/* ============================================
   OSCAR PATEL — HEALTH IS LOOKS
   Design tokens
   ============================================ */

:root {
  /* Palette */
  --paper:      #FAF9F6;   /* off-white base */
  --white:      #FFFFFF;   /* card / plate white */
  --ink:        #0B0B0B;   /* near-black text */
  --ink-soft:   #4A4A48;   /* secondary text */
  --ink-faint:  #9A9A96;   /* captions, meta */
  --rule:       #E4E2DC;   /* hairlines */
  --signal:     #FFD400;   /* the yellow */
  --signal-dim: #F5EDC8;   /* yellow wash */

  /* Type */
  --display: "Playfair Display", "Didot", Georgia, serif;
  --body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Scale */
  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.85rem);
  --step-0:  clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  --step-1:  clamp(1.3rem, 1.2rem + 0.5vw, 1.6rem);
  --step-2:  clamp(1.75rem, 1.5rem + 1.2vw, 2.6rem);
  --step-3:  clamp(2.8rem, 2.1rem + 3vw, 5rem);
  --step-4:  clamp(3.6rem, 2.4rem + 5.4vw, 8.4rem);

  /* Rhythm */
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section: clamp(5rem, 10vw, 9rem);
  --max: 1240px;
  --measure: 62ch;
}

/* ============================================
   Reset
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--step-0);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.015em;
  margin: 0;
}

p { margin: 0 0 1.15em; }
p:last-child { margin-bottom: 0; }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ============================================
   Layout primitives
   ============================================ */

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.wrap--narrow { max-width: 820px; }

.section { padding-block: var(--section); }

.section--rule { border-top: 1px solid var(--rule); }

.section--ink {
  background: var(--ink);
  color: var(--paper);
}
.section--ink .eyebrow { color: var(--signal); }
.section--ink .eyebrow::before { background: var(--signal); }

/* Eyebrow label */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--ink);
  display: block;
}

.lede {
  font-size: var(--step-1);
  line-height: 1.45;
  max-width: var(--measure);
  color: var(--ink);
  font-weight: 400;
}

.prose {
  max-width: var(--measure);
  color: var(--ink-soft);
}
.prose strong { color: var(--ink); font-weight: 600; }

/* Yellow marker highlight */
.mark {
  background: linear-gradient(to top, var(--signal) 0.28em, transparent 0.28em);
  padding: 0 0.08em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* ============================================
   Header / Nav
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 246, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--rule);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 84px;
}

.brand {
  font-family: var(--display);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  white-space: nowrap;
}
.brand em {
  font-style: italic;
  border-bottom: 2px solid var(--signal);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  position: relative;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1;
  color: var(--ink-soft);
  padding-block: 0.4rem;
  transition: color 0.2s;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1.5px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a:hover,
.nav__links a[aria-current="page"] { color: var(--ink); }

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  padding: 0.5rem;
  cursor: pointer;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.25s, opacity 0.25s;
}
.nav.is-open .nav__toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.is-open .nav__toggle span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    flex-direction: column;
    gap: 0;
    padding: 0.5rem var(--gutter) 1.5rem;
    display: none;
  }
  .nav.is-open .nav__links { display: flex; }
  .nav__links li { border-bottom: 1px solid var(--rule); }
  .nav__links li:last-child { border-bottom: 0; }
  .nav__links a { display: block; padding: 0.95rem 0; font-size: 0.95rem; }
  .nav__links .btn { margin-top: 1rem; text-align: center; }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 0.95rem 1.75rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  transition: background 0.22s, color 0.22s, transform 0.22s, border-color 0.22s;
  white-space: nowrap;
}
.btn:hover {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  transform: translateY(-2px);
}
.btn .arrow { transition: transform 0.22s; }
.btn:hover .arrow { transform: translateX(4px); }

.btn--ghost {
  background: transparent;
  color: var(--ink);
}
.btn--ghost:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.btn--signal:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}

.btn--sm { padding: 0.6rem 1.2rem; font-size: 0.78rem; }
.btn--lg { padding: 1.15rem 2.4rem; font-size: 0.95rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  align-items: center;
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  padding-block: clamp(4rem, 9vw, 8rem) clamp(4rem, 8vw, 7rem);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}

.hero__title {
  font-size: var(--step-4);
  line-height: 0.92;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
}
.hero__title em {
  font-style: italic;
  position: relative;
  white-space: nowrap;
}
.hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.08em;
  height: 0.14em;
  background: var(--signal);
  z-index: -1;
}

.hero__sub {
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: 2.5rem;
}
.hero__sub strong { color: var(--ink); font-weight: 500; }

.hero__meta {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  flex-wrap: wrap;
}
.hero__stat .n {
  font-family: var(--display);
  font-size: 1.75rem;
  display: block;
  line-height: 1.1;
}
.hero__stat .l {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  font-weight: 500;
}

/* ============================================
   IMAGE PLATE (placeholder system)
   ============================================ */

.plate {
  position: relative;
  background: var(--white);
  border: 1px solid var(--rule);
  overflow: hidden;
}

.plate__slot {
  position: relative;
  aspect-ratio: var(--ar, 4 / 5);
  background:
    repeating-linear-gradient(
      -45deg,
      #FCFCFA,
      #FCFCFA 12px,
      #F4F3EE 12px,
      #F4F3EE 24px
    );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  padding: 1.5rem;
}

.plate__slot::before {
  content: "IMAGE";
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--ink);
  background: var(--signal);
  padding: 0.25rem 0.5rem;
}

.plate__slot img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.plate__alt {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 30ch;
  font-weight: 500;
}
.plate__file {
  font-family: var(--body);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: 0.6rem;
}

.plate__cap {
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--rule);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}
.plate__cap b {
  font-weight: 600;
  color: var(--ink);
}

/* Before / after pair */
.ba {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.ba .plate { border: 0; }
.ba__tag {
  position: absolute;
  bottom: 0.9rem;
  left: 0.9rem;
  z-index: 2;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 0.3rem 0.6rem;
}
.ba__tag--after {
  background: var(--signal);
  color: var(--ink);
}

/* ============================================
   THE CHAIN (signature element)
   ============================================ */

.chain {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 3.5rem;
  border-top: 1px solid rgba(250, 249, 246, 0.15);
}

.chain__link {
  display: grid;
  grid-template-columns: 4.5rem 1fr auto;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: 1.4rem 0;
  border-bottom: 1px solid rgba(250, 249, 246, 0.15);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.chain__link.is-in {
  opacity: 1;
  transform: none;
}

.chain__n {
  font-family: var(--display);
  font-size: 0.95rem;
  color: var(--signal);
  letter-spacing: 0.05em;
}

.chain__what {
  font-family: var(--display);
  font-size: var(--step-1);
  line-height: 1.15;
}

.chain__why {
  font-size: 0.85rem;
  color: rgba(250, 249, 246, 0.6);
  text-align: right;
  max-width: 34ch;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .chain__link {
    grid-template-columns: 3rem 1fr;
    row-gap: 0.4rem;
  }
  .chain__why {
    grid-column: 2;
    text-align: left;
    max-width: none;
  }
}

.chain__end {
  margin-top: 2.75rem;
  font-family: var(--display);
  font-size: var(--step-2);
  font-style: italic;
  color: var(--signal);
}

/* ============================================
   ROOT CAUSE CARDS
   ============================================ */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 3.5rem;
}

.card {
  background: var(--white);
  padding: 2.25rem 1.85rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: background 0.3s;
}
.card:hover { background: var(--paper); }

.card__n {
  font-family: var(--display);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.card__t {
  font-family: var(--display);
  font-size: var(--step-1);
  line-height: 1.15;
}
.card__t .u {
  border-bottom: 3px solid var(--signal);
  padding-bottom: 1px;
}
.card__d {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   SPLIT (text + image)
   ============================================ */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
}
.split--flip .split__media { order: -1; }

@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; gap: 3rem; }
  .split--flip .split__media { order: 0; }
}

/* ============================================
   FIX / CASCADE LISTS
   ============================================ */

.cascade {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  max-width: var(--measure);
}
.cascade li {
  position: relative;
  padding: 0.55rem 0 0.55rem 2rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.98rem;
  color: var(--ink);
}
.cascade li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--ink-faint);
}
.cascade li:last-child { border-bottom: 0; }

.stack {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}
.stack li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}
.stack li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--signal);
}
.section--ink .stack li { color: rgba(250, 249, 246, 0.72); }
.section--ink .cascade li { color: var(--paper); border-bottom-color: rgba(250,249,246,0.14); }
.section--ink .cascade li::before { color: var(--signal); }
.section--ink .prose { color: rgba(250, 249, 246, 0.72); }
.section--ink .prose strong { color: var(--paper); }
.section--ink .lede { color: var(--paper); }

/* ============================================
   PILLARS (numbered method)
   ============================================ */

.pillars {
  margin-top: 3.5rem;
  border-top: 1px solid var(--rule);
}
.pillar {
  display: grid;
  grid-template-columns: 5rem 1fr 1.1fr;
  gap: clamp(1rem, 4vw, 3rem);
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
}
.pillar__n {
  font-family: var(--display);
  font-size: var(--step-2);
  line-height: 1;
  color: var(--ink-faint);
}
.pillar__h {
  font-family: var(--display);
  font-size: var(--step-2);
  line-height: 1.08;
}
.pillar__b {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.65;
}
.pillar__b p { margin-bottom: 0.9em; }

@media (max-width: 880px) {
  .pillar {
    grid-template-columns: 3rem 1fr;
    row-gap: 1rem;
  }
  .pillar__b { grid-column: 2; }
}

/* ============================================
   QUOTE
   ============================================ */

.quote {
  border-left: 3px solid var(--signal);
  padding-left: clamp(1.25rem, 3vw, 2.5rem);
  max-width: 30ch;
}
.quote p {
  font-family: var(--display);
  font-size: var(--step-2);
  font-style: italic;
  line-height: 1.2;
  margin: 0 0 1rem;
}
.quote cite {
  font-family: var(--body);
  font-style: normal;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.pullquote {
  text-align: center;
  max-width: 24ch;
  margin-inline: auto;
}
.pullquote p {
  font-family: var(--display);
  font-size: var(--step-3);
  font-style: italic;
  line-height: 1.08;
  margin: 0;
}

/* ============================================
   COMPARISON TABLE
   ============================================ */

.versus {
  margin-top: 3.5rem;
  border: 1px solid var(--rule);
  background: var(--white);
  overflow: hidden;
}
.versus__row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  border-bottom: 1px solid var(--rule);
}
.versus__row:last-child { border-bottom: 0; }
.versus__row--head {
  background: var(--paper);
}
.versus__row--head > div {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.versus__row--head .versus__ours {
  color: var(--ink);
  background: var(--signal);
}
.versus__row > div {
  padding: 1.15rem 1.35rem;
  font-size: 0.9rem;
  border-right: 1px solid var(--rule);
  display: flex;
  align-items: center;
}
.versus__row > div:last-child { border-right: 0; }
.versus__label { font-weight: 600; }
.versus__theirs { color: var(--ink-faint); }
.versus__ours {
  color: var(--ink);
  font-weight: 500;
  background: var(--signal-dim);
}

@media (max-width: 720px) {
  .versus__row { grid-template-columns: 1fr; }
  .versus__row > div { border-right: 0; border-bottom: 1px solid var(--rule); }
  .versus__row--head { display: none; }
  .versus__theirs::before { content: "Conventional: "; font-weight: 600; color: var(--ink); }
  .versus__ours::before { content: "Our approach: "; font-weight: 600; }
}

/* ============================================
   TRANSFORMATION GRID
   ============================================ */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
  margin-top: 3.5rem;
}

/* ============================================
   CTA BAND
   ============================================ */

.cta {
  background: var(--signal);
  color: var(--ink);
  padding-block: clamp(4rem, 8vw, 7rem);
  text-align: center;
}
.cta h2 {
  font-size: var(--step-3);
  line-height: 1.02;
  max-width: 18ch;
  margin: 0 auto 1.5rem;
}
.cta h2 em { font-style: italic; }
.cta p {
  max-width: 52ch;
  margin: 0 auto 2.5rem;
  color: rgba(11, 11, 11, 0.72);
  font-size: var(--step-0);
}
.cta .btn {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}
.cta .btn:hover {
  background: var(--white);
  border-color: var(--white);
  color: var(--ink);
}
.cta__note {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: rgba(11, 11, 11, 0.55);
}

/* ============================================
   FAQ
   ============================================ */

.faq {
  margin-top: 3rem;
  border-top: 1px solid var(--rule);
  max-width: 860px;
}
.faq details {
  border-bottom: 1px solid var(--rule);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.5rem 2.5rem 1.5rem 0;
  position: relative;
  font-family: var(--display);
  font-size: var(--step-1);
  line-height: 1.25;
  transition: color 0.2s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--ink-soft); }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--body);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--ink-faint);
  transition: transform 0.25s;
}
.faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--ink);
}
.faq__a {
  padding: 0 2.5rem 1.75rem 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: var(--measure);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3.5rem, 6vw, 5rem) 2rem;
}
.footer__top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(250, 249, 246, 0.14);
}
@media (max-width: 780px) {
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
}
.footer__mark {
  font-family: var(--display);
  font-size: var(--step-2);
  line-height: 1.1;
  margin-bottom: 1rem;
}
.footer__mark em { font-style: italic; color: var(--signal); }
.footer__blurb {
  font-size: 0.88rem;
  color: rgba(250, 249, 246, 0.6);
  max-width: 34ch;
  line-height: 1.6;
}
.footer h4 {
  font-family: var(--body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 1.15rem;
}
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; }
.footer ul a {
  text-decoration: none;
  font-size: 0.9rem;
  color: rgba(250, 249, 246, 0.72);
  transition: color 0.2s;
}
.footer ul a:hover { color: var(--signal); }
.footer__bottom {
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.74rem;
  color: rgba(250, 249, 246, 0.42);
}

/* ============================================
   Scroll reveal
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .chain__link { opacity: 1; transform: none; }
}

/* Page header for interior pages */
.pagehead {
  padding-block: clamp(3.5rem, 7vw, 6rem) clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--rule);
}
.pagehead h1 {
  font-size: var(--step-3);
  line-height: 0.98;
  max-width: 16ch;
  margin-bottom: 1.5rem;
}
.pagehead h1 em { font-style: italic; }
.pagehead .lede { color: var(--ink-soft); }

/* ============================================
   MOTION SYSTEM v2
   ============================================ */

/* --- Cross-page transitions (native, zero JS) --- */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out 0.28s ease both; }
::view-transition-new(root) { animation: vt-in 0.38s ease both; }
@keyframes vt-out { to { opacity: 0; transform: translateY(-8px); } }
@keyframes vt-in { from { opacity: 0; transform: translateY(10px); } }

/* --- Scroll progress bar --- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  background: var(--signal);
  transform-origin: 0 50%;
  transform: scaleX(0);
  z-index: 200;
  pointer-events: none;
}

/* --- Hero entrance sequence --- */
.hero-line {
  display: block;
  overflow: hidden;
  padding-bottom: 0.08em;
  margin-bottom: -0.08em;
}
.hero-line__inner {
  display: block;
  transform: translateY(110%);
  animation: rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero-line:nth-child(2) .hero-line__inner { animation-delay: 0.12s; }

@keyframes rise { to { transform: none; } }

.hero__title em::after {
  transform: scaleX(0);
  transform-origin: 0 50%;
  animation: draw 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.75s forwards;
}
@keyframes draw { to { transform: scaleX(1); } }

.hero__sub, .hero .btn-row {
  opacity: 0;
  transform: translateY(16px);
  animation: fadeup 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero__sub { animation-delay: 0.5s; }
.hero .btn-row { animation-delay: 0.65s; }
.hero__meta {
  opacity: 0;
  animation: fadeup 0.8s ease 0.85s forwards;
}
.hero__grid > div:last-child .plate {
  opacity: 0;
  transform: translateY(24px) scale(0.985);
  animation: platein 1s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}
@keyframes fadeup { to { opacity: 1; transform: none; } }
@keyframes platein { to { opacity: 1; transform: none; } }

/* Eyebrow line draws in */
.hero .eyebrow::before {
  transform: scaleX(0);
  transform-origin: 0 50%;
  animation: draw 0.5s ease 0.1s forwards;
}

/* --- Parallax layer --- */
.plx { will-change: transform; }

/* --- Plate curtain reveal --- */
.plate-reveal { position: relative; }
.plate-reveal::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: scaleY(1);
  transform-origin: 50% 0;
  z-index: 5;
  transition: transform 0.85s cubic-bezier(0.76, 0, 0.24, 1);
  pointer-events: none;
}
.plate-reveal.is-in::after { transform: scaleY(0); }
.plate-reveal .plate__slot,
.plate-reveal .ba {
  opacity: 0;
  transition: opacity 0.01s linear 0.28s;
}
.plate-reveal.is-in .plate__slot,
.plate-reveal.is-in .ba { opacity: 1; }

/* --- Chain spine --- */
.chain { position: relative; }
.chain::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.55rem;
  width: 2px;
  background: rgba(250, 249, 246, 0.12);
}
.chain__spine {
  position: absolute;
  top: 0;
  left: 0.55rem;
  width: 2px;
  height: 100%;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: 50% 0;
  will-change: transform;
}
.chain__link { padding-left: 2rem; }
.chain__n { position: relative; }
.chain__n::before {
  content: "";
  position: absolute;
  left: -1.72rem;
  top: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid rgba(250, 249, 246, 0.25);
  transform: translateY(-50%);
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.chain__link.is-lit .chain__n::before {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 14px rgba(255, 212, 0, 0.55);
}
@media (max-width: 760px) {
  .chain::before, .chain__spine { left: 0.35rem; }
  .chain__link { padding-left: 1.6rem; }
  .chain__n::before { left: -1.35rem; }
}

/* --- Marquee --- */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--white);
  padding-block: 1.1rem;
  user-select: none;
}
.marquee--ink {
  background: var(--ink);
  border-color: var(--ink);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__seq {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.marquee__item {
  font-family: var(--display);
  font-size: clamp(1.1rem, 2.2vw, 1.6rem);
  letter-spacing: 0.01em;
  white-space: nowrap;
  padding-inline: 1.4rem;
  color: var(--ink);
}
.marquee--ink .marquee__item { color: var(--paper); }
.marquee__item em { font-style: italic; }
.marquee__dot {
  width: 9px; height: 9px;
  background: var(--signal);
  flex-shrink: 0;
}
@keyframes marquee { to { transform: translateX(-50%); } }

/* --- Section title line reveal --- */
.t-reveal {
  overflow: hidden;
}
.t-reveal > span {
  display: block;
  transform: translateY(105%);
  transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.t-reveal.is-in > span { transform: none; }

/* --- Card stagger polish --- */
.cards .card {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22,1,0.36,1), background 0.3s;
}
.cards.is-in .card { opacity: 1; transform: none; }
.cards.is-in .card:nth-child(1) { transition-delay: 0s; }
.cards.is-in .card:nth-child(2) { transition-delay: 0.09s; }
.cards.is-in .card:nth-child(3) { transition-delay: 0.18s; }
.cards.is-in .card:nth-child(4) { transition-delay: 0.27s; }
.card:hover .card__t .u { border-bottom-width: 6px; }
.card__t .u { transition: border-bottom-width 0.25s ease; }

/* --- Versus rows cascade --- */
.versus .versus__row {
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22,1,0.36,1);
}
.versus.is-in .versus__row { opacity: 1; transform: none; }
.versus.is-in .versus__row:nth-child(1) { transition-delay: 0s; }
.versus.is-in .versus__row:nth-child(2) { transition-delay: 0.07s; }
.versus.is-in .versus__row:nth-child(3) { transition-delay: 0.14s; }
.versus.is-in .versus__row:nth-child(4) { transition-delay: 0.21s; }
.versus.is-in .versus__row:nth-child(5) { transition-delay: 0.28s; }
.versus.is-in .versus__row:nth-child(6) { transition-delay: 0.35s; }
.versus.is-in .versus__row:nth-child(7) { transition-delay: 0.42s; }
.versus.is-in .versus__row:nth-child(8) { transition-delay: 0.49s; }
.versus.is-in .versus__row:nth-child(9) { transition-delay: 0.56s; }
.versus.is-in .versus__row:nth-child(10) { transition-delay: 0.63s; }
.versus.is-in .versus__row:nth-child(11) { transition-delay: 0.70s; }
.versus.is-in .versus__row:nth-child(12) { transition-delay: 0.77s; }
.versus.is-in .versus__row:nth-child(13) { transition-delay: 0.84s; }
.versus.is-in .versus__row:nth-child(14) { transition-delay: 0.91s; }
.versus.is-in .versus__row:nth-child(15) { transition-delay: 0.98s; }

/* --- Pullquote zoom whisper --- */
.pullquote p {
  transition: transform 1.2s cubic-bezier(0.22,1,0.36,1);
  transform: scale(0.96);
}
.pullquote.is-in p { transform: scale(1); }

/* --- Reduced motion: kill everything --- */
@media (prefers-reduced-motion: reduce) {
  .hero-line__inner, .hero__sub, .hero .btn-row, .hero__meta,
  .hero__grid > div:last-child .plate, .hero .eyebrow::before,
  .hero__title em::after {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .marquee__track { animation: none; }
  .plate-reveal::after { display: none; }
  .plate-reveal .plate__slot, .plate-reveal .ba { opacity: 1; }
  .cards .card, .versus .versus__row, .t-reveal > span, .pullquote p {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .chain__spine { transform: scaleY(1); }
  .progress { display: none; }
}

/* Filled slots: kill placeholder chrome */
.plate__slot--filled { background: var(--white); padding: 0; }
.plate__slot--filled::before { display: none; }
.plate__slot--filled picture { position: absolute; inset: 0; }
.plate__slot--filled img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ============================================
   YELLOW BRAND SYSTEM (Playfair era)
   ============================================ */

/* Italic em words in display headings get the yellow underline everywhere */
h2 em, .pagehead h1 em, .pillar__h em {
  font-style: italic;
  position: relative;
  white-space: nowrap;
}
h2 em::after, .pagehead h1 em::after, .pillar__h em::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 0.06em;
  height: 0.12em;
  background: var(--signal);
  z-index: -1;
}
/* On the yellow CTA band, the underline flips to ink */
.cta h2 em::after { background: var(--ink); }

/* Marker highlight on dark sections: solid yellow, ink text */
.section--ink .mark {
  background: var(--signal);
  color: var(--ink);
  padding: 0 0.14em;
}

/* Hero stats get a yellow tick */
.hero__stat .n { display: inline-block; }
.hero__stat .n::after {
  content: "";
  display: block;
  width: 24px;
  height: 3px;
  background: var(--signal);
  margin-top: 7px;
}

/* Open FAQ items underline in yellow */
.faq details[open] summary {
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 4px;
  text-underline-offset: 7px;
}

/* Footer nav column headers already yellow; add hover underline to footer links */
.footer ul a:hover {
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* Nav brand: yellow underline restored under the wordmark */
.brand em { border-bottom-width: 3px; }

/* Lazy video in image plate */
.plate__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================
   INLINE CTA BANDS (conversion blocks)
   ============================================ */

.ctaband {
  background: var(--signal);
  color: var(--ink);
  padding-block: clamp(3.25rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}
.ctaband__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}
.ctaband--solo .ctaband__inner { grid-template-columns: 1fr; max-width: 780px; }
@media (max-width: 880px) {
  .ctaband__inner { grid-template-columns: 1fr; }
}
.ctaband .eyebrow { color: rgba(11,11,11,.62); }
.ctaband .eyebrow::before { background: var(--ink); }
.ctaband h2 {
  font-size: clamp(1.9rem, 1.3rem + 2.2vw, 3.1rem);
  line-height: 1.04;
  max-width: 20ch;
  margin-bottom: 1.1rem;
}
.ctaband h2 em { font-style: italic; }
.ctaband h2 em::after { background: var(--ink); }
.ctaband p {
  font-size: 1.02rem;
  line-height: 1.6;
  color: rgba(11,11,11,.78);
  max-width: 48ch;
  margin-bottom: 1.9rem;
}
.ctaband__note {
  margin: 1rem 0 0;
  font-size: .78rem;
  letter-spacing: .04em;
  color: rgba(11,11,11,.58);
}
.ctaband__media {
  border: 1px solid rgba(11,11,11,.16);
  background: var(--white);
}
.ctaband__media .plate__slot { border: 0; }
.ctaband__media .plate__cap {
  border-top: 1px solid rgba(11,11,11,.14);
  background: var(--white);
}

/* Big, obvious, satisfying button */
.btn--cta {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
  padding: 1.15rem 2.4rem;
  font-size: .95rem;
  box-shadow: 0 4px 0 rgba(11,11,11,.28);
}
.btn--cta:hover {
  background: #1c1c1c;
  border-color: #1c1c1c;
  color: var(--signal);
  transform: translateY(-3px);
  box-shadow: 0 7px 0 rgba(11,11,11,.28);
}
.btn--cta:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(11,11,11,.28);
}

/* On dark sections, the CTA button is the yellow itself */
.section--ink .btn--cta {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  box-shadow: 0 4px 0 rgba(255,212,0,.28);
}
.section--ink .btn--cta:hover { background: #ffdf3d; border-color: #ffdf3d; color: var(--ink); }

/* Make the main site buttons read as the yellow action colour */
.btn--signal { box-shadow: 0 4px 0 rgba(11,11,11,.18); }
.btn--signal:active { transform: translateY(1px); box-shadow: 0 2px 0 rgba(11,11,11,.18); }

/* Disclaimer block */
.disclaimer {
  border-top: 1px solid var(--rule);
  padding-block: clamp(2.5rem, 5vw, 3.5rem);
  background: var(--paper);
}
.disclaimer p {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--ink-faint);
  max-width: 78ch;
}
.disclaimer strong { color: var(--ink-soft); }
.disclaimer a { color: var(--ink-soft); }

/* ============================================
   NAV CTA — yellow, bigger, attention on scroll
   ============================================ */

.nav__links .btn--sm {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
  padding: 0.78rem 1.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 0 rgba(11,11,11,.22);
}
.nav__links .btn--sm:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
  transform: translateY(-2px);
  box-shadow: 0 5px 0 rgba(11,11,11,.22);
}
.nav__links .btn--sm:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 rgba(11,11,11,.22);
}

/* Pulsing halo once the visitor starts scrolling */
.nav__links .btn--sm::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(255, 212, 0, .85);
  opacity: 0;
  pointer-events: none;
}
.nav.is-scrolled .nav__links .btn--sm::after {
  animation: ctaPulse 3.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
@keyframes ctaPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255,212,0,.8);  opacity: 1; }
  55%  { box-shadow: 0 0 0 14px rgba(255,212,0,0); opacity: 0; }
  100% { box-shadow: 0 0 0 0 rgba(255,212,0,0);   opacity: 0; }
}

/* Light sweep across the button, synced with the pulse */
.nav__links .btn--sm .sheen {
  position: absolute;
  top: 0; bottom: 0;
  width: 45%;
  left: -60%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.75), transparent);
  transform: skewX(-18deg);
  pointer-events: none;
}
.nav.is-scrolled .nav__links .btn--sm .sheen {
  animation: ctaSheen 3.6s ease-in-out infinite;
}
@keyframes ctaSheen {
  0%, 62% { left: -60%; }
  85%     { left: 115%; }
  100%    { left: 115%; }
}

/* Gentle grow when it first activates */
.nav.is-scrolled .nav__links .btn--sm { animation: ctaGrow .45s cubic-bezier(0.22,1,0.36,1) both; }
@keyframes ctaGrow {
  from { transform: scale(1); }
  60%  { transform: scale(1.06); }
  to   { transform: scale(1.03); }
}

@media (max-width: 880px) {
  .nav__links .btn--sm { padding: 0.95rem 1.6rem; font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  .nav.is-scrolled .nav__links .btn--sm,
  .nav.is-scrolled .nav__links .btn--sm::after,
  .nav.is-scrolled .nav__links .btn--sm .sheen { animation: none !important; }
  .nav.is-scrolled .nav__links .btn--sm { transform: none; }
}

/* ============================================
   HERO STATS — clean vertical rhythm
   ============================================ */

.hero__meta {
  margin-top: 2.75rem;
  padding-top: 1.85rem;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2.25rem 2rem;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__stat .n {
  display: block;
  font-family: var(--display);
  font-size: clamp(1.7rem, 1.4rem + 0.8vw, 2.1rem);
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.hero__stat .n::after {
  content: "";
  display: block;
  width: 28px;
  height: 3px;
  background: var(--signal);
  margin-top: 0.85rem;
}

.hero__stat .l {
  display: block;
  margin-top: 0.85rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
  color: var(--ink-faint);
  max-width: 18ch;
}

@media (max-width: 520px) {
  .hero__meta { grid-template-columns: repeat(2, 1fr); gap: 1.85rem 1.25rem; }
}

/* ============================================
   BRAND LOGO (nav)
   ============================================ */
.brand { display: inline-flex; align-items: center; line-height: 0; }
.brand__logo {
  height: 44px;
  width: auto;
  display: block;
  transition: opacity .2s ease, transform .2s ease;
}
.brand:hover .brand__logo { opacity: 0.72; }

/* Nudge the logo bigger once scrolled, matching the site's scroll cues */
.nav.is-scrolled .brand__logo { transform: scale(0.94); }

@media (max-width: 880px) {
  .brand__logo { height: 38px; }
}

/* ============================================
   PERSISTENT CTA IN MOBILE HEADER
   ============================================ */

/* Hidden on desktop — the nav list already carries the CTA there */
.nav__cta { display: none; }

@media (max-width: 880px) {
  /* order: logo | spacer | CTA | hamburger */
  .nav__inner { gap: 0.75rem; }
  .brand { margin-right: auto; }

  .nav__cta {
    display: inline-flex;
    align-items: center;
    background: var(--signal);
    border-color: var(--signal);
    color: var(--ink);
    font-weight: 700;
    padding: 0.62rem 1.15rem;
    font-size: 0.82rem;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 0 rgba(11,11,11,.22);
  }
  .nav__cta:hover,
  .nav__cta:focus-visible {
    background: var(--ink);
    border-color: var(--ink);
    color: var(--signal);
  }
  .nav__cta:active { transform: translateY(1px); box-shadow: 0 1px 0 rgba(11,11,11,.22); }

  /* attention pulse once scrolled, same rhythm as the desktop button */
  .nav__cta::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: 0 0 0 0 rgba(255,212,0,.85);
    opacity: 0;
    pointer-events: none;
  }
  .nav.is-scrolled .nav__cta::after { animation: ctaPulse 3.6s cubic-bezier(0.4,0,0.2,1) infinite; }
  .nav.is-scrolled .nav__cta .sheen { animation: ctaSheen 3.6s ease-in-out infinite; }

  /* the dropdown already duplicates this — hide it there */
  .nav__links li:last-child { display: none; }
}

/* Label swaps to a short one on very narrow phones */
.nav__cta-short { display: none; }
@media (max-width: 429px) {
  .nav__cta-long { display: none; }
  .nav__cta-short { display: inline; }
}

@media (prefers-reduced-motion: reduce) {
  .nav.is-scrolled .nav__cta::after,
  .nav.is-scrolled .nav__cta .sheen { animation: none !important; }
}