/* Responsive V1 stabilisation
   Loaded after the preserved V8 desktop stylesheet.
   Scope: coherent tablet layouts, robust mobile flow, and accessible navigation. */

/* Shared safety rails: allow grid/flex descendants to shrink without forcing
   the document wider than the viewport. */
.header-inner > *,
.hero-below > *,
.list-section-opening > *,
.insight-topline > *,
.insight-pivot-row > *,
.working-comparison > *,
.about-layout > *,
.attachment-theory-split > *,
.contact-layout > *,
.programmes-layout > * {
  min-width: 0;
}

.nav-toggle {
  display: none;
  appearance: none;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  font: 500 12px/1 var(--font-body);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle:focus-visible,
.site-nav a:focus-visible,
.button:focus-visible,
.faq-item summary:focus-visible,
.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
  outline: 2px solid var(--moss);
  outline-offset: 3px;
}

section[id] {
  scroll-margin-top: 96px;
}

/* The V8 absolute-positioned Outdated Patterns figure spills roughly 5px past
   the viewport around 1200px. Contain only that narrow desktop edge case. */
@media (min-width: 1181px) and (max-width: 1280px) {
  #permanent .permanent-figure {
    right: 0;
  }
}

/* Tablet: restore useful width lost by the legacy 820px cap and keep the
   strongest side-by-side compositions where their columns remain readable. */
@media (min-width: 821px) and (max-width: 1100px) {
  :root {
    --wrap: min(calc(100vw - 64px), 1040px);
    --section-pad: clamp(76px, 8vw, 92px);
  }

  .hero-below {
    grid-template-columns: minmax(260px, 340px) minmax(0, 1fr);
    gap: clamp(42px, 5vw, 58px);
    justify-items: initial;
  }

  .portrait-figure {
    width: 100%;
    max-width: 340px;
  }

  .patterns-opening {
    grid-template-columns: minmax(0, 1.45fr) minmax(230px, .8fr);
    gap: clamp(30px, 4vw, 48px);
  }

  .patterns-figure {
    width: min(100%, 360px);
  }

  .problem-opening {
    grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 58px);
  }

  .problem-figure {
    width: min(100%, 330px);
  }

  .insight-topline {
    grid-template-columns: minmax(0, 1.25fr) minmax(270px, .75fr);
    gap: clamp(38px, 5vw, 58px);
  }

  .insight-desk-figure {
    width: min(100%, 390px);
  }

  .about-layout {
    grid-template-columns: minmax(250px, 340px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 54px);
  }

  .about-avatar {
    width: 100%;
  }

}

/* Narrow tablet and mobile: deliberately simplify composed desktop layouts. */
@media (max-width: 820px) {
  :root {
    --wrap: calc(100vw - 40px);
    --section-pad: 68px;
  }

  .hero-below,
  .patterns-opening,
  .problem-opening,
  .insight-topline,
  .insight-pivot-row,
  .working-comparison,
  .about-layout,
  .attachment-theory-split,
  .contact-layout,
  .programmes-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-below {
    gap: 38px;
  }

  .portrait-figure {
    width: min(100%, 360px);
    justify-self: center;
  }

  .list-section-opening {
    gap: 34px;
  }

  .patterns-figure,
  .problem-figure {
    width: min(82vw, 360px);
    max-width: 100%;
    justify-self: center;
    margin: 0;
  }

  .problem-opening .problem-figure {
    order: 2;
  }

  .problem-opening .opening-copy {
    order: 1;
  }

  .editorial-two-column-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .insight-desk-figure,
  .insight-hand-figure {
    max-width: 100%;
    justify-self: center;
  }

  .permanent-composition,
  .permanent-v6 .permanent-composition {
    grid-template-columns: minmax(0, 1fr);
  }

  .permanent-figure,
  .permanent-v6 .permanent-figure {
    width: min(100%, 520px) !important;
    max-width: 100%;
  }

  .about-avatar {
    width: min(78vw, 350px);
    max-width: 100%;
  }

  .attachment-map-figure,
  .attachment-map {
    max-width: 100%;
  }

  .footer-inner {
    display: block;
  }

  .footer-nav {
    justify-content: flex-start;
    text-align: left;
    margin-top: 24px;
  }
}

/* Mobile navigation. With JavaScript unavailable, the links remain visible in
   a simple two-column grid; the script enhances this into a compact disclosure. */
@media (max-width: 620px) {
  :root {
    --wrap: calc(100vw - 32px);
    --section-pad: 58px;
  }

  html,
  body {
    max-width: 100%;
    overflow-x: clip;
  }

  body {
    font-size: 17px;
    line-height: 1.68;
  }

  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px 18px;
    align-items: center;
    padding-block: 14px;
  }

  .brand {
    grid-column: 1;
  }

  .responsive-nav .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    align-items: center;
    justify-content: center;
  }

  section[id] {
    scroll-margin-top: 78px;
  }

  .site-nav {
    grid-column: 1 / -1;
    width: 100%;
    max-width: none;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    gap: 0;
    padding-top: 4px;
    border-top: 1px solid var(--rule);
    font-size: 13px;
  }

  .responsive-nav .site-nav:not(.is-open) {
    display: none;
  }

  .site-nav > a,
  .site-nav > .nav-dropdown {
    display: block;
    padding: 11px 8px 10px 0;
  }

  .site-nav .nav-parent {
    display: block;
  }

  .nav-menu,
  .nav-dropdown::before,
  .nav-parent::after {
    display: none;
  }

  .section,
  .list-composed,
  .insight-v4,
  .permanent-v5,
  .working-v7,
  .who-v8,
  .closing-v8,
  .page-section {
    padding-block: 56px 64px;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-wrap {
    gap: 42px;
  }

  h1,
  .page-copy h1,
  .simple-page-title {
    max-width: 100%;
    font-size: clamp(36px, 11.5vw, 48px);
    line-height: 1.08;
    letter-spacing: -.035em;
    overflow-wrap: anywhere;
  }

  h2,
  .programme-panel h2 {
    max-width: 100%;
    font-size: clamp(31px, 9.4vw, 42px);
    line-height: 1.1;
    overflow-wrap: anywhere;
  }

  h3,
  .problem-examples h3 {
    font-size: clamp(25px, 7.5vw, 32px);
  }

  .copy,
  .opening-copy,
  .list-lead,
  .list-closing-copy,
  .insight-intro-copy,
  .insight-pivot-copy,
  .insight-close-copy,
  .permanent-intro-copy,
  .permanent-close-copy,
  .who-copy,
  .page-copy {
    max-width: 100%;
    font-size: 17px;
    line-height: 1.66;
  }

  .hero-title-block {
    text-align: center;
  }

  .hero-title-block h1 span {
    overflow-wrap: normal;
  }

  .portrait-figure,
  .portrait-figure img {
    width: 100%;
  }

  .list-field {
    margin-top: 42px;
    padding-block: 28px;
  }

  .editorial-two-column-list li,
  .quiet-list li {
    font-size: 16.5px;
    line-height: 1.58;
  }

  .patterns-closing,
  .problem-coda {
    margin-top: 44px;
  }

  .patterns-closing blockquote {
    max-width: 100%;
  }

  .insight-pivot-row {
    margin-top: 40px;
  }

  .insight-close-copy {
    margin-top: 42px;
  }

  .permanent-v5 .pull-line,
  .permanent-v53 .pull-line,
  .insight-v4 .emphasis-line {
    font-size: clamp(25px, 7.8vw, 32px);
  }

  .permanent-composition,
  .permanent-v6 .permanent-composition {
    gap: 28px;
  }

  .working-option,
  .programme-panel,
  .process-step,
  .intervention-block {
    min-width: 0;
  }

  .who-page-links {
    display: grid;
    gap: 16px;
  }

  .method-figures {
    width: auto;
    margin-inline: calc(50% - 50vw);
    padding-block: 42px;
  }

  .method-figures-inner {
    width: calc(100vw - 32px);
  }

  .attachment-theory-split {
    gap: 34px;
    margin-block: 36px 48px;
  }

  .attachment-map {
    width: min(100%, 420px);
  }

  .map-axis-label {
    font-size: clamp(10px, 3.35vw, 13px);
  }

  .map-style-label {
    font-size: clamp(10.5px, 3.5vw, 14px);
  }

  .contact-form {
    width: 100%;
    min-width: 0;
    padding: 20px;
  }

  .contact-form input,
  .contact-form textarea {
    min-width: 0;
  }

  .faq-item summary {
    padding-right: 34px;
    font-size: 19px;
  }

  .button {
    max-width: 100%;
    min-height: 48px;
    padding-inline: 20px;
    text-align: center;
  }

  .footer-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
  }
}

/* Small-phone tightening: preserve readable type while avoiding the last few
   forced wraps at 320px. */
@media (max-width: 360px) {
  :root {
    --wrap: calc(100vw - 28px);
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-role {
    font-size: 10px;
  }

  .nav-toggle {
    padding-inline: 11px;
  }

  h1,
  .page-copy h1,
  .simple-page-title {
    font-size: clamp(34px, 11vw, 40px);
  }

  h2,
  .programme-panel h2 {
    font-size: clamp(29px, 9.2vw, 34px);
  }

  .contact-form {
    padding: 16px;
  }
}

/* V1.1 responsive art direction ----------------------------------------- */
@media (min-width: 961px) {
  .insight-pivot-row {
    grid-template-columns: minmax(240px, 360px) minmax(0, 565px);
    gap: clamp(54px, 7vw, 96px);
  }

  .insight-hand-figure {
    grid-column: 1;
    grid-row: 1;
  }

  .insight-pivot-copy {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 1180px) {
  #permanent .permanent-intro-copy {
    order: 1;
  }

  #permanent .permanent-pivot-copy {
    order: 2;
  }

  #permanent .permanent-close-copy {
    order: 3;
  }

  #permanent .permanent-figure {
    position: relative !important;
    inset: auto !important;
    order: 4;
    justify-self: center;
    margin: 4px auto;
  }

  #permanent .permanent-final-copy {
    order: 5;
    max-width: 820px;
    margin-top: 0;
  }
}

@media (max-width: 820px) {
  .about-layout-intro {
    grid-template-areas:
      "title"
      "avatar"
      "copy";
    gap: 28px;
  }

  .about-layout-intro > h1 {
    margin-bottom: 0;
  }

  .about-layout-intro > .about-avatar {
    margin: 0;
  }

  .insight-pivot-copy,
  .insight-hand-figure {
    grid-column: 1;
    grid-row: auto;
  }

  .insight-hand-figure {
    margin-top: 8px;
  }

  .permanent-final-copy br {
    display: none;
  }

  .process-diagram-grid {
    grid-template-columns: minmax(0, 1fr);
    width: min(100%, 600px);
    margin-inline: auto;
    gap: 44px;
  }

  .process-svg-figure h3 {
    font-size: clamp(25px, 4.5vw, 30px);
  }

}

@media (max-width: 620px) {
  .process-editorial .short-version {
    padding-left: 20px;
  }

  .process-svg-frame {
    padding: 8px;
  }

  .has-diagram-dialog .diagram-view-actions {
    display: block;
  }

  .diagram-dialog {
    width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    border: 0;
  }

  .diagram-dialog-header {
    align-items: flex-start;
    padding: 14px 16px;
  }

  .diagram-dialog-header h2 {
    font-size: clamp(23px, 7.2vw, 30px);
  }

  .diagram-dialog-viewport {
    padding: 18px 16px 28px;
  }

  .diagram-dialog-canvas {
    min-width: 1090px;
  }

  .contact-route-link,
  .contact-route-pending-label {
    max-width: 100%;
    font-size: clamp(21px, 7vw, 29px);
    overflow-wrap: anywhere;
  }
}

/* V1.2 responsive polish ------------------------------------------------ */
@media (min-width: 821px) {
  .about-layout-intro {
    grid-template-columns: minmax(250px, 360px) minmax(0, 700px);
    grid-template-areas:
      "title title"
      "avatar copy";
    column-gap: clamp(42px, 6vw, 76px);
    row-gap: clamp(26px, 3vw, 38px);
    align-items: start;
  }

  .about-layout-intro > h1 {
    margin: 0;
  }

  .about-layout-intro > .about-avatar {
    width: min(100%, 360px);
    margin: 0;
    justify-self: start;
  }

  .about-layout-intro > .about-opening-copy {
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .ways-programmes-section .programmes-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(34px, 4.8vw, 70px);
  }

  .ways-programmes-section .programme-panel {
    margin-top: 0;
  }

  .problem-examples-enhanced .problem-examples-modal-trigger {
    display: block;
  }

  .problem-examples-enhanced .problem-examples-inline {
    display: none;
  }
}

@media (max-width: 620px) {
  .hero-title-block h1 {
    font-size: clamp(36px, 10.25vw, 43px);
    text-wrap: balance;
  }

  #permanent .permanent-figure {
    overflow: hidden;
  }

  #permanent .permanent-figure img {
    transform: scale(1.38);
    transform-origin: 50% 50%;
  }

}

@media (max-width: 360px) {
  .hero-title-block h1 {
    font-size: clamp(34px, 10.25vw, 38px);
  }
}

/* V1 final pre-beta responsive refinements ----------------------------- */
@media (min-width: 821px) {
  .about-layout-intro {
    grid-template-areas:
      ". title"
      "avatar copy";
    row-gap: clamp(16px, 2vw, 26px);
  }

  .about-layout-intro > h1 {
    margin: 0;
  }
}

@media (min-width: 821px) and (max-width: 1180px) {
  #permanent .permanent-figure {
    width: min(88vw, 820px) !important;
    overflow: visible;
  }

  #permanent .permanent-figure img {
    position: relative;
    left: 50%;
    width: min(124%, calc(2825px - 175vw), calc(100vw - 48px));
    max-width: none;
    height: auto;
    margin-inline: 0;
    transform: translateX(-50%);
  }
}

@media (min-width: 621px) and (max-width: 820px) {
  .about-layout-intro {
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
    grid-template-areas:
      ". title"
      "avatar copy";
    column-gap: clamp(28px, 5vw, 42px);
    row-gap: 16px;
  }

  .about-layout-intro > h1 {
    margin: 0;
  }

  .about-layout-intro > .about-avatar {
    width: min(100%, 280px);
  }

  #permanent .permanent-figure {
    width: min(92vw, 680px) !important;
    overflow: visible;
  }

  #permanent .permanent-figure img {
    position: relative;
    left: 50%;
    width: min(136%, calc(100vw - 40px));
    max-width: none;
    height: auto;
    margin-inline: 0;
    transform: translateX(-50%);
  }
}

@media (max-width: 820px) {
  .patterns-composed .editorial-two-column-list,
  .problem-composed .editorial-two-column-list {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
    grid-auto-flow: row;
  }

  .patterns-composed .patterns-list-field,
  .problem-composed .problem-list-field {
    padding: 28px clamp(20px, 4.8vw, 32px);
  }
}

@media (max-width: 620px) {
  #permanent .permanent-figure {
    overflow: hidden;
  }

  #permanent .permanent-figure img {
    width: 138%;
    max-width: none;
    height: auto;
    margin-inline: -19%;
    transform: none;
  }

  .ways-programmes-section .programme-panel {
    padding: 28px 22px;
  }

  .problem-examples-inline summary {
    padding-right: 36px;
    font-size: clamp(21px, 6.4vw, 26px);
  }

  .problem-examples-inline-slot {
    margin-top: 20px;
    padding-top: 24px;
  }
}

/* Targeted correction: "Outdated patterns" illustration placement.
   The artwork is offset inside its transparent PNG canvas, so centring the
   canvas left the visible drawing too far to the right. On single-column
   layouts, compensate for that internal offset while clipping only the empty
   canvas edges. Tablet landscape returns to a compact right-hand column. */
@media (max-width: 1180px) {
  #permanent .permanent-figure {
    overflow: hidden;
  }

  #permanent .permanent-figure img {
    position: relative;
    left: 50%;
    margin-inline: 0;
    transform: translateX(-55.08%);
  }
}

@media (min-width: 900px) and (max-width: 1180px) and (orientation: landscape) {
  #permanent .permanent-composition {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(330px, 0.72fr);
    grid-template-rows: repeat(4, auto);
    column-gap: clamp(36px, 4.8vw, 58px);
    row-gap: 0;
    align-items: start;
  }

  #permanent .permanent-intro-copy {
    grid-column: 1;
    grid-row: 1;
    order: 0;
    max-width: none;
    padding-top: 0;
  }

  #permanent .permanent-pivot-copy {
    grid-column: 1;
    grid-row: 2;
    order: 0;
    max-width: none;
    margin: clamp(42px, 4.8vw, 58px) 0 0;
  }

  #permanent .permanent-close-copy {
    grid-column: 1;
    grid-row: 3;
    order: 0;
    max-width: none;
    margin: clamp(30px, 3.5vw, 42px) 0 0;
  }

  #permanent .permanent-final-copy {
    grid-column: 1;
    grid-row: 4;
    order: 0;
    max-width: none;
    margin: clamp(24px, 2.8vw, 34px) 0 0;
  }

  #permanent .permanent-figure {
    grid-column: 2;
    grid-row: 1 / 5;
    order: 0;
    position: static !important;
    inset: auto !important;
    width: min(150%, 620px) !important;
    justify-self: end;
    align-self: center;
    overflow: visible;
    margin: 0;
  }

  #permanent .permanent-figure img {
    position: static;
    left: auto;
    width: 100%;
    max-width: 100%;
    margin: 0;
    transform: none;
  }
}