/* =====================================================================
   Homepage layout — section compositions built from the design system
   ===================================================================== */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: #fff;
  overflow: hidden;
  padding: clamp(96px, 10vw, 130px) 0 clamp(70px, 8vw, 96px);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(720px 520px at 82% 16%, rgba(180,146,76,.18), transparent 60%),
    radial-gradient(620px 520px at 8% 92%, rgba(46,110,106,.14), transparent 60%);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 2; }
.hero h1 {
  color: #fff;
  font-size: var(--fs-display);
  font-weight: 700;
  max-width: 17ch;
  margin: .3rem 0 1.5rem;
}
.hero h1 em { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--brass-soft); }
.hero__tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 1.1rem + 1vw, 1.9rem);
  line-height: 1.3;
  color: rgba(255,255,255,.92);
  margin: -0.4rem 0 1.6rem;
}
.hero__tagline em { font-style: italic; color: var(--brass-soft); }
.hero__sub { color: var(--on-dark-72); font-size: var(--fs-lead); max-width: 56ch; margin-bottom: 2.2rem; }

.hero__meta { display: flex; gap: clamp(24px, 4vw, 40px); flex-wrap: wrap; margin-bottom: 2.4rem; }
.hero__meta div { display: flex; flex-direction: column; }
.hero__meta dt { font-family: var(--font-display); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brass-soft); margin-bottom: 4px; }
.hero__meta dd { font-family: var(--font-display); font-weight: 500; font-size: 1.12rem; color: #fff; }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.trust { margin-top: clamp(48px, 6vw, 70px); border-top: 1px solid var(--hairline-d); padding-top: 26px; }
.trust__label { font-family: var(--font-display); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--on-dark-50); margin-bottom: 16px; }
.trust__logos { display: flex; gap: clamp(24px, 4vw, 40px); flex-wrap: wrap; align-items: center; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--on-dark-90); }

/* ---------- Topics ---------- */
.topics { background: var(--white); }
.topics__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 40px;
  border-top: 1px solid var(--slate-100);
}
.topics__grid .topic { padding: 30px 26px 30px 0; border-bottom: 1px solid var(--slate-100); }
.topics__grid .topic:nth-child(odd) { padding-right: 48px; border-right: 1px solid var(--slate-100); }
.topics__grid .topic:nth-child(even) { padding-left: 48px; }
@media (max-width: 760px) {
  .topics__grid { grid-template-columns: 1fr; }
  .topics__grid .topic,
  .topics__grid .topic:nth-child(odd),
  .topics__grid .topic:nth-child(even) { padding: 24px 0; border-right: none; padding-left: 0; }
}

/* ---------- Speakers ---------- */
.speakers { background: var(--paper); }
.speaker-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; }
@media (max-width: 1000px) { .speaker-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px)  { .speaker-grid { grid-template-columns: 1fr 1fr; gap: 16px; } }

/* ---------- Case studies ---------- */
.cases { background: var(--ink); color: #fff; }
.cases h2 { color: #fff; max-width: 18ch; }
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r);
  overflow: hidden;
  margin-top: 52px;
}
.case--cta { display: flex; flex-direction: column; justify-content: center; background: var(--brass-08); }
.case--cta h3 { color: var(--brass-soft); }
@media (max-width: 760px) { .case-grid { grid-template-columns: 1fr; } }

/* ---------- Why attend ---------- */
.why { background: var(--white); }
.why h2 { max-width: 22ch; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 56px; }
@media (max-width: 900px) { .pillars { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .pillars { grid-template-columns: 1fr; } }

.stats { display: flex; gap: clamp(32px, 6vw, 64px); flex-wrap: wrap; margin-top: 80px; padding-top: 44px; border-top: 1px solid var(--slate-100); }

/* ---------- Testimonials ---------- */
.quotes { background: var(--paper); }
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 52px; }
@media (max-width: 900px) { .quote-grid { grid-template-columns: 1fr; } }

/* ---------- Sponsor ---------- */
.sponsor { background: var(--white); text-align: center; }
.sponsor .lead { margin-inline: auto; margin-top: 16px; }
.sponsor__box {
  margin: 44px auto 0;
  border: 1px solid var(--slate-100);
  border-radius: var(--r);
  padding: 56px;
  max-width: 420px;
}
.sponsor__tier { font-family: var(--font-display); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); margin-bottom: 18px; }
.sponsor__name { font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; color: var(--slate-700); }
.sponsor__cta { margin-top: 34px; }

/* ---------- Final CTA ---------- */
.cta-band {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 400px at 50% 0%, rgba(180,146,76,.18), transparent 60%); }
.cta-band .wrap { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; max-width: 20ch; margin: 0 auto 18px; font-size: clamp(2.1rem, 4vw, 3.2rem); }
.cta-band p { color: var(--on-dark-72); font-size: 1.1rem; margin-bottom: 34px; }
.cta-band .cta-row { justify-content: center; }
.cta-band__urgency { margin-top: 26px; font-family: var(--font-display); font-size: .85rem; color: var(--brass-soft); letter-spacing: .04em; }