:root {
  color-scheme: light;
  --paper: #f7f3eb;
  --paper-deep: #ece3d4;
  --paper-warm: #fffaf2;
  --ink: #151311;
  --muted: rgba(21, 19, 17, 0.58);
  --line: rgba(21, 19, 17, 0.12);
  --sage: #61675b;
  --rust: #ac6a42;
  --shadow: 0 24px 70px rgba(44, 33, 24, 0.12);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Baskerville, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  background:
    radial-gradient(circle at top left, rgba(132, 148, 116, 0.1), transparent 24%),
    linear-gradient(180deg, var(--paper-warm) 0%, var(--paper) 52%, var(--paper-deep) 100%);
}

a {
  color: inherit;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.3rem;
  backdrop-filter: blur(14px);
  background: rgba(255, 250, 243, 0.72);
  border-bottom: 1px solid rgba(21, 19, 17, 0.08);
}

.brand {
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
}

.tabs {
  display: flex;
  gap: 0.55rem;
}

.tab,
.button {
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease;
}

.tab {
  padding: 0.7rem 1rem;
  border: 1px solid rgba(21, 19, 17, 0.08);
  background: rgba(255, 255, 255, 0.54);
}

.tab.is-active {
  background: linear-gradient(135deg, #24201d, #57453a);
  color: #fff9f3;
  border-color: transparent;
}

.tab:hover,
.button:hover {
  transform: translateY(-1px);
}

.site-main {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: 1.4rem 1.25rem 5rem;
}

.site-panel {
  min-height: calc(100vh - 6.5rem);
}

.site-panel[hidden] {
  display: none;
}

.page-shell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 8rem);
  width: min(100%, 920px);
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  animation: settle 700ms ease-out both;
}

.eyebrow {
  margin: 0;
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--sage);
}

h1,
h2 {
  margin: 0;
  line-height: 0.92;
  letter-spacing: -0.05em;
  font-weight: 500;
}

h1 {
  margin-top: 1.25rem;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
}

h2 {
  font-size: clamp(2.2rem, 5vw, 4.25rem);
}

.statement {
  margin: 1.6rem 0 0;
  max-width: 18ch;
  font-size: clamp(1.45rem, 3vw, 2.5rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.detail,
.deck-intro-copy p,
.slide-copy p {
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
}

.detail {
  margin: 1rem 0 0;
  font-size: 0.88rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail::before {
  display: block;
  width: 72px;
  height: 1px;
  margin-bottom: 1rem;
  background: var(--line);
  content: "";
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.cover-actions {
  margin-top: 2.25rem;
}

.button {
  padding: 0.95rem 1.2rem;
}

.button-primary {
  color: #fff9f3;
  background: linear-gradient(135deg, #24201d, #57453a);
}

.site-panel-presentation {
  padding-top: 1rem;
}

.deck-intro,
.slide {
  scroll-margin-top: 5rem;
}

.deck-intro {
  padding: 0 0 1.75rem;
}

.deck-intro-copy,
.slide-copy,
.slide-media {
  border: 1px solid rgba(21, 19, 17, 0.1);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.deck-intro-copy {
  max-width: 920px;
  padding: 2rem 2.1rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(245, 234, 218, 0.9)),
    radial-gradient(circle at top right, rgba(172, 106, 66, 0.14), transparent 34%);
}

.deck-intro-copy p {
  margin: 1rem 0 0;
  max-width: 68ch;
  line-height: 1.72;
  color: var(--muted);
}

.slides {
  display: grid;
  gap: 2rem;
}

.slide {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 1.4rem;
  align-items: stretch;
  min-height: 82vh;
}

.slide-reverse {
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
}

.slide-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.8rem, 4vw, 3.25rem);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(241, 232, 218, 0.9)),
    radial-gradient(circle at top left, rgba(108, 116, 100, 0.14), transparent 36%);
}

.slide-number {
  margin: 0 0 0.75rem;
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--rust);
}

.slide-kicker {
  margin: 1rem 0 0;
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--ink);
}

.slide-copy p:last-child {
  margin-bottom: 0;
}

.slide-copy p:not(.slide-number):not(.slide-kicker) {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.72;
  color: var(--muted);
}

.slide-media {
  overflow: hidden;
  min-height: 320px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(232, 220, 202, 0.82));
}

.slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#slide-02 .slide-copy,
#slide-04 .slide-copy,
#slide-06 .slide-copy,
#slide-08 .slide-copy,
#slide-10 .slide-copy {
  background:
    linear-gradient(180deg, rgba(249, 245, 237, 0.94), rgba(232, 224, 211, 0.96)),
    radial-gradient(circle at top right, rgba(172, 106, 66, 0.1), transparent 36%);
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .slide,
  .slide-reverse {
    grid-template-columns: 1fr;
  }

  .slide {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .page-shell {
    justify-content: flex-start;
    padding-top: 5.5rem;
  }

  .statement {
    max-width: 14ch;
  }
}

@media (max-width: 640px) {
  .topbar {
    padding: 0.9rem 1rem;
  }

  .site-main {
    padding: 1rem 1rem 4rem;
  }

  .tabs {
    gap: 0.4rem;
  }

  .tab {
    padding: 0.65rem 0.8rem;
  }

  .deck-intro-copy,
  .slide-copy {
    padding: 1.45rem;
  }

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

  .button {
    text-align: center;
  }
}