:root {
  --bg: #f7f9f8;
  --surface: #ffffff;
  --ink: #16201f;
  --muted: #63716f;
  --line: #dce5e1;
  --teal: #0e7c72;
  --teal-dark: #095b54;
  --shadow: 0 18px 55px rgba(17, 31, 29, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

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

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(247, 249, 248, 0.88);
  border-bottom: 1px solid rgba(220, 229, 225, 0.75);
  backdrop-filter: blur(18px);
}

.brand,
.top-nav,
.hero-actions,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 750;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #ffffff;
  background: var(--teal);
  border-radius: 8px;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.top-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
}

.header-action,
.button.primary {
  color: #ffffff;
  background: var(--teal);
}

.header-action:hover,
.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(360px, 1.15fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 54px 5vw 34px;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 760px;
  font-size: clamp(3rem, 8vw, 6.6rem);
}

.hero-text {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.hero-media {
  min-height: 360px;
}

.hero-media img {
  display: block;
  width: 100%;
  border: 1px solid rgba(220, 229, 225, 0.75);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.trust-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 0 5vw 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.trust-band div {
  display: grid;
  gap: 6px;
  padding: 22px;
  background: var(--surface);
}

.trust-band span,
.price-card p,
.security p,
.site-footer {
  color: var(--muted);
}

.section {
  padding: 72px 5vw;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.price-card,
.security-grid article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 330px;
  padding: 22px;
}

.price-card.featured {
  border-color: rgba(14, 124, 114, 0.55);
  box-shadow: var(--shadow);
}

.price-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.price-head h3,
.security h3 {
  margin: 0;
}

.price-head strong {
  white-space: nowrap;
  color: var(--teal);
  font-size: 1.3rem;
}

.price-card ul {
  display: grid;
  gap: 11px;
  margin: auto 0 0;
  padding-left: 18px;
}

.security {
  background: #eef4f2;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.security-grid article {
  padding: 22px;
}

.cta-section {
  background: #eef4f2;
}

.cta-inner {
  max-width: 680px;
}

.site-footer {
  justify-content: space-between;
  gap: 18px;
  padding: 28px 5vw 42px;
  border-top: 1px solid var(--line);
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 1060px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    flex-wrap: wrap;
    gap: 14px;
    padding: 14px 5vw;
  }

  .top-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
  }

  .header-action {
    min-height: 38px;
    padding: 0 12px;
    font-size: 0.9rem;
  }

  .hero {
    padding-top: 34px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 15vw, 4.5rem);
  }

  .trust-band,
  .pricing-grid,
  .security-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    display: grid;
  }
}