:root {
  color-scheme: light;
  --paper: #eef3f5;
  --white: #f9fcfd;
  --navy: #071723;
  --blue: #2387d9;
  --sky: #b9ddef;
  --muted: #536975;
  --line: #b8c8cf;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(35, 135, 217, 0.16), transparent 30rem),
    linear-gradient(180deg, #f7fbfd 0, var(--paper) 32rem);
  color: var(--navy);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
.nav, main, footer { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: -0.02em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--navy);
  border-radius: 50%;
  background: var(--sky);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 14px;
  font-weight: 700;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-link { color: var(--navy); text-underline-offset: 5px; }
.hero {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(42px, 8vw, 112px);
  align-items: center;
  min-height: 700px;
  padding: 74px 0 88px;
}
.eyebrow, .section-label { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: 0.18em; }
h1 {
  margin: 18px 0 26px;
  max-width: 760px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(60px, 7.8vw, 108px);
  line-height: 0.93;
  letter-spacing: -0.055em;
  font-weight: 500;
}
.lede { max-width: 650px; color: var(--muted); font-size: clamp(19px, 2vw, 24px); }
.button {
  display: inline-block;
  margin-top: 22px;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}
.hero-photo { margin: 0; }
.photo-frame { position: relative; padding: 14px; background: var(--white); border: 1px solid var(--line); border-radius: 26px; box-shadow: 18px 18px 0 var(--sky); }
.hero-photo img { display: block; width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 16px; filter: saturate(0.96) contrast(1.03); }
.photo-tag {
  position: absolute;
  right: -16px;
  bottom: 28px;
  padding: 10px 14px;
  background: var(--blue);
  color: white;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.15em;
  border-radius: 999px;
}
.principle { padding: 104px 0; border-block: 1px solid var(--line); }
blockquote {
  margin: 18px 0 0;
  max-width: 1080px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(40px, 5.5vw, 74px);
  line-height: 1.07;
  letter-spacing: -0.035em;
}
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 112px 0; }
.cards article { min-height: 350px; padding: 34px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 14px 34px rgba(7, 23, 35, 0.06); }
.cards article:nth-child(2) { background: var(--sky); }
.cards h3 { margin: 92px 0 12px; max-width: 260px; font-family: Georgia, "Times New Roman", serif; font-size: 34px; line-height: 1.05; font-weight: 500; }
.cards p, .closing p { color: var(--muted); font-size: 17px; }
.number { color: var(--blue); font-size: 12px; font-weight: 850; letter-spacing: 0.14em; }
.closing {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 72px;
  align-items: end;
  padding: 92px;
  margin-bottom: 110px;
  background: var(--navy);
  color: var(--white);
  border-radius: 24px;
}
.closing h2 { margin: 12px 0 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(44px, 5vw, 68px); line-height: 1; letter-spacing: -0.035em; font-weight: 500; }
.closing p { margin: 0; color: #c0d0d8; }
.text-link { display: inline-block; margin-top: 24px; color: #78c6ff; font-weight: 800; text-underline-offset: 6px; }
.channel-links { display: flex; flex-wrap: wrap; gap: 0 24px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 30px 0 44px; color: var(--muted); border-top: 1px solid var(--line); font-size: 13px; }

@media (max-width: 850px) {
  .hero, .closing { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-photo { max-width: 560px; }
  .cards { grid-template-columns: 1fr; }
  .cards article { min-height: auto; }
  .cards h3 { margin-top: 44px; }
  .closing { padding: 56px 34px; }
}
@media (max-width: 520px) {
  .nav, main, footer { width: min(100% - 26px, 1180px); }
  .nav { min-height: 64px; align-items: flex-start; flex-direction: column; gap: 14px; padding: 14px 0 18px; }
  .nav-links { width: 100%; gap: 14px; overflow-x: auto; padding-bottom: 2px; }
  .nav-link { white-space: nowrap; font-size: 14px; }
  h1 { font-size: 54px; }
  .photo-tag { right: -6px; }
  .closing { padding: 42px 24px; }
  footer { flex-direction: column; }
}