/* =========================================================
   Tran + Thomas Design Studio — Brand Style Guide
   Page-specific styles (loads after styles.css)
   ========================================================= */

.guide {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- Page masthead ---------- */
.guide-head {
  text-align: center;
  padding: clamp(3rem, 7vw, 5.5rem) var(--gutter) clamp(2rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}
.guide-head__eyebrow {
  font-family: var(--font-display);
  font-weight: 300;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin: 0 0 1.25rem;
}
.guide-head__title {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: 0.1em;
  color: var(--black);
  margin: 0;
}
.guide-back {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 1px solid transparent;
}
.guide-back:hover { color: var(--ink); border-color: var(--ink); }

/* ---------- Section scaffolding ---------- */
.gsection {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
  border-bottom: 1px solid var(--line);
}
.gsection__head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 2.75rem;
}
.gsection__num {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.gsection__title {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  letter-spacing: 0.16em;
  color: var(--black);
  margin: 0;
}
.gsection__note {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--body);
  max-width: 60ch;
  margin: -1.5rem 0 2.75rem;
}

/* small caption label used throughout */
.glabel {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  color: var(--muted);
}

/* =========================================================
   BRAND
   ========================================================= */
.brand-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.logo-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 2rem;
}
.logo-card--dark { background: var(--black); border-color: var(--black); }
.logo-card--dark .wordmark__img { filter: brightness(0) invert(1); }
.logo-card__tag {
  margin-top: 1.5rem;
}
.logo-card .wordmark__img,
.clearspace .wordmark__img { width: min(300px, 82%); }

/* clear-space diagram */
.clearspace {
  position: relative;
  border: 1px dashed var(--accent);
  border-radius: 12px;
  padding: clamp(2rem, 6vw, 4rem);
  display: flex;
  justify-content: center;
}
.brand-statement {
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.7;
  color: var(--ink);
  max-width: 56ch;
}

/* =========================================================
   COLORS
   ========================================================= */
.swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.swatch {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}
.swatch__chip {
  height: 130px;
  width: 100%;
}
.swatch__meta {
  padding: 0.9rem 1rem 1.1rem;
}
.swatch__name {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--ink);
  display: block;
  margin-bottom: 0.35rem;
}
.swatch__hex {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.swatch__chip--border { box-shadow: inset 0 0 0 1px var(--line); }

/* =========================================================
   TYPOGRAPHY
   ========================================================= */
.type-families {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3.5rem;
}
.type-families--single { grid-template-columns: 1fr; }
.type-families--single .family-card { max-width: 380px; }
.family-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.75rem;
}
.family-card__glyph {
  font-size: 3.25rem;
  line-height: 1;
  color: var(--black);
  margin-bottom: 1.1rem;
}
.family-card__glyph--mark { font-family: var(--font-mark); font-weight: 800; }
.family-card__glyph--display { font-family: var(--font-display); font-weight: 400; }
.family-card__glyph--serif { font-family: var(--font-body); font-weight: 400; }
.family-card__name {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  color: var(--ink);
  margin: 0 0 0.35rem;
}
.family-card__role {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

/* specimen rows — mirror comp 03 */
.specimen {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
  border-top: 1px solid var(--line);
  align-items: start;
}
.specimen:last-child { border-bottom: 1px solid var(--line); }
.specimen__spec { padding-top: 0.4rem; }
.specimen__spec dl { margin: 0.75rem 0 0; }
.specimen__spec dt {
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.7rem;
}
.specimen__spec dd {
  margin: 0.1rem 0 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--body);
}

/* live type samples, styled exactly like the homepage */
.sample-display {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  letter-spacing: 0.1em;
  line-height: 1.2;
  color: var(--black);
  margin: 0;
}
.sample-heading {
  font-family: var(--font-display);
  font-weight: 300;
  text-transform: uppercase;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  letter-spacing: 0.16em;
  color: var(--black);
  margin: 0;
}
.sample-body {
  font-family: var(--font-body);
  font-size: 1.12rem;
  line-height: 1.7;
  color: var(--body);
  margin: 0;
  max-width: 52ch;
}
.sample-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.24em;
  color: var(--ink);
  margin: 0;
}

/* =========================================================
   DESIGN ELEMENTS
   ========================================================= */
.design-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
.design-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 2rem;
}
.design-card > .glabel { display: block; margin-bottom: 1.5rem; }

/* button demo */
.btn-row { display: flex; flex-wrap: wrap; gap: 1.25rem; align-items: center; }

/* spacing scale */
.scale-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 0.85rem;
}
.scale-bar { height: 14px; background: var(--accent); border-radius: 3px; }
.scale-val {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* radius / placeholder demo */
.demo-media {
  aspect-ratio: 4 / 3;
  border-radius: 14px;
  overflow: hidden;
}
.rule-demo { height: 1px; background: var(--line); margin: 1.5rem 0; }
.accent-rule-demo { height: 2px; width: 64px; background: var(--accent); }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 860px) {
  .brand-grid,
  .design-grid { grid-template-columns: 1fr; }
  .swatches { grid-template-columns: repeat(2, 1fr); }
  .type-families { grid-template-columns: 1fr; }
  .specimen { grid-template-columns: 1fr; gap: 1.25rem; }
  .specimen__spec { order: 2; }
}
@media (max-width: 480px) {
  .swatches { grid-template-columns: 1fr; }
}