/* =========================================================
   Нарр.рф — стили сайта
   ========================================================= */

/* ---------- Шрифты (Fira Sans, SIL Open Font License) ---------- */
@font-face { font-family: "Fira Sans"; src: url("../fonts/FiraSans-Regular.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Fira Sans"; src: url("../fonts/FiraSans-Medium.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Fira Sans"; src: url("../fonts/FiraSans-SemiBold.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Fira Sans Extra Condensed"; src: url("../fonts/FiraSansExtraCondensed-Bold.woff2") format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Fira Sans Extra Condensed"; src: url("../fonts/FiraSansExtraCondensed-ExtraBold.woff2") format("woff2"); font-weight: 800; font-style: normal; font-display: swap; }

/* ---------- Токены ---------- */
:root {
  --night: #0f1311;
  --night-2: #151a17;
  --panel: rgba(17, 22, 19, 0.8);
  --panel-solid: #161b18;
  --line: rgba(205, 220, 195, 0.13);
  --line-strong: rgba(205, 220, 195, 0.26);

  --signal: #6ccf4e;          /* зелёный: решение, действие */
  --signal-hi: #85df69;
  --signal-ink: #0f150d;
  --signal-soft: rgba(108, 207, 78, 0.16);
  --ember: #ff8a2a;           /* огонь: проблема, внимание */
  --ember-soft: rgba(255, 138, 42, 0.14);

  --bone: #ece7dc;
  --ash: #a8ada5;
  --ash-2: #80877f;

  --radius: 14px;
  --radius-sm: 10px;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);

  --font-body: "Fira Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Fira Sans Extra Condensed", "Arial Narrow", "Roboto Condensed", var(--font-body);
}

/* ---------- База ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  background: var(--night);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: var(--signal-hi); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--bone); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--signal); color: var(--signal-ink); }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--signal); color: var(--signal-ink); padding: 10px 16px; border-radius: 8px; font-weight: 600; }
.skip-link:focus { top: 12px; }
.ico { width: 22px; height: 22px; flex: none; }

/* дымный фон под всеми разделами */
.backdrop { position: fixed; inset: 0; z-index: -1; background: var(--night) url("../img/bg-smoke.jpg") center / cover no-repeat; }
.backdrop::after { content: ""; position: absolute; inset: 0; background: radial-gradient(120% 90% at 50% 45%, rgba(15, 19, 17, 0.2), rgba(15, 19, 17, 0.82)); }

/* ---------- Типографика ---------- */
h1, h2, .display {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.005em;
  line-height: 0.95;
  text-wrap: balance;
}
h2 { font-size: clamp(2.25rem, 1.55rem + 2.6vw, 3.75rem); }
h3 { font-size: 1.25rem; line-height: 1.3; font-weight: 600; }
.intro { color: var(--ash); font-size: 1.125rem; line-height: 1.6; max-width: 40rem; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  background: var(--signal); color: var(--signal-ink);
  font: 600 1.0625rem/1.2 var(--font-body);
  text-decoration: none; text-align: center;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--signal-hi); color: var(--signal-ink); }
.btn:active { transform: translateY(1px); }
.btn-lg { padding: 18px 30px; font-size: 1.125rem; }
.btn-sm { padding: 10px 16px; font-size: .9375rem; }
.btn-block { width: 100%; }
.btn-ghost { background: rgba(15, 19, 17, 0.35); color: var(--bone); border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(236, 231, 220, 0.08); color: var(--bone); border-color: var(--bone); }
.btn[disabled], .btn[aria-disabled="true"] { background: #3a4138; color: #8a9087; cursor: not-allowed; }

/* ---------- Шапка ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: linear-gradient(rgba(12, 15, 13, 0.82), rgba(12, 15, 13, 0.62));
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--bone); text-decoration: none; flex: none; }
.brand span { font: 800 1.75rem/1 var(--font-display); letter-spacing: 0.01em; }
.brand:hover { color: var(--bone); }
.main-nav { display: flex; gap: 4px; margin-left: auto; }
.main-nav a { color: var(--ash); text-decoration: none; font-size: .9375rem; font-weight: 500; padding: 8px 12px; border-radius: 8px; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--bone); background: rgba(236, 231, 220, 0.06); }
.header-cta { flex: none; }
.nav-toggle { display: none; margin-left: 4px; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line-strong); background: transparent; color: var(--bone); cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle .ico-close { display: none; }
.nav-open .nav-toggle .ico-open { display: none; }
.nav-open .nav-toggle .ico-close { display: block; }

/* ---------- Первый экран ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 940px);
  display: flex; align-items: center;
  padding: 140px 0 110px;
  isolation: isolate;
}
/* картинка плавно растворяется в общем дымном фоне */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background: url("../img/hero-bg.jpg") 85% 50% / cover no-repeat;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 72%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 72%, transparent 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(12, 15, 13, 0.9) 0%, rgba(12, 15, 13, 0.66) 32%, rgba(12, 15, 13, 0.12) 58%, rgba(12, 15, 13, 0) 75%),
    linear-gradient(180deg, rgba(12, 15, 13, 0.55) 0%, rgba(12, 15, 13, 0) 22%);
}
.hero-in { max-width: calc(var(--wrap) + var(--gutter) * 2); }
.hero-title {
  font-size: clamp(3.4rem, 1.6rem + 6.4vw, 7.25rem);
  line-height: 0.88;
  max-width: 6.4em;
  text-shadow: 0 2px 30px rgba(0, 0, 0, 0.45);
}
.hero-lead { margin-top: 28px; max-width: 36rem; font-size: clamp(1.0625rem, 1rem + .3vw, 1.25rem); line-height: 1.55; color: #d6d2c8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-note { display: flex; gap: 10px; align-items: flex-start; margin-top: 22px; color: var(--ash); font-size: .9375rem; max-width: 34rem; }
.hero-note .ico { width: 20px; height: 20px; margin-top: 2px; color: var(--signal); }

/* ---------- Разделы ---------- */
.section { padding: clamp(64px, 8vw, 112px) 0; }
.section-head { max-width: 44rem; margin-bottom: clamp(32px, 4vw, 52px); }
.section-head h2 + .intro { margin-top: 18px; }

/* ---------- Схема маршрута ---------- */
.route-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(8px, 2vw, 16px) clamp(20px, 4vw, 48px);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.corner { position: absolute; width: 26px; height: 26px; border: 0 solid var(--signal); pointer-events: none; }
.c-tl { top: -1px; left: -1px; border-width: 2px 0 0 2px; border-top-left-radius: var(--radius); }
.c-tr { top: -1px; right: -1px; border-width: 2px 2px 0 0; border-top-right-radius: var(--radius); }
.c-bl { bottom: -1px; left: -1px; border-width: 0 0 2px 2px; border-bottom-left-radius: var(--radius); }
.c-br { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; border-bottom-right-radius: var(--radius); }

.route { display: grid; grid-template-columns: minmax(220px, 300px) 1fr; gap: clamp(24px, 4vw, 56px); align-items: center; padding: clamp(28px, 3.5vw, 40px) 0; }
.route + .route { border-top: 1px dashed var(--line-strong); }
.route-label h3 { display: flex; align-items: center; gap: 10px; font-size: 1.375rem; }
.route-label p { margin-top: 8px; color: var(--ash); font-size: 1rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot-ember { background: var(--ember); box-shadow: 0 0 12px var(--ember); }
.dot-signal { background: var(--signal); box-shadow: 0 0 12px var(--signal); }

.route-line { display: flex; align-items: flex-start; }
.rnode { flex: none; width: 108px; display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.rbox { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; border: 1px solid var(--line-strong); background: rgba(236, 231, 220, 0.04); color: var(--bone); }
.rbox .ico { width: 30px; height: 30px; }
.rname { font-size: .875rem; line-height: 1.3; color: var(--ash); }
.rnode-narr .rbox { border-color: var(--signal); background: var(--signal-soft); box-shadow: 0 0 0 4px rgba(108, 207, 78, 0.08), 0 0 28px rgba(108, 207, 78, 0.25); }
.rnode-narr .rname { color: var(--bone); font-weight: 500; }

.rlink { position: relative; flex: 1 1 auto; min-width: 40px; height: 2px; margin: 31px 4px 0; }
.rcap { position: absolute; left: 50%; bottom: 12px; transform: translateX(-50%); white-space: nowrap; font-size: .8125rem; letter-spacing: .01em; }
.rlink-bad { background: repeating-linear-gradient(90deg, var(--ember) 0 9px, transparent 9px 17px); opacity: .9; }
.rlink-bad .rcap { color: var(--ember); }
.xmark { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--night-2); border: 1.5px solid var(--ember); color: var(--ember); }
.xmark .ico { width: 16px; height: 16px; stroke-width: 2.4; }
.rlink-good { background: rgba(108, 207, 78, 0.35); overflow: visible; }
.rlink-good .rcap { color: var(--signal-hi); }
.rlink-good::after {
  content: ""; position: absolute; inset: -1px 0;
  background: linear-gradient(90deg, transparent 0, var(--signal-hi) 50%, transparent 100%) no-repeat;
  background-size: 45% 100%;
  background-position: -60% 0;
  filter: drop-shadow(0 0 6px var(--signal));
  opacity: 0;
}
/* Единственная фоновая анимация: сигнал бежит по маршруту, когда схема на экране */
.route-panel.is-live .rlink-good::after { opacity: 1; animation: signal-flow 1.8s linear infinite; }
.route-panel.is-live .rlink-good + .rnode + .rlink-good::after { animation-delay: .9s; }
@keyframes signal-flow { from { background-position: -60% 0; } to { background-position: 160% 0; } }

/* Преимущества */
.benefits { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(24px, 3vw, 40px); margin-top: clamp(40px, 5vw, 64px); }
.benefits li { border-top: 2px solid var(--line-strong); padding-top: 22px; }
.benefits .ico { width: 30px; height: 30px; color: var(--signal); }
.benefits h3 { margin-top: 16px; }
.benefits p { margin-top: 8px; color: var(--ash); font-size: 1rem; }

/* ---------- Сервера в Happ ---------- */
.servers { display: grid; grid-template-columns: 1fr; gap: clamp(24px, 4vw, 48px); }
.servers-text { display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(32px, 6vw, 96px); align-items: start; }
.servers-text h2 { grid-column: 1; }
.servers-text .intro { grid-column: 1; }
.servers-text .checklist { grid-column: 2; grid-row: 1 / span 3; margin-top: 8px; }
.servers-text .btn { grid-column: 1; justify-self: start; margin-top: 28px; }
.servers-shot { order: 2; max-width: 1000px; margin: 0 auto; width: 100%; }
.servers-shot img { width: 100%; height: auto; }
.servers-shot figcaption { margin-top: 4px; font-size: .875rem; color: var(--ash-2); text-align: center; }
.servers-text .intro { margin-top: 20px; }
.checklist { display: grid; gap: 14px; margin: 28px 0 36px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist .ico { width: 22px; height: 22px; margin-top: 2px; color: var(--signal); stroke-width: 2.4; }

/* ---------- Шаги ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 36px); counter-reset: none; position: relative; }
.steps li { position: relative; padding-top: 74px; }
.steps li::before { content: ""; position: absolute; top: 25px; left: 64px; right: calc(-1 * clamp(20px, 3vw, 36px) + 12px); height: 2px; background: repeating-linear-gradient(90deg, var(--line-strong) 0 6px, transparent 6px 12px); }
.steps li:last-child::before { display: none; }
.step-num {
  position: absolute; top: 0; left: 0;
  width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center;
  border: 2px solid var(--signal); color: var(--signal-hi);
  background: rgba(15, 19, 17, 0.7);
  font: 800 1.75rem/1 var(--font-display);
}
.steps h3 { font-size: 1.25rem; }
.steps p { margin-top: 8px; color: var(--ash); font-size: 1rem; }

/* ---------- Тариф ---------- */
.price-panel {
  display: grid; grid-template-columns: 1.25fr 1fr;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.price-info { padding: clamp(28px, 5vw, 60px); }
.price-info .intro { margin-top: 18px; }
.price-info .checklist { margin-bottom: 0; }
.price-box {
  padding: clamp(28px, 5vw, 60px);
  border-left: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(108, 207, 78, 0.1), rgba(108, 207, 78, 0) 55%), rgba(10, 13, 11, 0.45);
  display: flex; flex-direction: column; justify-content: center;
}
.price-tag { display: flex; align-items: flex-start; gap: 8px; font-family: var(--font-display); font-weight: 800; line-height: .85; }
.price-num { font-size: clamp(5.5rem, 4rem + 5vw, 8.5rem); letter-spacing: -0.01em; }
.price-cur { font-size: clamp(2.5rem, 2rem + 2vw, 3.5rem); margin-top: .15em; color: var(--ash); }
.price-term { margin: 10px 0 30px; color: var(--ash); font-size: 1.125rem; }
.price-pay { display: flex; gap: 10px; align-items: flex-start; margin-top: 18px; font-size: .9375rem; color: var(--ash); }
.price-pay .ico { width: 20px; height: 20px; margin-top: 2px; }
.price-refund { margin-top: 10px; font-size: .9375rem; color: var(--ash); }

/* ---------- Вопросы ---------- */
.faq-wrap { display: grid; grid-template-columns: minmax(240px, 1fr) 2fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.faq { border-top: 1px solid var(--line-strong); }
.faq details { border-bottom: 1px solid var(--line-strong); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 0;
  font-size: 1.1875rem; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 14px; height: 14px;
  background:
    linear-gradient(var(--signal), var(--signal)) center / 14px 2px no-repeat,
    linear-gradient(var(--signal), var(--signal)) center / 2px 14px no-repeat;
  transition: transform .2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--signal-hi); }
.faq details p { padding: 0 40px 24px 0; color: var(--ash); max-width: 44rem; }

/* ---------- Финальный призыв ---------- */
.closing { padding: 0 0 clamp(72px, 9vw, 120px); }
.closing-in { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line-strong); padding-top: clamp(40px, 5vw, 56px); }
.closing-title { font: 800 clamp(2rem, 1.4rem + 2.4vw, 3.25rem)/1 var(--font-display); text-transform: uppercase; }

/* ---------- Подвал ---------- */
.site-footer { background: rgba(9, 11, 10, 0.92); border-top: 1px solid var(--line); padding: 56px 0 40px; font-size: .9375rem; color: var(--ash); }
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; }
.foot-brand p { margin-top: 16px; max-width: 24rem; }
.foot-title { font: 600 1rem/1.3 var(--font-body); text-transform: none; color: var(--bone); margin-bottom: 14px; }
.foot-col ul { display: grid; gap: 10px; }
.foot-col a { color: var(--ash); text-decoration: none; }
.foot-col a:hover { color: var(--bone); text-decoration: underline; }
.foot-contacts li { display: flex; align-items: center; gap: 10px; }
.foot-contacts .ico { width: 18px; height: 18px; color: var(--signal); }
.foot-legal { margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--line); display: grid; gap: 12px; font-size: .875rem; color: var(--ash-2); }
.foot-legal p { max-width: 62rem; }
.foot-legal .fine { font-size: .8125rem; }

/* ---------- Внутренние страницы ---------- */
.page-head { padding: 140px 0 36px; }
.page-head h1 { font-size: clamp(2.5rem, 1.6rem + 3.4vw, 4.5rem); max-width: 16em; }
.page-head .intro { margin-top: 16px; }
.crumbs { display: flex; gap: 8px; font-size: .875rem; color: var(--ash-2); margin-bottom: 18px; }
.crumbs a { color: var(--ash); }

.doc { padding-bottom: clamp(64px, 8vw, 110px); }
.doc-body {
  max-width: 860px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 56px);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.doc-body h2 { font: 600 1.375rem/1.3 var(--font-body); text-transform: none; letter-spacing: 0; margin: 40px 0 14px; color: var(--bone); }
.doc-body h2:first-child { margin-top: 0; }
.doc-body h3 { font-size: 1.125rem; margin: 24px 0 10px; }
.doc-body p, .doc-body li { color: #cfcbc1; }
.doc-body p + p { margin-top: 12px; }
.doc-body ul { margin: 12px 0; display: grid; gap: 8px; }
.doc-body ul li { position: relative; padding-left: 22px; }
.doc-body ul li::before { content: ""; position: absolute; left: 4px; top: .7em; width: 7px; height: 2px; background: var(--signal); }
.doc-meta { color: var(--ash-2); font-size: .9375rem; margin-bottom: 28px; }
.req-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 1rem; }
.req-table th, .req-table td { text-align: left; vertical-align: top; padding: 12px 0; border-bottom: 1px solid var(--line); }
.req-table th { width: 38%; color: var(--ash); font-weight: 400; padding-right: 20px; }
.req-table td { color: var(--bone); }
.note-box { margin-top: 20px; padding: 18px 20px; border-radius: var(--radius-sm); border: 1px solid rgba(255, 138, 42, 0.35); background: var(--ember-soft); color: #f3dcc6; }

/* контакты */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 20px; max-width: 860px; }
.contact-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; display: grid; gap: 6px; }
.contact-card .ico { width: 28px; height: 28px; color: var(--signal); margin-bottom: 10px; }
.contact-card .label { color: var(--ash); font-size: .9375rem; }
.contact-card a { font-size: 1.375rem; font-weight: 600; color: var(--bone); text-decoration: none; word-break: break-word; }
.contact-card a:hover { color: var(--signal-hi); }

/* ---------- Оформление заказа ---------- */
.checkout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; align-items: start; padding-bottom: clamp(64px, 8vw, 110px); }
.form-panel, .summary-panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(24px, 4vw, 44px); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.form-panel h2, .summary-panel h2 { font: 600 1.375rem/1.3 var(--font-body); text-transform: none; letter-spacing: 0; }
.field { margin-top: 22px; }
.field label { display: block; font-weight: 500; margin-bottom: 8px; }
.field .hint { font-size: .875rem; color: var(--ash); margin-top: 8px; }
.input {
  width: 100%; padding: 15px 16px;
  border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: rgba(236, 231, 220, 0.05); color: var(--bone);
  font: 400 1.0625rem/1.3 var(--font-body);
}
.input::placeholder { color: var(--ash-2); }
.input:focus { outline: none; border-color: var(--signal); box-shadow: 0 0 0 3px rgba(108, 207, 78, 0.25); }
.input[aria-invalid="true"] { border-color: var(--ember); }
.check { display: flex; gap: 12px; align-items: flex-start; margin-top: 16px; font-size: .9375rem; color: #d3cfc5; cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; flex: none; accent-color: var(--signal); cursor: pointer; }
.field-error { color: var(--ember); font-size: .9375rem; margin-top: 8px; }
.form-errors { margin-top: 20px; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid rgba(255, 138, 42, 0.45); background: var(--ember-soft); color: #f6d6bb; font-size: .9375rem; }
.form-submit { margin-top: 28px; }
.form-foot { margin-top: 14px; font-size: .875rem; color: var(--ash); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.summary-list { margin-top: 18px; display: grid; }
.summary-list div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.summary-list dt { color: var(--ash); }
.summary-list dd { margin: 0; text-align: right; }
.summary-total { display: flex; justify-content: space-between; align-items: baseline; margin-top: 18px; }
.summary-total span:first-child { font-weight: 500; }
.summary-total strong { font: 800 2.75rem/1 var(--font-display); }
.summary-note { margin-top: 18px; display: grid; gap: 10px; font-size: .9375rem; color: var(--ash); }
.summary-note p { display: flex; gap: 10px; align-items: flex-start; }
.summary-note .ico { width: 20px; height: 20px; margin-top: 2px; color: var(--signal); }

.status-box { display: flex; gap: 14px; align-items: flex-start; padding: 18px 20px; border-radius: var(--radius-sm); border: 1px solid var(--line-strong); background: rgba(236, 231, 220, 0.04); margin-top: 22px; }
.status-box .ico { width: 24px; height: 24px; color: var(--signal); margin-top: 1px; }
.status-box.warn { border-color: rgba(255, 138, 42, 0.4); background: var(--ember-soft); }
.status-box.warn .ico { color: var(--ember); }

/* ---------- 404 ---------- */
.not-found { padding: 160px 0 120px; }
.not-found .big { font: 800 clamp(6rem, 4rem + 10vw, 12rem)/.85 var(--font-display); color: var(--signal); }
.not-found h1 { font-size: clamp(2rem, 1.5rem + 2vw, 3rem); margin-top: 16px; }
.not-found p { margin: 16px 0 28px; color: var(--ash); max-width: 32rem; }

/* =========================================================
   Адаптивность
   ========================================================= */
@media (max-width: 1100px) {
  .main-nav a { padding: 8px 9px; font-size: .875rem; }
  .header-in { gap: 18px; }
  .benefits { grid-template-columns: repeat(2, 1fr); }
  .route { grid-template-columns: 1fr; gap: 26px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 8px var(--gutter) 18px;
    background: #0e1210;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.5);
    display: none;
  }
  .nav-open .main-nav { display: flex; }
  .main-nav a { padding: 14px 4px; font-size: 1.0625rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .main-nav a:last-child { border-bottom: 0; }
  .header-cta { margin-left: auto; }

  .hero::after { background-image: url("../img/hero-bg-1280.jpg"); background-position: 74% 50%; }
  .servers-text { grid-template-columns: 1fr; }
  .servers-text .checklist { grid-column: 1; grid-row: auto; margin: 28px 0 0; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps li:nth-child(2)::before { display: none; }
  .price-panel { grid-template-columns: 1fr; }
  .price-box { border-left: 0; border-top: 1px solid var(--line); }
  .faq-wrap { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
  .checkout { grid-template-columns: 1fr; }
  .summary-panel { order: -1; }
}

@media (max-width: 680px) {
  body { font-size: 1rem; }
  .header-in { height: 64px; gap: 10px; }
  .main-nav { top: 64px; }
  .brand img { width: 34px; height: 34px; }
  .brand span { font-size: 1.5rem; }
  .header-cta { padding: 9px 12px; font-size: .875rem; }

  .hero { padding: 116px 0 72px; min-height: 0; }
  .hero::after { background-position: 60% 50%; }
  .hero::before {
    background: linear-gradient(180deg, rgba(12, 15, 13, 0.5) 0%, rgba(12, 15, 13, 0.64) 50%, rgba(12, 15, 13, 0.45) 100%);
  }
  .hero-actions .btn { width: 100%; }

  /* схема маршрута — вертикально */
  .route-line { flex-direction: column; align-items: flex-start; }
  .rnode { flex-direction: row; width: auto; text-align: left; gap: 14px; }
  .rbox { width: 56px; height: 56px; }
  .rlink { width: 2px; height: 48px; min-width: 0; flex: none; margin: 4px 0 4px 27px; }
  .rlink-bad { background: repeating-linear-gradient(180deg, var(--ember) 0 8px, transparent 8px 15px); }
  .rcap { left: 22px; top: 50%; bottom: auto; transform: translateY(-50%); }
  .rlink-good::after { background: linear-gradient(180deg, transparent 0, var(--signal-hi) 50%, transparent 100%) no-repeat; background-size: 100% 45%; background-position: 0 -60%; }
  @keyframes signal-flow-v { from { background-position: 0 -60%; } to { background-position: 0 160%; } }
  .route-panel.is-live .rlink-good::after { animation-name: signal-flow-v; }

  .benefits { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; row-gap: 28px; }
  .steps li { padding: 0 0 0 72px; min-height: 52px; }
  .steps li::before { display: block; top: 60px; bottom: -22px; left: 25px; right: auto; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line-strong) 0 6px, transparent 6px 12px); }
  .steps li:nth-child(2)::before { display: block; }
  .steps li:last-child::before { display: none; }
  .faq details p { padding-right: 0; }
  .closing-in .btn { width: 100%; }
  .foot-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .req-table th, .req-table td { display: block; width: 100%; padding: 4px 0; border: 0; }
  .req-table tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .page-head { padding: 112px 0 28px; }
}

@media (max-width: 380px) {
  .header-cta { display: none; }
  .nav-toggle { margin-left: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .route-panel.is-live .rlink-good::after { animation: none; opacity: 0; }
  .rlink-good { background: var(--signal); }
  * { transition: none !important; }
}