/* PartySlate brand: near-monochrome, square corners, hairlines, no shadows.
   Montserrat stands in for Gotham on the web. */
:root {
  --white: #fff;
  --black: #000;
  --gold: #b69853;
  --raspberry: #b3446c;
  --gray-400: #d6d6d6;
  --gray-100: #f8f8f8;
  --muted: #5f606b;
  --font-sans: "Montserrat", "Gotham", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--black);
  font: 400 16px/1.6 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { margin: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 24px;
  font: 500 12px/1 var(--font-sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--black);
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn-sm { padding: 10px 16px; }
.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: #262626; }
.btn-secondary { background: var(--white); color: var(--black); }
.btn-secondary:hover { background: var(--gray-100); }
.btn-inverse { background: var(--white); color: var(--black); border-color: var(--white); text-transform: none; letter-spacing: .02em; font-size: 15px; }
.btn-inverse:hover { background: var(--gray-100); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--gray-400);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.wordmark { font-weight: 700; text-decoration: none; letter-spacing: -.01em; font-size: 17px; }
.topbar nav { display: flex; align-items: center; gap: 28px; }
.topbar nav a:not(.btn) {
  font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
}
.topbar nav a:not(.btn):hover { opacity: .6; }

/* Hero */
.hero {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center;
  padding-top: 80px; padding-bottom: 80px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--raspberry);
  font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
}
h1 { font-size: clamp(44px, 7vw, 72px); font-weight: 700; line-height: 1.05; letter-spacing: -.02em; }
.role { margin: 16px 0 0; font-size: 20px; font-weight: 500; }
.role span { font-weight: 700; }
.lede { margin: 24px 0 32px; font: italic 22px/1.45 var(--font-serif); color: #222; max-width: 32ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.contact-line { margin: 24px 0 0; font-size: 14px; color: var(--muted); display: flex; gap: 10px; flex-wrap: wrap; }
.contact-line a { text-decoration: none; border-bottom: 1px solid var(--gray-400); }
.contact-line a:hover { border-color: var(--black); }
.hero-photo { margin: 0; justify-self: end; width: 100%; max-width: 440px; }
.hero-photo img { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }

/* Sections */
.section { padding-top: 88px; padding-bottom: 88px; border-top: 1px solid var(--gray-400); }
.section-subtle { background: var(--gray-100); }
.section-label {
  font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: 32px;
  padding-bottom: 12px; border-bottom: 2px solid var(--black); display: inline-block;
}
.section-intro { margin: -12px 0 40px; color: var(--muted); }
.section-intro a { color: var(--black); font-weight: 500; }
.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.1em; font-size: 17px; }
.prose p:last-child { margin-bottom: 0; }

/* Presentation */
.talk-title { font-size: clamp(30px, 4.5vw, 48px); font-weight: 700; line-height: 1.1; letter-spacing: -.015em; max-width: 22ch; }
.talk-deck { margin: 20px 0 40px; font: italic 21px/1.45 var(--font-serif); max-width: 48ch; }
.details {
  display: grid; grid-template-columns: repeat(4, 1fr);
  margin: 0 0 48px; background: var(--white); border: 1px solid var(--gray-400);
}
.details div { padding: 20px 24px; border-right: 1px solid var(--gray-400); }
.details div:last-child { border-right: 0; }
.details dt { font-size: 11px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.details dd { margin: 6px 0 0; font-weight: 500; }
.talk-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; }
.takeaways { background: var(--white); border: 1px solid var(--gray-400); padding: 32px; align-self: start; }
.takeaways h4 { font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 20px; }
.takeaways ol { margin: 0; padding: 0; list-style: none; counter-reset: t; }
.takeaways li { counter-increment: t; position: relative; padding: 0 0 16px 40px; font-size: 15px; }
.takeaways li:last-child { padding-bottom: 0; }
.takeaways li::before {
  content: counter(t, decimal-leading-zero);
  position: absolute; left: 0; top: 1px;
  color: var(--gold); font-weight: 700; font-size: 14px;
}

/* Downloads */
.asset-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.asset { border: 1px solid var(--gray-400); display: flex; flex-direction: column; }
.asset-preview {
  aspect-ratio: 4 / 3; display: grid; place-items: center; padding: 28px;
  background: var(--white); border-bottom: 1px solid var(--gray-400);
}
.asset-preview img { max-height: 100%; object-fit: contain; }
.asset-photo { padding: 0; }
.asset-photo img { width: 100%; height: 100%; object-fit: cover; }
.asset-dark { background: var(--black); }
.asset-meta { padding: 20px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.asset-meta h3 { font-size: 15px; font-weight: 700; }
.asset-meta p { margin: 0 0 16px; font-size: 13px; color: var(--muted); }
.asset-meta .btn { margin-top: auto; align-self: flex-start; }
.usage { margin: 32px 0 0; font-size: 14px; color: var(--muted); max-width: 70ch; }

/* Copy blocks */
.copy-list { display: grid; gap: 16px; }
.copy-block { background: var(--white); border: 1px solid var(--gray-400); }
.copy-head {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 20px; border-bottom: 1px solid var(--gray-400);
}
.copy-head h3 { font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; }
.copy-btn {
  font: 500 11px/1 var(--font-sans); letter-spacing: .08em; text-transform: uppercase;
  background: var(--white); border: 1px solid var(--black); padding: 8px 14px; cursor: pointer; min-width: 84px;
}
.copy-btn:hover { background: var(--gray-100); }
.copy-btn.copied { background: var(--black); color: var(--white); }
.copy-text { padding: 20px; }
.copy-text p { margin: 0 0 1em; }
.copy-text p:last-child { margin-bottom: 0; }

/* Footer */
.footer { background: var(--black); color: var(--white); padding: 72px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer h2 { font-size: clamp(24px, 3.5vw, 36px); font-weight: 700; letter-spacing: -.01em; }

/* Responsive */
@media (max-width: 960px) {
  .asset-grid { grid-template-columns: repeat(2, 1fr); }
  .talk-grid { grid-template-columns: 1fr; gap: 40px; }
  .details { grid-template-columns: repeat(2, 1fr); }
  .details div:nth-child(2) { border-right: 0; }
  .details div:nth-child(-n+2) { border-bottom: 1px solid var(--gray-400); }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  .topbar nav a:not(.btn) { display: none; }
  .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 48px; padding-bottom: 56px; }
  .hero-photo { order: -1; justify-self: start; max-width: 280px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .takeaways { padding: 24px; }
}
@media (max-width: 480px) {
  .asset-grid { grid-template-columns: 1fr; }
  .details { grid-template-columns: 1fr; }
  .details div { border-right: 0; border-bottom: 1px solid var(--gray-400); }
  .details div:last-child { border-bottom: 0; }
  .hero-actions .btn { flex: 1 1 100%; text-align: center; }
}