/* ============================================================
   RESET & BASE
   ============================================================ */

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

:root {
  --font-heading: "EB Garamond", serif;
  --font-body: "Inter", sans-serif;
  --slide-pad-x: 72px;
  --slide-pad-y: 40px;
}

html,
body {
  background: var(--slate-900);
  font-family: var(--font-body);
  font-size: 16px;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings:
    "kern" 1,
    "liga" 1,
    "calt" 1;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding: 0;
  background: var(--slate-900);
}

@media (min-width: 768px) {
  main {
    gap: 20px;
    padding: 40px 24px;
  }
}

/* ============================================================
   SLIDE SHELL  — mobile: natural block / desktop: A4 landscape
   ============================================================ */

.slide {
  position: relative;
  width: 100%;
  height: auto;
  display: flex;
  flex-direction: column;
  container-type: inline-size;
}

@media (min-width: 768px) {
  .slide {
    width: min(1123px, 100%);
    min-height: 794px;
    border-radius: 0;
  }
}

.slide--dark {
  background: var(--teal-primary);
  color: var(--teal-50);
  padding: 40px 24px 36px;
  min-height: unset;
}

@media (min-width: 768px) {
  .slide--dark {
    padding: 0;
    min-height: 794px;
    overflow: hidden;
  }
}

.slide--light {
  background: var(--bg-100);
  color: var(--slate-900);
  padding: 0 0 16px;
}

@media (min-width: 768px) {
  .slide--light {
    padding: var(--slide-pad-y) 0;
  }
}

/* Shared inner layout wrapper */
.slide-layout {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin: 12px 16px 0;
  background: var(--slate-200);
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  overflow: hidden;
  min-height: 0;
  width: auto;
}

.slide-layout--no-border {
  background: transparent;
  border: none;
  gap: 16px;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .slide-layout {
    display: grid;
    grid-template-columns: 26% 1fr;
    grid-template-rows: 1fr;
    align-items: stretch;
    gap: 1px;
    background: var(--slate-200);
    margin: 0 var(--slide-pad-x);
    border: 1px solid var(--slate-200);
    border-radius: 6px;
    width: calc(100% - calc(var(--slide-pad-x) * 2));
  }

  .slide-layout--3col {
    grid-template-columns: 26% 1fr 1fr;
  }

  .slide-layout--equal {
    grid-template-columns: 1fr 2fr;
  }

  .slide-layout--no-border {
    background: transparent;
    border: none;
    gap: clamp(16px, 2.5cqi, 32px);
    justify-content: unset;
  }
}

/* ============================================================
   SLIDE CHROME
   ============================================================ */

.slide__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 16px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: oklch(from var(--teal-300) l c h / 0.7);
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .slide__chrome {
    padding: var(--slide-pad-y) var(--slide-pad-x) 0;
    font-size: clamp(9px, 0.85cqi, 12px);
  }
}

.slide__section-num {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: oklch(from var(--teal-secondary) l c h / 0.28);
  font-family: var(--font-body);
}

@media (min-width: 768px) {
  .slide__section-num {
    font-size: clamp(48px, 8cqi, 108px);
  }
}

/* ============================================================
   DIVIDER SLIDE BODY
   ============================================================ */

.slide__body {
  flex: 1;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 0;
  padding: 0;
  position: relative;
}

@media (min-width: 768px) {
  .slide__body {
    align-items: flex-end;
    flex-direction: row;
    justify-content: space-between;
    padding: 0 var(--slide-pad-x) 0;
  }
}

.slide__title-block {
  padding-bottom: 0;
  z-index: 2;
  position: relative;
}

@media (min-width: 768px) {
  .slide__title-block {
    padding-bottom: clamp(32px, 6cqi, 72px);
  }
}

.slide__title {
  font-family: var(--font-body);
  font-size: 44px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--white);
  display: block;
}

@media (min-width: 768px) {
  .slide__title {
    font-size: clamp(36px, 6.2cqi, 88px);
  }
}

.slide__title--muted {
  color: oklch(from var(--teal-300) l c h / 0.5);
}

.slide__motif {
  display: none;
}

@media (min-width: 768px) {
  .slide__motif {
    display: block;
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    width: clamp(220px, 36%, 480px);
    opacity: 0.2;
    color: var(--teal-200);
    pointer-events: none;
  }
}

.slide__motif svg {
  width: 100%;
  height: auto;
}

.slide__motif svg rect {
  stroke-width: 1;
}

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

.slide__footer {
  padding: 24px 0 0;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: oklch(from var(--teal-300) l c h / 0.55);
  position: relative;
  z-index: 2;
}

@media (min-width: 768px) {
  .slide__footer {
    padding: 0 var(--slide-pad-x) clamp(20px, 3cqi, 36px);
    font-size: clamp(9px, 0.85cqi, 12px);
  }
}

/* ============================================================
   OVERVIEW SLIDE
   ============================================================ */

.overview-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 24px 20px;
  min-height: 0;
  overflow: hidden;
}

@media (min-width: 768px) {
  .overview-copy {
    gap: clamp(12px, 1.5cqi, 20px);
    padding: 0;
  }
}

.overview-eyebrow {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate-500);
}

@media (min-width: 768px) {
  .overview-eyebrow {
    font-size: clamp(9px, 0.85cqi, 12px);
  }
}

.overview-heading {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 40px;
  line-height: 1.05;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .overview-heading {
    font-size: clamp(36px, 5.5cqi, 72px);
  }
}

.overview-body {
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-600);
  max-width: 52ch;
}

@media (min-width: 768px) {
  .overview-body {
    font-size: clamp(11px, 1.1cqi, 14px);
  }
}

.overview-pillars {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--slate-100);
}

@media (min-width: 768px) {
  .overview-pillars {
    padding-top: clamp(12px, 1.5cqi, 20px);
  }
}

.overview-pillars li {
  font-size: 13px;
  color: var(--slate-600);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .overview-pillars li {
    font-size: clamp(10px, 1cqi, 13px);
  }
}

.overview-pillar-label {
  font-weight: 600;
  color: var(--teal-primary);
  margin-right: 4px;
}

/* Image grid */

.overview-images {
  display: grid;
  grid-template-columns: 3fr 2fr;
  grid-template-rows: 3fr 2fr;
  gap: 8px;
  padding: 0 20px 20px;
  flex: 1;
  min-height: 0;
  aspect-ratio: 1;
  overflow: hidden;
}

@media (min-width: 768px) {
  .overview-images {
    gap: clamp(6px, 0.8cqi, 12px);
    padding: 0;
    flex: unset;
    aspect-ratio: unset;
  }
}

.overview-img {
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  min-height: 0;
}

.overview-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.overview-img span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.4;
}

@media (min-width: 768px) {
  .overview-img span {
    font-size: clamp(9px, 0.8cqi, 11px);
  }
}

.overview-img--large {
  grid-column: 1 / 3;
  grid-row: 1 / 2;
}

.overview-img--small {
  grid-row: 2 / 3;
}

.overview-img--placeholder {
  background: var(--slate-100);
  color: var(--slate-600);
}

.overview-img--teal {
  background: var(--teal-primary);
  color: var(--teal-50);
}

.overview-img--gold {
  background: var(--gold-base);
  color: var(--slate-dark);
}

/* ============================================================
   INFO PANEL (shared left column)
   ============================================================ */

.info-panel {
  background: var(--bg-100);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  filter: blur(0);
}

@media (min-width: 768px) {
  .info-panel {
    padding: clamp(16px, 2.5cqi, 32px) clamp(14px, 2cqi, 28px);
    gap: 4px;
  }

  .slide-layout .info-panel {
    align-self: stretch;
    justify-content: space-between;
  }
}

.elements-eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-500);
}

@media (min-width: 768px) {
  .elements-eyebrow {
    font-size: clamp(8px, 0.85cqi, 11px);
  }
}

.info-panel__heading {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 36px;
  margin: 0;
  line-height: 1.05;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .info-panel__heading {
    font-size: clamp(28px, 4cqi, 56px);
  }
}

.info-panel__body {
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-600);
  flex: 1;
}

@media (min-width: 768px) {
  .info-panel__body {
    font-size: clamp(9px, 1cqi, 13px);
  }
}

.info-panel__body + .info-panel__body {
  flex: 0;
}

.info-panel__footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--slate-200);
  font-size: 10px;
  color: var(--slate-400);
  line-height: 1.5;
}

@media (min-width: 768px) {
  .info-panel__footer {
    padding-top: clamp(10px, 1.2cqi, 16px);
    font-size: clamp(8px, 0.8cqi, 10px);
  }
}

/* ============================================================
   SPECIMEN PANELS
   ============================================================ */

.specimen {
  background: var(--white);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
  filter: blur(0);
}

@media (min-width: 768px) {
  .specimen {
    padding: clamp(16px, 2.5cqi, 32px) clamp(14px, 2cqi, 28px);
    gap: 12px;
  }
}

.specimen__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.specimen__tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--teal-primary);
  color: var(--white);
  padding: 3px 8px;
  border-radius: 3px;
  line-height: 1.6;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .specimen__tag {
    font-size: clamp(8px, 0.8cqi, 10px);
  }
}

.specimen--sans .specimen__tag {
  background: var(--gold-base);
  color: var(--slate-900);
}

.specimen__name-block {
  text-align: right;
}

.specimen__name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-900);
}

@media (min-width: 768px) {
  .specimen__name {
    font-size: clamp(10px, 1.1cqi, 14px);
  }
}

.specimen__meta {
  display: block;
  font-size: 10px;
  color: var(--slate-500);
}

@media (min-width: 768px) {
  .specimen__meta {
    font-size: clamp(8px, 0.75cqi, 10px);
  }
}

.specimen__glyph {
  font-size: 88px;
  line-height: 1;
  font-weight: 400;
  color: var(--slate-100);
  letter-spacing: -0.04em;
}

@media (min-width: 768px) {
  .specimen__glyph {
    font-size: clamp(48px, 8cqi, 104px);
  }
}

.specimen__glyph--serif {
  font-family: var(--font-heading);
  font-size: 100px;
  letter-spacing: 0;
  color: var(--teal-200);
}

@media (min-width: 768px) {
  .specimen__glyph--serif {
    font-size: clamp(62px, 10.5cqi, 132px);
  }
}

.specimen__glyph--sans {
  font-family: var(--font-body);
}

.specimen__weights {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--slate-100);
  padding-top: 10px;
  margin-top: auto;
}

.specimen__weight-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.specimen__wt-label {
  font-size: 10px;
  font-weight: 500;
  color: var(--slate-500);
  letter-spacing: 0.04em;
  min-width: 100px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .specimen__wt-label {
    font-size: clamp(8px, 0.75cqi, 10px);
    min-width: 84px;
  }
}

.specimen__wt-sample {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--slate-dark);
  line-height: 1.4;
}

@media (min-width: 768px) {
  .specimen__wt-sample {
    font-size: clamp(10px, 1.1cqi, 14px);
  }
}

.specimen__wt-sample--serif {
  font-family: var(--font-heading);
  font-size: 16px;
}

@media (min-width: 768px) {
  .specimen__wt-sample--serif {
    font-size: clamp(13px, 1.5cqi, 18px);
  }
}

.specimen__alphabet {
  font-size: 11px;
  line-height: 1.7;
  color: var(--slate-300);
  word-break: break-all;
  font-family: var(--font-body);
  margin-top: auto;
}

@media (min-width: 768px) {
  .specimen__alphabet {
    font-size: clamp(8px, 0.85cqi, 11px);
  }
}

.specimen__alphabet--serif {
  font-family: var(--font-heading);
  font-size: 12px;
}

@media (min-width: 768px) {
  .specimen__alphabet--serif {
    font-size: clamp(10px, 1.05cqi, 14px);
  }
}

/* ============================================================
   PALETTE SLIDE
   ============================================================ */

.palette-swatches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 16px;
  min-height: 0;
  filter: blur(0);
  background: var(--white);
}

@media (min-width: 768px) {
  .palette-swatches {
    gap: clamp(4px, 0.5cqi, 8px);
    padding: clamp(16px, 2cqi, 24px);
  }
}

/* ============================================================
   COLOUR COLUMNS
   ============================================================ */

.colour-column {
  display: flex;
  flex-direction: column;
  gap: clamp(3px, 0.4cqi, 6px);
  min-height: 0;
}

.colour-column__primary {
  flex: 1;
  min-height: 120px;
}

@media (min-width: 768px) {
  .colour-column__primary {
    min-height: 0;
  }
}

.colour-column__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(3px, 0.4cqi, 6px);
}

.colour-step {
  aspect-ratio: 1;
  border-radius: 3px;
}

/* ============================================================
   COLOUR BLOCKS
   ============================================================ */

.colour-block {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(10px, 1.2cqi, 16px) clamp(8px, 1cqi, 14px);
  border-radius: 4px;
  min-height: 0;
}

.colour-block__name {
  font-size: clamp(9px, 0.9cqi, 12px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: oklch(from var(--white) l c h / 0.9);
  line-height: 1.3;
}

.colour-block__name--dark {
  color: var(--slate-dark);
}

.colour-block__values {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: auto;
  padding-top: clamp(16px, 3cqi, 32px);
}

.colour-block__hex {
  font-size: clamp(9px, 0.9cqi, 12px);
  font-weight: 700;
  color: oklch(from var(--white) l c h / 0.9);
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.colour-block__var {
  font-size: clamp(7px, 0.7cqi, 9px);
  font-weight: 400;
  color: oklch(from var(--white) l c h / 0.5);
  letter-spacing: 0.04em;
  line-height: 1.3;
}

.colour-block__values--dark .colour-block__hex {
  color: oklch(from var(--slate-dark) l c h / 0.85);
}

.colour-block__values--dark .colour-block__var {
  color: oklch(from var(--slate-dark) l c h / 0.45);
}

/* ============================================================
   WEB EFFECTS
   ============================================================ */

.web-effects {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10vmin;
}

/* Toggle */
.toggle {
  color: #aaa;
  font-size: 14px;
}

/* Text */
.shine-text {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(28px, 4cqi, 56px);
  line-height: 1.05;
  color: var(--gold-900);

  -webkit-background-clip: text;
  background-clip: text;

  /* Base + lighting layers */
  background:
    radial-gradient(
      circle at calc(50% + var(--lx) * 40%) calc(50% + var(--ly) * 40%),
      rgba(255, 255, 255, calc(0.9 * var(--intensity))) 0%,
      rgba(255, 255, 255, 0.2) 25%,
      rgba(255, 255, 255, 0.05) 40%,
      transparent 60%
    ),
    linear-gradient(
      calc(120deg + var(--lx) * 30deg),
      #666,
      #aaa 40%,
      #fff 50%,
      #aaa 60%,
      #666
    );

  transition: background 0.1s linear;
}

.shine-text .base {
  color: var(--gold-900);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.45);
}

/* lighting layer */
.shine-text .light {
  position: absolute;
  inset: 0;
  pointer-events: none;

  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;

  background:
    /* specular highlight (tight, bright) */
    radial-gradient(
      circle at calc(50% + var(--lx) * 45%) calc(50% + var(--ly) * 45%),
      var(--gold-spec) 0%,
      color-mix(in oklch, var(--gold-spec) 70%, transparent) 12%,
      transparent 28%
    ),
    /* diffuse glow (wider, softer) */
    radial-gradient(
        circle at calc(50% + var(--lx) * 35%) calc(50% + var(--ly) * 35%),
        var(--gold-glow) 0%,
        transparent 60%
      ),
    /* anisotropic streak (metal feel) */
    linear-gradient(
        calc(120deg + var(--lx) * 20deg),
        transparent 40%,
        color-mix(in oklch, var(--gold-200) 60%, transparent) 50%,
        transparent 60%
      );

  mix-blend-mode: overlay;
  opacity: var(--intensity);
}

/* OFF state */
.shine-text.off {
  background: linear-gradient(120deg, #888, #ccc);
}

/* ============================================================
   LOGO SLIDE
   ============================================================ */

.slide--auto-height {
  overflow: visible;
}

.logo-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-content: start;
  gap: clamp(6px, 0.8cqi, 10px);
  background: var(--bg-100);
  padding: 20px 16px;
}

@media (min-width: 768px) {
  .logo-stage {
    padding: clamp(16px, 2.5cqi, 32px) clamp(14px, 2cqi, 28px);
  }
}

.logo-stage__row-label {
  grid-column: 1 / -1;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-400);
  padding: 16px 0 8px;
}

.logo-stage__row-label:first-child {
  padding-top: 0;
}

.logo-tile {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  min-height: 160px;
  padding: 24px;
}

.logo-tile--light {
  background: var(--bg-100);
  border: 1px solid var(--border);
}

.logo-tile--dark {
  background: var(--slate-800);
}

.logo-tile--teal {
  background: var(--teal-primary);
}

.logo-tile--gold {
  background: var(--gold-base);
}

.logo-tile__img {
  width: 80px;
  height: auto;
}

.logo-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  justify-content: center;
  flex: 1;
}

.logo-lockup__mark {
  height: 40px;
  width: auto;
}

.logo-lockup__mark--invert {
  filter: brightness(0) invert(1);
}

.logo-lockup__wordmark {
  font-family: "Inter", sans-serif;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--slate-dark);
  line-height: 1;
}

.logo-lockup__wordmark--light {
  color: var(--white) !important;
}

/* Variant A — Inter, all-caps, wide tracking */
.logo-lockup__wordmark--a {
  font-family: "Inter", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--slate-dark);
  line-height: 1;
}

/* Variant B — EB Garamond, title case */
.logo-lockup__wordmark--b {
  font-family: "EB Garamond", serif;
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: #000000;
  line-height: 1;
}

/* Variant C — stacked, Inter 500, lowercase */
.logo-lockup--stacked {
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.logo-lockup__wordmark--c {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: #000000;
  line-height: 1;
}

.logo-tile__img--invert {
  filter: brightness(0) invert(1);
}

.logo-tile__label {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.logo-tile--dark .logo-tile__label,
.logo-tile--teal .logo-tile__label {
  color: oklch(from var(--white) l c h / 0.4);
}

.logo-tile--gold .logo-tile__label {
  color: var(--slate-700);
}

/* ============================================================
   DESIGN ELEMENTS SLIDE
   ============================================================ */

.elements-stage {
  background: var(--white);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: clamp(6px, 0.8cqi, 10px);
}

@media (min-width: 768px) {
  .elements-stage {
    padding: clamp(16px, 2.5cqi, 32px) clamp(16px, 2cqi, 28px);
  }
}

.elements-divider {
  font-size: clamp(8px, 0.85cqi, 11px);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-400);
  padding: clamp(12px, 1.5cqi, 20px) 0 clamp(6px, 0.8cqi, 10px);
}

.elements-divider:first-child {
  border-top: none;
  padding-top: 0;
}

.elements-row {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .elements-row {
    grid-template-columns: 1fr 1fr;
  }

  .elements-row--three {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.elements-row--full {
  grid-template-columns: 1fr;
}

.elements-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(12px, 1.5cqi, 20px);
  padding: clamp(14px, 1.8cqi, 24px);
}

.elements-cell--light {
  background: var(--white);
  border: 1px solid var(--border);
}

.elements-cell--dark {
  background: var(--slate-800);
}

.elements-cell--teal {
  background: var(--teal-700);
}

.elements-cell--teal .elements-cell__label {
  color: oklch(from var(--white) l c h / 0.35);
}

.elements-cell--wide {
  width: 100%;
}

.elements-cell--padded {
  padding: clamp(16px, 2cqi, 28px);
}

.elements-cell--flush {
  padding: 0;
  gap: 0;
}

.elements-cell--flush .elements-cell__label {
  padding: clamp(6px, 0.8cqi, 10px) clamp(10px, 1.2cqi, 16px);
}

/* Image treatment demo tile */
.tint-demo {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.tint-demo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 0;
}

/* Tint legend in info panel */
.tint-legend {
  display: flex;
  flex-direction: column;
  gap: clamp(10px, 1.2cqi, 16px);
}

.tint-legend__item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.tint-legend__code {
  font-family: var(--font-mono, monospace);
  font-size: clamp(8px, 0.85cqi, 11px);
  color: var(--teal-primary);
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  padding: 2px 6px;
  border-radius: 3px;
  width: fit-content;
}

.tint-legend__desc {
  font-size: clamp(8px, 0.8cqi, 10px);
  color: var(--slate-mid);
  line-height: 1.5;
}

/* Image tint system — duplicated here as brand-guidelines.html does not load ui.css */
.img-tint--background,
.img-tint--darken,
.img-tint--teal {
  position: relative;
  overflow: hidden;
}

.img-tint--background::after,
.img-tint--darken::after,
.img-tint--teal::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.img-tint--background::before {
  content: "";
  position: absolute;
  inset: 0;
  background: oklch(from var(--teal-primary) l c h / 0.45);
  pointer-events: none;
  z-index: 1;
}

.img-tint--background::after {
  background: oklch(from var(--slate-dark) l c h / 0.55);
  z-index: 2;
}

.img-tint--darken::after {
  background: oklch(from var(--slate-dark) l c h / 0.3);
}

.img-tint--teal::after {
  background: oklch(from var(--teal-primary) l c h / 0.25);
}

.elements-cell__label {
  font-size: clamp(8px, 0.75cqi, 10px);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate-400);
  margin-top: auto;
}

.elements-cell--dark .elements-cell__label {
  color: oklch(from var(--white) l c h / 0.35);
}

.elements-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(6px, 0.8cqi, 10px);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: clamp(9px, 0.9cqi, 12px);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1;
  padding: clamp(8px, 0.9cqi, 11px) clamp(14px, 1.6cqi, 20px);
  border-radius: 0;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background 120ms ease,
    border-color 120ms ease,
    color 120ms ease;
}

.btn--primary {
  background: var(--teal-primary);
  color: var(--white);
  border-color: var(--teal-primary);
}

.btn--primary:hover {
  background: var(--teal-800);
  border-color: var(--teal-800);
}

.btn--secondary {
  background: var(--gold-400);
  color: var(--slate-900);
  border-color: var(--gold-400);
}

.btn--secondary:hover {
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.btn--ghost {
  background: transparent;
  color: var(--slate-dark);
  border-color: var(--slate-300);
}

.btn--ghost:hover {
  background: var(--slate-100);
  border-color: var(--slate-400);
}

.btn--primary[disabled] {
  background: var(--slate-200);
  color: var(--slate-500);
  border-color: var(--slate-200);
  cursor: not-allowed;
}

.btn--tertiary {
  background: var(--slate-900);
  color: var(--white);
  border-color: var(--slate-900);
}

.btn--tertiary:hover {
  background: var(--slate-800);
  border-color: var(--slate-800);
}

.btn--primary-inv {
  background: var(--teal-secondary);
  color: var(--white);
  border-color: var(--teal-secondary);
}

.btn--primary-inv:hover {
  background: var(--teal-400);
  border-color: var(--teal-400);
}

.btn--secondary-inv {
  background: var(--gold-400);
  color: var(--slate-900);
  border-color: var(--gold-400);
}

.btn--secondary-inv:hover {
  background: var(--gold-500);
  border-color: var(--gold-500);
}

.btn--ghost-inv {
  background: transparent;
  color: var(--white);
  border-color: oklch(from var(--white) l c h / 0.35);
}

.btn--ghost-inv:hover {
  background: oklch(from var(--white) l c h / 0.08);
  border-color: oklch(from var(--white) l c h / 0.55);
}

.btn--primary-inv[disabled] {
  background: oklch(from var(--slate-700) l c h / 0.5);
  color: var(--slate-400);
  border-color: transparent;
  cursor: not-allowed;
}

.btn--ghost-inv[disabled] {
  background: transparent;
  color: var(--slate-400);
  border-color: oklch(from var(--slate-400) l c h / 0.3);
  cursor: not-allowed;
}

.elements-cell--teal .btn[disabled] {
  background: var(--teal-800);
  color: var(--teal-200);
  border-color: transparent;
  cursor: not-allowed;
}

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: clamp(8px, 0.75cqi, 10px);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  padding: clamp(4px, 0.5cqi, 5px) clamp(8px, 0.9cqi, 10px);
  border-radius: 2px;
  border: 1px solid transparent;
}

/* On light */
.badge--teal {
  background: var(--teal-50);
  color: var(--teal-700);
  border-color: var(--teal-200);
}

.badge--gold {
  background: var(--gold-100);
  color: var(--gold-700);
  border-color: var(--gold-200);
}

.badge--slate {
  background: var(--slate-100);
  color: var(--slate-600);
  border-color: var(--slate-300);
}

.badge--outline {
  background: transparent;
  color: var(--slate-600);
  border-color: var(--slate-300);
}

/* On dark */
.badge--teal-inv {
  background: oklch(from var(--teal-secondary) l c h / 0.2);
  color: var(--teal-100);
  border-color: oklch(from var(--teal-300) l c h / 0.3);
}

.badge--gold-inv {
  background: oklch(from var(--gold-500) l c h / 0.15);
  color: var(--gold-300);
  border-color: oklch(from var(--gold-400) l c h / 0.3);
}

.badge--slate-inv {
  background: oklch(from var(--slate-600) l c h / 0.3);
  color: var(--slate-300);
  border-color: oklch(from var(--slate-400) l c h / 0.3);
}

.badge--outline-inv {
  background: transparent;
  color: oklch(from var(--white) l c h / 0.55);
  border-color: oklch(from var(--white) l c h / 0.2);
}

/* On teal */
.badge--teal-teal {
  background: var(--teal-800);
  color: var(--teal-200);
  border-color: var(--teal-600);
}

.badge--gold-teal {
  background: oklch(from var(--gold-500) l c h / 0.2);
  color: var(--gold-300);
  border-color: oklch(from var(--gold-400) l c h / 0.35);
}

.badge--slate-teal {
  background: oklch(from var(--slate-800) l c h / 0.5);
  color: var(--slate-300);
  border-color: oklch(from var(--slate-500) l c h / 0.3);
}

.badge--outline-teal {
  background: transparent;
  color: oklch(from var(--white) l c h / 0.55);
  border-color: oklch(from var(--white) l c h / 0.2);
}

/* Status badges - on light */
.badge--success {
  background: oklch(from var(--success-500) calc(l + 0.28) calc(c * 0.25) h);
  color: oklch(from var(--success-500) calc(l - 0.3) c h);
  border-color: oklch(from var(--success-500) calc(l + 0.15) calc(c * 0.5) h);
}

.badge--warning {
  background: oklch(from var(--warning-500) calc(l + 0.18) calc(c * 0.25) h);
  color: oklch(from var(--warning-500) calc(l - 0.4) c h);
  border-color: oklch(from var(--warning-500) calc(l + 0.05) calc(c * 0.5) h);
}

.badge--error {
  background: oklch(from var(--error-500) calc(l + 0.28) calc(c * 0.2) h);
  color: oklch(from var(--error-500) calc(l - 0.25) c h);
  border-color: oklch(from var(--error-500) calc(l + 0.12) calc(c * 0.45) h);
}

/* Status badges - on dark */
.badge--success-inv {
  background: oklch(from var(--success-500) l c h / 0.2);
  color: oklch(from var(--success-500) calc(l + 0.2) c h);
  border-color: oklch(from var(--success-500) l c h / 0.35);
}

.badge--warning-inv {
  background: oklch(from var(--warning-500) l c h / 0.15);
  color: oklch(from var(--warning-500) calc(l + 0.1) c h);
  border-color: oklch(from var(--warning-500) l c h / 0.3);
}

.badge--error-inv {
  background: oklch(from var(--error-500) l c h / 0.2);
  color: oklch(from var(--error-500) calc(l + 0.2) c h);
  border-color: oklch(from var(--error-500) l c h / 0.35);
}

/* Status badges - on teal */
.badge--success-teal {
  background: oklch(from var(--success-500) calc(l - 0.1) c h / 0.25);
  color: oklch(from var(--success-500) calc(l + 0.2) c h);
  border-color: oklch(from var(--success-500) l c h / 0.4);
}

.badge--warning-teal {
  background: oklch(from var(--warning-500) calc(l - 0.1) c h / 0.2);
  color: oklch(from var(--warning-500) calc(l + 0.1) c h);
  border-color: oklch(from var(--warning-500) l c h / 0.35);
}

.badge--error-teal {
  background: oklch(from var(--error-500) calc(l - 0.1) c h / 0.25);
  color: oklch(from var(--error-500) calc(l + 0.2) c h);
  border-color: oklch(from var(--error-500) l c h / 0.4);
}

/* ============================================================
   FORM INPUTS
   ============================================================ */

.elements-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.2cqi, 16px) clamp(12px, 1.5cqi, 20px);
  width: 100%;
}

@media (min-width: 768px) {
  .elements-form {
    grid-template-columns: 1fr 1fr;
  }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-family: var(--font-body);
  font-size: clamp(8px, 0.8cqi, 11px);
  font-weight: 500;
  color: var(--slate-600);
  letter-spacing: 0.02em;
}

.form-input {
  font-family: var(--font-body);
  font-size: clamp(9px, 0.95cqi, 13px);
  font-weight: 400;
  color: var(--slate-dark);
  background: var(--bg-100);
  border: 1px solid var(--slate-200);
  border-radius: 3px;
  padding: clamp(7px, 0.8cqi, 10px) clamp(10px, 1.1cqi, 12px);
  outline: none;
  appearance: none;
  width: 100%;
}

.form-input::placeholder {
  color: var(--slate-400);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235F6F73' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
  cursor: pointer;
}

.form-input--focused {
  border-color: var(--teal-secondary);
  box-shadow: 0 0 0 2px oklch(from var(--teal-secondary) l c h / 0.15);
}

.form-input--error {
  border-color: oklch(0.55 0.15 25);
  box-shadow: 0 0 0 2px oklch(0.55 0.15 25 / 0.12);
}

.form-error {
  font-family: var(--font-body);
  font-size: clamp(8px, 0.75cqi, 10px);
  font-weight: 400;
  color: oklch(0.5 0.14 25);
  letter-spacing: 0.01em;
}

/* ============================================================
   LINKS / TEXT STYLES
   ============================================================ */

.type-sample {
  font-family: var(--font-body);
  font-size: clamp(11px, 1.1cqi, 14px);
  line-height: 1.7;
  color: var(--slate-700);
  max-width: 72ch;
}

.type-sample--secondary {
  font-size: clamp(9px, 0.9cqi, 12px);
  color: var(--slate-500);
}

.link {
  color: var(--teal-secondary);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--teal-secondary) l c h / 0.35);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-subtle {
  color: var(--slate-600);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--slate-400) l c h / 0.5);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-muted {
  color: var(--slate-400);
  text-decoration-color: oklch(from var(--slate-300) l c h / 0.4);
}

.type-sample--inv {
  color: var(--slate-200);
}

.type-sample--secondary-inv {
  color: var(--slate-400);
}

.link-inv {
  color: var(--teal-300);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--teal-300) l c h / 0.35);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-subtle-inv {
  color: var(--slate-400);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--slate-500) l c h / 0.5);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-muted-inv {
  color: var(--slate-600);
  text-decoration-color: oklch(from var(--slate-600) l c h / 0.4);
}

.type-sample--teal {
  color: oklch(from var(--white) l c h / 0.9);
}

.type-sample--secondary-teal {
  color: oklch(from var(--white) l c h / 0.6);
}

.link-teal {
  color: var(--gold-300);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--gold-300) l c h / 0.4);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-subtle-teal {
  color: oklch(from var(--white) l c h / 0.65);
  text-decoration: underline;
  text-decoration-color: oklch(from var(--white) l c h / 0.25);
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-muted-teal {
  color: oklch(from var(--white) l c h / 0.4);
  text-decoration-color: oklch(from var(--white) l c h / 0.15);
}

/* ============================================================
   PRINT
   ============================================================ */

@page {
  size: A4 landscape;
  margin: 0;
}

@media print {
  :root {
    --slide-pad-y: 60px;
  }

  body {
    background: none;
    margin: 0;
    padding: 0;
  }

  main {
    padding: 0 !important;
    gap: 0 !important;
    display: block;
  }

  .slide {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    width: 297mm;
    height: 210mm;
    min-height: 0 !important;
    max-height: 210mm;
    overflow: hidden;
    margin: 0;
    padding: var(--slide-pad-y) 0 !important;
    border: none;
    box-sizing: border-box;
    page-break-after: always;
    page-break-inside: avoid;
    break-after: page;
    break-inside: avoid;
  }

  .slide--dark {
    background: var(--teal-primary) !important;
  }

  .slide-layout {
    margin: 0 40px;
    min-height: 0;
    max-height: 100%;
  }

  .palette-swatches {
    min-height: 0;
    overflow: hidden;
  }

  .colour-column {
    min-height: 0;
    overflow: hidden;
  }

  .colour-column__primary {
    min-height: 0;
  }

  .info-panel {
    padding: 16px 20px;
  }

  .info-panel__body {
    font-size: 10px;
    line-height: 1.5;
  }
}