:root {
  color-scheme: light;
  --ink: #152033;
  --muted: #5d6a7d;
  --line: #dbe3ef;
  --paper: #ffffff;
  --soft: #f4f7fb;
  --blue: #1663e9;
  --blue-dark: #0d3f9d;
  --coral: #f06b4f;
  --green: #1a936f;
  --shadow: 0 18px 45px rgba(24, 40, 72, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--soft);
  letter-spacing: 0;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  color: #fff;
  background: var(--blue);
  font-weight: 800;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1px;
}

nav {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: stretch;
  min-height: 620px;
  background: var(--paper);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 7vw, 86px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 680px;
  margin-bottom: 20px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.03;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
}

h3 {
  font-size: 21px;
  line-height: 1.25;
}

.lead {
  max-width: 620px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.hero-actions,
.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.hero-actions {
  flex-wrap: wrap;
  margin-top: 8px;
}

.button {
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(22, 99, 233, 0.14);
}

.button.primary {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.button.secondary {
  background: #eef4ff;
  border-color: #cfe0ff;
  color: var(--blue-dark);
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 620px;
  margin: 34px 0 0;
}

.trust-row div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.trust-row dt {
  color: var(--muted);
  font-size: 13px;
}

.trust-row dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.hero-media {
  min-height: 460px;
  overflow: hidden;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.section {
  padding: clamp(42px, 7vw, 82px) clamp(18px, 4vw, 64px);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 26px;
}

.section-heading p:not(.eyebrow),
.split-section p,
.comparison p,
.faq p,
.deal-card p {
  color: var(--muted);
  line-height: 1.7;
}

.deal-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.deal-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.deal-card.featured {
  border-color: #b8cdfb;
  box-shadow: var(--shadow);
}

.deal-card p {
  flex: 1;
}

.tag {
  align-self: flex-start;
  margin-bottom: 18px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--green);
  background: #e8f7f1;
  font-size: 13px;
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.7fr);
  gap: 28px;
  align-items: center;
  background: #eaf1ff;
}

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

.mini-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 70px;
  padding: 18px;
  border: 1px solid #c5d7fb;
  border-radius: 8px;
  background: #fff;
  text-decoration: none;
}

.mini-list strong {
  color: var(--blue);
}

.comparison {
  background: var(--paper);
}

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

.compare-grid div {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.faq details {
  max-width: 900px;
  margin-bottom: 12px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  font-weight: 800;
}

.faq details p {
  margin: 14px 0 0;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr);
  gap: 24px;
  padding: 36px clamp(18px, 4vw, 64px);
  background: #101828;
  color: #f8fafc;
}

.site-footer p {
  margin-bottom: 0;
  color: #cbd5e1;
  line-height: 1.7;
}

.article-page {
  background: var(--paper);
}

.article-hero {
  padding: clamp(42px, 8vw, 96px) clamp(18px, 4vw, 64px);
  background: linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.article-hero h1 {
  max-width: 880px;
}

.article-section {
  padding: clamp(34px, 6vw, 72px) clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
}

.deal-grid.compact {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 24px;
  align-items: start;
}

.check-list,
.number-list {
  max-width: 880px;
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.9;
}

.note-box,
.cta-band {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.note-box {
  padding: 24px;
}

.cta-band {
  margin: clamp(24px, 5vw, 56px) clamp(18px, 4vw, 64px);
  padding: 28px;
  border-bottom: 1px solid var(--line);
}

@media (max-width: 980px) {
  .hero,
  .split-section,
  .site-footer,
  .two-column {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: unset;
  }

  .hero-media {
    order: -1;
    max-height: 360px;
  }

  .deal-grid,
  .deal-grid.compact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }

  .hero-copy {
    padding: 30px 18px 40px;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 17px;
  }

  .trust-row,
  .deal-grid,
  .deal-grid.compact,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}