:root {
  color-scheme: light;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  background:
    radial-gradient(circle at 12% 8%, rgba(37, 99, 235, .09), transparent 30rem),
    radial-gradient(circle at 86% 18%, rgba(20, 184, 166, .12), transparent 28rem),
    #ffffff;
}

::selection {
  background: rgba(37, 99, 235, .18);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(219, 231, 245, .9);
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
}

.brand span {
  display: grid;
  width: 2.55rem;
  height: 2.55rem;
  place-items: center;
  border-radius: .65rem;
  background: #2563eb;
  color: #fff;
  font-size: .8rem;
  font-weight: 800;
}

.brand strong {
  color: #102033;
  font-size: 1rem;
  letter-spacing: .01em;
}

.language-select {
  appearance: none;
  width: 10rem;
  border: 1px solid #d5e2f0;
  border-radius: .65rem;
  background-color: #fff;
  color: #24364d;
  font-size: .9rem;
  font-weight: 600;
  padding: .65rem 2.25rem .65rem .8rem;
  background-image:
    linear-gradient(45deg, transparent 50%, #66758a 50%),
    linear-gradient(135deg, #66758a 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

.language-select:focus {
  outline: 3px solid rgba(37, 99, 235, .18);
  border-color: #2563eb;
}

.hero {
  border-bottom: 1px solid #e4eef8;
  background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: #0f766e;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 18.5ch;
  margin-top: 1rem;
  color: #102033;
  font-size: clamp(2.35rem, 4.4vw, 3.85rem);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -.018em;
  text-wrap: balance;
}

.lead {
  max-width: 42rem;
  margin-top: 1.45rem;
  color: #52627a;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.75;
}

.policy-note {
  max-width: 42rem;
  margin-top: 1.1rem;
  color: #66758a;
  font-size: .9rem;
  line-height: 1.6;
}

.primary-button,
.secondary-button {
  display: inline-flex;
  min-height: 3.2rem;
  align-items: center;
  justify-content: center;
  border-radius: .65rem;
  padding: .85rem 1.15rem;
  font-weight: 800;
  text-align: center;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.primary-button {
  background: #2563eb;
  color: #fff;
  box-shadow: 0 18px 36px rgba(37, 99, 235, .18);
}

.secondary-button {
  border: 1px solid #cddced;
  background: #fff;
  color: #102033;
}

.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.hero-visual {
  border: 1px solid #dce9f6;
  border-radius: 1rem;
  background: #fff;
  padding: .65rem;
  box-shadow: 0 26px 70px rgba(24, 50, 85, .12);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: .75rem;
}

.section {
  max-width: 80rem;
  margin: 0 auto;
  padding: 5.4rem 1rem;
}

@media (min-width: 640px) {
  .section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .section {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.section-title {
  max-width: 54rem;
  margin-bottom: 2rem;
}

.section-title h2,
.workflow h2,
.download-band h2,
.safety h2 {
  margin-top: .8rem;
  color: #102033;
  font-size: clamp(2.1rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.015em;
  text-wrap: balance;
}

.section-title > p:last-child,
.download-band p,
.safety p {
  margin-top: 1rem;
  color: #52627a;
  font-size: 1.05rem;
  line-height: 1.75;
}

.practice-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 850px) {
  .practice-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.practice-grid article {
  min-height: 18rem;
  border: 1px solid #dbe7f5;
  border-radius: .85rem;
  background: #fff;
  padding: 1.4rem;
  box-shadow: 0 16px 36px rgba(24, 50, 85, .06);
}

.practice-grid b {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 2.2rem;
  place-items: center;
  border-radius: .65rem;
  background: #eaf3ff;
  color: #2563eb;
}

.practice-grid h3,
.feature-list h3 {
  color: #102033;
  font-size: 1.16rem;
  font-weight: 800;
  line-height: 1.3;
}

.practice-grid p,
.feature-list p,
.workflow span,
.safety li {
  color: #52627a;
  line-height: 1.72;
}

.practice-grid p,
.feature-list p {
  margin-top: .75rem;
}

.soft-band,
.download-band {
  max-width: none;
  border-block: 1px solid #dbe7f5;
  background: #f5f9ff;
}

.soft-band > *,
.download-band > * {
  max-width: 76rem;
  margin-inline: auto;
}

.feature-list {
  display: grid;
  gap: 1rem;
}

@media (min-width: 900px) {
  .feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.feature-list article {
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 1rem;
  min-height: 10.5rem;
  border: 1px solid #dbe7f5;
  border-radius: .85rem;
  background: #fff;
  padding: 1.25rem;
}

.feature-list span {
  display: grid;
  width: 3.25rem;
  height: 3.25rem;
  place-items: center;
  border-radius: .75rem;
  background: #eef7f5;
  color: #0f766e;
  font-size: .8rem;
  font-weight: 800;
}

.workflow {
  display: grid;
  gap: 2.2rem;
}

@media (min-width: 960px) {
  .workflow {
    grid-template-columns: .86fr 1fr;
    align-items: start;
  }
}

.workflow ol {
  display: grid;
  gap: .85rem;
  counter-reset: item;
}

.workflow li {
  display: grid;
  gap: .35rem;
  border: 1px solid #dbe7f5;
  border-radius: .85rem;
  background: #fff;
  padding: 1.2rem 1.25rem 1.2rem 4.25rem;
  position: relative;
}

.workflow li::before {
  counter-increment: item;
  content: counter(item);
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: .55rem;
  background: #2563eb;
  color: #fff;
  font-weight: 800;
}

.workflow strong {
  color: #102033;
  font-weight: 800;
}

.buy-band {
  padding-top: 4.4rem;
  padding-bottom: 4.4rem;
}

.buy-card {
  display: grid;
  gap: 1.6rem;
  align-items: center;
  border: 1px solid #dbe7f5;
  border-radius: .9rem;
  background: linear-gradient(135deg, #ffffff 0%, #f4fbff 100%);
  padding: clamp(1.35rem, 3vw, 2.3rem);
  box-shadow: 0 22px 52px rgba(24, 50, 85, .08);
}

.buy-card h2 {
  margin-top: .8rem;
  color: #102033;
  font-size: clamp(1.85rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.015em;
  text-wrap: balance;
}

.buy-card p:not(.eyebrow) {
  max-width: 48rem;
  margin-top: .9rem;
  color: #52627a;
  font-size: 1.04rem;
  line-height: 1.72;
}

@media (min-width: 820px) {
  .buy-card {
    grid-template-columns: 1fr auto;
  }
}

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

.download-band p {
  max-width: 44rem;
  margin-inline: auto;
}

.safety {
  display: grid;
  gap: 2rem;
}

@media (min-width: 900px) {
  .safety {
    grid-template-columns: .85fr 1.15fr;
  }
}

.safety ul {
  display: grid;
  gap: .8rem;
  margin-top: 1.2rem;
}

.safety li {
  border-left: 3px solid #0f766e;
  background: #f7fbff;
  padding: .8rem 1rem;
}

footer {
  border-top: 1px solid #dbe7f5;
  padding: 2rem 1rem;
  color: #66758a;
  text-align: center;
  font-size: .92rem;
}

@media (max-width: 520px) {
  .language-select {
    width: 8rem;
  }

  .brand strong {
    display: none;
  }

  .primary-button,
  .secondary-button {
    width: 100%;
  }

  .feature-list article {
    grid-template-columns: 1fr;
  }
}