@font-face {
  font-family: "Open Sans";
  src: url("../fonts/open-sans-regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
.tac-page { --tac-blue: #0261a3; --tac-green: #d8e7bc; --tac-dark: #28282a; }
.tac-page .heading-accent { color: var(--tac-blue); }
.tac-hero { padding-bottom: 44px; }
.tac-hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: 56px; }
.tac-hero h1 { margin-block: 20px 24px; font-size: clamp(52px, 6.5vw, 90px); }
.tac-hero .case-lead { font-size: clamp(20px, 2.3vw, 30px); line-height: 1.4; max-width: 530px; }
.tac-hero-mark { min-width: 0; }
.tac-hero-mark .tac-visual { background: #fff; }
.tac-hero-mark figcaption { padding-top: 10px; }
.tac-project-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; border-top: 1px solid var(--line); margin: 40px 0 0; padding-top: 24px; }
.tac-project-facts dt { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 1.2px; margin-bottom: 6px; }
.tac-project-facts dd { font-size: 13px; margin: 0; }
.tac-figure { min-width: 0; }
.tac-visual { display: block; position: relative; border-radius: 4px; overflow: hidden; background: #fff; }
.tac-visual img { width: 100%; height: auto; }
.tac-expand { position: absolute; bottom: 16px; right: 16px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--ink); background: rgba(248,247,244,.95); font-size: 19px; transition: background .2s, color .2s; }
.tac-visual:hover .tac-expand { background: var(--tac-blue); color: #fff; }
.tac-figure figcaption { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0 0; font-size: 11px; line-height: 1.6; color: var(--muted); }
.tac-figure figcaption > span:last-child { flex-shrink: 0; font-size: 10px; }
.tac-toc { display: flex; flex-wrap: wrap; gap: 14px 32px; padding-block: 22px; margin-top: 40px; border-block: 1px solid var(--line); font-size: 11px; }
.tac-toc a { display: inline-flex; align-items: center; min-height: 28px; }
.tac-toc a:hover { color: var(--tac-blue); }
.tac-section { padding-block: 72px 12px; scroll-margin-top: 28px; }
.tac-section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 80px; align-items: start; margin-bottom: 36px; }
.tac-section-heading h2 { margin-top: 20px; font-family: var(--font-display); font-weight: 400; font-size: clamp(34px, 4vw, 54px); line-height: 1.04; letter-spacing: -.03em; }
.tac-prose { color: var(--muted); font-size: 15px; line-height: 1.85; }
.tac-prose p + p { margin-top: 18px; }
.tac-gallery { display: grid; gap: 32px; }
.tac-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; align-items: start; }
.tac-photo-pair { align-items: center; }
.tac-details { margin-top: 32px; border-block: 1px solid var(--line); }
.tac-details + .tac-details { margin-top: -1px; }
.tac-details summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 22px; cursor: pointer; list-style: none; }
.tac-details summary::-webkit-details-marker { display: none; }
.tac-details strong { display: block; font-size: 14px; font-weight: 600; }
.tac-details small { display: block; font-size: 11px; color: var(--muted); margin-top: 5px; }
.tac-details-icon { flex-shrink: 0; font-size: 24px; transition: transform .2s; }
.tac-details[open] .tac-details-icon { transform: rotate(45deg); }
.tac-details-content { display: grid; gap: 28px; padding-bottom: 28px; }
.tac-swatch-blue { background: var(--tac-blue); }
.tac-swatch-green { background: var(--tac-green); }
.tac-swatch-dark { background: var(--tac-dark); }
.tac-voice { display: flex; flex-wrap: wrap; list-style: none; padding: 0; margin: 0 0 32px; gap: 10px; }
.tac-voice li { font-size: 12px; border: 1px solid var(--line); border-radius: 24px; padding: 8px 16px; }
@media (max-width: 1000px) {
  .tac-hero-grid { gap: 32px; }
  .tac-section-heading { gap: 40px; }
}
@media (max-width: 700px) {
  .tac-hero { padding-bottom: 28px; }
  .tac-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .tac-hero h1 { font-size: clamp(40px, 10vw, 60px); margin-block: 18px 20px; }
  .tac-hero .case-lead { font-size: 21px; }
  .tac-hero-mark figcaption { padding-top: 10px; }
  .tac-project-facts { grid-template-columns: 1fr; gap: 18px; margin-top: 28px; padding-top: 22px; }
  .tac-project-facts dt { margin-bottom: 4px; }
  .tac-project-facts dd { font-size: 13px; }
  .tac-toc { margin-top: 28px; padding-block: 16px; gap: 8px 22px; font-size: 10px; }
  .tac-toc a { min-height: 36px; }
  .tac-section { padding-top: 44px; }
  .tac-section-heading { grid-template-columns: 1fr; gap: 22px; margin-bottom: 26px; }
  .tac-section-heading h2 { font-size: 36px; margin-top: 16px; }
  .tac-prose { font-size: 14px; }
  .tac-gallery, .tac-details-content { gap: 22px; }
  .tac-pair { grid-template-columns: 1fr; gap: 24px; }
  .tac-expand { right: 10px; bottom: 10px; width: 28px; height: 28px; font-size: 17px; }
  .tac-figure figcaption { flex-direction: column; gap: 3px; padding-top: 10px; font-size: 10px; }
  .tac-figure figcaption > span:last-child { font-size: 10px; }
  .tac-details { margin-top: 26px; }
  .tac-details summary { padding-block: 18px; }
  .tac-details strong { font-size: 13px; }
  .tac-details small { font-size: 10px; }
  .tac-details-content { padding-bottom: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .tac-details-icon { transition: none; }
}

/* Native brand specifications stay sharp and selectable at every screen size. */
.tac-palette-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.tac-color-card { overflow: hidden; border: 1px solid #dfe1e2; border-radius: 6px; background: #fff; box-shadow: 0 3px 12px #14234705; }
.tac-color-fill { aspect-ratio: 1.25; }
.tac-color-info { padding: 24px; color: #17191b; }
.tac-pantone { font-family: Arial, Helvetica, sans-serif; font-size: clamp(21px, 2.4vw, 32px); line-height: 1.1; font-weight: 800; letter-spacing: -1px; }
.tac-pantone sup { font-size: 10px; vertical-align: super; letter-spacing: 0; margin-left: 2px; }
.tac-color-reference { font-size: 18px; line-height: 1.4; margin-top: 8px; }
.tac-color-info h3 { font-size: 22px; line-height: 1.3; font-weight: 700; margin-top: 8px; letter-spacing: -.7px; }
.tac-color-digital { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; border-top: 1px solid var(--line); padding-top: 16px; margin-top: 22px; color: var(--muted); font-size: 10px; }
.tac-color-digital code { color: var(--ink); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.tac-type-specimens { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.tac-type-specimen { min-width: 0; padding: clamp(24px, 4vw, 52px); border-radius: 5px; }
/* Helvetica Now is used when available locally; no unlicensed font is embedded. */
.tac-type-primary { --specimen-font: "Helvetica Now", "Helvetica Now Display", "Helvetica Neue", Helvetica, Arial, sans-serif; color: var(--ink); border: 1px solid var(--line); background: #fff; }
.tac-type-secondary { --specimen-font: "Open Sans", Arial, sans-serif; background: var(--tac-blue); color: #fff; }
.tac-type-specimen h3 { font-size: clamp(24px, 3vw, 38px); line-height: 1.2; margin-top: 16px; letter-spacing: -1.2px; }
.tac-type-secondary .eyebrow { color: #d6e8f6; }
.tac-type-monogram { font-family: var(--specimen-font); font-size: clamp(112px, 13vw, 188px); font-weight: 400; line-height: 1.15; letter-spacing: -.065em; margin-block: 32px; }
.tac-glyph-lines { font-family: var(--specimen-font); font-size: clamp(19px, 2vw, 26px); line-height: 1.55; letter-spacing: -.025em; overflow-wrap: anywhere; }
.tac-glyph-lines p { padding-block: 18px; border-top: 1px solid var(--line); }
.tac-type-secondary .tac-glyph-lines p { border-color: #ffffff4a; }
.tac-type-sample { font-family: var(--specimen-font); font-size: clamp(27px, 3vw, 40px); line-height: 1.15; letter-spacing: -.04em; margin-top: 32px; }
.tac-type-description { font-size: 13px; line-height: 1.8; margin-top: 16px; color: var(--muted); }
.tac-type-secondary .tac-type-description { color: #e1edf7; }
.tac-type-composition { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: end; gap: 40px; padding: 44px; border-radius: 5px; background: var(--tac-green); color: #17191b; }
.tac-collection-title { font-family: "Helvetica Now", "Helvetica Neue", Helvetica, Arial, sans-serif; font-size: clamp(35px, 5vw, 70px); line-height: 1; letter-spacing: -.055em; }
.tac-collection-title strong { display: block; font-weight: 700; }
.tac-collection-title span { font-size: .67em; letter-spacing: -.035em; }
.tac-composition-copy { font-size: 16px; line-height: 1.8; }
.tac-composition-copy strong { display: block; font-size: 20px; letter-spacing: -.5px; margin-bottom: 8px; }
.tac-product-story { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); overflow: hidden; background: #fff; border-radius: 5px; }
.tac-product-portrait { align-self: center; }
.tac-product-portrait img { width: 100%; height: auto; }
.tac-product-aside { display: flex; flex-direction: column; justify-content: space-between; gap: 32px; padding: 28px 36px 40px; }
.tac-product-aside > img { width: 70%; height: auto; align-self: flex-end; border-radius: 5px; }
.tac-product-aside h2 { font-family: "Manrope", Arial, sans-serif; font-size: clamp(32px, 4.4vw, 64px); font-weight: 800; line-height: .98; letter-spacing: -.065em; color: #17191b; }
@media (max-width: 1000px) {
  .tac-color-info { padding: 20px; }
  .tac-color-info h3 { font-size: 19px; }
  .tac-type-specimens { gap: 20px; }
  .tac-product-aside { padding: 24px; }
}
@media (max-width: 700px) {
  .tac-palette-cards, .tac-type-specimens, .tac-product-story { grid-template-columns: 1fr; gap: 20px; }
  .tac-color-fill { aspect-ratio: 1.6; }
  .tac-color-info { padding: 24px; }
  .tac-pantone { font-size: 29px; }
  .tac-color-info h3 { font-size: 24px; }
  .tac-type-specimen { padding: 24px; }
  .tac-type-monogram { font-size: 130px; margin-block: 28px; }
  .tac-type-specimen h3 { font-size: 29px; }
  .tac-type-composition { grid-template-columns: 1fr; padding: 28px 24px; gap: 28px; }
  .tac-collection-title { font-size: 45px; }
  .tac-composition-copy { font-size: 14px; }
  .tac-product-story { gap: 0; }
  .tac-product-aside { padding: 24px; gap: 28px; }
  .tac-product-aside h2 { font-size: 42px; }
}

.tac-glyph-lines p > span { display: inline-block; white-space: nowrap; }