/* Linux — стиль «терминал-хакер»: почти чёрный фон, фосфорно-зелёный и мягкий циан,
   моноширинный шрифт, едва заметные сканлайны, рамки как у tmux. */
:root {
  --bg: #050807;
  --bg2: #08100c;
  --panel: #0a140f;
  --panel2: #0f1c15;
  --line: #1a3326;
  --line2: #24503a;
  --fg: #d9f7e3;
  --txt: #b4d6c0;
  --mut: #7fa38c;
  --green: #3dff8c;
  --green2: #23c86a;
  --cyan: #74e4ea;
  --warn: #ffcf5a;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --lf-fg: var(--fg);
  --lf-muted: var(--mut);
  --lf-field: #040806;
  --lf-field-fg: var(--fg);
  --lf-border: #24503a;
  --lf-accent: #3dff8c;
  --lf-accent-fg: #03150a;
  --lf-chip: #040806;
  --lf-chip-active: #3dff8c;
  --lf-chip-active-fg: #03150a;
  --lf-radius: 2px;
  --lf-font: var(--mono);
  --lf-error: #ff6b6b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15.5px/1.6 var(--sans); }
a { color: var(--cyan); }
h1, h2, h3 { margin: 0; font-family: var(--mono); letter-spacing: -0.01em; }
code { font-family: var(--mono); color: var(--green); font-size: .94em; }
.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
svg { flex: 0 0 auto; }

/* ── шапка ── */
.top { position: sticky; top: 0; z-index: 20; background: rgba(5, 8, 7, .9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line2); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; color: var(--green); text-decoration: none; }
.logo-prompt { font: 700 20px var(--mono); color: var(--green); text-shadow: 0 0 10px rgba(61, 255, 140, .45); }
.logo-name { font: 600 19px/1.1 var(--mono); color: var(--green); }
.logo small { display: block; font: 400 11px/1 var(--mono); color: var(--mut); margin-top: 4px; }
.role { display: flex; border: 1px solid var(--line2); }
.role button { font: 500 13.5px var(--mono); color: var(--txt); background: none; border: 0; padding: 7px 16px; cursor: pointer; }
.role button + button { border-left: 1px solid var(--line2); }
.role button.is-active { background: var(--green); color: #03150a; font-weight: 700; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 50px; padding: 0 26px; background: var(--green); color: #03150a; font: 700 16px var(--mono); text-decoration: none; white-space: nowrap; border: 0; box-shadow: 0 0 0 1px var(--green), 0 0 24px rgba(61, 255, 140, .28); transition: box-shadow .15s, filter .15s; }
.btn:hover { filter: brightness(1.06); box-shadow: 0 0 0 1px var(--green), 0 0 34px rgba(61, 255, 140, .45); }
.btn-sm { height: 38px; padding: 0 16px; font-size: 14px; background: transparent; color: var(--green); box-shadow: inset 0 0 0 1px var(--green); }
.btn-sm:hover { background: rgba(61, 255, 140, .1); box-shadow: inset 0 0 0 1px var(--green); }

/* ── первый экран ── */
.hero { position: relative; padding: 34px 0 26px; overflow: hidden;
  background: radial-gradient(800px 400px at 75% 25%, rgba(61, 255, 140, .07), transparent 65%), var(--bg); }
/* сетка и сканлайны — едва заметно */
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(61, 255, 140, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(61, 255, 140, .045) 1px, transparent 1px);
  background-size: 40px 40px; mask-image: linear-gradient(180deg, #000, transparent 90%); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(180deg, rgba(0, 0, 0, .22) 0 1px, transparent 1px 3px); }
.hero-in > *, .inside > *, .form-wrap > *, .faq-wrap > *, .gift > *, .founder > *, .kak > *, .tmux-panes > * { min-width: 0; }
.hero-in { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr 1fr; gap: 44px; align-items: center; }

/* уголки рамки, как на макете */
.frame { position: relative; padding: 22px 26px 24px; }
.frame::before, .frame::after { content: ""; position: absolute; width: 22px; height: 22px; border: 2px solid var(--line2); pointer-events: none; }
.frame::before { left: 0; top: 0; border-right: 0; border-bottom: 0; }
.frame::after { right: 0; bottom: 0; border-left: 0; border-top: 0; }

.kicker { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 14px; font: 500 13px var(--mono); color: var(--cyan); }
.blink { width: 9px; height: 9px; background: var(--green); box-shadow: 0 0 10px var(--green); animation: blink 1.6s steps(2) infinite; }
h1 { font-size: 44px; line-height: 1.12; font-weight: 700; color: var(--green); text-shadow: 0 0 22px rgba(61, 255, 140, .22); }
.hl { color: var(--cyan); text-shadow: 0 0 22px rgba(116, 228, 234, .25); }
.cur { display: inline-block; width: .5em; height: .92em; margin-left: .12em; vertical-align: -.1em; background: var(--green); animation: blink 1.1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.lead { margin: 14px 0 0; font-size: 16.5px; color: var(--txt); max-width: 590px; }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.ticks li { display: flex; gap: 11px; align-items: flex-start; font-size: 15px; color: var(--fg); }
.ticks svg { width: 20px; height: 20px; margin-top: 2px; fill: none; stroke: var(--green); stroke-width: 2.6; stroke-linecap: square; border: 1px solid var(--line2); padding: 2px; }
.cta-row { display: flex; align-items: center; gap: 18px; margin-top: 22px; flex-wrap: wrap; }
.gift-chip { display: flex; align-items: center; gap: 11px; text-decoration: none; font: 12.5px/1.35 var(--mono); color: var(--mut); }
.gift-chip b { display: block; color: var(--cyan); font-weight: 600; font-size: 13.5px; }
.gift-chip svg { width: 38px; height: 38px; padding: 7px; border: 1px dashed var(--line2); fill: none; stroke: var(--green); stroke-width: 1.6; stroke-linejoin: round; }

/* окно tmux */
.hero-visual { position: relative; }
.tmux { border: 1px solid var(--line2); background: #030605; box-shadow: 0 0 0 1px rgba(61, 255, 140, .05), 0 30px 80px rgba(0, 0, 0, .6), 0 0 60px rgba(61, 255, 140, .06); }
.tmux-bar { display: flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px; border-bottom: 1px solid var(--line2); background: var(--panel); }
.tmux-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--green2); opacity: .9; }
.tmux-bar i:nth-child(2) { opacity: .6; } .tmux-bar i:nth-child(3) { background: transparent; box-shadow: inset 0 0 0 1.5px var(--green2); margin-right: 12px; }
.tmux-bar span { font: 500 12.5px var(--mono); color: var(--green); }
.tmux-panes { display: grid; grid-template-columns: 1fr 148px; }
.term { margin: 0; padding: 14px 16px; font: 12.6px/1.62 var(--mono); color: #c9e9d3; white-space: pre; overflow: auto; scrollbar-width: thin; }
.term .pr { color: var(--green); font-weight: 600; }
.term .pa { color: var(--cyan); font-weight: 600; }
.term .d { color: var(--cyan); }
.term .gn { color: var(--green2); }
.term .mt { color: #ff6b8a; font-weight: 600; }
.term .cur { height: 1.05em; vertical-align: -.2em; }
.side { border-left: 1px solid var(--line2); padding: 14px 14px; font-family: var(--mono); }
.side-h { font-size: 12px; color: var(--mut); text-transform: lowercase; padding-bottom: 10px; border-bottom: 1px solid var(--line); }
.side-h b { display: block; font-size: 15px; color: var(--green); }
.checks { list-style: none; padding: 0; margin: 10px 0 12px; display: grid; gap: 5px; }
.checks li { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--txt); }
.checks li::before { content: ""; width: 13px; height: 13px; border: 1.5px solid var(--line2); flex: 0 0 auto; }
.checks li.on { color: var(--fg); }
.checks li.on::before { border-color: var(--green); background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 6.2l2.4 2.4 4.6-5' fill='none' stroke='%2303150a' stroke-width='2'/%3E%3C/svg%3E") center/11px no-repeat; }
.bar { height: 7px; border: 1px solid var(--line2); }
.bar i { display: block; height: 100%; background: var(--green); box-shadow: 0 0 10px rgba(61, 255, 140, .5); }
.tmux-status { display: flex; gap: 14px; padding: 3px 12px; background: var(--green); font: 600 12px/1.5 var(--mono); color: #03150a; }
.tmux-status .s-on { background: #03150a; color: var(--green); padding: 0 6px; margin-left: -6px; }
.tmux-status .s-r { margin-left: auto; }

.facts { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 28px; border: 1px solid var(--line2); background: rgba(10, 20, 15, .7); }
.facts div { padding: 12px 18px; min-width: 0; }
.facts div + div { border-left: 1px dashed var(--line2); }
.facts b { display: block; font: 700 16px var(--mono); color: var(--green); }
.facts span { font-size: 13.5px; color: var(--mut); }

/* ── секции ── */
.sec { padding: 72px 0; border-top: 1px solid var(--line); }
.sec-alt { background: var(--bg2); }
.sec-tight { padding: 28px 0; }
.sec-k { margin: 0 0 12px; font: 500 13.5px var(--mono); color: var(--mut); }
.sec-k span { color: var(--green); margin-right: 8px; }
h2 { font-size: 32px; line-height: 1.2; font-weight: 700; color: var(--fg); max-width: 820px; }
h3 { font-weight: 600; }

.kak { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; margin-top: 30px; align-items: stretch; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line2); }
.steps li { padding: 20px 22px 22px; background: var(--panel); min-width: 0; }
.steps li:nth-child(odd) { border-right: 1px solid var(--line2); }
.steps li:nth-child(-n+2) { border-bottom: 1px solid var(--line2); }
.step-n { display: inline-block; font: 600 12.5px var(--mono); color: #03150a; background: var(--green); padding: 1px 7px; }
.steps h3 { margin: 12px 0 6px; font-size: 16.5px; color: var(--fg); }
.steps p { margin: 0; font-size: 14.5px; color: var(--txt); }
.kak-pic { margin: 0; border: 1px solid var(--line2); position: relative; overflow: hidden; min-height: 260px; }
.kak-pic picture, .kak-pic img { display: block; width: 100%; height: 100%; }
.kak-pic img { object-fit: cover; filter: saturate(.9); }
.kak-pic::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(180deg, rgba(0, 0, 0, .18) 0 1px, transparent 1px 3px); }

.inside { display: grid; grid-template-columns: 1.6fr 1fr; gap: 16px; margin-top: 30px; }
.inside-side { display: grid; gap: 16px; }
.shot { margin: 0; background: var(--panel); border: 1px solid var(--line2); overflow: hidden; }
.shot img, .shot video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; background: #0c1510; }
.shot-bar { display: flex; align-items: center; gap: 10px; height: 26px; padding: 0 10px; background: var(--green); font: 600 12px var(--mono); color: #03150a; }
.shot-url { margin-left: auto; font-weight: 500; }
.shot figcaption { padding: 10px 14px; font-size: 13.5px; color: var(--mut); border-top: 1px solid var(--line2); }

.prog { margin-top: 26px; border: 1px solid var(--line2); background: var(--panel); }
.prog-h { padding: 20px 22px 16px; border-bottom: 1px solid var(--line2); }
.prog-h h3 { font-size: 19px; color: var(--green); }
.prog-h p { margin: 8px 0 0; color: var(--txt); font-size: 15px; max-width: 900px; }
.mods { list-style: none; padding: 0; margin: 0; counter-reset: m; }
.mods li { counter-increment: m; display: grid; grid-template-columns: 52px 220px 1fr auto; gap: 14px; align-items: baseline; padding: 11px 22px; border-bottom: 1px dashed var(--line); }
.mods li > * { min-width: 0; }
.mods li::before { content: "m" counter(m); font: 600 13px var(--mono); color: var(--cyan); }
.mods b { font: 600 15px var(--mono); color: var(--fg); }
.mods span { font: 13.5px/1.5 var(--mono); color: var(--txt); }
.mods em { font: normal 12.5px var(--mono); color: var(--mut); white-space: nowrap; }
.prog-note { margin: 0; padding: 14px 22px 16px; font-size: 14px; color: var(--mut); }

.gift { display: grid; grid-template-columns: 400px 1fr; gap: 56px; align-items: center; }
.gift-cover { padding: 10px; border: 1px solid var(--line2); background: var(--panel); }
.gift-cover img { display: block; width: 100%; box-shadow: 0 0 40px rgba(61, 255, 140, .1); }
.gift-text > p { color: var(--txt); font-size: 16px; max-width: 620px; margin: 14px 0 0; }
.gift-list { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 9px; }
.gift-list li { display: flex; gap: 10px; font-size: 15px; }
.gift-list svg { width: 20px; height: 20px; fill: none; stroke: var(--cyan); stroke-width: 2.6; stroke-linecap: square; margin-top: 2px; }

.founder { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.founder-card { display: flex; gap: 26px; align-items: flex-start; }
.whoami { flex: 0 0 auto; width: 210px; padding: 14px 16px; border: 1px solid var(--line2); background: #030605; font: 13px/1.7 var(--mono); color: var(--fg); }
.whoami .pr { color: var(--green); }
.w-out { color: var(--cyan); margin-bottom: 4px; }
.founder-card p:not(.sec-k) { margin: 14px 0 0; color: var(--txt); font-size: 16px; }
.nums { display: grid; border: 1px solid var(--line2); }
.nums div { display: flex; align-items: baseline; gap: 16px; padding: 14px 18px; background: var(--panel); }
.nums div + div { border-top: 1px dashed var(--line2); }
.nums b { flex: 0 0 130px; font: 700 24px var(--mono); color: var(--green); }
.nums span { color: var(--txt); font-size: 14.5px; }

.reviews-empty { display: flex; gap: 20px; align-items: center; padding: 18px 22px; border: 1px dashed var(--line2); color: var(--mut); }
.re-cmd { font: 500 13.5px var(--mono); color: var(--green); white-space: nowrap; }
.reviews-empty b { display: block; color: var(--fg); font-family: var(--mono); }
.reviews-empty span { font-size: 14px; }

.faq-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 48px; }
.faq-side { color: var(--mut); font-size: 14.5px; margin-top: 12px; }
.faq { border-top: 1px solid var(--line2); }
.faq details { border-bottom: 1px solid var(--line2); }
.faq summary { list-style: none; cursor: pointer; padding: 15px 36px 15px 22px; font: 600 15.5px/1.45 var(--mono); position: relative; color: var(--fg); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: ">"; position: absolute; left: 2px; color: var(--green); }
.faq summary::after { content: "[+]"; position: absolute; right: 2px; top: 15px; font: 500 14px var(--mono); color: var(--cyan); }
.faq details[open] summary::after { content: "[−]"; }
.faq details p { margin: 0 0 16px 22px; color: var(--txt); font-size: 15px; max-width: 720px; }

.sec-form { background: radial-gradient(700px 360px at 85% 20%, rgba(61, 255, 140, .07), transparent 60%), var(--bg2); }
.form-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: start; }
.ticks-sm { margin-top: 20px; }
.form-card { position: relative; padding: 24px; background: var(--panel); border: 1px solid var(--line2); }
.form-card::before { content: "form: запись — bash"; position: absolute; left: -1px; right: -1px; top: -26px; height: 26px; padding: 0 12px; background: var(--green); font: 600 12px/26px var(--mono); color: #03150a; }
.form-card { margin-top: 26px; }
.form-card .lf-input:focus { box-shadow: 0 0 0 2px rgba(61, 255, 140, .25); }

.foot { border-top: 1px solid var(--line2); padding: 26px 0 32px; font: 13px/1.6 var(--mono); color: var(--mut); }
.foot-in { display: grid; gap: 8px; }
.foot a { color: var(--mut); }
.foot-links { display: flex; gap: 18px; flex-wrap: wrap; }

/* ── адаптив ── */
@media (max-width: 1100px) {
  .hero-in, .founder, .form-wrap, .faq-wrap, .gift, .kak { grid-template-columns: 1fr; gap: 28px; }
  .kak-pic { max-height: 360px; }
  .inside { grid-template-columns: 1fr; }
  .gift-cover { max-width: 360px; }
  .mods li { grid-template-columns: 44px 180px 1fr; }
  .mods em { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding: 0 16px; }
  .top-in { height: 54px; gap: 8px; }
  .logo-name { display: none; }
  .role button { padding: 6px 9px; font-size: 12px; }
  .btn-sm { padding: 0 10px; font-size: 12.5px; height: 34px; }
  .hero { padding: 20px 0 20px; }
  .frame { padding: 16px 14px; }
  h1 { font-size: 29px; }
  .lead { font-size: 15.5px; }
  h2 { font-size: 24px; }
  .sec { padding: 48px 0; }
  .steps { grid-template-columns: 1fr; }
  .steps li:nth-child(odd) { border-right: 0; }
  .steps li:not(:last-child) { border-bottom: 1px solid var(--line2); }
  .facts { grid-template-columns: 1fr 1fr; }
  .facts div + div { border-left: 0; }
  .facts div:nth-child(even) { border-left: 1px dashed var(--line2); }
  .facts div:nth-child(n+3) { border-top: 1px dashed var(--line2); }
  .tmux-panes { grid-template-columns: 1fr; }
  .side { display: none; }
  .term { font-size: 11px; padding: 12px; }
  .tmux-status span:nth-child(2) { display: none; }
  .cta-row .btn { width: 100%; }
  .mods li { grid-template-columns: 36px 1fr; padding: 11px 14px; }
  .mods span { grid-column: 2; }
  .prog-h, .prog-note { padding-left: 14px; padding-right: 14px; }
  .nums b { flex-basis: 96px; font-size: 20px; }
  .founder-card { flex-direction: column; gap: 16px; }
  .whoami { width: 100%; }
  .reviews-empty { flex-direction: column; align-items: flex-start; gap: 8px; }
  .form-card { padding: 16px; }
}

/* ── волна 2: фон, микротекст, граница экрана, ховеры ── */
.hero { padding-bottom: 54px; }
.hero > canvas { opacity: .9; }
/* общий модуль ставит парам ролей display: revert — бейджу возвращаем inline-flex */
body[data-role] #top .role-swap > .kicker[data-for] { display: inline-flex !important; justify-self: start; }
.btn > .role-swap { display: grid; }
.btn:active { transform: translateY(1px); filter: brightness(.95); }
.btn-sm:active { background: rgba(61, 255, 140, .18); }
.micro { margin: 10px 0 0; font: 500 12.5px var(--mono); color: var(--mut); }
.trust { margin: 6px 0 0; font: 12.5px/1.45 var(--mono); color: var(--txt); }
.trust span { color: var(--green); margin-right: 4px; }
/* низ первого экрана — строка состояния tmux */
.hero-edge { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; display: flex; gap: 16px; height: 26px; padding: 0 24px; align-items: center; background: var(--green); font: 600 12px var(--mono); color: #03150a; white-space: nowrap; overflow: hidden; }
.hero-edge .e-on { background: #03150a; color: var(--green); padding: 0 6px; }
.hero-edge .e-r { margin-left: auto; }
#top > .scroll-cue { bottom: 32px; color: var(--green); }
/* ховеры карточек: подъём, зелёная рамка, свечение (без изменения размеров) */
:is(.steps > li, .facts > div, .mods > li, .faq details, .shot, .nums > div, .gift-cover, .kak-pic, .whoami, .tmux, .form-card) {
  transition: translate .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.motion :is(.steps > li, .facts > div, .mods > li, .faq details, .shot, .nums > div, .gift-cover, .kak-pic, .whoami, .form-card):is(.rv, .rv-hero) {
  transition: opacity .65s ease var(--rv-d, 0ms), transform .65s cubic-bezier(.2, .7, .2, 1) var(--rv-d, 0ms),
    translate .2s ease, border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
:is(.steps > li, .shot, .gift-cover, .kak-pic, .whoami, .nums > div):hover { translate: 0 -3px; border-color: var(--green); box-shadow: 0 0 0 1px rgba(61, 255, 140, .35), 0 10px 30px rgba(61, 255, 140, .1); }
.facts > div:hover { background-color: rgba(61, 255, 140, .06); }
.mods > li:hover { background-color: rgba(61, 255, 140, .05); }
.faq details:hover { background-color: rgba(61, 255, 140, .04); }
.faq summary { transition: color .2s ease; }
.faq summary:hover { color: var(--green); }
.tmux:hover { box-shadow: 0 0 0 1px rgba(61, 255, 140, .25), 0 30px 80px rgba(0, 0, 0, .6), 0 0 70px rgba(61, 255, 140, .12); }
.gift-chip svg { transition: border-color .2s ease, box-shadow .2s ease; }
.gift-chip:hover svg { border-color: var(--green); box-shadow: 0 0 14px rgba(61, 255, 140, .3); }
@media (max-width: 640px) {
  .hero { padding-bottom: 44px; }
  .hero-edge { padding: 0 16px; }
  .hero-edge span:nth-child(2) { display: none; }
}