/* elxsoftware.com — оформление портала ELX Software.
   Тёмная тема — основная; светлая не фильтр, а вторая полноценная палитра.
   Все цвета живут в токенах: ни одно правило ниже не знает конкретного цвета,
   поэтому смена темы не может забыть половину страницы. */

/* ================= токены ================= */

:root {
  --bg:            #0a0912;
  --bg-deep:       #06050d;
  --surface:       #12111d;
  --surface-2:     #191828;
  --surface-3:     #221f35;
  --border:        #272442;
  --border-strong: #383357;

  --text:   #ecebf6;
  --text-2: #a6a2c4;
  --text-3: #6f6a92;

  --accent:      #a78bfa;
  --accent-2:    #22d3ee;
  --accent-3:    #f472b6;
  --accent-ink:  #10061f;
  --accent-soft: rgba(167, 139, 250, 0.15);
  --accent-line: rgba(167, 139, 250, 0.35);

  --good:   #34d399;
  --warn:   #fbbf24;
  --danger: #fb7185;

  --shadow-1: 0 1px 2px rgba(0, 0, 0, .5);
  --shadow-2: 0 10px 30px -12px rgba(0, 0, 0, .7);
  --shadow-3: 0 30px 70px -24px rgba(0, 0, 0, .85);

  --glow:      0 0 26px -6px rgba(167, 139, 250, .55);
  --glow-2:    0 0 40px -10px rgba(34, 211, 238, .45);
  --glow-ring: 0 0 0 1px rgba(167, 139, 250, .3), 0 0 26px -6px rgba(167, 139, 250, .45);

  --radius:    16px;
  --radius-sm: 10px;
  --radius-lg: 24px;

  --ease:  cubic-bezier(.22, 1, .36, 1);
  --dur:   .3s;
  --dur-s: .18s;

  --orb-1: rgba(167, 139, 250, .30);
  --orb-2: rgba(34, 211, 238, .22);
  --orb-3: rgba(244, 114, 182, .18);

  --grid-line: rgba(150, 130, 255, .07);
  --code-bg:   #08070f;
  --glass:     rgba(18, 17, 29, .72);

  --header-h: 66px;
  --wrap:     1200px;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:            #f5f4fb;
  --bg-deep:       #eceaf6;
  --surface:       #ffffff;
  --surface-2:     #faf9fe;
  --surface-3:     #f1eefb;
  --border:        #e3dff2;
  --border-strong: #cdc6e6;

  --text:   #17142b;
  --text-2: #565073;
  --text-3: #857fa4;

  --accent:      #7c3aed;
  --accent-2:    #0891b2;
  --accent-3:    #db2777;
  --accent-ink:  #ffffff;
  --accent-soft: rgba(124, 58, 237, .10);
  --accent-line: rgba(124, 58, 237, .28);

  --good:   #059669;
  --warn:   #b45309;
  --danger: #dc2626;

  --shadow-1: 0 1px 2px rgba(23, 20, 43, .07);
  --shadow-2: 0 12px 30px -14px rgba(23, 20, 43, .25);
  --shadow-3: 0 30px 64px -28px rgba(23, 20, 43, .3);

  --glow:      0 8px 26px -10px rgba(124, 58, 237, .5);
  --glow-2:    0 10px 34px -14px rgba(8, 145, 178, .45);
  --glow-ring: 0 0 0 1px rgba(124, 58, 237, .28), 0 8px 22px -10px rgba(124, 58, 237, .35);

  --orb-1: rgba(124, 58, 237, .18);
  --orb-2: rgba(8, 145, 178, .14);
  --orb-3: rgba(219, 39, 119, .10);

  --grid-line: rgba(60, 30, 140, .06);
  --code-bg:   #17142b;
  --glass:     rgba(255, 255, 255, .78);

  color-scheme: light;
}

/* ================= основа ================= */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, "Noto Sans", "Noto Sans JP", "Noto Sans SC", sans-serif;
  overflow-x: hidden;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

img, svg, canvas { max-width: 100%; }
img { height: auto; display: block; }

a { color: var(--accent); text-decoration: none; transition: color var(--dur-s) var(--ease); }
a:hover { color: var(--accent-2); }

h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .5em; font-weight: 650;
  text-wrap: balance; }
h1 { font-size: clamp(2.1rem, 1.3rem + 3.4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); }
h3 { font-size: 1.28rem; }
h4 { font-size: 1.08rem; }
p  { margin: 0 0 1em; }

code, kbd, pre, samp { font-family: ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace; }
code { background: var(--surface-3); border: 1px solid var(--border); border-radius: 6px;
       padding: .1em .4em; font-size: .88em; }

.wrap { width: min(var(--wrap), 100% - 40px); margin-inline: auto; }
.lead { font-size: 1.14rem; color: var(--text-2); max-width: 68ch; }
.grad {
  background: linear-gradient(115deg, var(--accent), var(--accent-2) 55%, var(--accent-3));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--accent-ink); padding: 10px 16px; border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

::selection { background: var(--accent-soft); color: var(--text); }

/* ================= анимации ================= */

@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@keyframes floatY  { 0%, 100% { transform: translate3d(0,0,0) scale(1); }
                     50%      { transform: translate3d(0,-26px,0) scale(1.06); } }
@keyframes sheen   { from { background-position: -220% 0; } to { background-position: 220% 0; } }
@keyframes pulseG  { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }

.fade-1, .fade-2, .fade-3, .fade-4, .fade-5 { animation: fadeUp .7s var(--ease) both; }
.fade-2 { animation-delay: .07s; }
.fade-3 { animation-delay: .14s; }
.fade-4 { animation-delay: .21s; }
.fade-5 { animation-delay: .28s; }

/* reveal ставится скриптом; без JS содержимое остаётся видимым — страница
   не должна зависеть от того, выполнился ли скрипт. */
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.in { opacity: 1; transform: none;
  transition: opacity .65s var(--ease), transform .65s var(--ease); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important;
                           transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

/* ================= фоновые эффекты ================= */

.orbs { position: absolute; inset: -10% -5% auto; height: 120%; pointer-events: none; z-index: 0; overflow: hidden; }
.orb {
  position: absolute; display: block; border-radius: 50%;
  filter: blur(70px); animation: floatY 15s var(--ease) infinite;
}
.orb--1 { width: 520px; height: 520px; left: -6%;  top: -18%; background: var(--orb-1); }
.orb--2 { width: 460px; height: 460px; right: -4%; top: 6%;   background: var(--orb-2); animation-delay: -5s; }
.orb--3 { width: 380px; height: 380px; left: 42%;  top: 46%;  background: var(--orb-3); animation-delay: -9s; }
.orbs--soft .orb { filter: blur(90px); opacity: .7; }

.grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 35%, transparent 78%);
}

/* ================= шапка ================= */

.hdr {
  position: sticky; top: 0; z-index: 90;
  background: var(--glass);
  backdrop-filter: saturate(1.5) blur(14px);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.hdr.is-stuck { border-bottom-color: var(--border); box-shadow: var(--shadow-2); }
.hdr__in { display: flex; align-items: center; gap: 18px; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700;
         letter-spacing: -.02em; font-size: 1.08rem; flex: none; }
.brand:hover { color: var(--text); }
.brand .logo { width: 30px; height: 30px; filter: drop-shadow(var(--glow)); }
.brand__t2 { color: var(--text-2); font-weight: 500; }
.brand--f .logo { width: 34px; height: 34px; }

.nav { display: flex; align-items: center; gap: 4px; margin-inline-start: 14px; }
.nav__btn, .nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 13px; border-radius: 10px; border: 0; background: none;
  color: var(--text-2); font: inherit; font-size: .97rem; cursor: pointer;
  transition: color var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
}
.nav__btn:hover, .nav__link:hover, .nav__btn[aria-expanded="true"] { color: var(--text); background: var(--surface-2); }
.nav__btn .ic { width: 15px; height: 15px; transition: transform var(--dur) var(--ease); }
.nav__btn[aria-expanded="true"] .ic { transform: rotate(90deg); }
.nav__item { position: relative; }

/* мегаменю */
.mega {
  position: absolute; top: calc(100% + 10px); left: 50%; translate: -50% 0;
  width: min(1080px, calc(100vw - 40px));
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.mega.is-open { opacity: 1; visibility: visible; transform: none; }
.mega__in {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); padding: 22px; overflow: hidden; position: relative;
}
.mega__in::before {
  content: ""; position: absolute; inset: 0 0 auto; height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-line), transparent);
}
.mega__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.mega__col { min-width: 0; }
.mega__cat { display: flex; gap: 10px; align-items: flex-start; padding: 10px; border-radius: 12px; color: var(--text); }
.mega__cat:hover { background: var(--surface-2); color: var(--text); }
.mega__cati { display: grid; place-items: center; width: 32px; height: 32px; flex: none;
  border-radius: 9px; background: var(--accent-soft); color: var(--accent); }
.mega__cati .ic { width: 18px; height: 18px; }
.mega__catt { display: block; font-weight: 620; font-size: .95rem; }
.mega__cats { display: block; font-size: .8rem; color: var(--text-3); line-height: 1.35; margin-top: 2px; }
.mega__list { list-style: none; margin: 4px 0 0; padding: 0; }
.mega__list a { display: flex; gap: 9px; align-items: center; padding: 7px 10px; border-radius: 10px; color: var(--text-2); }
.mega__list a:hover { background: var(--surface-2); color: var(--text); }
.mega__pi { display: grid; place-items: center; width: 24px; height: 24px; flex: none; color: var(--accent-2); }
.mega__pi .ic { width: 16px; height: 16px; }
.mega__pt { display: block; font-size: .9rem; font-weight: 550; min-width: 0; }
.mega__pt em { display: block; font-style: normal; font-size: .76rem; color: var(--text-3); font-weight: 400;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mega__foot { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.mega__all { display: inline-flex; align-items: center; gap: 7px; font-size: .92rem; font-weight: 560; }
.mega__all .ic { width: 17px; height: 17px; transition: transform var(--dur) var(--ease); }
.mega__all:hover .ic { transform: translateX(4px); }

.hdr__tools { margin-inline-start: auto; display: flex; align-items: center; gap: 8px; }

/* выпадающий список языков */
.pick { position: relative; }
.pick__btn {
  display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 11px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2);
  color: var(--text-2); font: inherit; font-size: .9rem; cursor: pointer;
  transition: border-color var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.pick__btn:hover { color: var(--text); border-color: var(--border-strong); }
.pick__btn .ic { width: 17px; height: 17px; }
.pick__cur { text-transform: uppercase; font-weight: 600; letter-spacing: .03em; }
.pick__menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 190px; padding: 6px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-3); display: grid; gap: 1px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--dur-s) var(--ease), transform var(--dur-s) var(--ease), visibility var(--dur-s);
}
.pick.is-open .pick__menu { opacity: 1; visibility: visible; transform: none; }
.pick__menu a { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 8px 11px; border-radius: 9px; color: var(--text-2); font-size: .92rem; }
.pick__menu a:hover { background: var(--surface-2); color: var(--text); }
.pick__menu a.is-cur { color: var(--accent); background: var(--accent-soft); }
.pick__menu i { font-style: normal; text-transform: uppercase; font-size: .72rem; color: var(--text-3); letter-spacing: .05em; }

.theme {
  position: relative; width: 38px; height: 38px; flex: none;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surface-2);
  color: var(--text-2); cursor: pointer; display: grid; place-items: center;
  transition: border-color var(--dur-s) var(--ease), color var(--dur-s) var(--ease), box-shadow var(--dur) var(--ease);
}
.theme:hover { color: var(--accent); border-color: var(--accent-line); box-shadow: var(--glow); }
.theme span { position: absolute; display: grid; place-items: center; transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease); }
.theme .ic { width: 18px; height: 18px; }
[data-theme="dark"]  .theme__sun  { opacity: 1; transform: none; }
[data-theme="dark"]  .theme__moon { opacity: 0; transform: rotate(-40deg) scale(.6); }
[data-theme="light"] .theme__sun  { opacity: 0; transform: rotate(40deg) scale(.6); }
[data-theme="light"] .theme__moon { opacity: 1; transform: none; }

.burger { display: none; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface-2); cursor: pointer; padding: 0; place-items: center; }
.burger span { display: block; width: 17px; height: 1.8px; background: var(--text-2); border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur-s) var(--ease); }
.burger span + span { margin-top: 4px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.8px) rotate(-45deg); }

/* мобильная шторка */
.drawer {
  display: none; overflow: hidden; max-height: 0;
  border-top: 1px solid transparent;
  transition: max-height .45s var(--ease), border-color var(--dur) var(--ease);
}
.drawer.is-open { max-height: 80vh; overflow-y: auto; border-top-color: var(--border); }
.drawer__in { padding: 14px 20px 26px; display: grid; gap: 18px; }
.drawer__grp ul { list-style: none; margin: 6px 0 0; padding: 0 0 0 40px; display: grid; gap: 2px; }
.drawer__cat { display: flex; align-items: center; gap: 10px; font-weight: 620; color: var(--text); padding: 6px 0; }
.drawer__cat .ic { width: 20px; height: 20px; color: var(--accent); }
.drawer__grp a { color: var(--text-2); padding: 5px 0; display: block; }
.drawer__grp li em { font-style: normal; color: var(--text-3); font-size: .8rem; display: block; }

/* ================= кнопки и чипы ================= */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: .98rem;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
  transition: transform var(--dur-s) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.btn .ic { width: 18px; height: 18px; }
.btn:hover { transform: translateY(-2px); }
.btn--p {
  background: linear-gradient(115deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); box-shadow: var(--glow);
}
.btn--p:hover { color: var(--accent-ink); box-shadow: var(--glow), var(--glow-2); }
.btn--g { background: var(--surface-2); border-color: var(--border); color: var(--text); }
.btn--g:hover { border-color: var(--accent-line); color: var(--text); box-shadow: var(--glow); }
.btn--dis { background: var(--surface-2); border-color: var(--border); color: var(--text-3); cursor: default; }
.btn--dis:hover { transform: none; }
.btn--sm { padding: 9px 15px; font-size: .9rem; }

.chip {
  display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface-2);
  font-size: .8rem; color: var(--text-2); text-transform: capitalize;
}
.chip .ic { width: 14px; height: 14px; }
.chip--v { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); font-variant-numeric: tabular-nums; text-transform: none; }
.chip--free { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, transparent); background: color-mix(in srgb, var(--good) 12%, transparent); }
.chip--xs { padding: 3px 8px; font-size: .72rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px;
  font-size: .84rem; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  color: var(--accent);
}
.eyebrow .ic { width: 16px; height: 16px; }
.eyebrow a { color: inherit; }

/* ================= главная ================= */

.hero { position: relative; padding: clamp(56px, 9vw, 120px) 0 clamp(40px, 6vw, 76px); overflow: hidden; }
.hero__in { position: relative; z-index: 1; text-align: center; }
.hero__h { margin: 0 auto 20px; max-width: 17ch; }
.hero__l { font-size: clamp(1.05rem, .95rem + .5vw, 1.28rem); color: var(--text-2);
           max-width: 62ch; margin: 0 auto 32px; text-wrap: pretty; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

.stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 52px 0 0; padding: 0; }
.stat { flex: 1 1 150px; max-width: 230px; padding: 18px 16px; margin: 0;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease); }
.stat:hover { border-color: var(--accent-line); box-shadow: var(--glow); transform: translateY(-3px); }
.stat dt { font-size: 1.7rem; font-weight: 700; letter-spacing: -.03em;
  background: linear-gradient(115deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat dd { margin: 4px 0 0; font-size: .87rem; color: var(--text-3); }

/* ряд категории */
.catrow { padding: clamp(38px, 5vw, 62px) 0 0; }
.catrow__h { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; }
.catrow__i { display: grid; place-items: center; width: 48px; height: 48px; flex: none;
  border-radius: 14px; background: var(--accent-soft); color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent-line); }
.catrow__i .ic { width: 24px; height: 24px; }
.catrow__h h2 { margin: 0; font-size: 1.42rem; }
.catrow__h h2 a { color: var(--text); }
.catrow__h h2 a:hover { color: var(--accent); }
.catrow__h p { margin: 3px 0 0; color: var(--text-3); font-size: .93rem; }
.catrow__all { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: .92rem; font-weight: 560; white-space: nowrap; }
.catrow__all .ic { width: 17px; height: 17px; transition: transform var(--dur) var(--ease); }
.catrow__all:hover .ic { transform: translateX(4px); }

.pgrid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.pgrid--wide { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }

.pcard {
  position: relative; display: flex; align-items: flex-start; gap: 14px; padding: 20px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text); overflow: hidden; isolation: isolate;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.pcard:hover { border-color: var(--accent-line); transform: translateY(-4px); box-shadow: var(--shadow-2), var(--glow); color: var(--text); }
.pcard__glow {
  position: absolute; inset: -40% -10% auto; height: 150px; z-index: -1;
  background: radial-gradient(60% 100% at 50% 0%, var(--accent-soft), transparent 70%);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.pcard:hover .pcard__glow { opacity: 1; }
.pcard__i { display: grid; place-items: center; width: 42px; height: 42px; flex: none;
  border-radius: 12px; background: var(--surface-3); color: var(--accent-2);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease); }
.pcard:hover .pcard__i { background: var(--accent-soft); color: var(--accent); }
.pcard__i .ic { width: 22px; height: 22px; }
.pcard__b { min-width: 0; flex: 1; }
.pcard__t { display: block; font-weight: 650; font-size: 1.02rem; letter-spacing: -.01em; }
.pcard__d { display: block; margin-top: 4px; color: var(--text-2); font-size: .9rem; line-height: 1.5; }
.pcard__m { display: flex; align-items: center; gap: 8px; margin-top: 12px; }
.plat { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 6px;
  background: var(--surface-3); color: var(--text-3); }
.plat .ic { width: 14px; height: 14px; }
.ver { font-style: normal; font-size: .76rem; color: var(--text-3); font-variant-numeric: tabular-nums;
  margin-inline-start: auto; }
.pcard__go { color: var(--text-3); flex: none; align-self: center; transition: transform var(--dur) var(--ease), color var(--dur) var(--ease); }
.pcard__go .ic { width: 19px; height: 19px; }
.pcard:hover .pcard__go { color: var(--accent); transform: translateX(4px); }

/* ================= секции и карточки ================= */

.sec { padding: clamp(38px, 5vw, 62px) 0 0; }
.sec > h2 { position: relative; padding-top: 6px; }
.sec > h2::before {
  content: ""; position: absolute; top: -10px; left: 0; width: 46px; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); margin: 0 0 6px; }
.cards--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
  position: relative; padding: 22px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card:hover { border-color: var(--accent-line); transform: translateY(-3px); box-shadow: var(--shadow-2); }
.card__i { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px;
  border-radius: 11px; background: var(--accent-soft); color: var(--accent); }
.card__i .ic { width: 21px; height: 21px; }
.card h4 { margin: 0 0 7px; }
.card p { margin: 0; color: var(--text-2); font-size: .94rem; }
.card--glow::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit;
  background: radial-gradient(120% 80% at 50% -20%, var(--accent-soft), transparent 60%);
  opacity: 0; transition: opacity var(--dur) var(--ease);
}
.card--glow:hover::after { opacity: 1; }

.ul, .ol { margin: 0 0 1.1em; padding-inline-start: 1.35em; color: var(--text-2); }
.ul li, .ol li { margin: .42em 0; }
.ul { list-style: none; padding-inline-start: 0; }
.ul > li { position: relative; padding-inline-start: 1.6em; }
.ul > li::before {
  content: ""; position: absolute; inset-inline-start: .25em; top: .62em; width: 7px; height: 7px;
  border-radius: 2px; background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.note {
  position: relative; margin: 0 0 1.2em; padding: 15px 18px 15px 20px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-inline-start: 3px solid var(--accent); border-radius: var(--radius-sm);
  color: var(--text-2); font-size: .96rem;
}
.note b { display: block; color: var(--text); margin-bottom: 4px; }
.note--warn { border-inline-start-color: var(--warn); }
.note--tip  { border-inline-start-color: var(--good); }

.tw { overflow-x: auto; margin: 0 0 1.3em; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.tbl { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 460px; }
.tbl th, .tbl td { padding: 11px 15px; text-align: start; border-bottom: 1px solid var(--border); }
.tbl th { background: var(--surface-2); color: var(--text); font-weight: 620; white-space: nowrap; }
.tbl td { color: var(--text-2); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background var(--dur-s) var(--ease); }
.tbl tbody tr:hover { background: var(--surface-2); }

.kv { display: grid; gap: 1px; margin: 0 0 1.3em; padding: 0;
  background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.kv--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.kv > div { display: flex; gap: 14px; padding: 12px 16px; background: var(--surface); }
.kv dt { color: var(--text-3); font-size: .9rem; flex: 0 0 42%; }
.kv dd { margin: 0; color: var(--text); font-size: .94rem; }

.code { margin: 0 0 1.3em; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden;
  background: var(--code-bg); }
.code__bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 14px;
  background: color-mix(in srgb, var(--code-bg) 80%, var(--accent) 6%); border-bottom: 1px solid var(--border);
  font-size: .78rem; color: #9aa3c0; letter-spacing: .04em; text-transform: uppercase; }
.code__c { border: 0; background: none; color: #9aa3c0; cursor: pointer; padding: 2px; border-radius: 6px;
  transition: color var(--dur-s) var(--ease); }
.code__c:hover { color: var(--accent); }
.code__c .ic { width: 16px; height: 16px; }
.code__c.ok { color: var(--good); }
.code pre { margin: 0; padding: 15px 16px; overflow-x: auto; }
.code code { background: none; border: 0; padding: 0; color: #d7dcf0; font-size: .875rem; line-height: 1.6; }

.faq { display: grid; gap: 10px; }
.faq__i { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--dur) var(--ease); }
.faq__i[open] { border-color: var(--accent-line); }
.faq__i summary { display: flex; align-items: center; gap: 12px; padding: 15px 18px; cursor: pointer;
  font-weight: 570; list-style: none; }
.faq__i summary::-webkit-details-marker { display: none; }
.faq__i summary .ic { width: 17px; height: 17px; margin-inline-start: auto; flex: none; color: var(--text-3);
  transition: transform var(--dur) var(--ease); }
.faq__i[open] summary .ic { transform: rotate(90deg); color: var(--accent); }
.faq__a { padding: 0 18px 16px; color: var(--text-2); font-size: .96rem; }
.faq__a > :last-child { margin-bottom: 0; }

/* ================= страницы продукта ================= */

.crumbs { padding: 16px 0 0; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0;
  font-size: .84rem; color: var(--text-3); }
.crumbs li + li::before { content: "/"; margin-inline-end: 8px; color: var(--text-3); opacity: .6; }
.crumbs a { color: var(--text-3); }
.crumbs a:hover { color: var(--accent); }

.phead { position: relative; padding: clamp(28px, 4vw, 48px) 0 8px; overflow: hidden; }
.phead h1, .phead .lead, .phead .eyebrow, .phead .phero__meta { position: relative; z-index: 1; }
.phead--doc { padding-bottom: 0; }

.phero { position: relative; padding: clamp(26px, 4vw, 46px) 0 clamp(28px, 4vw, 48px); overflow: hidden; }
.phero__in { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: clamp(24px, 4vw, 54px); align-items: center; }
.phero h1 { display: flex; align-items: center; gap: 14px; margin: 0 0 12px; font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.9rem); }
.phero__i { display: grid; place-items: center; width: 56px; height: 56px; flex: none; border-radius: 16px;
  background: var(--accent-soft); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-line), var(--glow); }
.phero__i .ic { width: 29px; height: 29px; }
.phero__i--sm { width: 26px; height: 26px; border-radius: 8px; box-shadow: none; display: inline-grid; vertical-align: middle; }
.phero__i--sm .ic { width: 15px; height: 15px; }
.phero__t { font-size: 1.16rem; color: var(--text); margin: 0 0 10px; font-weight: 520; }
.phero__s { color: var(--text-2); margin: 0 0 20px; font-size: 1rem; max-width: 60ch; }
.phero__meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
.phero__cta { display: flex; flex-wrap: wrap; gap: 12px; }

.ptabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--border);
  scrollbar-width: none; }
.ptabs::-webkit-scrollbar { display: none; }
.ptabs a { padding: 12px 16px; color: var(--text-2); font-size: .95rem; font-weight: 540; white-space: nowrap;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease); }
.ptabs a:hover { color: var(--text); }
.ptabs a.is-cur { color: var(--accent); border-bottom-color: var(--accent); }

/* снимки экрана */
.shot { margin: 0; }
.shot button { display: block; width: 100%; padding: 0; border: 1px solid var(--border); background: var(--surface-2);
  border-radius: var(--radius); overflow: hidden; cursor: zoom-in; position: relative;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.shot button:hover { border-color: var(--accent-line); transform: translateY(-3px); box-shadow: var(--shadow-3), var(--glow); }
.shot img { width: 100%; }
.shot__z { position: absolute; right: 10px; bottom: 10px; display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 9px; background: var(--glass); color: var(--text);
  backdrop-filter: blur(6px); opacity: 0; transition: opacity var(--dur) var(--ease); }
.shot button:hover .shot__z { opacity: 1; }
.shot figcaption { margin-top: 9px; font-size: .86rem; color: var(--text-3); }
.shot--hero button { box-shadow: var(--shadow-3); }

.shots { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); }
.shots--wide { grid-template-columns: repeat(auto-fill, minmax(400px, 1fr)); }

/* заглушка вместо снимка */
.stub { border: 1px dashed var(--border-strong); border-radius: var(--radius); overflow: hidden;
  background: var(--surface); box-shadow: var(--shadow-2); }
.stub__bar { display: flex; gap: 6px; padding: 11px 14px; background: var(--surface-2); border-bottom: 1px solid var(--border); }
.stub__bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--border-strong); }
.stub__body { display: grid; place-items: center; gap: 12px; padding: 54px 20px; text-align: center;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
                    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 28px 28px; }
.stub__i { display: grid; place-items: center; width: 62px; height: 62px; border-radius: 18px;
  background: var(--accent-soft); color: var(--accent); animation: pulseG 3.6s ease-in-out infinite; }
.stub__i .ic { width: 30px; height: 30px; }
.stub__t { color: var(--text-3); font-size: .9rem; }

/* лайтбокс */
.lb { position: fixed; inset: 0; z-index: 120; display: grid; place-items: center; padding: 40px 60px;
  background: rgba(4, 3, 10, .9); backdrop-filter: blur(8px); animation: fadeUp .25s var(--ease); }
.lb[hidden] { display: none; }
.lb__fig { margin: 0; max-width: 100%; max-height: 100%; text-align: center; }
.lb__fig img { max-height: 82vh; width: auto; margin: 0 auto; border-radius: 12px; box-shadow: var(--shadow-3); }
.lb__fig figcaption { margin-top: 14px; color: #cfd3e6; font-size: .92rem; }
.lb button { position: absolute; display: grid; place-items: center; width: 46px; height: 46px;
  border: 1px solid rgba(255, 255, 255, .16); border-radius: 12px; background: rgba(255, 255, 255, .07);
  color: #fff; cursor: pointer; transition: background var(--dur-s) var(--ease); }
.lb button:hover { background: rgba(255, 255, 255, .16); }
.lb button .ic { width: 22px; height: 22px; }
.lb__x { top: 20px; right: 20px; }
.lb__p { left: 16px; top: 50%; translate: 0 -50%; }
.lb__n { right: 16px; top: 50%; translate: 0 -50%; }
.lb__p .ic { transform: rotate(180deg); }

/* ================= загрузки ================= */

.dls { display: grid; gap: 10px; }
.dl { display: flex; align-items: center; gap: 14px; padding: 15px 18px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.dl:hover { border-color: var(--accent-line); transform: translateX(3px); box-shadow: var(--glow); color: var(--text); }
.dl__i { display: grid; place-items: center; width: 38px; height: 38px; flex: none; border-radius: 10px;
  background: var(--surface-3); color: var(--accent-2); }
.dl__i .ic { width: 20px; height: 20px; }
.dl__b { min-width: 0; flex: 1; }
.dl__t { display: block; font-weight: 570; font-size: .98rem; }
.dl__f { display: block; font-size: .8rem; color: var(--text-3); font-family: ui-monospace, Consolas, monospace;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dl__m { display: flex; align-items: center; gap: 8px; flex: none; }
.dl__s { font-style: normal; font-size: .82rem; color: var(--text-3); font-variant-numeric: tabular-nums; }
.dl__go { color: var(--text-3); flex: none; transition: color var(--dur) var(--ease), transform var(--dur) var(--ease); }
.dl__go .ic { width: 19px; height: 19px; }
.dl:hover .dl__go { color: var(--accent); transform: translateY(2px); }

.dlgrp { margin: 0 0 26px; }
.dlgrp__h { display: flex; align-items: center; gap: 12px; padding: 10px 0 14px; color: var(--text); }
.dlgrp__h:hover { color: var(--accent); }
.dlgrp__i { display: grid; place-items: center; width: 34px; height: 34px; flex: none; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent); }
.dlgrp__i .ic { width: 18px; height: 18px; }
.dlgrp__t { font-weight: 620; }
.dlgrp__t em { display: block; font-style: normal; font-weight: 400; font-size: .84rem; color: var(--text-3); }
.dlgrp__empty { padding: 14px 18px; border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  color: var(--text-3); font-size: .92rem; }

/* ================= документация ================= */

.doc { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: clamp(24px, 3vw, 48px);
  align-items: start; padding-top: 8px; }
.doc--narrow { grid-template-columns: 240px minmax(0, 1fr); }
.doc__side { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 16px; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.toc__t { font-size: .78rem; letter-spacing: .09em; text-transform: uppercase; color: var(--text-3); margin-bottom: 10px; }
.toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; max-height: 60vh; overflow-y: auto; }
.toc a { display: block; padding: 6px 10px; border-radius: 8px; color: var(--text-2); font-size: .9rem;
  border-inline-start: 2px solid transparent; }
.toc a:hover { background: var(--surface-2); color: var(--text); }
.toc a.is-cur { color: var(--accent); border-inline-start-color: var(--accent); background: var(--accent-soft); }
.doc__box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; text-align: center; }
.doc__boxt { font-weight: 620; font-size: .96rem; }
.doc__boxv { color: var(--text-3); font-size: .84rem; margin: 2px 0 12px; font-variant-numeric: tabular-nums; }
.doc__body .sec:first-child { padding-top: 20px; }
.doc__body h2 { scroll-margin-top: calc(var(--header-h) + 24px); }

/* ================= призыв к действию и подвал ================= */

.cta { position: relative; margin: clamp(56px, 8vw, 96px) 0 0; padding: clamp(44px, 6vw, 76px) 0; overflow: hidden;
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.cta::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(70% 120% at 50% 0%, var(--accent-soft), transparent 65%); }
.cta__in { position: relative; text-align: center; }
.cta__in h2 { margin: 0 0 10px; }
.cta__in p { color: var(--text-2); margin: 0 0 24px; }

.nf { position: relative; text-align: center; padding: clamp(60px, 10vw, 130px) 0; overflow: hidden; }
.nf > * { position: relative; z-index: 1; }
.nf__c { font-size: clamp(4.5rem, 3rem + 9vw, 9rem); font-weight: 800; line-height: 1; letter-spacing: -.05em; margin: 0 0 8px; }
.nf .lead { margin-inline: auto; margin-bottom: 30px; }

.ftr { margin-top: clamp(56px, 8vw, 96px); border-top: 1px solid var(--border); background: var(--bg-deep); }
.cta + .ftr { margin-top: 0; border-top: 0; }
.ftr__in { display: grid; grid-template-columns: minmax(220px, 300px) minmax(0, 1fr); gap: clamp(28px, 4vw, 56px);
  padding: clamp(40px, 5vw, 60px) 0 32px; }
.ftr__brand p { color: var(--text-3); font-size: .9rem; margin: 14px 0 0; max-width: 40ch; }
.ftr__cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 26px; }
.ftr__col h3 { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3);
  margin: 0 0 12px; font-weight: 600; }
.ftr__col h3 a { color: inherit; }
.ftr__col h3 a:hover { color: var(--accent); }
.ftr__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.ftr__col a { color: var(--text-2); font-size: .9rem; }
.ftr__col a:hover { color: var(--accent); }
.ftr__bot { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center;
  padding: 18px 0 26px; border-top: 1px solid var(--border); color: var(--text-3); font-size: .85rem; }
.ftr__langs { display: flex; flex-wrap: wrap; gap: 4px 14px; }
.ftr__langs a { color: var(--text-3); font-size: .84rem; }
.ftr__langs a:hover, .ftr__langs a.is-cur { color: var(--accent); }

/* ================= адаптив ================= */

@media (max-width: 1080px) {
  .mega__grid { grid-template-columns: repeat(3, 1fr); }
  .doc, .doc--narrow { grid-template-columns: 1fr; }
  .doc__side { position: static; }
  .toc ul { max-height: none; }
}

@media (max-width: 900px) {
  .phero__in { grid-template-columns: 1fr; }
  .phero__r { order: -1; }
  .ftr__in { grid-template-columns: 1fr; }
}

@media (max-width: 820px) {
  .nav { display: none; }
  .burger { display: grid; }
  .drawer { display: block; }
  .catrow__h { flex-wrap: wrap; }
  .catrow__all { margin-inline-start: 0; width: 100%; }
  .lb { padding: 20px 12px 40px; }
  .lb__p, .lb__n { top: auto; bottom: 12px; translate: none; }
  .lb__p { left: 30%; } .lb__n { right: 30%; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { width: calc(100% - 28px); }
  .hero__cta .btn, .phero__cta .btn { flex: 1 1 100%; }
  .kv > div { flex-direction: column; gap: 3px; }
  .kv dt { flex: none; }
  .shots, .shots--wide { grid-template-columns: 1fr; }
}