/* ==========================================================================
   2RE03 custom styles
   Layered on top of Bootstrap 5.3 (loaded first).
   Brand: green (#2ee666) accents on a near-black ink base.
   ========================================================================== */

/* --- Local (vendored) fonts, no external requests ------------------------ */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/Inter-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("../fonts/SpaceGrotesk-latin.woff2") format("woff2");
}

/* --- Brand tokens -------------------------------------------------------- */
:root {
  /* Palette centered on #2ee666 */
  --brand-green: #2ee666;
  --brand-green-rgb: 46, 230, 102;
  --brand-green-dark: #17b34f;   /* hover / darker */
  --brand-green-deep: #0e7a3a;   /* legible green for text on light */
  --brand-soft: #e9fbef;         /* soft green tint for sections */
  --brand-ink: #0e1511;          /* near-black base */
  --brand-ink-2: #182019;
  --brand-cream: #f2fbf5;        /* light text on dark */
  --brand-cream-rgb: 242, 251, 245;
  --brand-muted: #5c6b60;

  --bs-primary: var(--brand-green);
  --bs-primary-rgb: var(--brand-green-rgb);
  --bs-link-color: var(--brand-green-deep);
  --bs-link-hover-color: #0a5c2b;
  --bs-link-color-rgb: 14, 122, 58;
  --bs-link-hover-color-rgb: 10, 92, 43;
}

/* --- Base ---------------------------------------------------------------- */
html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--brand-ink);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5,
.display-1, .display-2, .display-3, .display-4,
.navbar-brand {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.01em;
}

a { text-decoration-thickness: 1px; text-underline-offset: 2px; }

:focus-visible {
  outline: 3px solid var(--brand-green);
  outline-offset: 2px;
}

/* --- Buttons & accents --------------------------------------------------- */
.btn-brand {
  --bs-btn-bg: var(--brand-green);
  --bs-btn-border-color: var(--brand-green);
  --bs-btn-color: var(--brand-ink);
  --bs-btn-hover-bg: var(--brand-green-dark);
  --bs-btn-hover-border-color: var(--brand-green-dark);
  --bs-btn-hover-color: var(--brand-ink);
  --bs-btn-active-bg: var(--brand-green-deep);
  --bs-btn-active-border-color: var(--brand-green-deep);
  --bs-btn-active-color: #fff;
  --bs-btn-focus-shadow-rgb: var(--brand-green-rgb);
  font-weight: 600;
}

.btn-outline-brand {
  --bs-btn-color: var(--brand-green-deep);
  --bs-btn-border-color: var(--brand-green-deep);
  --bs-btn-hover-bg: var(--brand-green);
  --bs-btn-hover-border-color: var(--brand-green);
  --bs-btn-hover-color: var(--brand-ink);
  --bs-btn-active-bg: var(--brand-green-dark);
  --bs-btn-active-border-color: var(--brand-green-dark);
  --bs-btn-active-color: var(--brand-ink);
  font-weight: 600;
}

.text-brand { color: var(--brand-green-deep) !important; }
.bg-ink { background-color: var(--brand-ink) !important; }
.bg-brand-soft { background-color: var(--brand-soft) !important; }

.eyebrow {
  font-family: "Space Grotesk", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand-green-deep);
}

.section { padding: 4.5rem 0; }
.section-sm { padding: 3rem 0; }

/* --- Header -------------------------------------------------------------- */
.site-header {
  background-color: var(--brand-ink);
  border-bottom: 3px solid var(--brand-green);
}
.site-header .navbar { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.site-header .navbar-brand {
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  color: var(--brand-green) !important;
  font-weight: 700;
}
.site-header .navbar-brand:hover { color: #fff !important; }
.site-header .nav-link {
  color: rgba(var(--brand-cream-rgb), 0.82);
  font-weight: 500;
}
.site-header .nav-link:hover,
.site-header .nav-link:focus { color: var(--brand-cream); }
.site-header .nav-link.active {
  color: var(--brand-green);
  border-bottom: 2px solid var(--brand-green);
}
.site-header .navbar-toggler { border-color: rgba(var(--brand-cream-rgb), 0.35); }
.site-header .navbar-toggler:focus { box-shadow: 0 0 0 0.2rem rgba(var(--brand-green-rgb), 0.5); }

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  color: var(--brand-ink);
  background-color: var(--brand-green);
  /* Brand green with a faint dot grid. No photo. */
  background-image:
    linear-gradient(120deg, rgba(46, 230, 102, 0.92) 0%, rgba(46, 230, 102, 0.78) 55%, rgba(23, 179, 79, 0.92) 100%),
    radial-gradient(rgba(14, 21, 17, 0.16) 1.2px, transparent 1.6px);
  background-size: cover, 18px 18px;
  background-position: center, 0 0;
  background-repeat: no-repeat, repeat;
  padding: 6rem 0 5rem;
}
.hero h1 { font-size: clamp(2.75rem, 9vw, 5.5rem); line-height: 1; margin-bottom: 1rem; }
.hero .hero-lead { font-size: clamp(1.15rem, 2.6vw, 1.6rem); max-width: 44ch; }
.hero--compact { padding: 4rem 0 3rem; }
.hero--compact h1 { font-size: clamp(2.25rem, 6vw, 3.5rem); }

/* Homepage: a low-contrast collage of real work behind the green wash. */
.hero--collage { overflow: hidden; }
.hero--collage .hero__collage {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
  gap: 4px;
}
.hero--collage .hero__collage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero--collage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(46, 230, 102, 0.88) 0%, rgba(46, 230, 102, 0.76) 55%, rgba(23, 179, 79, 0.88) 100%);
}
.hero--collage > .container { position: relative; z-index: 2; }

@media (max-width: 767.98px) {
  .hero--collage .hero__collage { grid-template-columns: repeat(2, 1fr); }
}

/* Case study pages: the project's own image behind the green wash. */
.hero--image {
  background-color: var(--brand-ink);
  background-image:
    linear-gradient(100deg, rgba(46, 230, 102, 0.94) 0%, rgba(46, 230, 102, 0.86) 42%, rgba(23, 179, 79, 0.64) 100%),
    var(--hero-image, none);
  background-size: cover, cover;
  background-position: center, var(--hero-position, center);
  background-repeat: no-repeat, no-repeat;
}

/* --- Work cards / galleries --------------------------------------------- */
.card-work {
  display: block;
  border: 0;
  border-radius: 0.5rem;
  overflow: hidden;
}
/* The image defines its own frame, so there are no letterbox bands. */
.card-work img {
  display: block;
  width: 100%;
  height: auto;
}
/* Fixed frame, for tidy grids of mixed shapes. */
.card-work--frame img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background-color: #e7f2ea;
  transition: transform 0.35s ease;
}
.card-work--frame:hover img { transform: scale(1.04); }

.card-service {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--brand-green);
  border-radius: 0.375rem;
  height: 100%;
}
.card-service:hover { box-shadow: 0 0.5rem 1rem rgba(var(--brand-green-rgb), 0.2); }

.gallery-caption {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--brand-muted);
  border-left: 4px solid var(--brand-green);
  padding-left: 0.85rem;
}

/* --- Footer -------------------------------------------------------------- */
.site-footer {
  background-color: var(--brand-ink);
  color: rgba(var(--brand-cream-rgb), 0.72);
  margin-top: 4rem;
  border-top: 3px solid var(--brand-green);
}
.site-footer a { color: rgba(var(--brand-cream-rgb), 0.85); text-decoration: none; }
.site-footer a:hover { color: var(--brand-green); text-decoration: underline; }
.site-footer .footer-brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--brand-green);
}

/* --- Forms --------------------------------------------------------------- */
.form-control:focus,
.form-check-input:focus {
  border-color: var(--brand-green);
  box-shadow: 0 0 0 0.25rem rgba(var(--brand-green-rgb), 0.25);
}
.form-label { font-weight: 600; }
.contact-panel {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-top: 4px solid var(--brand-green);
  border-radius: 0.5rem;
}

/* --- Utilities ----------------------------------------------------------- */
.divider-brand {
  height: 4px;
  width: 64px;
  background: var(--brand-green);
  border-radius: 2px;
}
.link-plain { color: inherit; text-decoration: none; }

.text-cream { color: var(--brand-cream) !important; }
.eyebrow-ink { color: var(--brand-ink) !important; }

/* --- Case studies (Collins-style typographic index) ---------------------- */
.case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.14);
}
.case-item { border-bottom: 1px solid rgba(0, 0, 0, 0.14); }

.case-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0.25rem;
  text-decoration: none;
  color: var(--brand-ink);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.case-row__name {
  flex: 1 1 auto;
  min-width: 0;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(1.6rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.case-row__meta {
  flex: 0 0 auto;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--brand-muted);
  white-space: nowrap;
}
.case-row__thumb {
  display: none;
  flex: 0 0 auto;
  width: 88px;
  height: 66px;
  object-fit: cover;
  border-radius: 0.375rem;
  background-color: #e7f2ea;
}
.case-row:hover,
.case-row:focus-visible {
  color: var(--brand-green-deep);
  padding-left: 1rem;
}

/* Cursor-following preview image (desktop, hover-capable pointers) */
.case-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: clamp(180px, 22vw, 300px);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 0.5rem;
  background-color: #e7f2ea;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.28);
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.96);
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 1080;
}
.case-preview.is-visible { opacity: 1; transform: translate(-50%, -50%) scale(1); }

@media (max-width: 767.98px) {
  .case-row { flex-wrap: wrap; }
  .case-row__thumb { display: block; }
  .case-row__meta { flex-basis: 100%; margin-top: 0.25rem; }
}

/* --- Carousel (Collins-style scroll-snap gallery) ------------------------ */
.carousel { position: relative; }

.carousel__track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  cursor: grab;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track.is-dragging { scroll-snap-type: none; cursor: grabbing; }
.carousel__track:focus-visible {
  outline: 3px solid var(--brand-green);
  outline-offset: 4px;
}

.carousel__item {
  flex: 0 0 auto;
  width: clamp(230px, 78vw, 340px);
  scroll-snap-align: start;
}

.carousel__media {
  border-radius: 1rem;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: #e7f2ea;
}
.carousel__media img {
  display: block;
  width: 100%;
  height: 100%;
  /* Cropped to fill the rounded frame, the Collins look. */
  object-fit: cover;
  transition: transform 0.4s ease;
  -webkit-user-drag: none;
}
.carousel__item:hover .carousel__media img { transform: scale(1.04); }

.carousel__nav {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
}
.carousel__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(0, 0, 0, 0.16);
  border-radius: 50%;
  background-color: #fff;
  color: var(--brand-ink);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}
.carousel__btn:hover:not(:disabled),
.carousel__btn:focus-visible:not(:disabled) {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
}
.carousel__btn:disabled { opacity: 0.35; cursor: default; }

.carousel + p { margin-top: 1.5rem; }

@media (max-width: 575.98px) {
  .section { padding: 3rem 0; }
  .hero { padding: 4rem 0 3.5rem; }
}