:root {
  --bg: #f4f7fb;
  --bg-soft: rgba(255, 255, 255, 0.7);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --surface-dark: #0c1725;
  --line: rgba(10, 25, 49, 0.09);
  --line-strong: rgba(22, 48, 89, 0.16);
  --text: #0a1523;
  --muted: #5e6d83;
  --accent: #0078ff;
  --accent-2: #2de1c2;
  --shadow: 0 24px 80px rgba(25, 55, 103, 0.12);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 18px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

::selection {
  background: rgba(15, 132, 255, 0.18);
  color: #081d38;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Onest", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(45, 225, 194, 0.1), transparent 24%),
    linear-gradient(180deg, #f7f9fc 0%, #eef3f9 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(10, 21, 35, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 21, 35, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 104px 0;
}

.section-tight {
  padding-top: 20px;
  padding-bottom: 24px;
}

.section-soft {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.5));
}

.section-cta {
  padding-bottom: 140px;
}

.page-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 999px;
  filter: blur(90px);
  opacity: 0.22;
  pointer-events: none;
  z-index: 0;
}

.page-glow-left {
  top: 110px;
  left: -140px;
  background: #0f87ff;
}

.page-glow-right {
  top: 340px;
  right: -160px;
  background: #24ddc2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(244, 247, 251, 0.72);
  border-bottom: 1px solid rgba(10, 25, 49, 0.05);
  box-shadow: 0 10px 26px rgba(14, 40, 83, 0.04);
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.brand-copy span {
  font-size: 0.8rem;
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  transition: color 180ms ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 1.5px;
  border-radius: 999px;
  background: linear-gradient(90deg, #0f84ff, #22dbbf);
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: center;
  transition: opacity 180ms ease, transform 180ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text);
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:focus-visible,
.main-nav a:focus-visible,
.doc-link:focus-visible,
.cert-preview:focus-visible,
.faq-question:focus-visible,
.contact-chips a:focus-visible {
  outline: 2px solid rgba(15, 132, 255, 0.28);
  outline-offset: 3px;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #006fff, #21d7bf);
  box-shadow: 0 22px 40px rgba(0, 111, 255, 0.22);
}

.button-secondary,
.button-ghost {
  color: var(--text);
  border-color: rgba(10, 25, 49, 0.08);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(18px);
}

.button-small {
  min-height: 44px;
  padding-inline: 18px;
  font-size: 0.95rem;
}

.button-wide {
  width: 100%;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  color: #0a5dbf;
  background: rgba(0, 120, 255, 0.09);
  border: 1px solid rgba(0, 120, 255, 0.08);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.hero {
  padding-top: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 46px;
  align-items: start;
}

.hero-visual {
  padding-top: 40px;
}

.hero-copy h1,
.section-heading h2,
.technology-copy h2,
.cta-copy h2 {
  margin: 18px 0 18px;
  font-family: "Prata", serif;
  font-size: clamp(2.7rem, 5vw, 5.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-heading h2,
.technology-copy h2,
.cta-copy h2 {
  font-size: clamp(2rem, 3.2vw, 3.7rem);
}

.systems-heading {
  letter-spacing: -0.04em;
}

.systems-heading span {
  display: block;
  margin-top: 0.08em;
  padding-left: 0;
  letter-spacing: 0.01em;
  white-space: normal;
}

.hero-copy h1 {
  line-height: 1.02;
}

.hero-copy h1 span {
  color: #0f7fff;
}

.hero-text,
.section-heading p,
.technology-copy p,
.cta-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-offer {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  max-width: 640px;
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: 24px;
  border: 1px solid rgba(0, 120, 255, 0.12);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.14), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(243, 249, 255, 0.86));
  box-shadow:
    0 20px 40px rgba(11, 28, 52, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.hero-offer-badge {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f84ff, #22dbbf);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 28px rgba(15, 132, 255, 0.2);
}

.hero-offer-copy {
  display: grid;
  gap: 6px;
}

.hero-offer-copy strong {
  font-family: "Onest", sans-serif;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.hero-offer-copy span {
  color: var(--muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.point-card,
.card,
.system-card,
.trust-band,
.process-card,
.cert-card,
.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 255, 255, 0.72));
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.point-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 128px;
  padding: 20px;
  border-radius: 24px;
}

.point-value {
  font-family: "Onest", sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
}

.point-label {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.7);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(235, 243, 255, 0.88)),
    linear-gradient(135deg, rgba(0, 120, 255, 0.1), rgba(45, 225, 194, 0.1));
  box-shadow:
    0 40px 80px rgba(16, 36, 73, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -10% -32% auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(0, 120, 255, 0.26), transparent 70%);
}

.panel-topline,
.recommendation-topline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #0a5dbf;
  font-size: 0.85rem;
  font-weight: 700;
}

.status-dot,
.recommendation-badge {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f84ff, #22dbbf);
  box-shadow: 0 0 0 6px rgba(15, 132, 255, 0.1);
}

.recommendation-badge {
  width: auto;
  height: auto;
  padding: 8px 14px;
  box-shadow: none;
  color: #0b61c5;
  background: rgba(0, 120, 255, 0.08);
}

.visual-stack {
  position: relative;
  min-height: 438px;
  margin-top: 20px;
  border-radius: 30px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 16%, rgba(45, 225, 194, 0.18), transparent 28%),
    radial-gradient(circle at 80% 24%, rgba(0, 120, 255, 0.16), transparent 32%),
    linear-gradient(180deg, #f8fbff 0%, #f2f7fe 100%);
  border: 1px solid rgba(10, 25, 49, 0.05);
}

.visual-rings span {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(0, 120, 255, 0.14);
}

.visual-rings span:nth-child(1) {
  inset: 18% 18%;
}

.visual-rings span:nth-child(2) {
  inset: 10% 10%;
}

.visual-rings span:nth-child(3) {
  inset: 2% 2%;
}

.hero-tech-image {
  position: absolute;
  inset: 52% auto auto 50%;
  width: min(86%, 468px);
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 30px 36px rgba(18, 45, 89, 0.16));
}

.panel-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.panel-metrics div {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(10, 25, 49, 0.05);
}

.metric-name {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.82rem;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-radius: 28px;
  overflow: hidden;
}

.trust-item {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 28px;
}

.trust-item + .trust-item {
  border-left: 1px solid rgba(10, 25, 49, 0.06);
}

.trust-meta {
  display: inline-flex;
  width: fit-content;
  min-height: 30px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(0, 120, 255, 0.08);
  color: #0b61c5;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-title {
  display: block;
  font-family: "Onest", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  line-height: 1.3;
}

.trust-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.section-heading {
  margin-bottom: 40px;
}

.calculator-layout,
.technology-layout,
.cta-layout {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 26px;
  align-items: start;
}

.card {
  padding: 30px;
  border-radius: var(--radius-xl);
}

.calculator {
  display: grid;
  gap: 22px;
}

.calculator-block,
.lead-form label {
  display: grid;
  gap: 12px;
}

.calculator-block {
  padding: 22px;
  border-radius: 24px;
  border: 1px solid rgba(10, 25, 49, 0.07);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.08), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 250, 255, 0.92));
}

.field-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.field-heading strong {
  flex: 0 0 auto;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(0, 120, 255, 0.08);
}

.range-scale {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.82rem;
}

.choice-group {
  margin: 0;
  padding: 0;
  border: 0;
  display: grid;
  gap: 12px;
}

.choice-group legend {
  margin-bottom: 12px;
  padding: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.choice-grid {
  display: grid;
  gap: 12px;
}

.choice-grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.choice-card {
  position: relative;
  display: block;
}

.choice-card input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.choice-content {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 94px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(10, 25, 49, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 251, 255, 0.88));
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease,
    background 180ms ease;
}

.choice-content::after {
  content: "";
  position: absolute;
  top: 16px;
  right: 16px;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  border: 1px solid rgba(10, 25, 49, 0.12);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.94);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    transform 180ms ease;
}

.choice-card:hover .choice-content,
.choice-card:focus-within .choice-content {
  transform: translateY(-1px);
  border-color: rgba(0, 120, 255, 0.18);
  box-shadow: 0 18px 34px rgba(14, 40, 83, 0.08);
}

.choice-card input:checked + .choice-content {
  border-color: rgba(0, 120, 255, 0.22);
  background: linear-gradient(180deg, rgba(242, 248, 255, 0.98), rgba(234, 244, 255, 0.94));
  box-shadow:
    0 0 0 1px rgba(0, 120, 255, 0.1),
    0 18px 34px rgba(14, 40, 83, 0.08);
}

.choice-card input:checked + .choice-content::after {
  border-color: rgba(0, 120, 255, 0.22);
  background: linear-gradient(135deg, #0f84ff, #22dbbf);
  box-shadow:
    inset 0 0 0 3px rgba(255, 255, 255, 0.9),
    0 10px 18px rgba(11, 97, 197, 0.16);
  transform: scale(1.04);
}

.choice-content strong {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

.choice-content small {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.choice-card-compact .choice-content {
  min-height: 86px;
}

.choice-card-compact .choice-content strong {
  font-size: 1.05rem;
}

.calculator label,
.lead-form label {
  display: grid;
  gap: 10px;
}

.form-honey {
  display: none !important;
}

.calculator span,
.lead-form span {
  font-size: 0.95rem;
  font-weight: 700;
}

.calculator strong {
  color: #0b61c5;
}

.calculator input[type="range"] {
  --range-progress: 33%;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 12px;
  border-radius: 999px;
  cursor: pointer;
  background:
    linear-gradient(
      90deg,
      #0f84ff 0%,
      #22dbbf var(--range-progress),
      rgba(214, 223, 236, 0.82) var(--range-progress),
      rgba(214, 223, 236, 0.82) 100%
    );
  box-shadow:
    inset 0 0 0 1px rgba(10, 25, 49, 0.04),
    0 10px 24px rgba(14, 40, 83, 0.04);
  outline: none;
}

.calculator input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #ffffff;
  border: 3px solid #0b61c5;
  box-shadow: 0 10px 24px rgba(11, 97, 197, 0.18);
  cursor: pointer;
}

.calculator input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: #ffffff;
  border: 3px solid #0b61c5;
  box-shadow: 0 10px 24px rgba(11, 97, 197, 0.18);
  cursor: pointer;
}

.calculator input[type="range"]::-moz-range-track {
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0, 120, 255, 0.18), rgba(45, 225, 194, 0.2));
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  border-radius: 18px;
  border: 1px solid rgba(10, 25, 49, 0.08);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.lead-form textarea {
  min-height: 132px;
  padding: 16px 18px;
  resize: vertical;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: rgba(0, 120, 255, 0.42);
  box-shadow: 0 0 0 4px rgba(0, 120, 255, 0.08);
}

.recommendation h3 {
  margin: 18px 0 12px;
  font-family: "Onest", sans-serif;
  font-size: 2rem;
  letter-spacing: -0.04em;
}

.recommendation p,
.recommendation-note,
.form-note,
.form-success {
  color: var(--muted);
  line-height: 1.7;
}

.recommendation-price {
  display: grid;
  gap: 6px;
  margin: 22px 0 0;
  padding: 18px 20px;
  border-radius: 22px;
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(244, 249, 255, 0.98), rgba(234, 243, 255, 0.92));
  border: 1px solid rgba(0, 120, 255, 0.12);
}

.recommendation-price-label {
  color: #0b61c5;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.recommendation-price strong {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.recommendation-price small {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.recommendation-list,
.system-copy ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.recommendation-list li,
.system-copy li {
  position: relative;
  padding-left: 22px;
  color: var(--text);
  line-height: 1.65;
}

.recommendation-list li::before,
.system-copy li::before {
  content: "";
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f84ff, #22dbbf);
}

.recommendation-note {
  margin: 20px 0 22px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(0, 120, 255, 0.06);
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.system-card {
  overflow: hidden;
  border-radius: 30px;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.system-card:hover,
.system-card:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 30px 58px rgba(16, 36, 73, 0.16);
}

.system-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 300px;
  padding: 24px 24px 0;
  border-bottom: 1px solid rgba(10, 25, 49, 0.06);
}

.system-media::before {
  content: "";
  position: absolute;
  inset: auto 14% 18px;
  height: 88px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 132, 255, 0.18), transparent 68%);
  filter: blur(18px);
}

.system-media-bio {
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(251, 253, 255, 0.98), rgba(241, 247, 255, 0.95));
}

.system-media-pro {
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(251, 253, 255, 0.98), rgba(241, 247, 255, 0.95));
}

.system-media-eco {
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(251, 253, 255, 0.98), rgba(241, 247, 255, 0.95));
}

.system-media-ground {
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 36%),
    linear-gradient(180deg, rgba(251, 253, 255, 0.98), rgba(241, 247, 255, 0.95));
}

.system-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 340px;
  height: 252px;
  object-fit: contain;
  transform: translateY(10px) scale(1.04);
  filter: brightness(1.05) saturate(1.16) contrast(1.04) drop-shadow(0 28px 26px rgba(15, 40, 70, 0.14));
}

.system-copy {
  padding: 28px;
}

.system-tag {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(0, 120, 255, 0.08);
  color: #0b61c5;
  font-size: 0.82rem;
  font-weight: 700;
}

.system-copy h3,
.process-card h3 {
  margin: 16px 0 10px;
  font-family: "Onest", sans-serif;
  font-size: 1.5rem;
  letter-spacing: -0.04em;
}

.system-copy p,
.technology-panel-copy span,
.process-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.system-price {
  display: grid;
  gap: 4px;
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(10, 25, 49, 0.06);
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.94), rgba(241, 247, 255, 0.9));
}

.system-price strong {
  font-size: 1.42rem;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.system-price span {
  color: var(--muted);
  line-height: 1.55;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.model-card {
  position: relative;
  display: grid;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(10, 25, 49, 0.16);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 250, 255, 0.82));
  box-shadow:
    0 18px 40px rgba(11, 28, 52, 0.08),
    0 0 0 1px rgba(255, 255, 255, 0.38) inset;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.model-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.model-card:hover,
.model-card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(15, 132, 255, 0.24);
  box-shadow:
    0 28px 54px rgba(11, 28, 52, 0.12),
    0 0 0 1px rgba(255, 255, 255, 0.46) inset;
}

.model-media {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 30px 20px 8px;
  border-bottom: 1px solid rgba(10, 25, 49, 0.06);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.18), transparent 36%),
    linear-gradient(180deg, rgba(253, 254, 255, 0.99), rgba(240, 247, 255, 0.97));
}

.model-media::before {
  content: "";
  position: absolute;
  inset: auto 14% 20px;
  height: 76px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 132, 255, 0.18), transparent 68%);
  filter: blur(18px);
}

.model-sale {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 2;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0f84ff, #22dbbf);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 28px rgba(15, 132, 255, 0.24);
}

.model-visual {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 260px;
  height: 184px;
  object-fit: contain;
  transform: translateY(6px) scale(1.02);
  filter: brightness(1.05) saturate(1.18) contrast(1.04) drop-shadow(0 24px 20px rgba(15, 40, 70, 0.16));
  transition: transform 220ms ease, filter 220ms ease;
}

.model-card:hover .model-visual,
.model-card:focus-within .model-visual {
  transform: translateY(2px) scale(1.04);
  filter: brightness(1.07) saturate(1.2) contrast(1.05) drop-shadow(0 28px 24px rgba(15, 40, 70, 0.18));
}

.model-copy {
  display: grid;
  gap: 15px;
  padding: 24px;
}

.model-copy h3 {
  margin: 0;
  font-family: "Onest", sans-serif;
  font-size: 1.34rem;
  letter-spacing: -0.04em;
}

.model-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
}

.model-price {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 18px 18px 17px;
  border-radius: 20px;
  border: 1px solid rgba(0, 120, 255, 0.16);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.12), transparent 34%),
    linear-gradient(180deg, rgba(249, 252, 255, 0.98), rgba(239, 246, 255, 0.93));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 12px 24px rgba(15, 40, 70, 0.06);
}

.model-price-label {
  color: #0b61c5;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.model-old-price {
  color: rgba(20, 32, 52, 0.46);
  font-size: 0.94rem;
  text-decoration: line-through;
}

.model-price strong {
  color: #081d38;
  font-size: 1.64rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.model-price small {
  color: var(--muted);
  line-height: 1.55;
}

.model-card .button {
  margin-top: 2px;
}

.feature-list {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.feature-item {
  padding: 22px 24px;
  border-radius: 24px;
  border: 1px solid rgba(10, 25, 49, 0.08);
  background: rgba(255, 255, 255, 0.54);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.feature-item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 120, 255, 0.14);
  box-shadow: 0 18px 34px rgba(14, 40, 83, 0.08);
}

.feature-item strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Onest", sans-serif;
  font-size: 1.1rem;
}

.feature-item p {
  margin: 0;
}

.technology-panel {
  overflow: hidden;
}

.brand-panel {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 18px;
  align-items: center;
}

.brand-panel-logo {
  width: 100%;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(10, 25, 49, 0.06);
  background: #fff;
}

.brand-panel-product {
  width: 100%;
  padding: 8px;
  border-radius: 24px;
  border: 1px solid rgba(10, 25, 49, 0.06);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.14), transparent 36%),
    linear-gradient(180deg, rgba(242, 247, 255, 0.96), rgba(250, 252, 255, 0.96));
}

.doc-links {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}

.doc-link {
  display: block;
  padding: 18px 20px;
  border-radius: 20px;
  border: 1px solid rgba(10, 25, 49, 0.07);
  background: rgba(255, 255, 255, 0.58);
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.doc-link:hover,
.doc-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(0, 120, 255, 0.18);
  box-shadow: 0 18px 34px rgba(14, 40, 83, 0.1);
}

.doc-link strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.doc-link span {
  color: var(--muted);
  line-height: 1.55;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.project-card {
  margin: 0;
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.76));
  box-shadow: var(--shadow);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 58px rgba(16, 36, 73, 0.14);
}

.project-card img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.project-card figcaption {
  display: grid;
  gap: 8px;
  padding: 20px 22px 24px;
}

.project-card strong {
  font-family: "Onest", sans-serif;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}

.project-card span {
  color: var(--muted);
  line-height: 1.65;
}

.technology-panel-copy {
  padding-top: 20px;
}

.technology-panel-copy span {
  display: block;
  margin-bottom: 8px;
}

.technology-panel-copy strong {
  font-size: 1.16rem;
  line-height: 1.5;
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.cert-card {
  margin: 0;
  padding: 16px;
  border-radius: 24px;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.cert-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 48px rgba(16, 36, 73, 0.12);
}

.cert-preview {
  position: relative;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 16px;
  background: transparent;
  cursor: zoom-in;
  overflow: hidden;
}

.cert-card img {
  aspect-ratio: 0.75;
  object-fit: cover;
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(10, 25, 49, 0.06);
}

.cert-overlay {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
  background: rgba(10, 21, 35, 0.66);
  backdrop-filter: blur(14px);
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    background 180ms ease;
}

.cert-preview:hover .cert-overlay,
.cert-preview:focus-visible .cert-overlay {
  opacity: 1;
  transform: translateY(0);
}

.cert-card.is-missing {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 360px;
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(237, 244, 255, 0.95), rgba(250, 252, 255, 0.95));
}

.cert-card.is-missing::before {
  content: "Документ загружается";
  display: grid;
  place-items: center;
  flex: 1;
  margin-bottom: 14px;
  border-radius: 18px;
  border: 1px dashed rgba(10, 25, 49, 0.14);
  color: #0b61c5;
  font-weight: 700;
}

.cert-card figcaption {
  padding-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 24px;
}

.lightbox[hidden] {
  display: none;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 17, 28, 0.72);
  backdrop-filter: blur(12px);
}

.lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 1040px);
  height: min(calc(100vh - 48px), 980px);
  padding: 24px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(245, 248, 252, 0.96);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.24);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
}

.lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: rgba(10, 21, 35, 0.08);
  color: var(--text);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
}

.lightbox-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-right: 52px;
}

.lightbox-head strong {
  font-size: 1.25rem;
  line-height: 1.4;
}

.lightbox-body {
  margin-top: 20px;
  padding: 14px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(241, 246, 252, 0.92));
  min-height: 0;
  overflow: auto;
  display: grid;
  place-items: center;
}

.lightbox-body img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  border-radius: 16px;
  border: 1px solid rgba(10, 25, 49, 0.08);
}

.process-grid {
  display: grid;
  gap: 34px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-card {
  padding: 24px;
  border-radius: 26px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.process-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px rgba(14, 40, 83, 0.08);
}

.process-card span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: #0b61c5;
  font-weight: 800;
  background: rgba(0, 120, 255, 0.08);
}

.faq-layout {
  display: grid;
  gap: 28px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  overflow: hidden;
  border-radius: 24px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.faq-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(14, 40, 83, 0.06);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 26px;
  border: 0;
  background: transparent;
  text-align: left;
  font-weight: 800;
  color: var(--text);
  cursor: pointer;
}

.faq-icon {
  flex: 0 0 auto;
  font-family: "Onest", sans-serif;
  font-size: 1.5rem;
  color: #0b61c5;
  transition: transform 180ms ease;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms ease;
}

.faq-answer p {
  overflow: hidden;
  margin: 0;
  padding: 0 26px 0;
  color: var(--muted);
  line-height: 1.75;
}

.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-item.is-open .faq-answer p {
  padding-bottom: 24px;
}

.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
}

.contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.cta-price-band {
  display: grid;
  gap: 8px;
  margin-top: 22px;
  padding: 20px 22px;
  border-radius: 24px;
  border: 1px solid rgba(10, 25, 49, 0.07);
  background:
    radial-gradient(circle at top left, rgba(0, 120, 255, 0.1), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(244, 249, 255, 0.88));
}

.cta-price-band strong {
  font-size: 1.12rem;
  line-height: 1.45;
}

.cta-price-band span {
  color: var(--muted);
  line-height: 1.65;
}

.contact-chips a,
.contact-chips span {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid rgba(10, 25, 49, 0.08);
  background: rgba(255, 255, 255, 0.45);
}

.contact-chips a {
  color: var(--text);
  font-weight: 700;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.contact-chips a:hover,
.contact-chips a:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(0, 120, 255, 0.18);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 14px 28px rgba(14, 40, 83, 0.08);
}

.lead-form {
  display: grid;
  gap: 16px;
  scroll-margin-top: 120px;
}

.form-note,
.form-success {
  margin: 0;
  font-size: 0.94rem;
}

.form-success {
  color: #0b61c5;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 24px 0 110px;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  border-top: 1px solid rgba(10, 25, 49, 0.08);
}

.footer-row p {
  margin: 6px 0 0;
  color: var(--muted);
}

.mobile-cta {
  display: none;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .calculator-layout,
  .technology-layout,
  .cta-layout,
  .systems-grid,
  .models-grid,
  .projects-grid,
  .cert-grid,
  .process-steps {
    grid-template-columns: 1fr;
  }

  .hero-points,
  .panel-metrics,
  .trust-band {
    grid-template-columns: 1fr;
  }

  .trust-item + .trust-item {
    border-left: 0;
    border-top: 1px solid rgba(10, 25, 49, 0.06);
  }

  .hero-visual {
    padding-top: 0;
  }

  .hero-panel {
    min-height: auto;
  }
}

@media (max-width: 860px) {
  .main-nav,
  .header-row .button-ghost {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .hero {
    padding-top: 48px;
  }

  .container {
    width: min(calc(100% - 28px), var(--container));
  }

  .card,
  .hero-panel,
  .system-copy,
  .process-card,
  .trust-item {
    padding: 22px;
  }

  .visual-stack {
    min-height: 320px;
  }

  .hero-text,
  .section-heading p,
  .technology-copy p,
  .cta-copy p {
    font-size: 1rem;
    line-height: 1.68;
  }

  .brand-panel {
    grid-template-columns: 1fr;
  }

  .hero-offer {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 18px;
  }

  .hero-points {
    gap: 12px;
    margin-top: 28px;
  }

  .point-card {
    min-height: auto;
  }

  .choice-grid-2,
  .choice-grid-3 {
    grid-template-columns: 1fr;
  }

  .system-media {
    min-height: 250px;
  }

  .model-media {
    min-height: 232px;
  }

  .panel-metrics div,
  .recommendation-price,
  .model-price,
  .system-price,
  .cta-price-band {
    padding: 14px 16px;
  }

  .system-copy h3,
  .model-copy h3,
  .recommendation h3 {
    font-size: 1.3rem;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .lightbox {
    padding: 14px;
  }

  .lightbox-dialog {
    padding: 18px;
    height: calc(100vh - 28px);
  }

  .lightbox-head {
    flex-direction: column;
    padding-right: 40px;
  }

  .mobile-cta {
    position: fixed;
    left: 14px;
    right: 14px;
    bottom: 14px;
    z-index: 30;
    display: block;
  }

  .site-footer {
    padding-bottom: 96px;
  }
}

@media (max-width: 560px) {
  .button,
  .button-small {
    width: 100%;
  }

  .section {
    padding: 72px 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .brand-copy span {
    display: none;
  }

  .hero-copy h1 {
    font-size: clamp(2.4rem, 14vw, 3.5rem);
    line-height: 1.04;
  }

  .section-heading h2,
  .technology-copy h2,
  .cta-copy h2 {
    font-size: clamp(1.9rem, 10vw, 2.8rem);
    line-height: 1.08;
  }

  .hero-offer,
  .point-card,
  .panel-metrics div,
  .model-copy,
  .system-copy,
  .process-card,
  .cta-price-band {
    border-radius: 20px;
  }

  .hero-offer-copy strong,
  .point-value,
  .model-price strong,
  .system-price strong {
    font-size: 1rem;
  }

  .hero-offer-copy span,
  .point-label,
  .model-copy p,
  .system-copy p,
  .cta-price-band span,
  .form-note,
  .form-success {
    font-size: 0.94rem;
    line-height: 1.6;
  }

  .contact-chips {
    display: grid;
    grid-template-columns: 1fr;
  }

  .contact-chips a,
  .contact-chips span {
    width: 100%;
    min-height: 42px;
    justify-content: center;
    text-align: center;
  }

  .lead-form {
    gap: 14px;
  }

  .lead-form textarea {
    min-height: 118px;
  }

  .doc-link {
    padding: 18px;
  }

  .faq-question {
    padding-inline: 20px;
  }

  .faq-answer p {
    padding-inline: 20px;
  }

  .faq-item.is-open .faq-answer p {
    padding-bottom: 20px;
  }

}