:root {
  --bg: #10131a;
  --bg-elevated: #171b24;
  --line: #262b38;
  --text: #e7e9f0;
  --text-muted: #8d93a6;
  --accent: #4e7cff;
  --accent-dim: #2e3d66;
  --radius: 10px;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "IBM Plex Sans", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

p { margin: 0 0 12px; color: var(--text-muted); max-width: 60ch; }

a { color: inherit; }

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(16, 19, 26, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--text);
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- hero ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 96px;
}

.hero-sub {
  max-width: 48ch;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

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

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

.btn-primary:hover { background: #3f6bef; }

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover { border-color: var(--accent); }

.hero-terminal {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
}

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.terminal-body {
  margin: 0;
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #b9d2ff;
  min-height: 180px;
  white-space: pre-wrap;
  word-break: break-word;
}

.cursor {
  color: var(--accent);
  animation: blink 1s step-start infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ---------- sections ---------- */

section {
  padding: 72px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  margin-bottom: 40px;
}

.section-head p {
  max-width: 52ch;
}

/* services as quiet rows, not cards */

.service-list {
  display: flex;
  flex-direction: column;
}

.service-row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}

.service-row:last-child {
  border-bottom: 1px solid var(--line);
}

.service-row h3 { margin: 0; }
.service-row p { margin: 0; }

/* process, genuine sequence -> numbered */

.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.process-list li {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 22px 0;
  position: relative;
}

.process-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 54px;
  bottom: -22px;
  width: 1px;
  background: var(--line);
}

.step-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.95rem;
  padding-top: 2px;
}

.process-list h3 { margin-bottom: 4px; }
.process-list p { margin: 0; }

/* contact */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 480px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

input, textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px 14px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}

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

.send-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.send-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.send-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.contact-form .btn {
  align-self: flex-start;
}

.form-note {
  min-height: 1.2em;
  color: var(--accent);
  font-size: 0.9rem;
}

/* footer */

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 28px 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-inner a {
  text-decoration: none;
  color: var(--text-muted);
}

.footer-inner a:hover { color: var(--text); }

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 48px;
  }

  .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease;
  }

  .nav.open {
    max-height: 240px;
  }

  .nav a {
    padding: 14px 24px;
    border-top: 1px solid var(--line);
  }
}