/* CSS Document ——————————————————————————————————————————————————————————03E03863@20260720
*/
:root
{ --paper: #f7f8f5;
  --paper-warm: #f2efe9;
  --ink: #253138;
  --muted: #657178;
  --line: rgba(37, 49, 56, .13);
  --sage: #dfe9e1;
  --blue: #dbe8ef;
  --rose: #eee0df;
  --accent: #3c6670;
  --accent-dark: #294b53;
  --shadow: 0 24px 70px rgba(41, 58, 63, .10);
  --radius: 28px;
  --shell: min(1120px, calc(100% - 48px));
}

*
{ box-sizing: border-box;
}

html
{ scroll-behavior: smooth;
}

body
{ margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}

body::before
{ position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 8% 4%, rgba(219, 232, 239, .52), transparent 28rem),
    radial-gradient(circle at 92% 14%, rgba(238, 224, 223, .44), transparent 26rem),
    var(--paper);
}

img
{ display: block;
  max-width: 100%;
}

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

h1,
h2
{ font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.025em;
}

h1
{ max-width: 760px;
  margin-bottom: 18px;
  font-size: clamp(2.4rem, 5.3vw, 4.35rem);
  line-height: 1;
}

h2
{ margin-bottom: 26px;
  font-size: clamp(2rem, 4vw, 3.65rem);
  line-height: 1.08;
}

p
{ margin-bottom: 0;
  font-size: clamp(1.02rem, 1.2vw, 1.17rem);
}

.shell
{ width: var(--shell);
  margin-inline: auto;
}

.site-header
{ position: relative;
  min-height: 68vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 110px 0 90px;
}

.site-header::before,
.site-header::after
{ position: absolute;
  border: 1px solid rgba(60, 102, 112, .12);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.site-header::before
{ width: min(38vw, 520px);
  aspect-ratio: 1;
  top: -19vw;
  right: -8vw;
  box-shadow: inset 0 0 80px rgba(219, 232, 239, .38);
}

.site-header::after
{ width: min(23vw, 310px);
  aspect-ratio: 1;
  top: 3vw;
  right: 8vw;
  border-color: rgba(238, 224, 223, .35);
}

.header-inner
{ position: relative;
  z-index: 1;
}

.header-inner::after
{ display: block;
  width: min(360px, 58vw);
  height: 1px;
  margin-top: 48px;
  content: "";
  background: linear-gradient(90deg, var(--accent), transparent);
}

.eyebrow,
.kicker
{ margin-bottom: 18px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 750;
  letter-spacing: .17em;
  line-height: 1.35;
  text-transform: uppercase;
}

.intro
{ max-width: 700px;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
}

.section
{ padding: clamp(80px, 11vw, 150px) 0;
}

.section-first
{ padding-top: 64px;
}

.section-soft
{ background: linear-gradient(180deg, transparent, rgba(223, 233, 225, .44), transparent);
}

.article-card
{ display: grid;
  grid-template-columns: minmax(100px, 160px) minmax(0, 760px);
  gap: clamp(28px, 7vw, 100px);
  align-items: start;
}

.article-card-reverse
{ grid-template-columns: minmax(0, 760px) minmax(100px, 160px);
}

.article-card-reverse .section-number
{ grid-column: 2;
  grid-row: 1;
}

.article-card-reverse > div
{ grid-column: 1;
  grid-row: 1;
}

.article-card p:not(.kicker)
{ color: #46545a;
}

.section-number
{ color: transparent;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(5rem, 13vw, 10rem);
  line-height: .8;
  -webkit-text-stroke: 1px rgba(60, 102, 112, .28);
}

.visual-band
{ min-height: clamp(430px, 62vw, 700px);
  display: grid;
  align-items: end;
  overflow: hidden;
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

.visual-band-data
{ background-image:
    linear-gradient(110deg, rgba(247, 248, 245, .12), rgba(247, 248, 245, .62)),
    url("img/bg-data.svg");
}

.visual-band-security
{ background-image:
    linear-gradient(110deg, rgba(247, 248, 245, .66), rgba(247, 248, 245, .14)),
    url("img/bg-security.svg");
}

.visual-caption
{ padding-bottom: clamp(42px, 8vw, 84px);
}

.visual-caption p
{ max-width: 680px;
  padding: 28px 34px;
  border: 1px solid rgba(255, 255, 255, .54);
  border-radius: 22px;
  color: #22383d;
  background: rgba(247, 248, 245, .66);
  box-shadow: var(--shadow);
  font-size: clamp(1.25rem, 2.6vw, 2rem);
  line-height: 1.4;
  backdrop-filter: blur(12px);
}

.visual-caption-right
{ display: flex;
  justify-content: flex-end;
}

.visual-caption-right p
{ text-align: right;
}

.ai-section
{ padding: clamp(100px, 13vw, 180px) 0;
  background: var(--accent-dark);
  color: #f8fbfa;
}

.ai-grid
{ display: grid;
  grid-template-columns: minmax(180px, .75fr) minmax(0, 1.6fr);
  gap: clamp(40px, 9vw, 120px);
  align-items: start;
}

.ai-grid .kicker
{ color: #b9d8dc;
}

.ai-grid h2
{ color: #fff;
}

.ai-grid article p:not(.kicker)
{ color: rgba(248, 251, 250, .79);
}

.ai-grid article p + p
{ margin-top: 22px;
}

.ai-mark
{ display: grid;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .24);
  border-radius: 50%;
  color: rgba(255, 255, 255, .82);
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, .18), transparent 46%);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4rem, 9vw, 7.5rem);
  letter-spacing: -.08em;
}

.site-footer
{ padding: 38px 0;
  border-top: 1px solid rgba(37, 49, 56, .10);
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 50%, rgba(238, 224, 223, .34), transparent 17rem),
    linear-gradient(135deg, #f8f9f6, #edf2ee);
}

.footer-inner
{ display: grid;
  grid-template-columns: minmax(280px, 1.25fr) minmax(200px, .8fr) auto;
  gap: 34px;
  align-items: center;
}

.footer-brand
{ display: flex;
  gap: 20px;
  align-items: center;
}

.footer-logo
{ width: 88px;
  height: 88px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(37, 49, 56, .12));
}

.footer-name
{ margin-bottom: 3px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
  line-height: 1.25;
}

.footer-role,
.footer-signature p
{ color: var(--muted);
  font-size: .82rem;
  letter-spacing: .035em;
}

.footer-signature
{ display: grid;
  gap: 4px;
}

.social-links
{ display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.social-link
{ width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(60, 102, 112, .15);
  border-radius: 50%;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, .68);
  box-shadow: 0 8px 20px rgba(41, 58, 63, .07);
  transition: transform .18s ease, background-color .18s ease, box-shadow .18s ease;
}

.social-link:hover,
.social-link:focus-visible
{ background: var(--blue);
  box-shadow: 0 12px 26px rgba(41, 58, 63, .12);
  transform: translateY(-2px);
}

.social-link:focus-visible
{ outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.social-link svg
{ width: 19px;
  height: 19px;
  fill: currentColor;
}

@media (max-width: 900px)
{ .footer-inner
  { grid-template-columns: minmax(280px, 1fr) auto;
  }

  .footer-signature
  { grid-column: 1;
    grid-row: 2;
    padding-left: 108px;
  }

  .social-links
  { grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 760px)
{ :root
  { --shell: min(100% - 32px, 1120px);
  }

  .site-header
  { min-height: 64vh;
    padding: 86px 0 68px;
  }

  .site-header::before
  { width: 340px;
    top: -170px;
    right: -170px;
  }

  .site-header::after
  { width: 190px;
    top: -18px;
    right: -82px;
  }

  .article-card,
  .article-card-reverse,
  .ai-grid
  { grid-template-columns: 1fr;
  }

  .article-card-reverse .section-number,
  .article-card-reverse > div
  { grid-column: 1;
  }

  .article-card-reverse .section-number
  { grid-row: 1;
  }

  .article-card-reverse > div
  { grid-row: 2;
  }

  .section-number
  { font-size: 5.2rem;
  }

  .visual-band
  { min-height: 470px;
    background-attachment: scroll;
  }

  .visual-caption p,
  .visual-caption-right p
  { text-align: left;
  }

  .ai-mark
  { width: 150px;
  }

  .footer-inner
  { grid-template-columns: 1fr auto;
    gap: 24px 18px;
  }

  .footer-logo
  { width: 74px;
    height: 74px;
  }

  .footer-signature
  { grid-column: 1;
    grid-row: 2;
    padding-left: 94px;
  }

  .social-links
  { grid-column: 2;
    grid-row: 1 / span 2;
  }
}

@media (max-width: 520px)
{ .site-footer
  { padding: 34px 0;
  }

  .footer-inner
  { grid-template-columns: 1fr;
  }

  .footer-brand
  { align-items: flex-start;
  }

  .footer-signature,
  .social-links
  { grid-column: 1;
    grid-row: auto;
    padding-left: 94px;
  }

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

@media (prefers-reduced-motion: reduce)
{ html
  { scroll-behavior: auto;
  }

  .visual-band
  { background-attachment: scroll;
  }

  .social-link
  { transition: none;
  }
}