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

:root {
  --bg: #f5f7fb;
  --white: #ffffff;
  --text: #101828;
  --muted: #5f6f84;
  --line: #e4eaf2;
  --blue: #2457ff;
  --blue-dark: #1339c2;
  --green: #10b981;
  --dark: #0f172a;
  --soft: #eef4ff;
  --shadow: 0 18px 55px rgba(15, 23, 42, 0.10);
  --radius: 28px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

.container {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.header__inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.logo__mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), #67e8f9);
  box-shadow: 0 10px 25px rgba(36, 87, 255, 0.25);
}

.logo__text {
  font-size: 18px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #526173;
  font-size: 15px;
}

.nav a:hover {
  color: var(--blue);
}

.header__btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 800;
  text-align: center;
  transition: 0.2s ease;
}

.header__btn {
  padding: 11px 18px;
  color: var(--blue);
  background: #eef3ff;
  white-space: nowrap;
}

.header__btn:hover {
  color: #fff;
  background: var(--blue);
}

.btn {
  padding: 15px 24px;
  border: 1px solid transparent;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  box-shadow: 0 14px 34px rgba(36, 87, 255, 0.28);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--light {
  color: var(--blue);
  background: var(--white);
  border-color: #dbe5ff;
}

.btn--big {
  padding: 18px 30px;
  font-size: 17px;
}

.hero {
  position: relative;
  padding: 82px 0 62px;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 10%, rgba(36, 87, 255, 0.18), transparent 34%),
    radial-gradient(circle at 0% 90%, rgba(16, 185, 129, 0.15), transparent 30%),
    linear-gradient(180deg, #f7fbff, #eef4ff);
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 52px;
  align-items: center;
}

.tag,
.kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 8px 14px;
  border-radius: 999px;
  background: #eef3ff;
  border: 1px solid #dbe5ff;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 22px 0 18px;
  max-width: 720px;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 660px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 19px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 26px;
}

.hero__mini {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 660px;
}

.hero__mini div {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}

.hero__mini b {
  display: block;
  font-size: 16px;
}

.hero__mini span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.hero__visual {
  position: relative;
  width: 100%;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__orb {
  position: absolute;
  width: min(430px, 85%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: linear-gradient(135deg, #dbeafe, #bfdbfe, #a7f3d0);
  box-shadow: inset 0 0 70px rgba(255, 255, 255, 0.7);
}

.hero__visual img {
  position: relative;
  z-index: 2;
  width: min(500px, 100%);
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.visual-card {
  position: absolute;
  z-index: 3;
  max-width: 220px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.12);
  font-size: 14px;
  font-weight: 800;
}

.visual-card--top {
  top: 70px;
  right: 0;
}

.visual-card--bottom {
  left: 0;
  bottom: 72px;
}

.strip {
  padding: 22px 0;
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.strip__grid div {
  min-width: 0;
  padding: 16px 18px;
  border-radius: 18px;
  background: #f8fbff;
}

.strip__grid span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.strip__grid b {
  display: block;
  font-size: 17px;
}

.section {
  padding: 78px 0;
}

.section--soft {
  background: linear-gradient(180deg, var(--white), #f4f8ff);
}

.section--dark {
  background: var(--dark);
  color: var(--white);
}

.section-head {
  max-width: 840px;
  margin: 0 0 34px;
}

.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-head h2,
.product__text h2,
.dark-grid h2,
.contact-card h2 {
  margin: 14px 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.section-head p,
.product__text p,
.dark-grid p,
.contact-card p {
  color: var(--muted);
  font-size: 17px;
}

.product {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: 52px;
  align-items: center;
}

.product__image {
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #eef3ff, #ecfdf5);
  box-shadow: var(--shadow);
}

.product__image img {
  border-radius: 22px;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 28px;
}

.check-list div {
  display: flex;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  color: #4b5c70;
}

.check-list span {
  color: var(--green);
  font-weight: 900;
}

.info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
  margin-bottom: 24px;
}

.info-card {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.07);
}

.info-card--large {
  grid-row: span 2;
}

.number {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  border-radius: 16px;
  background: #eef3ff;
  color: var(--blue);
  font-weight: 900;
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 25px;
  line-height: 1.18;
}

.info-card p {
  margin: 0 0 12px;
  color: #5d6b7d;
}

.info-card p:last-child {
  margin-bottom: 0;
}

.mechanism {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 34px;
  border-radius: 32px;
  background: linear-gradient(135deg, #101828, #17335f);
  color: var(--white);
  box-shadow: var(--shadow);
}

.mechanism h3 {
  margin: 10px 0;
  font-size: clamp(25px, 3vw, 32px);
  line-height: 1.15;
}

.mechanism p {
  color: #dce7f7;
}

.mechanism__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.mechanism__badges span {
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 900;
}

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

.timeline__item {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.07);
}

.timeline__item span {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #ecfdf5;
  color: #047857;
  font-size: 13px;
  font-weight: 900;
}

.timeline__item h3 {
  margin: 0 0 12px;
  font-size: 23px;
  line-height: 1.18;
}

.timeline__item p {
  margin: 0;
  color: #5d6b7d;
}

.warning-box {
  margin-top: 22px;
  padding: 20px 22px;
  border: 1px solid #fed7aa;
  border-radius: 22px;
  background: #fff7ed;
  color: #9a3412;
}

.dark-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.9fr);
  gap: 48px;
  align-items: center;
}

.kicker--light {
  color: #a7f3d0;
  background: rgba(255, 255, 255, 0.10);
  border-color: rgba(255, 255, 255, 0.18);
}

.dark-grid h2 {
  color: var(--white);
}

.dark-grid p {
  color: #cbd5e1;
}

.dark-cards {
  display: grid;
  gap: 14px;
}

.dark-cards div {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
}

.dark-cards b {
  color: #a7f3d0;
  font-size: 22px;
}

.dark-cards span {
  font-weight: 800;
}

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

.analogs-grid article {
  min-width: 0;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.06);
}

.analogs-grid h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.analogs-grid p {
  margin: 0;
  color: var(--muted);
}

.contact-section {
  padding-top: 34px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  padding: 42px;
  border: 1px solid #dce7ff;
  border-radius: 36px;
  background: linear-gradient(135deg, #eaf1ff, var(--white));
  box-shadow: var(--shadow);
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 920px;
  margin: 0 auto;
}

details {
  padding: 20px 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.05);
}

summary {
  cursor: pointer;
  color: #0b1220;
  font-size: 18px;
  font-weight: 900;
}

details p {
  margin: 12px 0 0;
  color: var(--muted);
}

.footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: var(--white);
  color: var(--muted);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 18px;
}

.footer a {
  color: var(--blue);
  font-weight: 900;
}

@media (max-width: 1050px) {
  .nav {
    display: none;
  }

  .hero__grid,
  .product,
  .dark-grid,
  .contact-card,
  .mechanism {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    min-height: auto;
  }

  .visual-card {
    display: none;
  }

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

  .info-grid {
    grid-template-columns: 1fr;
  }

  .info-card--large {
    grid-row: auto;
  }

  .contact-card .btn {
    width: fit-content;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 24px, 1160px);
  }

  .header__inner {
    min-height: 66px;
  }

  .logo__mark {
    width: 38px;
    height: 38px;
  }

  .logo__text {
    font-size: 15px;
  }

  .header__btn {
    padding: 10px 14px;
    font-size: 14px;
  }

  .hero {
    padding: 46px 0 42px;
  }

  .hero h1 {
    font-size: 36px;
    letter-spacing: -0.03em;
  }

  .lead {
    font-size: 17px;
  }

  .hero__mini,
  .strip__grid,
  .timeline,
  .analogs-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 56px 0;
  }

  .product__image,
  .info-card,
  .timeline__item,
  .contact-card,
  .mechanism {
    padding: 24px;
    border-radius: 24px;
  }

  .hero__actions,
  .hero__actions .btn,
  .contact-card .btn {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .mechanism__badges {
    justify-content: flex-start;
  }
}


/* Дополнительная стабилизация верстки */
main {
  overflow: hidden;
}

.header__inner,
.hero__grid,
.product,
.dark-grid,
.contact-card,
.mechanism {
  min-width: 0;
}

.nav a,
.logo__text,
.header__btn,
.btn,
summary {
  overflow-wrap: anywhere;
}

.hero__content,
.product__text,
.section-head,
.risk-card__intro {
  min-width: 0;
}

.hero__visual img,
.product__image img {
  object-fit: cover;
}

.risk-section {
  background: linear-gradient(180deg, #fff7ed, #f8fbff);
}

.risk-card {
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid #fed7aa;
  border-radius: 36px;
  background:
    radial-gradient(circle at 100% 0%, rgba(251, 146, 60, 0.16), transparent 34%),
    var(--white);
  box-shadow: var(--shadow);
}

.kicker--warning {
  color: #c2410c;
  background: #fff7ed;
  border-color: #fed7aa;
}

.risk-card__intro {
  max-width: 900px;
  margin-bottom: 26px;
}

.risk-card__intro h2 {
  margin: 14px 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.risk-card__intro p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.risk-grid article {
  min-width: 0;
  padding: 24px;
  border: 1px solid #ffedd5;
  border-radius: 24px;
  background: #fffaf5;
}

.risk-grid span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  border-radius: 15px;
  color: #c2410c;
  background: #ffedd5;
  font-weight: 900;
}

.risk-grid h3 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.2;
}

.risk-grid p {
  margin: 0;
  color: #5d6b7d;
}

.risk-note {
  margin-top: 20px;
  padding: 18px 20px;
  border-radius: 22px;
  background: #0f172a;
  color: #e5e7eb;
}

.risk-note b {
  color: #fed7aa;
}

@media (max-width: 1180px) {
  .header__inner {
    gap: 14px;
  }

  .nav {
    gap: 14px;
    font-size: 14px;
  }
}

@media (max-width: 900px) {
  .header__inner {
    flex-wrap: wrap;
    justify-content: center;
    padding: 12px 0;
  }

  .logo {
    flex: 1 1 auto;
  }

  .header__btn {
    flex: 0 0 auto;
  }

  .risk-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    line-height: 1.55;
  }

  .container {
    width: min(100% - 24px, 1160px);
  }

  .header {
    position: sticky;
  }

  .header__inner {
    justify-content: space-between;
  }

  .logo {
    max-width: calc(100% - 112px);
  }

  .logo__text {
    white-space: normal;
    line-height: 1.15;
  }

  .hero h1 {
    font-size: clamp(32px, 10vw, 40px);
  }

  .hero__visual img {
    width: 100%;
    border-radius: 24px;
  }

  .risk-card {
    padding: 24px;
    border-radius: 24px;
  }

  .risk-grid article {
    padding: 20px;
  }
}