:root {
  --green: #2ecc71;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-100: #dcf7e6;
  --green-50: #eefbf3;
  --lime: #d4f76b;

  --ink: #0f1412;
  --text: #1f2937;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #f1f5f9;
  --surface-2: #f8fafc;

  --dark: #0b1016;
  --navy: #0f172a;
  --red: #ef4444;
  --orange: #f59e0b;

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 28px;

  --container: 1720px;
  --gutter: 24px;
  --header-h: 88px;

  --shadow-sm: 0 4px 14px rgba(15, 23, 42, .06);
  --shadow: 0 20px 50px rgba(15, 23, 42, .12);
  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.accent { color: var(--green-500); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--green-500);
  box-shadow: 0 0 0 5px var(--green-100);
  flex: none;
}
.eyebrow--light { color: #fff; }
.eyebrow--light::before { background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.35); border: 3px solid var(--green); }
.eyebrow--dark { color: #fff; font-size: 15px; }
.eyebrow--dark::before { background: var(--green); box-shadow: 0 0 0 4px #fff; }

.title {
  font-size: clamp(36px, 5.4vw, 76px);
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.title--light { color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 56px;
  padding: 0 34px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 18px;
  white-space: nowrap;
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid rgba(34,197,94,.45); outline-offset: 3px; }

.btn--primary { background: var(--green); color: #fff; }
.btn--primary:hover { background: var(--green-600); box-shadow: 0 12px 28px rgba(34,197,94,.35); transform: translateY(-2px); }

.btn--outline { border: 1.5px solid rgba(255,255,255,.85); color: var(--green); background: transparent; height: 76px; padding: 0 32px; font-size: 20px; font-weight: 700; border-radius: var(--radius); }
.btn--outline:hover { background: var(--green); color: #fff; border-color: var(--green); }

.btn--ghost { border: 1.5px solid var(--line); color: var(--ink); background: #fff; font-weight: 700; }
.btn--ghost:hover { border-color: var(--green); color: var(--green-600); }

.btn--white { background: #fff; color: var(--ink); font-weight: 700; }
.btn--white:hover { background: var(--ink); color: #fff; }

.btn--lg { height: 76px; font-size: 22px; padding: 0 38px; font-weight: 500; }
.btn--xl { height: 104px; padding: 0 76px; font-size: 32px; border-radius: var(--radius); }
.btn--block { width: 100%; height: 72px; }

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.header.is-scrolled { box-shadow: var(--shadow-sm); }
.header__inner { height: 100%; display: flex; align-items: center; gap: 32px; }

.logo { display: inline-flex; align-items: center; gap: 8px; flex: none; }
.logo__text {
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--ink);
  line-height: 1;
  transform: scaleX(1.06);
  transform-origin: left;
  margin-right: 4px;
}
.logo__badge {
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 28px;
  line-height: 1;
  padding: 6px 8px 7px;
  border-radius: 6px;
}
.logo--light .logo__text { color: #fff; }

.nav { display: flex; align-items: center; gap: 30px; margin-left: auto; }
.nav__link { white-space: nowrap; font-size: 20px; font-weight: 500; color: var(--ink); position: relative; padding: 6px 0; transition: color .2s; }
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--green); border-radius: 2px;
  transform: scaleX(0); transition: transform .25s var(--ease);
}
.nav__link:hover, .nav__link.is-active { color: var(--green-600); }
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__cta { display: none; }

.header__cta { margin-left: auto; height: 60px; font-size: 21px; font-weight: 500; padding: 0 38px; border-radius: 12px; }

.burger { display: none; width: 44px; height: 44px; margin-left: auto; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 28px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { padding: 90px 0 120px; overflow: hidden; }
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; }

.hero__title {
  font-size: clamp(44px, 7vw, 100px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-bottom: 36px;
}
.hero__text { font-size: clamp(18px, 2vw, 32px); line-height: 1.3; color: var(--muted); max-width: 780px; margin-bottom: 44px; }

.hero__visual { position: relative; min-height: 640px; }
.hero__blob {
  position: absolute; width: 680px; height: 680px; border-radius: 50%;
  left: 50%; top: 50%; transform: translate(-36%, -50%);
  background: radial-gradient(circle at 40% 30%, #c9f7d8 0%, #9cebb8 60%, #8be3aa 100%);
  filter: saturate(1.05);
}
.hero__ring {
  position: absolute; width: 320px; height: 320px; border-radius: 50%;
  right: -60px; top: 0;
  border: 58px solid var(--lime);
  opacity: .95;
  animation: float 8s ease-in-out infinite;
}

.tablet {
  position: absolute; left: 6%; top: 15%;
  width: 720px; max-width: 115%;
  aspect-ratio: 720 / 510;
  display: flex;
  background: #fff;
  border: 12px solid #18201c;
  border-radius: 28px;
  box-shadow: -30px 40px 70px rgba(15,23,42,.22);
  transform: perspective(1600px) rotateY(-6deg) rotateZ(-1.5deg);
  overflow: hidden;
}
.tablet__side { width: 76px; background: #f8fafc; border-right: 1px solid var(--line); display: flex; flex-direction: column; align-items: center; gap: 30px; padding-top: 24px; }
.tablet__side svg { width: 22px; height: 22px; fill: none; stroke: #94a3b8; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.tablet__plus { width: 38px; height: 38px; border-radius: 10px; background: var(--green); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 20px; }
.tablet__main { flex: 1; padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.tablet__head { display: flex; justify-content: space-between; align-items: flex-start; }
.tablet__head small { display: block; font-size: 12px; color: var(--muted); }
.tablet__head strong { font-size: 20px; font-weight: 600; color: var(--ink); }
.tablet__avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--green-50); color: var(--ink); display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.tablet__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.kpi { border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 6px; }
.kpi small { font-size: 11px; color: var(--muted); }
.kpi b { font-size: 19px; font-weight: 600; color: var(--ink); }
.kpi em { font-style: normal; font-size: 10px; }
.kpi .up { color: var(--green-500); }
.kpi .warn { color: var(--orange); }

.chart { flex: 1; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px 26px; display: flex; flex-direction: column; }
.chart__head { display: flex; justify-content: space-between; align-items: baseline; }
.chart__head strong { font-size: 14px; font-weight: 600; color: var(--ink); }
.chart__head small { font-size: 11px; color: var(--muted); }
.chart__bars { flex: 1; display: flex; align-items: flex-end; gap: 18px; padding-top: 20px; }
.bar { flex: 1; height: 100%; position: relative; }
.bar::before, .bar::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; border-radius: 4px 4px 0 0; transform-origin: bottom; transform: scaleY(0); transition: transform 1s var(--ease); }
.bar::before { height: var(--b); background: #d6f5e1; }
.bar::after { height: var(--a); background: var(--green-500); transition-delay: .15s; }
.bar span { position: absolute; bottom: -20px; left: 0; right: 0; text-align: center; font-size: 11px; color: var(--muted); }
.is-loaded .bar::before, .is-loaded .bar::after { transform: scaleY(1); }

.toast {
  position: absolute; right: -1%; bottom: 9%;
  background: #fff; border-radius: 14px; padding: 14px 18px;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  animation: float 6s ease-in-out infinite reverse;
}
.toast strong { font-size: 14px; font-weight: 600; color: var(--ink); }
.toast small { font-size: 11px; color: var(--muted); }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.section { padding: 120px 0; }
.section--tight { padding: 40px 0; }
.section__head { display: grid; grid-template-columns: 1fr minmax(260px, 480px); gap: 40px; align-items: start; margin-bottom: 70px; }
.section__lead { font-size: 21px; line-height: 1.45; color: var(--muted); padding-top: 60px; }
.section__lead--light { color: #fff; padding-top: 40px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1.5px solid var(--line); }
.stat { padding: 50px 20px 30px; border-right: 1.5px solid var(--line); }
.stat:first-child { padding-left: 20px; }
.stat:last-child { border-right: 0; }
.stat__value { font-size: clamp(44px, 5vw, 72px); font-weight: 700; letter-spacing: -0.02em; color: var(--ink); line-height: 1; margin-bottom: 36px; }
.stat p { font-size: 22px; color: var(--muted); line-height: 1.45; }

.features {
  background:
    linear-gradient(155deg, transparent 0 62%, rgba(10,150,70,.18) 62% 100%),
    linear-gradient(200deg, var(--green) 0 60%, #27c267 100%);
  color: #fff;
  overflow: hidden;
}
.features .title { font-size: clamp(42px, 6vw, 96px); line-height: 1.08; }
.features__body { display: grid; grid-template-columns: 440px 1fr; gap: 110px; align-items: start; }

.tabs { display: flex; flex-direction: column; margin-top: 40px; }
.tab {
  width: 100%; display: flex; align-items: center; gap: 18px;
  padding: 26px 16px; font-size: 22px; text-align: left;
  border-bottom: 1.5px solid rgba(255,255,255,.55);
  border-radius: 0;
  transition: background .25s var(--ease), border-radius .25s var(--ease);
}
.tab svg { width: 28px; height: 28px; fill: none; stroke: #fff; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.tab span { flex: 1; }
.tab i { font-style: normal; font-size: 26px; transition: transform .25s var(--ease); }
.tab:hover i { transform: translateX(6px); }
.tab:hover { background: rgba(255,255,255,.08); }
.tab.is-active { background: rgba(255,255,255,.22); border-radius: 12px; border-bottom-color: transparent; }

.features__screen { position: relative; }
.device {
  border: 12px solid #18201c;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 40px 80px rgba(0,60,25,.35);
}
.device img { width: 100%; height: auto; transition: opacity .3s var(--ease), transform .6s var(--ease); }
.device.is-switching img { opacity: .4; transform: scale(1.015); }
.features__caption { margin-top: 26px; font-size: 20px; line-height: 1.45; max-width: 640px; min-height: 2.9em; }

.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1.5px solid var(--line); }
.adv {
  padding: 38px 38px 50px;
  min-height: 300px;
  border-right: 1.5px solid var(--line);
  border-top: 1.5px solid var(--line);
  transition: background .35s var(--ease), color .35s var(--ease);
}
.adv:nth-child(3n) { border-right: 0; }
.adv:nth-child(-n+3) { border-top: 0; }
.adv__icon { width: 74px; height: 74px; border-radius: 14px; background: var(--green-100); display: grid; place-items: center; margin-bottom: 52px; transition: background .35s var(--ease); }
.adv__icon svg { width: 36px; height: 36px; fill: none; stroke: var(--green-500); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.adv h3 { font-size: 28px; font-weight: 700; color: var(--ink); margin-bottom: 12px; transition: color .35s; }
.adv p { font-size: 19px; color: var(--muted); max-width: 360px; transition: color .35s; }

.adv:hover, .adv.is-hl { background: var(--green); }
.adv:hover .adv__icon, .adv.is-hl .adv__icon { background: #fff; }
.adv:hover h3, .adv:hover p, .adv.is-hl h3, .adv.is-hl p { color: #fff; }
.adv-grid:hover .adv.is-hl:not(:hover) { background: transparent; }
.adv-grid:hover .adv.is-hl:not(:hover) .adv__icon { background: var(--green-100); }
.adv-grid:hover .adv.is-hl:not(:hover) h3 { color: var(--ink); }
.adv-grid:hover .adv.is-hl:not(:hover) p { color: var(--muted); }

.steps-section { padding-bottom: 150px; }
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 98px; counter-reset: s; }
.step {
  position: relative;
  display: flex; align-items: center; gap: 14px;
  height: 162px; padding: 0 24px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  font-size: 24px; font-weight: 600; line-height: 1.35; color: var(--ink);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
}
.step:hover { border-color: var(--green); box-shadow: var(--shadow-sm); transform: translateY(-4px); }
.step__num { flex: none; width: 38px; height: 38px; border-radius: 50%; background: var(--green-500); color: #fff; display: grid; place-items: center; font-size: 18px; font-weight: 600; }
.step:not(:last-child)::after {
  content: "";
  position: absolute; top: 0; bottom: 0;
  right: -50px; width: 2px;
  background: var(--line);
}
.step:not(:last-child)::before {
  content: ""; position: absolute; right: -55px; top: 50%;
  width: 12px; height: 12px; border-radius: 50%; background: var(--green-500); transform: translateY(-50%); z-index: 1;
}

.scale { background: var(--dark); color: #fff; overflow: hidden; }
.scale__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; min-height: 790px; }
.scale__content { padding: 80px 0; }
.scale .title { margin-bottom: 56px; }
.scale__text { font-size: 30px; line-height: 1.38; max-width: 760px; margin-bottom: 48px; }
.scale__visual { position: relative; align-self: stretch; display: flex; align-items: center; justify-content: flex-end; }
.scale__visual img {
  width: 100%; max-width: 820px;
  -webkit-mask-image: radial-gradient(closest-side, #000 82%, transparent 100%);
          mask-image: radial-gradient(closest-side, #000 82%, transparent 100%);
  animation: float 9s ease-in-out infinite;
}

.support { display: grid; grid-template-columns: 1fr 1fr; gap: 170px; align-items: start; }
.support__visual {
  position: relative; aspect-ratio: 712 / 640;
  background: var(--green-100);
  border-radius: 40px;
  overflow: hidden;
  margin-top: 20px;
}
.support__ring { position: absolute; left: 49%; top: 50%; border: 1.5px solid rgba(34,197,94,.3); border-radius: 50%; transform: translate(-50%, -50%); }
.support__ring--lg { width: 80%; aspect-ratio: 1; }
.support__ring--md { width: 57%; aspect-ratio: 1; animation: pulse 4s ease-in-out infinite; }
.support__core {
  position: absolute; left: 49%; top: 50%; transform: translate(-50%, -50%);
  width: 33%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 20%, #2fd06f, #0f9f45 85%);
  box-shadow: 0 30px 60px rgba(22,163,74,.35), inset 0 6px 14px rgba(255,255,255,.25);
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff;
}
.support__core b { font-size: clamp(36px, 4.2vw, 68px); font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.support__core small { font-size: clamp(12px, 1.1vw, 16px); font-weight: 600; margin-top: 8px; }
.bubble {
  position: absolute; background: #fff; border-radius: 14px; padding: 16px 22px;
  font-size: clamp(11px, 1vw, 14px); color: var(--ink);
  box-shadow: 0 14px 34px rgba(15,23,42,.1);
  animation: float 6s ease-in-out infinite;
}
.bubble--1 { left: 5%; top: 15%; }
.bubble--2 { right: 7%; top: 38%; animation-delay: -2s; }
.bubble--3 { left: 13%; bottom: 12%; font-weight: 600; animation-delay: -4s; }

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.04); opacity: .7; }
}

.support__lead { font-size: 26px; line-height: 1.3; color: var(--muted); margin: 50px 0 44px; max-width: 700px; }
.support__grid { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 44px; max-width: 700px; }
.support__grid div { border-top: 1.5px solid var(--line); padding: 24px 0 20px; }
.support__grid div:nth-child(n+3) { padding-top: 24px; }
.support__grid dt { font-size: 32px; font-weight: 700; color: var(--green-500); line-height: 1.2; margin-bottom: 10px; }
.support__grid dd { margin: 0; font-size: 21px; color: var(--ink); }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; align-items: start; }
.plan {
  position: relative;
  border: 1.5px solid var(--line); border-radius: 24px;
  padding: 44px 40px 76px;
  display: flex; flex-direction: column;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.plan__name { font-size: 34px; font-weight: 700; color: var(--ink); margin-bottom: 18px; }
.plan__desc { font-size: 17px; color: var(--muted); margin-bottom: 24px; }
.plan__price { font-size: 34px; font-weight: 700; color: var(--ink); margin-bottom: 20px; }
.plan__note { font-size: 17px; color: var(--muted); padding-bottom: 22px; border-bottom: 1.5px solid var(--line); margin-bottom: 26px; }
.plan__list { display: flex; flex-direction: column; gap: 22px; margin-bottom: 54px; }
.plan__list li { position: relative; padding-left: 22px; font-size: 17px; color: var(--ink); }
.plan__list li::before {
  content: ""; position: absolute; left: 1px; top: 5px;
  width: 10px; height: 6px;
  border-left: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
}
.plan--featured { background: var(--green); border-color: var(--green); color: #fff; padding-top: 44px; padding-bottom: 46px; margin-top: 0; }
.plan--featured .plan__name, .plan--featured .plan__price, .plan--featured .plan__list li { color: #fff; }
.plan--featured .plan__desc, .plan--featured .plan__note { color: rgba(255,255,255,.88); }
.plan--featured .plan__desc { margin-bottom: 64px; }
.plan--featured .plan__note { border-color: rgba(255,255,255,.55); padding-bottom: 36px; margin-bottom: 36px; }
.plan--featured .plan__list { margin-bottom: 26px; }
.plan__badge { position: absolute; top: 18px; right: 12px; background: var(--red); color: #fff; font-size: 16px; font-weight: 500; padding: 6px 14px; border-radius: 999px; }

.review {
  margin: 0;
  background: var(--surface-2);
  border-radius: 20px;
  padding: 34px 40px 36px;
  text-align: center;
}
.review__quote { width: 62px; height: 62px; fill: var(--green-500); margin: 0 auto 50px; }
.review blockquote { margin: 0 auto 36px; max-width: 1200px; font-size: clamp(22px, 2.6vw, 44px); line-height: 1.2; font-weight: 500; color: var(--ink); }
.review figcaption { font-size: 26px; font-weight: 600; color: var(--ink); }

.contacts { display: grid; grid-template-columns: 1fr minmax(0, 860px); gap: 120px; align-items: start; }
.contacts__info { padding-top: 50px; }
.contacts__lead { font-size: 21px; line-height: 1.45; color: var(--muted); margin: 56px 0 40px; max-width: 600px; }
.contacts__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 330px)); column-gap: 34px; }
.contacts__grid > div { border-top: 1.5px solid var(--line); padding: 22px 0 24px; display: flex; flex-direction: column; gap: 6px; }
.contacts__grid small { font-size: 19px; color: var(--muted); }
.contacts__grid a, .contacts__grid b { font-size: 28px; font-weight: 700; color: var(--ink); }
.contacts__grid a:hover { color: var(--green-600); }

.form { background: var(--surface); border-radius: 40px; padding: 56px 54px 90px; }
.form__title { font-size: 40px; font-weight: 700; color: var(--ink); margin-bottom: 14px; }
.form__sub { font-size: 21px; color: var(--muted); margin-bottom: 36px; }
.field { display: block; margin-bottom: 26px; }
.field > span { display: block; font-size: 19px; font-weight: 600; color: var(--ink); margin-bottom: 12px; }
.field input {
  width: 100%; height: 72px; padding: 0 22px;
  border: 1.5px solid transparent; border-radius: 12px;
  background: #fff; font: inherit; font-size: 21px; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.field input::placeholder { color: #94a3b8; }
.field input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px rgba(34,197,94,.15); }
.field__error { display: none; font-style: normal; font-size: 14px; color: var(--red); margin-top: 6px; }
.field.has-error input { border-color: var(--red); }
.field.has-error .field__error { display: block; }
.form .btn--block { margin-top: 10px; font-weight: 700; font-size: 22px; }
.form__success { margin-top: 18px; padding: 16px 20px; border-radius: 12px; background: var(--green-100); color: var(--green-600); font-weight: 600; }
.form__fail { margin-top: 18px; padding: 16px 20px; border-radius: 12px; background: #fee2e2; color: var(--red); font-weight: 600; }
.form button[disabled] { opacity: .6; cursor: progress; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.footer { background: var(--navy); color: #fff; padding: 96px 0 44px; margin-top: 120px; }
.footer .container { padding-left: calc(var(--gutter) + 40px); padding-right: calc(var(--gutter) + 40px); }
.footer__top { display: grid; grid-template-columns: 1.9fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 76px; border-bottom: 1px solid rgba(255,255,255,.18); }
.footer .logo__text { font-size: 38px; }
.footer__brand p { margin-top: 26px; font-size: 18px; line-height: 1.5; max-width: 520px; }
.footer__col { display: flex; flex-direction: column; gap: 16px; }
.footer__col h4 { font-size: 21px; font-weight: 500; margin: 8px 0 8px; }
.footer__col a { font-size: 19px; color: rgba(255,255,255,.9); transition: color .2s; }
.footer__col a:hover { color: var(--green); }
.socials { display: flex; gap: 10px; flex-wrap: wrap; }
.socials a { width: 60px; height: 60px; border-radius: 50%; background: var(--green); color: #fff; display: grid; place-items: center; transition: transform .25s var(--ease), background .25s; }
.socials a:hover { transform: translateY(-3px); background: var(--green-600); color: #fff; }
.socials svg { width: 32px; height: 32px; fill: currentColor; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-top: 76px; font-size: 19px; flex-wrap: wrap; }
.footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__legal a:hover { color: var(--green); }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }

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

@media (max-width: 1440px) {
  .nav { gap: 22px; }
  .nav__link { font-size: 17px; }
  .logo__text { font-size: 32px; }
  .logo__badge { font-size: 24px; }
  .header__cta { height: 54px; font-size: 18px; padding: 0 28px; }
  .btn--xl { height: 88px; font-size: 26px; padding: 0 56px; }
  .tablet { width: 600px; }
  .hero__blob { width: 580px; height: 580px; }
  .steps { gap: 60px; }
  .step { font-size: 20px; height: 140px; padding: 0 18px; }
  .step:not(:last-child)::after { right: -31px; }
  .step:not(:last-child)::before { right: -36px; }
  .features__body { gap: 60px; grid-template-columns: 380px 1fr; }
  .support { gap: 80px; }
  .scale__text { font-size: 24px; }
  .contacts { gap: 60px; }
}

@media (max-width: 1280px) {
  :root { --header-h: 76px; }
  .header__cta { display: none; }
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 12px var(--gutter) 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav__link { padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .nav__link::after { display: none; }
  .nav__cta { display: inline-flex; margin-top: 18px; }

  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { min-height: 560px; max-width: 760px; width: 100%; margin: 0 auto; }
  .tablet { left: 4%; width: 88%; }
  .section__head { grid-template-columns: 1fr; gap: 20px; margin-bottom: 50px; }
  .section__lead { padding-top: 0; max-width: 640px; }
  .features__body { grid-template-columns: 1fr; gap: 40px; }
  .tabs { margin-top: 0; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .step::before, .step::after { display: none; }
  .scale__inner { grid-template-columns: 1fr; min-height: 0; }
  .scale__content { padding: 80px 0 0; }
  .scale__visual { justify-content: center; padding-bottom: 60px; }
  .scale__visual img { max-width: 560px; }
  .support { grid-template-columns: 1fr; gap: 56px; }
  .support__visual { max-width: 712px; width: 100%; }
  .plans { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; }
  .contacts { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1.5px solid var(--line); padding: 32px 16px; }
  .stat:nth-child(2n) { border-right: 0; }
  .stat p { font-size: 18px; }
  .stat__value { margin-bottom: 20px; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .adv { min-height: 0; padding: 30px 26px 36px; border-top: 1.5px solid var(--line) !important; border-right: 1.5px solid var(--line) !important; }
  .adv:nth-child(2n) { border-right: 0 !important; }
  .adv:nth-child(-n+2) { border-top: 0 !important; }
  .adv__icon { margin-bottom: 30px; }
  .adv h3 { font-size: 23px; }
  .adv p { font-size: 17px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .form { padding: 40px 28px 48px; border-radius: 28px; }
  .footer { margin-top: 60px; padding-top: 64px; }
  .footer .container { padding-left: var(--gutter); padding-right: var(--gutter); }
}

@media (max-width: 600px) {
  :root { --gutter: 16px; --header-h: 68px; }
  .logo__text { font-size: 26px; }
  .logo__badge { font-size: 19px; padding: 5px 6px; }
  .eyebrow { font-size: 15px; margin-bottom: 14px; }
  .hero { padding: 48px 0 40px; }
  .hero__title { margin-bottom: 22px; }
  .hero__text { margin-bottom: 30px; }
  .btn--xl { width: 100%; height: 68px; font-size: 20px; padding: 0 20px; }
  .btn--lg { width: 100%; height: 64px; font-size: 18px; }
  .btn--block { height: 60px; }
  .btn--outline { height: 60px; font-size: 18px; }
  .hero__visual { min-height: 330px; }
  .hero__blob { width: 340px; height: 340px; transform: translate(-45%, -50%); }
  .hero__ring { width: 160px; height: 160px; border-width: 30px; right: -40px; }
  .tablet { left: 0; width: 100%; max-width: 100%; border-width: 7px; border-radius: 18px; transform: none; top: 8%; }
  .tablet__side { width: 40px; gap: 16px; padding-top: 12px; }
  .tablet__side svg { width: 14px; height: 14px; }
  .tablet__plus { width: 24px; height: 24px; font-size: 14px; border-radius: 6px; }
  .tablet__main { padding: 10px; gap: 8px; }
  .tablet__head strong { font-size: 12px; }
  .tablet__head small, .kpi small, .kpi em, .chart__head small, .bar span { font-size: 7px; }
  .tablet__avatar { width: 22px; height: 22px; font-size: 8px; }
  .tablet__kpis { gap: 6px; }
  .kpi { padding: 6px; gap: 2px; border-radius: 8px; }
  .kpi b { font-size: 11px; }
  .chart { padding: 8px 10px 16px; border-radius: 8px; }
  .chart__head strong { font-size: 9px; }
  .chart__bars { gap: 8px; padding-top: 8px; }
  .bar span { bottom: -13px; }
  .toast { right: 0; bottom: 4%; padding: 8px 12px; }
  .toast strong { font-size: 11px; }
  .toast small { font-size: 9px; }

  .section { padding: 64px 0; }
  .section__lead { font-size: 17px; }
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: 0; padding: 26px 0; }
  .stat:first-child { padding-left: 0; }
  .tab { font-size: 18px; padding: 18px 12px; }
  .device { border-width: 6px; border-radius: 14px; }
  .features__caption { font-size: 16px; }
  .adv-grid { grid-template-columns: 1fr; }
  .adv { border-right: 0 !important; border-top: 1.5px solid var(--line) !important; }
  .adv:first-child { border-top: 0 !important; }
  .steps { grid-template-columns: 1fr; gap: 12px; }
  .step { height: auto; padding: 22px 18px; font-size: 18px; }
  .scale__text { font-size: 18px; margin-bottom: 30px; }
  .scale .title { margin-bottom: 28px; }
  .support__lead { font-size: 18px; margin: 24px 0 28px; }
  .support__grid dt { font-size: 24px; }
  .support__grid dd { font-size: 16px; }
  .bubble { padding: 9px 12px; border-radius: 10px; }
  .plan { padding: 32px 24px 36px; }
  .plan--featured .plan__desc { margin-bottom: 24px; }
  .plan__name, .plan__price { font-size: 28px; }
  .review { padding: 28px 20px; }
  .review__quote { width: 44px; height: 44px; margin-bottom: 24px; }
  .review figcaption { font-size: 18px; }
  .contacts__lead { font-size: 17px; margin: 24px 0 28px; }
  .contacts__grid { grid-template-columns: 1fr; }
  .contacts__grid a, .contacts__grid b { font-size: 22px; }
  .contacts__grid small { font-size: 15px; }
  .form__title { font-size: 28px; }
  .form__sub { font-size: 16px; }
  .field > span { font-size: 16px; }
  .field input { height: 56px; font-size: 17px; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }
  .footer__bottom { padding-top: 32px; font-size: 15px; flex-direction: column; align-items: flex-start; }
  .footer__brand p { font-size: 16px; }
}