:root {
  --paper: #f4f7fb;
  --ink: #17212b;
  --muted: #5c6878;
  --accent: #1f67d2;
  --accent-dark: #174d9d;
  --teal: #1d5db7;
  --mist: #e2ebf8;
  --glass: rgba(255, 255, 255, 0.8);
  --panel: rgba(255, 255, 255, 0.72);
  --shadow: 0 28px 70px rgba(23, 33, 43, 0.12);
  --soft-shadow: 0 18px 40px rgba(23, 33, 43, 0.08);
  --radius: 28px;
  --max: 1100px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(31, 103, 210, 0.16), transparent 34%),
    radial-gradient(circle at 88% 14%, rgba(135, 162, 202, 0.18), transparent 28%),
    linear-gradient(180deg, #f8fbff 0%, #f0f4fa 44%, #f6f8fb 100%);
  min-height: 100vh;
}

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

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

.site-wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(248, 251, 255, 0.82);
  border-bottom: 1px solid rgba(23, 33, 43, 0.06);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "IBM Plex Serif", "Times New Roman", serif;
  font-size: 1.3rem;
  letter-spacing: 0.5px;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
  background: #ffffff;
  padding: 6px;
  box-shadow: 0 8px 20px rgba(28, 36, 48, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-weight: 600;
  color: var(--muted);
}

.nav a {
  padding: 8px 14px;
  border-radius: 999px;
  transition: all 0.2s ease;
}

.nav a:hover {
  background: rgba(31, 95, 191, 0.12);
  color: var(--teal);
}

main {
  padding: 42px 0 88px;
}

.hero {
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.28em;
  font-size: 0.72rem;
  color: var(--teal);
  margin-bottom: 12px;
  font-weight: 700;
}

h1,
h2,
h3 {
  font-family: "IBM Plex Serif", "Times New Roman", serif;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  line-height: 1.1;
}

.lead {
  font-size: 1.12rem;
  color: var(--muted);
  line-height: 1.8;
}

.hero-copy {
  max-width: none;
}

.hero-intro {
  position: relative;
  padding: 54px 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.54)),
    radial-gradient(circle at 50% 0%, rgba(31, 103, 210, 0.1), transparent 44%);
  border: 1px solid rgba(23, 33, 43, 0.07);
  border-radius: calc(var(--radius) + 6px);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-intro::before,
.hero-intro::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero-intro::before {
  width: 220px;
  height: 220px;
  top: -110px;
  left: -40px;
  background: radial-gradient(circle, rgba(31, 103, 210, 0.16), rgba(31, 103, 210, 0));
}

.hero-intro::after {
  width: 260px;
  height: 260px;
  right: -90px;
  bottom: -150px;
  background: radial-gradient(circle, rgba(29, 93, 183, 0.14), rgba(29, 93, 183, 0));
}

.hero-intro h1 {
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  margin-bottom: 10px;
  letter-spacing: -0.03em;
}

.hero-intro > * {
  position: relative;
  z-index: 1;
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 10px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 600;
}

.hero-points li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 6px rgba(31, 95, 191, 0.12);
  flex: 0 0 10px;
}

.actions {
  margin-top: 36px;
  margin-bottom: 0;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #ffffff;
  font-weight: 700;
  min-height: 50px;
  box-shadow: 0 18px 34px rgba(31, 103, 210, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(42, 111, 219, 0.38);
}

.subtle-button {
  border: 1px solid rgba(28, 36, 48, 0.18);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: none;
}

.hero-panel {
  background: var(--glass);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(23, 33, 43, 0.07);
  position: relative;
  overflow: hidden;
}

.flow-panel {
  padding: 8px 6px 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  overflow: visible;
}

.flow-section {
  margin-top: 36px;
}

.flow-header {
  position: relative;
  z-index: 1;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.flow-title {
  margin: 0;
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  max-width: 620px;
}

.flow-panel::before {
  content: none;
}

.mini-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--teal);
}

.flow-diagram {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: stretch;
}

.flow-step {
  min-height: 172px;
  height: 100%;
  padding: 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(23, 33, 43, 0.05);
  display: grid;
  grid-template-rows: auto auto 1fr;
  align-content: start;
  gap: 10px;
  box-shadow: 0 10px 22px rgba(23, 33, 43, 0.04);
}

.flow-step strong {
  font-family: "IBM Plex Serif", "Times New Roman", serif;
  font-size: 1.18rem;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  max-width: 20ch;
}

.flow-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--teal));
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 12px 24px rgba(42, 111, 219, 0.2);
}

.flow-arrow {
  font-size: 1.7rem;
  color: rgba(29, 93, 183, 0.42);
  font-weight: 700;
  align-self: center;
}

.section-title {
  margin: 62px 0 26px;
  font-size: 1.95rem;
  text-align: center;
}

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

.card {
  background: var(--panel);
  border-radius: 24px;
  padding: 28px 24px;
  border: 1px solid rgba(23, 33, 43, 0.06);
  box-shadow: 0 16px 32px rgba(23, 33, 43, 0.06);
  backdrop-filter: blur(10px);
}

.feature-card {
  position: relative;
  min-height: 228px;
}

.card-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(42, 111, 219, 0.14), rgba(31, 95, 191, 0.2));
  color: var(--teal);
  font-size: 1.15rem;
  font-weight: 700;
}

.card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

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

.policy {
  background: rgba(255, 255, 255, 0.9);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(28, 36, 48, 0.08);
  box-shadow: var(--shadow);
}

.policy p {
  color: var(--muted);
  line-height: 1.7;
}

.policy ul {
  padding-left: 18px;
  color: var(--muted);
}

.policy li {
  margin-bottom: 8px;
}

.site-footer {
  padding: 34px 0 40px;
  border-top: 1px solid rgba(23, 33, 43, 0.08);
  color: var(--muted);
  font-size: 0.95rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(23, 33, 43, 0.07);
  box-shadow: 0 12px 24px rgba(23, 33, 43, 0.06);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.social-link:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 95, 191, 0.28);
  background: rgba(255, 255, 255, 1);
}

.social-link svg {
  width: 18px;
  height: 18px;
  color: currentColor;
  flex: 0 0 18px;
}

.social-link svg .fill {
  fill: currentColor;
  stroke: none;
}

.disclaimer {
  font-size: 0.85rem;
  color: rgba(28, 36, 48, 0.7);
  line-height: 1.6;
  margin: 32px auto 0;
  max-width: 760px;
  text-align: center;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 12px;
  }

  .nav {
    width: auto;
    justify-content: flex-end;
    flex-wrap: nowrap;
    min-width: 0;
    font-size: 0.92rem;
  }

  main {
    padding: 20px 0 52px;
  }

  .hero {
    display: block;
  }

  .eyebrow {
    font-size: 0.64rem;
    letter-spacing: 0.2em;
    margin-bottom: 10px;
  }

  .hero-intro {
    padding: 30px 18px 24px;
    border-radius: 20px;
  }

  .hero-intro::before {
    width: 140px;
    height: 140px;
    top: -70px;
    left: -50px;
  }

  .hero-intro::after {
    width: 160px;
    height: 160px;
    right: -70px;
    bottom: -110px;
  }

  .hero-intro h1 {
    font-size: clamp(2.2rem, 12vw, 3rem);
    margin-bottom: 8px;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.65;
  }

  .hero-panel {
    padding: 0;
  }

  .flow-section {
    margin-top: 24px;
  }

  .flow-header {
    margin-bottom: 16px;
    display: block;
  }

  .flow-diagram {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .flow-step {
    min-height: auto;
    padding: 18px;
    border-radius: 16px;
  }

  .flow-step p {
    max-width: none;
  }

  .flow-arrow {
    justify-self: center;
    transform: rotate(90deg);
    font-size: 1.2rem;
  }

  .site-wrap {
    padding: 0 14px;
  }

  .section-title {
    margin-top: 44px;
    margin-bottom: 18px;
    font-size: 1.6rem;
    text-align: center;
  }

  .cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .feature-card {
    min-height: auto;
    padding: 22px 18px;
  }

  .brand {
    gap: 10px;
    font-size: 1.05rem;
    min-width: 0;
  }

  .brand img {
    width: 42px;
    height: 42px;
    padding: 4px;
  }

  .actions {
    margin-top: 28px;
    flex-direction: column;
    align-items: stretch;
  }

  .button {
    width: 100%;
    min-height: 48px;
    padding: 12px 20px;
  }

  .footer-inner {
    justify-content: center;
    text-align: center;
  }

  .social-links {
    justify-content: center;
    width: 100%;
  }
}
