:root {
  --bg: #0b0d10;
  --ink: #e8e4dc;
  --ink-muted: #9a9488;
  --ink-faint: #4a463f;
  --accent: #c4a574;
  --line: rgba(232, 228, 220, 0.1);
  /* mark = UI chrome · body = Arial · titles / hero = Garamond */
  --font-mark: "Courier New", Courier, monospace;
  --font-body: Arial, Helvetica, sans-serif;
  --font-title: "EB Garamond", Garamond, "Times New Roman", serif;
  --font-emphasis: Arial, Helvetica, sans-serif;
  --max: 40rem;
  --wide: 70rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.05rem, 0.95rem + 0.4vw, 1.18rem);
  line-height: 1.68;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 15% -10%, rgba(196, 165, 116, 0.08), transparent 55%),
    radial-gradient(900px 600px at 90% 25%, rgba(70, 110, 130, 0.12), transparent 50%),
    linear-gradient(180deg, #0e1218 0%, var(--bg) 40%, #090b0e 100%);
  background-attachment: fixed;
  overflow-x: clip;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

a:hover {
  color: #e0c89a;
}

/* SCROLL PROGRESS */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto;
  height: 2px;
  z-index: 50;
  background: rgba(232, 228, 220, 0.06);
}

.scroll-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, rgba(196, 165, 116, 0.35), var(--accent));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

/* NAV */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40; /* above full-bleed images; session heads stay under them */
  padding: 1.15rem var(--gutter) 2.4rem;
  pointer-events: none;
}

.site-nav::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(9, 11, 14, 0.97) 0 45%,
    rgba(9, 11, 14, 0.6) 70%,
    transparent
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.site-nav.is-solid::before {
  opacity: 1;
}

.brand {
  position: relative;
}

.brand {
  pointer-events: auto;
  font-family: var(--font-mark);
  font-size: 0.95rem;
  color: var(--ink-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand:hover {
  color: var(--ink);
}

.founder {
  position: absolute;
  top: 1.15rem;
  right: var(--gutter);
  z-index: 1;
  pointer-events: auto;
  font-family: var(--font-mark);
  font-size: 0.95rem;
  color: var(--ink-muted);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.founder:hover {
  color: var(--ink);
}

/* SIDE RAIL */
.rail {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 1.1rem;
  pointer-events: auto;
}

.rail a {
  display: grid;
  grid-template-columns: 1fr 8px;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ink-faint);
  font-family: var(--font-mark);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.35s ease;
}

.rail-dot {
  width: 8px;
  height: 8px;
  display: grid;
  place-items: center;
}

.rail-dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid currentColor;
  transition: background 0.35s ease, transform 0.35s var(--ease);
}

.rail-label {
  text-align: right;
  line-height: 1;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(0.4rem);
  transition: opacity 0.35s ease, transform 0.35s var(--ease);
}

.rail a:hover,
.rail a.is-active {
  color: var(--accent);
}

.rail a.is-active .rail-dot::before {
  background: var(--accent);
  transform: scale(1.4);
}

.rail a:hover .rail-label {
  opacity: 1;
  transform: none;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 6rem var(--gutter) 5rem;
  overflow: hidden;
}

.hero-atmosphere {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 55%, var(--bg) 100%),
    radial-gradient(ellipse 80% 50% at 50% 30%, rgba(196, 165, 116, 0.1), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 38rem;
  text-align: center;
}

.js-motion .hero-inner {
  opacity: calc(1 - var(--out, 0) * 0.9);
  transform: translateY(calc(var(--out, 0) * -3rem)) scale(calc(1 - var(--out, 0) * 0.05));
  filter: blur(calc(var(--out, 0) * 4px));
  will-change: opacity, transform;
}

.js-motion .brand-mark,
.js-motion .hero h1 {
  animation: hero-in 1.2s var(--ease) both;
}

.js-motion .hero h1 {
  animation-delay: 0.18s;
}

@keyframes hero-in {
  from { opacity: 0; transform: translateY(1.2rem); }
  to { opacity: 1; transform: none; }
}

.js-motion .brand-mark {
  letter-spacing: calc(0.06em + var(--out, 0) * 0.05em);
}

.brand-mark {
  margin: 0 0 1.4rem;
  font-family: var(--font-mark);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  font-weight: 400;
  font-style: normal;
  line-height: 1.3;
  color: var(--ink-muted);
}

.hero-cue {
  position: absolute;
  bottom: 2.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 0.6rem;
  font-family: var(--font-mark);
  font-size: clamp(0.85rem, 1.6vw, 1.05rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.js-motion .hero-cue {
  opacity: calc(1 - var(--out, 0) * 2);
}

.hero-cue i {
  width: 1px;
  height: 3rem;
  background: linear-gradient(180deg, var(--ink-faint), transparent);
  animation: cue 2.4s ease-in-out infinite;
  transform-origin: 50% 0;
}

@keyframes cue {
  0%, 100% { transform: scaleY(0.35); opacity: 0.4; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* SESSIONS — sticky lives in .session-main only, so heads release before figures */
.session {
  margin: 0;
  padding: 0;
}

.session + .session {
  border-top: 1px solid var(--line);
}

.session-main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vh, 5rem) var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 4rem);
  align-items: start;
  position: relative;
  z-index: 1;
}

.session-aside {
  position: sticky;
  top: clamp(5rem, 22vh, 12rem);
  z-index: 1;
}

.session-index {
  display: block;
  font-family: var(--font-mark);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.session-track {
  height: 1px;
  margin-bottom: 1.1rem;
  background: var(--line);
  overflow: hidden;
}

.session-track span {
  display: block;
  height: 100%;
  background: var(--accent);
  transform: scaleX(var(--sp, 0));
  transform-origin: 0 50%;
}

.session-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(1.7rem, 2.9vw, 2.4rem);
  font-weight: 400;
  font-style: normal;
  line-height: 1.14;
  text-wrap: balance;
}

.session-body {
  min-width: 0;
  padding-left: clamp(1.25rem, 2.5vw, 2rem);
  border-left: 1px solid var(--line);
}

/* Each logical block is a scroll stage: focus sharpens one, dims the rest */
.beat {
  position: relative;
  padding: clamp(2rem, 6vh, 3.5rem) 0;
}

.beat::before {
  content: "";
  position: absolute;
  left: calc(-1 * clamp(1.25rem, 2.5vw, 2rem) - 4px);
  top: calc(clamp(2rem, 6vh, 3.5rem) + 0.55em);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--ink-faint);
}

.js-motion .beat {
  opacity: calc(0.4 + 0.6 * var(--bf, 1));
  filter: blur(calc((1 - var(--bf, 1)) * 1.4px));
  transform: translateY(calc((1 - var(--bf, 1)) * 0.5rem));
  will-change: opacity, transform;
}

.js-motion .beat::before {
  border-color: color-mix(in srgb, var(--accent) calc(var(--bf, 0) * 100%), var(--ink-faint));
  background: color-mix(in srgb, var(--accent) calc(max(0, var(--bf, 0) - 0.55) * 220%), var(--bg));
  transform: scale(calc(1 + var(--bf, 0) * 0.35));
}

/* SCROLL-DRIVEN REVEAL — beat focus handles dimming, this handles arrival */
.js-motion [data-reveal] {
  opacity: calc((0.45 + 0.55 * var(--enter, 0)) * (1 - var(--leave, 0) * 0.4));
  transform: translateY(
    calc((1 - var(--enter, 0)) * 1rem - var(--leave, 0) * 0.6rem)
  );
  will-change: opacity, transform;
}

.js-motion [data-reveal].split {
  opacity: calc(1 - var(--leave, 0) * 0.7);
  filter: none;
}

.js-motion .split .w {
  display: inline-block;
  /* Stagger by word index, but always finish by the time --enter hits 1 */
  --w: clamp(0, calc(var(--enter, 0) * 1.55 - (var(--wi) / var(--wn, 1)) * 0.55), 1);
  opacity: calc(0.16 + 0.84 * var(--w));
  transform: translateY(calc((1 - var(--w)) * 0.4rem));
  color: color-mix(in srgb, var(--ink) calc(var(--w) * 100%), var(--ink-faint));
}

.js-motion .line[data-reveal].split {
  color: inherit;
}

.js-motion .session-title[data-reveal],
.js-motion .line[data-reveal],
.js-motion .qa-pair[data-reveal] {
  filter: blur(calc((1 - var(--enter, 0)) * 2px));
}

.js-motion .line[data-reveal],
.js-motion .qa-pair[data-reveal] .line,
.js-motion .bullet-row li[data-reveal],
.js-motion .bullet-stack li[data-reveal] {
  color: color-mix(in srgb, var(--ink) calc(var(--enter, 0) * 100%), var(--ink-faint));
}

/* TEXT — body + session heads: Arial */
.line {
  margin: 0 0 1.1rem;
  max-width: var(--max);
  color: var(--ink);
  font-family: var(--font-body);
  font-style: normal;
  font-weight: 400;
}

.line:last-child {
  margin-bottom: 0;
}

.line--gap {
  margin-top: 2.25rem;
}

.line.answer {
  margin-bottom: 0;
}

.line.answer strong,
.full-name,
.pull,
strong {
  color: var(--accent);
  font-family: var(--font-emphasis);
  font-style: normal;
  font-weight: 600;
}

.qa-pair {
  margin-bottom: 1.6rem;
  max-width: var(--max);
}

.line.question {
  margin-bottom: 0.45rem;
}

.line.bridge {
  margin-top: 1.4rem;
}

.line.statement {
  max-width: var(--max);
  margin: 0 0 1.75rem;
}

.line.tension {
  color: var(--accent);
  margin: 1.4rem 0;
}

.js-motion .line.tension[data-reveal] {
  color: color-mix(in srgb, var(--accent) calc(var(--enter, 0) * 100%), var(--ink-faint));
}

.line.punch {
  margin: 1.4rem 0 1.5rem;
}

.line.tagline {
  margin: 1.5rem 0 1rem;
}

/* Session heads + hero headline: Garamond */
.session-title {
  font-family: var(--font-title);
  font-style: normal;
  font-weight: 400;
  font-size: clamp(1.7rem, 2.9vw, 2.4rem);
  line-height: 1.14;
}

.line.connect {
  color: var(--ink-muted);
  word-break: break-word;
}

/* BULLETS */
.bullet-row {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.bullet-row li {
  margin: 0;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-body);
  line-height: 1.45;
}

.js-motion .bullet-row li[data-reveal] {
  border-top-color: color-mix(in srgb, var(--accent) calc(var(--enter, 0) * 100%), var(--line));
}

.bullet-stack {
  list-style: none;
  margin: 1.1rem 0 1.4rem;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  max-width: var(--max);
}

.bullet-stack li {
  position: relative;
  padding-left: 1rem;
  font-family: var(--font-body);
}

.bullet-stack li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.4rem;
  height: 1px;
  background: var(--accent);
}

.parallel-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.parallel-block--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.parallel-col {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.js-motion .parallel-col[data-reveal] {
  border-top-color: color-mix(in srgb, var(--accent) calc(var(--enter, 0) * 100%), var(--line));
}

.parallel-col p {
  margin: 0 0 0.9rem;
}

.parallel-col .bullet-stack {
  margin: 0;
}

/* IMAGES — full-bleed dark band above sticky heads; ±5rem pad */
.media {
  position: relative;
  z-index: 30;
  width: 100vw;
  max-width: 100vw;
  margin: 0;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  padding: 5rem 0;
  display: grid;
  justify-items: center;
  gap: 0;
  background: #0b0d10;
  box-sizing: border-box;
}

.media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  background: var(--bg);
}

.media--60 img {
  width: 60vw;
  max-width: 60vw;
}

.media--75 img {
  width: 75vw;
  max-width: 75vw;
}

.media-zoom {
  display: block;
  width: 100%;
  line-height: 0;
  cursor: zoom-in;
}

.media figcaption span {
  color: var(--accent);
  font-family: var(--font-mark);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.media figcaption {
  max-width: none;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0.85rem var(--gutter) 0;
  text-align: center;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--ink-muted);
  background: transparent;
}

.media--60 figcaption {
  width: 60vw;
  max-width: 60vw;
}

.media--75 figcaption {
  width: 75vw;
  max-width: 75vw;
}

/* Keep stage opaque so sticky heads + nav tuck under, not bleed through */
.js-motion .media[data-reveal] {
  opacity: 1;
  filter: none;
}

.js-motion .media[data-parallax] {
  transform: translateY(
    calc((1 - var(--enter, 0)) * 1.1rem + var(--shift, 0) * 1.1rem)
  );
  will-change: transform;
}

.session:last-of-type {
  padding-bottom: clamp(3rem, 8vh, 5rem);
}

/* ENDING CHAPTER */
.ending {
  border-top: 1px solid var(--line);
  padding: clamp(4rem, 14vh, 8rem) var(--gutter) clamp(5rem, 16vh, 10rem);
}

.ending-inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: left;
}

.ending-mark {
  margin: 0 0 0.55rem;
  font-family: var(--font-mark);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  letter-spacing: 0.14em;
  color: var(--accent);
}

.pronounce {
  margin: 0 0 1.75rem;
  font-size: 0.92rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  font-style: italic;
}

.ending .line.punch {
  margin-top: 1.6rem;
  color: var(--accent);
  font-family: var(--font-emphasis);
  font-weight: 600;
}

.js-motion .ending .line.punch[data-reveal] {
  color: color-mix(in srgb, var(--accent) calc(var(--enter, 0) * 100%), var(--ink-faint));
}

.js-motion .ending .line.punch.split .w {
  color: color-mix(in srgb, var(--accent) calc(var(--w) * 100%), var(--ink-faint));
}

.ending .line.tagline {
  margin-top: 2rem;
}

.ending .line.connect {
  margin-top: 1.25rem;
}

/* ASK */
.ask {
  border-top: 1px solid var(--line);
  padding: clamp(3rem, 10vh, 6rem) var(--gutter) clamp(4rem, 12vh, 7rem);
}

.ask-inner {
  max-width: var(--max);
  margin: 0 auto;
}

.ask-prompt {
  margin: 0 0 1.75rem;
  color: var(--ink-muted);
}

.ask-form {
  display: grid;
  gap: 1.15rem;
}

.ask-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.15rem;
}

.ask-field {
  display: grid;
  gap: 0.45rem;
}

.ask-label {
  font-family: var(--font-mark);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ask-label em {
  font-style: normal;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--ink-faint);
  opacity: 0.75;
}

.ask-form input,
.ask-form textarea {
  width: 100%;
  margin: 0;
  padding: 0.65rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5;
  outline: none;
  resize: vertical;
  transition: border-color 0.2s ease;
}

.ask-form textarea {
  min-height: 4.5rem;
}

.ask-form input:focus,
.ask-form textarea:focus {
  border-bottom-color: var(--accent);
}

.ask-form input::placeholder,
.ask-form textarea::placeholder {
  color: var(--ink-faint);
}

.ask-submit {
  justify-self: start;
  margin-top: 0.35rem;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 1px solid var(--accent);
  background: none;
  color: var(--accent);
  font-family: var(--font-mark);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.ask-submit:hover:not(:disabled) {
  color: #e0c89a;
  border-bottom-color: #e0c89a;
}

.ask-submit:disabled {
  opacity: 0.5;
  cursor: wait;
}

.ask-status {
  margin: 0.25rem 0 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--accent);
}

.ask-status.is-error {
  color: #c98a7a;
}

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

/* FOOTER */
.site-footer {
  padding: 0 var(--gutter) clamp(2rem, 6vh, 3.5rem);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-family: var(--font-mark);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* RESPONSIVE */
/* The rail needs room beside the 70rem content column, or it lands on the text. */
@media (max-width: 1150px) {
  .rail {
    display: none;
  }
}

@media (max-width: 900px) {
  .session-main {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .session-aside {
    position: static;
  }

  .bullet-row,
  .parallel-block {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

}

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

  .hero-cue i {
    animation: none;
  }
}

.no-motion [data-reveal] {
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}