/* =========================================================
   LUMIERE ARC — 3D MODELING
   ========================================================= */

:root {
  --model-cream: #faf7f2;
  --model-cream-alt: #f5f0e8;
  --model-text: #484139;
  --model-copy: #6d665e;
  --model-muted: #817970;
  --model-brass: #a8792a;
  --model-brass-dark: #866022;
  --model-line: rgba(168, 121, 42, .22);
  --model-serif: "Cormorant Garamond", Georgia, serif;
  --model-sans: "Montserrat", Arial, sans-serif;
}

/* =========================================================
   SHARED
   ========================================================= */

.model-eyebrow {
  margin: 0 0 9px;
  color: var(--model-brass);
  font-family: var(--model-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .17em;
  line-height: 1.5;
  text-transform: uppercase;
}

.model-primary-link,
.model-secondary-link,
.model-quote-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--model-brass);
  font-family: var(--model-sans);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .11em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color .25s ease;
}

.model-secondary-link {
  color: #655e56;
}

.model-primary-link span,
.model-secondary-link span,
.model-quote-link span {
  transition: transform .25s ease;
}

.model-primary-link:hover,
.model-secondary-link:hover,
.model-quote-link:hover {
  color: var(--model-brass-dark);
}

.model-primary-link:hover span,
.model-secondary-link:hover span,
.model-quote-link:hover span {
  transform: translateX(4px);
}

/* =========================================================
   INTRODUCTION
   ========================================================= */

.model-intro {
  padding: 155px clamp(40px, 7vw, 135px) 18px;
  background: linear-gradient(
    180deg,
    #faf6f0 0%,
    var(--model-cream) 100%
  );
}

.model-intro-inner {
  max-width: 1300px;
  margin: 0 auto;
  text-align: center;
}

.model-intro h1 {
  max-width: 950px;
  margin: 0 auto;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: clamp(54px, 5.4vw, 80px);
  font-weight: 500;
  line-height: 1.04;
}

.model-intro-description {
  max-width: 690px;
  margin: 21px auto 0;
  color: var(--model-copy);
  font-family: var(--model-sans);
  font-size: 11px;
  line-height: 1.8;
}

.model-intro-actions {
  margin-top: 23px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
}

/* =========================================================
   CAROUSEL
   ========================================================= */

.model-carousel {
  position: relative;
  overflow: hidden;
  background: var(--model-cream);
}

/* TIMELINE */

.model-timeline {
  width: min(100% - 80px, 1120px);
  margin: 0 auto;
  padding: 14px 0 12px;
}

.model-timeline > .model-eyebrow {
  margin-bottom: 14px;
}

.model-timeline-steps {
  position: relative;
  display: flex;
  justify-content: space-between;
}

.model-timeline-line {
  position: absolute;
  top: 34px;
  left: 12.5%;
  right: 12.5%;
  height: 1px;
  background: rgba(168, 121, 42, .24);
  pointer-events: none;
}

#modelTimelineFill {
  display: block;
  width: 0;
  height: 100%;
  background: var(--model-brass);
  transition: width .55s ease;
}

.model-step {
  position: relative;
  z-index: 1;
  width: 25%;
  min-width: 0;
  padding: 0 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  border: 0;
  background: transparent;
  color: var(--model-muted);
  font-family: var(--model-sans);
  cursor: pointer;
}

.model-step-number {
  color: #9d9489;
  font-family: var(--model-serif);
  font-size: 20px;
  line-height: 1;
  transition: color .3s ease;
}

.model-step-dot {
  width: 11px;
  height: 11px;
  border: 1px solid rgba(168, 121, 42, .5);
  border-radius: 50%;
  background: var(--model-cream);
  transition:
    background .3s ease,
    border-color .3s ease,
    transform .3s ease;
}

.model-step-label {
  color: var(--model-muted);
  font-size: 9px;
  letter-spacing: .07em;
  text-align: center;
  text-transform: uppercase;
  transition: color .3s ease;
}

.model-step.is-active .model-step-number,
.model-step.is-complete .model-step-number {
  color: var(--model-brass-dark);
}

.model-step.is-active .model-step-dot {
  background: var(--model-brass);
  border-color: var(--model-brass);
  transform: scale(1.3);
}

.model-step.is-complete .model-step-dot {
  background: var(--model-brass);
  border-color: var(--model-brass);
}

.model-step.is-active .model-step-label {
  color: var(--model-brass-dark);
  font-weight: 600;
}

.model-step:hover .model-step-label {
  color: var(--model-brass);
}

/* =========================================================
   CAROUSEL VIEWER
   ========================================================= */

.model-carousel-viewer {
  position: relative;
  width: 100%;
}

.model-carousel-frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  transition: height .55s ease;
}

.model-carousel-slides {
  position: relative;
  width: 100%;
}

.model-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateX(35px);
  transition:
    opacity .55s ease,
    transform .55s ease,
    visibility .55s;
}

.model-slide.is-active {
  position: relative;
  z-index: 2;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.model-slide.is-leaving {
  z-index: 1;
  visibility: visible;
  opacity: 0;
  transform: translateX(-35px);
}

/* =========================================================
   SIDE ARROWS
   ========================================================= */

.model-arrow {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 44px;
  height: 54px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(168, 121, 42, .5);
  background: rgba(250, 247, 242, .93);
  color: var(--model-brass-dark);
  font-size: 22px;
  cursor: pointer;
  transform: translateY(-50%);
  transition:
    background .25s ease,
    color .25s ease,
    border-color .25s ease;
}

.model-arrow-prev {
  left: 12px;
}

.model-arrow-next {
  right: 12px;
}

.model-arrow:hover {
  background: var(--model-brass);
  border-color: var(--model-brass);
  color: #fff;
}

.model-arrow:focus-visible,
.model-step:focus-visible {
  outline: 2px solid var(--model-brass);
  outline-offset: 4px;
}

/* =========================================================
   SLIDE LAYOUT
   ========================================================= */

.model-slide {
  padding: 38px clamp(65px, 9vw, 145px);
  background: var(--model-cream);
}

.model-slide-reverse {
  background: var(--model-cream-alt);
}

.model-slide-inner {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  display: grid;
  grid-template-columns:
    minmax(0, 1.04fr)
    minmax(390px, .96fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: center;
}

.model-slide-reverse .model-slide-inner {
  grid-template-columns:
    minmax(390px, .96fr)
    minmax(0, 1.04fr);
}

.model-slide-image {
  width: 100%;
  aspect-ratio: 1 / .76;
  overflow: hidden;
  background: #ddd6cc;
}

.model-slide-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.model-slide-content {
  max-width: 570px;
}

.model-stage-marker {
  margin-bottom: 10px;
  display: flex;
  align-items: baseline;
  gap: 13px;
}

.model-stage-number {
  color: var(--model-brass);
  font-family: var(--model-serif);
  font-size: clamp(29px, 2.5vw, 36px);
  line-height: 1;
}

.model-stage-label {
  color: var(--model-brass);
  font-family: var(--model-sans);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
}

.model-slide-content h2 {
  margin: 0;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: clamp(38px, 3.3vw, 50px);
  font-weight: 500;
  line-height: 1.04;
}

.model-stage-intro {
  max-width: 530px;
  margin: 15px 0 19px;
  color: var(--model-copy);
  font-family: var(--model-sans);
  font-size: 11px;
  line-height: 1.75;
}

/* =========================================================
   DETAILED LIST
   ========================================================= */

.model-stage-list {
  border-top: 1px solid var(--model-line);
}

.model-stage-list-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--model-line);
}

.model-stage-list-item h3 {
  margin: 0 0 4px;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.1;
}

.model-stage-list-item p {
  margin: 0;
  color: var(--model-muted);
  font-family: var(--model-sans);
  font-size: 10px;
  line-height: 1.65;
}

/* =========================================================
   COMPACT LISTS
   ========================================================= */

.model-compact-list,
.model-review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 26px;
}

.model-compact-list {
  padding: 17px 0;
  border-top: 1px solid var(--model-line);
  border-bottom: 1px solid var(--model-line);
}

.model-compact-list span,
.model-review-grid span {
  position: relative;
  padding-left: 16px;
  color: #615a52;
  font-family: var(--model-sans);
  font-size: 10px;
  line-height: 1.55;
}

.model-compact-list span::before,
.model-review-grid span::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--model-brass);
}

.model-stage-note {
  margin: 14px 0 0;
  color: var(--model-muted);
  font-family: var(--model-serif);
  font-size: 16px;
  font-style: italic;
  line-height: 1.45;
}

/* =========================================================
   REVIEW BLOCK / CAPABILITY GRID
   ========================================================= */

.model-review-block {
  padding: 16px 0;
  border-top: 1px solid var(--model-line);
  border-bottom: 1px solid var(--model-line);
}

.model-review-title {
  margin: 0 0 12px;
  color: var(--model-text);
  font-family: var(--model-sans);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

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

.model-quote-link {
  margin-top: 20px;
  padding: 13px 17px;
  border: 1px solid rgba(168, 121, 42, .58);
  transition:
    background .25s ease,
    color .25s ease;
}

.model-quote-link:hover {
  background: var(--model-brass);
  color: #fff;
}

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

.model-overview-section {
  padding: 46px clamp(40px, 7vw, 135px);
  background: var(--model-cream-alt);
}

.model-overview {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  display: grid;
  grid-template-columns:
    minmax(320px, .95fr)
    minmax(400px, 1.05fr);
  gap: clamp(70px, 9vw, 140px);
}

.model-overview-copy {
  max-width: 560px;
}

.model-overview-copy h2 {
  margin: 0 0 17px;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: clamp(39px, 3.4vw, 52px);
  font-weight: 500;
  line-height: 1.04;
}

.model-overview-copy > p:not(.model-eyebrow) {
  margin: 0 0 12px;
  color: var(--model-copy);
  font-family: var(--model-sans);
  font-size: 11px;
  line-height: 1.75;
}

.model-overview-list {
  border-top: 1px solid var(--model-line);
}

.model-overview-item {
  min-height: 45px;
  display: grid;
  grid-template-columns: 38px 1fr;
  align-items: center;
  gap: 13px;
  border-bottom: 1px solid var(--model-line);
}

.model-overview-item span {
  color: var(--model-brass);
  font-family: var(--model-sans);
  font-size: 8px;
}

.model-overview-item p {
  margin: 0;
  color: #5e5750;
  font-family: var(--model-sans);
  font-size: 10px;
  line-height: 1.5;
}

/* =========================================================
   SELECTED WORK
   ========================================================= */

.model-selected-work {
  padding: 38px clamp(40px, 7vw, 135px) 50px;
  background: var(--model-cream);
}

.model-selected-heading {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto 17px;
  padding-bottom: 12px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 25px;
  border-bottom: 1px solid var(--model-line);
}

.model-selected-heading h2 {
  margin: 0;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: clamp(27px, 2.3vw, 35px);
  font-weight: 500;
  line-height: 1.04;
}

.model-selected-grid {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 15px;
}

.model-selected-project {
  display: block;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.model-selected-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #d6cec4;
}

.model-selected-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  transition: transform .4s ease;
}

.model-selected-project:hover .model-selected-image img {
  transform: scale(1.02);
}

.model-selected-info {
  padding: 8px 1px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.model-selected-info h3 {
  margin: 0;
  color: var(--model-text);
  font-family: var(--model-serif);
  font-size: clamp(16px, 1.25vw, 19px);
  font-weight: 500;
  line-height: 1.1;
}

.model-selected-info > span {
  color: var(--model-brass);
  font-size: 13px;
  transition: transform .25s ease;
}

.model-selected-project:hover .model-selected-info > span {
  transform: translateX(3px);
}

/* =========================================================
   SCROLL REVEALS
   ========================================================= */

.model-js-enabled .model-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity .55s ease,
    transform .55s ease;
}

.model-js-enabled .model-reveal.model-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   TABLET
   ========================================================= */

@media (max-width: 1000px) {

  .model-intro {
    padding: 145px 40px 16px;
  }

  .model-slide {
    padding-left: 75px;
    padding-right: 75px;
  }

  .model-slide-inner,
  .model-slide-reverse .model-slide-inner {
    gap: 40px;
  }

  .model-arrow {
    width: 36px;
    height: 48px;
  }

  .model-arrow-prev {
    left: 8px;
  }

  .model-arrow-next {
    right: 8px;
  }

}

/* =========================================================
   SMALL TABLET
   ========================================================= */

@media (max-width: 800px) {

  .model-intro {
    padding: 135px 22px 16px;
  }

  .model-intro h1 {
    font-size: clamp(48px, 11vw, 64px);
  }

  .model-slide {
    padding: 34px 55px;
  }

  .model-slide-inner,
  .model-slide-reverse .model-slide-inner {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .model-slide-reverse .model-slide-content {
    order: 2;
  }

  .model-slide-reverse .model-slide-image {
    order: 1;
  }

  .model-slide-content {
    max-width: none;
  }

  .model-slide-image {
    aspect-ratio: 16 / 9;
  }

  .model-timeline {
    width: calc(100% - 44px);
  }

  .model-overview-section,
  .model-selected-work {
    padding-left: 22px;
    padding-right: 22px;
  }

  .model-overview {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .model-selected-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
  }

}

/* =========================================================
   MOBILE
   ========================================================= */

@media (max-width: 560px) {

  .model-intro {
    padding: 125px 18px 14px;
  }

  .model-intro h1 {
    font-size: 45px;
  }

  .model-intro-description {
    font-size: 10.5px;
  }

  .model-intro-actions {
    gap: 19px;
  }

  .model-timeline {
    width: calc(100% - 24px);
    padding: 12px 0 14px;
  }

  .model-timeline > .model-eyebrow {
    margin: 0 10px 12px;
  }

  .model-timeline-line {
    top: 29px;
  }

  .model-step {
    gap: 8px;
    padding: 0 2px;
  }

  .model-step-number {
    font-size: 16px;
  }

  .model-step-dot {
    width: 10px;
    height: 10px;
  }

  .model-step-label {
    font-size: 7px;
    line-height: 1.3;
    letter-spacing: .015em;
    overflow-wrap: anywhere;
  }

  .model-slide {
    padding: 64px 18px 30px;
  }

  .model-slide-image {
    aspect-ratio: 16 / 10;
  }

  .model-slide-content h2 {
    font-size: 36px;
  }

  .model-stage-number {
    font-size: 30px;
  }

  .model-stage-label {
    font-size: 9px;
  }

  .model-compact-list,
  .model-review-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .model-arrow {
    top: 12px;
    width: 34px;
    height: 38px;
    font-size: 18px;
    transform: none;
  }

  .model-arrow-prev {
    left: 18px;
  }

  .model-arrow-next {
    right: 18px;
  }

  .model-overview-section,
  .model-selected-work {
    padding: 30px 18px;
  }

  .model-overview-copy h2 {
    font-size: 36px;
  }

  .model-selected-grid {
    gap: 8px;
  }

  .model-selected-info h3 {
    font-size: 13px;
  }

  .model-selected-info > span {
    display: none;
  }

}

/* =========================================================
   REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

  .model-slide,
  .model-carousel-frame,
  #modelTimelineFill,
  .model-js-enabled .model-reveal {
    transition: none;
  }

}