:root {
  --blue: #005fc0;
  --cyan: #0aa8e8;
  --ink: #0d2340;
  --muted: #526275;
  --line: #d9e2ed;
  --soft: #f3f7fb;
  --white: #ffffff;
  --green: #18a15e;
  --orange: #d96c00;
  --shadow: 0 20px 45px rgba(15, 35, 65, 0.14);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

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

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
}

.skip-link:focus {
  top: 14px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(217, 226, 237, 0.8);
  backdrop-filter: blur(10px);
}

.topbar.is-elevated {
  box-shadow: 0 8px 24px rgba(13, 35, 64, 0.09);
}

.brand {
  flex: 0 0 auto;
  text-decoration: none;
}

.brand img {
  width: 220px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: #1b3555;
  font-size: 15px;
}

.nav a {
  text-decoration: none;
  white-space: nowrap;
}

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

.nav-download {
  padding: 9px 14px;
  color: var(--white) !important;
  background: var(--blue);
  border-radius: 6px;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  padding: 9px 12px;
  border-radius: 6px;
  font: inherit;
}

.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: #091c34;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.9;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 20, 38, 0.9) 0%, rgba(5, 20, 38, 0.74) 43%, rgba(5, 20, 38, 0.28) 100%),
    linear-gradient(180deg, rgba(5, 20, 38, 0.2) 0%, rgba(5, 20, 38, 0.62) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(850px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding: 76px 0 108px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #70d8ff;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 12px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 710px;
  color: #edf6ff;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(8, 32, 60, 0.16);
}

.button-primary {
  background: var(--green);
  color: var(--white);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.button-block {
  width: 100%;
  margin-top: 8px;
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.trust-list li {
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 999px;
  color: #f3fbff;
  font-size: 14px;
}

.download-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 6vw, 80px);
  background: #f8fbfe;
  border-bottom: 1px solid var(--line);
}

.download-band h2 {
  margin-bottom: 4px;
  font-size: clamp(24px, 3vw, 34px);
}

.download-band p {
  margin-bottom: 0;
  color: var(--muted);
}

.section {
  padding: 82px clamp(20px, 6vw, 80px);
}

.section-tight {
  padding-top: 72px;
}

.section-heading {
  width: min(850px, 100%);
  margin: 0 auto 38px;
  text-align: center;
}

.section-heading p {
  color: var(--muted);
  font-size: 18px;
}

.align-left {
  margin-left: 0;
  text-align: left;
}

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

.interface-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

.interface-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #081728;
  box-shadow: var(--shadow);
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.step strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 22px;
}

.step span {
  color: #1c344f;
  font-size: 18px;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 340px;
  gap: 18px;
  align-items: stretch;
}

.text-block,
.feature-card,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.text-block,
.feature-card {
  padding: 26px;
  box-shadow: 0 10px 30px rgba(22, 49, 78, 0.06);
}

.text-block p,
.feature-card p,
.faq-list p,
.legal-page p {
  color: var(--muted);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 42px;
  margin-bottom: 18px;
  padding: 0 10px;
  border-radius: 50%;
  background: #e9f5ff;
  color: var(--blue);
  font-weight: 900;
  font-size: 13px;
}

.keyword-list {
  margin: 0 0 20px;
  padding-left: 20px;
  color: var(--muted);
}

.keyword-list li + li {
  margin-top: 8px;
}

.use-section {
  background: var(--soft);
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.link-grid a {
  min-height: 68px;
  display: flex;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.link-grid a:hover {
  background: #eef7ff;
}

.faq-section {
  background: #f7fafc;
}

.faq-list {
  width: min(900px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.faq-list p {
  margin: 12px 0 0;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(20px, 6vw, 80px);
  border-top: 1px solid var(--line);
  background: var(--white);
}

.footer img {
  width: 190px;
  margin-bottom: 10px;
}

.footer p {
  max-width: 460px;
  margin-bottom: 0;
  color: var(--muted);
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.footer a {
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
}

.simple-page {
  padding: 56px clamp(20px, 6vw, 80px);
  background: var(--soft);
}

.legal-page {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 34px rgba(20, 43, 70, 0.08);
}

.legal-page h1 {
  color: var(--ink);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
}

@media (max-width: 1020px) {
  .content-grid,
  .link-grid {
    grid-template-columns: 1fr 1fr;
  }

  .keyword-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .nav.nav-open {
    display: flex;
  }

  .nav a {
    padding: 12px 10px;
  }

  .nav-download {
    text-align: center;
  }

  .brand img {
    width: 178px;
  }

  .hero {
    min-height: 78vh;
  }

  .hero-content {
    padding-top: 58px;
  }

  .download-band,
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 620px) {
  .hero-actions,
  .trust-list {
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
  }

  .download-band {
    align-items: stretch;
  }

  .step,
  .content-grid,
  .link-grid {
    grid-template-columns: 1fr;
  }

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