/* ==========================================================================
   Орбита — визитка. Дизайн-система на CSS-переменных.
   Поменять палитру или шрифт можно в блоке :root ниже.
   ========================================================================== */

:root {
  /* Палитра */
  --bg: #070810;
  --bg-soft: #0a0c15;
  --panel: #0e1120;
  --panel-2: #121629;
  --ink: #edf1f9;
  --muted: #98a2b8;
  --muted-dim: #7a8499;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.16);
  --mint: #6fe9da;
  --violet: #a78bff;
  --gold: #ffc94a;

  /* Радиусы, тени, отступы */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.9);
  --wrap: 1160px;
  --pad: clamp(18px, 4vw, 40px);

  /* Шрифт */
  --font: "Inter", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", "Consolas", ui-monospace, monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60% 45% at 78% -5%, rgba(167, 139, 255, 0.16), transparent 70%),
    radial-gradient(45% 40% at 5% 30%, rgba(111, 233, 218, 0.09), transparent 70%),
    radial-gradient(50% 40% at 50% 105%, rgba(90, 62, 224, 0.14), transparent 70%);
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

::selection { background: rgba(111, 233, 218, 0.28); color: #fff; }

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--mint);
  color: #04120f;
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--pad);
}

/* ── Типографика ───────────────────────────────────────────────────────── */
h1, h2, h3 { font-weight: 600; line-height: 1.12; letter-spacing: -0.028em; }

h1 {
  font-size: clamp(2.05rem, 4.6vw, 3.5rem);
  letter-spacing: -0.035em;
  text-wrap: balance;
}
h1 em {
  font-style: normal;
  background: linear-gradient(96deg, var(--mint), var(--violet) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.65rem);
  max-width: 22ch;
}
h3 { font-size: 1.15rem; letter-spacing: -0.015em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(111, 233, 218, 0.14);
}

.lead {
  font-size: clamp(1rem, 1.35vw, 1.13rem);
  color: var(--muted);
  max-width: 52ch;
}

.section-lead {
  margin-top: 16px;
  color: var(--muted);
  max-width: 56ch;
}

/* ── Кнопки ────────────────────────────────────────────────────────────── */
.btn {
  --btn-bg: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--ink);
  color: #08090f;
  box-shadow: 0 10px 30px -12px rgba(237, 241, 249, 0.45);
}
.btn-primary:hover { background: #fff; box-shadow: 0 16px 36px -14px rgba(237, 241, 249, 0.55); }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); border-color: rgba(255, 255, 255, 0.3); }

.btn-sm { padding: 10px 18px; font-size: 0.88rem; }
.btn-block { width: 100%; }

/* ── Шапка ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, backdrop-filter 0.25s ease;
}
.site-header.is-stuck {
  background: rgba(7, 8, 16, 0.72);
  border-bottom-color: var(--line);
  backdrop-filter: saturate(140%) blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo-mark { width: 34px; height: 34px; color: var(--mint); flex: none; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text strong { font-size: 0.92rem; letter-spacing: 0.22em; font-weight: 700; }
.logo-text small { font-size: 0.6rem; letter-spacing: 0.34em; text-transform: uppercase; color: var(--muted-dim); margin-top: 5px; }

.nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); }
.nav a {
  position: relative;
  font-size: 0.9rem;
  color: var(--muted);
  transition: color 0.16s ease;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--mint);
  transition: right 0.22s ease;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { right: 0; }

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

.burger {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  position: relative;
}
.burger span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.22s ease, opacity 0.18s ease;
}
.burger span:nth-child(1) { top: 16px; }
.burger span:nth-child(2) { bottom: 16px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.hero { position: relative; padding: clamp(44px, 7vw, 84px) 0 clamp(44px, 6vw, 72px); }
.hero-glow {
  position: absolute;
  inset: -10% -5% auto;
  height: 640px;
  background: radial-gradient(48% 52% at 70% 22%, rgba(167, 139, 255, 0.22), transparent 72%);
  filter: blur(10px);
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.hero-copy h1 { margin-bottom: 22px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
  color: var(--muted-dim);
}
.hero-meta li { position: relative; padding-left: 16px; }
.hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
  transform: translateY(-50%);
  opacity: 0.8;
}

/* Мокап браузера */
.hero-visual { position: relative; }

.browser {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, #141a2e, #0a0d18 60%);
  box-shadow: var(--shadow);
  overflow: hidden;
  transform: perspective(1400px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.5s ease;
}
.hero-visual:hover .browser { transform: perspective(1400px) rotateY(-2deg) rotateX(0.5deg); }

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}
.b-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.b-dot:first-child { background: rgba(255, 120, 120, 0.55); }
.browser-url {
  margin-left: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.browser-body { padding: clamp(18px, 3vw, 30px); display: grid; gap: 12px; }

.skeleton {
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
}
.s-title { height: 26px; width: 74%; background: linear-gradient(90deg, rgba(111, 233, 218, 0.85), rgba(167, 139, 255, 0.75)); }
.s-line { height: 9px; width: 92%; }
.s-line.short { width: 58%; }
.skeleton-cta {
  margin-top: 8px;
  height: 34px;
  width: 148px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(111, 233, 218, 0.22), rgba(167, 139, 255, 0.22));
  border: 1px solid rgba(111, 233, 218, 0.35);
}
.skeleton-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 12px; }
.s-card { height: 76px; border-radius: 10px; background: rgba(255, 255, 255, 0.045); border: 1px solid var(--line); }

.toast {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line-strong);
  background: rgba(14, 17, 32, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.9);
  font-size: 0.8rem;
  animation: float 7s ease-in-out infinite;
}
.toast b { display: block; font-size: 0.82rem; font-weight: 600; }
.toast small { color: var(--muted); font-size: 0.72rem; }
.toast time { margin-left: auto; color: var(--muted-dim); font-size: 0.68rem; align-self: flex-start; }

.toast-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  flex: none;
  background: rgba(111, 233, 218, 0.14);
  color: var(--mint);
  font-size: 0.85rem;
}
.toast-icon.bot { background: rgba(167, 139, 255, 0.16); color: var(--violet); }

.toast-lead { top: -18px; right: -10px; }
.toast-bot { bottom: 26px; left: -26px; animation-delay: -3.5s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* ── Секции ────────────────────────────────────────────────────────────── */
.section { padding: clamp(56px, 7.5vw, 96px) 0; position: relative; }
section[id] { scroll-margin-top: 92px; }
.section-alt { background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.018) 18%, rgba(255, 255, 255, 0.018) 82%, transparent); }

.section-head { margin-bottom: clamp(32px, 4.5vw, 54px); }
.section-head h2 { margin-top: 0; }
.section-more { margin-top: 28px; }

/* ── Карточки услуг ────────────────────────────────────────────────────── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  padding: 26px 24px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(70% 60% at 50% 0%, rgba(111, 233, 218, 0.12), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover { transform: translateY(-4px); border-color: rgba(111, 233, 218, 0.28); }
.card:hover::after { opacity: 1; }

.card-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 22px; }
.card-num { font-family: var(--mono); font-size: 0.72rem; color: var(--muted-dim); letter-spacing: 0.1em; }
.card-icon { width: 26px; height: 26px; color: var(--mint); opacity: 0.9; }

.card h3 { margin-bottom: 10px; }
.card > p { color: var(--muted); font-size: 0.93rem; }

.ticks { margin-top: 18px; display: grid; gap: 8px; }
.ticks li {
  position: relative;
  padding-left: 22px;
  font-size: 0.86rem;
  color: var(--muted);
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 11px;
  height: 6px;
  border-left: 1.5px solid var(--mint);
  border-bottom: 1.5px solid var(--mint);
  transform: rotate(-45deg);
  opacity: 0.85;
}

/* ── Кейсы ─────────────────────────────────────────────────────────────── */
.cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }

.case {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.022);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.case:hover { transform: translateY(-4px); border-color: var(--line-strong); }

.case-visual {
  position: relative;
  aspect-ratio: 16 / 10;
  background: linear-gradient(140deg, #123047, #0b0f1c 65%);
  overflow: hidden;
}
.case-visual.v2 { background: linear-gradient(140deg, #2a2350, #0b0f1c 65%); }
.case-visual.v3 { background: linear-gradient(140deg, #3a2c12, #0b0f1c 65%); }

.case-pattern {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 40%, #000 30%, transparent 100%);
}
.case-visual::after {
  content: "";
  position: absolute;
  width: 190px;
  height: 190px;
  right: -30px;
  bottom: -60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(111, 233, 218, 0.3), transparent 65%);
  filter: blur(6px);
}
.case-visual.v2::after { background: radial-gradient(circle, rgba(167, 139, 255, 0.34), transparent 65%); }
.case-visual.v3::after { background: radial-gradient(circle, rgba(255, 201, 74, 0.28), transparent 65%); }

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 1;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(7, 8, 16, 0.65);
  backdrop-filter: blur(8px);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.badge-live { color: var(--mint); border-color: rgba(111, 233, 218, 0.4); }

.case-num {
  position: absolute;
  right: 16px;
  bottom: 6px;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(255, 255, 255, 0.09);
  font-variant-numeric: tabular-nums;
}

.case-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tags span {
  padding: 3px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.case-body h3 { font-size: 1.2rem; }
.case-body p { color: var(--muted); font-size: 0.9rem; }

.case-link {
  margin-top: auto;
  padding-top: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--mint);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.case-link span { transition: transform 0.2s ease; }
.case-link:hover span { transform: translateX(4px); }
.case-link.muted { color: var(--muted-dim); font-weight: 500; }

/* ── Процесс ───────────────────────────────────────────────────────────── */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  counter-reset: step;
}
.step {
  position: relative;
  padding: 28px 24px 26px;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.25s ease;
}
.step:hover { background: #0f1322; }
.step-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mint);
  opacity: 0.85;
}
.step h3 { font-size: 1.06rem; }
.step p { color: var(--muted); font-size: 0.87rem; }
.step-time {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.72rem;
  color: var(--muted-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── О студии ──────────────────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(32px, 5vw, 68px);
  align-items: start;
}
.about-copy h2 { margin-bottom: 20px; }
.about-copy p { color: var(--muted); margin-bottom: 14px; max-width: 54ch; }
.about-copy .btn { margin-top: 14px; }

.about-side { display: grid; gap: 16px; }
.panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.025);
}
.panel h3 { font-size: 0.98rem; margin-bottom: 16px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

/* ── FAQ ───────────────────────────────────────────────────────────────── */
.faq-wrap { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 70px); align-items: start; }
.faq { border-top: 1px solid var(--line); }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 4px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  list-style: none;
  transition: color 0.16s ease;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  flex: none;
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--mint);
  transition: transform 0.24s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: #fff; }
.faq details p { color: var(--muted); font-size: 0.92rem; padding: 0 4px 20px; max-width: 62ch; }

/* ── Контакт ───────────────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(32px, 5vw, 70px);
  align-items: start;
}
.contact-copy h2 { margin-bottom: 20px; }

.contact-list { margin-top: 32px; display: grid; gap: 2px; border-top: 1px solid var(--line); }
.contact-list li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.contact-list span { width: 90px; flex: none; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-dim); }
.contact-list a { color: var(--ink); border-bottom: 1px solid transparent; transition: border-color 0.16s ease, color 0.16s ease; }
.contact-list a:hover { color: var(--mint); border-bottom-color: rgba(111, 233, 218, 0.5); }

.contact-form { display: grid; gap: 16px; padding: clamp(22px, 3vw, 32px); }

.field { display: grid; gap: 7px; }
.field label { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-dim); }
.field input,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  font: inherit;
  font-size: 0.94rem;
  transition: border-color 0.16s ease, background 0.16s ease;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-dim); }
.field input:focus,
.field textarea:focus { outline: none; border-color: rgba(111, 233, 218, 0.55); background: rgba(255, 255, 255, 0.05); }
.field.is-invalid input,
.field.is-invalid textarea { border-color: rgba(255, 120, 120, 0.6); }

.field-error { font-size: 0.78rem; color: #ff8f8f; min-height: 0; }

.form-note { font-size: 0.74rem; color: var(--muted-dim); line-height: 1.5; }
.form-success {
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 1px solid rgba(111, 233, 218, 0.35);
  background: rgba(111, 233, 218, 0.08);
  font-size: 0.85rem;
  color: var(--mint);
}
.form-success.is-error {
  border-color: rgba(255, 140, 140, 0.4);
  background: rgba(255, 140, 140, 0.08);
  color: #ffb4b4;
}

/* Ловушка для ботов: не видна людям, но заполняется автозаполнением */
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ── Подвал ────────────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line); padding: 48px 0 40px; margin-top: 20px; }
.footer-inner { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.footer-brand p { margin-top: 14px; color: var(--muted-dim); font-size: 0.84rem; max-width: 34ch; }

.footer-nav { display: grid; gap: 10px; font-size: 0.87rem; }
.footer-nav a { color: var(--muted); transition: color 0.16s ease; }
.footer-nav a:hover { color: var(--ink); }

.footer-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; font-size: 0.84rem; justify-content: flex-end; }
.footer-meta a { color: var(--muted); }
.footer-meta a:hover { color: var(--mint); }
.footer-note { color: var(--muted-dim); }
.footer-note.dim { opacity: 0.6; font-family: var(--mono); font-size: 0.72rem; }

/* Реквизиты оператора — обязательны на сайте (п. 2.2.4 Соглашения). */
.footer-legal {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted-dim);
  font-size: 0.74rem;
  line-height: 1.6;
}

/* ── Страница кейса ────────────────────────────────────────────────────── */
.case-topbar {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 8, 16, 0.82);
  backdrop-filter: blur(12px);
}
.case-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}
.case-back {
  font-size: 0.88rem;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.16s ease, gap 0.16s ease;
}
.case-back:hover { color: var(--mint); gap: 12px; }

.case-page { padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px); }
.case-page .wrap { max-width: 900px; }
.case-page h1 {
  font-size: clamp(1.85rem, 4vw, 3rem);
  margin-bottom: 18px;
}
.case-page .lead { max-width: 62ch; }

.case-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px 24px;
  margin: 34px 0 10px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.case-meta dt {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin-bottom: 6px;
}
.case-meta dd { margin: 0; font-size: 0.92rem; color: var(--ink); }

.case-page figure { margin: 34px 0; }
.case-page figure img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.case-page figcaption {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--muted-dim);
}

.prose h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  margin: 46px 0 14px;
}
.prose h3 { font-size: 1.05rem; margin: 22px 0 8px; }
.prose code {
  font-family: var(--mono);
  font-size: 0.86em;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--ink);
}
.prose p { color: var(--muted); margin-bottom: 14px; max-width: 68ch; }
.prose p strong { color: var(--ink); font-weight: 600; }

.case-list { counter-reset: c; display: grid; gap: 14px; margin: 20px 0 8px; }
.case-list li {
  counter-increment: c;
  position: relative;
  padding-left: 44px;
  color: var(--muted);
  font-size: 0.94rem;
}
.case-list li::before {
  content: counter(c, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--mint);
  opacity: 0.85;
}
.case-list b { color: var(--ink); font-weight: 600; }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  margin: 30px 0;
}
.stat { background: var(--bg-soft); padding: 22px 20px; }
.stat b {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.stat span { display: block; margin-top: 6px; font-size: 0.76rem; color: var(--muted-dim); }

.case-page .figure-phone { max-width: 330px; margin: 34px auto; }
.figure-phone img { border-radius: 22px; }

.case-cta {
  margin-top: 52px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  background: linear-gradient(150deg, rgba(111, 233, 218, 0.07), rgba(167, 139, 255, 0.05));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.case-cta p { margin: 0; max-width: 40ch; color: var(--muted); }
.case-cta b { display: block; color: var(--ink); margin-bottom: 4px; font-size: 1.02rem; }

.case-footer {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  font-size: 0.84rem;
  color: var(--muted-dim);
}
.case-footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between; }
.case-footer a { color: var(--muted); }
.case-footer a:hover { color: var(--mint); }

@media (max-width: 700px) {
  .case-meta { grid-template-columns: 1fr 1fr; }
}

/* ── Внутренние страницы: услуги ───────────────────────────────────────── */
.inner-page { padding: clamp(36px, 6vw, 72px) 0 clamp(56px, 8vw, 96px); }
.inner-page .wrap { max-width: 900px; }
.inner-page h1 { font-size: clamp(1.85rem, 4vw, 2.9rem); margin-bottom: 18px; }
.inner-page .lead { max-width: 64ch; }

.svc {
  margin-top: clamp(44px, 6vw, 72px);
  padding-top: 34px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}
.svc-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 16px; }
.svc-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mint);
  flex: none;
  padding-top: 6px;
}
.svc h2 { font-size: clamp(1.35rem, 2.6vw, 1.9rem); margin: 0; }
.svc h3 {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-dim);
  margin: 22px 0 10px;
  font-weight: 600;
}
.svc p { color: var(--muted); margin-bottom: 10px; max-width: 68ch; }
.svc ul + p { margin-top: 16px; }
.svc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 6px; }
.svc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.8rem;
  color: var(--muted-dim);
}
.svc-meta b { color: var(--muted); font-weight: 500; }

.crosses { display: grid; gap: 8px; }
.crosses li { position: relative; padding-left: 22px; font-size: 0.86rem; color: var(--muted-dim); }
.crosses li::before {
  content: "—";
  position: absolute;
  left: 2px;
  color: var(--muted-dim);
  opacity: 0.8;
}

.compare-wrap { margin: 26px 0 8px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); }
.compare { width: 100%; min-width: 620px; border-collapse: collapse; font-size: 0.86rem; }
.compare th,
.compare td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.compare thead th {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-dim);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
}
.compare tbody th { color: var(--ink); font-weight: 500; white-space: nowrap; }
.compare td { color: var(--muted); }
.compare tr:last-child th,
.compare tr:last-child td { border-bottom: 0; }

@media (max-width: 700px) {
  .svc-cols { grid-template-columns: 1fr; }
}

/* ── Страница 404 ──────────────────────────────────────────────────────── */
.error-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: clamp(40px, 8vw, 96px) var(--pad);
}
.error-inner { width: 100%; max-width: 640px; }
.error-code {
  margin: 24px 0 18px;
  font-size: clamp(5.5rem, 20vw, 11rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
  background: linear-gradient(120deg, var(--mint), var(--violet) 75%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.9;
}
.error-page h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); margin-bottom: 14px; }
.error-page .lead { max-width: 46ch; }
.error-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.error-hint { margin-top: 28px; font-size: 0.84rem; color: var(--muted-dim); }

/* ── Появление при прокрутке ───────────────────────────────────────────── */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2, 0.7, 0.3, 1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ── Адаптив ───────────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .contact-grid,
  .faq-wrap { grid-template-columns: 1fr; }

  .hero-visual { max-width: 560px; }
  .browser { transform: none; }
  .hero-visual:hover .browser { transform: none; }
  .toast-lead { top: -10px; right: 4px; }
  .toast-bot { left: 4px; bottom: 12px; }

  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-meta { justify-content: flex-start; grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  /* Мобильное меню-«шторка» работает только при включённом JS:
     без скрипта пункты меню остаются видимыми обычным блоком. */
  .js .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--pad) 22px;
    background: rgba(7, 8, 16, 0.97);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(16px);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .js .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .js .nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 1rem; color: var(--ink); }
  .js .nav a::after { display: none; }
  .js .burger { display: block; }
  .js .header-actions .btn { display: none; }

  .no-js .header-inner { flex-wrap: wrap; gap: 8px; padding-block: 14px; }
  .no-js .nav {
    order: 3;
    flex-basis: 100%;
    flex-wrap: wrap;
    gap: 10px 20px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
  }
  .no-js .nav a { color: var(--ink); font-size: 0.86rem; }

  .hero { padding-top: 28px; }
  .hero-meta { flex-direction: column; gap: 8px; }
  .toast { font-size: 0.72rem; padding: 10px 12px; max-width: calc(100% - 8px); }
  .toast-lead,
  .toast-bot { display: none; }
  .skeleton-cards { grid-template-columns: 1fr 1fr; }
  .s-card:last-child { display: none; }

  .site-footer { padding-top: 36px; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}