:root {
  --ink: #10243b;
  --muted: #587089;
  --soft: #edf7ff;
  --line: #d7e8f4;
  --aqua: #22c7df;
  --deep: #063b7a;
  --ice: #dff6ff;
  --navy: #061a33;
  --coral: #ff8a6b;
  --paper: #ffffff;
  --shadow: 0 22px 55px rgba(6, 45, 96, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #f7fbff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 72px);
  background: rgba(247, 251, 255, 0.9);
  border-bottom: 1px solid rgba(6, 59, 122, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 7px 10px;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(6, 45, 96, 0.08);
}

.brand img {
  display: block;
  width: min(196px, 42vw);
  height: auto;
}

nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

nav a,
.text-link {
  text-decoration: none;
}

nav a:hover,
.text-link:hover {
  color: var(--deep);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.header-cta,
.button.primary {
  color: #fff;
  background: linear-gradient(135deg, #0758b8, #10a7d3);
  box-shadow: 0 12px 30px rgba(6, 74, 157, 0.24);
}

.button.primary:hover,
.header-cta:hover {
  background: linear-gradient(135deg, #064b9d, #0795c0);
}

.button.secondary {
  color: var(--deep);
  background: #fff;
  border-color: var(--line);
}

.button.full {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(44px, 8vw, 110px) clamp(18px, 6vw, 92px);
  background:
    radial-gradient(circle at 74% 20%, rgba(34, 199, 223, 0.34), transparent 34%),
    radial-gradient(circle at 88% 78%, rgba(83, 152, 255, 0.24), transparent 30%),
    linear-gradient(135deg, #f7fbff 0%, #eaf6ff 47%, #dff3ff 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.45rem, 6vw, 3.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 18px;
  font-size: clamp(1.9rem, 4vw, 3.00rem);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
  line-height: 1.2;
}

.hero-text {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.13rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 12px;
  border: 1px solid rgba(4, 63, 79, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--deep);
  font-size: 0.9rem;
  font-weight: 700;
}

.hero-product {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 430px;
}

.hero-product img {
  position: relative;
  z-index: 1;
  width: min(78vw, 440px);
  filter: drop-shadow(0 32px 42px rgba(3, 40, 50, 0.25));
}

.product-glow {
  position: absolute;
  width: min(68vw, 440px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: conic-gradient(from 180deg, rgba(132, 189, 73, 0.28), rgba(29, 183, 179, 0.45), rgba(255, 122, 89, 0.24), rgba(132, 189, 73, 0.28));
  background: conic-gradient(from 180deg, rgba(25, 111, 255, 0.3), rgba(34, 199, 223, 0.48), rgba(184, 231, 255, 0.7), rgba(25, 111, 255, 0.3));
  filter: blur(10px);
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.proof-band div {
  padding: 28px clamp(18px, 4vw, 46px);
  background: #fff;
}

.proof-band strong {
  display: block;
  font-size: 1.45rem;
}

.proof-band span {
  color: var(--muted);
}

.section {
  padding: clamp(62px, 9vw, 118px) clamp(18px, 6vw, 92px);
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(34px, 6vw, 80px);
  align-items: start;
}

.split p,
.section-heading p,
.compare-list p,
.guarantee p,
.faq p,
.footer p {
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--deep);
  font-weight: 900;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article,
.step-row article,
.price-card,
.faq details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 8px 22px rgba(7, 48, 61, 0.06);
}

.feature-grid article {
  min-height: 210px;
  padding: 26px;
}

.feature-grid span {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--coral);
  font-weight: 900;
}

.steps {
  background:
    radial-gradient(circle at 18% 8%, rgba(34, 199, 223, 0.22), transparent 28%),
    linear-gradient(135deg, #061a33 0%, #073b75 58%, #075d92 100%);
  color: #fff;
}

.steps .eyebrow,
.steps p {
  color: #b5efea;
}

.steps .step-row p {
  color: var(--muted);
}

.step-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 32px;
}

.step-row article {
  padding: 28px;
  color: var(--ink);
}

.step-row strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 8px;
  color: #fff;
  background: var(--aqua);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.prices {
  background: #f2f8f7;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 520px;
  padding: 24px;
}

.price-card.featured {
  border: 2px solid var(--aqua);
  box-shadow: var(--shadow);
}

.price-card img {
  align-self: center;
  width: 227px;
  height: 220px;
  object-fit: contain;
  margin: 8px 0 18px;
}

.badge {
  align-self: flex-start;
  margin: 0;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--deep);
  background: #dff5f2;
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.price-line {
  margin: auto 0 4px;
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--deep);
}

.price-line span {
  margin-right: 8px;
  color: #8aa0a8;
  font-size: 1.05rem;
  text-decoration: line-through;
}

.saving {
  min-height: 28px;
  margin: 0 0 22px;
  color: var(--coral);
  font-weight: 800;
}

.payments {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
  color: var(--muted);
}

.payments img {
  width: 190px;
}

.compare {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(30px, 5vw, 72px);
}

.compare-list {
  display: grid;
  gap: 16px;
}

.compare-list p {
  margin: 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.reviews {
  background: #fff;
}

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

.review-card {
  min-height: 360px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfa 100%);
  box-shadow: 0 8px 22px rgba(7, 48, 61, 0.06);
}

.review-card img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--deep);
}

.stars {
  margin: 18px 0 12px;
  color: #f2a21b;
  font-size: 1rem;
  letter-spacing: 0;
}

.review-card p {
  color: var(--muted);
}

.guarantee {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin: 0 clamp(18px, 6vw, 92px);
  padding: 34px;
  border-radius: 8px;
  color: #fff;
  background:
    radial-gradient(circle at 18% 28%, rgba(34, 199, 223, 0.3), transparent 32%),
    linear-gradient(135deg, #061a33 0%, #092d5c 52%, #064f8d 100%);
  box-shadow: var(--shadow);
}

.guarantee img {
  width: 138px;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.32));
}

.guarantee h2 {
  color: #fff;
}

.guarantee p {
  color: #c8e2e2;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq details {
  padding: 20px 22px;
}

.faq summary {
  cursor: pointer;
  font-weight: 900;
}

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  padding: 42px clamp(18px, 6vw, 92px);
  color: #dceeed;
  background: linear-gradient(135deg, #061a33 0%, #0a2445 100%);
}

.footer .brand {
  width: max-content;
  background: #fff;
}

.footer p {
  max-width: 680px;
  margin: 16px 0 0;
  color: #b8cbcf;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
  gap: 10px;
}

.footer-links button {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  color: #fff;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
}

.footer-links button:hover {
  background: rgba(255, 255, 255, 0.08);
}

.copyright {
  grid-column: 1 / -1;
  font-size: 0.9rem;
}

.modal,
.exit-popup {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.modal.is-open,
.exit-popup.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 25, 32, 0.64);
}

.modal-panel,
.exit-panel {
  position: relative;
  width: min(100%, 720px);
  max-height: min(82vh, 720px);
  overflow: auto;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
}

.modal-panel {
  padding: 34px;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  color: var(--ink);
  background: #edf4f3;
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.modal-panel h2,
.exit-panel h2 {
  padding-right: 38px;
  font-size: clamp(1.6rem, 4vw, 2.45rem);
}

.modal-panel p,
.modal-panel li,
.exit-panel p {
  color: var(--muted);
}

.exit-panel {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 34px;
}

.exit-panel img {
  width: 227px;
  height: 220px;
  object-fit: contain;
}

@media (max-width: 920px) {
  .site-header {
    flex-wrap: wrap;
  }

  nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }

  .hero,
  .split,
  .compare {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .proof-band,
  .pricing-grid,
  .review-grid,
  .step-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .guarantee {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .guarantee img {
    margin: 0 auto;
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    align-items: flex-start;
  }

  .brand {
    max-width: 190px;
  }

  .header-cta {
    padding: 0 14px;
  }

  nav {
    justify-content: flex-start;
    overflow-x: auto;
  }

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

  .button {
    width: 100%;
  }

  .hero-product {
    min-height: 280px;
  }

  .proof-band,
  .feature-grid,
  .pricing-grid,
  .review-grid,
  .step-row,
  .footer,
  .exit-panel {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    justify-content: flex-start;
  }
}
