:root {
  --blue: #1551bd;
  --blue-dark: #09204c;
  --blue-soft: #eaf2ff;
  --ink: #0b1633;
  --muted: #526078;
  --line: #dce5f2;
  --paper: #ffffff;
  --soft: #f7faff;
  --max: 1360px;
  --serif: Georgia, "Times New Roman", serif;
  --sans:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  letter-spacing: 0;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.nav {
  display: flex;
  min-height: 92px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ink);
}

.brand-icon {
  display: inline-block;
  width: 44px;
  height: 24px;
  border-radius: 100% 0 100% 0;
  background:
    radial-gradient(circle at 82% 28%, #ffffff 0 8px, transparent 9px),
    linear-gradient(135deg, #2a6fdf 0%, #174eb7 58%, #0e357f 100%);
  box-shadow: inset 0 -6px 0 rgba(255, 255, 255, 0.52);
  transform: skewX(-18deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 750;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--blue);
  border-radius: 7px;
  padding: 0 28px;
  font-weight: 800;
  transition:
    background-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.button:hover,
.button:focus-visible {
  box-shadow: 0 12px 24px rgba(21, 81, 189, 0.18);
  transform: translateY(-1px);
}

.button-small {
  min-height: 44px;
  padding: 0 28px;
  background: var(--blue);
  color: white;
}

.button-primary {
  background: var(--blue);
  color: white;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 250, 255, 0.92)),
    url("assets/domain-waves.png") center / cover;
}

.hero-inner {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 58px 0 30px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

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

.hero h1 {
  margin-bottom: 14px;
  font-family: var(--serif);
  font-size: clamp(2.5rem, 4.7vw, 4.4rem);
  line-height: 1.04;
}

.hero-copy {
  max-width: 660px;
  margin: 0 auto 16px;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.45;
}

.domain-line {
  margin: 0 auto 24px;
  color: var(--ink);
  font-size: clamp(3.3rem, 7vw, 6.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
}

.domain-line strong {
  color: var(--blue);
  font-weight: inherit;
}

.domain-line em {
  color: #9aaed0;
  font-style: normal;
  letter-spacing: -0.1em;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 18px;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 24px 0;
}

.benefits article {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 18px;
  align-items: center;
  min-height: 92px;
  padding: 0 28px;
  border-right: 1px solid var(--line);
}

.benefits article:last-child {
  border-right: 0;
}

.benefit-icon,
.lock-icon {
  display: inline-flex;
  width: 54px;
  height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 1.45rem;
  font-weight: 900;
}

.benefits h2 {
  margin-bottom: 6px;
  font-size: 1.02rem;
}

.benefits p {
  margin: 0;
  color: var(--muted);
  font-size: 0.91rem;
  line-height: 1.45;
}

.confidence {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
  padding: 38px 0 46px;
  border-top: 1px solid var(--line);
}

.confidence h2 {
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: 2rem;
}

.confidence p {
  color: var(--muted);
  line-height: 1.6;
}

.inquiry-card {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 20px;
  padding: 32px;
  border: 1px solid #c9d8ee;
  border-radius: 12px;
  background: linear-gradient(180deg, #f8fbff, #eef5ff);
}

.inquiry-card h2 {
  margin-bottom: 10px;
  font-family: var(--sans);
  font-size: 1.3rem;
}

.inquiry-card a {
  color: var(--blue);
  font-weight: 850;
}

.footer {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 1fr 0.8fr;
  gap: 52px;
  padding: 34px max(48px, calc((100vw - var(--max)) / 2));
  background: linear-gradient(135deg, #082559, #031537);
  color: white;
}

.footer p,
.footer a {
  display: block;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.5;
}

.footer h2 {
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.footer-brand {
  color: white;
}

:focus-visible {
  outline: 3px solid #8eb5ff;
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .nav {
    align-items: flex-start;
    padding: 18px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 14px 20px;
  }

  .hero-inner {
    padding-top: 46px;
  }

  .domain-line {
    display: grid;
    gap: 4px;
    font-size: clamp(2.6rem, 13vw, 5.5rem);
  }

  .domain-line em {
    line-height: 0.5;
  }

  .benefits,
  .confidence,
  .footer {
    grid-template-columns: 1fr;
  }

  .benefits article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 18px 0;
  }

  .benefits article:last-child {
    border-bottom: 0;
  }

  .confidence {
    gap: 28px;
  }
}

@media (max-width: 560px) {
  .nav-links a:not(.button) {
    display: none;
  }

  .nav,
  .benefits,
  .confidence {
    width: min(100% - 32px, var(--max));
  }

  .hero-inner {
    width: min(100% - 32px, 980px);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .inquiry-card {
    grid-template-columns: 1fr;
  }

  .footer {
    padding: 30px 20px;
  }
}