@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --ink: #0b0d10;
  --ink-2: #12151a;
  --ink-3: #1a1e25;
  --paper: #f7f7f5;
  --paper-2: #eeeef0;
  --muted: #616672;
  --muted-dark: #aeb3bc;
  --line: #d8d9dd;
  --line-dark: #2b3038;
  --burgundy: #741524;
  --red: #ef292d;
  --coral: #ff7052;
  --peach: #ffac8f;
  --heat: linear-gradient(100deg, #151118 0%, #741524 30%, #ef292d 62%, #ff7052 82%, #ffac8f 100%);
  --radius: 24px;
  --page: min(1240px, calc(100vw - 48px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible + span,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--coral);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 20px;
  top: 12px;
  z-index: 30;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
}

.skip-link:focus {
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 72px;
  padding: 0 max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid rgba(11, 13, 16, .09);
  background: rgba(247, 247, 245, .9);
  backdrop-filter: blur(18px) saturate(140%);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
  text-decoration: none;
}

.brand-name {
  display: flex;
  align-items: baseline;
  font-size: 18px;
  letter-spacing: -.045em;
  line-height: 1;
}

.brand-name b {
  font-weight: 400;
}

.brand-name strong {
  font-weight: 850;
}

.mini-mark {
  display: inline-flex;
  align-items: end;
  gap: 3px;
  height: 23px;
}

.mini-mark i,
.hero-bars i,
.full-mark i,
.story-meter span {
  display: block;
  background: var(--heat);
}

.mini-mark i:nth-child(1) { width: 7px; height: 7px; border-radius: 50%; }
.mini-mark i:nth-child(2) { width: 7px; height: 11px; border-radius: 5px; }
.mini-mark i:nth-child(3) { width: 7px; height: 15px; border-radius: 5px; }
.mini-mark i:nth-child(4) { width: 7px; height: 19px; border-radius: 5px; }
.mini-mark i:nth-child(5) { width: 7px; height: 23px; border-radius: 5px; }

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(22px, 3vw, 42px);
  padding: 0 28px;
}

.desktop-nav a {
  color: #373b43;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.desktop-nav a:hover {
  color: var(--red);
}

.mobile-nav {
  display: none;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  font-weight: 750;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}

.button::after {
  content: "";
  width: 28px;
  height: 28px;
  margin-left: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--red), var(--peach));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4);
}

.button:hover {
  background: #22262c;
}

.button:active,
.quiet-link:active,
.rail-controls button:active {
  transform: translateY(1px);
}

.button-small {
  min-height: 42px;
  padding: 0 8px 0 17px;
  font-size: 14px;
}

.button-small::after {
  width: 28px;
  height: 28px;
  margin-left: 11px;
}

.story-meter {
  position: fixed;
  right: 18px;
  top: 50%;
  z-index: 12;
  display: flex;
  align-items: end;
  gap: 3px;
  transform: rotate(90deg) translateX(50%);
  transform-origin: right center;
}

.story-meter span {
  width: 4px;
  border-radius: 4px;
  opacity: .18;
  transition: opacity .3s ease, transform .3s ease;
}

.story-meter span:nth-child(1) { height: 4px; border-radius: 50%; }
.story-meter span:nth-child(2) { height: 9px; }
.story-meter span:nth-child(3) { height: 14px; }
.story-meter span:nth-child(4) { height: 19px; }
.story-meter span:nth-child(5) { height: 24px; }

body[data-story="1"] .story-meter span:nth-child(-n+1),
body[data-story="2"] .story-meter span:nth-child(-n+2),
body[data-story="3"] .story-meter span:nth-child(-n+3),
body[data-story="4"] .story-meter span:nth-child(-n+4),
body[data-story="5"] .story-meter span:nth-child(-n+5) {
  opacity: 1;
  transform: scale(1.12);
}

.light-section,
.reset,
.progress-section,
.product,
.credibility,
.trust,
.final-cta {
  width: var(--page);
  margin: 0 auto;
}

.evidence-strip {
  display: flex;
  width: var(--page);
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin: 0 auto;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-strip p {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
}

.evidence-strip strong {
  margin-right: 10px;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.evidence-strip span {
  color: var(--muted);
  font-size: 13px;
}

.evidence-strip span + span::before {
  content: "/";
  margin-right: 22px;
  color: #afb2b8;
}

.evidence-strip a,
.research-link {
  flex: 0 0 auto;
  color: var(--ink);
  font-size: 14px;
  font-weight: 750;
  text-underline-offset: 5px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(390px, .94fr);
  align-items: center;
  min-height: min(900px, calc(100dvh - 72px));
  padding: 64px 0 56px;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4,
p {
  text-wrap: pretty;
}

h1,
.section-heading h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(3.3rem, 6.6vw, 6.8rem);
  font-weight: 790;
  letter-spacing: -.07em;
  line-height: .92;
}

.hero h1 {
  font-size: clamp(3.25rem, 5.2vw, 5rem);
}

.hero-lede {
  max-width: 590px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 34px;
}

.quiet-link {
  color: #30343b;
  font-size: 15px;
  font-weight: 700;
  text-underline-offset: 5px;
}

.hero-product {
  position: relative;
  display: flex;
  min-height: 600px;
  align-items: center;
  justify-content: center;
}

.hero-bars {
  position: absolute;
  inset: 18px 8px auto auto;
  display: flex;
  align-items: end;
  gap: 15px;
  opacity: .97;
}

.hero-bars i {
  width: clamp(28px, 3.7vw, 54px);
  box-shadow: inset 0 2px 1px rgba(255,255,255,.22), 0 22px 48px rgba(116,21,36,.17);
}

.hero-bars i:nth-child(1) { height: 54px; border-radius: 50%; }
.hero-bars i:nth-child(2) { height: 92px; border-radius: 30px; }
.hero-bars i:nth-child(3) { height: 138px; border-radius: 30px; }
.hero-bars i:nth-child(4) { height: 190px; border-radius: 30px; }
.hero-bars i:nth-child(5) { height: 250px; border-radius: 30px; }

.phone {
  position: relative;
  width: min(330px, 82vw);
  min-height: 590px;
  padding: 22px 20px;
  overflow: hidden;
  border: 8px solid #1e2229;
  border-radius: 50px;
  background:
    radial-gradient(circle at 120% -10%, rgba(239,41,45,.24), transparent 38%),
    linear-gradient(155deg, #171a20, #0d1014 70%);
  color: #f6f6f4;
  box-shadow: 0 40px 80px rgba(11,13,16,.26), inset 0 0 0 1px rgba(255,255,255,.08);
}

.phone::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: 92px;
  height: 24px;
  border-radius: 16px;
  background: #07090c;
  transform: translateX(-50%);
}

.phone-hero {
  z-index: 2;
  padding-bottom: 42px;
  margin: 116px 52px 0 0;
  transform: rotate(2deg);
}

.hero-product .hero-render {
  position: relative;
  flex-shrink: 0;
  width: 310px;
  height: 625px;
  min-height: 0;
  padding: 0;
  overflow: hidden;
  border-radius: 49px;
  background: #0b0d10;
  box-shadow: 0 32px 60px rgba(11,13,16,.22);
}

.hero-render img {
  position: absolute;
  top: -5.4%;
  left: -24.75%;
  width: 149.5%;
  max-width: none;
  height: auto;
}

@media (min-width: 1600px) {
  .hero-product .hero-render { width: 330px; height: 665px; border-radius: 52px; }
}

@media (max-width: 760px) {
  .hero-product .hero-render { width: min(310px, 78vw); height: auto; aspect-ratio: 310 / 625; }
}

.phone-hero .phone-top {
  margin-bottom: 24px;
}

.phone-hero .phone-brand {
  margin-bottom: 16px;
}

.phone-hero h2 {
  margin-bottom: 12px;
}

.phone-hero .phone-progress {
  height: 6px;
  margin-bottom: 18px;
}

.phone-hero .plan-action {
  min-height: 52px;
  margin-top: 7px;
  padding: 9px 12px;
  border-radius: 14px;
  background: linear-gradient(105deg, rgba(255,255,255,.055), rgba(255,255,255,.025));
}

.phone-hero .plan-action > span {
  display: grid;
  gap: 3px;
}

.phone-hero .plan-action b {
  color: #f3f4f5;
  font-size: 12px;
  font-weight: 690;
  text-align: left;
}

.phone-hero .plan-action small {
  color: #858b95;
  font-size: 9px;
  line-height: 1.2;
}

.phone-hero .plan-action em {
  flex: 0 0 auto;
  color: var(--peach);
  font-size: 10px;
  font-style: normal;
  font-weight: 760;
}

.focus-card {
  margin-top: 12px;
  padding: 10px 12px 11px;
  border: 1px solid rgba(255,108,91,.23);
  border-radius: 15px;
  background:
    radial-gradient(circle at 100% 0, rgba(239,41,45,.15), transparent 52%),
    rgba(255,255,255,.035);
}

.focus-card .phone-label {
  margin-bottom: 9px;
  color: #efb2a8;
  font-size: 9px;
}

.focus-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.focus-card li {
  padding: 5px 7px;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 7px;
  background: rgba(8,10,13,.42);
  color: #d7d9dd;
  font-size: 8px;
  font-weight: 650;
  letter-spacing: .01em;
}

.phone-top {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  margin-bottom: 36px;
  color: #c7cad0;
  font-size: 11px;
  font-weight: 700;
}

.phone-brand {
  margin-bottom: 28px;
}

.phone-greeting,
.phone-label {
  margin: 0 0 8px;
  color: #aeb3bc;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.phone h2,
.phone h4 {
  margin: 0 0 18px;
  font-size: 31px;
  font-weight: 760;
  letter-spacing: -.05em;
  line-height: 1.04;
}

.phone h4 {
  font-size: 26px;
}

.phone-progress {
  height: 8px;
  margin-bottom: 34px;
  overflow: hidden;
  border-radius: 99px;
  background: #282c33;
}

.phone-progress span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--red), var(--peach));
}

.action-row,
.insight,
.mini-record,
.next-step,
.uncertain {
  display: flex;
  min-height: 62px;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-top: 10px;
  padding: 14px 15px;
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 16px;
  background: rgba(255,255,255,.045);
  font-size: 13px;
}

.action-row b,
.insight span,
.mini-record span,
.next-step span {
  color: #aeb3bc;
  font-size: 11px;
  font-weight: 650;
  text-align: right;
}

.action-row.complete b {
  color: var(--peach);
}

.phone-note {
  position: absolute;
  right: 20px;
  bottom: 16px;
  left: 20px;
  color: #777e89;
  font-size: 8px;
  letter-spacing: .11em;
  text-align: center;
  text-transform: uppercase;
}

.relevance {
  padding: 120px 0 140px;
}

.section-heading {
  max-width: 880px;
}

.section-heading h2 {
  font-size: clamp(3rem, 5.8vw, 5.8rem);
}

.section-heading > p:last-child {
  max-width: 680px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.factor-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 60px;
  margin-top: 90px;
  border-top: 1px solid var(--line);
}

.factor {
  display: grid;
  grid-template-columns: 40px 180px 1fr;
  align-items: baseline;
  gap: 18px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
}

.factor span {
  color: var(--red);
  font-size: 12px;
  font-weight: 780;
}

.factor h3,
.factor p {
  margin: 0;
}

.factor h3 {
  font-size: 17px;
}

.factor p {
  color: var(--muted);
  font-size: 14px;
}

.method {
  display: grid;
  gap: 58px;
  margin-top: 150px;
}

.method article {
  display: grid;
  grid-template-columns: minmax(340px, .9fr) minmax(0, 1.1fr);
  align-items: end;
  gap: 80px;
}

.method b {
  font-size: clamp(4.2rem, 9vw, 9rem);
  font-weight: 850;
  letter-spacing: -.08em;
  line-height: .8;
}

.method article:nth-child(2) b {
  color: var(--red);
}

.method article:nth-child(3) b {
  color: var(--coral);
}

.method p {
  max-width: 480px;
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 18px;
}

.dark-chapter {
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.reset,
.progress-section,
.product,
.trust {
  padding: 140px 0;
}

.credibility {
  padding: 140px 0;
  border-top: 1px solid var(--line-dark);
}

.credibility-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: 34px 90px;
  align-items: end;
}

.credibility-intro .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -4px;
}

.credibility-intro h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(3rem, 5.8vw, 5.8rem);
  font-weight: 760;
  letter-spacing: -.07em;
  line-height: .92;
}

.credibility-intro > p:not(.eyebrow) {
  max-width: 570px;
  margin: 0;
  color: var(--muted-dark);
  font-size: 17px;
}

.credibility-intro .research-link {
  grid-column: 2;
  color: var(--paper);
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 86px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.evidence-grid article {
  min-height: 360px;
  padding: clamp(28px, 4vw, 48px);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.evidence-grid span,
.research-standard > span,
.source-list span {
  color: var(--coral);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.evidence-grid h3 {
  max-width: 440px;
  margin: 58px 0 18px;
  font-size: clamp(1.8rem, 3vw, 3.3rem);
  letter-spacing: -.055em;
  line-height: 1;
}

.evidence-grid p {
  max-width: 500px;
  margin: 0;
  color: var(--muted-dark);
}

.evidence-grid a {
  display: inline-block;
  margin-top: 28px;
  color: #e2e4e7;
  font-size: 13px;
  font-weight: 700;
  text-underline-offset: 5px;
}

.evidence-position {
  max-width: 940px;
  margin: 88px 0 0;
  font-size: clamp(2.3rem, 5vw, 5rem);
  font-weight: 700;
  letter-spacing: -.06em;
  line-height: 1;
}

.inverse .eyebrow {
  color: var(--coral);
}

.section-heading.inverse > p:last-child {
  color: var(--muted-dark);
}

.reset-art {
  position: relative;
  margin: 64px 0 0;
  overflow: hidden;
  border-radius: 24px;
  background: #272326;
}

.reset-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.reset-art figcaption {
  padding: 20px 28px;
  background: #17191d;
  color: #f5f5f3;
  font-size: clamp(20px, 2.4vw, 32px);
  font-weight: 650;
  letter-spacing: -.035em;
}

.product-gallery {
  margin-top: 56px;
}

.gallery-controls {
  display: none !important;
}

.gallery-scroll {
  overflow-x: auto;
  scrollbar-color: var(--coral) var(--ink);
  scrollbar-width: thin;
  border-radius: 24px;
}

.gallery-scroll img {
  display: block;
  width: 100%;
  height: auto;
}

.gallery-captions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 28px;
}

.gallery-captions p {
  margin: 0;
}

.gallery-captions b {
  display: block;
  margin-bottom: 12px;
  font-size: 24px;
  letter-spacing: -.035em;
}

.gallery-captions span,
.gallery-note {
  color: var(--muted-dark);
  font-size: 15px;
}

.gallery-note {
  margin: 32px 0 0;
  font-size: 12px;
}

.recovery-art {
  width: var(--page);
  margin: 0 auto;
}

.recovery-art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
}

.recovery-art figcaption {
  margin-top: 24px;
  font-size: clamp(32px, 4vw, 64px);
  font-weight: 700;
  letter-spacing: -.05em;
}

@media (max-width: 760px) {
  .gallery-controls { display: flex !important; }
  .reset-art { margin-top: 36px; border-radius: 16px; }
  .reset-art img { aspect-ratio: 4 / 3; object-position: 55% center; }
  .reset-art figcaption { padding: 18px; }
  .gallery-scroll img { width: 900px; max-width: none; }
  .gallery-captions { grid-template-columns: 1fr; gap: 26px; }
  .gallery-captions b { font-size: 22px; margin-bottom: 6px; }
  .recovery-art img { border-radius: 16px; }
}

.program-track {
  display: grid;
  grid-template-columns: repeat(6, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 32px;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--coral) var(--ink-2);
}

.program-track article {
  position: relative;
  min-height: 300px;
  padding: 32px 26px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.program-track article::after {
  content: "";
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--heat);
}

.program-track span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.program-track h3 {
  margin: 50px 0 15px;
  font-size: 24px;
  letter-spacing: -.04em;
  line-height: 1.05;
}

.program-track p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 14px;
}

.progress-section {
  border-top: 1px solid var(--line-dark);
}

.record-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 24px;
  margin-top: 84px;
}

.record {
  min-height: 560px;
  padding: clamp(28px, 4vw, 54px);
  border: 1px solid var(--line-dark);
  border-radius: calc(var(--radius) + 4px);
  background: var(--ink-2);
}

.input-record {
  background:
    radial-gradient(circle at 100% 0, rgba(239,41,45,.14), transparent 35%),
    var(--ink-2);
}

.record-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-dark);
}

.record-top span {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.record-top em {
  color: var(--muted-dark);
  font-size: 12px;
  font-style: normal;
}

.record > strong {
  display: block;
  margin: 50px 0 30px;
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 780;
  letter-spacing: -.07em;
  line-height: .9;
}

.record > strong small {
  color: var(--muted-dark);
  font-size: .3em;
  font-weight: 600;
  letter-spacing: -.02em;
}

.completion-bar {
  height: 18px;
  overflow: hidden;
  border-radius: 99px;
  background: #252932;
}

.completion-bar span {
  display: block;
  width: 66.666%;
  height: 100%;
  border-radius: inherit;
  background: var(--heat);
}

.record ul {
  display: grid;
  gap: 13px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.record li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #d4d6db;
}

.record li b {
  color: var(--peach);
  font-size: 12px;
  text-transform: uppercase;
}

.outcome-record > strong {
  max-width: 580px;
  font-size: clamp(3rem, 6vw, 5.7rem);
  line-height: .94;
}

.outcome-date {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding: 22px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.outcome-date span,
.outcome-date b {
  font-size: 13px;
}

.outcome-date span {
  color: var(--muted-dark);
}

.outcome-record > p {
  max-width: 460px;
  margin: 28px 0 0;
  color: var(--muted-dark);
}

.principle {
  max-width: 980px;
  margin: 88px 0 0;
  font-size: clamp(2.5rem, 5.6vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -.065em;
  line-height: 1;
}

.product {
  border-top: 1px solid var(--line-dark);
}

.training-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 56px;
}

.training-list span {
  padding: 12px 17px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: #d8dadd;
  font-size: 14px;
}

.phone-rail-shell {
  margin-top: 76px;
}

.rail-controls {
  display: flex;
  justify-content: end;
  gap: 8px;
  margin-bottom: 18px;
}

.rail-controls button,
.quiet-button,
.dialog-close {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid #3a3f47;
  border-radius: 999px;
  background: transparent;
  color: #dfe1e5;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.phone-rail {
  display: grid;
  grid-auto-columns: minmax(290px, 29%);
  grid-auto-flow: column;
  gap: 20px;
  padding: 2px 2px 22px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--coral) var(--ink-2);
}

.walkthrough {
  scroll-snap-align: start;
}

.screen-number {
  margin: 0 0 4px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.walkthrough > h3 {
  min-height: 46px;
  margin: 0 0 18px;
  font-size: 20px;
  letter-spacing: -.03em;
}

.small-phone {
  width: 100%;
  min-height: 520px;
  border-width: 6px;
  border-radius: 39px;
  box-shadow: none;
}

.small-phone .phone-top {
  margin-bottom: 44px;
}

.small-phone .uncertain {
  color: #9298a2;
}

.mini-record,
.next-step,
.insight {
  align-items: flex-start;
  flex-direction: column;
}

.mini-record span,
.next-step span,
.insight span {
  text-align: left;
}

.mini-record.warm {
  border-color: rgba(255,112,82,.32);
  background: rgba(239,41,45,.12);
}

.trust {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  border-top: 1px solid var(--line-dark);
}

.trust-copy h2 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 760;
  letter-spacing: -.07em;
  line-height: .92;
}

.trust-copy > p:not(.eyebrow) {
  max-width: 590px;
  color: var(--muted-dark);
  font-size: 17px;
}

.trust-commitments {
  border-top: 1px solid var(--line-dark);
}

.trust-commitments p {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 26px;
  margin: 0;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-dark);
}

.trust-commitments b {
  color: var(--paper);
}

.trust-commitments span {
  color: var(--muted-dark);
}

.source-note {
  grid-column: 1 / -1;
  margin: 10px 0 0;
  color: #8b919b;
  font-size: 13px;
}

.source-note a {
  color: #d3d6da;
  text-underline-offset: 4px;
}

.research-standard {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 170px minmax(260px, 1fr) auto auto;
  align-items: center;
  gap: 18px 34px;
  margin-top: 22px;
  padding: 28px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper);
  text-decoration: none;
}

.research-standard strong {
  font-size: 18px;
}

.research-standard small {
  color: var(--muted-dark);
  font-size: 13px;
}

.research-standard b {
  text-decoration: underline;
  text-underline-offset: 5px;
}

/* Research page */
.research-page {
  background: var(--ink);
  color: var(--paper);
}

.research-page .site-header {
  background: rgba(247,247,245,.94);
}

.research-page .mobile-nav summary {
  color: var(--ink);
}

.research-main > section {
  width: var(--page);
  margin: 0 auto;
  padding: 130px 0;
  border-bottom: 1px solid var(--line-dark);
}

.research-hero {
  min-height: min(820px, calc(100dvh - 72px));
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.research-hero h1 {
  max-width: 1500px;
  font-size: clamp(4rem, 6.3vw, 7.2rem);
}

.research-hero > p:not(.eyebrow) {
  max-width: 720px;
  margin: 38px 0 0;
  color: var(--muted-dark);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
}

.research-meta {
  display: grid;
  grid-template-columns: repeat(2, auto 1fr);
  gap: 10px 28px;
  max-width: 850px;
  margin-top: 76px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.research-meta span {
  color: #868c96;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.research-meta strong {
  font-size: 13px;
}

.research-heading {
  max-width: 900px;
}

.research-heading h2,
.origin-copy h2 {
  margin: 0;
  font-size: clamp(3rem, 6vw, 6rem);
  font-weight: 760;
  letter-spacing: -.07em;
  line-height: .94;
}

.research-heading > p:last-child {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted-dark);
  font-size: 18px;
}

.evidence-order ol {
  margin: 84px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: evidence-level;
}

.evidence-order li {
  counter-increment: evidence-level;
  display: grid;
  grid-template-columns: 72px minmax(240px, .7fr) minmax(280px, 1fr);
  gap: 28px;
  padding: 26px 0;
  border-top: 1px solid var(--line-dark);
}

.evidence-order li:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.evidence-order li::before {
  content: "0" counter(evidence-level);
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
}

.evidence-order b {
  font-size: 19px;
}

.evidence-order span {
  color: var(--muted-dark);
}

.origin-section {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 76px;
}

.origin-copy h2 {
  font-size: clamp(2.8rem, 4.9vw, 5rem);
}

.origin-copy > p:not(.eyebrow) {
  color: var(--muted-dark);
}

.origin-copy > a {
  color: var(--paper);
  font-weight: 700;
  text-underline-offset: 5px;
}

.video-object {
  align-self: start;
}

.video-object iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.video-object p {
  margin: 14px 0 0;
  color: #858b94;
  font-size: 12px;
}

.commentary-bounds {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.commentary-bounds article {
  padding: clamp(28px, 4vw, 48px);
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.commentary-bounds h3 {
  margin: 0 0 26px;
  font-size: 24px;
  letter-spacing: -.04em;
}

.commentary-bounds ul {
  display: grid;
  gap: 13px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted-dark);
}

.limits-list {
  margin-top: 76px;
}

.limits-list p {
  max-width: 1120px;
  margin: 0;
  padding: 24px 0;
  border-top: 1px solid var(--line-dark);
  font-size: clamp(1.6rem, 3.3vw, 3.5rem);
  font-weight: 680;
  letter-spacing: -.045em;
  line-height: 1.08;
}

.limits-list p:last-child {
  border-bottom: 1px solid var(--line-dark);
}

.medical-note {
  max-width: 720px;
  margin: 54px 0 0 auto;
  color: var(--muted-dark);
}

.evidence-map {
  margin-top: 78px;
  border-top: 1px solid var(--line-dark);
}

.evidence-map article {
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(320px, 1.25fr);
  gap: 60px;
  padding: 30px 0;
  border-bottom: 1px solid var(--line-dark);
}

.evidence-map b {
  font-size: 18px;
}

.evidence-map span {
  color: var(--muted-dark);
}

.source-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 78px;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.source-list a {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  padding: 34px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper);
  text-decoration: none;
}

.source-list b {
  margin-top: auto;
  font-size: 21px;
  letter-spacing: -.035em;
}

.source-list small {
  margin-top: 12px;
  color: var(--muted-dark);
  font-size: 13px;
}

.source-list a:hover b,
.research-standard:hover b,
.origin-copy > a:hover {
  color: var(--coral);
}

.research-close {
  max-width: 1040px;
  margin: 100px 0 0;
  font-size: clamp(2.8rem, 6vw, 6.5rem);
  font-weight: 760;
  letter-spacing: -.07em;
  line-height: .94;
}

.research-page footer {
  grid-template-columns: 1fr auto auto auto;
}

.final-cta {
  display: flex;
  min-height: 90dvh;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 130px 0;
  border-top: 1px solid var(--line-dark);
  text-align: center;
}

.full-mark {
  display: flex;
  align-items: end;
  gap: 10px;
  margin-bottom: 48px;
}

.full-mark i { width: 28px; border-radius: 16px; }
.full-mark i:nth-child(1) { height: 28px; border-radius: 50%; }
.full-mark i:nth-child(2) { height: 48px; }
.full-mark i:nth-child(3) { height: 69px; }
.full-mark i:nth-child(4) { height: 92px; }
.full-mark i:nth-child(5) { height: 118px; }

.final-cta h2 {
  font-size: clamp(4rem, 10vw, 10rem);
}

.final-cta h2 span {
  font-weight: 350;
}

.final-cta > p {
  margin: 40px 0;
  color: var(--muted-dark);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

.dark-chapter .button,
.hard-check .button {
  background: #f3f3f0;
  color: var(--ink);
}

.dark-chapter .button:hover,
.hard-check .button:hover {
  background: #fffef9;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 30px;
  padding: 30px max(24px, calc((100vw - 1240px) / 2));
  border-top: 1px solid var(--line-dark);
  background: var(--ink);
  color: #878d97;
  font-size: 12px;
}

.footer-brand {
  color: var(--paper);
}

.hard-check {
  width: min(680px, calc(100vw - 28px));
  max-height: min(820px, calc(100dvh - 28px));
  padding: 0;
  overflow: hidden;
  border: 1px solid #333842;
  border-radius: 30px;
  background: var(--ink-2);
  color: var(--paper);
  box-shadow: 0 36px 100px rgba(0,0,0,.55);
}

.hard-check::backdrop {
  background: rgba(7,9,12,.78);
  backdrop-filter: blur(8px);
}

.check-shell {
  position: relative;
  max-height: inherit;
  padding: clamp(28px, 6vw, 58px);
  overflow-y: auto;
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  min-height: 36px;
  color: #afb4bc;
}

.check-step {
  display: none;
  padding-top: 28px;
}

.check-step.active {
  display: block;
}

.check-step h2 {
  margin: 0 0 20px;
  font-size: clamp(2rem, 5vw, 3.3rem);
  letter-spacing: -.055em;
  line-height: 1;
}

.check-step > p:not(.eyebrow):not(.check-counter) {
  max-width: 560px;
  margin-bottom: 28px;
  color: #b8bdc5;
}

.check-boundary,
.result-callout {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding: 22px 0;
  border-top: 1px solid var(--line-dark);
}

.check-boundary span,
.result-callout span {
  color: #b8bdc5;
}

.check-begin {
  margin-top: 25px;
}

.check-counter {
  margin: 0 0 20px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.check-step label {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  padding: 13px 16px;
  border: 1px solid var(--line-dark);
  border-radius: 15px;
  color: #e4e5e8;
  cursor: pointer;
}

.check-step label:hover,
.check-step label:has(input:checked) {
  border-color: var(--coral);
  background: rgba(255,112,82,.09);
}

.check-step input {
  width: 19px;
  height: 19px;
  accent-color: var(--red);
}

.check-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 34px;
}

.check-controls[hidden] {
  display: none;
}

.check-next:disabled {
  cursor: not-allowed;
  opacity: .4;
}

.check-next:disabled::after {
  background: #777;
}

.check-result .button {
  margin-top: 24px;
}

.check-result .quiet-button {
  display: block;
  margin-top: 14px;
}

@media (min-width: 1600px) {
  :root {
    --page: min(1500px, calc(100vw - 96px));
  }

  .site-header,
  footer {
    padding-right: max(48px, calc((100vw - 1500px) / 2));
    padding-left: max(48px, calc((100vw - 1500px) / 2));
  }

  .hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(470px, .92fr);
    align-items: start;
    gap: 54px;
    padding-top: 90px;
    padding-bottom: 70px;
  }

  .hero-copy {
    max-width: 820px;
    margin-top: 88px;
  }

  .hero h1 {
    max-width: 800px;
    font-size: clamp(5rem, 4.6vw, 5.8rem);
  }

  .hero-lede {
    max-width: 680px;
    font-size: 1.25rem;
  }

  .hero-product {
    min-height: 660px;
  }

  .phone-hero {
    width: 360px;
    min-height: 620px;
    margin-top: 76px;
  }

  .hero-bars {
    top: 0;
    right: 12px;
  }

  .hero-bars i {
    width: 58px;
  }

  .hero-bars i:nth-child(1) { height: 58px; }
  .hero-bars i:nth-child(2) { height: 100px; }
  .hero-bars i:nth-child(3) { height: 150px; }
  .hero-bars i:nth-child(4) { height: 205px; }
  .hero-bars i:nth-child(5) { height: 266px; }

  .relevance {
    position: relative;
    z-index: 2;
    margin-top: 0;
  }
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
}

.js [data-reveal].revealed {
  opacity: 1;
  transform: none;
  transition: opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1);
}

@media (max-width: 1020px) {
  .desktop-nav,
  .site-header > .button-small {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr auto;
  }

  .mobile-nav {
    position: relative;
    display: block;
  }

  .mobile-nav summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 750;
    list-style: none;
  }

  .mobile-nav summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav nav {
    position: absolute;
    right: 0;
    top: 48px;
    display: grid;
    width: min(290px, calc(100vw - 32px));
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: var(--paper);
    box-shadow: 0 20px 60px rgba(11,13,16,.14);
  }

  .mobile-nav nav a,
  .text-button {
    padding: 13px 8px;
    border: 0;
    background: none;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
    text-align: left;
    text-decoration: none;
  }

  .hero {
    grid-template-columns: 1fr 390px;
  }

  .hero-product {
    min-height: 560px;
  }

  .phone-hero {
    margin-right: -10px;
  }

  .factor {
    grid-template-columns: 32px 135px 1fr;
  }

  .method article {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .record-grid,
  .trust,
  .credibility-intro,
  .origin-section {
    grid-template-columns: 1fr;
  }

  .credibility-intro .research-link {
    grid-column: 1;
  }

  .origin-copy {
    max-width: 760px;
  }

  .record {
    min-height: 500px;
  }

  .phone-rail {
    grid-auto-columns: minmax(290px, 42%);
  }

  .source-note {
    grid-column: 1;
  }
}

@media (max-width: 760px) {
  :root {
    --page: calc(100vw - 32px);
    --radius: 19px;
  }

  .site-header {
    min-height: 64px;
    padding: 0 16px;
  }

  .story-meter {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 62px 0 66px;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.9rem);
  }

  .hero-lede {
    margin-top: 22px;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
    margin-top: 28px;
  }

  .hero-product {
    min-height: 620px;
    margin-top: 48px;
  }

  .hero-bars {
    top: 0;
    right: 0;
    left: 0;
    justify-content: center;
  }

  .hero-bars i {
    width: 36px;
  }

  .phone-hero {
    margin: 90px 0 0;
    transform: none;
  }

  .relevance,
  .reset,
  .progress-section,
  .product,
  .credibility,
  .trust {
    padding: 92px 0;
  }

  .evidence-strip {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 0;
  }

  .evidence-strip p {
    display: grid;
    gap: 6px;
  }

  .evidence-strip strong {
    margin: 0 0 6px;
  }

  .evidence-strip span + span::before {
    content: none;
  }

  .credibility-intro {
    gap: 26px;
  }

  .credibility-intro h2 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .evidence-grid,
  .commentary-bounds,
  .source-list {
    grid-template-columns: 1fr;
  }

  .evidence-grid {
    margin-top: 58px;
  }

  .evidence-grid article {
    min-height: 320px;
  }

  .research-standard {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .research-standard strong {
    margin: 8px 0 4px;
  }

  .research-main > section {
    padding: 88px 0;
  }

  .research-hero {
    min-height: auto;
  }

  .research-hero h1 {
    font-size: clamp(3.35rem, 16vw, 5.4rem);
  }

  .research-meta {
    grid-template-columns: 1fr;
    gap: 5px;
    margin-top: 52px;
  }

  .research-meta strong + span {
    margin-top: 16px;
  }

  .research-heading h2,
  .origin-copy h2 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .evidence-order ol,
  .limits-list,
  .evidence-map,
  .source-list {
    margin-top: 54px;
  }

  .evidence-order li {
    grid-template-columns: 42px 1fr;
    gap: 8px 14px;
  }

  .evidence-order li span {
    grid-column: 2;
  }

  .origin-section {
    gap: 50px;
  }

  .commentary-bounds {
    grid-column: 1;
  }

  .video-object iframe {
    border-radius: 16px;
  }

  .evidence-map article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .source-list a {
    min-height: 235px;
    padding: 28px;
  }

  .medical-note {
    margin-left: 0;
  }

  .research-close {
    margin-top: 72px;
  }

  .section-heading h2,
  .trust-copy h2 {
    font-size: clamp(3rem, 14vw, 4.8rem);
  }

  .section-heading > p:last-child {
    font-size: 16px;
  }

  .factor-grid {
    grid-template-columns: 1fr;
    margin-top: 55px;
  }

  .factor {
    grid-template-columns: 28px 1fr;
    gap: 8px 12px;
  }

  .factor p {
    grid-column: 2;
  }

  .method {
    gap: 74px;
    margin-top: 105px;
  }

  .method b {
    font-size: clamp(4rem, 20vw, 6.8rem);
  }

  .program-track {
    grid-template-columns: none;
    grid-auto-columns: 82%;
    grid-auto-flow: column;
    margin-right: -16px;
    padding-right: 16px;
    scroll-snap-type: x mandatory;
  }

  .program-track article {
    min-height: 280px;
    scroll-snap-align: start;
  }

  .record-grid {
    gap: 16px;
    margin-top: 56px;
  }

  .record {
    min-height: auto;
    padding: 28px 22px;
  }

  .record-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .record > strong,
  .outcome-record > strong {
    margin-top: 38px;
  }

  .record li,
  .outcome-date {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .principle {
    margin-top: 68px;
    font-size: clamp(2.6rem, 12vw, 4.4rem);
  }

  .phone-rail {
    grid-auto-columns: 86%;
  }

  .rail-controls {
    justify-content: start;
  }

  .trust {
    gap: 58px;
  }

  .trust-commitments p {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .final-cta {
    min-height: 80dvh;
    padding: 100px 0;
  }

  .full-mark i { width: 22px; }
  .full-mark i:nth-child(1) { height: 22px; }
  .full-mark i:nth-child(2) { height: 38px; }
  .full-mark i:nth-child(3) { height: 55px; }
  .full-mark i:nth-child(4) { height: 72px; }
  .full-mark i:nth-child(5) { height: 92px; }

  footer {
    grid-template-columns: 1fr;
    padding: 30px 16px;
  }

  .research-page footer {
    grid-template-columns: 1fr;
  }

  .check-shell {
    padding: 26px 20px 30px;
  }

  .dialog-close {
    top: 12px;
    right: 12px;
  }

  .check-boundary,
  .result-callout {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header {
    background: var(--paper);
    backdrop-filter: none;
  }

  .hard-check::backdrop {
    backdrop-filter: none;
  }
}