/* itsbelogurov.ru — «терминал сисадмина»: тёмная инженерная тема, статусный акцент */

:root {
  --bg: #0b1016;
  --bg-alt: #0e141c;
  --surface: #131b26;
  --surface-2: #17202e;
  --line: #24303f;
  --text: #dce5ef;
  --text-dim: #8fa0b3;
  --accent: #3ddc84;
  --accent-dark: #1f9e5c;
  --warn: #ffc857;
  --font-body: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --radius: 14px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(900px 480px at 85% -10%, rgba(61, 220, 132, 0.07), transparent 60%),
    linear-gradient(rgba(36, 48, 63, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 48, 63, 0.25) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 44px 44px, 44px 44px, auto;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); }

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

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
  font-weight: 800;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.12rem; font-weight: 700; }

p { margin: 0 0 1em; }

a { color: var(--accent); }

.overline {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 14px;
}

.lead { color: var(--text-dim); font-size: 1.12rem; max-width: 56ch; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #06220f;
  padding: 10px 16px;
  border-radius: 0 0 8px 0;
  font-weight: 700;
  z-index: 100;
}
.skip-link:focus { left: 0; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 22, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.05rem;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  color: #06220f;
  font-family: var(--font-mono);
  font-weight: 700;
}

.logo-tld { color: var(--text-dim); font-weight: 500; }

.site-nav {
  display: flex;
  gap: 26px;
}

.site-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

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

.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #06220f;
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(61, 220, 132, 0.28); transform: translateY(-1px); }

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

.btn-sm { padding: 9px 18px; font-size: 0.92rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.hero { padding: 84px 0 90px; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0 26px;
}

.hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 0.84rem;
  color: var(--text-dim);
}
.hero-facts span { color: var(--accent); }

/* terminal card */

.terminal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  transform: rotate(0.6deg);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.t-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #3a4a5d;
}
.t-dot:nth-child(1) { background: #e5645e; }
.t-dot:nth-child(2) { background: var(--warn); }
.t-dot:nth-child(3) { background: var(--accent); }

.terminal-title {
  margin-left: 10px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 20px 18px 22px;
  font-size: 0.82rem;
  line-height: 2;
}

.t-line { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-prompt { color: var(--accent); }
.t-badge {
  display: inline-block;
  min-width: 30px;
  text-align: center;
  border-radius: 5px;
  margin-right: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 5px;
}
.ok .t-badge { background: rgba(61, 220, 132, 0.15); color: var(--accent); }
.warn .t-badge { background: rgba(255, 200, 87, 0.15); color: var(--warn); }
.done .t-badge { background: rgba(61, 220, 132, 0.15); color: var(--accent); }
.ok, .done { color: #b9d8c8; }
.warn { color: #e8d5a8; }

.t-cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--accent);
  vertical-align: -2px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

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

.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

/* services */

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 40px;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
}

.service-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: rgba(61, 220, 132, 0.1);
  color: var(--accent);
  margin-bottom: 18px;
}
.service-icon svg { width: 26px; height: 26px; }

.service-lede { color: var(--text-dim); }

.checklist {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.checklist li {
  position: relative;
  padding-left: 30px;
  font-size: 0.98rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* process */

.process-steps {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.step-num {
  display: block;
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.step p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 22px 0;
  display: grid;
  gap: 16px;
}

.plain-list li {
  padding-left: 26px;
  position: relative;
  color: var(--text-dim);
}
.plain-list li::before {
  content: "$";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
}
.plain-list strong { color: var(--text); }

.pricing-note {
  color: var(--text-dim);
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 18px;
  margin: 24px 0 28px;
}

.price-cases {
  display: grid;
  gap: 18px;
}

.price-case {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
}

.price-case h3 { margin-bottom: 6px; }
.price-case p { color: var(--text-dim); margin: 0; font-size: 0.96rem; }

/* why */

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 40px;
}

.why-item h3 { color: var(--accent); font-size: 1.02rem; }
.why-item p { color: var(--text-dim); font-size: 0.95rem; margin: 0; }

/* faq */

.faq-list {
  margin-top: 32px;
  display: grid;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 24px;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 700;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.2rem;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { color: var(--text-dim); margin: 0 0 20px; }

/* contacts */

.contacts-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 52px 48px;
}

.contact-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.contact-links a {
  display: grid;
  gap: 4px;
  padding: 20px 26px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s, transform 0.15s;
}

.contact-links a:hover { border-color: var(--accent); transform: translateY(-2px); }

.contact-links .mono {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.contact-links strong { font-size: 1.15rem; font-weight: 700; }

/* lead form */

.lead-form {
  display: grid;
  gap: 16px;
  margin-bottom: 28px;
}

.field { display: grid; gap: 6px; }

.field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dim);
}

.field input, .field textarea {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font: inherit;
  padding: 12px 14px;
  width: 100%;
}

.field textarea { resize: vertical; min-height: 96px; }

.field input:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}

.lead-form .btn { justify-self: start; }

.form-status { margin: 0; font-size: 0.92rem; min-height: 1.4em; }
.form-status.ok { color: var(--accent); }
.form-status.err { color: #ff8a80; }

/* footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  color: var(--text-dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.86rem;
}

.site-footer p { margin: 0; }
.site-footer a { color: var(--text-dim); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

.secret-dot {
  position: relative;
  width: 44px;
  height: 44px;
  display: inline-block;
  margin: -14px -12px;
  border-radius: 50%;
}
.secret-dot::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
  opacity: 0.4;
  transition: opacity 0.2s, background 0.2s, width 0.2s, height 0.2s;
}
.secret-dot:hover::after, .secret-dot:focus-visible::after { opacity: 1; background: var(--accent); }

@media (hover: none) {
  .secret-dot::after { width: 10px; height: 10px; opacity: 0.55; }
}

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

@media (max-width: 980px) {
  .hero-grid, .services-grid, .pricing-grid, .contacts-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 44px; }
  .hero { padding: 56px 0 70px; }
  .process-steps, .why-grid { grid-template-columns: 1fr 1fr; }
  .contacts-card { padding: 40px 30px; }
}

@media (max-width: 640px) {
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 15px 24px; border-top: 1px solid var(--line); }
  .nav-toggle { display: flex; }
  .process-steps, .why-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .terminal { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .t-cursor { animation: none; }
  .btn, .contact-links a { transition: none; }
}