:root {
  --blue: #16a9e1;
  --blue-dark: #087fb2;
  --blue-soft: #eaf8fd;
  --ink: #101827;
  --ink-2: #1c2738;
  --muted: #627085;
  --line: #dfe7ef;
  --white: #ffffff;
  --surface: #f5f8fb;
  --radius: 22px;
  --shadow: 0 26px 70px rgba(10, 32, 50, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(223, 231, 239, 0.8);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand img,
.site-footer img {
  width: 176px;
  height: 54px;
  object-fit: contain;
  object-position: left center;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #3d4a5e;
  font-size: 14px;
  font-weight: 650;
}

.main-nav a {
  transition: color 160ms ease;
}

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

.nav-login {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  gap: 9px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 13px;
  color: var(--white) !important;
  background: var(--ink);
  box-shadow: 0 10px 26px rgba(16, 24, 39, 0.15);
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease, transform 160ms ease !important;
}

.nav-login:hover,
.nav-login:focus-visible {
  border-color: var(--blue-dark);
  color: var(--white) !important;
  background: var(--blue-dark);
  transform: translateY(-1px);
}

.nav-login-icon {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 8px;
  color: var(--ink);
  background: var(--blue);
  font-size: 14px;
  line-height: 1;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 690px;
  color: var(--white);
  background:
    linear-gradient(115deg, rgba(16, 24, 39, 0.98), rgba(16, 24, 39, 0.88)),
    radial-gradient(circle at 80% 20%, #16a9e1, transparent 46%);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to right, black, transparent 88%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
}

.hero-glow-one {
  top: -220px;
  right: -160px;
  width: 560px;
  height: 560px;
  background: rgba(22, 169, 225, 0.18);
}

.hero-glow-two {
  bottom: -180px;
  left: 36%;
  width: 400px;
  height: 400px;
  background: rgba(8, 127, 178, 0.14);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 690px;
  align-items: center;
  grid-template-columns: minmax(0, 1fr);
  padding-block: 92px;
}

.hero-copy {
  max-width: 850px;
}

.eyebrow,
.section-label {
  display: inline-block;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
}

.hero h1 {
  max-width: 720px;
  margin: 18px 0 24px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 680px;
  margin: 0;
  color: #c9d5e3;
  font-size: clamp(17px, 2vw, 20px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 800;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #062331;
  background: var(--blue);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #36b8e8;
}

.button-ghost {
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 38px;
  color: #99a9bc;
  font-size: 13px;
}

.trust-row span::before {
  margin-right: 8px;
  color: var(--blue);
  content: "●";
  font-size: 8px;
}

.section {
  padding-block: 100px;
}

.intro-grid {
  display: grid;
  align-items: start;
  grid-template-columns: 1fr 0.8fr;
  gap: 90px;
}

.section h2 {
  margin: 14px 0 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.intro-grid > p,
.section-heading > p,
.security-copy > p {
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.modules-section {
  background: var(--surface);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading > p {
  margin-top: 18px;
}

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

.module-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.module-card:hover {
  border-color: #9eddf3;
  box-shadow: 0 18px 40px rgba(15, 47, 68, 0.08);
  transform: translateY(-4px);
}

.module-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  color: var(--blue-dark);
  background: var(--blue-soft);
  font-size: 12px;
  font-weight: 850;
}

.module-card h3 {
  margin: 26px 0 10px;
  font-size: 20px;
}

.module-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

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

.security-grid {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr 0.85fr;
  gap: 90px;
}

.security-copy > p {
  margin-top: 24px;
}

.security-list {
  display: grid;
  gap: 12px;
}

.security-list > div {
  display: grid;
  gap: 4px;
  padding: 20px 22px;
  border-left: 4px solid var(--blue);
  border-radius: 0 14px 14px 0;
  background: var(--surface);
}

.security-list span {
  color: var(--muted);
  font-size: 14px;
}

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

.cta-inner {
  display: flex;
  min-height: 290px;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
}

.cta-inner h2 {
  max-width: 700px;
  margin: 12px 0 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.light-label {
  color: #bdeafa;
}

.button-light {
  flex: 0 0 auto;
  color: var(--ink);
  background: var(--white);
}

.site-footer {
  padding-block: 30px;
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  color: var(--muted);
  font-size: 12px;
}

.site-footer img {
  width: 142px;
  height: 42px;
}

@media (max-width: 920px) {
  .main-nav a:not(.nav-login) {
    display: none;
  }

  .hero-grid,
  .intro-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 50px;
    padding-block: 72px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .intro-grid,
  .security-grid {
    gap: 34px;
  }

  .intro-grid > p {
    margin-top: 0;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .header-inner {
    min-height: 68px;
  }

  .brand img {
    width: 132px;
    height: 42px;
  }

  .nav-login {
    padding: 9px 13px;
    font-size: 12px;
  }

  .hero,
  .hero-grid {
    min-height: auto;
  }

  .hero-grid {
    padding-block: 58px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .trust-row {
    display: grid;
    gap: 8px;
  }

  .section {
    padding-block: 72px;
  }

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

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

  .cta-inner {
    min-height: 340px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .button-light {
    width: 100%;
  }

  .footer-inner {
    justify-items: start;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .footer-inner p {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}