/* ============================================================
   Portal — Material 3 Expressive design system
   Tokens: color roles (M3), type scale, shape scale, motion
   ============================================================ */

/* ---------- Fonts ---------- */
@import url("https://fonts.googleapis.com/css2?family=Roboto+Flex:opsz,wght@8..144,100..1000&display=swap");

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

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-height: 100svh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; }

:focus-visible {
  outline: 3px solid var(--md-sys-color-primary);
  outline-offset: 3px;
  border-radius: 6px;
}

::selection {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.u-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   COLOR — M3 light scheme
   ============================================================ */
:root {
  --md-sys-color-primary: #633ca6;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #eadcff;
  --md-sys-color-on-primary-container: #22005d;
  --md-sys-color-primary-fixed-dim: #cdb8ff;
  --md-sys-color-secondary: #635b70;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #e9dff8;
  --md-sys-color-on-secondary-container: #1f192b;
  --md-sys-color-tertiary: #7d5260;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #ffd9e3;
  --md-sys-color-on-tertiary-container: #31111d;
  --md-sys-color-error: #b3261e;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-error-container: #f9dedc;
  --md-sys-color-on-error-container: #410e0b;

  --md-sys-color-surface: #fef7ff;
  --md-sys-color-on-surface: #1c1b20;
  --md-sys-color-surface-variant: #e7e0ec;
  --md-sys-color-on-surface-variant: #49454e;
  --md-sys-color-surface-dim: #ded8e1;
  --md-sys-color-surface-bright: #fef7ff;

  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #f8f3fb;
  --md-sys-color-surface-container: #f2ecf7;
  --md-sys-color-surface-container-high: #ece6f1;
  --md-sys-color-surface-container-highest: #e6e0eb;

  --md-sys-color-outline: #7a757f;
  --md-sys-color-outline-variant: #cac4d0;
  --md-sys-color-inverse-surface: #322f35;
  --md-sys-color-inverse-on-surface: #f5eef7;
  --md-sys-color-inverse-primary: #cdb8ff;
  --md-sys-color-scrim: #000000;
  --md-sys-color-shadow: #000000;

  --md-sys-color-accent: #0f8a80;
  --md-sys-color-on-accent: #00332f;
  --md-sys-color-accent-container: #b8f2ea;
  --md-sys-color-on-accent-container: #00332f;

  --md-sys-color-clash: #00658f;
  --md-sys-color-on-clash: #ffffff;
  --md-sys-color-clash-container: #c7e7ff;
  --md-sys-color-on-clash-container: #001e2e;

  --md-sys-color-xray: #5b45a8;
  --md-sys-color-on-xray: #ffffff;
  --md-sys-color-xray-container: #e4d9ff;
  --md-sys-color-on-xray-container: #1b0b5e;

  --state-hover: 0.08;
  --state-focus: 0.10;
  --state-press: 0.12;

  --scrim-opacity: 0.4;

  --md-ref-typeface-brand: "Roboto Flex", "Roboto", "Segoe UI Variable Text",
    "Segoe UI", system-ui, -apple-system, sans-serif;
  --md-ref-typeface-plain: var(--md-ref-typeface-brand);
}

/* ============================================================
   COLOR — M3 dark scheme (применяется по data-theme)
   ============================================================ */
[data-theme="dark"] {
  --md-sys-color-primary: #cdb8ff;
  --md-sys-color-on-primary: #381e72;
  --md-sys-color-primary-container: #4b3789;
  --md-sys-color-on-primary-container: #eadcff;
  --md-sys-color-primary-fixed-dim: #cdb8ff;
  --md-sys-color-secondary: #ccc2da;
  --md-sys-color-on-secondary: #332d41;
  --md-sys-color-secondary-container: #4a4358;
  --md-sys-color-on-secondary-container: #e9dff8;
  --md-sys-color-tertiary: #efb8c8;
  --md-sys-color-on-tertiary: #492532;
  --md-sys-color-tertiary-container: #633b48;
  --md-sys-color-on-tertiary-container: #ffd9e3;
  --md-sys-color-error: #ffb4ab;
  --md-sys-color-on-error: #690005;
  --md-sys-color-error-container: #93000a;
  --md-sys-color-on-error-container: #ffd9d6;

  --md-sys-color-surface: #131218;
  --md-sys-color-on-surface: #e5e1e9;
  --md-sys-color-surface-variant: #49454f;
  --md-sys-color-on-surface-variant: #cac4d0;
  --md-sys-color-surface-dim: #131218;
  --md-sys-color-surface-bright: #39373e;

  --md-sys-color-surface-container-lowest: #0e0d13;
  --md-sys-color-surface-container-low: #1b1a20;
  --md-sys-color-surface-container: #1f1e24;
  --md-sys-color-surface-container-high: #2a292f;
  --md-sys-color-surface-container-highest: #35343a;

  --md-sys-color-outline: #938f99;
  --md-sys-color-outline-variant: #49454f;
  --md-sys-color-inverse-surface: #e5e1e9;
  --md-sys-color-inverse-on-surface: #322f35;
  --md-sys-color-inverse-primary: #633ca6;
  --md-sys-color-scrim: #000000;
  --md-sys-color-shadow: #000000;

  --md-sys-color-accent: #4ddbc9;
  --md-sys-color-on-accent: #00382f;
  --md-sys-color-accent-container: #0c4a44;
  --md-sys-color-on-accent-container: #a5f0e5;

  --md-sys-color-clash: #6fd0ff;
  --md-sys-color-on-clash: #00344f;
  --md-sys-color-clash-container: #004766;
  --md-sys-color-on-clash-container: #c7e7ff;

  --md-sys-color-xray: #c9bcff;
  --md-sys-color-on-xray: #331f78;
  --md-sys-color-xray-container: #3a2f70;
  --md-sys-color-on-xray-container: #e4d9ff;

  --state-hover: 0.1;
  --state-focus: 0.12;
  --state-press: 0.16;

  --scrim-opacity: 0.6;
}

html[data-theme="dark"] { color-scheme: dark; }
html[data-theme="light"] { color-scheme: light; }

/* ============================================================
   SHAPE — M3 shape scale
   ============================================================ */
:root {
  --shape-none: 0px;
  --shape-xs: 6px;
  --shape-sm: 10px;
  --shape-md: 14px;
  --shape-lg: 20px;
  --shape-xl: 28px;
  --shape-xxl: 34px;
  --shape-2xl: 34px;
  --shape-3xl: 56px;
  --shape-full: 999px;
}

/* ============================================================
   MOTION — M3 emphasized / spring physics
   ============================================================ */
:root {
  --motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --motion-easing-emphasized-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
  --motion-easing-emphasized-accelerate: cubic-bezier(0.3, 0, 0.8, 0.15);

  /* M3 Expressive: пружины с перелётом (overshoot) */
  --motion-spring-fast: cubic-bezier(0.34, 1.56, 0.64, 1);
  --motion-spring-smooth: cubic-bezier(0.22, 1.2, 0.36, 1);
  --motion-spring-bouncy: cubic-bezier(0.18, 1.9, 0.5, 1);
  --motion-spring-gentle: cubic-bezier(0.34, 1.28, 0.64, 1);

  --motion-duration-short4: 200ms;
  --motion-duration-medium2: 300ms;
  --motion-duration-medium4: 400ms;
  --motion-duration-long2: 600ms;
  --motion-duration-long4: 800ms;
  --motion-duration-extra-long4: 1000ms;
}

/* Пружинный вход: затухающие колебания, а не линейное движение */
@keyframes spring-in {
  0%   { opacity: 0; translate: 0 34px; scale: 0.94; }
  55%  { opacity: 1; translate: 0 -5px;  scale: 1.014; }
  78%  { translate: 0 2px; scale: 0.996; }
  100% { opacity: 1; translate: 0 0;    scale: 1; }
}
@keyframes spring-in-x {
  0%   { opacity: 0; translate: -30px 0; scale: 0.96; }
  55%  { opacity: 1; translate: 4px 0;   scale: 1.01; }
  78%  { translate: -1px 0; scale: 0.998; }
  100% { opacity: 1; translate: 0 0;     scale: 1; }
}
/* Нажатие: squash — сплющивание по вертикали с расширением по горизонтали */
@keyframes squash {
  0%   { scale: 1 1; }
  45%  { scale: 1.045 0.9; }
  75%  { scale: 0.988 1.008; }
  100% { scale: 1 1; }
}

/* ============================================================
   TYPE — M3 type scale
   ============================================================ */
body {
  font-family: var(--md-ref-typeface-plain);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--md-sys-color-on-surface);
  background: var(--md-sys-color-surface);
  font-variation-settings: "opsz" 20;
}

.t-display-xl {
  font-size: clamp(2.4rem, 7.8vw, 5.5rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.035em;
  font-variation-settings: "opsz" 144;
  text-wrap: balance;
}
.t-display-lg {
  font-size: clamp(2.35rem, 5.6vw, 3.75rem);
  line-height: 1.06;
  font-weight: 750;
  letter-spacing: -0.028em;
  font-variation-settings: "opsz" 120;
  text-wrap: balance;
}
.t-headline-lg {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.14;
  font-weight: 700;
  letter-spacing: -0.022em;
  font-variation-settings: "opsz" 96;
  text-wrap: balance;
}
.t-headline-md {
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.018em;
  font-variation-settings: "opsz" 64;
}
.t-headline-sm {
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 650;
  letter-spacing: -0.012em;
  font-variation-settings: "opsz" 48;
}
.t-title-lg {
  font-size: 1.375rem;
  line-height: 1.35;
  font-weight: 650;
  letter-spacing: -0.01em;
}
.t-title-md {
  font-size: 1.0625rem;
  line-height: 1.45;
  font-weight: 650;
  letter-spacing: 0;
}
.t-title-sm {
  font-size: 0.9375rem;
  line-height: 1.5;
  font-weight: 650;
}
.t-body-lg {
  font-size: 1.125rem;
  line-height: 1.6;
  font-variation-settings: "opsz" 28;
}
.t-body-md {
  font-size: 1rem;
  line-height: 1.6;
  font-variation-settings: "opsz" 20;
}
.t-body-sm {
  font-size: 0.875rem;
  line-height: 1.55;
  font-variation-settings: "opsz" 16;
}
.t-label-lg {
  font-size: 0.9375rem;
  line-height: 1.4;
  font-weight: 650;
  letter-spacing: 0.005em;
}
.t-label-md {
  font-size: 0.8125rem;
  line-height: 1.4;
  font-weight: 650;
  letter-spacing: 0.03em;
}
.t-label-sm {
  font-size: 0.6875rem;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.t-numeric {
  font-variation-settings: "opsz" 96;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.text-primary { color: var(--md-sys-color-primary); }
.text-accent { color: var(--md-sys-color-accent); }
.text-muted { color: var(--md-sys-color-on-surface-variant); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: min(1200px, 100% - 2.5rem);
  margin-inline: auto;
}
.container--narrow { width: min(860px, 100% - 2.5rem); }
.section { padding-block: clamp(4rem, 9vw, 7.5rem); position: relative; }
.stack > * + * { margin-top: var(--gap, 1rem); }

/* Защита от «раздувания» грид-треков длинным контентом */
.hero__grid > *,
.split > *,
.bento > *,
.pricing > *,
.steps > *,
.doc-layout > *,
.stats > * { min-width: 0; }

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  translate: -50% -140%;
  z-index: 100;
  padding: 0.85rem 1.4rem;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-radius: 0 0 var(--shape-md) var(--shape-md);
  font-weight: 700;
  transition: translate var(--motion-duration-medium2) var(--motion-easing-emphasized-decelerate);
}
.skip-link:focus-visible { translate: -50% 0; }

/* ============================================================
   TOP APP BAR
   ============================================================ */
.appbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 72px;
  display: flex;
  align-items: center;
  transition: background var(--motion-duration-medium2) var(--motion-easing-standard),
    box-shadow var(--motion-duration-medium2) var(--motion-easing-standard);
}
.appbar::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--md-sys-color-surface);
  opacity: 0.86;
  backdrop-filter: blur(18px) saturate(1.6);
  -webkit-backdrop-filter: blur(18px) saturate(1.6);
  border-bottom: 1px solid transparent;
  transition: border-color var(--motion-duration-medium2) var(--motion-easing-standard);
  z-index: -1;
}
.appbar.is-scrolled::before {
  border-bottom-color: var(--md-sys-color-outline-variant);
}
.appbar__inner {
  width: min(1200px, 100% - 2.5rem);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Индикатор прочитанного — «ползунок» в духе M3E */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 3px;
  width: 100%;
  transform-origin: 0 50%;
  scale: var(--progress, 0) 1;
  border-radius: 0 var(--shape-full) var(--shape-full) 0;
  background: linear-gradient(90deg, var(--md-sys-color-primary), var(--md-sys-color-accent));
  z-index: 2;
  transition: scale var(--motion-duration-medium2) var(--motion-spring-gentle);
}
@media (max-width: 767px) { .scroll-progress { display: none; } }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.125rem;
  margin-right: auto;
}
.brand__mark {
  width: 40px;
  height: 40px;
  border-radius: var(--shape-md);
  background: linear-gradient(140deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-accent) 100%);
  display: grid;
  place-items: center;
  color: var(--md-sys-color-on-primary);
  box-shadow: 0 4px 16px -6px var(--md-sys-color-primary);
}
.brand__mark svg { width: 24px; height: 24px; }
.appbar .appbar__nav {
  display: none;
  align-items: center;
  gap: 0.25rem;
}
@media (min-width: 1080px) { .appbar .appbar__nav { display: flex; } }
.appbar__burger { display: grid; }
@media (min-width: 1080px) { .appbar .appbar__burger { display: none; } }
.nav-link {
  position: relative;
  padding: 0.6rem 0.9rem;
  border-radius: var(--shape-full);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--md-sys-color-on-surface-variant);
  transition: color var(--motion-duration-short4) var(--motion-easing-standard),
    background var(--motion-duration-short4) var(--motion-easing-standard);
}
.nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--motion-duration-short4) var(--motion-easing-standard);
}
.nav-link:hover { color: var(--md-sys-color-on-surface); }
.nav-link:hover::before { opacity: var(--state-hover); }
.nav-link.is-active { color: var(--md-sys-color-on-secondary-container); background: var(--md-sys-color-secondary-container); }
.appbar__actions { display: flex; align-items: center; gap: 0.5rem; }
.appbar .appbar__cta { display: none; }
@media (min-width: 1080px) { .appbar .appbar__cta { display: inline-flex; } }
/* ============================================================
   BUTTONS — M3 (filled, tonal, outlined, text, icon, FAB)
   ============================================================ */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--md-sys-color-primary);
  --btn-ring: transparent;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0 1.5rem;
  height: 48px;
  min-width: 48px;
  border-radius: var(--shape-full);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 650;
  font-size: 0.9375rem;
  letter-spacing: 0.005em;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px var(--btn-ring);
  transition: box-shadow var(--motion-duration-medium2) var(--motion-easing-standard),
    background var(--motion-duration-short4) var(--motion-easing-standard),
    scale var(--motion-duration-medium2) var(--motion-spring-gentle);
  will-change: scale;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--motion-duration-short4) var(--motion-easing-standard);
}
.btn:hover::before { opacity: var(--state-hover); }
.btn:active {
  animation: squash var(--motion-duration-medium4) var(--motion-spring-gentle);
}

.btn--filled {
  --btn-bg: var(--md-sys-color-primary);
  --btn-fg: var(--md-sys-color-on-primary);
  box-shadow: none;
}
.btn--filled:hover {
  box-shadow: 0 6px 20px -8px var(--md-sys-color-primary);
}
.btn--tonal {
  --btn-bg: var(--md-sys-color-secondary-container);
  --btn-fg: var(--md-sys-color-on-secondary-container);
}
.btn--elevated {
  --btn-bg: var(--md-sys-color-surface-container-low);
  --btn-fg: var(--md-sys-color-primary);
  box-shadow: 0 1px 3px 1px rgb(0 0 0 / 0.15), 0 1px 2px rgb(0 0 0 / 0.3);
}
.btn--outlined {
  --btn-ring: var(--md-sys-color-outline);
  --btn-fg: var(--md-sys-color-primary);
}
.btn--text { --btn-fg: var(--md-sys-color-primary); }
.btn--lg { height: 60px; padding: 0 2rem; font-size: 1.0625rem; border-radius: var(--shape-full); }
.btn--xl { height: 68px; padding: 0 2.4rem; font-size: 1.125rem; border-radius: var(--shape-full); }
.btn--sm { height: 40px; padding: 0 1.1rem; font-size: 0.875rem; }
.btn--block { width: 100%; }
.btn--tg {
  --btn-bg: #2aabee;
  --btn-fg: #06233b;
  --btn-ring: #2aabee;
  font-weight: 750;
}
.btn--tg:hover { box-shadow: 0 8px 26px -10px #2aabee; }

.icon-btn {
  position: relative;
  isolation: isolate;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: var(--shape-full);
  color: var(--md-sys-color-on-surface-variant);
  transition: background var(--motion-duration-short4) var(--motion-easing-standard),
    color var(--motion-duration-short4) var(--motion-easing-standard);
  overflow: hidden;
}
.icon-btn svg { width: 22px; height: 22px; }
.icon-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--motion-duration-short4) var(--motion-easing-standard);
}
.icon-btn:hover { color: var(--md-sys-color-on-surface); }
.icon-btn:hover::before { opacity: var(--state-hover); }
.icon-btn:active { animation: squash var(--motion-duration-medium2) var(--motion-spring-gentle); }
.icon-btn--tonal { background: var(--md-sys-color-surface-container-high); color: var(--md-sys-color-on-surface); }

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }

/* Ripple (M3 state layer) */
.ripple {
  position: absolute;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.18;
  pointer-events: none;
  transform: scale(0);
  animation: ripple-in 520ms var(--motion-easing-standard) forwards;
}
@keyframes ripple-in {
  to { transform: scale(1); opacity: 0; }
}

/* FAB menu */
.fab-wrap {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 45;
  display: none;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.85rem;
}
@media (min-width: 900px) { .fab-wrap { display: flex; } }
.fab {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 58px;
  height: 58px;
  border-radius: var(--shape-lg);
  display: grid;
  place-items: center;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: 0 6px 18px -6px rgb(0 0 0 / 0.45);
  transition: scale var(--motion-duration-medium2) var(--motion-spring-gentle);
}
.fab svg { width: 26px; height: 26px; }
.fab:active { animation: squash var(--motion-duration-medium4) var(--motion-spring-gentle); }
.fab.is-hidden { opacity: 0; pointer-events: none; translate: 0 24px; }
.fab { transition: opacity var(--motion-duration-medium2) var(--motion-easing-standard),
    translate var(--motion-duration-medium4) var(--motion-spring-gentle),
    rotate var(--motion-duration-medium4) var(--motion-spring-gentle); }
.fab-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.6rem;
}
.fab-menu[data-open="false"] {
  display: none;
}
.fab-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1.1rem 0.7rem 0.85rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  box-shadow: 0 3px 10px -3px rgb(0 0 0 / 0.4);
  font-weight: 650;
  font-size: 0.875rem;
  animation: fab-item-in var(--motion-duration-medium4) var(--motion-easing-emphasized-decelerate) backwards;
}
.fab-item svg { width: 20px; height: 20px; }
.fab-item--primary { background: #2aabee; color: #06233b; }
.fab-item:nth-child(2) { animation-delay: 40ms; }
.fab-item:nth-child(3) { animation-delay: 80ms; }
.fab-item:nth-child(4) { animation-delay: 120ms; }
@keyframes fab-item-in {
  from { opacity: 0; transform: translateY(14px) scale(0.86); }
  to { opacity: 1; transform: none; }
}

/* Mobile sticky CTA */
.sticky-cta {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 44;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--md-sys-color-surface) 88%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--md-sys-color-outline-variant);
  display: flex;
  gap: 0.6rem;
  translate: 0 110%;
  transition: translate var(--motion-duration-long2) var(--motion-easing-emphasized-decelerate);
}
.sticky-cta.is-visible { translate: 0 0; }
@media (min-width: 900px) { .sticky-cta { display: none; } }
body { padding-bottom: 5.5rem; }
@media (min-width: 900px) { body { padding-bottom: 0; } }

/* ============================================================
   CHIPS / BADGES
   ============================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  height: 34px;
  padding: 0 0.9rem;
  border-radius: var(--shape-sm);
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface-variant);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  white-space: nowrap;
}
.chip svg { width: 16px; height: 16px; }
.chip--primary {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  box-shadow: none;
}
.chip--accent {
  background: var(--md-sys-color-accent-container);
  color: var(--md-sys-color-on-accent-container);
  box-shadow: none;
}
.chip--dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 currentColor;
  animation: pulse-dot 2.4s var(--motion-easing-standard) infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, currentColor 60%, transparent); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.chip--pill { border-radius: var(--shape-full); }
.hero__meta .chip { white-space: normal; text-align: left; height: auto; padding-block: 0.45rem; }

/* ============================================================
   CARDS
   ============================================================ */
.card {
  position: relative;
  border-radius: var(--shape-xl);
  background: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-on-surface);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  transition: transform var(--motion-duration-medium4) var(--motion-easing-emphasized),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard),
    background var(--motion-duration-medium4) var(--motion-easing-standard);
}
.card--filled { background: var(--md-sys-color-surface-container-highest); box-shadow: none; }
.card--tonal { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); box-shadow: none; }
.card--primary { background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container); box-shadow: none; }
.card--elevated {
  background: var(--md-sys-color-surface-container-low);
  box-shadow: 0 1px 3px 1px rgb(0 0 0 / 0.12), 0 4px 14px -4px rgb(0 0 0 / 0.25);
  transition: translate var(--motion-duration-long2) var(--motion-spring-gentle),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard);
}
.card--elevated:hover {
  translate: 0 -4px;
  box-shadow: 0 2px 6px 2px rgb(0 0 0 / 0.16), 0 16px 36px -16px rgb(0 0 0 / 0.5);
}
.card--hover:hover {
  translate: 0 -6px;
  scale: 1.014;
  background: var(--md-sys-color-surface-container);
  box-shadow: 0 2px 6px 2px rgb(0 0 0 / 0.14), 0 18px 40px -18px rgb(0 0 0 / 0.45);
}
.card--hover {
  transition: translate var(--motion-duration-long2) var(--motion-spring-gentle),
    scale var(--motion-duration-long2) var(--motion-spring-gentle),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard),
    background var(--motion-duration-medium4) var(--motion-easing-standard);
}
.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: var(--shape-md);
  display: grid;
  place-items: center;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}
.icon-badge svg { width: 26px; height: 26px; }
.icon-badge--accent { background: var(--md-sys-color-accent-container); color: var(--md-sys-color-accent); }
.icon-badge--tonal { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); }
.icon-badge--lg { width: 64px; height: 64px; border-radius: var(--shape-lg); }
.icon-badge--lg svg { width: 32px; height: 32px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(2.5rem, 7vw, 5.5rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}
.aurora {
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  z-index: -2;
  filter: blur(90px);
  opacity: 0.55;
  pointer-events: none;
}
.aurora span {
  position: absolute;
  border-radius: 50%;
  display: block;
  animation: drift 22s ease-in-out infinite alternate;
}
.aurora span:nth-child(1) {
  width: 42vw; height: 42vw;
  left: 4%; top: 2%;
  background: radial-gradient(circle, var(--md-sys-color-primary), transparent 68%);
}
.aurora span:nth-child(2) {
  width: 36vw; height: 36vw;
  right: 6%; top: 12%;
  background: radial-gradient(circle, var(--md-sys-color-accent), transparent 68%);
  animation-delay: -6s;
  animation-duration: 26s;
}
.aurora span:nth-child(3) {
  width: 34vw; height: 34vw;
  left: 34%; top: 48%;
  background: radial-gradient(circle, var(--md-sys-color-tertiary), transparent 66%);
  animation-delay: -12s;
  animation-duration: 30s;
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(6%, -7%, 0) scale(1.16); }
}
.grain {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(var(--md-sys-color-outline) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 75% 60% at 50% 30%, #000 10%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 75% 60% at 50% 30%, #000 10%, transparent 75%);
  opacity: 0.18;
}

.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr); }
}
.hero__badge-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.6rem; }
.hero__title { margin-bottom: 1.3rem; }
.hero__title .gradient-text {
  background: linear-gradient(100deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-accent) 55%, var(--md-sys-color-primary) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shift-hue 9s var(--motion-easing-standard) infinite alternate;
}
@keyframes shift-hue {
  to { background-position: 100% 0; }
}
.hero__lead {
  max-width: 54ch;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 2rem;
  text-wrap: pretty;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 2.4rem;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
}
.hero__meta li { display: flex; align-items: center; gap: 0.45rem; }
.hero__meta svg { width: 17px; height: 17px; color: var(--md-sys-color-accent); flex: none; }

/* Hero visual — "portal" */
.portal {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  isolation: isolate;
}
.portal__rings {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.portal__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--md-sys-color-outline-variant);
}
.portal__ring--1 { inset: 2%; border-color: color-mix(in srgb, var(--md-sys-color-primary) 30%, transparent); }
.portal__ring--2 { inset: 14%; border-color: color-mix(in srgb, var(--md-sys-color-accent) 28%, transparent); }
.portal__ring--3 { inset: 26%; border-color: var(--md-sys-color-outline-variant); }
.portal__spin {
  position: absolute;
  inset: 3%;
  border-radius: 50%;
  background: conic-gradient(from 0deg,
    transparent 0deg,
    var(--md-sys-color-primary) 55deg,
    transparent 145deg,
    transparent 215deg,
    var(--md-sys-color-accent) 300deg,
    transparent 360deg);
  -webkit-mask: radial-gradient(closest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
  mask: radial-gradient(closest-side, transparent calc(100% - 4px), #000 calc(100% - 4px));
  animation: spin 16s linear infinite;
}
.portal__spin--inner {
  inset: 16%;
  animation-duration: 22s;
  animation-direction: reverse;
  opacity: 0.75;
}
@keyframes spin { to { rotate: 360deg; } }

.portal__core {
  position: relative;
  z-index: 2;
  width: min(74%, 340px);
  padding: 1.6rem;
  border-radius: var(--shape-xxl);
  background: color-mix(in srgb, var(--md-sys-color-surface-container-high) 88%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 0 0 1px var(--md-sys-color-outline-variant),
    0 30px 70px -30px rgb(0 0 0 / 0.6);
  animation: float 7s var(--motion-easing-standard) infinite alternate;
}
@keyframes float {
  from { transform: translateY(-10px) rotate(-1deg); }
  to { transform: translateY(10px) rotate(1deg); }
}
.portal__core-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}
.portal__core-head .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--md-sys-color-accent);
  animation: pulse-dot 2s infinite;
}
.portal__speed {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.15rem;
}
.portal__speed b { font-size: 2.75rem; font-weight: 800; letter-spacing: -0.045em; font-variation-settings: "opsz" 120; }
.portal__speed span { font-size: 1rem; font-weight: 650; color: var(--md-sys-color-on-surface-variant); }
.portal__bar {
  height: 7px;
  border-radius: var(--shape-full);
  background: var(--md-sys-color-surface-container-highest);
  overflow: hidden;
  margin-top: 0.9rem;
}
.portal__bar i {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--md-sys-color-primary), var(--md-sys-color-accent));
  animation: bar 3.4s var(--motion-easing-standard) infinite alternate;
}
@keyframes bar { to { width: 92%; } }
.portal__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-top: 1.2rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
.portal__stats dt { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: var(--md-sys-color-on-surface-variant); }
.portal__stats dd { margin: 0; font-size: 1rem; font-weight: 750; }

.float-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.95rem;
  border-radius: var(--shape-full);
  background: var(--md-sys-color-surface-container-highest);
  box-shadow: 0 0 0 1px var(--md-sys-color-outline-variant), 0 12px 28px -14px rgb(0 0 0 / 0.6);
  font-size: 0.8125rem;
  font-weight: 700;
  white-space: nowrap;
}
.float-chip svg { width: 16px; height: 16px; color: var(--md-sys-color-primary); }
.float-chip--1 { top: 6%; left: 0; animation: float 6s var(--motion-easing-standard) -1s infinite alternate; }
.float-chip--2 { top: 30%; right: 0; animation: float 8s var(--motion-easing-standard) -3s infinite alternate; }
.float-chip--3 { bottom: 24%; left: 0; animation: float 7.4s var(--motion-easing-standard) -5s infinite alternate; }
.float-chip--4 { bottom: 4%; right: 4%; animation: float 9s var(--motion-easing-standard) -2s infinite alternate; }
@media (max-width: 620px) {
  .float-chip { font-size: 0.6875rem; padding: 0.45rem 0.7rem; }
  .float-chip--3 { display: none; }
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}
.section-head--center { margin-inline: auto; text-align: center; }
.section-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--md-sys-color-primary);
}

/* ============================================================
   STATS
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--md-sys-color-outline-variant);
  border-radius: var(--shape-xl);
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--md-sys-color-outline-variant);
}
@media (min-width: 860px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.stat {
  background: var(--md-sys-color-surface-container-low);
  padding: clamp(1.4rem, 3vw, 2rem);
}
.stat b {
  display: block;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variation-settings: "opsz" 144;
  background: linear-gradient(120deg, var(--md-sys-color-primary), var(--md-sys-color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span { display: block; margin-top: 0.55rem; color: var(--md-sys-color-on-surface-variant); }

/* ============================================================
   BENTO FEATURES
   ============================================================ */
.bento {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 270px), 1fr));
}
.bento .card { padding: clamp(1.5rem, 3vw, 2rem); overflow: hidden; }
.bento--wide { grid-column: span 2; }
@media (max-width: 720px) { .bento--wide { grid-column: span 1; } }
.bento .card h3 { margin: 1.1rem 0 0.55rem; }
.bento .card p { color: var(--md-sys-color-on-surface-variant); text-wrap: pretty; }
.bento__list { margin-top: 1.1rem; display: grid; gap: 0.55rem; }
.bento__list li { display: flex; align-items: center; gap: 0.55rem; font-size: 0.9375rem; font-weight: 600; }
.bento__list svg { width: 17px; height: 17px; flex: none; color: var(--md-sys-color-accent); }
.speed-figure {
  margin-top: 1.4rem;
  display: flex;
  align-items: flex-end;
  gap: 0.35rem;
}
.speed-figure b {
  font-size: clamp(2.75rem, 7vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.9;
  font-variation-settings: "opsz" 144;
}
.speed-figure span { font-weight: 700; color: var(--md-sys-color-on-surface-variant); padding-bottom: 0.35rem; }
.bars { margin-top: 1.5rem; display: flex; align-items: flex-end; gap: 0.5rem; height: 74px; }
.bars i {
  flex: 1;
  border-radius: var(--shape-xs) var(--shape-xs) 2px 2px;
  background: linear-gradient(180deg, var(--md-sys-color-primary), color-mix(in srgb, var(--md-sys-color-primary) 25%, transparent));
  animation: grow var(--motion-duration-long2) var(--motion-easing-emphasized-decelerate) backwards;
}
.bars i:nth-child(1) { height: 30%; animation-delay: 0ms; }
.bars i:nth-child(2) { height: 55%; animation-delay: 60ms; }
.bars i:nth-child(3) { height: 42%; animation-delay: 120ms; }
.bars i:nth-child(4) { height: 78%; animation-delay: 180ms; }
.bars i:nth-child(5) { height: 62%; animation-delay: 240ms; }
.bars i:nth-child(6) { height: 96%; animation-delay: 300ms; }
.bars i:nth-child(7) { height: 71%; animation-delay: 360ms; }
.bars i:nth-child(8) { height: 88%; animation-delay: 420ms; }
@keyframes grow { from { scale: 1 0.05; opacity: 0; } to { scale: 1 1; opacity: 1; } }

/* ============================================================
   STEPS
   ============================================================ */
.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}
@media (min-width: 880px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2rem);
  border-radius: var(--shape-xl);
  background: var(--md-sys-color-surface-container);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  overflow: hidden;
  counter-increment: step;
  transition: transform var(--motion-duration-medium4) var(--motion-easing-emphasized);
}
.step:hover { transform: translateY(-4px); }
.step::after {
  content: counter(step);
  position: absolute;
  top: -0.4rem;
  right: 0.5rem;
  font-size: 5.5rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--md-sys-color-primary);
  opacity: 0.1;
  font-variation-settings: "opsz" 144;
}
.step__num {
  width: 44px;
  height: 44px;
  border-radius: var(--shape-full);
  display: grid;
  place-items: center;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-weight: 800;
  margin-bottom: 1.1rem;
}
.step h3 { margin-bottom: 0.5rem; }
.step p { color: var(--md-sys-color-on-surface-variant); position: relative; z-index: 1; text-wrap: pretty; }

/* ============================================================
   DEVICES / PROTOCOLS
   ============================================================ */
.platform {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.platform .chip { height: 40px; padding: 0 1.05rem; font-size: 0.875rem; }

.split {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 980px) { .split { grid-template-columns: 1fr 1fr; } }
.split__lead { color: var(--md-sys-color-on-surface-variant); margin-block: 1.2rem 2rem; text-wrap: pretty; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  align-items: stretch;
}
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: clamp(1.5rem, 3vw, 1.9rem);
  border-radius: var(--shape-xxl);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  transition: transform var(--motion-duration-medium4) var(--motion-easing-emphasized),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard);
}
.plan:hover { transform: translateY(-6px); box-shadow: 0 24px 50px -26px rgb(0 0 0 / 0.55); }
.plan--featured {
  background: linear-gradient(170deg, var(--md-sys-color-primary-container), var(--md-sys-color-surface-container-high));
  box-shadow: 0 0 0 2px var(--md-sys-color-primary), 0 24px 60px -28px var(--md-sys-color-primary);
}
@media (min-width: 1000px) {
  .plan--featured { scale: 1.035; z-index: 2; }
  .plan--featured:hover { scale: 1.045; }
}
.plan__tag {
  position: absolute;
  top: -13px;
  left: 50%;
  translate: -50% 0;
  padding: 0.35rem 0.85rem;
  border-radius: var(--shape-full);
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.plan__name { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; }
.plan__price { display: flex; align-items: baseline; gap: 0.3rem; }
.plan__price b {
  font-size: clamp(2.4rem, 5vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  font-variation-settings: "opsz" 144;
}
.plan__price s { color: var(--md-sys-color-on-surface-variant); font-weight: 600; font-size: 0.9375rem; }
.plan__per { font-size: 0.875rem; color: var(--md-sys-color-on-surface-variant); font-weight: 600; }
.plan__features { display: grid; gap: 0.6rem; margin-top: 0.2rem; }
.plan__features li { display: flex; gap: 0.6rem; align-items: flex-start; font-size: 0.9375rem; color: var(--md-sys-color-on-surface-variant); }
.plan__features svg { width: 18px; height: 18px; flex: none; margin-top: 2px; color: var(--md-sys-color-accent); }
.plan .btn { margin-top: auto; }
.pricing--2 { max-width: 700px; margin-inline: auto; }
.pricing-note {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
}
.pricing-note--card {
  max-width: 700px;
  margin: 1.25rem auto 0;
  text-align: left;
}

/* ============================================================
   NOTE — врезка с акцентом
   ============================================================ */
.note {
  display: flex;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-high);
  border-left: 4px solid var(--md-sys-color-accent);
  color: var(--md-sys-color-on-surface-variant);
  text-wrap: pretty;
}
.note > svg {
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 2px;
  color: var(--md-sys-color-accent);
}
.note b { color: var(--md-sys-color-on-surface); }
.note--primary { border-left-color: var(--md-sys-color-primary); }
.note--primary > svg { color: var(--md-sys-color-primary); }

/* ============================================================
   SPEC — таблица характеристик
   ============================================================ */
.spec {
  border-radius: var(--shape-xl);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  overflow: hidden;
}
.spec__row {
  display: grid;
  grid-template-columns: minmax(150px, 27%) 1fr;
  gap: 0.45rem 1.5rem;
  padding: 1.05rem 1.5rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
.spec__row:first-child { border-top: 0; }
.spec dt {
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 600;
  font-size: 0.9375rem;
}
.spec dd { margin: 0; font-weight: 600; font-size: 0.9375rem; }
.spec dd .chip { margin: 3px 5px 3px 0; height: 30px; font-size: 0.75rem; }
@media (max-width: 620px) {
  .spec__row { grid-template-columns: 1fr; gap: 0.3rem; padding: 0.95rem 1.15rem; }
}

/* ============================================================
   CLIENTS — Clash / Xray
   ============================================================ */
.client-groups {
  display: grid;
  gap: 1rem;
  margin-top: 0.5rem;
}
.client-group {
  padding: 1.15rem 1.3rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  transition: translate var(--motion-duration-long2) var(--motion-spring-gentle),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard);
}
.client-group:hover {
  translate: 0 -3px;
  box-shadow: 0 2px 6px 2px rgb(0 0 0 / 0.12), 0 14px 30px -16px rgb(0 0 0 / 0.45);
}
.client-group__head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.85rem;
}
.client-group__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex: none;
}
.client-group__name { font-weight: 750; font-size: 1rem; }
.client-group__count {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--shape-full);
}
.client-group--clash { background: var(--md-sys-color-clash-container); box-shadow: none; }
.client-group--clash .client-group__dot { background: var(--md-sys-color-clash); }
.client-group--clash .client-group__name,
.client-group--clash .client-group__desc { color: var(--md-sys-color-on-clash-container); }
.client-group--clash .client-group__count {
  background: var(--md-sys-color-clash);
  color: var(--md-sys-color-on-clash);
}
.client-group--xray { background: var(--md-sys-color-xray-container); box-shadow: none; }
.client-group--xray .client-group__dot { background: var(--md-sys-color-xray); }
.client-group--xray .client-group__name,
.client-group--xray .client-group__desc { color: var(--md-sys-color-on-xray-container); }
.client-group--xray .client-group__count {
  background: var(--md-sys-color-xray);
  color: var(--md-sys-color-on-xray);
}
.client-group__desc {
  font-size: 0.8125rem;
  opacity: 0.85;
  margin-top: 0.1rem;
}
.client-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.client {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--shape-sm);
  background: color-mix(in srgb, var(--md-sys-color-surface) 55%, transparent);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.25;
  transition: scale var(--motion-duration-medium2) var(--motion-spring-gentle);
}
.client:hover { scale: 1.06; }
.client small {
  font-size: 0.6875rem;
  font-weight: 600;
  opacity: 0.7;
}

/* ============================================================
   COMPARE — сравнительная таблица тарифов
   ============================================================ */
.compare {
  border-radius: var(--shape-xl);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  overflow: hidden auto;
}
.compare table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}
.compare th,
.compare td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  font-size: 0.9375rem;
  vertical-align: middle;
}
.compare thead th {
  border-top: 0;
  font-weight: 750;
  font-size: 1rem;
  background: var(--md-sys-color-surface-container-high);
  position: sticky;
  top: 0;
}
.compare th[scope="row"] {
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 600;
  width: 30%;
  min-width: 190px;
}
.compare tbody th[scope="row"] { background: var(--md-sys-color-surface-container-lowest); }
.compare thead th.is-featured {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}
.compare tbody td.is-featured { background: color-mix(in srgb, var(--md-sys-color-primary-container) 26%, transparent); }
.compare .compare__price {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.compare .compare__price span { font-size: 0.8125rem; font-weight: 600; opacity: 0.75; letter-spacing: 0; }
.compare .yes { color: var(--md-sys-color-accent); font-weight: 750; }
.compare .no { color: var(--md-sys-color-on-surface-variant); opacity: 0.6; }
.compare .note-cell { font-size: 0.8125rem; color: var(--md-sys-color-on-surface-variant); }
.compare-scroll-hint {
  display: block;
  margin-top: 0.6rem;
  font-size: 0.75rem;
  color: var(--md-sys-color-on-surface-variant);
}
@media (min-width: 761px) { .compare-scroll-hint { display: none; } }

/* ============================================================
   ROADMAP — стрелки между шагами
   ============================================================ */
.roadmap {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .roadmap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 980px) { .roadmap { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.roadmap__item {
  position: relative;
  padding: 1.4rem 1.5rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  transition: translate var(--motion-duration-long2) var(--motion-spring-gentle),
    box-shadow var(--motion-duration-medium4) var(--motion-easing-standard);
}
.roadmap__item:hover {
  translate: 0 -5px;
  box-shadow: 0 2px 6px 2px rgb(0 0 0 / 0.12), 0 16px 34px -18px rgb(0 0 0 / 0.45);
}
/* Стрелка-коннектор между соседними шагами — только внутри одной строки */
.roadmap__item + .roadmap__item::before,
.roadmap__item + .roadmap__item::after { display: none; }

.roadmap__item + .roadmap__item::before {
  content: "";
  position: absolute;
  left: calc(-1rem - 0.5px);
  top: 50%;
  width: 1rem;
  height: 2px;
  background: var(--md-sys-color-outline);
  border-radius: var(--shape-full);
}
.roadmap__item + .roadmap__item::after {
  content: "";
  position: absolute;
  left: calc(-0.34rem - 1px);
  top: 50%;
  width: 0.42rem;
  height: 0.42rem;
  translate: 0 -50%;
  rotate: 45deg;
  border-top: 2px solid var(--md-sys-color-outline);
  border-right: 2px solid var(--md-sys-color-outline);
}
@media (min-width: 700px) and (max-width: 979.98px) {
  .roadmap__item:nth-child(2n)::before,
  .roadmap__item:nth-child(2n)::after { display: block; }
}
@media (min-width: 980px) {
  .roadmap__item:nth-child(3n + 2)::before,
  .roadmap__item:nth-child(3n + 3)::before,
  .roadmap__item:nth-child(3n + 2)::after,
  .roadmap__item:nth-child(3n + 3)::after { display: block; }
}
.roadmap__item h3 { margin: 1rem 0 0.4rem; }
.roadmap__item p { color: var(--md-sys-color-on-surface-variant); font-size: 0.9375rem; text-wrap: pretty; }
.roadmap__item.is-current {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  box-shadow: none;
}
.roadmap__item.is-current p { color: inherit; opacity: 0.88; }
@media (max-width: 699.98px) {
  .roadmap__item + .roadmap__item::before,
  .roadmap__item + .roadmap__item::after { display: none; }
}


/* ============================================================
   ACCORDION (FAQ)
   ============================================================ */
.accordion {
  display: grid;
  gap: 0.6rem;
  max-width: 860px;
  margin-inline: auto;
}
.acc {
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  overflow: hidden;
  transition: background var(--motion-duration-short4) var(--motion-easing-standard);
}
.acc:hover { background: var(--md-sys-color-surface-container); }
.acc[open] { background: var(--md-sys-color-surface-container-high); }
.acc summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.35rem;
  cursor: pointer;
  list-style: none;
  font-weight: 650;
  font-size: 1.0625rem;
  line-height: 1.35;
  transition: color var(--motion-duration-short4) var(--motion-easing-standard);
}
.acc summary::-webkit-details-marker { display: none; }
.acc summary:hover { color: var(--md-sys-color-primary); }
.acc__chev {
  margin-left: auto;
  flex: none;
  width: 24px; height: 24px;
  color: var(--md-sys-color-on-surface-variant);
  transition: rotate var(--motion-duration-long2) var(--motion-spring-gentle),
    color var(--motion-duration-short4) var(--motion-easing-standard),
    scale var(--motion-duration-long2) var(--motion-spring-gentle);
}
.acc[open] .acc__chev { rotate: 180deg; color: var(--md-sys-color-primary); scale: 1.08; }
.acc__body {
  padding: 0 1.35rem 1.35rem;
  color: var(--md-sys-color-on-surface-variant);
  animation: acc-in var(--motion-duration-medium4) var(--motion-easing-emphasized-decelerate);
  text-wrap: pretty;
}
@keyframes acc-in {
  0%   { opacity: 0; translate: 0 -10px; }
  60%  { opacity: 1; translate: 0 2px; }
  100% { opacity: 1; translate: 0 0; }
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--shape-3xl);
  padding: clamp(2.2rem, 6vw, 4rem);
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, color-mix(in srgb, var(--md-sys-color-primary) 55%, var(--md-sys-color-accent)) 100%);
  color: var(--md-sys-color-on-primary);
  box-shadow: 0 30px 70px -34px var(--md-sys-color-primary);
}
.cta-banner::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(255 255 255 / 0.28), transparent 65%);
  z-index: -1;
  animation: float 10s var(--motion-easing-standard) infinite alternate;
}
.cta-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgb(255 255 255 / 0.16) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 80% 20%, #000, transparent 70%);
}
.cta-banner__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
}
.cta-banner h2 { max-width: 20ch; }
.cta-banner p { opacity: 0.88; max-width: 46ch; margin-top: 0.9rem; text-wrap: pretty; }
.cta-banner__actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.cta-banner .btn--tg { --btn-bg: #ffffff; --btn-fg: #06233b; --btn-ring: #ffffff; }
.cta-banner .btn--outlined { --btn-ring: rgb(255 255 255 / 0.6); --btn-fg: #ffffff; }

.copy-row {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  padding: 0.55rem 0.55rem 0.55rem 1.1rem;
  border-radius: var(--shape-full);
  background: rgb(0 0 0 / 0.16);
  font-weight: 700;
  font-size: 0.9375rem;
}
.copy-row button {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgb(255 255 255 / 0.18);
  color: #fff;
  transition: background var(--motion-duration-short4) var(--motion-easing-standard);
}
.copy-row button:hover { background: rgb(255 255 255 / 0.3); }
.copy-row svg { width: 17px; height: 17px; }

/* Snackbar */
.snackbar {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  translate: -50% 200%;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1.25rem;
  border-radius: var(--shape-xs);
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  box-shadow: 0 10px 30px -10px rgb(0 0 0 / 0.6);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: translate var(--motion-duration-medium4) var(--motion-easing-emphasized-decelerate),
    opacity var(--motion-duration-medium2) var(--motion-easing-standard);
  opacity: 0;
  visibility: hidden;
}
.snackbar.is-visible { translate: -50% 0; opacity: 1; visibility: visible; }
@media (max-width: 900px) { .snackbar { bottom: 6rem; } }
.snackbar svg { width: 18px; height: 18px; color: var(--md-sys-color-inverse-primary); }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  margin-top: clamp(3rem, 7vw, 5rem);
  border-top: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface-container-low);
  padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
}
.footer__grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  margin-bottom: 2.5rem;
}
.footer__col h4 { margin-bottom: 0.9rem; }
.footer__col ul { display: grid; gap: 0.55rem; }
.footer__col a, .footer__col button {
  font-size: 0.9375rem;
  color: var(--md-sys-color-on-surface-variant);
  text-align: left;
  transition: color var(--motion-duration-short4) var(--motion-easing-standard);
}
.footer__col a:hover, .footer__col button:hover { color: var(--md-sys-color-primary); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  font-size: 0.8125rem;
  color: var(--md-sys-color-on-surface-variant);
}
.footer__legal { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; }
.footer__disclaimer { max-width: 70ch; line-height: 1.6; opacity: 0.85; }

/* ============================================================
   DRAWER (mobile nav)
   ============================================================ */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: var(--md-sys-color-scrim);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--motion-duration-medium2) var(--motion-easing-standard);
}
.scrim.is-open { opacity: var(--scrim-opacity); pointer-events: auto; }
.drawer {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 71;
  width: min(330px, 86vw);
  padding: 1.25rem;
  background: var(--md-sys-color-surface-container-low);
  box-shadow: 0 0 0 1px var(--md-sys-color-outline-variant);
  translate: -100% 0;
  transition: translate var(--motion-duration-long2) var(--motion-easing-emphasized-decelerate);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.drawer.is-open { translate: 0 0; }
.drawer__head { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.5rem; }
.drawer__head .brand { margin-right: 0; }
.drawer nav { display: grid; gap: 0.2rem; }
.drawer nav a {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.95rem 1rem;
  border-radius: var(--shape-full);
  font-weight: 650;
  color: var(--md-sys-color-on-surface-variant);
  transition: background var(--motion-duration-short4) var(--motion-easing-standard),
    color var(--motion-duration-short4) var(--motion-easing-standard);
}
.drawer nav a:hover { background: var(--md-sys-color-surface-container-high); color: var(--md-sys-color-on-surface); }
.drawer nav a svg { width: 20px; height: 20px; }
.drawer__foot { margin-top: auto; display: grid; gap: 0.6rem; }

/* ============================================================
   LEGAL DOCS
   ============================================================ */
.doc-hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem);
}
.doc-hero h1 { margin-block: 1rem 0.9rem; }
.doc-hero p { color: var(--md-sys-color-on-surface-variant); max-width: 68ch; text-wrap: pretty; }
.doc-layout {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: clamp(3rem, 7vw, 6rem);
  align-items: start;
}
@media (min-width: 960px) {
  .doc-layout { grid-template-columns: 268px minmax(0, 1fr); }
}
.toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 0.15rem;
  padding: 1.15rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
}
@media (max-width: 959px) { .toc { display: none; } }
.toc h4 { margin-bottom: 0.6rem; }
.toc a {
  display: block;
  padding: 0.45rem 0.65rem;
  border-radius: var(--shape-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
  border-left: 2px solid transparent;
  transition: background var(--motion-duration-short4) var(--motion-easing-standard),
    color var(--motion-duration-short4) var(--motion-easing-standard);
}
.toc a:hover { background: var(--md-sys-color-surface-container-high); color: var(--md-sys-color-on-surface); }
.toc a.is-active { color: var(--md-sys-color-primary); border-left-color: var(--md-sys-color-primary); background: var(--md-sys-color-surface-container-high); }

.doc { max-width: 78ch; }
.doc h2 {
  margin: 2.75rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
  scroll-margin-top: 96px;
}
.doc h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.doc h3 { margin: 1.75rem 0 0.65rem; scroll-margin-top: 96px; }
.doc p { color: var(--md-sys-color-on-surface-variant); margin-bottom: 0.9rem; text-wrap: pretty; }
.doc ul { margin: 0 0 1rem; padding-left: 0; display: grid; gap: 0.45rem; }
.doc ul li { position: relative; padding-left: 1.4rem; color: var(--md-sys-color-on-surface-variant); }
.doc ul li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.7em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--md-sys-color-primary);
}
.doc .clause {
  color: var(--md-sys-color-on-surface);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.doc .clause + p { margin-left: 0; }
.doc callout {
  display: block;
  padding: 1.15rem 1.35rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-high);
  border-left: 4px solid var(--md-sys-color-primary);
  color: var(--md-sys-color-on-surface-variant);
  margin-block: 1.25rem;
}
.doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 2.5rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--md-sys-color-outline-variant);
}
.doc-nav {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
}
@media (min-width: 640px) { .doc-nav { grid-template-columns: 1fr 1fr; } }
.doc-nav a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--shape-lg);
  background: var(--md-sys-color-surface-container-low);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-outline-variant);
  transition: transform var(--motion-duration-medium2) var(--motion-easing-emphasized),
    background var(--motion-duration-short4) var(--motion-easing-standard);
}
.doc-nav a:hover { transform: translateY(-3px); background: var(--md-sys-color-surface-container-high); }
.doc-nav svg { width: 22px; height: 22px; flex: none; color: var(--md-sys-color-primary); }
.doc-nav b { display: block; font-size: 0.9375rem; }
.doc-nav span { font-size: 0.8125rem; color: var(--md-sys-color-on-surface-variant); }
.doc-nav .to-right { justify-content: flex-end; text-align: right; }

/* ============================================================
   SCROLL REVEAL — пружинный вход
   ============================================================ */
[data-reveal] {
  opacity: 0;
  translate: 0 26px;
  scale: 0.94;
}
[data-reveal].is-visible {
  animation: spring-in 820ms var(--motion-easing-standard) both;
  animation-delay: var(--reveal-delay, 0ms);
}
[data-reveal-x].is-visible {
  animation: spring-in-x 820ms var(--motion-easing-standard) both;
  animation-delay: var(--reveal-delay, 0ms);
}
.plan.is-visible {
  animation: spring-in 860ms var(--motion-easing-standard) both;
  animation-delay: var(--reveal-delay, 0ms);
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; translate: none; }
}

@media print {
  .appbar, .fab-wrap, .sticky-cta, .footer, .toc, .doc-nav, .doc-actions { display: none !important; }
  body { background: #fff; color: #000; padding: 0; }
}