/*
Theme Name: реИИнжиниринг
Theme URI: https://реиинжиниринг.рф/
Author: Николай Матвеев
Description: Редакционная блочная тема сайта книги «реИИнжиниринг».
Version: 1.0.8
Requires at least: 6.7
Requires PHP: 8.1
Text Domain: reiinzhiniring
*/

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

:root {
  --petrol: #00354d;
  --petrol-deep: #002536;
  --orange: #ea5e02;
  --paper: #f7f4ee;
  --paper-cool: #e5e6eb;
  --white: #fff;
  --ink: #26323a;
  --muted: #536a75;
  --line: rgb(0 53 77 / 19%);
  --line-dark: rgb(255 255 255 / 16%);
  --cyan: #78c8cd;
  --wide: 1240px;
  --reading: 690px;
  --gutter: clamp(24px, 4.4vw, 64px);
  --section: clamp(84px, 8vw, 128px);
  --header-height: 88px;
  --sans: "RII Inter", "Inter", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.62 var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}
.wp-site-blocks,
.wp-site-blocks > * { margin-block-start: 0; }
.wp-site-blocks { padding: 0; }
.rii-wrap {
  width: min(calc(100% - 2 * var(--gutter)), var(--wide));
  margin-inline: auto;
}
.rii-reading {
  max-width: min(100%, 65ch);
  color: var(--muted);
  font-size: clamp(17px, 1.25vw, 19px);
  line-height: 1.66;
}
.rii-reading > :first-child { margin-top: 0; }
.rii-reading > :last-child { margin-bottom: 0; }
.rii-label,
.rii-index {
  margin: 0 0 18px;
  color: var(--petrol);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: .015em;
  line-height: 1.4;
}
.rii-label {
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}
.rii-index { color: var(--muted); font-variant-numeric: tabular-nums; }
h1,
h2,
h3 {
  font-family: var(--sans);
  text-wrap: balance;
}
h2 {
  margin: 0;
  color: var(--petrol);
  font-size: clamp(36px, 3.7vw, 54px);
  font-weight: 570;
  letter-spacing: -.045em;
  line-height: 1.08;
}
.rii-text-link {
  display: inline-block;
  margin-top: 24px;
  padding-bottom: 4px;
  border-bottom: 1px solid currentColor;
  color: var(--petrol);
  font-size: 15px;
  font-weight: 620;
  line-height: 1.35;
  text-decoration: none;
}
.rii-text-link:hover {
  color: var(--petrol);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}
.rii-text-link--light:hover { color: var(--white); }
.rii-text-link span { display: none; }
.rii-text-link--light { color: var(--white); }

/* Header */
.rii-header {
  position: sticky;
  z-index: 30;
  top: 0;
  padding-inline: var(--gutter);
  border-bottom: 1px solid rgb(0 53 77 / 24%);
  background: var(--orange);
  color: var(--petrol);
}
.admin-bar .rii-header { top: 32px; }
.rii-header__inner {
  width: min(100%, var(--wide));
  min-height: var(--header-height);
  margin-inline: auto;
}
.rii-header a { color: inherit; text-decoration: none; }
.rii-wordmark {
  display: flex;
  height: calc(var(--header-height) * .9);
  color: var(--petrol);
  font-size: clamp(27px, 2.4vw, 34px);
  font-weight: 790;
  letter-spacing: .055em;
  line-height: .95;
  align-items: center;
}
.rii-wordmark a { display: flex; height: 100%; align-items: center; }
.rii-wordmark a::first-letter { color: var(--petrol); }
.rii-header .wp-block-navigation__container { gap: clamp(6px, 1.1vw, 14px); }
.rii-header .wp-block-navigation-item__content {
  padding: 13px 16px;
  color: var(--petrol);
  font-size: clamp(16px, 1.35vw, 18px);
  font-weight: 760;
  line-height: 1.2;
  transition: color 140ms ease, background-color 140ms ease;
}
.rii-header .wp-block-navigation-item__content:hover {
  background: rgb(0 53 77 / 11%);
  color: var(--petrol-deep);
}
.rii-header .wp-block-navigation-item.is-current > .wp-block-navigation-item__content,
.rii-header .wp-block-navigation-item__content[aria-current="page"] {
  background: var(--petrol);
  color: var(--orange);
}
.rii-header .wp-block-navigation__responsive-container-open,
.rii-header .wp-block-navigation__responsive-container-close { color: var(--petrol); }

/* Homepage hero: selected architectural-grid direction */
.rii-home-hero {
  overflow: hidden;
  background: var(--petrol);
  color: var(--white);
}
.rii-home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(430px, 1fr);
  min-height: 700px;
  border-inline: 1px solid var(--line-dark);
}
.rii-home-hero__copy {
  display: flex;
  min-width: 0;
  padding: 86px clamp(38px, 4.2vw, 66px) 72px 24px;
  border-right: 1px solid var(--line-dark);
  flex-direction: column;
  justify-content: center;
}
.rii-home-hero__copy .rii-text-link { align-self: flex-start; }
.rii-home-hero h1 {
  max-width: 640px;
  margin: 0;
  color: var(--white);
  font-size: clamp(44px, 4.3vw, 62px);
  font-weight: 520;
  letter-spacing: -.045em;
  line-height: 1.01;
}
.rii-home-hero h1::before {
  display: block;
  width: 40px;
  margin-bottom: 32px;
  border-top: 4px solid var(--orange);
  content: "";
}
.rii-home-hero__subtitle {
  max-width: 630px;
  margin: 28px 0 0;
  color: var(--orange);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.45;
}
.rii-home-hero__summary {
  max-width: 65ch;
  margin: 22px 0 0;
  color: rgb(255 255 255 / 68%);
  font-size: 17px;
  line-height: 1.56;
}
.rii-home-hero__book {
  display: flex;
  min-width: 0;
  margin: 0;
  padding: 44px 20px 24px 40px;
  align-items: center;
  justify-content: center;
}
.rii-home-hero__book img {
  width: min(100%, 530px);
  max-height: 630px;
  object-fit: contain;
  filter: drop-shadow(26px 30px 28px rgb(0 18 28 / 36%));
}

/* Homepage sections */
.rii-home-theses {
  padding: var(--section) var(--gutter);
  background: var(--paper);
}
.rii-home-theses__head {
  display: block;
  padding-bottom: 60px;
  border-bottom: 1px solid var(--line);
}
.rii-home-theses__head h2 {
  width: 100%;
  max-width: none;
  font-size: clamp(42px, 4.5vw, 66px);
  font-weight: 640;
}
.rii-home-theses__head > p:last-child {
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}
.rii-thesis-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.rii-thesis-list li {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) minmax(310px, .62fr);
  gap: clamp(34px, 5vw, 72px);
  min-height: 224px;
  padding-block: 42px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.rii-thesis-list__number {
  color: var(--orange);
  font-size: 25px;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.rii-thesis-list__kicker {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: .06em;
  line-height: 1.4;
  text-transform: uppercase;
}
.rii-thesis-list h3 {
  max-width: 760px;
  margin: 0;
  color: var(--petrol);
  font-size: clamp(27px, 2.6vw, 39px);
  font-weight: 640;
  letter-spacing: -.04em;
  line-height: 1.12;
}
.rii-thesis-list li > p {
  max-width: 50ch;
  margin: 35px 0 0;
  color: var(--muted);
  font-size: 17px;
  font-weight: 470;
  line-height: 1.62;
}
.rii-home-intro,
.rii-home-library,
.rii-home-author { padding-block: var(--section); }
.rii-home-intro { background: var(--white); }
.rii-home-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(330px, .72fr);
  gap: clamp(32px, 5vw, 76px);
  align-items: start;
}
.rii-home-intro__grid .rii-reading { padding-top: 34px; }
.rii-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: clamp(48px, 6vw, 82px);
}
.rii-section-head > div { max-width: 830px; }
.rii-home-topics {
  padding-block: var(--section);
  background: var(--paper-cool);
}
.rii-topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-topic-list > a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px 18px;
  min-height: 210px;
  padding: clamp(28px, 3.2vw, 42px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}
.rii-topic-list > a:hover { background: rgb(255 255 255 / 58%); }
.rii-topic-list span { color: var(--orange); font-size: 14px; }
.rii-topic-list h3 {
  margin: 0;
  color: var(--petrol);
  font-size: clamp(23px, 2vw, 30px);
  font-weight: 570;
  letter-spacing: -.035em;
  line-height: 1.12;
}
.rii-topic-list p {
  grid-column: 2;
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}
.rii-topic-list figure {
  grid-row: 1 / span 3;
  grid-column: 2;
  margin: 0;
  overflow: hidden;
  background: var(--petrol);
}
.rii-topic-list figure img { width: 100%; height: 100%; object-fit: cover; }
.rii-home-method {
  padding-block: var(--section);
  background: var(--petrol-deep);
  color: var(--white);
}
.rii-section-head--dark h2 { color: var(--white); }
.rii-section-head--dark .rii-index { color: rgb(255 255 255 / 72%); }
.rii-section-head--dark .rii-label {
  border-left-color: var(--orange);
  color: var(--white);
}
.rii-method-line {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  list-style: none;
}
.rii-method-line li {
  display: flex;
  min-height: 190px;
  padding: 26px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  flex-direction: column;
}
.rii-method-line span { color: var(--orange); font-size: 16px; font-weight: 700; }
.rii-method-line strong {
  margin-top: auto;
  font-size: clamp(20px, 1.8vw, 26px);
  font-weight: 540;
}
.rii-method-preview {
  display: grid;
  grid-template-columns: minmax(340px, .86fr) minmax(0, 1fr);
  gap: clamp(46px, 6vw, 88px);
  align-items: center;
}
.rii-method-preview figure {
  margin: 0;
  padding: clamp(18px, 2.5vw, 30px);
  border: 1px solid var(--line-dark);
  background: var(--paper);
}
.rii-method-preview figure img {
  width: 100%;
  max-height: 510px;
  object-fit: contain;
}
.rii-method-preview figcaption {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.rii-method-preview > div > .rii-reading {
  color: rgb(255 255 255 / 72%);
}
.rii-method-preview__steps {
  margin: 36px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}
.rii-method-preview__steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
  align-items: baseline;
}
.rii-method-preview__steps span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 720;
}
.rii-method-preview__steps strong {
  color: var(--white);
  font-size: 16px;
  font-weight: 540;
  line-height: 1.5;
}
.rii-library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-library-grid a {
  display: flex;
  min-height: 330px;
  padding: clamp(30px, 3.5vw, 44px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  text-decoration: none;
}
.rii-library-grid a:hover { background: var(--white); }
.rii-library-grid span {
  padding-left: 11px;
  border-left: 3px solid var(--orange);
  color: var(--petrol);
  font-size: 14px;
  font-weight: 650;
}
.rii-library-grid h3 {
  margin: auto 0 0;
  color: var(--petrol);
  font-size: clamp(24px, 2.2vw, 32px);
  font-weight: 560;
  letter-spacing: -.035em;
  line-height: 1.12;
}
.rii-library-grid p { color: var(--muted); font-size: 16px; line-height: 1.5; }
.rii-home-author { background: var(--white); }
.rii-home-author__grid {
  display: grid;
  grid-template-columns: 176px minmax(0, .9fr) minmax(330px, .72fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}
.rii-home-author figure { margin: 0; }
.rii-home-author figure img {
  width: 176px;
  border: 1px solid var(--orange);
}

/* Standard content pages */
.rii-page {
  width: 100%;
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
}
.rii-page > *,
.rii-page > .wp-block-post-content,
.rii-page .wp-block-post-content {
  width: 100% !important;
  max-width: none !important;
}
.rii-page .wp-block-post-content > * {
  width: 100% !important;
  max-width: none !important;
  margin-block-start: 0;
}
.rii-page > h1.wp-block-post-title { display: none; }
.rii-page > .wp-block-post-content { margin: 0; }
.rii-page-hero {
  padding-inline: var(--gutter);
  background: var(--petrol);
  color: var(--white);
}
.rii-page-hero__inner,
.rii-page-section__inner {
  width: min(100%, var(--wide));
  margin-inline: auto;
}
.rii-page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .62fr);
  gap: clamp(34px, 5vw, 72px);
  min-height: 490px;
  padding: 92px 24px 82px;
  border-inline: 1px solid var(--line-dark);
  align-items: end;
}
.rii-page-hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--white);
  font-size: clamp(44px, 4.4vw, 64px);
  font-weight: 530;
  letter-spacing: -.05em;
  line-height: 1.02;
}
.rii-page-hero__intro {
  max-width: min(430px, 65ch);
  margin: 0;
  padding-right: 24px;
  color: rgb(255 255 255 / 70%);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.55;
}
.rii-page-hero .rii-label {
  border-left-color: var(--orange);
  color: var(--white);
}
.rii-page-hero .rii-index { color: rgb(255 255 255 / 70%); }
.rii-page-section {
  padding: var(--section) var(--gutter);
  background: var(--paper);
}
.rii-page-section--cool { background: var(--paper-cool); }
.rii-page-section--white { background: var(--white); }
.rii-page-section--dark { background: var(--petrol-deep); color: var(--white); }
.rii-section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, .62fr);
  gap: clamp(44px, 7vw, 96px);
  padding-bottom: 58px;
  border-bottom: 1px solid var(--line);
  align-items: end;
}
.rii-section-intro h2 { max-width: 790px; }
.rii-section-intro > p {
  max-width: 52ch;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}
.rii-editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .7fr);
  gap: clamp(34px, 5vw, 72px);
}
.rii-editorial-grid h2 { max-width: 760px; }
.rii-page-section--dark h2 { color: var(--white); }
.rii-page-section--dark .rii-reading { color: rgb(255 255 255 / 70%); }
.rii-shift-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.rii-shift-list > li {
  display: grid;
  grid-template-columns: 72px minmax(0, .92fr) minmax(390px, 1.08fr);
  gap: clamp(28px, 4vw, 62px);
  padding-block: 48px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.rii-shift-list__number {
  color: var(--orange);
  font-size: 24px;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.rii-shift-list__tag,
.rii-shift-list__reading {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 660;
  line-height: 1.4;
}
.rii-shift-list__tag {
  margin-bottom: 14px;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.rii-shift-list h3 {
  max-width: 650px;
  margin: 0;
  color: var(--petrol);
  font-size: clamp(27px, 2.45vw, 37px);
  font-weight: 560;
  letter-spacing: -.04em;
  line-height: 1.12;
}
.rii-shift-list__reading {
  margin-top: 28px;
  color: var(--petrol);
}
.rii-shift-list__logic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}
.rii-shift-list__logic p {
  margin: 0;
  padding: 25px 27px;
  background: rgb(255 255 255 / 62%);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.rii-shift-list__logic strong {
  display: block;
  margin-bottom: 12px;
  color: var(--petrol);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: .025em;
}

/* Book ideas */
.rii-idea-cases {
  margin-top: clamp(64px, 8vw, 112px);
  border-top: 1px solid var(--line);
}
.rii-idea-case {
  display: grid;
  grid-template-columns: minmax(0, .96fr) minmax(390px, 1.04fr);
  gap: clamp(46px, 7vw, 100px);
  padding-block: clamp(62px, 7vw, 96px);
  border-bottom: 1px solid var(--line);
  align-items: stretch;
}
.rii-idea-case__copy {
  padding: clamp(30px, 4vw, 54px);
  background: var(--paper-cool);
}
.rii-idea-case__number {
  margin: 0 0 22px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
  color: var(--petrol);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.rii-idea-case h3 {
  max-width: 720px;
  margin: 0 0 32px;
  color: var(--petrol);
  font-size: clamp(31px, 3vw, 46px);
  font-weight: 560;
  letter-spacing: -.045em;
  line-height: 1.08;
}
.rii-idea-case__copy > p:not(.rii-idea-case__number, .rii-idea-case__chapters) {
  max-width: 65ch;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}
.rii-book-vector {
  display: flex;
  min-height: 620px;
  align-self: stretch;
  margin: 0;
  padding: clamp(18px, 2.4vw, 34px);
  border: 1px solid rgb(255 255 255 / 10%);
  background: var(--petrol);
  box-shadow: 0 18px 42px rgb(11 60 77 / 14%);
  align-items: center;
}
.rii-book-vector .rii-vector-trigger {
  position: relative;
  display: block;
  width: 100%;
  color: inherit;
  cursor: zoom-in;
  text-decoration: none;
}
.rii-book-vector .rii-vector-trigger::after {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 38px;
  height: 38px;
  border: 1px solid rgb(255 255 255 / 34%);
  border-radius: 50%;
  background: rgb(0 37 54 / 76%);
  color: var(--paper);
  content: "+";
  font-size: 25px;
  font-weight: 500;
  line-height: 1;
  place-items: center;
  transition: transform 140ms ease, background-color 140ms ease;
}
.rii-book-vector .rii-vector-trigger:hover::after {
  background: var(--orange);
  transform: scale(1.08);
}
.rii-book-vector img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 720px;
  object-fit: contain;
}
.rii-idea-case__copy strong { color: var(--petrol); font-weight: 650; }
.rii-idea-case blockquote {
  max-width: 60ch;
  margin: 30px 0 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--orange);
  color: var(--petrol);
  font-size: 18px;
  font-weight: 590;
  line-height: 1.5;
}
.rii-idea-case__chapters {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 620;
}
.rii-native-figure {
  min-height: 440px;
  justify-content: center;
}
.rii-native-figure__eyebrow {
  margin: 0 0 28px;
  color: var(--petrol);
  font-size: 14px;
  font-weight: 760;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.rii-native-figure small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.42;
}
.rii-native-sequence {
  display: grid;
  gap: 10px;
}
.rii-native-sequence > div {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.rii-native-sequence span {
  grid-row: 1 / 3;
  color: var(--orange);
  font-size: 18px;
  font-weight: 780;
}
.rii-native-sequence strong,
.rii-native-selection strong,
.rii-native-layers strong,
.rii-native-responsibility strong,
.rii-native-decision strong {
  color: var(--petrol);
  font-weight: 690;
  line-height: 1.3;
}
.rii-native-selection {
  display: grid;
  gap: 8px;
  align-items: center;
  justify-items: center;
}
.rii-native-selection > div {
  width: 100%;
  padding: 14px 18px;
  border-left: 4px solid var(--orange);
  background: var(--paper);
}
.rii-native-selection > div:nth-child(2) { width: 92%; }
.rii-native-selection > div:nth-child(3) { width: 84%; }
.rii-native-selection > div:nth-child(4) { width: 76%; }
.rii-native-selection > div:nth-child(5) {
  width: 68%;
  background: var(--petrol);
  border-left-color: var(--orange);
}
.rii-native-selection > div:nth-child(5) strong { color: var(--white); }
.rii-native-selection > div:nth-child(5) small { color: rgb(255 255 255 / 72%); }
.rii-native-layers {
  display: grid;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.rii-native-layers > div {
  padding: 18px 20px;
  background: var(--paper);
}
.rii-native-layers span {
  display: block;
  margin-bottom: 5px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.rii-native-responsibility {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.rii-native-responsibility > div {
  padding: 22px;
  background: var(--paper);
}
.rii-native-responsibility > div:last-child {
  background: var(--petrol);
  color: var(--white);
}
.rii-native-responsibility span {
  display: block;
  margin-bottom: 18px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 780;
  text-transform: uppercase;
}
.rii-native-responsibility > div:last-child strong { color: var(--white); }
.rii-native-responsibility ul {
  margin: 18px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
}
.rii-native-figure__statement {
  margin: 14px 0 0;
  padding: 16px 20px;
  border: 1px solid var(--orange);
  color: var(--petrol);
  font-size: 16px;
  font-weight: 720;
  text-align: center;
}
.rii-native-functions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.rii-native-functions span {
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--petrol);
  font-size: 14px;
  font-weight: 680;
  text-align: center;
}
.rii-native-functions span:last-child { grid-column: 1 / -1; }
.rii-native-decision {
  margin-top: 16px;
  padding: 24px;
  border-left: 5px solid var(--orange);
  background: var(--petrol);
  color: var(--white);
}
.rii-native-decision small {
  margin: 0 0 8px;
  color: rgb(255 255 255 / 68%);
}
.rii-native-decision strong {
  display: block;
  color: var(--white);
  font-size: 24px;
}
.rii-native-decision p {
  margin: 9px 0 0;
  color: rgb(255 255 255 / 74%);
  font-size: 14px;
  line-height: 1.5;
}

/* Book contents and role-based reading map */
.rii-contents-map {
  position: relative;
  margin: clamp(56px, 7vw, 94px) 0 0;
}
.rii-contents-map picture,
.rii-contents-map img {
  display: block;
  width: 100%;
}

/* Accessible in-page enlargement for book diagrams */
.rii-vector-lightbox {
  box-sizing: border-box;
  width: min(98vw, 1800px);
  max-width: none;
  height: min(96vh, 1400px);
  max-height: none;
  padding: 0;
  border: 1px solid rgb(255 255 255 / 18%);
  background: var(--petrol);
  color: var(--paper);
  box-shadow: 0 34px 100px rgb(0 18 28 / 55%);
}
.rii-vector-lightbox[open] {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
}
.rii-vector-lightbox::backdrop { background: rgb(0 18 28 / 82%); }
.rii-vector-lightbox__bar {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  min-height: 64px;
  padding: 12px 18px 12px 24px;
  border-bottom: 1px solid rgb(255 255 255 / 15%);
  background: var(--petrol-deep);
  align-items: center;
  justify-content: space-between;
}
.rii-vector-lightbox__bar p {
  margin: 0;
  color: rgb(255 255 255 / 72%);
  font-size: 15px;
  font-weight: 650;
}
.rii-vector-lightbox__bar button {
  padding: 10px 16px;
  border: 1px solid var(--orange);
  background: var(--orange);
  color: var(--petrol);
  cursor: pointer;
  font: 760 15px/1 var(--sans);
}
.rii-vector-lightbox__viewport {
  display: flex;
  box-sizing: border-box;
  height: auto;
  min-height: 0;
  padding: clamp(10px, 1.25vw, 20px);
  overflow: auto;
  align-items: flex-start;
  justify-content: center;
  overscroll-behavior: contain;
}
.rii-vector-lightbox__viewport img {
  position: static;
  width: min(100%, 1600px);
  max-width: none;
  height: auto;
  max-height: none;
  object-fit: fill;
}
html.rii-lightbox-open,
html.rii-lightbox-open body { overflow: hidden; }
.rii-contents-map__mobile { display: none !important; }
.rii-contents-map img {
  height: auto;
  border: 1px solid rgb(11 60 77 / 16%);
  box-shadow: 0 26px 64px rgb(11 60 77 / 12%);
}
.rii-book-map {
  display: grid;
  gap: 18px;
  margin-top: clamp(60px, 7vw, 92px);
}
.rii-book-part {
  display: grid;
  grid-template-columns: minmax(250px, .62fr) minmax(0, 1.38fr);
  border: 1px solid var(--line);
  background: var(--paper);
}
.rii-book-part > header {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 20px;
  padding: clamp(28px, 3vw, 42px);
  background: var(--petrol);
  color: var(--white);
  align-content: start;
}
.rii-book-part > header > span {
  color: var(--orange);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}
.rii-book-part header p {
  margin: 0 0 10px;
  color: rgb(255 255 255 / 66%);
  font-size: 13px;
  font-weight: 700;
}
.rii-book-part h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(25px, 2.2vw, 32px);
  font-weight: 650;
  letter-spacing: -.035em;
  line-height: 1.12;
}
.rii-book-part ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}
.rii-book-part li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.rii-book-part li span {
  color: var(--orange);
  font-size: 15px;
  font-weight: 800;
}
.rii-book-part li strong {
  color: var(--petrol);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.38;
}
.rii-book-part__result {
  grid-column: 1 / -1;
  margin: 0;
  padding: 18px clamp(24px, 3vw, 42px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}
.rii-reading-routes {
  margin-top: clamp(72px, 8vw, 110px);
  padding-top: clamp(52px, 6vw, 76px);
  border-top: 1px solid var(--line);
}
.rii-reading-routes > header {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: 36px;
  align-items: end;
}
.rii-reading-routes h3 {
  margin: 0;
  color: var(--petrol);
  font-size: clamp(32px, 3.4vw, 48px);
  font-weight: 640;
  letter-spacing: -.04em;
  line-height: 1.08;
}
.rii-reading-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 44px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-reading-route-grid article {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rii-reading-route-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 780;
  letter-spacing: .03em;
  text-transform: uppercase;
}
.rii-reading-route-grid strong {
  display: block;
  color: var(--petrol);
  font-size: 19px;
  font-weight: 680;
  line-height: 1.34;
}
.rii-reading-route-grid p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
}

/* Method and materials */
.rii-signal-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(58px, 7vw, 92px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  list-style: none;
}
.rii-signal-list li {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 16px;
  min-height: 240px;
  padding: clamp(28px, 3vw, 42px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rii-signal-list li:last-child { grid-column: 1 / -1; min-height: 190px; }
.rii-signal-list span {
  color: var(--orange);
  font-size: 24px;
  font-weight: 720;
}
.rii-signal-list h3 {
  margin: 0;
  color: var(--petrol);
  font-size: clamp(23px, 2vw, 31px);
  font-weight: 570;
  letter-spacing: -.035em;
  line-height: 1.15;
}
.rii-signal-list p {
  max-width: 52ch;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}
.rii-process-example {
  display: grid;
  grid-template-columns: minmax(360px, .84fr) minmax(0, 1fr);
  gap: clamp(46px, 6vw, 86px);
  margin-top: clamp(58px, 7vw, 92px);
  align-items: start;
}
.rii-process-example figure {
  margin: 0;
  padding: clamp(18px, 2.3vw, 30px);
  border: 1px solid var(--line);
  background: var(--white);
}
.rii-process-example figure img { width: 100%; }
.rii-process-example figcaption {
  margin-top: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}
.rii-decision-compare {
  display: grid;
  border-top: 1px solid var(--line);
}
.rii-decision-compare article {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.rii-decision-compare h3 {
  max-width: 660px;
  margin: 0;
  color: var(--petrol);
  font-size: clamp(25px, 2.2vw, 34px);
  font-weight: 560;
  letter-spacing: -.035em;
  line-height: 1.14;
}
.rii-decision-compare article > p:last-child {
  max-width: 60ch;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.58;
}
.rii-method-workstreams {
  padding: var(--section) var(--gutter);
  background: var(--petrol-deep);
  color: var(--white);
}
.rii-section-intro--dark h2 { color: var(--white); }
.rii-section-intro--dark > p { color: rgb(255 255 255 / 66%); }
.rii-section-intro--dark .rii-label { color: var(--white); }
.rii-workstream-list {
  margin: clamp(58px, 7vw, 92px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}
.rii-workstream-list li {
  display: grid;
  grid-template-columns: 56px minmax(260px, 1.15fr) minmax(220px, .85fr) minmax(220px, .85fr);
  gap: clamp(20px, 3vw, 46px);
  padding-block: 34px;
  border-bottom: 1px solid var(--line-dark);
  align-items: start;
}
.rii-workstream-list__number {
  color: var(--orange);
  font-size: 19px;
  font-weight: 720;
}
.rii-workstream-list h3 {
  margin: 0;
  color: var(--white);
  font-size: clamp(24px, 2.2vw, 34px);
  font-weight: 540;
  letter-spacing: -.035em;
  line-height: 1.14;
}
.rii-workstream-list .rii-label {
  color: rgb(255 255 255 / 76%);
}
.rii-workstream-list li > div:nth-last-child(-n + 2) strong {
  display: block;
  margin-bottom: 10px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 710;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.rii-workstream-list li > div:nth-last-child(-n + 2) p {
  margin: 0;
  color: rgb(255 255 255 / 66%);
  font-size: 15px;
  line-height: 1.55;
}
.rii-diagnostic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(310px, .72fr);
  gap: clamp(48px, 7vw, 100px);
  margin-top: clamp(58px, 7vw, 92px);
  align-items: start;
}
.rii-diagnostic-stages {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.rii-diagnostic-stages li {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 20px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.rii-diagnostic-stages span {
  color: var(--orange);
  font-size: 24px;
  font-weight: 720;
}
.rii-diagnostic-stages strong {
  color: var(--petrol);
  font-size: 20px;
  font-weight: 600;
}
.rii-diagnostic-stages p {
  max-width: 60ch;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.rii-diagnostic-output {
  padding: clamp(30px, 3.5vw, 44px);
  border-top: 4px solid var(--orange);
  background: var(--petrol);
  color: var(--white);
}
.rii-diagnostic-output .rii-label { color: var(--white); }
.rii-diagnostic-output h3 {
  margin: 0;
  font-size: clamp(28px, 2.5vw, 38px);
  font-weight: 560;
  letter-spacing: -.04em;
  line-height: 1.12;
}
.rii-diagnostic-output ul {
  margin: 32px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}
.rii-diagnostic-output li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  color: rgb(255 255 255 / 72%);
  font-size: 15px;
}
.rii-download-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(58px, 7vw, 92px);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-download-card {
  display: flex;
  min-height: 650px;
  padding: clamp(28px, 3vw, 40px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 28%);
  flex-direction: column;
}
.rii-download-card__meta {
  display: flex;
  gap: 14px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  font-weight: 630;
}
.rii-download-card__meta span:first-child {
  padding-left: 9px;
  border-left: 3px solid var(--orange);
  color: var(--petrol);
}
.rii-download-card__preview {
  display: grid;
  height: 210px;
  margin: 30px 0 0;
  overflow: hidden;
  border: 1px solid rgb(0 53 77 / 14%);
  background: var(--petrol);
  place-items: center;
}
.rii-download-card__preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.rii-download-card h3 {
  margin: 30px 0 0;
  color: var(--petrol);
  font-size: clamp(25px, 2.2vw, 33px);
  font-weight: 560;
  letter-spacing: -.038em;
  line-height: 1.12;
}
.rii-download-card > p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}
.rii-download-card__action {
  margin-top: auto;
  padding: 16px 0 4px;
  border-bottom: 1px solid var(--petrol);
  color: var(--petrol);
  font-size: 14px;
  font-weight: 680;
  text-decoration: none;
}
.rii-download-card__action:hover {
  border-color: var(--orange);
  color: var(--petrol);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.rii-publication-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 58px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-publication-facts > div {
  min-height: 150px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rii-publication-facts span {
  display: block;
  color: var(--orange);
  font-size: clamp(27px, 2.8vw, 40px);
  font-weight: 650;
  letter-spacing: -.035em;
  line-height: 1;
}
.rii-publication-facts p {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}
.rii-levels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 58px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-levels article {
  min-height: 310px;
  padding: clamp(32px, 4vw, 50px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rii-levels span,
.rii-contour-spec span {
  display: block;
  margin-bottom: 26px;
  color: var(--petrol);
  font-size: 13px;
  font-weight: 680;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.rii-levels span { padding-left: 11px; border-left: 3px solid var(--orange); }
.rii-levels h3 {
  margin: 0;
  color: var(--petrol);
  font-size: clamp(27px, 2.5vw, 38px);
  font-weight: 560;
  letter-spacing: -.04em;
  line-height: 1.1;
}
.rii-levels article > p {
  max-width: 58ch;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
}
.rii-method-map {
  padding: var(--section) var(--gutter);
  background: var(--petrol-deep);
  color: var(--white);
}
.rii-method-map h2 { max-width: 880px; color: var(--white); }
.rii-method-map .rii-label { color: var(--white); }
.rii-method-map__line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
  list-style: none;
}
.rii-method-map__line li {
  display: flex;
  min-height: 220px;
  padding: 28px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  flex-direction: column;
}
.rii-method-map__line span { color: var(--orange); font-size: 15px; font-weight: 720; }
.rii-method-map__line strong {
  margin-top: auto;
  font-size: clamp(21px, 2vw, 28px);
  font-weight: 560;
  line-height: 1.2;
}
.rii-method-map__line small {
  margin-top: 8px;
  color: rgb(255 255 255 / 54%);
  font-size: 13px;
}
.rii-contour-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
}
.rii-contour-spec > div {
  min-height: 185px;
  padding: 28px;
  background: rgb(255 255 255 / 55%);
}
.rii-contour-spec span { margin-bottom: 17px; }
.rii-contour-spec p { margin: 0; font-size: 15px; line-height: 1.55; }
.rii-contour-spec--dark { background: var(--line-dark); }
.rii-contour-spec--dark > div { background: rgb(255 255 255 / 4%); }
.rii-contour-spec--dark span { color: var(--white); }
.rii-theme-map {
  margin: 0;
  padding: 0;
  list-style: none;
}
.rii-theme-map li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(310px, .7fr);
  gap: 26px;
  padding-block: 28px;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rii-theme-map span { color: var(--orange); font-size: 14px; font-weight: 700; }
.rii-theme-map strong { color: var(--petrol); font-size: 20px; font-weight: 570; }
.rii-theme-map p { margin: 0; color: var(--muted); font-size: 15px; }
.rii-theme-map b { color: var(--petrol); font-weight: 650; }
.rii-chapter-list {
  margin: 64px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}
.rii-chapter-list li {
  display: grid;
  grid-template-columns: 72px 1fr minmax(260px, .7fr);
  gap: 18px 26px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.rii-chapter-list span { color: var(--orange); font-size: 24px; font-weight: 720; }
.rii-chapter-list strong {
  color: var(--petrol);
  font-size: 22px;
  font-weight: 560;
  line-height: 1.25;
}
.rii-chapter-list p { margin: 0; color: var(--muted); font-size: 16px; }
.rii-cards-3,
.rii-cards-2 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 60px;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.rii-cards-2 { grid-template-columns: repeat(2, 1fr); }
.rii-card {
  min-height: 270px;
  padding: clamp(30px, 3.5vw, 44px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.rii-card h3 {
  margin: 54px 0 0;
  color: var(--petrol);
  font-size: clamp(24px, 2.1vw, 31px);
  font-weight: 560;
  letter-spacing: -.035em;
  line-height: 1.12;
}
.rii-card p { color: var(--muted); font-size: 16px; line-height: 1.5; }
.rii-card__meta {
  padding-left: 11px;
  border-left: 3px solid var(--orange);
  color: var(--petrol) !important;
  font-size: 14px !important;
  font-weight: 650;
}
.rii-note {
  max-width: 900px;
  margin-top: 54px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}
.rii-page-section--dark .rii-note {
  border-color: var(--line-dark);
  color: rgb(255 255 255 / 68%);
}
.rii-contact-panel {
  display: grid;
  grid-template-columns: 1fr minmax(300px, .62fr);
  gap: 70px;
  align-items: end;
}
.rii-contact-panel a {
  color: var(--petrol);
  font-size: clamp(24px, 2.6vw, 36px);
  font-weight: 560;
}

/* Contact page */
.rii-contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 390px);
  gap: clamp(54px, 7vw, 108px);
  align-items: start;
}
.rii-contact-form-shell h2 { max-width: 680px; }
.rii-contact-form-shell > .rii-reading { margin: 26px 0 0; }
.rii-contact-form { margin-top: 44px; }
.rii-form-row { margin-bottom: 22px; }
.rii-form-row label {
  display: block;
  margin-bottom: 8px;
  color: var(--petrol);
  font-size: 14px;
  font-weight: 680;
}
.rii-form-row label span { color: var(--muted); font-weight: 450; }
.rii-contact-form input[type="text"],
.rii-contact-form input[type="email"],
.rii-contact-form textarea {
  width: 100%;
  min-height: 54px;
  padding: 14px 16px;
  border: 1px solid rgb(0 53 77 / 28%);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--sans);
}
.rii-contact-form textarea { min-height: 180px; resize: vertical; }
.rii-contact-form input::placeholder,
.rii-contact-form textarea::placeholder { color: rgb(83 106 117 / 66%); }
.rii-contact-form input:focus,
.rii-contact-form textarea:focus {
  border-color: var(--orange);
  outline: 3px solid rgb(234 94 2 / 18%);
  outline-offset: 0;
}
.rii-form-consent {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  max-width: 650px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.rii-form-consent input { width: 18px; height: 18px; margin: 2px 0 0; accent-color: var(--orange); }
.rii-form-consent a { color: var(--petrol); }
.rii-form-submit {
  margin-top: 28px;
  padding: 15px 24px;
  border: 1px solid var(--petrol);
  background: var(--petrol);
  color: var(--white);
  cursor: pointer;
  font: 650 15px/1.35 var(--sans);
}
.rii-form-submit:hover {
  border-color: var(--orange);
  background: var(--petrol);
  box-shadow: inset 0 0 0 2px var(--orange);
}
.rii-form-honeypot {
  position: absolute !important;
  overflow: hidden;
  width: 1px;
  height: 1px;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  white-space: nowrap;
}
.rii-form-notice {
  margin: 32px 0 -16px;
  padding: 16px 18px;
  border-left: 4px solid var(--petrol);
  background: var(--paper-cool);
  color: var(--ink);
}
.rii-form-notice--success { border-left-color: #1d7a55; }
.rii-form-notice--error { border-left-color: var(--orange); }
.rii-contact-aside {
  position: sticky;
  top: 124px;
  display: grid;
  gap: 24px;
}
.rii-contact-card,
.rii-contact-qr {
  margin: 0;
  padding: 28px;
  border: 1px solid var(--line);
  background: var(--paper);
}
.rii-contact-email {
  display: block;
  color: var(--petrol);
  font-size: clamp(18px, 1.55vw, 22px);
  font-weight: 620;
  letter-spacing: -.02em;
  line-height: 1.2;
  overflow-wrap: normal;
  word-break: normal;
  text-decoration: none;
}
.rii-contact-card > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.rii-contact-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-block: 1px solid var(--line);
}
.rii-contact-links a {
  padding: 15px 0;
  color: var(--petrol);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}
.rii-contact-links a:last-child { text-align: right; }
.rii-contact-qr img {
  width: min(100%, 250px);
  margin-inline: auto;
}
.rii-contact-qr figcaption { margin-top: 20px; }
.rii-contact-qr figcaption strong,
.rii-contact-qr figcaption span { display: block; }
.rii-contact-qr figcaption strong { color: var(--petrol); font-size: 17px; }
.rii-contact-qr figcaption span { margin-top: 6px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.rii-contact-qr .rii-text-link { margin-top: 18px; }

.rii-author-profile {
  display: grid;
  grid-template-columns: minmax(210px, 280px) minmax(0, 1fr) minmax(210px, 270px);
  gap: clamp(34px, 5vw, 72px);
  align-items: start;
}
.rii-author-profile__portrait { margin: 0; }
.rii-author-profile__portrait img { width: 100%; }
.rii-author-profile__copy h2 { margin-bottom: 30px; }
.rii-author-profile__copy > p:not(.rii-label) {
  max-width: 65ch;
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}
.rii-author-profile__logos { min-width: 0; }
.rii-logo-stack { display: grid; gap: 12px; }
.rii-logo-stack img {
  width: 100%;
  height: 72px;
  padding: 13px 18px;
  border: 1px solid rgb(0 53 77 / 13%);
  background: var(--white);
  object-fit: contain;
}
.rii-logo-stack img[alt="ProductCortex"] {
  padding: 10px 20px;
  background: var(--petrol-deep);
}

/* Footer */
.rii-footer {
  padding-inline: var(--gutter);
  border-top: 1px solid var(--line-dark);
  background: var(--petrol-deep);
  color: rgb(255 255 255 / 76%);
}
.rii-footer__inner {
  width: min(100%, var(--wide));
  margin-inline: auto;
  padding-block: 38px;
}
.rii-footer p {
  color: inherit;
  font-size: 15px;
  font-weight: 520;
  line-height: 1.55;
}
.rii-footer a {
  color: var(--white);
  font-size: 15px;
  font-weight: 680;
}
.rii-footer__primary,
.rii-footer__secondary {
  width: 100%;
  gap: 24px 44px;
}
.rii-footer__primary { padding-bottom: 28px; }
.rii-footer__secondary {
  padding-top: 26px;
  border-top: 1px solid var(--line-dark);
}
.rii-footer__primary p,
.rii-footer__secondary p { margin: 0; }

/* Separate purchase section before the footer */
.rii-purchase-band {
  padding-inline: var(--gutter);
  background: var(--orange);
  color: var(--petrol-deep);
}
.rii-purchase-band__inner {
  width: min(100%, var(--wide));
  min-height: 210px;
  margin-inline: auto;
  padding-block: clamp(42px, 5vw, 68px);
  gap: 32px 60px;
}
.rii-purchase-band__copy { margin: 0; }
.rii-purchase-band__label {
  margin: 0 0 10px;
  color: var(--petrol-deep);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.rii-purchase-band h2 {
  margin: 0;
  color: var(--petrol-deep);
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: .98;
  letter-spacing: -.045em;
}
.rii-purchase-band__action { margin: 0; }
.rii-purchase-band__action a {
  display: inline-flex;
  align-items: center;
  min-height: 58px;
  padding: 15px 24px;
  border: 2px solid var(--petrol-deep);
  background: var(--petrol-deep);
  color: var(--orange);
  font-size: 18px;
  font-weight: 780;
  line-height: 1.2;
  text-decoration: none;
}
.rii-purchase-band__action a:hover,
.rii-purchase-band__action a:focus-visible {
  background: transparent;
  color: var(--petrol-deep);
}

@media (max-width: 1080px) {
  .rii-home-hero__grid { grid-template-columns: minmax(0, 1fr) 420px; }
  .rii-thesis-list li { grid-template-columns: 70px minmax(0, 1fr); }
  .rii-thesis-list li > p { grid-column: 2; margin-top: 0; }
  .rii-shift-list > li { grid-template-columns: 70px minmax(0, 1fr); }
  .rii-shift-list__logic { grid-column: 2; }
  .rii-page-hero__grid,
  .rii-editorial-grid,
  .rii-home-intro__grid {
    grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr);
  }
  .rii-page-hero__intro,
  .rii-editorial-grid > :last-child,
  .rii-home-intro__grid .rii-reading {
    grid-column: 2;
    padding-top: 0;
  }
  .rii-home-author__grid { grid-template-columns: 160px 1fr; }
  .rii-home-author__grid .rii-reading { grid-column: 2; }
  .rii-idea-case { grid-template-columns: minmax(0, 1.08fr) minmax(310px, .72fr); gap: 52px; }
  .rii-book-part { grid-template-columns: minmax(220px, .55fr) minmax(0, 1.45fr); }
  .rii-reading-route-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rii-workstream-list li {
    grid-template-columns: 52px minmax(0, 1.1fr) minmax(220px, .9fr);
  }
  .rii-workstream-list li > div:last-child { grid-column: 3; }
}

@media (max-width: 780px) {
  :root { --gutter: 22px; --section: 78px; --header-height: 76px; }
  .admin-bar .rii-header { top: 46px; }
  .rii-header__inner { min-height: var(--header-height); }
  .rii-wordmark { font-size: 25px; }
  .rii-header .wp-block-navigation__responsive-container.is-menu-open {
    padding: 28px var(--gutter);
    background: var(--orange) !important;
    color: var(--petrol) !important;
  }
  .rii-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container {
    width: 100%;
    gap: 8px;
  }
  .rii-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item,
  .rii-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
    width: 100%;
  }
  .rii-header .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content {
    padding: 15px 18px;
    font-size: 19px;
  }
  .rii-home-hero__grid {
    grid-template-columns: 1fr;
    min-height: auto;
    border-inline: 0;
  }
  .rii-home-hero__copy {
    min-height: 560px;
    padding: 72px 0 54px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }
  .rii-home-hero h1 { font-size: clamp(42px, 11vw, 58px); }
  .rii-home-hero__book { min-height: 500px; padding: 36px 0 18px; }
  .rii-home-hero__book img { width: min(100%, 470px); max-height: 560px; }
  .rii-thesis-list li { grid-template-columns: 1fr; gap: 18px; }
  .rii-thesis-list li > p { grid-column: 1; }
  .rii-thesis-list li { min-height: 0; padding-block: 38px; }
  .rii-thesis-list__number { margin-bottom: 4px; }
  .rii-section-head,
  .rii-section-intro,
  .rii-home-intro__grid,
  .rii-editorial-grid,
  .rii-page-hero__grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .rii-section-intro { align-items: start; }
  .rii-section-head .rii-index,
  .rii-home-intro__grid .rii-index,
  .rii-editorial-grid .rii-index,
  .rii-page-hero__grid .rii-index { display: none; }
  .rii-home-intro__grid .rii-reading,
  .rii-editorial-grid > :last-child,
  .rii-page-hero__intro { grid-column: 1; }
  .rii-page-hero__grid {
    min-height: 430px;
    padding-block: 74px 62px;
    border-inline: 0;
  }
  .rii-page-hero__intro { padding-right: 0; }
  .rii-shift-list > li { grid-template-columns: 1fr; gap: 20px; }
  .rii-shift-list__logic { grid-column: 1; }
  .rii-shift-list__reading { margin-top: 20px; }
  .rii-publication-facts { grid-template-columns: repeat(2, 1fr); }
  .rii-levels { grid-template-columns: 1fr; }
  .rii-method-map__line { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rii-method-map__line li { min-width: 0; min-height: 170px; }
  .rii-method-map__line li:last-child { grid-column: 1 / -1; }
  .rii-theme-map li { grid-template-columns: 48px 1fr; }
  .rii-theme-map p { grid-column: 2; }
  .rii-topic-list { grid-template-columns: 1fr; }
  .rii-topic-list figure { grid-column: 1; grid-row: auto; min-height: 380px; }
  .rii-method-line { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; }
  .rii-method-line li { min-width: 210px; scroll-snap-align: start; }
  .rii-method-preview,
  .rii-process-example,
  .rii-diagnostic-layout { grid-template-columns: 1fr; }
  .rii-method-preview figure,
  .rii-process-example figure { max-width: 620px; }
  .rii-idea-case,
  .rii-idea-case--reverse { grid-template-columns: 1fr; gap: 34px; }
  .rii-idea-case--reverse .rii-idea-case__copy,
  .rii-idea-case--reverse figure { order: initial; }
  .rii-idea-case figure { max-width: 650px; }
  .rii-native-responsibility { grid-template-columns: 1fr; }
  .rii-book-part { grid-template-columns: 1fr; }
  .rii-book-part ol { grid-template-columns: 1fr 1fr; }
  .rii-reading-routes > header { grid-template-columns: 1fr; gap: 16px; }
  .rii-reading-route-grid { grid-template-columns: 1fr; }
  .rii-signal-list,
  .rii-download-list { grid-template-columns: 1fr; }
  .rii-signal-list li:last-child { grid-column: 1; }
  .rii-workstream-list li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 18px 24px;
  }
  .rii-workstream-list li > div:nth-last-child(-n + 2) { grid-column: 2; }
  .rii-download-card { min-height: 560px; }
  .rii-download-card__preview { height: min(52vw, 300px); }
  .rii-library-grid,
  .rii-cards-3,
  .rii-cards-2 { grid-template-columns: 1fr; }
  .rii-library-grid a { min-height: 280px; }
  .rii-home-author__grid { grid-template-columns: 132px 1fr; gap: 28px; }
  .rii-home-author figure img { width: 132px; }
  .rii-home-author__grid .rii-reading { grid-column: 1 / -1; }
  .rii-chapter-list li { grid-template-columns: 48px 1fr; }
  .rii-chapter-list p { grid-column: 2; }
  .rii-contact-panel { grid-template-columns: 1fr; gap: 40px; }
  .rii-contact-layout { grid-template-columns: 1fr; }
  .rii-contact-aside { position: static; grid-template-columns: 1fr 1fr; }
  .rii-contact-card { grid-column: 1 / -1; }
  .rii-contact-links { grid-column: 1 / -1; }
  .rii-contact-qr { grid-column: 1 / -1; }
  .rii-author-profile { grid-template-columns: 190px minmax(0, 1fr); }
  .rii-author-profile__logos { grid-column: 2; }
  .rii-logo-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .rii-purchase-band__inner {
    min-height: 0;
    align-items: flex-start !important;
  }
  .rii-purchase-band__action,
  .rii-purchase-band__action a { width: 100%; }
  .rii-purchase-band__action a { justify-content: center; }
}

@media (max-width: 480px) {
  :root { --gutter: 20px; --section: 70px; --header-height: 70px; }
  body { font-size: 16px; }
  .rii-vector-lightbox__viewport { justify-content: flex-start; }
  .rii-vector-lightbox__viewport img {
    width: 720px;
    flex: 0 0 720px;
  }
  h2 { font-size: 34px; }
  .rii-wordmark { font-size: 22px; }
  .rii-home-hero__copy { min-height: 520px; }
  .rii-home-hero h1 { font-size: 40px; }
  .rii-home-hero__subtitle { font-size: 17px; }
  .rii-home-hero__summary { font-size: 16px; }
  .rii-home-hero__book { min-height: 420px; }
  .rii-home-theses__head { padding-bottom: 42px; }
  .rii-thesis-list h3 { font-size: 29px; }
  .rii-home-theses__head h2 { font-size: 36px; }
  .rii-shift-list__logic,
  .rii-contour-spec { grid-template-columns: 1fr; }
  .rii-publication-facts { grid-template-columns: 1fr; }
  .rii-publication-facts > div { min-height: 120px; }
  .rii-theme-map li { grid-template-columns: 1fr; gap: 10px; }
  .rii-theme-map p { grid-column: 1; }
  .rii-page-hero h1 { font-size: 40px; overflow-wrap: normal; }
  .rii-page-hero__intro { font-size: 17px; }
  .rii-contact-aside { grid-template-columns: 1fr; }
  .rii-contact-card,
  .rii-contact-links,
  .rii-contact-qr { grid-column: 1; }
  .rii-author-profile { grid-template-columns: 1fr; }
  .rii-author-profile__portrait { max-width: 240px; }
  .rii-author-profile__logos { grid-column: 1; }
  .rii-logo-stack { grid-template-columns: 1fr 1fr; }
  .rii-book-part > header { grid-template-columns: 48px 1fr; padding: 26px 22px; }
  .rii-book-part > header > span { font-size: 30px; }
  .rii-book-part ol { grid-template-columns: 1fr; }
  .rii-book-part li { border-right: 0; }
  .rii-reading-route-grid article { min-height: 0; }
  .rii-native-functions { grid-template-columns: 1fr; }
  .rii-native-functions span:last-child { grid-column: 1; }
  .rii-native-selection > div,
  .rii-native-selection > div:nth-child(n) { width: 100%; }
  .rii-book-vector { padding: 12px; }
  .rii-contents-map__desktop { display: none !important; }
  .rii-contents-map__mobile { display: block !important; }
  .rii-book-vector figcaption,
  .rii-contents-map figcaption { font-size: 13px; }
  .rii-footer__primary,
  .rii-footer__secondary { align-items: flex-start !important; }
}

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

@media print {
  .rii-header,
  .rii-footer { display: none; }
  .rii-page-hero,
  .rii-home-hero,
  .rii-home-method { background: #fff !important; color: #111 !important; }
  .rii-page-hero h1,
  .rii-home-hero h1,
  .rii-home-method h2 { color: var(--petrol) !important; }
  .rii-page-section { padding-block: 36px; }
}

/* 1.0 editorial and materials release */
.rii-home-hero__summary {
  margin-top: 25px;
  color: rgb(255 255 255 / 78%);
  font-size: clamp(17px, 1.45vw, 21px);
  font-weight: 470;
  letter-spacing: -.012em;
  line-height: 1.55;
}
.rii-section-intro--compact { grid-template-columns: minmax(0, 900px); }
.rii-section-intro--compact > div { grid-column: 1; }
.rii-library-grid--materials { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.rii-download-list--five { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.rii-download-list--five .rii-download-card { grid-column: span 2; }
.rii-download-list--five .rii-download-card:nth-child(n + 4) { grid-column: span 3; }
.rii-download-card__action {
  width: 100%;
  padding: 16px 0 7px;
  border: 0;
  border-bottom: 1px solid var(--petrol);
  border-radius: 0;
  background: transparent;
  color: var(--petrol);
  cursor: pointer;
  font: 680 15px/1.35 var(--sans);
  text-align: left;
}
.rii-download-card__action:hover {
  border-color: var(--orange);
  color: var(--petrol);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.rii-pdf-lightbox {
  width: min(96vw, 1640px);
  max-width: none;
  height: 94vh;
  max-height: none;
  padding: 0;
  border: 1px solid rgb(255 255 255 / 18%);
  background: var(--petrol-deep);
  color: var(--white);
  box-shadow: 0 34px 100px rgb(0 18 28 / 58%);
}
.rii-pdf-lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr); overflow: hidden; }
.rii-pdf-lightbox::backdrop { background: rgb(0 18 28 / 84%); }
.rii-pdf-lightbox__bar {
  display: flex;
  min-height: 66px;
  gap: 24px;
  padding: 12px 16px 12px 24px;
  border-bottom: 1px solid var(--line-dark);
  align-items: center;
  justify-content: space-between;
}
.rii-pdf-lightbox__bar p { margin: 0; font-size: 16px; font-weight: 650; }
.rii-pdf-lightbox__bar div { display: flex; gap: 10px; }
.rii-pdf-lightbox__bar a,
.rii-pdf-lightbox__bar button {
  padding: 10px 14px;
  border: 1px solid var(--orange);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font: 700 14px/1 var(--sans);
  text-decoration: none;
}
.rii-pdf-lightbox__bar button { background: var(--orange); color: var(--petrol); }
.rii-pdf-lightbox iframe { width: 100%; height: 100%; border: 0; background: var(--paper-cool); }

.rii-vector-lightbox { width: min(99vw, 1900px); height: 97vh; }

.rii-author-section { padding-top: clamp(80px, 8vw, 120px); }
.rii-author-section .rii-author-profile__copy h1 {
  max-width: 700px;
  margin: 0 0 30px;
  color: var(--white);
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 560;
  letter-spacing: -.05em;
  line-height: 1;
}
.rii-author-section .rii-author-profile__copy > p:not(.rii-label) { color: rgb(255 255 255 / 72%); }
.rii-author-section .rii-label { color: var(--white); }
.rii-author-profile__portrait img { border: 4px solid var(--orange); }
.rii-logo-stack--mono img {
  height: 68px;
  padding: 12px 16px;
  border-color: rgb(255 255 255 / 16%);
  background: transparent;
  filter: none;
  opacity: .78;
}
.rii-logo-stack--mono img[alt="ProductCortex AI"] { background: transparent; }

.rii-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.rii-contact-form input[type="tel"] {
  width: 100%;
  min-height: 54px;
  padding: 14px 16px;
  border: 1px solid rgb(0 53 77 / 28%);
  border-radius: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--sans);
}
.rii-contact-form input[type="tel"]:focus { border-color: var(--orange); outline: 3px solid rgb(234 94 2 / 18%); outline-offset: 0; }
.rii-form-email { margin: 22px 0 0; color: var(--muted); font-size: 15px; line-height: 1.5; }
.rii-form-email a { color: var(--petrol); font-weight: 700; text-decoration-thickness: 1px; }
.rii-contact-aside { top: 116px; }
.rii-contact-qr { background: var(--paper); }

@media (max-width: 900px) {
  .rii-download-list--five { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rii-download-list--five .rii-download-card,
  .rii-download-list--five .rii-download-card:nth-child(n + 4) { grid-column: span 1; }
  .rii-download-list--five .rii-download-card:last-child { grid-column: 1 / -1; }
  .rii-library-grid--materials { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  .rii-form-grid { grid-template-columns: 1fr; }
  .rii-author-section .rii-author-profile { grid-template-columns: 160px minmax(0, 1fr); }
  .rii-author-section .rii-author-profile__logos { grid-column: 1 / -1; }
  .rii-pdf-lightbox { width: 100vw; height: 100vh; }
  .rii-pdf-lightbox__bar { align-items: flex-start; }
  .rii-pdf-lightbox__bar p { max-width: 46%; }
}

@media (max-width: 520px) {
  .rii-download-list--five { grid-template-columns: 1fr; }
  .rii-download-list--five .rii-download-card:last-child { grid-column: 1; }
  .rii-author-section .rii-author-profile { grid-template-columns: 1fr; }
  .rii-pdf-lightbox__bar p { display: none; }
  .rii-pdf-lightbox__bar { justify-content: flex-end; }
  .rii-vector-lightbox__viewport img { width: 1100px; max-width: none; flex: 0 0 1100px; }
}

/* 1.0.4 — vertical materials library and editorial spacing corrections */
.rii-materials-hero {
  padding: clamp(86px, 9vw, 132px) var(--gutter) clamp(74px, 8vw, 112px);
  background: var(--petrol-deep);
  color: var(--white);
}
.rii-materials-hero h1 {
  max-width: 1040px;
  margin: 0;
  color: var(--white);
  font-size: clamp(48px, 6.5vw, 88px);
  font-weight: 610;
  letter-spacing: -.055em;
  line-height: .98;
}
.rii-materials-section { padding-block: clamp(54px, 7vw, 92px); }
.rii-download-list,
.rii-download-list--five {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 0;
  border: 0;
}
.rii-download-list--five .rii-download-card,
.rii-download-list--five .rii-download-card:nth-child(n + 4),
.rii-download-list--five .rii-download-card:last-child { grid-column: 1; }
.rii-download-card {
  display: block;
  min-height: 0;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
}
.rii-download-card:first-child { border-top: 1px solid var(--line); }
.rii-download-card__trigger {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(340px, .82fr) minmax(0, 1.18fr);
  gap: clamp(34px, 5vw, 78px);
  padding: clamp(32px, 4vw, 54px) 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  text-align: left;
  align-items: center;
}
.rii-download-card__trigger:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 7px;
}
.rii-download-card__preview {
  height: auto;
  aspect-ratio: 16 / 9;
  margin: 0;
  border: 1px solid rgb(0 53 77 / 18%);
  background: var(--petrol);
  box-shadow: 0 18px 44px rgb(0 53 77 / 13%);
  transition: transform 180ms ease, box-shadow 180ms ease;
}
.rii-download-card__body { display: grid; justify-items: start; }
.rii-download-card__meta {
  display: block;
  margin: 0 0 18px;
  padding-left: 12px;
  border-left: 4px solid var(--orange);
  color: var(--petrol);
  font-size: 14px;
  font-weight: 720;
  letter-spacing: .01em;
}
.rii-download-card__title {
  max-width: 720px;
  color: var(--petrol);
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 610;
  letter-spacing: -.045em;
  line-height: 1.05;
}
.rii-download-card__text {
  max-width: 62ch;
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}
.rii-download-card__action {
  width: auto;
  margin-top: 30px;
  padding: 0 0 6px;
  border: 0;
  border-bottom: 2px solid var(--orange);
  color: var(--petrol);
  font-size: 15px;
  font-weight: 720;
}
.rii-download-card__trigger:hover .rii-download-card__preview {
  transform: translateY(-3px);
  box-shadow: 0 24px 54px rgb(0 53 77 / 18%);
}
.rii-download-card__trigger:hover .rii-download-card__action { color: var(--orange); }

.rii-book-ideas-section { border: 0; }
.rii-book-ideas-section { padding-top: clamp(44px, 5vw, 66px); }
.rii-book-ideas-section > .rii-page-section__inner { border: 0; }
.rii-book-ideas-section .rii-idea-cases { margin-top: 0; border-top: 0; }

.rii-vector-lightbox__viewport {
  overflow: hidden;
  align-items: center;
  cursor: zoom-out;
}
.rii-vector-lightbox__viewport img {
  width: auto;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  flex: 0 1 auto;
  object-fit: contain;
}

.rii-book-ideas__next {
  display: flex;
  justify-content: flex-end;
  margin-top: 0;
  padding-top: clamp(28px, 4vw, 52px);
}
.rii-book-ideas__next .rii-text-link {
  margin-top: 0;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
}

.rii-book-contents { padding-bottom: clamp(24px, 3vw, 38px); }
.rii-book-contents .rii-section-intro {
  padding-bottom: 0;
  border-bottom: 0;
}
.rii-book-contents .rii-contents-map { margin-top: clamp(30px, 4vw, 48px); }
.rii-book-contents .rii-note {
  width: 100%;
  max-width: none;
  margin-top: 30px;
}
.rii-book-contents + .rii-home-intro { padding-top: clamp(28px, 4vw, 44px); }

.rii-author-profile__portrait-column { min-width: 0; }
.rii-author-linkedin { display: inline-block; margin-top: 20px; }
.rii-author-profile__logos { align-self: center; }
.rii-logo-stack--mono { gap: 22px; }
.rii-logo-stack--mono { justify-items: start; }
.rii-logo-stack--mono img {
  width: 100%;
  height: 58px;
  padding: 0;
  border: 0;
  background: transparent;
  object-position: left center;
  opacity: .84;
}

.rii-author-section { padding-bottom: clamp(24px, 2.4vw, 34px); }
#contact-form { padding-top: clamp(30px, 3vw, 42px); }
.rii-footer .rii-footer__inner {
  width: min(100%, var(--wide));
  max-width: var(--wide) !important;
}

@media (max-width: 900px) {
  .rii-download-card__trigger { grid-template-columns: 1fr; gap: 28px; }
  .rii-download-card__preview { max-width: 720px; }
}

@media (max-width: 780px) {
  .rii-author-section .rii-author-profile { grid-template-columns: 160px minmax(0, 1fr); }
  .rii-author-profile__portrait-column { grid-column: 1; }
  .rii-author-section .rii-author-profile__logos { grid-column: 1 / -1; }
  .rii-logo-stack--mono { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 520px) {
  .rii-materials-hero h1 { font-size: 43px; }
  .rii-download-card__trigger { padding-block: 30px; }
  .rii-download-card__title { font-size: 30px; }
  .rii-author-section .rii-author-profile { grid-template-columns: 1fr; }
  .rii-author-profile__portrait-column { max-width: 260px; }
  .rii-author-section .rii-author-profile__copy,
  .rii-author-section .rii-author-profile__logos { grid-column: 1; }
  .rii-vector-lightbox__viewport { justify-content: center; }
  .rii-vector-lightbox__viewport img {
    width: auto;
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    flex: 0 1 auto;
  }
}