
  .nav-center li { border-bottom: 1px solid var(--border); }
  .nav-center a { display: block; padding: 16px 24px; font-size: 12px; }
  nav.nav-open .nav-backdrop { display: block; position: fixed; inset: 0; z-index: 198; background: rgba(0,0,0,.55); cursor: pointer; }
  nav.nav-open .nav-toggle-bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  nav.nav-open .nav-toggle-bar:nth-child(2) { opacity: 0; }
  nav.nav-open .nav-toggle-bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  body.nav-menu-open { overflow: hidden; }
  .ct-hero { padding: 100px 24px 40px; }
  .ct-info, .ct-form-wrap { padding: 40px 24px 48px; }
  footer { padding: 48px 24px 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .ct-hero { padding: 96px 16px 32px; }
  .ct-info, .ct-form-wrap { padding: 32px 16px 40px; }
  .btn-cyan { width: 100%; text-align: center; }
  footer { padding: 40px 16px 0; }
}