:root {
  --ti-black: #0d0d0d;
  --ti-ink: #151515;
  --ti-panel: #1b1917;
  --ti-panel-soft: #24211d;
  --ti-line: rgba(255, 255, 255, 0.1);
  --ti-text: #f4f1ea;
  --ti-muted: #b9b0a5;
  --ti-dim: #7c746b;
  --ti-red: #c00;
  --ti-warm: #d4c7ad;
  --ti-copy: #5d574f;
  --ti-line-light: rgba(21, 21, 21, 0.14);
  --ti-radius: 8px;
  --ti-container: 1280px;
  --ti-content: 1280px;
}

/* Page-specific banner media variables. Layout and typography are defined in site-banner.css. */
.ti-hero {
  --site-banner-bg: #080808;
  --site-banner-image:
    linear-gradient(90deg, rgba(8, 8, 8, 0.98) 0%, rgba(8, 8, 8, 0.78) 48%, rgba(8, 8, 8, 0.42) 100%),
    url("../images/tech-info/tone-lab-hero.jpg") center right / cover no-repeat;
  --site-banner-shade:
    radial-gradient(circle at 18% 58%, rgba(204, 0, 0, 0.22), transparent 28%),
    linear-gradient(180deg, transparent 62%, #0b0b0b 100%);
  --site-banner-lead-color: var(--ti-muted);
  --site-banner-meta-color: var(--ti-warm);
}


*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html.ti-scroll-restoring {
  scroll-behavior: auto;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ti-ink);
  font-family: var(--site-font-sans);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

/* Page */
.ti-page {
  overflow: hidden;
}

.ti-container {
  width: min(var(--ti-content), calc(100% - 40px));
  margin: 0 auto;
}

.ti-eyebrow {
  margin: 0 0 14px;
  color: var(--ti-red);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ti-editorial {
  padding: 86px 0;
}

.ti-all {
  padding: 86px 0 60px;
}

.ti-page--paged .ti-hero,
.ti-page--paged .ti-editorial,
.ti-page--paged .ti-topic-band {
  display: none;
}

.ti-page--paged .ti-all {
  padding: 86px 0 60px;
}

.ti-section-head {
  max-width: 680px;
  margin-bottom: 30px;
}

.ti-section-head--center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.ti-section-head h2 {
  margin: 0;
  color: var(--ti-ink);
}

.ti-topic-band .ti-section-head h2 {
  color: var(--ti-text);
}

.ti-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: start;
}

.ti-topic-card,
.ti-article-card {
  border: 1px solid var(--ti-line);
  background: linear-gradient(145deg, #1b1b1b 0%, #24211f 100%);
  color: var(--ti-text);
  transition: background-color 0.3s linear, background 0.3s linear;
}

.ti-topic-card:hover,
.ti-article-card:hover {
  background: linear-gradient(145deg, #242424 0%, #302b26 100%);
}

.ti-topic-card h3,
.ti-article-card h3 {
  margin: 12px 0 0;
  color: var(--ti-text);
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.ti-topic-card p,
.ti-article-card p {
  margin: 14px 0 0;
  color: var(--ti-muted);
}

.ti-all-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  border-radius: var(--ti-radius);
  background: transparent;
  color: var(--ti-ink);
  text-decoration: none;
}

.ti-all-card[hidden] {
  display: none !important;
}

.ti-all-card::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 14px;
  border-radius: 999px;
  background: var(--ti-red);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left center;
  transition: opacity 0.24s ease, transform 0.28s ease;
}

.ti-all-card:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.ti-all-card__image {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--ti-radius);
  background: #f5f3ef;
}

.ti-all-card__image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s linear;
  transform-origin: center center;
}

.ti-all-card:hover .ti-all-card__image img {
  transform: scale(1.02);
}

.ti-all-card__body {
  display: flex;
  flex-direction: column;
  padding: 18px 0 0;
}

.ti-all-card h3 {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ti-ink);
  font-size: 1.08rem;
  line-height: 1.24;
  letter-spacing: -0.025em;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.ti-feature-recommend-card h3 {
  font-size: clamp(1.32rem, 1.9vw, 1.72rem);
  line-height: 1.18;
}

.ti-all-card p {
  display: -webkit-box;
  margin: 12px 0 0;
  overflow: hidden;
  color: var(--ti-copy);
  font-size: 0.92rem;
  line-height: 1.5;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.ti-all-card__meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  margin-top: 14px;
  color: var(--ti-copy);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ti-all-card__meta span {
  color: var(--ti-red);
}

.ti-topic-band {
  padding: 82px 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent),
    #121110;
}

.ti-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.ti-topic-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 250px;
  padding: 28px;
  border-radius: 8px;
  transition: border-color 0.42s ease, box-shadow 0.42s ease;
}

.ti-topic-card::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, #242424 0%, #302b26 100%);
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.46s ease;
}

.ti-topic-card > * {
  position: relative;
  z-index: 1;
}

.ti-topic-card:hover {
  border-color: rgba(255, 255, 255, 0.18);
  background: linear-gradient(145deg, #1b1b1b 0%, #24211f 100%);
}

.ti-topic-card:hover::before {
  opacity: 1;
}

.ti-topic-card span {
  color: var(--ti-red);
  font-size: 0.8rem;
  font-weight: 800;
}

.ti-topic-card h3 {
  margin-top: 54px;
  font-size: 1.65rem;
}

@media (prefers-reduced-motion: reduce) {
  .ti-topic-card,
  .ti-topic-card::before {
    transition: none;
  }
}

.ti-article-list {
  display: grid;
  gap: 14px;
}

.ti-article-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 160px;
  padding: 22px;
  border-radius: 8px;
}

.ti-article-card__date {
  display: grid;
  place-items: center;
  width: 76px;
  height: 86px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
}

.ti-article-card__date strong {
  color: var(--ti-text);
  font-size: 2rem;
  line-height: 1;
}

.ti-article-card__date span {
  color: var(--ti-dim);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.ti-article-card h3 {
  font-size: 1.45rem;
}

.ti-article-card p {
  max-width: 850px;
}

.ti-list-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.ti-section-copy {
  max-width: 720px;
  margin: 16px 0 0;
  color: #5d574f;
}

.ti-list-status {
  min-width: 156px;
  padding: 16px 18px;
  border-radius: 8px;
  background: linear-gradient(145deg, #1b1b1b 0%, #24211f 100%);
  color: var(--ti-text);
  text-align: right;
}

.ti-list-status strong,
.ti-list-status span {
  display: block;
}

.ti-list-status strong {
  font-size: 1.1rem;
}

.ti-list-status span {
  color: var(--ti-muted);
  font-size: 0.82rem;
}

.ti-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.ti-filter {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  background: #efedde;
  color: var(--ti-ink);
  font-size: 0.88rem;
  font-weight: 800;
  transition: background 0.3s linear, color 0.3s linear;
}

.ti-filter:hover,
.ti-filter.is-active {
  background: #151515;
  color: #fff;
}

.ti-all-grid {
  display: grid;
  align-items: start;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 54px 22px;
}

.ti-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--ti-line-light);
}

.ti-pagination p {
  margin: 0;
  color: var(--ti-copy);
  font-size: 14px;
  line-height: 1.5;
}

.ti-pagination p strong {
  color: var(--ti-ink);
  font-weight: 800;
}

.ti-pagination__nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ti-pagination__nav a,
.ti-pagination__nav button,
.ti-pagination__nav span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--ti-line-light);
  border-radius: var(--ti-radius);
  background: transparent;
  color: var(--ti-copy);
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.04em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.22s ease, border-color 0.22s ease, color 0.22s ease;
}

.ti-pagination__nav a:hover,
.ti-pagination__nav button:hover,
.ti-pagination__nav a.is-active,
.ti-pagination__nav button.is-active {
  border-color: var(--ti-red);
  background: var(--ti-red);
  color: #fff;
}

.ti-pagination__nav a.is-disabled,
.ti-pagination__nav button.is-disabled {
  pointer-events: none;
  opacity: 0.42;
}

.ti-load-more {
  display: none;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--ti-red);
  border-radius: var(--ti-radius);
  background: var(--ti-red);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color 0.22s ease, border-color 0.22s ease;
}

.ti-load-more:hover {
  background: #a80000;
  border-color: #a80000;
}

.ti-load-end {
  display: none;
  margin: 0;
}

@media (max-width: 1024px) {
.ti-all,
  .ti-page--paged .ti-all {
    padding-bottom: 30px;
  }

  .ti-feature-recommend-card h3 {
    font-size: clamp(1.24rem, 2.15vw, 1.55rem);
  }
}

@media (max-width: 767px) {
.ti-container {
    width: min(100% - 30px, var(--ti-content));
  }

  .ti-editorial,
  .ti-topic-band {
    padding: 58px 0;
  }

  .ti-all,
  .ti-page--paged .ti-all {
    padding: 58px 0 30px;
  }

  .ti-feature-grid {
    grid-template-columns: 1fr;
  }

  .ti-all-card h3 {
    font-size: 1.04rem;
  }

  .ti-feature-recommend-card h3 {
    font-size: clamp(1.16rem, 4.8vw, 1.34rem);
  }

  .ti-topic-grid {
    grid-template-columns: 1fr;
  }

  .ti-topic-card {
    min-height: 190px;
  }

  .ti-topic-card h3 {
    margin-top: 30px;
  }

  .ti-list-head {
    display: block;
  }

  .ti-list-status {
    margin-top: 18px;
    text-align: left;
  }

  .ti-all-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 42px 18px;
  }

  .ti-article-card {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .ti-article-card__date {
    width: 70px;
    height: 76px;
  }
}

@media (max-width: 767px) {
.ti-pagination {
    display: block;
    margin-top: 32px;
    padding-top: 22px;
  }

  .ti-pagination p {
    text-align: center;
  }

  .ti-pagination__nav {
    display: none;
  }

  .ti-load-more {
    display: inline-flex;
    width: 100%;
    margin-top: 16px;
  }

  .ti-load-more[hidden] {
    display: none !important;
  }

  .ti-load-end:not([hidden]) {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    width: 100%;
    margin: 16px 0 0;
    border: 1px solid var(--ti-line-light);
    border-radius: var(--ti-radius);
    background: #f5f3ef;
    color: var(--ti-copy);
    font-size: 12px;
    font-weight: 800;
    line-height: 1;
    letter-spacing: 0.04em;
    text-transform: uppercase;
  }

  .ti-all-card__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

@media (max-width: 480px) {
.ti-container {
    width: min(100% - 24px, var(--ti-content));
  }

  .ti-all-card h3 {
    font-size: 1rem;
  }

  .ti-feature-recommend-card h3 {
    font-size: clamp(1.08rem, 5vw, 1.22rem);
  }

  .ti-all-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 38px 14px;
  }

  .ti-filter {
    min-height: 34px;
    font-size: 0.8rem;
  }
}

.ti-eyebrow {
  font-size: 16px;
}

@media (max-width: 640px) {
.ti-eyebrow {
    font-size: 14px;
  }
}