/* Pitch House Studios — Cinematic scroll experience */

:root {
  --bg: #000000;
  --bg-elevated: #0c0c0c;
  --text: #f2ece3;
  --text-muted: rgba(242, 236, 227, 0.55);
  --accent: #c9a962;
  --accent-dim: rgba(201, 169, 98, 0.35);
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --header-h: clamp(3.5rem, 8vw, 5rem);
  --space-xs: clamp(0.5rem, 1.5vw, 0.75rem);
  --space-sm: clamp(0.75rem, 2vw, 1.25rem);
  --space-md: clamp(1.25rem, 3vw, 2rem);
  --space-lg: clamp(2rem, 5vw, 4rem);
  --space-xl: clamp(3rem, 8vw, 7rem);
  --hero-size: clamp(2.75rem, 11vw, 7.5rem);
  --headline-massive: clamp(3rem, 14vw, 10rem);
  --line-height-tight: 0.95;
  --full-h: 100vh;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: clip;
  line-height: 1.5;
  max-width: 100%;
}

.grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100vw;
  height: 100%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

html {
  background: var(--bg);
}

html:not(.is-ready) body {
  overflow: hidden;
}

html:not(.is-ready) .site-header,
html:not(.is-ready) #smooth-content,
html:not(.is-ready) .grain {
  visibility: hidden;
}

.app-boot {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.4s var(--ease-out-expo);
}

.app-boot.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.app-boot__spinner {
  width: 1.75rem;
  height: 1.75rem;
  border: 1px solid rgba(242, 236, 227, 0.12);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: app-boot-spin 0.85s linear infinite;
}

@keyframes app-boot-spin {
  to { transform: rotate(360deg); }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  max-width: 100vw;
  z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-h);
  padding: 0 var(--space-md);
  pointer-events: none;
}

.logo {
  grid-column: 2;
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-decoration: none;
  opacity: 1;
  pointer-events: auto;
}

.logo__img {
  display: block;
  height: clamp(1.35rem, 3.2vw, 1.85rem);
  width: auto;
  object-fit: contain;
  transform: translateY(0.14em);
}

.lang-switcher {
  grid-column: 3;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  height: 100%;
  pointer-events: auto;
  opacity: 1;
}

.lang-switcher__btn {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0 0.15rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.25s var(--ease-out-expo);
}

.lang-switcher__btn:hover,
.lang-switcher__btn.is-active {
  color: var(--text);
}

.lang-switcher__sep {
  font-size: 0.65rem;
  color: rgba(242, 236, 227, 0.25);
  user-select: none;
}

/* Chapters */
.chapter {
  position: relative;
  min-height: var(--full-h);
  background: var(--bg);
}

.chapter-pin {
  position: relative;
  width: 100%;
  min-height: var(--full-h);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.chapter-pin--short {
  min-height: auto;
}

.chapter-content {
  position: relative;
  z-index: 2;
  width: min(92vw, 72rem);
  padding: var(--space-lg) var(--space-md);
}

.chapter-content--center {
  text-align: center;
}

.chapter-content--narrow {
  width: min(88vw, 42rem);
  text-align: center;
}

.chapter-content--split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  width: min(92vw, 64rem);
}

.chapter-eyebrow {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-style: italic;
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-md);
}

.chapter-headline {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--line-height-tight);
  letter-spacing: -0.02em;
}

.chapter-headline--massive {
  font-size: var(--headline-massive);
}

.headline-line {
  display: block;
}

.headline-line--accent {
  color: var(--accent);
}

.chapter-lead {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.5vw, 2.75rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: var(--space-xl);
}

/* Earth journey (hero → south pole → home intro) */
.chapter-earth-journey {
  overflow: visible;
  background: var(--bg);
}

.earth-journey-pin {
  position: relative;
  width: 100%;
  min-height: var(--full-h);
  overflow: visible;
  background: var(--bg);
}
.hero-atmosphere {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  contain: layout paint;
  will-change: opacity, transform;
  background: var(--bg);
}

.hero-word-field {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 320%;
  height: 320%;
  transform: translate(-50%, -50%);
  overflow: visible;
  background: transparent;
}

.hero-word-particle {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  color: rgba(242, 236, 227, 0.92);
  white-space: nowrap;
  user-select: none;
  letter-spacing: 0.04em;
  transform: translate(-50%, -50%);
  will-change: transform;
  pointer-events: none;
}

.hero-blur-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.035) 0%,
    rgba(255, 255, 255, 0.008) 42%,
    rgba(255, 255, 255, 0.025) 100%
  );
  backdrop-filter: blur(50px) saturate(1.05);
  -webkit-backdrop-filter: blur(50px) saturate(1.05);
}

.chapter-earth-journey .hero-stage {
  position: relative;
  z-index: 4;
}

.home-intro {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--header-h) var(--space-md);
  pointer-events: none;
}

.home-intro__eyebrow {
  opacity: 0;
  transform: translateY(28px);
  text-align: center;
  font-size: clamp(1.35rem, 4vw, 2.5rem);
  max-width: min(92vw, 28rem);
  color: #fff;
  will-change: opacity, transform;
}

.home-intro__chars {
  display: inline;
}

.home-intro__accent-word {
  display: inline-block;
  white-space: nowrap;
}

.home-intro__line--break {
  display: inline-block;
  white-space: nowrap;
}

.home-intro__char {
  display: inline-block;
  opacity: 0;
  will-change: opacity;
}

.home-intro__char--accent {
  color: #c8aa64;
}

.earth-vignette {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(ellipse 90% 80% at 50% 62%, transparent 0%, rgba(0, 0, 0, 0.25) 42%, rgba(0, 0, 0, 0.92) 100%),
    linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.55) 100%);
  will-change: opacity;
}

/* Hero */
.chapter-hero .chapter-pin {
  background: var(--bg);
}

.hero-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--full-h);
  padding: var(--header-h) var(--space-md) var(--space-xl);
}

.hero-title {
  position: relative;
  z-index: 3;
  font-family: var(--font-display);
  font-size: var(--hero-size);
  font-weight: 300;
  line-height: var(--line-height-tight);
  letter-spacing: -0.03em;
  text-align: center;
  will-change: transform;
}

.hero-title-inner {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 0.2em 0.35em;
}

.hero-line,
.hero-period {
  display: inline-block;
}

.hero-word-wrap {
  position: relative;
  display: inline-block;
  vertical-align: baseline;
  overflow: hidden;
}

.hero-word {
  display: inline-block;
  will-change: opacity, transform, filter;
  transform-origin: left center;
}

.hero-word--world {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  color: var(--accent);
  filter: blur(10px);
  transform: scale(1.06);
  pointer-events: none;
}

.hero-underline {
  position: absolute;
  left: 0;
  bottom: 0.08em;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

@media (min-width: 768px) {
  .hero-underline {
    height: 3px;
  }
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  opacity: 1;
  will-change: opacity;
}

.scroll-hint__text {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-hint__line {
  display: block;
  width: 1px;
  height: 2.5rem;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50% { transform: scaleY(0.6); opacity: 1; }
}

/* Three.js canvases */
.three-canvas {
  display: block;
  pointer-events: none;
}

.three-canvas--globe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0;
  will-change: opacity;
}

.chapter-earth-journey .scroll-hint {
  z-index: 6;
}

.three-canvas--particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0;
  pointer-events: none;
}

.chapter-belief .chapter-content {
  position: relative;
  z-index: 2;
}

.three-canvas--lens {
  width: 100%;
  height: min(50vh, 360px);
  opacity: 0;
}

.three-canvas--orb {
  position: absolute;
  width: 80px;
  height: 80px;
  opacity: 0;
  pointer-events: none;
}

/* Home chapter */
.chapter-home {
  margin-top: -12vh;
  background: var(--bg);
}

.chapter-beginning {
  background: var(--bg);
}

.chapter-beginning .chapter-pin {
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(6.5rem, 15vh, 10rem);
}

.chapter-beginning .chapter-lead {
  color: #fff;
  opacity: 0;
  transform: translateY(36px);
  margin-bottom: var(--space-md);
}

.chapter-beginning .word-stack {
  gap: var(--space-md);
}

.chapter-beginning .word-stack__item {
  min-height: clamp(3rem, 9vw, 5.5rem);
}

.chapter-beginning .word-stack__label {
  opacity: 0;
  transform: translateY(48px);
}

.chapter-home .chapter-pin {
  align-items: center;
  justify-content: center;
}

.chapter-home .chapter-content {
  text-align: center;
  width: min(92vw, 72rem);
}

/* Word stack */
.word-stack {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  align-items: center;
}

.word-stack__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(4rem, 12vw, 7rem);
}

.word-stack__label {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 5.5rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.02em;
  opacity: 0.15;
  transform: translateY(40px);
  will-change: opacity, transform;
}

.word-stack__item.is-active .word-stack__label {
  opacity: 1;
}

.word-stack__item[data-word="thought"] .word-stack__label { color: var(--text); }
.word-stack__item[data-word="character"] .word-stack__label { color: var(--accent); }
.word-stack__item[data-word="conflict"] .word-stack__label { font-weight: 500; }
.word-stack__item[data-word="silence"] .word-stack__label {
  font-style: italic;
  color: var(--text-muted);
}

.word-stack__item .three-canvas--orb {
  top: 50%;
  left: calc(100% + 1rem);
  transform: translateY(-50%);
}

@media (max-width: 767px) {
  .word-stack__item {
    flex-direction: column;
    gap: 0.35rem;
    min-height: auto;
    padding-bottom: 0;
  }

  .word-stack__item .three-canvas--orb {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    transform: none;
    width: 52px;
    height: 52px;
    margin-top: 0.1rem;
  }
}

/* Existence */
.existence-text {
  max-width: 36rem;
  text-align: center;
}

.existence-line {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 2.25rem);
  font-weight: 300;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  opacity: 0;
  transform: translateY(24px);
  will-change: opacity, transform;
}

.existence-line--emphasis {
  margin-top: var(--space-md);
  font-size: clamp(1.75rem, 5vw, 3rem);
  font-weight: 400;
  color: var(--accent);
}

.chapter-existence .chapter-content {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Belief */
.belief-text {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.35;
  max-width: min(92vw, 36rem);
  margin-inline: auto;
  text-align: center;
  text-wrap: pretty;
  opacity: 0;
  transform: translateY(30px);
  will-change: opacity, transform;
}

.belief-text__brand,
.belief-text__line {
  display: block;
  width: 100%;
}

.belief-text__brand {
  font-size: clamp(1.55rem, 4vw, 2.2rem);
  font-weight: 500;
  color: var(--accent);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.belief-text__lead {
  font-size: clamp(1.35rem, 3.5vw, 2rem);
  font-weight: 400;
  line-height: 1.28;
  color: var(--text);
}

.belief-text__tail {
  font-size: clamp(1.2rem, 3.1vw, 1.75rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
  color: rgba(242, 236, 227, 0.82);
  margin-top: 0.1em;
}

.belief-text__accent {
  color: var(--accent);
  font-weight: 500;
}

.chapter-belief .chapter-pin {
  min-height: var(--full-h);
}

@media (min-width: 1024px) {
  .belief-text {
    max-width: min(88vw, 44rem);
    gap: 0.55em;
  }

  .belief-text__brand {
    font-size: clamp(2.35rem, 2.9vw, 3.15rem);
    line-height: 1.1;
  }

  .belief-text__lead {
    font-size: clamp(2.1rem, 2.55vw, 2.85rem);
    line-height: 1.24;
  }

  .belief-text__tail {
    font-size: clamp(1.95rem, 2.25vw, 2.5rem);
    line-height: 1.38;
    color: rgba(242, 236, 227, 0.88);
  }
}

/* Founder */
.founder-name {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xs);
  opacity: 0;
  transform: translateY(40px);
}

.founder-role {
  font-size: clamp(0.8rem, 2vw, 0.95rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
  opacity: 0;
}

.founder-bio {
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  font-weight: 400;
  color: rgba(242, 236, 227, 0.82);
  line-height: 1.65;
  max-width: 28rem;
  opacity: 0;
  transform: translateY(20px);
}

.founder-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapter-founder .chapter-eyebrow {
  opacity: 0;
}

@media (min-width: 768px) {
  .chapter-content--split {
    grid-template-columns: 1fr 1fr;
  }
}

/* Contact */
.chapter-contact {
  background: var(--bg-elevated);
}

.chapter-contact .chapter-pin {
  height: var(--full-h);
  min-height: var(--full-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 0;
  overflow: hidden;
}

.chapter-contact .chapter-content.chapter-content--contact {
  width: min(92vw, 28rem);
  margin-top: auto;
  padding: 0 var(--space-md) max(1rem, env(safe-area-inset-bottom, 0px));
}

.contact-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 300;
  font-style: italic;
  text-align: center;
  margin-bottom: var(--space-xs);
  opacity: 0;
}

.contact-location {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  opacity: 0;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(20px);
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-row label {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-row input,
.form-row textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(242, 236, 227, 0.2);
  padding: var(--space-xs) 0;
  outline: none;
  transition: border-color 0.3s var(--ease-out-expo);
  resize: vertical;
}

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

.form-row--highlight textarea {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.35rem);
  font-style: italic;
  min-height: 4rem;
}

.btn-submit {
  align-self: flex-start;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  padding: 1rem 2rem;
  cursor: pointer;
  transition: background 0.3s var(--ease-out-expo), color 0.3s var(--ease-out-expo);
}

.btn-submit:hover {
  background: var(--accent);
  color: var(--bg);
}

.contact-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-lg);
  opacity: 0;
}

.contact-links a {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-links a:hover {
  color: var(--accent);
}

@media (min-width: 1024px) {
  .chapter-contact .chapter-pin {
    justify-content: flex-start;
    align-items: center;
  }

  .chapter-contact .chapter-content.chapter-content--contact {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: var(--full-h);
    margin-top: 0;
    width: min(92vw, 28rem);
    padding: var(--header-h) var(--space-md) max(1.25rem, env(safe-area-inset-bottom, 0px));
  }

  .contact-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    min-height: 0;
    padding-block: var(--space-md);
  }

  .contact-links {
    flex-shrink: 0;
    margin-top: 0;
    padding-top: var(--space-md);
  }
}

/* Tablet — layout & typography (desktop ≥1024 unchanged) */
@media (max-width: 1023px) {
  #smooth-content {
    overflow-x: clip;
    max-width: 100%;
  }

  .chapter-earth-journey {
    overflow-x: clip;
    max-width: 100%;
  }

  .earth-journey-pin {
    overflow: hidden;
  }

  .hero-word-field {
    width: 100%;
    height: 100%;
  }

  .hero-stage {
    padding-bottom: var(--space-lg);
  }

  .hero-title-inner {
    gap: 0.15em 0.28em;
  }

  .home-intro__eyebrow {
    font-size: clamp(1.25rem, 3.6vw, 2rem);
    max-width: min(90vw, 26rem);
  }

  .chapter-beginning .chapter-pin {
    padding-top: clamp(5.5rem, 12vh, 8rem);
  }

  .chapter-beginning .chapter-lead {
    font-size: clamp(1.35rem, 4vw, 2.25rem);
    margin-bottom: var(--space-sm);
  }

  .word-stack__label {
    font-size: clamp(2.25rem, 7.5vw, 4.5rem);
  }

  .existence-line {
    font-size: clamp(1.25rem, 3.6vw, 2rem);
  }

  .existence-line--emphasis {
    font-size: clamp(1.5rem, 4.5vw, 2.5rem);
  }

  .belief-text__brand {
    font-size: clamp(1.85rem, 5vw, 2.55rem);
  }

  .belief-text__lead {
    font-size: clamp(1.55rem, 4.2vw, 2.15rem);
  }

  .belief-text__tail {
    font-size: clamp(1.35rem, 3.6vw, 1.9rem);
    color: rgba(242, 236, 227, 0.88);
  }

  .founder-name {
    font-size: clamp(2.25rem, 7vw, 4rem);
  }

  .three-canvas--lens {
    height: min(42vh, 300px);
  }

  .chapter-contact .chapter-content.chapter-content--contact {
    width: min(90vw, 26rem);
  }
}

/* Mobile — cinematic type scale, screen-filling headlines */
@media (max-width: 767px) {
  :root {
    --hero-size: clamp(3.75rem, 21vw, 6.5rem);
    --headline-massive: clamp(2.65rem, 12.5vw, 3.85rem);
    --header-h: clamp(3.5rem, 12vw, 4.5rem);
  }

  .site-header {
    padding: 0 var(--space-sm);
  }

  .lang-switcher {
    gap: 0.25rem;
  }

  .lang-switcher__btn {
    font-size: 0.7rem;
    padding: 0 0.2rem;
  }

  .logo__img {
    height: clamp(1.35rem, 5vw, 1.75rem);
    transform: translateY(0.12em);
  }

  .hero-stage {
    padding: var(--header-h) var(--space-sm) var(--space-md);
    min-height: var(--full-h);
  }

  .hero-title {
    width: 100%;
    max-width: 96vw;
  }

  .hero-title-inner {
    flex-direction: column;
    align-items: center;
    gap: 0.06em;
    width: 100%;
  }

  .hero-line,
  .hero-word-wrap {
    font-size: 1em;
  }

  .hero-blur-layer {
    backdrop-filter: blur(36px) saturate(1.02);
    -webkit-backdrop-filter: blur(36px) saturate(1.02);
  }

  .home-intro {
    padding: var(--header-h) clamp(1.35rem, 7vw, 2.25rem);
  }

  .chapter-eyebrow {
    font-size: clamp(1.35rem, 5.2vw, 1.9rem);
    margin-bottom: var(--space-sm);
  }

  .home-intro .home-intro__eyebrow {
    font-size: clamp(2.5rem, 11vw, 4rem);
    max-width: min(84vw, 19.5rem);
    line-height: 1.28;
    letter-spacing: -0.01em;
    margin-bottom: 0;
    padding-inline: 0.15rem;
  }

  .scroll-hint {
    bottom: max(var(--space-sm), env(safe-area-inset-bottom, 0px));
  }

  .scroll-hint__text {
    font-size: 0.62rem;
    letter-spacing: 0.28em;
  }

  .scroll-hint__line {
    height: 2rem;
  }

  .chapter-content {
    width: min(96vw, 72rem);
    padding: var(--space-md) var(--space-sm);
  }

  .chapter-content--narrow {
    width: min(94vw, 42rem);
  }

  .chapter-home {
    margin-top: 0;
  }

  .chapter-home .chapter-pin {
    align-items: center;
    justify-content: center;
  }

  .chapter-home .chapter-content {
    width: min(88vw, 20rem);
    padding-inline: clamp(1rem, 5vw, 1.5rem);
    text-align: center;
  }

  .chapter-home .chapter-headline--massive {
    font-size: var(--headline-massive);
    letter-spacing: -0.02em;
    width: 100%;
    margin-inline: auto;
  }

  .chapter-home .headline-line {
    text-align: center;
    width: 100%;
  }

  .chapter-beginning .chapter-pin {
    padding-top: clamp(4.25rem, calc(var(--full-h) * 0.11), 5.75rem);
    padding-bottom: clamp(0.75rem, calc(var(--full-h) * 0.025), 1.25rem);
    align-items: center;
    justify-content: flex-start;
  }

  .chapter-beginning .chapter-content {
    padding-block: var(--space-sm);
  }

  .chapter-beginning .chapter-lead {
    font-size: clamp(1.55rem, 6.5vw, 2.1rem);
    transform: translateY(24px);
    text-align: center;
    padding-inline: 0.25rem;
    line-height: 1.22;
    margin-bottom: var(--space-sm);
  }

  .chapter-beginning .word-stack {
    gap: clamp(0.35rem, calc(var(--full-h) * 0.018), 0.7rem);
  }

  .word-stack {
    gap: clamp(0.35rem, calc(var(--full-h) * 0.018), 0.7rem);
    width: 100%;
  }

  .word-stack__item {
    min-height: auto;
    padding-bottom: 0;
  }

  .word-stack__label {
    font-size: clamp(2.1rem, 10.5vw, 3.15rem);
    transform: translateY(32px);
    letter-spacing: -0.025em;
    line-height: 1.05;
  }

  .chapter-existence .chapter-content {
    min-height: calc(var(--full-h) * 0.65);
    padding-block: var(--space-lg);
  }

  .existence-line {
    font-size: clamp(2rem, 7.8vw, 2.85rem);
    line-height: 1.3;
    margin-bottom: var(--space-sm);
  }

  .existence-line--emphasis {
    font-size: clamp(2.4rem, 10vw, 3.5rem);
    margin-top: var(--space-sm);
  }

  .belief-text {
    max-width: min(94vw, 24rem);
    gap: 0.5em;
    transform: translateY(20px);
    padding-inline: clamp(0.5rem, 3vw, 1rem);
  }

  .chapter-belief .chapter-content--narrow {
    width: min(96vw, 24rem);
    padding-inline: var(--space-sm);
  }

  .belief-text__brand {
    font-size: clamp(2.35rem, 11.8vw, 3.4rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
  }

  .belief-text__lead {
    font-size: clamp(2rem, 9.8vw, 2.85rem);
    line-height: 1.22;
  }

  .belief-text__tail {
    font-size: clamp(1.6rem, 7.8vw, 2.25rem);
    line-height: 1.32;
    margin-top: 0.2em;
    color: var(--text);
    font-weight: 400;
    opacity: 0.94;
  }

  .chapter-founder .chapter-content--split {
    gap: var(--space-md);
    text-align: center;
  }

  .founder-name {
    font-size: clamp(3.5rem, 17.5vw, 5.75rem);
    transform: translateY(28px);
    letter-spacing: -0.03em;
  }

  .founder-role {
    font-size: 0.85rem;
    letter-spacing: 0.16em;
  }

  .founder-bio {
    font-size: 1.05rem;
    line-height: 1.6;
    max-width: 100%;
    margin-inline: auto;
    color: var(--text);
    font-weight: 400;
    opacity: 0;
    transform: translateY(20px);
  }

  .three-canvas--lens {
    height: min(calc(var(--full-h) * 0.38), 260px);
    width: 100%;
  }

  .chapter-contact .chapter-content.chapter-content--contact {
    width: min(94vw, 26rem);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    min-height: var(--full-h);
    margin-top: 0;
    padding: var(--header-h) var(--space-sm) max(0.85rem, env(safe-area-inset-bottom, 0px));
  }

  .chapter-contact .chapter-pin {
    justify-content: flex-start;
    align-items: center;
  }

  .contact-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 100%;
    min-height: 0;
    padding-block: var(--space-sm);
  }

  .contact-tagline {
    font-size: clamp(2rem, 9vw, 2.9rem);
    line-height: 1.25;
  }

  .contact-location {
    font-size: 0.78rem;
    margin-bottom: var(--space-md);
  }

  .form-row input,
  .form-row textarea {
    font-size: 16px;
  }

  .form-row--highlight textarea {
    font-size: clamp(1.35rem, 6vw, 1.75rem);
    min-height: 4rem;
  }

  .btn-submit {
    align-self: stretch;
    text-align: center;
    width: 100%;
    padding: 0.9rem 1.5rem;
    font-size: 0.8rem;
  }

  .contact-links {
    flex-shrink: 0;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: 0;
    padding-top: var(--space-sm);
  }

  .contact-links a {
    font-size: 0.72rem;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .scroll-hint__line {
    animation: none;
  }
}