:root {
  --ink: #18140f;
  --paper: #f4efe3;
  --paper-2: #ece4d3;
  --cover: #100e0c;
  --terracotta: #c1701f;
  --terracotta-deep: #8c4f14;
  --terracotta-soft: #e0a668;
  --muted: #6f6455;
  --line: rgba(24, 20, 15, 0.14);
  --line-on-dark: rgba(244, 239, 227, 0.16);
  --maxw: 780px;
}

* {
  box-sizing: border-box;
}

/* the browser's own scrollbar is hidden so the rail and progress bar
   already show where you are */
html {
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

  * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

h1,
h2,
h3 {
  font-family: "Fraunces", serif;
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em 0;
  color: var(--ink);
}

a {
  color: var(--terracotta-deep);
}

a:focus-visible,
button:focus-visible,
.navlink:focus-visible {
  outline: 2px solid var(--terracotta);
  outline-offset: 3px;
}

/* thin bar across the very top that fills as you scroll */
#progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: var(--terracotta);
  z-index: 100;
  transition: width 0.08s linear;
}

/* the numbered nav down the left for desktop only */
#rail {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 76px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  z-index: 90;
  background: transparent;
}

.rail-dot {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 6px 0;
  font-family: "Inter", sans-serif;
}

.rail-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s ease;
}

.rail-bar {
  width: 2px;
  height: 22px;
  background: var(--line);
  transition:
    background 0.25s ease,
    height 0.25s ease;
}

.rail-dot.active .rail-num {
  color: var(--terracotta-deep);
  font-weight: 700;
}

.rail-dot.active .rail-bar {
  background: var(--terracotta);
  height: 32px;
}

.rail-dot:hover .rail-bar {
  background: var(--terracotta-soft);
}

#rail.on-dark .rail-num {
  color: rgba(244, 239, 227, 0.55);
}

#rail.on-dark .rail-bar {
  background: var(--line-on-dark);
}

#rail.on-dark .rail-dot.active .rail-num {
  color: var(--terracotta-soft);
}

@media (max-width: 860px) {
  #rail {
    display: none;
  }
}

/* the swipeable nav across the top for phones and small tablets */
#mobilebar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 95;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  padding: 10px 16px;
  font-family: "Inter", sans-serif;
  font-size: 13px;
  overflow-x: auto;
  white-space: nowrap;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

#mobilebar::-webkit-scrollbar {
  display: none;
}

#mobilebar button {
  background: none;
  border: none;
  color: var(--muted);
  padding: 6px 10px;
  font-size: 13px;
  font-family: "Inter", sans-serif;
  cursor: pointer;
}

#mobilebar button.active {
  color: var(--terracotta-deep);
  font-weight: 700;
}

@media (max-width: 860px) {
  #mobilebar {
    display: block;
  }

  body {
    padding-top: 0;
  }
}

/* every page section shares this frame */
section {
  position: relative;
  padding: 120px 24px;
  display: flex;
  justify-content: center;
}

@media (max-width: 860px) {
  section {
    padding: 96px 20px 72px;
  }
}

.inner {
  width: 100%;
  max-width: var(--maxw);
}

.eyebrow {
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terracotta-deep);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--terracotta);
  display: inline-block;
}

/* the dark opening screen */
#cover {
  background: var(--cover);
  color: var(--paper);
  min-height: 100svh;
  padding: 140px 24px 120px;
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-image:
    radial-gradient(
      ellipse at 15% 10%,
      rgba(193, 112, 31, 0.18),
      transparent 55%
    ),
    radial-gradient(
      ellipse at 85% 90%,
      rgba(193, 112, 31, 0.1),
      transparent 50%
    );
}

@media (max-width: 860px) {
  #cover {
    padding: 96px 20px 110px;
  }
}

#cover .inner {
  max-width: 920px;
}

#cover .kicker {
  font-family: "Inter", sans-serif;
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--terracotta-soft);
  margin-bottom: 28px;
}

#cover h1 {
  font-size: clamp(48px, 9vw, 108px);
  line-height: 0.96;
  color: var(--paper);
  margin-bottom: 0;
}

#cover h1 span {
  color: var(--terracotta);
}

#cover .subhead {
  margin-top: 34px;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-weight: 500;
  font-size: clamp(20px, 3vw, 30px);
  color: rgba(244, 239, 227, 0.82);
  max-width: 640px;
  line-height: 1.35;
}

#cover .tag {
  margin-top: 48px;
  font-size: 14px;
  color: rgba(244, 239, 227, 0.5);
  letter-spacing: 0.02em;
}

.scrolldown {
  position: absolute;
  bottom: 38px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(244, 239, 227, 0.45);
}

.scrolldown .chev {
  width: 1px;
  height: 26px;
  background: rgba(244, 239, 227, 0.35);
  position: relative;
  overflow: hidden;
}

.scrolldown .chev::after {
  content: "";
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--terracotta);
  animation: runline 1.8s infinite ease-in-out;
}

@keyframes runline {
  0% {
    top: -100%;
  }

  60% {
    top: 100%;
  }

  100% {
    top: 100%;
  }
}

/* the letter itself */
#belief blockquote {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.14;
  margin: 0 0 40px 0;
  color: var(--ink);
}

#belief blockquote .accent {
  color: var(--terracotta-deep);
}

.initiative-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: init;
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-top: 28px;
}

.initiative-list li {
  counter-increment: init;
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.initiative-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.initiative-list li::before {
  content: counter(init, decimal-leading-zero);
  font-family: "Fraunces", serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--terracotta);
}

.initiative-list p {
  margin: 0;
  color: var(--ink);
}

.initiative-list .meta {
  display: block;
  margin-top: 4px;
  font-size: 14px;
  color: var(--muted);
}

.aim-box {
  margin-top: 56px;
  padding: 28px 30px;
  background: var(--paper-2);
  border-left: 3px solid var(--terracotta);
  font-size: 16px;
  color: var(--ink);
}

.contact-line {
  margin-top: 28px;
  font-size: 15px;
  color: var(--muted);
}

.contact-line a {
  font-weight: 600;
}

/* the photo break between the letter and part one.
   every photo gets cropped to the same shape so it stays tidy no matter
   what size the original was - swap the files, don't touch this */
.photo-band {
    background: var(--paper);
    padding: 0 24px 110px;
    display: flex;
    justify-content: center;
}

.photo-grid {
    margin: 0;
    width: 100%;
    max-width: 1080px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.photo-grid img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
    background: var(--paper-2);
}

/* the group shot runs the full width and sits a bit wider */
.photo-grid .photo-wide {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
}

.photo-grid figcaption {
    grid-column: 1 / -1;
    margin-top: 4px;
    font-size: 13.5px;
    color: var(--muted);
}

@media (max-width: 640px) {
    .photo-band {
        padding: 0 20px 72px;
    }

    .photo-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* one column on phones, so the group shot doesn't need to be extra wide */
    .photo-grid .photo-wide {
        aspect-ratio: 3 / 2;
    }
}

/* alternating background so sections don't blur together */
.shade {
  background: var(--paper-2);
}

/* the numbered blocks (01, 02, 03...) */
.feature {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.feature:first-of-type {
  padding-top: 0;
}

.feature:last-of-type {
  border-bottom: none;
}

.feature .num {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 34px;
  color: var(--terracotta);
  line-height: 1;
}

.feature h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.feature p {
  margin: 0 0 10px 0;
  color: var(--ink);
}

.feature ul {
  margin: 10px 0 0 0;
  padding-left: 18px;
  color: var(--ink);
}

.feature ul li {
  margin-bottom: 6px;
}

/* the three orange stat cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

@media (max-width: 640px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }
}

.stat-card {
  background: var(--terracotta);
  color: var(--paper);
  padding: 26px 22px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.stat-card:nth-child(2) {
  background: var(--terracotta-deep);
}

.stat-card:nth-child(3) {
  background: #a95f18;
}

.stat-num {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 44px;
  line-height: 1;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 13px;
  line-height: 1.4;
  color: rgba(244, 239, 227, 0.9);
}

/* the 3.2 -> 6.1 readiness bar */
.meter-wrap {
  margin: 28px 0 8px;
  padding: 26px 26px 30px;
  background: var(--ink);
  color: var(--paper);
}

.meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(244, 239, 227, 0.6);
  margin-bottom: 10px;
}

.meter-track {
  position: relative;
  height: 10px;
  background: rgba(244, 239, 227, 0.14);
  border-radius: 6px;
  overflow: hidden;
}

.meter-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--terracotta-deep), var(--terracotta));
  border-radius: 6px;
  transition: width 1.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.meter-caption {
  margin-top: 16px;
  font-family: "Fraunces", serif;
  font-size: 18px;
  font-weight: 600;
}

.meter-caption .from {
  color: rgba(244, 239, 227, 0.55);
}

.meter-caption .to {
  color: var(--terracotta-soft);
}

/* the recommendations lists */
.rec-group {
  margin-bottom: 52px;
}

.rec-group:last-child {
  margin-bottom: 0;
}

.rec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.rec-head .tag {
  font-family: "Fraunces", serif;
  font-weight: 900;
  font-size: 15px;
  color: var(--paper);
  background: var(--terracotta);
  padding: 3px 10px;
  border-radius: 2px;
}

.rec-head h3 {
  margin: 0;
  font-size: 23px;
}

.rec-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rec-group li {
  position: relative;
  padding: 14px 0 14px 26px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.rec-group li:last-child {
  border-bottom: none;
}

.rec-group li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 14px;
  color: var(--terracotta);
  font-weight: 700;
}

.rec-group li em {
  font-style: italic;
  color: var(--muted);
}

/* summit attendees */
.people-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 40px;
  margin-top: 24px;
}

@media (max-width: 640px) {
  .people-grid {
    grid-template-columns: 1fr;
  }
}

.people-block h4 {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--terracotta-deep);
  margin: 0 0 10px 0;
}

.people-block p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink);
  line-height: 1.8;
}

/* the signature cards */
.sig-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 22px;
  margin-top: 30px;
}

@media (max-width: 640px) {
  .sig-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.sig-card {
  text-align: center;
  padding: 18px 10px 14px;
  border: 1px solid var(--line);
}

.sig-name-script {
  font-family: "Caveat", cursive;
  font-size: 30px;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1;
}

.sig-underline {
  width: 60%;
  height: 1px;
  background: var(--line);
  margin: 0 auto 10px;
}

.sig-role {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* the dark closing screen */
#closing {
  background: var(--cover);
  color: var(--paper);
  text-align: left;
}

#closing h2 {
  color: var(--paper);
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1.08;
}

#closing p {
  color: rgba(244, 239, 227, 0.72);
  font-size: 17px;
  max-width: 560px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: var(--terracotta);
  color: var(--cover);
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 2px;
  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.cta-btn:hover {
  background: var(--terracotta-soft);
  transform: translateX(2px);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.cta-btn--ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(244, 239, 227, 0.35);
}

.cta-btn--ghost:hover {
  background: rgba(244, 239, 227, 0.08);
  color: var(--paper);
  border-color: rgba(244, 239, 227, 0.6);
}

#closing .footnote {
  margin-top: 70px;
  font-size: 12px;
  color: rgba(244, 239, 227, 0.4);
  letter-spacing: 0.04em;
}

/* reveal-on-scroll */
/* things fade up as they come into view */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 0.7s ease,
    transform 0.7s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

::selection {
  background: var(--terracotta);
  color: var(--paper);
}