/*  Variables  */
:root {
  --c1-coral:       #E07A5F;   
  --c1-teal:        #4F6D7A;   
  --c1-sky:         #C0D6DF;   
  --c1-cream:       #F4F1DE;   
  --c1-grey:        #EAEAEA;   
  --c1-border:      rgba(47,42,38,0.1);  /*  delete?  */
  --c1-white:       #ffffff;
}


html {
  overflow-x: hidden;
}


/* HERO IMAGE*/
.cs-hero-image {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding: 0 3rem;
}

.cs-hero-image img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}


/* COVER  */
.cs-cover {
  padding: 7rem 3rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cs-cover-split {
  display: grid;
  grid-template-columns: 0.85fr 1.7fr;
  gap: 5rem;
  align-items: start;
}

.cs-cover-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.cs-info-group h3 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.5rem;
  opacity: 0.55;
}

.cs-info-group p {
  font-size: 0.95rem;
  margin: 0;
  font-weight: 400;
}

.cs-cover-case {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c1-coral);
  margin: 0 0 0.9rem;
}

.cs-cover-title {
  font-size: 4rem;
  font-weight: 700;
  margin: 0 0 2rem;
  letter-spacing: -0.03em;
}

.cs-cover-subtitle {
  font-size: 1.05rem;
  font-weight: 400;
  max-width: 680px;
  margin: 0;
}

/* prototype button */
.cs-prototype-btn {
  display: inline-block;
  width: fit-content;
  margin-top: 1rem;
  padding: 0.9rem 1.4rem;
  border: 2px solid var(--c1-coral);
  border-radius: 0.5rem;
  color: var(--c1-coral);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: all 0.22s ease;
}

.cs-prototype-btn:hover {
  background: var(--c1-coral);
  color: var(--c1-white);
}


/* cover gallery 
.cs-cover-gallery {
  max-width: 1400px;
  margin: 3rem auto 0;
  padding: 0 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.cs-cover-gallery img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
}

*/


/* BODY */
.cs-body {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4rem 6rem;
}

/*  Section base  */
.cs-section {
  padding-top: 2rem;
  margin-top: 2rem;
}

.cs-section:first-child {
  margin-top: 0;
}


.cs-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1.8rem;
  letter-spacing: 0em;
}

/* paragraphs */
.cs-section p {
  font-size: 1rem;
  font-weight: 400;
  margin: 0 0 1.2rem;
  max-width: 680px;
}


/* Problem + Goal */
.cs-problem-goal-section {
  padding-top: 2;
  margin-top: 4rem;
  border-top: none;
  margin-left: -5.5rem;
  margin-right: -5.5rem;
}

.cs-problem-goal-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 0;
  align-items: stretch;
}

.cs-problem-block {
  background: rgba(224, 122, 95, 0.8);
  padding: 4rem;
}

.cs-goal-block {
  background: rgba(192, 214, 223, 0.8);
  padding: 4rem;
}

.cs-problem-block p,
.cs-goal-block p {
  max-width: none;
  margin: 0;
}

.cs-problem-block .cs-section-title,
.cs-goal-block .cs-section-title {
  margin-bottom: 1.2rem;
}

.cs-problem-block strong {
  font-weight: 500;
  color: #000;
  background-image: linear-gradient(
    120deg,
    rgba(255, 255, 255, 0.75) 0%,
    rgba(255, 255, 255, 0.75) 100%
  );
  background-repeat: no-repeat;
  background-size: 100% 38%;
  background-position: 0 82%;
  padding: 0 0.08em;
}

/* mobile */
@media (max-width: 768px) {
  .cs-problem-goal-section {
    margin-left: -1.5rem;
    margin-right: -1.5rem;
  }

  .cs-problem-goal-grid {
    grid-template-columns: 1fr;
  }

  .cs-problem-block,
  .cs-goal-block {
    padding: 3rem 1.5rem;
  }
}

.c1-solution-title {
  position: relative;
  display: block;
  width: fit-content;

  left: 50%;
  transform: translateX(-50%);
  padding-bottom: 0.7rem;
  
  font-size: 2rem;
}

.c1-solution-title::after {
  content: "";
  position: absolute;
  left: 0.05em;
  bottom: 0;
  width: 102%;
  height: 10px;
  background: var(--c1-sky);
  border-radius: 999px;
  transform: rotate(-1.5deg);
}

.c1-solution-section {
  margin-top: 13rem;
}

.cs-sub-heading.c1-process-title {
  text-align: center;
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  color: #2f2a26;
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: none;

  margin-top: 2rem;
  margin-bottom: 0rem;
}

.cs-image-block.c1-process-image {
  width: 120%;
  max-width: 1350px;

  position: relative;
  left: 50%;
  transform: translateX(-50%);

  margin-top: 0;
  margin-bottom: 4rem;
}




.c1-research-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: #98C1D9;
  padding: 3rem 0;
  margin: 4rem 0 3rem;
}

.c1-research-banner .c1-process-header {
  width: fit-content;
    margin-left: auto;
  margin-right: 10rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.c1-research-banner .c1-process-header h3 {
  color: #ffffff;
  margin: 0;
  font-size: 2.0rem;
  font-weight: 700;
}

.c1-research-banner .c1-process-header::after {
  display: none;
}

.c1-research-banner .c1-process-header img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 999px;
  padding: 0.35rem;
}


.c1-search-icon {
  width: 180px;
  height: auto;
  display: block;
  margin-top: 3rem;
  margin-left: 10rem;
  transform: rotate(8deg);
}
.cs-sub-heading.c1-background-title {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;
}

.c1-background-research {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  display: grid;
  grid-template-columns: 0.75fr 1.8fr;
  gap: 3rem;
  align-items: start;

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 2rem;
}

.c1-background-text {
  max-width: 360px;
}

.c1-background-text p {
  max-width: none;
}


.c1-key-findings-title--background {
  margin-top: 0;
}


.c1-research-findings-wrap {
  width: 100%;
  margin-top: 4rem;
}

.c1-research-findings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin: 0;
}

.c1-research-finding-card {
  padding: 1.4rem;
  background: #C0D6DF;
}

.c1-research-finding-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.7rem;
  color: #2f2a26;
}

.c1-research-finding-card p {
  font-size: 0.9rem;
  margin: 0;
 
  max-width: none;
}

@media (max-width: 768px) {
  .c1-background-research {
    width: 100%;
    left: auto;
    transform: none;

    grid-template-columns: 1fr;
    gap: 1.5rem;

    padding: 0;
  }

  .c1-background-text {
    max-width: none;
  }

  .c1-research-findings-grid {
    grid-template-columns: 1fr;
  }
}

/* sub headings */
.cs-sub-heading {
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c1-coral);
  margin: 2rem 0 0.8rem;
  text-decoration: none;
}

.c1-interview-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  gap: 3rem;
  align-items: start;

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 8rem;
}

.c1-interview-findings {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.c1-interview-text {
  max-width: 360px;
}

.c1-interview-text p {
  max-width: none;
}

.cs-sub-heading.c1-interview-title {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;
}

.c1-key-findings-title {
  font-size: 1rem;
  font-weight: 500;
  color: #2f2a26;
  margin: 2rem 0 0.5rem;
}

.c1-interview-icon {
  width: 230px;
  height: auto;
  display: block;
  margin-top: 6rem;
  margin-left: 5rem;
  transform: rotate(1deg);
}









/* Competitive Analysis */
.c1-competitive-analysis {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  display: grid;
  grid-template-columns: 0.75fr 1.8fr;
  gap: 3rem;
  align-items: start;

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 10rem;
}

.c1-competitive-text {
  max-width: 360px;
}

.c1-competitive-text p {
  max-width: none;
}

.cs-sub-heading.c1-competitive-title {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;
}

.c1-highlight-direct {
  background: rgba(224, 122, 95, 0.8);
  padding: 0.05em 0.25em;
  border-radius: 0.2em;
  font-weight: 600;
}

.c1-highlight-indirect {
  background: #C0D6DF;
  padding: 0.05em 0.25em;
  border-radius: 0.2em;
  font-weight: 600;
}

.c1-competitive-image {
  width: 230px;
  height: auto;
  display: block;
  margin-top: 7rem;
   margin-left: 2rem;
  transform: rotate(-2deg);
}

/* App category cards */
.c1-competitive-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
   margin-top: 4rem;
}


.c1-competitive-card {
  background: #C0D6DF;
  padding: 1.4rem;
}

.c1-competitive-card--direct {
  background: rgba(224, 122, 95, 0.8);
}

.c1-app-icons {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.c1-app-icons img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 0.4rem;
}

.c1-competitive-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.4rem;
}

.c1-app-names {
  font-size: 0.78rem;
  color: #ffffff;
  margin: 0 0 0.8rem;
  max-width: none;
}

.c1-competitive-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
  max-width: none;
}

/* Bottom: Key Findings + Gap */
.c1-competitive-bottom {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  gap: 3rem;
  align-items: start;

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 1rem;
}

.c1-competitive-findings {
  width: 100%;
}

.c1-competitive-findings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.c1-competitive-finding-card {
  background: rgba(224, 122, 95, 0.12);
  padding: 1.4rem;
}

.c1-competitive-finding-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.7rem;
}

.c1-competitive-finding-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

/* Gap callout */
.c1-gap-card {
  background-image: url("../../images/case1/decoration1.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100% auto;

  padding: 4.5rem 4rem;
  margin-top: 2.1rem;
  position: relative;
  overflow: hidden;

  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.c1-gap-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  margin: 1 0 0.5rem;
}

.c1-gap-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  margin: 0;
  max-width: 360px;
}

/* Mobile */
@media (max-width: 768px) {
  .c1-competitive-analysis,
  .c1-competitive-bottom {
    width: 100%;
    left: auto;
    transform: none;

    grid-template-columns: 1fr;
    gap: 1.5rem;

    padding: 0;
  }

  .c1-competitive-text {
    max-width: none;
  }

  .c1-competitive-cards,
  .c1-competitive-findings-grid {
    grid-template-columns: 1fr;
  }

  .c1-gap-card {
    margin-top: 0;
  }
}







/* ================================
   Synthesis
================================ */

/* Uses the same banner structure as Research */
.c1-synthesis-banner {
  background: #D77A61;
  margin-top: 8rem;
}

.c1-synthesis-banner .c1-process-header {
  width: fit-content;
  margin-left: 9rem;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.c1-synthesis-banner .c1-process-header h3 {
  color: #ffffff;
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.c1-synthesis-banner .c1-process-header img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 999px;
  padding: 0.35rem;
}

/* Synthesis section wrapper */
.c1-synthesis-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 4rem;
}

.c1-synthesis-intro {
  max-width: 720px;
  margin-bottom: 5rem;
}

.c1-synthesis-intro p {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: none;
}

/* Shared section heading */
.c1-section-heading-row {
  max-width: 760px;
  margin-bottom: 2rem;
}

.c1-section-heading-row p {
  max-width: none;
}

.cs-sub-heading.c1-synthesis-subtitle {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;

  color: var(--c1-coral);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

/* ================================
   User Needs Analysis
================================ */

.c1-una-section {
  margin-top: 6rem;
}
.c1-section-heading-row--right {
  margin-left: auto;
  margin-right: 0;
}

/* UNA heading with theme image */
.c1-una-heading-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 1rem;
}

.c1-una-heading-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.c1-una-heading-image img {
  width: 260px;
  height: auto;
  display: block;
  transform: rotate(-5deg);
}

.c1-una-heading-layout .c1-section-heading-row {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .c1-una-heading-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
  }

  .c1-una-heading-image {
    justify-content: flex-start;
  }

  .c1-una-heading-image img {
    width: 130px;
  }
}

.c1-una-affinity-image {
  width: 100%;
  max-width: 1100px;
  margin: 2.5rem auto 4rem;
}

.c1-una-affinity-image img {
  width: 100%;
  height: auto;
  display: block;
}

.c1-una-grid-new {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.c1-una-theme-card {
  background: rgba(224, 122, 95, 0.7);
  padding: 1.4rem;
  min-height: 230px;
  position: relative;
  overflow: hidden;
}

.c1-una-theme-card span {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 1rem;
}

.c1-una-theme-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.7rem;
}

.c1-una-theme-card p {
  font-size: 0.86rem;
  line-height: 1.65;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

.c1-una-note-card {
  min-height: 230px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.c1-una-note-card img {
  width: 80%;
  max-width: 240px;
  height: auto;
  display: block;
  transform: rotate(4deg);
}



/* ================================
   Design Opportunities
================================ */

.c1-design-opportunity-section {
  margin-top: 8rem;
}

/* Design Opportunities heading with image */
.c1-opportunity-heading-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 1rem;
}

.c1-opportunity-heading-layout .c1-section-heading-row {
  margin-bottom: 0;
}

.c1-opportunity-heading-image {
  display: flex;
  justify-content: center;
  align-items: center;
  transform: rotate(5deg);
}

.c1-opportunity-heading-image img {
  width: 250px;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .c1-opportunity-heading-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
  }

  .c1-opportunity-heading-image {
    justify-content: flex-start;
  }

  .c1-opportunity-heading-image img {
    width: 130px;
  }
}

.c1-opportunity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.c1-opportunity-card {
  background: rgba(224, 122, 95, 0.12);
  padding: 1.4rem;
  border-left: 4px solid var(--c1-coral);
}

.c1-opportunity-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.7rem;
}

.c1-opportunity-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

/* ================================
   Responsive
================================ */

@media (max-width: 1024px) {
  .c1-una-grid-new {
    grid-template-columns: repeat(2, 1fr);
  }

  .c1-opportunity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .c1-synthesis-banner .c1-process-header {
    margin-right: 1.5rem;
  }

  .c1-synthesis-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 0;
  }

  .c1-synthesis-intro {
    margin-bottom: 3.5rem;
  }

  .c1-una-grid-new,
  .c1-opportunity-grid {
    grid-template-columns: 1fr;
  }


  .c1-una-affinity-image {
    margin: 2rem auto 3rem;
  }
}

@media (max-width: 768px) {
  .c1-una-note-card {
    min-height: 160px;
    justify-content: flex-start;
  }

  .c1-una-note-card img {
    width: 140px;
  }
}







/* ================================
   Define the Experience
================================ */

.c1-define-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: #4F6D7A;
  padding: 3rem 0;
  margin: 8rem 0 4rem;
}

.c1-define-banner .c1-process-header {
  width: fit-content;
  margin-left: auto;
  margin-right: 10rem;

  display: flex;
  align-items: center;
  gap: 1rem;
}

.c1-define-banner .c1-process-header h3 {
  color: #ffffff;
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.c1-define-banner .c1-process-header img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 999px;
  padding: 0.35rem;
}

.c1-define-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 4rem;
}

.c1-define-intro--right {
  max-width: 760px;
  margin-left: auto;
  margin-right: 0;
  margin-bottom: 6rem;
}

.c1-define-intro--right p {
  font-size: 1.05rem;
  line-height: 1.75;
  margin: 0;
  max-width: none;
  color: #2f2a26;
}

@media (max-width: 768px) {
  .c1-define-intro--right {
    max-width: none;
    margin-left: 0;
    margin-bottom: 4rem;
  }
}

.c1-define-block {
  margin-top: 7rem;
}

.cs-sub-heading.c1-define-subtitle {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;

  color: var(--c1-coral);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}


/* ================================
   Personas Carousel
================================ */

.c1-persona-carousel {
  position: relative;
  width: 100%;
  overflow: visible;
  margin-top: 2.5rem;
  padding: 0 6rem;
  box-sizing: border-box;
}

.c1-persona-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 0;

  padding: 0 0 1rem;
  scrollbar-width: none;
}

.c1-persona-track::-webkit-scrollbar {
  display: none;
}

.c1-persona-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  box-sizing: border-box;

  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 2.5rem;
  align-items: center;

  padding: 0 4rem;
}

.c1-persona-summary {
  background: transparent;
  padding: 1.6rem 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.c1-persona-label {
  display: inline-block;
  width: fit-content;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c1-coral);
  margin-bottom: 0.8rem;
}

.c1-persona-summary h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.35rem;
}

.c1-persona-role {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--c1-teal);
  margin: 0 0 1rem;
  max-width: none;
}

.c1-persona-summary p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

.c1-persona-slide-image {
  margin: 0;
  background: #ffffff;
}

.c1-persona-slide-image img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  display: block;
}

/* Arrows */
.c1-persona-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);

  width: 44px;
  height: 44px;
  border: none !important;
  border-radius: 999px;

  background: var(--c1-teal) !important;
  color: #ffffff !important;

  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 18px rgba(47, 42, 38, 0.16);
  transition: opacity 0.2s ease;
}

.c1-persona-arrow:hover,
.c1-persona-arrow:focus,
.c1-persona-arrow:active {
  background: var(--c1-teal) !important;
  color: #ffffff !important;
  border: none !important;
  outline: none !important;
  transform: translateY(-50%);
  opacity: 0.9;
}

.c1-persona-arrow--left {
  left: 0.5rem;
}

.c1-persona-arrow--right {
  right: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .c1-persona-carousel {
    padding: 0 4rem;
  }

  .c1-persona-slide {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 760px;
  }

  .c1-persona-summary {
    padding: 0;
  }

  .c1-persona-slide-image img {
    max-height: none;
  }
}

@media (max-width: 768px) {
  .c1-persona-carousel {
    padding: 0 2.5rem;
  }

  .c1-persona-arrow {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .c1-persona-arrow--left {
    left: 0.25rem;
  }

  .c1-persona-arrow--right {
    right: 0.25rem;
  }
}
/* ================================
   Journey Maps Carousel
================================ */

.c1-journey-carousel {
  position: relative;
  width: 100%;
  overflow: visible;
  margin-top: 2.5rem;
  padding: 0 6rem;
  box-sizing: border-box;
}

.c1-journey-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 2rem;

  padding: 0 0 1rem;
  scrollbar-width: none;
}

.c1-journey-track::-webkit-scrollbar {
  display: none;
}

.c1-journey-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  box-sizing: border-box;
}

.c1-journey-slide-heading {
  margin-bottom: 1.2rem;
}

.c1-journey-slide-heading span {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c1-teal);
  margin-bottom: 0.45rem;
}

.c1-journey-slide-heading h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.25rem;
}

.c1-journey-slide-heading p {
  font-size: 0.9rem;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

.c1-journey-map-slide-image {
  max-width: 1100px;
  margin: 0 auto;
}

.c1-journey-map-slide-image img {
  width: 100%;
  max-height: 680px;
  object-fit: contain;
  display: block;
}

/* Arrows */
.c1-journey-arrow {
  position: absolute;
  top: 55%;
  transform: translateY(-50%);

  width: 44px;
  height: 44px;
  border: none !important;
  border-radius: 999px;

  background: var(--c1-teal) !important;
  color: #ffffff !important;

  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 18px rgba(47, 42, 38, 0.16);
  transition: opacity 0.2s ease;
}

.c1-journey-arrow:hover,
.c1-journey-arrow:focus,
.c1-journey-arrow:active {
  background: var(--c1-teal) !important;
  color: #ffffff !important;
  border: none !important;
  outline: none !important;
  transform: translateY(-50%);
  opacity: 0.9;
}

.c1-journey-arrow--left {
  left: 0.5rem;
}

.c1-journey-arrow--right {
  right: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .c1-journey-carousel {
    padding: 0 4rem;
  }

  .c1-journey-map-slide-image img {
    max-height: none;
  }
}

@media (max-width: 768px) {
  .c1-journey-carousel {
    padding: 0 2.5rem;
  }

  .c1-journey-arrow {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .c1-journey-arrow--left {
    left: 0.25rem;
  }

  .c1-journey-arrow--right {
    right: 0.25rem;
  }
}

/* ================================
   Core Use Cases - Side Layout
================================ */

.c1-usecase-layout {
  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

/* Left cards stacked vertically */
.c1-usecase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;

  width: 100%;
  margin-top: 4rem;
  margin-left: 0;
  margin-right: auto;
}

.c1-usecase-card {
  background: rgba(79, 109, 122, 0.8);
  border-left: none;
  padding: 1.8rem 2rem;
}

.c1-usecase-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  color: #F4F1DE;
 
  margin-bottom: 1rem;
}

.c1-usecase-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #F4F1DE;

  margin: 0 0 0.9rem;
}

.c1-usecase-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #ffffff;
  margin: 0;
  max-width: none;
}

/* Right text */
.c1-usecase-text {
  max-width: 360px;
}

.c1-usecase-text .c1-define-description {
  max-width: none;
  margin: 0;
}

.c1-usecase-icon {
  width: 230px;
  height: auto;
  display: block;
  margin-top: 7rem;
  margin-left: 3rem;
  transform: rotate(2deg);
}

/* Responsive */
@media (max-width: 900px) {
  .c1-usecase-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c1-usecase-text {
    max-width: none;
    order: 1;
  }

  .c1-usecase-grid {
    order: 2;
    margin-top: 1rem;
  }

  .c1-usecase-icon {
    width: 150px;
    margin-top: 2rem;
    margin-left: 0;
  }
}

/* Task Flows */

.c1-taskflow-heading-card {
  
  padding: 1.2rem 1.4rem;
  margin: 2.5rem 0 1.2rem;
}

.c1-taskflow-heading-card span {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c1-teal);
  margin-bottom: 0.35rem;
}

.c1-taskflow-heading-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0;
}

.c1-taskflow-image {
  max-width: 1100px;
  margin: 1.5rem auto 3rem;
}

/* Responsive */

@media (max-width: 1024px) {
  .c1-persona-showcase {
    grid-template-columns: 1fr;
  }

  .c1-secondary-personas-grid,
  .c1-usecase-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .c1-define-banner {
    margin: 5rem 0 3rem;
    padding: 2.5rem 0;
  }

  .c1-define-banner .c1-process-header {
    margin-left: auto;
    margin-right: 1.5rem;
  }

  .c1-define-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }

  .c1-define-banner .c1-process-header img {
    width: 80px;
    height: 80px;
  }

  .c1-define-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 0;
  }

  .c1-define-intro {
    margin-bottom: 4rem;
  }

  .c1-define-block {
    margin-top: 5rem;
  }

  .c1-persona-summary {
    min-height: auto;
  }

  .c1-journey-map-hidden {
    padding: 0 0.8rem 1rem;
  }
}








/* ================================
   Prototype
================================ */

.c1-prototype-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: #81B29A;
  padding: 3rem 0;
  margin: 8rem 0 4rem;
}

.c1-prototype-banner .c1-process-header {
  width: fit-content;
  margin-left: 9rem;
  margin-right: auto;

  display: flex;
  align-items: center;
  gap: 1rem;
}

.c1-prototype-banner .c1-process-header h3 {
  color: #ffffff;
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.c1-prototype-banner .c1-process-header img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 999px;
  padding: 0.35rem;
}

.c1-prototype-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 0 5rem;
  box-sizing: border-box;
  margin-top: 0rem;
}

.c1-prototype-intro {
  max-width: 760px;
  margin-bottom: 0rem;
}

.c1-prototype-intro p {
  font-size: 1.05rem;
  line-height: 1.75;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

.c1-prototype-block {
  margin-top: 4rem;
}

.cs-sub-heading.c1-prototype-subtitle {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 1.2rem;

  color: var(--c1-coral);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.c1-prototype-description {
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.75;
  color: #2f2a26;
  margin: 0 0 2rem;
}

/* Key Screens Planned */

.c1-key-screens-layout {
  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  gap: 3rem;
  align-items: start;
  margin-top: 2rem;
}

.c1-key-screens-text {
  max-width: 360px;
}

.c1-key-screens-text .c1-prototype-description {
  max-width: none;
  margin: 0;
}

/* Left: phone-like vertical cards */
.c1-key-screen-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 1rem;

  width: 100%;
  margin-top: 4rem;
}

.c1-key-screen-card {
  background: rgba(129, 178, 154, 0.16);
  border: 1px solid rgba(129, 178, 154, 0.45);
  border-radius: 1.1rem;

  min-height: 260px;
  padding: 2rem 1.35rem;

  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;

  box-shadow: 0 8px 20px rgba(47, 42, 38, 0.06);
}

.c1-key-screen-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.55rem;
}

.c1-key-screen-card p {
  font-size: 0.8rem;
  line-height: 1.55;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

/* Sketches */

.c1-sketch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
　margin-top: 2rem;
}

.c1-sketch-card {
  margin: 0;
  background: #ffffff;
}



.c1-prototype-section .c1-sketch-card img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  display: block;
}

.c1-sketch-card figcaption {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c1-teal);
  margin-bottom: 0.65rem;
  letter-spacing: 0.02em;
}

/* ================================
   Paper Wireframes Carousel
================================ */

.c1-wireframes-block {
  margin-top: 4rem;
}

/* Section title on the right */
.c1-wireframes-heading-row {
  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  align-items: start;
  margin-bottom: 2rem;
}

.c1-wireframes-heading-text {
  max-width: 360px;
}

/* Carousel wrapper */
.c1-wireframe-carousel {
  position: relative;
  width: 100%;
  overflow: visible;
  margin-top: 2rem;
  padding: 0 6rem;
  box-sizing: border-box;
}

/* Track */
.c1-wireframe-track {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  gap: 2rem;

  padding: 0 0 1rem;
  scrollbar-width: none;
}

.c1-wireframe-track::-webkit-scrollbar {
  display: none;
}

/* Each slide */
.c1-wireframe-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  box-sizing: border-box;
}

/* Slide content layout */
.c1-wireframe-slide-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.75fr;
  gap: 3rem;
  align-items: center;

  max-width: 1050px;
  margin-left: auto;
  margin-right: auto;
}

/* Single large image */
.c1-wireframe-slide-image {
  margin: 0;
  background: #ffffff;
}

.c1-wireframe-slide-image img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  display: block;
}




/* Text */
.c1-wireframe-slide-text {
  max-width: 420px;
}

.c1-wireframe-step {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #81B29A;
  margin-bottom: 0.6rem;
}

.c1-wireframe-slide-text h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.9rem;
}

.c1-wireframe-slide-text p {
  font-size: 0.96rem;
  line-height: 1.75;
  color: #2f2a26;
  margin: 0 0 1rem;
  max-width: none;
}

/* Notes inside slides */
.c1-wireframe-note {
  background: rgba(129, 178, 154, 0.12);
  border-left: 3px solid #81B29A;
  padding: 0.75rem 0.9rem;
  margin-top: 0.8rem;

  font-size: 1rem;
  line-height: 1.6;
  color: #5a5450;
}

.c1-wireframe-note strong {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
}

/* Arrows */
.c1-wireframe-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);

  width: 44px;
  height: 44px;
  border: none !important;
  border-radius: 999px;

  background: #81B29A !important;
  color: #ffffff !important;

  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 20;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 6px 18px rgba(47, 42, 38, 0.16);
  transition: opacity 0.2s ease;
}

.c1-wireframe-arrow:hover,
.c1-wireframe-arrow:focus,
.c1-wireframe-arrow:active {
  background: #81B29A !important;
  color: #ffffff !important;
  border: none !important;
  outline: none !important;
  transform: translateY(-50%);
  opacity: 0.9;
}

.c1-wireframe-arrow--left {
  left: 0.5rem;
}

.c1-wireframe-arrow--right {
  right: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .c1-wireframes-heading-row {
    grid-template-columns: 1fr;
  }

  .c1-wireframes-heading-text {
    max-width: none;
  }

  .c1-wireframe-carousel {
    padding: 0 4rem;
  }

  .c1-wireframe-slide-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 760px;
  }

  .c1-wireframe-slide-text {
    max-width: none;
  }

  
}

@media (max-width: 768px) {
  .c1-wireframes-block {
    margin-top: 5rem;
  }

  .c1-wireframe-carousel {
    padding: 0 2.5rem;
  }

 

  .c1-wireframe-arrow {
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }

  .c1-wireframe-arrow--left {
    left: 0.25rem;
  }

  .c1-wireframe-arrow--right {
    right: 0.25rem;
  }
}

/* ================================
   Brand Direction
================================ */

.c1-brand-block {
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.c1-brand-heading {
  max-width: 760px;
  margin-left: 0;
  margin-right: auto;
  margin-bottom: 0rem;
}

.c1-brand-heading p:not(.cs-sub-heading) {
  font-size: 1rem;
  line-height: 1.75;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* Typography + Color side by side */
.c1-brand-system-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem;
  align-items: start;
}

.c1-brand-system-card {
  max-width: 520px;
}

.c1-brand-system-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.9rem;
}

.c1-brand-system-card p {
  font-size: 0.94rem;
  line-height: 1.75;
  color: #5a5450;
  margin: 0 0 1rem;
  max-width: none;
}

.c1-brand-system-card figure {
  margin: 1.5rem 0 0;
  background: #ffffff;
}

.c1-brand-system-card img {
  width: 100%;
  max-height: 360px;
  object-fit: contain;
  display: block;
  margin-left: 0;
  margin-right: auto;
}


/* Responsive */

@media (max-width: 1024px) {
  .c1-key-screens-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c1-key-screens-text {
    max-width: none;
    order: 1;
  }

  .c1-key-screen-grid {
    order: 2;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 1rem;
  }
}

@media (max-width: 768px) {
  .c1-key-screen-grid {
    grid-template-columns: 1fr;
  }

  .c1-key-screen-card {
    min-height: 190px;
  }
}

@media (max-width: 768px) {
  .c1-prototype-banner {
    margin: 5rem 0 3rem;
    padding: 2.5rem 0;
  }

.c1-prototype-banner .c1-process-header {
  margin-left: 1.5rem;
  margin-right: auto;
}

.c1-prototype-banner .c1-process-header img {
  width: 80px;
  height: 80px;
}
  .c1-prototype-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }

  .c1-prototype-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 0;
  }

  .c1-prototype-intro {
    margin-bottom: 4rem;
  }

  .c1-prototype-block {
    margin-top: 5rem;
  }

  .c1-key-screen-grid,
  .c1-sketch-grid {
    grid-template-columns: 1fr;
  }

  .c1-sketch-card--wide {
    grid-column: span 1;
  }
}

@media (max-width: 1024px) {
  .c1-wireframes-heading-row,
  .c1-wireframe-layout,
  .c1-wireframe-layout--image-right,
  .c1-wireframe-layout--plan {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c1-wireframes-heading-text,
  .c1-wireframe-text {
    max-width: none;
  }

  .c1-wireframe-list--side {
    margin-top: 0;
    max-width: none;
  }

  .c1-plan-wireframe-grid,
  .c1-two-wireframe-row,
  .c1-brand-system-grid {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .c1-plan-wireframe-grid img,
  .c1-two-wireframe-row img {
    height: auto;
  }

  .c1-brand-system-card {
    max-width: none;
  }

  .c1-brand-system-card img {
    max-height: none;
  }
}

@media (max-width: 768px) {
  .c1-wireframes-block,
  .c1-brand-block {
    margin-top: 5rem;
  }

  .c1-wireframe-layout {
    margin-top: 5rem;
  }

  .c1-wireframes-heading-row {
    margin-bottom: 1rem;
  }
}

/* ================================
   Final Prototype Demo Section
================================ */

.c1-final-demo-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(192, 214, 223, 0.5);
  padding: 5rem 5rem 5.5rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;
}

.c1-final-demo-layout {
  max-width: 1200px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: center;
}

.c1-final-demo-text {
  max-width: 420px;
}

.cs-sub-heading.c1-final-demo-title {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0 0 2rem;

  color: #E07A5F;
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
}

/* black background around mp4 */
.c1-final-demo-video-wrap {
  width: fit-content;
  background: #000000;
  padding: 1.5rem;
  border-radius: 2rem;

  display: flex;
  justify-content: center;
  align-items: center;

  box-shadow: 0 16px 36px rgba(47, 42, 38, 0.18);
}

/* actual mp4 */
.c1-final-demo-video {
  width: 280px;
  height: auto;
  display: block;
  border-radius: 1.2rem;
}

/* put video to the right */
.c1-final-demo-video-area {
  display: flex;
  justify-content: center;
  align-items: center;
}


/* ================================
   High-Fidelity Section Background
================================ */

.c1-hifi-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 5rem 5rem 6rem;
  box-sizing: border-box;
  margin-top: 0rem;
}

.c1-hifi-bg-cream {
  background: rgba(244, 241, 222, 0.55);
}


/* ================================
   High-Fidelity Prototype Heading
================================ */

.c1-hifi-heading-row {
  display: grid;
  grid-template-columns: 1.8fr 0.75fr;
  align-items: start;

  max-width: 1200px;
  margin: 0 auto 0rem;
}

.c1-hifi-heading-text {
  max-width: 360px;
}

.c1-hifi-heading-text .c1-prototype-subtitle {
  margin: 0;
}


/* ================================
   High-Fidelity Prototype - Shared
================================ */

.c1-hifi-block {
  margin-top: 0;
}

.c1-hifi-screen-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 3rem;
}

.c1-hifi-feature-layout {
  display: grid;
  grid-template-columns: 500px 1fr;
  gap: 2.5rem;
  align-items: center;

  max-width: 1120px;
  margin: 0 auto;
}

.c1-hifi-screen-image {
  margin: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/* Home screen image pair */
.c1-hifi-home-images {
  gap: 2rem;
}

.c1-hifi-mockup-image {
  width: 100%;
  max-width: 200px;
  height: auto;
  display: block;
}

.c1-hifi-phone-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
}

.c1-hifi-description {
  max-width: 560px;
}

.c1-hifi-description-item {
  margin-bottom: 2.2rem;
}

.c1-hifi-description-item:last-child {
  margin-bottom: 0;
}

.c1-hifi-description-item h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.45rem;
}

.c1-hifi-description-item p {
  font-size: 0.98rem;
  line-height: 1.65;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}


/* ================================
   Responsive
================================ */

@media (max-width: 1024px) {
  .c1-hifi-section {
    padding: 4rem 2rem 5rem;
    margin-top: 5rem;
  }

  .c1-hifi-heading-row {
    grid-template-columns: 1fr;
    margin-bottom: 3rem;
  }

  .c1-hifi-heading-text {
    max-width: none;
  }
}

@media (max-width: 900px) {
  .c1-hifi-feature-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 640px;
  }

  .c1-hifi-screen-image {
    justify-content: center;
  }

  .c1-hifi-screen-image img {
    max-width: 340px;
  }

  .c1-hifi-description {
    max-width: none;
  }
}

@media (max-width: 600px) {
  .c1-hifi-section {
    padding: 3.5rem 1.5rem 4.5rem;
  }

  .c1-hifi-screen-title {
    margin-bottom: 2rem;
  }

  .c1-hifi-description-item {
    margin-bottom: 1.8rem;
  }
}

@media (max-width: 900px) {
  .c1-hifi-home-images {
    justify-content: center;
    gap: 0.8rem;
  }

  .c1-hifi-mockup-image {
    max-width: 140px;
  }

  .c1-hifi-phone-image {
    max-width: 260px;
  }
}

@media (max-width: 600px) {
  .c1-hifi-home-images {
    flex-direction: column;
  }

  .c1-hifi-mockup-image {
    max-width: 220px;
  }

  .c1-hifi-phone-image {
    max-width: 280px;
  }
}





/* ================================
   High-Fidelity Background Colors
================================ */

.c1-hifi-bg-coral {
  background: rgba(192, 214, 223, 0.5);
}


/* ================================
   High-Fidelity - Plan My Day Overview
================================ */

.c1-hifi-plan-overview-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(192, 214, 223, 0.5);
  padding: 3.5rem 4rem 3.8rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;

  overflow-x: hidden;
}

.c1-hifi-plan-overview-layout {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 420px minmax(0, 1fr);
  gap: 3.5rem;
  align-items: start;
}

.c1-hifi-plan-overview-text {
  max-width: 420px;
  min-width: 0;
}

.c1-hifi-plan-overview-text .c1-hifi-screen-title {
  margin: 0 0 0.5rem;
}

.c1-hifi-plan-overview-intro {
  font-size: 1rem;
  line-height: 1.55;
  color: #2f2a26;
  margin: 0 0 2rem;
  max-width: none;
}

.c1-hifi-plan-overview-text .c1-hifi-description-item:first-of-type {
  margin-top: 0.6rem;
}

.c1-hifi-plan-overview-text .c1-hifi-description-item {
  margin-bottom: 2rem;
}

.c1-hifi-plan-overview-text .c1-hifi-description-item:last-child {
  margin-bottom: 0;
}

.c1-hifi-plan-overview-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.35rem;
}

.c1-hifi-plan-overview-text p {
  font-size: 0.98rem;
  line-height: 1.58;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* Right image */
.c1-hifi-plan-overview-image {
  margin: 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.c1-hifi-plan-overview-image img {
  width: 100%;
  max-width: 700px;
  height: auto;
  display: block;
}

/* Responsive */
@media (max-width: 1050px) {
  .c1-hifi-plan-overview-layout {
    grid-template-columns: 380px minmax(0, 1fr);
    gap: 2.5rem;
  }

  .c1-hifi-plan-overview-image img {
    max-width: 600px;
  }
}

@media (max-width: 900px) {
  .c1-hifi-plan-overview-section {
    padding: 3.5rem 2rem;
  }

  .c1-hifi-plan-overview-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 720px;
  }

  .c1-hifi-plan-overview-text {
    max-width: none;
  }

  .c1-hifi-plan-overview-image {
    justify-content: center;
  }

  .c1-hifi-plan-overview-image img {
    max-width: 680px;
  }
}

@media (max-width: 600px) {
  .c1-hifi-plan-overview-section {
    padding: 3rem 1.5rem;
  }

  .c1-hifi-plan-overview-text .c1-hifi-description-item {
    margin-bottom: 1.6rem;
  }
}

/* ================================
   High-Fidelity - Interests & Mood
================================ */


.c1-hifi-interest-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(244, 241, 222, 0.55);
  padding: 2.5rem 3rem 2.5rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;

  overflow-x: hidden;
}

.c1-hifi-interest-layout {
  width: 100%;
  max-width: 1550px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 300px minmax(680px, 1fr) 330px;
  gap: 1.8rem;
  align-items: center;
}

.c1-hifi-interest-image {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.c1-hifi-interest-image img {
  width: 100%;
  max-width: 820px;
  height: auto;
  display: block;
}

.c1-hifi-interest-text {
  min-width: 0;
}

.c1-hifi-interest-text .c1-hifi-description-item {
  margin-bottom: 2rem;
}

.c1-hifi-interest-text .c1-hifi-description-item:last-child {
  margin-bottom: 0;
}

.c1-hifi-interest-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.4rem;
}

.c1-hifi-interest-text p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* Optional positioning */
.c1-hifi-interest-text--left {
  transform: translateY(0.5rem);
}

.c1-hifi-interest-text--right {
  transform: translateY(-0.2rem);
}

/* ================================
   Responsive
================================ */

@media (max-width: 1050px) {
  .c1-hifi-interest-layout {
    grid-template-columns: 220px minmax(360px, 1fr) 240px;
    gap: 1.6rem;
  }

  .c1-hifi-interest-image img {
    max-width: 500px;
  }

  .c1-hifi-interest-text p {
    font-size: 0.88rem;
  }
}

@media (max-width: 900px) {
  .c1-hifi-interest-section {
    padding: 3.5rem 2rem;
  }

  .c1-hifi-interest-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 640px;
  }

  .c1-hifi-interest-image {
    order: 1;
  }

  .c1-hifi-interest-text--right {
    order: 2;
  }

  .c1-hifi-interest-text--left {
    order: 3;
  }

  .c1-hifi-interest-text--left,
  .c1-hifi-interest-text--right {
    transform: none;
  }

  .c1-hifi-interest-image img {
    max-width: 560px;
  }
}

@media (max-width: 600px) {
  .c1-hifi-interest-section {
    padding: 3rem 1.5rem;
  }

  .c1-hifi-interest-text .c1-hifi-description-item {
    margin-bottom: 1.6rem;
  }
}



/* ================================
   High-Fidelity - My Plan
================================ */

.c1-hifi-myplan-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(192, 214, 223, 0.5);
  padding: 3.5rem 4rem 3.8rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;

  overflow-x: hidden;
}

.c1-hifi-myplan-layout {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: center;
}

.c1-hifi-myplan-text {
  max-width: 520px;
  min-width: 0;
}

.c1-hifi-myplan-text .c1-hifi-screen-title {
  margin: 0 0 0.7rem;
}

.c1-hifi-myplan-intro {
  font-size: 1rem;
  line-height: 1.6;
  color: #2f2a26;
  margin: 0 0 2rem;
  max-width: none;
}

.c1-hifi-myplan-text .c1-hifi-description-item {
  margin-bottom: 1.7rem;
}

.c1-hifi-myplan-text .c1-hifi-description-item:last-child {
  margin-bottom: 0;
}

.c1-hifi-myplan-text h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.35rem;
}

.c1-hifi-myplan-text p {
  font-size: 0.96rem;
  line-height: 1.58;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* Right image */
.c1-hifi-myplan-image {
  margin: 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.c1-hifi-myplan-image img {
  width: 100%;
  max-width: 660px;
  height: auto;
  display: block;
}

/* ================================
   Responsive
================================ */

@media (max-width: 1050px) {
  .c1-hifi-myplan-layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.4rem;
  }

  .c1-hifi-myplan-image img {
    max-width: 620px;
  }

  .c1-hifi-myplan-text {
    max-width: 500px;
  }
}

@media (max-width: 900px) {
  .c1-hifi-myplan-section {
    padding: 3.5rem 2rem;
  }

  .c1-hifi-myplan-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 720px;
  }

  .c1-hifi-myplan-text {
    max-width: none;
  }

  .c1-hifi-myplan-image {
    justify-content: center;
  }

  .c1-hifi-myplan-image img {
    max-width: 680px;
  }
}

@media (max-width: 600px) {
  .c1-hifi-myplan-section {
    padding: 3rem 1.5rem;
  }

  .c1-hifi-myplan-text .c1-hifi-description-item {
    margin-bottom: 1.45rem;
  }

  .c1-hifi-myplan-image img {
    max-width: 100%;
  }
}





/* ================================
   High-Fidelity - Add a Stop
================================ */

.c1-hifi-addstop-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(244, 241, 222, 0.55);
  padding: 3.5rem 4rem 3.8rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;

  overflow-x: hidden;
}

.c1-hifi-addstop-layout {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

/* Left image */
.c1-hifi-addstop-image {
  margin: 0;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.c1-hifi-addstop-image img {
  width: 100%;
  max-width: 620px;
  height: auto;
  display: block;
}

/* Right text */
.c1-hifi-addstop-text {
  max-width: 560px;
  min-width: 0;
}

.c1-hifi-addstop-text .c1-hifi-screen-title {
  margin: 0 0 2.4rem;
}

.c1-hifi-addstop-text .c1-hifi-description-item {
  margin-bottom: 2.2rem;
}

.c1-hifi-addstop-text .c1-hifi-description-item:last-child {
  margin-bottom: 0;
}

.c1-hifi-addstop-text h4 {
  font-size: 1.12rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.4rem;
}

.c1-hifi-addstop-text p {
  font-size: 1rem;
  line-height: 1.6;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* ================================
   Responsive
================================ */

@media (max-width: 1050px) {
  .c1-hifi-addstop-layout {
    grid-template-columns: 1fr 0.95fr;
    gap: 2.4rem;
  }

  .c1-hifi-addstop-image img {
    max-width: 560px;
  }
}

@media (max-width: 900px) {
  .c1-hifi-addstop-section {
    padding: 3.5rem 2rem;
  }

  .c1-hifi-addstop-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 720px;
  }

  .c1-hifi-addstop-image {
    justify-content: center;
  }

  .c1-hifi-addstop-image img {
    max-width: 680px;
  }

  .c1-hifi-addstop-text {
    max-width: none;
  }
}

@media (max-width: 600px) {
  .c1-hifi-addstop-section {
    padding: 3rem 1.5rem;
  }

  .c1-hifi-addstop-text .c1-hifi-screen-title {
    margin-bottom: 2rem;
  }

  .c1-hifi-addstop-text .c1-hifi-description-item {
    margin-bottom: 1.7rem;
  }

  .c1-hifi-addstop-image img {
    max-width: 100%;
  }
}




/* ================================
   High-Fidelity - Saved Plans & My Spots
================================ */

.c1-hifi-saved-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: rgba(192, 214, 223, 0.5);
  padding: 3.5rem 4rem 4rem;
  box-sizing: border-box;
  margin-top: 0;
  margin-bottom: 0;

  overflow-x: hidden;
}

.c1-hifi-saved-layout {
  width: 100%;
  max-width: 1250px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.c1-hifi-saved-column {
  min-width: 0;
}

.c1-hifi-saved-text {
  min-height: 210px;
  padding: 0rem 1.4rem;
 
  box-sizing: border-box;
}

.c1-hifi-saved-text h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.45rem;
}

.c1-hifi-saved-text p {
  font-size: 1rem;
  line-height: 1.55;
  color: #2f2a26;
  margin: 0 0 0rem;
  max-width: none;
}

.c1-hifi-saved-text p:last-child {
  margin-bottom: 0;
}

.c1-hifi-saved-image {
  margin: 0rem 0 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.c1-hifi-saved-image img {
  width: 100%;
  height: auto;
  display: block;
}
  
  /* Individual image sizes */
.c1-hifi-saved-image--spots img {
  max-width: 500px;
}

.c1-hifi-saved-image--plans img {
  max-width: 380px;
}


/* ================================
   Responsive
================================ */

@media (max-width: 900px) {
  .c1-hifi-saved-section {
    padding: 3.5rem 2rem;
  }

  .c1-hifi-saved-layout {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    max-width: 680px;
  }

  .c1-hifi-saved-text {
    min-height: auto;
  }

  .c1-hifi-saved-image img {
    max-width: 620px;
  }
}

@media (max-width: 600px) {
  .c1-hifi-saved-section {
    padding: 3rem 1.5rem;
  }

  .c1-hifi-saved-text {
    padding: 1.1rem;
  }

  .c1-hifi-saved-text h3 {
    font-size: 1.2rem;
  }

  .c1-hifi-saved-text p {
    font-size: 0.95rem;
  }
}





/* ================================
   Testing Header
================================ */

.c1-usability-banner {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  background: #E4B667;
  padding: 3rem 0;
  margin: 0rem 0 4rem;
}

.c1-usability-banner .c1-process-header {
  width: fit-content;
  margin-left: auto;
  margin-right: 10rem;

  display: flex;
  align-items: center;
  gap: 1rem;
}

.c1-usability-banner .c1-process-header h3 {
  color: #ffffff;
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
}

.c1-usability-banner .c1-process-header img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 999px;
  padding: 0.35rem;
}

/* ================================
   Usability Testing Section
================================ */

.c1-usability-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 0 5rem 6rem;
  box-sizing: border-box;
  margin-top: 0;
}

/* Top layout */
.c1-usability-overview {
  max-width: 1200px;
  margin: 0 auto 4rem;

  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  gap: 3rem;
  align-items: start;
}

.c1-usability-intro {
  max-width: 760px;
}

.c1-usability-intro p {
  font-size: 1rem;
  line-height: 1.75;
  color: #2f2a26;
  margin: 0 0 1.2rem;
  max-width: none;
}

.c1-usability-intro p:last-child {
  margin-bottom: 0;
}

/* SUS score card */
.c1-usability-sus-card {
  background: #4F6D7A;
  color: #E4B667;
  padding: 2rem;
  min-height: 260px;

  display: flex;
  flex-direction: column;
  justify-content: center;

  box-shadow: 0 12px 28px rgba(47, 42, 38, 0.12);
}

.c1-usability-sus-card span {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 1rem;
}

.c1-usability-sus-card strong {
  font-size: 5rem;
  font-weight: 700;
  line-height: 1;
  color: #F4F1DE;
  margin-bottom: 1.1rem;
}

.c1-usability-sus-card p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
  max-width: none;
}

/* ================================
   Core Tasks
================================ */

.c1-usability-tasks {
  max-width: 1200px;
  margin: 0 auto 4.5rem;
}

.c1-usability-tasks h4 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 1.4rem;
}

.c1-usability-task-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.c1-usability-task-card {
  background: #F4F1DE;
  border: none;
  padding: 1.4rem;
  min-height: 100px;

  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.c1-usability-task-card span {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  color: #4F6D7A;
  margin-bottom: 0rem;
}

.c1-usability-task-card p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: #2f2a26;
  margin: 0;
  max-width: none;
}

/* ================================
   Findings
================================ */

.c1-usability-findings {
  max-width: 1200px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.c1-usability-finding-column h4 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 1.4rem;
}

.c1-usability-finding-card {
  background: #ffffff;
  padding: 1.45rem 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(47, 42, 38, 0.08);
  box-shadow: 0 8px 20px rgba(47, 42, 38, 0.05);
}

.c1-usability-finding-card:last-child {
  margin-bottom: 0;
}

.c1-usability-finding-card--positive {
  border-left: 4px solid #4F6D7A;
}

.c1-usability-finding-card--issue {
  border-left: 4px solid #E07A5F;
}

.c1-usability-finding-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.6rem;
}

.c1-usability-finding-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

/* ================================
   Responsive
================================ */

@media (max-width: 1024px) {
  .c1-usability-section {
    padding: 0 3rem 5rem;
  }

  .c1-usability-overview {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c1-usability-sus-card {
    max-width: 420px;
  }

  .c1-usability-task-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .c1-usability-findings {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .c1-usability-banner {
    margin: 5rem 0 3rem;
    padding: 2.5rem 0;
  }

  .c1-usability-banner .c1-process-header {
    margin-left: auto;
    margin-right: 1.5rem;
  }

  .c1-usability-banner .c1-process-header img {
    width: 80px;
    height: 80px;
  }

  .c1-usability-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }

  .c1-usability-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 0 1.5rem 4.5rem;
  }

  .c1-usability-task-grid {
    grid-template-columns: 1fr;
  }

  .c1-usability-sus-card strong {
    font-size: 4rem;
  }
}



/* ================================
   Reflection & Takeaways
================================ */

.c1-reflection-section {
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);

  padding: 6rem 5rem 7rem;
  box-sizing: border-box;
  background: rgba(244, 241, 222, 0.55);
  margin-top: 0;
}

.c1-reflection-header {
  max-width: 1200px;
  margin: 0 auto 2.5rem;
}

.cs-sub-heading.c1-reflection-subtitle {
  text-align: left;
  width: auto;
  position: static;
  left: auto;
  transform: none;
  padding: 0;
  margin: 0;

  color: var(--c1-coral);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.c1-reflection-layout {
  max-width: 1200px;
  margin: 0 auto;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: stretch;
}

/* Left column */
.c1-reflection-column {
  background: #ffffff;
  padding: 2.4rem;
  box-shadow: 0 10px 24px rgba(47, 42, 38, 0.06);
}

.c1-reflection-column h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 1.8rem;
}

.c1-reflection-card {
  border-left: 4px solid var(--c1-coral);
  padding-left: 1.2rem;
  margin-bottom: 1.8rem;
}

.c1-reflection-card:last-child {
  margin-bottom: 0;
}

.c1-reflection-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #2f2a26;
  margin: 0 0 0.45rem;
}

.c1-reflection-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: #5a5450;
  margin: 0;
  max-width: none;
}

/* Right column */
.c1-reflection-column--dark {
  background: var(--c1-teal);
  color: #ffffff;
}

.c1-reflection-column--dark h3 {
  color: #F4F1DE;
}

.c1-reflection-takeaway {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.c1-reflection-takeaway span {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  color: #F4F1DE;
  opacity: 0.9;
}

.c1-reflection-takeaway p {
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  margin: 0;
  max-width: none;
}

.c1-reflection-next {
  margin-top: 2rem;
  padding: 1.4rem;
  background: rgba(244, 241, 222, 0.16);
}

.c1-reflection-next h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #F4F1DE;
  margin: 0 0 0.55rem;
}

.c1-reflection-next p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  margin: 0;
  max-width: none;
}

/* Responsive */
@media (max-width: 900px) {
  .c1-reflection-section {
    padding: 4.5rem 2rem 5rem;
  }

  .c1-reflection-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .c1-reflection-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 4rem 1.5rem;
  }

  .c1-reflection-column {
    padding: 1.6rem;
  }

  .c1-reflection-takeaway {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}


/* MEASURE ROWS (outcome section) */

.c1-measure-row {

  display: flex;

  align-items: center;

  gap: 0.85rem;

  font-size: 0.88rem;

  line-height: 1.5;

  color: var(--c1-ink-mid);

  padding: 0.6rem 0;

  border-bottom: 1px solid var(--c1-border);

}



.c1-measure-status {

  font-size: 0.7rem;

  font-weight: 700;

  letter-spacing: 0.05em;

  padding: 0.2rem 0.55rem;

  border-radius: 2px;

  white-space: nowrap;

  flex-shrink: 0;

}



.c1-met     { background: rgba(79,109,122,0.12); color: var(--c1-teal); }

.c1-partial { background: rgba(192,214,223,0.4); color: #4a7a90;        }



/* IMAGE BLOCKS */

.cs-image-block {

  margin: 2.5rem auto;

  text-align: center;

}



.cs-image-block img {

  width: 100%;

  height: auto;

  display: block;

}



.cs-image-block figcaption {

  font-size: 0.78rem;

  color: var(--c1-ink-muted);

  margin-top: 0.6rem;

  text-align: center;

  letter-spacing: 0.02em;

}



.cs-image-block.large  { max-width: 1000px; }

.cs-image-block.medium { max-width: 700px;  }

.cs-image-block.small  { max-width: 400px;  }



.cs-expandable-image {

  cursor: zoom-in;

  pointer-events: auto;

  transition: opacity 0.2s ease;

}



.cs-expandable-image:hover { opacity: 0.88; }



/* LIGHTBOX */

.cs-lightbox {

  position: fixed;

  inset: 0;

  background: rgba(0,0,0,0.86);

  display: flex;

  align-items: center;

  justify-content: center;

  opacity: 0;

  visibility: hidden;

  transition: all 0.25s ease;

  z-index: 9999;

  cursor: zoom-out;

}



.cs-lightbox.active {

  opacity: 1;

  visibility: visible;

}



.cs-lightbox img {

  max-width: 90vw;

  max-height: 90vh;

  width: auto;

  height: auto;

  display: block;

  object-fit: contain;

}





.cs-section .cs-sub-heading {
  font-size: 1.5rem;
  font-weight: 700;
}

/* ================================================================
   MOBILE RESPONSIVE — Added for small screens (max-width: 768px)
   These rules patch gaps in the existing responsive coverage.
================================================================ */

/* --------------------------------
   Header / Nav
-------------------------------- */
@media (max-width: 768px) {
  .custom-header {
    flex-wrap: wrap;
    padding: 0.9rem 1.2rem;
    gap: 0.75rem;
  }

  .custom-header .logo img {
    height: 36px;
    width: auto;
  }

  .custom-header .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    font-size: 0.82rem;
  }

  .custom-header .nav a {
    padding: 0.25rem 0;
  }
}


/* --------------------------------
   Hero image
-------------------------------- */
@media (max-width: 768px) {
  .cs-hero-image {
    padding: 0 1rem;
    margin-top: 1.5rem;
  }

  .cs-hero-image img {
    height: 220px;
  }
}


/* --------------------------------
   Cover section (two-column → single column)
-------------------------------- */
@media (max-width: 768px) {
  .cs-cover {
    padding: 2.5rem 1.2rem 2rem;
  }

  .cs-cover-split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Stack: title first, info below */
  .cs-cover-main {
    order: 1;
  }

  .cs-cover-info {
    order: 2;
    gap: 1.4rem;
  }

  .cs-cover-title {
    font-size: 2.4rem;
    margin-bottom: 1.2rem;
  }

  .cs-cover-case {
    font-size: 1.1rem;
  }

  .cs-cover-subtitle {
    font-size: 0.96rem;
  }

  .cs-prototype-btn {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }
}


/* --------------------------------
   Body padding
-------------------------------- */
@media (max-width: 768px) {
  .cs-body {
    padding: 0 1.2rem 4rem;
  }
}


/* --------------------------------
   "How I Reached the Solution" section
-------------------------------- */
@media (max-width: 768px) {
  .c1-solution-section {
    margin-top: 4rem;
  }

  .c1-solution-title {
    font-size: 1.45rem;
    left: 0;
    transform: none;
    white-space: normal;
    text-align: left;
  }
}


/* --------------------------------
   Process image (full-bleed oversize)
-------------------------------- */
@media (max-width: 768px) {
  .cs-image-block.c1-process-image {
    width: 100%;
    left: 0;
    transform: none;
    margin-bottom: 2.5rem;
    overflow-x: auto;
  }
}


/* --------------------------------
   Research banner
-------------------------------- */
@media (max-width: 768px) {
  .c1-research-banner {
    padding: 2rem 0;
    margin: 3rem 0 2rem;
  }

  .c1-research-banner .c1-process-header {
    margin-left: 1.2rem;
    margin-right: 1.2rem;
  }

  .c1-research-banner .c1-process-header img {
    width: 64px;
    height: 64px;
  }

  .c1-research-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }
}


/* --------------------------------
   Search icon decoration (too large/offset on mobile)
-------------------------------- */
@media (max-width: 768px) {
  .c1-search-icon {
    width: 100px;
    margin-left: 0;
    margin-top: 1.5rem;
  }
}


/* --------------------------------
   Interview section
-------------------------------- */
@media (max-width: 768px) {
  .c1-interview-section {
    width: 100%;
    left: auto;
    transform: none;
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0;
    margin-top: 3rem;
  }

  .c1-interview-findings {
    order: 1;
  }

  .c1-interview-text {
    order: 2;
    max-width: none;
  }

  .c1-interview-icon {
    width: 130px;
    margin-top: 2rem;
    margin-left: 0;
  }
}


/* --------------------------------
   Competitive analysis large top margin
-------------------------------- */
@media (max-width: 768px) {
  .c1-competitive-analysis {
    margin-top: 3rem;
  }

  .c1-competitive-image {
    width: 120px;
    margin-left: 0;
    margin-top: 2rem;
  }
}


/* --------------------------------
   Synthesis banner
-------------------------------- */
@media (max-width: 768px) {
  .c1-synthesis-banner .c1-process-header {
    margin-left: 1.2rem;
    margin-right: 1.2rem;
  }

  .c1-synthesis-banner .c1-process-header img {
    width: 72px;
    height: 72px;
  }

  .c1-synthesis-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }
}


/* --------------------------------
   UNA / Design Opportunities cards grid
-------------------------------- */
@media (max-width: 768px) {
  .c1-una-section {
    margin-top: 3rem;
  }

  .c1-design-opportunity-section {
    margin-top: 3.5rem;
  }
}


/* --------------------------------
   Define banner icon sizes
-------------------------------- */
@media (max-width: 480px) {
  .c1-define-banner .c1-process-header {
    gap: 0.75rem;
  }
}


/* --------------------------------
   Use-case icon
-------------------------------- */
@media (max-width: 768px) {
  .c1-usecase-icon {
    width: 110px;
    margin-top: 1.5rem;
    margin-left: 0;
  }
}


/* --------------------------------
   Key screens grid (5-col → 2-col on mid, 1-col on small)
-------------------------------- */
@media (max-width: 480px) {
  .c1-key-screen-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .c1-key-screen-card {
    min-height: 160px;
  }
}


/* --------------------------------
   Sketch grid
-------------------------------- */
@media (max-width: 768px) {
  .c1-sketch-grid {
    grid-template-columns: 1fr;
  }
}


/* --------------------------------
   Final prototype demo section
-------------------------------- */
@media (max-width: 768px) {
  .c1-final-demo-section {
    padding: 3rem 1.2rem;
  }

  .c1-final-demo-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .c1-final-demo-text {
    max-width: none;
  }

  .cs-sub-heading.c1-final-demo-title {
    font-size: 2rem;
    margin-bottom: 1.2rem;
  }

  .c1-final-demo-video {
    width: 220px;
  }
}


/* --------------------------------
   Hi-Fi section full-bleed fixes
-------------------------------- */
@media (max-width: 768px) {
  .c1-hifi-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 3rem 1.2rem 4rem;
    margin-top: 0;
  }

  .c1-hifi-plan-overview-section,
  .c1-hifi-interest-section,
  .c1-hifi-myplan-section,
  .c1-hifi-addstop-section,
  .c1-hifi-saved-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 2.5rem 1.2rem;
  }

  .c1-hifi-screen-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
  }
}


/* --------------------------------
   Usability section
-------------------------------- */
@media (max-width: 768px) {
  .c1-usability-section {
    padding: 0 1.2rem 4rem;
  }

  .c1-usability-banner {
    width: 100vw;
  }
}


/* --------------------------------
   Reflection section
-------------------------------- */
@media (max-width: 480px) {
  .c1-reflection-section {
    width: 100%;
    left: auto;
    transform: none;
    padding: 3rem 1.2rem 4rem;
  }
}


/* --------------------------------
   Section title font scaling
-------------------------------- */
@media (max-width: 480px) {
  .cs-cover-title {
    font-size: 2rem;
  }

  .c1-solution-title {
    font-size: 1.3rem;
  }

  .cs-section-title {
    font-size: 1.25rem;
  }
}


/* --------------------------------
   General: prevent any full-bleed 100vw element from
   causing horizontal overflow on mobile
-------------------------------- */
@media (max-width: 768px) {
  .c1-background-research,
  .c1-interview-section,
  .c1-competitive-analysis,
  .c1-competitive-bottom,
  .c1-synthesis-section,
  .c1-define-section,
  .c1-prototype-section,
  .c1-usability-section,
  .c1-reflection-section,
  .c1-final-demo-section,
  .c1-hifi-section,
  .c1-hifi-plan-overview-section,
  .c1-hifi-interest-section,
  .c1-hifi-myplan-section,
  .c1-hifi-addstop-section,
  .c1-hifi-saved-section {
    /* Reset the 100vw full-bleed trick that causes overflow */
    max-width: 100%;
    box-sizing: border-box;
  }
}



/* ================================================================
   MOBILE FIXES — Round 2
================================================================ */

/* ----------------------------------------------------------------
   1. Background Research icon — smaller, centered
---------------------------------------------------------------- */

@media (max-width: 768px) {
  .c1-search-icon {
    width: 80px;
    margin-left: auto;
    margin-right: 1.5rem;
    margin-top: 1.5rem;
    display: block;
  }
}


/* ----------------------------------------------------------------
   2. Interview icon — smaller, centered, findings BELOW icon
      On mobile: text (title+paragraph) first, then icon centered,
      then key findings cards
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .c1-interview-section {
    /* override previous rule — use flex column instead of grid */
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  /* interview text (title + paragraph) — order 1 */
  .c1-interview-text {
    order: 1;
    max-width: none;
    margin-bottom: 1.5rem;
  }

  /* icon lives inside .c1-interview-text; center it */
  .c1-interview-icon {
    width: 80px;
    margin: 1.2rem auto 0;
    margin-left: auto;
    margin-right: 1.5rem;
    display: block;
    transform: none;
  }

  /* key findings — order 2, comes below icon */
  .c1-interview-findings {
    order: 2;
    margin-top: 1.5rem;
  }
}


/* ----------------------------------------------------------------
   3. Competitive Analysis illustration icon — smaller, centered
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .c1-competitive-image {
    width: 80px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1.5rem;
    display: block;
    transform: none;
  }
}


/* ----------------------------------------------------------------
   4. Synthesis banner icon — centered (currently left-aligned)
      The .c1-synthesis-banner uses margin-left: 9rem on desktop.
      On mobile reset to auto so it centers.
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .c1-synthesis-banner .c1-process-header {
    margin-left: auto;
    margin-right: auto;
    padding: 0 1.2rem;
    justify-content: center;
  }

  .c1-synthesis-banner .c1-process-header img {
    width: 64px;
    height: 64px;
  }

  .c1-synthesis-banner .c1-process-header h3 {
    font-size: 1.6rem;
  }
}


/* ----------------------------------------------------------------
   5. Journey Map carousel — arrows must not overlap the image.
      Move arrows to sit ABOVE the track as prev/next buttons,
      or push the track inward enough. The simplest fix: give the
      carousel padding-top for the arrows and position them at top.
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .c1-journey-carousel {
    padding: 3rem 0 0;   /* room at top for arrows */
  }

  .c1-journey-arrow {
    top: 0;
    transform: none;
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  /* keep them at left/right of that top strip */
  .c1-journey-arrow--left  { left: 0; }
  .c1-journey-arrow--right { right: 0; }

  /* arrows hover/active: override transform from base rules */
  .c1-journey-arrow:hover,
  .c1-journey-arrow:focus,
  .c1-journey-arrow:active {
    transform: none;
  }
}


/* ----------------------------------------------------------------
   6. Wireframe carousel — same arrow-overlap fix
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .c1-wireframe-carousel {
    padding: 3rem 0 0;
  }

  .c1-wireframe-arrow {
    top: 0;
    transform: none;
    width: 36px;
    height: 36px;
    font-size: 1rem;
  }

  .c1-wireframe-arrow--left  { left: 0; }
  .c1-wireframe-arrow--right { right: 0; }

  .c1-wireframe-arrow:hover,
  .c1-wireframe-arrow:focus,
  .c1-wireframe-arrow:active {
    transform: none;
  }
}


/* ----------------------------------------------------------------
   7. Hi-Fi Home Screen — images below explanation, horizontal row
      The current layout has image on LEFT, description on RIGHT.
      On mobile we want: description first, then images side-by-side.
---------------------------------------------------------------- */
@media (max-width: 768px) {
  /* Stack the two-column grid to single column */
  .c1-hifi-home-block .c1-hifi-feature-layout {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }

  /* Description goes first */
  .c1-hifi-home-block .c1-hifi-description {
    order: 1;
  }

  /* Image pair goes second */
  .c1-hifi-home-block .c1-hifi-screen-image {
    order: 2;
  }

  /* Keep the two images side by side (horizontal row) */
  .c1-hifi-home-images {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-end;
    justify-content: center;
    gap: 1rem;
    flex-wrap: nowrap;
  }

  /* Scale down so both fit on screen */
  .c1-hifi-mockup-image {
    max-width: 100px;
    width: 30%;
  }

  .c1-hifi-phone-image {
    max-width: 180px;
    width: 55%;
  }
}