:root {
  --paper: #f7f8fb;
  --ink: #17191f;
  --muted: #666d7a;
  --line: rgba(34, 39, 52, 0.12);
  --accent: #2457d6;
  --accent-strong: #173a92;
  --accent-soft: #eaf0ff;
  --charcoal: #20242d;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(29, 38, 66, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 12%, rgba(36, 87, 214, 0.12), transparent 28rem),
    radial-gradient(circle at 86% 8%, rgba(23, 25, 31, 0.08), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, var(--paper) 52%, #ffffff 100%);
  color: var(--ink);
  font-family: Inter, Arial, Helvetica, sans-serif;
}

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

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 88vh;
  padding: 24px 0 72px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: white;
  font-weight: 850;
  letter-spacing: 0;
  background: linear-gradient(135deg, var(--charcoal), var(--accent));
  box-shadow: 0 14px 28px rgba(36, 87, 214, 0.2);
}

.brand strong {
  display: block;
  font-size: 1.08rem;
}

.brand small {
  color: var(--muted);
  display: block;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px);
}

.nav-links a {
  color: var(--muted);
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--ink);
  background: var(--accent-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 54px;
  align-items: center;
  padding: 86px 0 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

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

h1 {
  max-width: 820px;
  font-size: clamp(3rem, 9vw, 6.8rem);
  line-height: 0.96;
  letter-spacing: 0;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.02;
  letter-spacing: 0;
  margin-bottom: 16px;
}

h3 {
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.08;
  margin-bottom: 12px;
}

.hero-text,
.section-heading p,
.company-copy p,
.product-copy p,
.product-card p,
.support-card p,
.legal-page p,
.legal-page li {
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.72;
}

.hero-text {
  max-width: 680px;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.primary-action,
.secondary-action,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  font-weight: 850;
}

.primary-action {
  color: white;
  padding: 0 22px;
  background: linear-gradient(135deg, var(--charcoal), var(--accent));
  box-shadow: 0 18px 40px rgba(36, 87, 214, 0.2);
}

.secondary-action {
  color: var(--ink);
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.publisher-card {
  min-height: 520px;
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  background:
    linear-gradient(145deg, #20242d 0%, #2a3350 52%, #1b2f76 100%);
  box-shadow: var(--shadow);
}

.publisher-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.07) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.65), transparent);
}

.publisher-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.publisher-card-inner {
  position: absolute;
  left: 34px;
  right: 34px;
  bottom: 34px;
  z-index: 2;
  color: white;
}

.publisher-card-inner p,
.publisher-card-inner span {
  color: rgba(255, 255, 255, 0.76);
  font-weight: 700;
}

.metric-card {
  position: absolute;
  z-index: 2;
  width: min(280px, calc(100% - 48px));
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  color: white;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.metric-card span {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.86rem;
  font-weight: 850;
  margin-bottom: 10px;
}

.metric-card strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.metric-card p {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.55;
  margin: 0;
}

.metric-one {
  top: 36px;
  left: 34px;
}

.metric-two {
  top: 170px;
  right: 34px;
}

.section {
  padding: 80px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.product-feature {
  display: grid;
  grid-template-columns: minmax(280px, 0.85fr) minmax(0, 1.15fr);
  gap: 34px;
  align-items: stretch;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.product-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.text-link {
  width: fit-content;
  color: var(--accent);
  margin-top: 12px;
}

.operating-stack,
.product-grid,
.support-grid,
.commitment-grid {
  display: grid;
  gap: 16px;
}

.operating-stack div {
  min-height: 108px;
  padding: 24px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(36, 87, 214, 0.08), rgba(255, 255, 255, 0.72)),
    white;
}

.operating-stack span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.operating-stack strong {
  display: block;
  margin-top: 8px;
  font-size: 1.12rem;
}

.operating-stack p {
  color: var(--muted);
  line-height: 1.56;
  margin: 8px 0 0;
}

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

.product-grid {
  margin-top: 22px;
}

.product-card,
.support-card,
.legal-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
  padding: 24px;
}

.product-card span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 850;
}

.product-card a,
.support-card strong,
.legal-card a {
  color: var(--accent);
  font-weight: 850;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
  gap: 54px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.company-copy {
  max-width: 760px;
}

.commitment-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 26px;
}

.commitment {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-radius: 18px;
  background: var(--accent-soft);
}

.commitment span {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  border-radius: 50%;
  margin-top: 8px;
  background: var(--accent);
}

.commitment p {
  margin: 0;
  font-weight: 760;
}

.contact-section {
  padding-bottom: 110px;
}

.support-card {
  display: block;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.support-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 44px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.footer p {
  color: var(--muted);
  margin: 6px 0 0;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer a {
  color: var(--muted);
  font-weight: 700;
}

.legal-page {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 92px;
}

.legal-page header {
  padding: 34px;
  border-radius: 28px;
  background: linear-gradient(135deg, var(--charcoal), var(--accent));
  color: white;
  margin-bottom: 28px;
}

.legal-page header p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0;
}

.legal-card {
  margin-top: 18px;
}

.legal-card h2 {
  font-size: 1.4rem;
}

.legal-card ul {
  padding-left: 20px;
}

.back-home {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--accent);
  font-weight: 850;
}

@media (max-width: 860px) {
  .site-shell,
  .footer,
  .legal-page {
    width: min(100% - 28px, 1180px);
  }

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

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: auto;
    padding-bottom: 42px;
  }

  .hero-grid,
  .product-feature,
  .split-section,
  .product-grid,
  .support-grid,
  .commitment-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 30px;
    padding-top: 44px;
  }

  .publisher-card {
    min-height: 360px;
  }

  .product-feature {
    padding: 20px;
  }

  .section {
    padding: 56px 0;
  }
}

@media (max-width: 520px) {
  .nav-links a {
    padding: 9px 10px;
  }

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

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