* {
  box-sizing: border-box;
}

:root {
  font-family: Arial, sans-serif;

  color: #17304f;
  background: #f4f8fc;

  --navy: #102b4f;
  --blue: #287bb5;
  --sky: #7fd1f2;
  --ice: #e8f7ff;
  --white: #ffffff;
  --muted: #5e7188;
  --border: #d8e6f1;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #f4f8fc;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: space-between;

  gap: 20px;

  padding:
    max(14px, env(safe-area-inset-top))
    max(20px, calc(env(safe-area-inset-right) + 20px))
    14px
    max(20px, calc(env(safe-area-inset-left) + 20px));

  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(216, 230, 241, 0.9);

  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

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

  gap: 10px;

  text-decoration: none;
}

.brand-mark {
  font-size: 26px;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  color: #66809a;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.top-cta {
  padding: 10px 15px;

  border-radius: 999px;

  background: var(--navy);
  color: #ffffff;

  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: min(820px, 82dvh);

  display: grid;
  place-items: center;

  padding: 74px 24px;

  overflow: hidden;

  color: #ffffff;
  text-align: center;

  background:
    radial-gradient(circle at 18% 15%, rgba(158, 225, 255, 0.46), transparent 28%),
    radial-gradient(circle at 80% 8%, rgba(179, 144, 255, 0.34), transparent 26%),
    linear-gradient(155deg, #0c2749 0%, #245f92 58%, #82cde9 100%);
}

.hero-content {
  position: relative;
  z-index: 2;

  width: min(880px, 100%);
}

.eyebrow,
.section-label {
  display: inline-block;

  margin-bottom: 17px;

  color: #4d94c7;

  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.84);
}

.hero h1 {
  max-width: 850px;
  margin: 0 auto 23px;

  font-size: clamp(46px, 9vw, 86px);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.hero p {
  max-width: 720px;
  margin: 0 auto;

  color: rgba(255, 255, 255, 0.9);

  font-size: clamp(18px, 3vw, 24px);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;

  gap: 12px;

  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 48px;
  padding: 13px 21px;

  border: 1px solid transparent;
  border-radius: 999px;

  font-weight: 800;
  text-decoration: none;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.button.primary {
  background: #ffffff;
  color: #17304f;
}

.button.ghost {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.button.large {
  min-height: 54px;
  padding: 15px 25px;
}

.hero-orbs span {
  position: absolute;

  border-radius: 50%;

  background: rgba(255, 255, 255, 0.13);
  filter: blur(1px);

  animation: float 8s ease-in-out infinite;
}

.hero-orbs span:nth-child(1) {
  width: 190px;
  height: 190px;
  left: -45px;
  bottom: 10%;
}

.hero-orbs span:nth-child(2) {
  width: 110px;
  height: 110px;
  right: 8%;
  top: 17%;
  animation-delay: -2s;
}

.hero-orbs span:nth-child(3) {
  width: 70px;
  height: 70px;
  right: 22%;
  bottom: 8%;
  animation-delay: -4s;
}

@keyframes float {
  50% {
    transform: translateY(-16px);
  }
}

.section {
  padding: clamp(66px, 9vw, 110px) 24px;
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);

  gap: clamp(34px, 7vw, 90px);
  align-items: start;
}

.section h2 {
  max-width: 840px;
  margin: 0 0 24px;

  color: #17304f;

  font-size: clamp(34px, 6vw, 60px);
  line-height: 1.03;
  letter-spacing: -0.035em;
}

.section p {
  color: var(--muted);

  font-size: 18px;
  line-height: 1.72;
}

.intro {
  background: #eaf6fd;
}

.intro p + p {
  margin-top: 18px;
}

.light {
  background: #ffffff;
}

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

  gap: 18px;

  margin-top: 38px;
}

.steps article,
.feature-card {
  padding: 27px;

  border: 1px solid var(--border);
  border-radius: 20px;

  background: #ffffff;

  box-shadow: 0 12px 34px rgba(19, 48, 80, 0.06);
}

.step-number {
  display: inline-grid;
  place-items: center;

  width: 43px;
  height: 43px;

  margin-bottom: 20px;

  border-radius: 50%;

  background: var(--navy);
  color: #ffffff;

  font-size: 13px;
  font-weight: 800;
}

.steps h3,
.feature-card h3 {
  margin: 0 0 10px;

  color: #17304f;
  font-size: 21px;
}

.steps p,
.feature-card p {
  margin: 0;
  font-size: 16px;
}

.features-section {
  background: #f3f8fc;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  gap: 16px;

  margin-top: 38px;
}

.feature-card {
  min-height: 245px;
}

.feature-icon {
  display: inline-grid;
  place-items: center;

  width: 52px;
  height: 52px;

  margin-bottom: 18px;

  border-radius: 16px;

  background: #e5f4fc;

  font-size: 27px;
}

.themes-section {
  color: #ffffff;

  background:
    radial-gradient(circle at 15% 15%, rgba(112, 204, 245, 0.32), transparent 30%),
    linear-gradient(155deg, #0c2749, #174b79);
}

.themes-section .section-label,
.themes-section h2,
.themes-section p {
  color: #ffffff;
}

.themes-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;

  gap: 40px;
  align-items: end;
}

.themes-heading p {
  color: rgba(255, 255, 255, 0.78);
}

.theme-cloud {
  display: flex;
  flex-wrap: wrap;

  gap: 10px;

  margin-top: 40px;
}

.theme-cloud span {
  padding: 11px 15px;

  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;

  background: rgba(255, 255, 255, 0.1);

  font-size: 14px;
  font-weight: 700;
}

.difference-section {
  background: #ffffff;
}

.check-list {
  display: grid;
  gap: 13px;

  margin: 0;
  padding: 0;

  list-style: none;
}

.check-list li {
  position: relative;

  padding: 17px 18px 17px 50px;

  border: 1px solid var(--border);
  border-radius: 15px;

  background: #f8fbfd;

  color: #4f6379;
  font-size: 17px;
  line-height: 1.45;
}

.check-list li::before {
  content: "✓";

  position: absolute;
  left: 18px;
  top: 15px;

  display: grid;
  place-items: center;

  width: 23px;
  height: 23px;

  border-radius: 50%;

  background: #2f86bd;
  color: #ffffff;

  font-size: 13px;
  font-weight: 800;
}

.final-cta {
  padding: 90px 24px;

  color: #ffffff;
  text-align: center;

  background:
    radial-gradient(circle at bottom right, rgba(138, 218, 251, 0.38), transparent 32%),
    linear-gradient(150deg, #0d294a, #286d9f);
}

.final-cta-content {
  width: min(820px, 100%);
  margin: 0 auto;
}

.final-cta .section-label {
  color: rgba(255, 255, 255, 0.78);
}

.final-cta h2 {
  margin: 0 auto 20px;

  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.final-cta p {
  max-width: 690px;
  margin: 0 auto 28px;

  color: rgba(255, 255, 255, 0.82);

  font-size: 19px;
  line-height: 1.65;
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;

  gap: 22px;

  padding:
    30px
    max(24px, calc(env(safe-area-inset-right) + 20px))
    max(30px, calc(env(safe-area-inset-bottom) + 20px))
    max(24px, calc(env(safe-area-inset-left) + 20px));

  background: #f4f8fc;
  color: #5d7188;
}

footer strong {
  color: #17304f;
}

footer p {
  margin: 5px 0 0;
}

footer a {
  color: #286f9f;
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 920px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .split,
  .themes-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .topbar {
    padding-left: 16px;
    padding-right: 16px;
  }

  .top-cta {
    padding: 9px 12px;
    font-size: 12px;
  }

  .hero {
    min-height: 74dvh;
    padding-top: 62px;
    padding-bottom: 62px;
  }

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

@media (max-width: 580px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section {
    padding-left: 19px;
    padding-right: 19px;
  }
}