:root {
    --color-bg: #f9fafb;
    --color-bg-alt: #ffffff;
    --color-bg-muted: #f3f4f6;
    --color-bg-impact-muted: #232323;
    --color-accent-impact-soft: #e5e7eb;
    --color-border: #e5e7eb;
    --color-text: #111827;
    --color-text-muted: #4b5563;
    --color-accent: #111827;
    --color-accent-soft: #e5e7eb;
  
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
      sans-serif;
  
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
  
    --shadow-soft: 0 10px 30px rgba(15, 23, 42, 0.08);
  
    --page-max-width: 1080px;
  
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
  }
  
  /* GLOBAL RESET-ish */
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    font-weight: 300;
    font-size: 1.1em;
    font-style: normal;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
  }

  .wrapper {
    width: 100%;
    min-width: 100%;
  }
  
  img {
    max-width: 100%;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
  }
  
  p {
    margin: 0 0 var(--space-md);
  }
  
  h1,
  h2,
  h3,
  h4 {
    font-family: "PT Sans", sans-serif;
    margin: 0 0 var(--space-sm);
    line-height: 1.2;
  }
  
  /* ACCESSIBILITY */
  
  .skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--color-accent);
    color: #fff;
    padding: var(--space-xs) var(--space-md);
    z-index: 1000;
  }
  
  .skip-link:focus {
    left: var(--space-md);
  }
  
  /* LAYOUT WRAPPERS */
  
  .page {
    max-width: var(--page-max-width);
    margin: 0 auto;
    /* padding: var(--space-xl) var(--space-md) var(--space-2xl); */
  }
  
  /* HEADER */
  
  .site-header {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
  }
  
  .site-header__inner {
    max-width: var(--page-max-width);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
  }
  
  .brand__link {
    font-weight: 600;
    letter-spacing: 0.04em;
  }
  
  /* NAV */
  
  .site-nav {
    display: none;
  }
  
  .site-nav__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: var(--space-lg);
  }
  
  .site-nav__list a {
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }
  
  .site-nav__list a:hover {
    color: var(--color-text);
  }
  
  /* NAV TOGGLE (MOBILE) */
  
  .nav-toggle {
    border: 1px solid var(--color-border);
    background: var(--color-bg-alt);
    border-radius: 999px;
    padding: 0.4rem 0.55rem;
    display: inline-flex;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
  }
  
  .nav-toggle__line {
    width: 18px;
    height: 2px;
    background: var(--color-text);
    border-radius: 999px;
  }
  
  /* HERO */
  
  .hero {
    background-color: #53416A;
    position: relative;
    display: grid;
    width: 100%;
    min-height: 40vh;
    margin-bottom: 5em;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    /* padding: 2em 0.5em; */
    /* grid-template-columns: minmax(0, 2fr); */
    grid-template-columns: 0 3fr;
    gap: var(--space-xl);
    /* margin-top: var(--space-xl); */
    /* background-image: url(../images/hero.png);
    background-position: center right;
    background-repeat: no-repeat;
    background-size: 600px; */
  }

  .hero__text {
    font-family: "PT Sans" sans-serif;
    margin: auto;
    margin-left: 4em;
    color: #2FFE86;
  }

  .hero__text h1, .hero__text h2 {
    margin: 0;
  }
  
  .hero__image {
    position: absolute;
    height: 130%;
    max-height: 130%;
    top: -5%;
    right: 7%;
  }

  .hero__eyebrow {
    color: #fff;
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 400;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-xs);
  }
  
  .hero__subtitle {
    font-family: "PT Sans" sans-serif;
    color: #fff;
    font-size: 3rem;
    letter-spacing: -0.1rem;
  }
  
  .hero__meta {
    display: grid;
    gap: var(--space-lg);
  }
  
  .meta-group__title {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
  }
  
  .meta-group__body {
    margin-top: var(--space-xs);
    font-size: 0.95rem;
  }
  
  /* HERO SIDEBAR / QUICK FACTS */
  
  .hero__sidebar {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
  }
  
  .quick-facts {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .quick-fact__title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
  }
  
  .quick-fact__list {
    margin: var(--space-xs) 0 0;
    padding-left: 1.2rem;
    font-size: 0.95rem;
  }
  
  .quick-fact__list li + li {
    margin-top: 0.25rem;
  }
  
  .quick-fact__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
  }
  
  .quick-fact__value {
    margin-top: 0.2rem;
    font-size: 0.95rem;
  }
  
  .quick-fact--grid {
    display: grid;
    gap: var(--space-md);
  }
  
  /* SECTIONS */
  
  .section {
    margin-top: var(--space-2xl);
  }
  
  .section--muted {
    background: var(--color-bg-muted);
    color: var(--color-accent-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-md);
  }

  .section--impact--muted {
    background: var(--color-bg-impact-muted);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-2xl);
  }

   .section--impact--muted, .section--impact--muted p {
    color: var(--color-accent-impact-soft);
  }

  .section--impact--muted .metrics-grid p {
    color: #232323;
  }
  
  .section--border-top {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
  }
  
  .section__header {
    margin-bottom: var(--space-lg);
  }
  
  .section__title {
    font-size: 1.25rem;
  }
  
  .section__intro {
    color: var(--color-text-muted);
    max-width: 52rem;
  }

    .section__intro__impact {
    color: var(--color-accent-impact-soft);
    max-width: 52rem;
  }
  
  /* GRID CONTEXT SECTIONS */
  
  .section--grid {
    display: grid;
    gap: var(--space-xl);
  }

  .section__details {
    display: grid;
      /* grid-template-columns: repeat(4, minmax(0, 1fr)); */
      grid-template-columns: 25% 25% 25% 25%;
      grid-template-rows: 4;
      gap: 2.5em;
      padding: 18px;
    }
  
  .section__block {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
  }
  
  /* CARD GRID */
  
  .card-grid {
    display: grid;
    gap: var(--space-lg);
  }
  
  .card-grid--four {
    /* will adjust at breakpoints */
  }
  
  .card {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
  }
  
  .card__title {
    font-size: 1rem;
  }
  
  .card__body {
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }
  
  /* CALLOUT */
  
  .callout {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    padding: var(--space-md);
    background: var(--color-bg-alt);
    margin-top: var(--space-md);
  }
  
  .callout__title {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
  }
  
  .callout__list {
    margin: var(--space-sm) 0 0;
    padding-left: 1.2rem;
    font-size: 0.95rem;
  }
  
  /* METRICS */
  
  .metrics-grid {
    display: grid;
    gap: var(--space-lg);
    margin-top: var(--space-md);
  }
  
  .metric {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
  }
  
  .metric__label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
  }
  
  .metric__value {
    font-size: 1.7rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
  }
  
  .metric__suffix {
    font-size: 1rem;
    margin-left: 0.15rem;
    color: goldenrod;
  }
  
  .metric__note {
    font-size: 0.9rem;
    color: var(--color-text-muted);
  }
  
  .section__footer-notes {
    margin-top: var(--space-lg);
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }
  
  .section__footer-notes p + p {
    margin-top: var(--space-xs);
  }
  
  /* STEPS */
  
  .steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: var(--space-lg);
  }
  
  .steps__item {
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-soft);
  }
  
  .steps__title {
    font-size: 1rem;
    margin-bottom: var(--space-xs);
  }
  
  .steps__body {
    font-size: 0.95rem;
    color: var(--color-text-muted);
  }
  
  /* FOOTER NAV SECTION */
  
  .section__footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .footer-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
  }
  
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.3rem;
    border-radius: 999px;
    font-size: 0.95rem;
    border: 1px solid transparent;
    cursor: pointer;
  }
  
  .button--primary {
    background: var(--color-accent);
    color: #fff;
  }
  
  .button--primary:hover {
    opacity: 0.9;
  }
  
  .button--ghost {
    border-color: var(--color-border);
    background: transparent;
    color: var(--color-text);
  }
  
  .button--ghost:hover {
    background: var(--color-bg-alt);
  }
  
  /* SITE FOOTER */
  
  .site-footer {
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-2xl);
    padding: var(--space-md) var(--space-md) var(--space-xl);
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-muted);
  }
  
  .site-footer__text {
    margin: 0;
  }
  
  /* RESPONSIVE BREAKPOINTS */
  
  /* Tablet */
  @media (min-width: 767px) {
    .site-header__inner {
      padding-inline: var(--space-md);
    }
  
    .nav-toggle {
      display: none;
    }
  
    .site-nav {
      display: block !important;
    }
  
    .hero {
      grid-template-columns: minmax(0, 2.1fr) minmax(0, 1.4fr);
      align-items: flex-start;
    }
  
    .hero__meta {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .quick-fact--grid {
      grid-template-columns: repeat(3, minmax(0, 1fr));
    }
  
    .section--grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .card-grid--four {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .metrics-grid {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .steps {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  
    .section--muted {
      padding: var(--space-xl);
    }
  
    .section__footer-nav {
      flex-direction: row;
      align-items: center;
      justify-content: space-between;
    }
  }
  
  /* Desktop */
  @media (min-width: 767px) {
    .page {
      padding-inline: 1em;
    }
  
    .site-header__inner {
      padding-inline: var(--space-md);
    }
  
    .hero__title {
      font-family: "PT Sans" sans-serif;
      font-size: 4rem;
      letter-spacing: -0.1rem;
    }
  
    .card-grid--four {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
  
    .metrics-grid {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
  
    .steps {
      grid-template-columns: repeat(4, minmax(0, 1fr));
    }
  }
  
  /* MOBILE NAV OPEN STATE (controlled via JS: .site-nav--open) */
  
  .site-nav--open {
    display: block;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
  }
  
  .site-nav--open .site-nav__list {
    padding: var(--space-md);
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  /* tablet breakpoint */
  @media (max-width: 767px) {
    .page {
    padding-left: 1em;
    padding-right: 1em;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-md);
    min-height: auto;
    text-align: center;
    justify-items: center;
  }

  .hero__text {
    margin: 0;
    text-align: center;
    align-items: center;
  }

  .hero__image {
    position: relative;
    top: auto;
    right: auto;
    height: auto;
    max-height: none;
    width: 100%;
    max-width: 85%;
    margin: 0 auto;
    /* margin-inline: auto; */
  }
  .section__details {
    grid-template-columns: repeat(2, 1fr);
    gap: 1em;
  }
}

/* HERO IMAGE SWAP — DESKTOP-FIRST */

/* Default (desktop/tablet): show desktop image, hide mobile image */
.hero__image-mobile { 
  display: none; 
}

.hero__image-desktop { 
  display: block; 
}

/* Smartphone: show mobile image, hide desktop image */
@media (max-width: 850px) {
  .hero__image-desktop {
    display: none;
  }

  .hero__image-mobile {
    display: block;
    margin-top: var(--space-lg);
    text-align: center;
  }

  .hero__image-mobile img {
    width: 320px;
    height: auto;
    max-width: 360px;   /* adjust to taste */
    margin: 0 auto;
    display: block;
  }
}

/* Scope absolute positioning to the desktop wrapper */
.hero__image-desktop .hero__image {
  position: absolute;
  height: 130%;
  max-height: 130%;
  top: 0;
  right: 0;
}

/* =========================
   Carousel (scroll-snap)
   ========================= */

.carousel {
  position: relative;
  margin-top: var(--space-md);
}

.carousel__viewport {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 80%;
  gap: var(--space-md);

  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;

  padding: var(--space-sm);
  border-radius: var(--radius-lg);
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-soft);

  /* nicer touch scrolling */
  -webkit-overflow-scrolling: touch;

  /* hide scrollbar where possible */
  scrollbar-width: none; /* Firefox */
}
.carousel__viewport::-webkit-scrollbar {
  display: none; /* Chrome/Safari */
}

.carousel__slide {
  scroll-snap-align: center;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #fff;
}

.carousel__slide img {
  width: 100%;
  height: auto;
  display: block;
}

/* Prev/Next buttons */
.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  line-height: 1;
  user-select: none;
}

.carousel__btn--prev { left: -10px; z-index: 10;}
.carousel__btn--next { right: -10px; z-index: 10;}

.carousel__btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Dots */
.carousel__dots {
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  margin-top: var(--space-sm);
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  cursor: pointer;
}

.carousel__dot[aria-current="true"] {
  background: var(--color-text);
  border-color: var(--color-text);
}

/* LANDSCAPE SLIDES (consistent frame) */
.carousel__slide {
  scroll-snap-align: center;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: #fff;

  /* new */
  aspect-ratio: 10 / 9;
}

/* Make the image fill the landscape frame */
.carousel__slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;       /* crops edges if needed */
  object-position: center; /* keeps the crop centered */
}



/* Responsive tuning */

@media (min-width: 460px) {
  .carousel__viewport {
    grid-auto-columns: 100%;
  }
}

@media (min-width: 768px) {
  .carousel__viewport {
    grid-auto-columns: 70%;
  }
}

@media (min-width: 1024px) {
  .carousel__viewport {
    grid-auto-columns: 65%;
  }
}