/* =========================================================
   Bytes & Beyond case study (projects/bytes-n-beyond/index.html)
   Uses the shared case-study.css template (container, back/next row)
   on a dark canvas that follows the supplied case study PDF.
   ========================================================= */

/* ---------- Fonts shown in the Design System (self-hosted, SIL OFL) ---------- */
@font-face {
  font-family: "Playfair Display";
  src: url("../assets/fonts/playfair-display-latin-900.woff2") format("woff2");
  font-weight: 900;
  font-display: swap;
}
/* Lato 400/700 are declared in case-study.css */

/* ---------- Tokens (colours from the case study's own palette) ---------- */
.cs--bnb {
  --bnb-primary: #ffa199;
  --bnb-secondary: #00a795;
  --bnb-hover: #007467;
  --bnb-section: #2b2629;
  --bnb-bg: #181618;
  --bnb-accent: #ff878d;     /* heading accent used throughout the PDF */
  --bnb-panel: #202020;
  --cs-paper: #0d0d0d;
  --cs-ink: #f5f2f2;
  --cs-gold: var(--bnb-accent); /* focus outlines in the template */
  --cs-body: var(--font-sans);
}

.cs--bnb main {
  background: var(--cs-paper);
  color: var(--cs-ink);
}

.cs--bnb .cs-next { background: transparent; border-top: 1px solid rgba(255, 228, 228, 0.08); }
.cs--bnb .cs-next__link { color: var(--cs-ink); }

.bnb-section {
  padding-block: clamp(3rem, 7vw, 5.5rem) 0;
}

.bnb-title {
  margin: 0 0 clamp(1.75rem, 4vw, 3rem);
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--cs-ink);
}

.bnb-title--center { text-align: center; }
.bnb-title span { color: var(--bnb-accent); }

.bnb-subtitle {
  margin: 0 0 1.25rem;
  font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.9rem);
  font-weight: 700;
  color: var(--cs-ink);
}

.bnb-figure {
  margin: 0;
}

.bnb-figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 1. Hero ---------- */
.bnb-hero {
  padding-top: clamp(1.5rem, 4vw, 3rem);
}

.bnb-hero__panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.75rem, 5vw, 3.5rem) clamp(1.5rem, 5vw, 4rem);
  border-radius: clamp(20px, 3vw, 32px);
  background: var(--bnb-panel);
}

.bnb-hero__title {
  margin: 0;
}

.bnb-hero__title img {
  display: block;
  width: min(100%, 380px);
  height: auto;
}

.bnb-hero__kicker {
  margin: clamp(1.25rem, 3vw, 2.25rem) 0 0;
  font-size: clamp(1.3rem, 1.1rem + 1vw, 2rem);
  font-weight: 700;
  color: var(--cs-ink);
}

/* ---------- 2. Project overview ---------- */
.bnb-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
}

/* the laptop's soft pink glow was cut off at the image edges: fade them into the page */
.bnb-overview .bnb-figure img {
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 12%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 10%, #000 88%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(to right, transparent 0%, #000 12%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 10%, #000 88%, transparent 100%);
  mask-composite: intersect;
}

.bnb-overview__text h3 {
  margin: 0;
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  font-weight: 700;
  color: var(--bnb-accent);
}

.bnb-overview__text h3:not(:first-child) {
  margin-top: 1.75rem;
}

.bnb-overview__text p,
.bnb-overview__text li {
  margin: 0.8rem 0 0;
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(245, 242, 242, 0.86);
}

.bnb-overview__text ul {
  margin: 0.4rem 0 0;
  padding-left: 1.2rem;
  list-style: disc; /* the site reset removes markers; the PDF shows bullets here */
}

.bnb-overview__text li {
  margin-top: 0.4rem;
}

.bnb-facts {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.8fr);
  gap: clamp(1rem, 3vw, 1.75rem);
  max-width: 880px;
  margin: clamp(2.5rem, 6vw, 4rem) auto 0;
  padding: 0;
  list-style: none;
}

.bnb-fact {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: clamp(1.4rem, 3vw, 2rem) 1.25rem;
  border-radius: clamp(18px, 2.5vw, 28px);
  background: var(--bnb-panel);
  text-align: center;
}

.bnb-fact__label {
  margin: 0;
  font-size: clamp(1.15rem, 1rem + 0.5vw, 1.4rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--bnb-accent);
}

.bnb-fact__value {
  margin: 0;
  font-size: 1rem;
  color: var(--cs-ink);
}

.bnb-fact img {
  display: block;
  width: min(100%, 340px);
  height: auto;
}

/* ---------- 3-4. Process and site map ---------- */
.bnb-process img {
  max-width: 900px;
  margin-inline: auto;
}

/* the site map's labels are small: on narrow screens it scrolls sideways
   inside its own box instead of shrinking until it can't be read */
.bnb-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.bnb-scroll img {
  min-width: 760px;
  max-width: 900px;
  margin-inline: auto;
}

.bnb-scroll__hint {
  display: none;
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: rgba(245, 242, 242, 0.6);
}

/* ---------- 5. Design system ---------- */
.bnb-ds {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.5rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
}

.bnb-ds__full {
  grid-column: 1 / -1;
}

.bnb-type {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
}

.bnb-type__card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 0.5rem 1.25rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: 14px;
  background: linear-gradient(160deg, #191313 0%, #251f1f 55%, #3d3838 100%);
}

.bnb-type__glyph {
  margin: 0;
  font-size: clamp(4rem, 3rem + 3vw, 5.5rem);
  line-height: 0.95;
  color: #ffffff;
}

.bnb-type__meta p {
  margin: 0;
  line-height: 1.35;
  color: #ffffff;
}

.bnb-type__name { font-size: clamp(1.2rem, 1rem + 0.6vw, 1.5rem); }
.bnb-type__weight { margin-top: 0.3rem !important; font-size: 1rem; }
.bnb-type__sample { margin-top: 0.4rem !important; font-size: 1rem; }

.bnb-type__sizes {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin: 0.75rem 0 0;
  color: #ffffff;
}

.bnb-type--playfair .bnb-type__glyph,
.bnb-type--playfair .bnb-type__meta,
.bnb-type--playfair .bnb-type__sizes {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 900;
}

.bnb-type--playfair .bnb-type__sample,
.bnb-type--playfair .bnb-type__sizes {
  font-weight: 400;
  font-family: Georgia, "Playfair Display", serif;
}

.bnb-type--lato,
.bnb-type--lato .bnb-type__glyph {
  font-family: "Lato", "Helvetica Neue", Arial, sans-serif;
}

.bnb-type--lato .bnb-type__glyph,
.bnb-type--lato .bnb-type__name { font-weight: 700; }

.bnb-sizes__s { font-size: 0.8rem; }
.bnb-sizes__m { font-size: 1.1rem; }
.bnb-sizes__l { font-size: 1.75rem; }
.bnb-sizes__xl { font-size: 2.3rem; }

/* colour swatches */
.bnb-swatches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem 1rem;
  max-width: 360px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.bnb-swatch__chip {
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  height: 48px;
  padding: 0.3rem 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 6px;
  background: var(--sw);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.bnb-swatch--light .bnb-swatch__chip { color: #2b2629; }

.bnb-swatch__name {
  display: block;
  margin-top: 0.35rem;
  font-size: 1rem;
  color: var(--cs-ink);
}

.bnb-ds .bnb-figure img {
  max-width: 420px;
}

/* ---------- 6. Wireframes ---------- */
.bnb-wireframes {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 1fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4rem);
}

.bnb-wireframes img {
  border-radius: 4px;
}

/* ---------- 7. UI screens ---------- */
.bnb-screens {
  margin-top: clamp(3rem, 7vw, 5.5rem);
  padding-block: clamp(3rem, 7vw, 5rem);
  background: linear-gradient(180deg, #191313 0%, #1d1516 45%, #322a2a 100%);
  border-radius: clamp(28px, 5vw, 56px) clamp(28px, 5vw, 56px) clamp(20px, 3vw, 32px) clamp(20px, 3vw, 32px);
}

.bnb-screens__cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.bnb-screens__col {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vw, 3rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

/* the second column starts a little lower, as in the reference */
.bnb-screens__col--offset {
  padding-top: clamp(0rem, 4vw, 3rem);
}

.bnb-screen img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 44px -26px rgba(0, 0, 0, 0.8);
}

/* ---------- Tablet ---------- */
@media (max-width: 900px) {
  .bnb-hero__panel,
  .bnb-overview,
  .bnb-ds,
  .bnb-wireframes {
    grid-template-columns: minmax(0, 1fr);
  }

  .bnb-hero__panel {
    text-align: center;
  }

  .bnb-hero__title img {
    margin-inline: auto;
  }

  .bnb-wireframes .bnb-figure:first-child img {
    max-width: 360px;
    margin-inline: auto;
  }
}

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .bnb-facts,
  .bnb-type,
  .bnb-screens__cols {
    grid-template-columns: minmax(0, 1fr);
  }

  .bnb-screens__col--offset {
    padding-top: 0;
  }

  .bnb-scroll__hint {
    display: block;
  }

  .bnb-swatches {
    max-width: none;
  }
}