/* ============================================================
   UI AND UX DESIGN SERVICES  —  /ui-and-ux-design-services/
   Bám sát homepage: container rộng (1904 / gutter 28px) + nội dung cap 1260,
   thẻ .tt-ux-card y hệt .tt-card homepage (bo 6px, số XÁM, có tags, là link).
   Mẫu khác: section "Our History" (sticky + line chạy theo cuộn) & "What we stand for".
   Hover nổi lên CHỈ áp cho thẻ có link (<a>); thẻ không link (<div>) đứng yên.
   ============================================================ */

/* Xanh hero TỐI hơn bản cũ #367ccd: trắng trên nền này ≈ 5.3:1 (đạt WCAG AA 4.5:1
   cho cả chữ thường — sửa loạt lỗi "Low-contrast text" của Lighthouse ở hero). */
:root{ --ux-hero: #2a67ad; }


.tt-ux{ background: var(--tt-bg); color: var(--tt-ink); }

/* ---- Container chung: GIỐNG HOMEPAGE (rộng tới 1904, gutter --tt-bar-pad) ---- */
.tt-ux-hero__inner,
.tt-ux-section__inner,
.tt-ux-cta__inner,
.tt-ux-bio__inner,
.tt-ux-deliver__inner,
.tt-ux-proof__inner,
.tt-ux-faqs__inner,
.tt-ux-quote__inner{
  width: min(100% - var(--tt-bar-side, 8px) * 2, var(--tt-bar-maxw, 1904px));
  margin-inline: auto;
  padding-inline: var(--tt-bar-pad, 28px);
}

/* ======================= HERO ======================= */
/* Nền hero:
   - KHÔNG có featured image → nền màu --ux-hero (#2a67ad); chữ trắng đạt WCAG AA sẵn.
   - CÓ featured image (.tt-ux-hero--img) → ẢNH hiện NGUYÊN BẢN, KHÔNG phủ lớp tối (ảnh vốn tối)
     để nhìn ảnh rõ/đẹp nhất. Chỉ text-shadow NHẸ trên CHỮ (không đụng ảnh) làm bảo hiểm nếu ảnh
     lỡ có vùng sáng. Muốn ảnh sạch tuyệt đối: xoá khối selector text-shadow bên dưới.
   (Lighthouse không chấm được tương phản chữ trên ẢNH nền — ghi "cần kiểm tra thủ công", không tính lỗi.) */
.tt-ux-hero{ position: relative; isolation: isolate; overflow: hidden; background: var(--ux-hero); color: #fff; padding-block: clamp(3rem, 7vw, 6rem); }
.tt-ux-hero__bg{ position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; object-fit: cover; }
.tt-ux-hero--img .tt-crumb__link,
.tt-ux-hero--img .tt-crumb__sep,
.tt-ux-hero--img .tt-crumb__cur,
.tt-ux-hero--img .tt-ux-hero__title,
.tt-ux-hero--img .tt-ux-hero__lead,
.tt-ux-hero--img .tt-ux-trust{ text-shadow: 0 1px 3px rgba(0,0,0,.55); }
.tt-ux-hero__eyebrow{ font-family: var(--tt-font-display); font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.92); margin: 0 0 1rem; }
.tt-ux-hero__title{ font-family: var(--tt-font-display); font-weight: 300; font-size: clamp(2.25rem, 5vw, 3.5rem); line-height: 1.08; letter-spacing: -.03em; color: #fff; margin: 0 0 1.25rem; max-width: 22ch; }
.tt-ux-hero__lead{ color: rgba(255,255,255,.95); font-size: 1.0625rem; line-height: 1.65; max-width: 66ch; margin: 0 0 1rem; }
.tt-ux-hero__lead:last-of-type{ margin-bottom: 0; }
.tt-ux-hero__actions{ display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.85rem; }
.tt-ux-btn{ display: inline-flex; align-items: center; justify-content: center; font-family: var(--tt-font-body); font-weight: 600; font-size: .95rem; line-height: 1.2; padding: .8rem 1.6rem; border-radius: 50px; border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease; }
.tt-ux-btn--primary{ background: #fff; color: var(--ux-hero); border-color: #fff; }
.tt-ux-btn--primary:hover{ background: #eef2f7; border-color: #eef2f7; transform: translateY(-1px); }
.tt-ux-btn--primary:focus-visible{ outline: 2px solid #fff; outline-offset: 3px; }
.tt-ux-trust{ display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; margin: 2.5rem 0 0; padding: 1.4rem 0 0; border-top: 1px solid rgba(255,255,255,.35); list-style: none; }
.tt-ux-trust li{ font-size: .9rem; font-weight: 500; color: rgba(255,255,255,.95); display: flex; align-items: center; }
.tt-ux-trust li:not(:last-child)::after{ content: "\2022"; margin-left: 1.1rem; color: rgba(255,255,255,.55); }
.tt-ux-trust strong{ font-weight: 700; color: #fff; margin-right: .35rem; }

/* Breadcrumb TRONG hero: chữ trắng đủ tương phản (thắng màu nhạt mặc định của breadcrumb.css). */
.tt-wd .tt-ux-hero .tt-crumb__link{ color: rgba(255,255,255,.92); }
.tt-wd .tt-ux-hero .tt-crumb__link:hover{ color: #fff; }
.tt-wd .tt-ux-hero .tt-crumb__sep{ color: rgba(255,255,255,.8); opacity: 1; }
.tt-wd .tt-ux-hero .tt-crumb__cur{ color: rgba(255,255,255,.92); opacity: 1; }

/* ======================= SECTION khung chung ======================= */
.tt-ux-section{ border-top: 1px solid var(--tt-line); padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-section--soft{ background: var(--tt-bg-soft); }
.tt-ux-head{ max-width: 760px; margin: 0 auto clamp(2rem, 4vw, 3rem); text-align: center; }
.tt-ux-title{ font-family: var(--tt-font-display); font-weight: 600; font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.14; letter-spacing: -.02em; color: var(--tt-ink); margin: 0; }
.tt-ux-lead{ color: var(--tt-ink-soft); font-size: 1.0625rem; line-height: 1.7; margin: 1rem 0 0; }

/* ======================= BIO + INTRO (ảnh 1 phần | text 2 phần, line phân cách) ======================= */
.tt-ux-bio{ padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-bio__grid{ max-width: 1180px; margin-inline: auto; display: grid; grid-template-columns: 1fr 2fr; gap: clamp(2rem, 4vw, 3.5rem); align-items: start; }
.tt-ux-bio__figure{ margin: 0; }
.tt-ux-bio__img{ display: block; width: 100%; aspect-ratio: 1122 / 1402; object-fit: cover; border-radius: var(--tt-radius); background: var(--tt-bg-soft); }
.tt-ux-bio__img--placeholder{ border: 1px dashed var(--tt-line); }
.tt-ux-bio__cap{ margin-top: 1rem; }
.tt-ux-bio__name{ display: block; font-weight: 600; font-size: 1.05rem; color: var(--tt-ink); }
.tt-ux-bio__role{ display: block; font-size: .9rem; color: var(--tt-ink-soft); margin-top: .15rem; }
.tt-ux-bio__text{ border-left: 1px solid var(--tt-line); padding-left: clamp(2rem, 4vw, 3.5rem); }
.tt-ux-bio__text h2{ font-family: var(--tt-font-display); font-weight: 600; font-size: clamp(1.9rem, 3.2vw, 2.5rem); line-height: 1.15; letter-spacing: -.02em; color: var(--tt-ink); margin: 0 0 1.25rem; }
.tt-ux-bio__text p{ color: var(--tt-ink-soft); font-size: 1.0625rem; line-height: 1.75; margin: 0 0 1.1rem; }
.tt-ux-bio__text p:last-child{ margin-bottom: 0; }

/* ======================= SERVICES (thẻ = .tt-card homepage) ======================= */
.tt-ux-grid{ max-width: 1260px; margin-inline: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tt-ux-card{ display: flex; flex-direction: column; min-height: 294px; padding: 28px; background: #fff; border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; text-decoration: none; color: var(--tt-ink); transition: transform .2s ease, box-shadow .2s ease; }
a.tt-ux-card:hover{ transform: translateY(-3px); box-shadow: rgba(0,0,0,.12) 0 14px 28px -8px, rgba(0,0,0,.07) 0 4px 8px -3px; }
.tt-ux-card__num{ font-weight: 500; font-size: .85rem; color: var(--tt-ink-soft); margin: 0 0 16px; }
.tt-ux-card__title{ font-size: 1.25rem; font-weight: 600; line-height: 1.3; margin: 0 0 .5rem; }
.tt-ux-card__desc{ color: rgba(0,0,0,.55); font-size: .925rem; line-height: 1.55; margin: 0; }
.tt-ux-card__tags{ list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 18px 0 0; margin-top: auto; }
.tt-ux-card__tag{ font-size: .75rem; font-weight: 500; line-height: 1; color: var(--tt-ink-soft); background: var(--tt-bg-soft); border: 1px solid var(--tt-line); border-radius: 999px; padding: 6px 11px; }
a.tt-ux-card:focus-visible{ outline: 2px solid var(--tt-accent); outline-offset: 3px; }

/* ======================= CTA band (text trái | nút phải) ======================= */
.tt-ux-cta{ border-top: 1px solid var(--tt-line); background: var(--tt-ink); color: #fff; padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.tt-ux-cta__wrap{ max-width: 1260px; margin-inline: auto; display: flex; align-items: center; gap: 2rem; }
.tt-ux-cta__title{ flex: 1 1 auto; font-family: var(--tt-font-display); font-weight: 300; font-size: clamp(1.4rem, 2.6vw, 2rem); line-height: 1.25; color: #fff; margin: 0; text-align: left; }
.tt-ux-cta__btn{ flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; background: #fff; color: var(--tt-ink); font-family: var(--tt-font-body); font-weight: 600; font-size: .95rem; padding: .8rem 1.8rem; border-radius: 50px; text-decoration: none; transition: background-color .2s ease, transform .2s ease; }
.tt-ux-cta__btn:hover{ background: #ededed; transform: translateY(-1px); }

/* ======================= DELIVER (gộp Process + Security, mẫu Our History) ======================= */
.tt-ux-deliver{ border-top: 1px solid var(--tt-line); background: var(--tt-bg-soft); padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-deliver__head{ max-width: 1180px; margin: 0 auto clamp(2rem, 4vw, 3rem); }
.tt-ux-deliver__head h2{ font-family: var(--tt-font-display); font-weight: 600; font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.14; letter-spacing: -.02em; color: var(--tt-ink); margin: 0 0 1rem; }
.tt-ux-deliver__head p{ color: var(--tt-ink-soft); font-size: 1.0625rem; line-height: 1.7; margin: 0; max-width: 760px; }
.tt-ux-deliver__grid{ max-width: 1180px; margin-inline: auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2.5rem, 5vw, 5rem); align-items: start; }
.tt-ux-deliver__text{ position: sticky; top: calc(var(--tt-bar-top, 5px) + var(--tt-bar-h, 64px) + 1.5rem); }
.tt-ux-deliver__text h3{ font-family: var(--tt-font-display); font-weight: 600; font-size: clamp(1.4rem, 2.4vw, 1.75rem); line-height: 1.2; color: var(--tt-ink); margin: 0 0 1.1rem; }
.tt-ux-deliver__text p{ color: var(--tt-ink-soft); font-size: 1rem; line-height: 1.7; margin: 0 0 1rem; }
.tt-ux-deliver__text p:last-child{ margin-bottom: 0; }
.tt-ux-deliver__steps{ position: relative; list-style: none; margin: 0; padding: 0; }
.tt-ux-deliver__steps::before{ content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background: var(--tt-line); }
.tt-ux-deliver__steps::after{ content: ""; position: absolute; left: 0; top: 0; width: 1px; height: calc(var(--tt-progress, 0) * 100%); background: var(--tt-ink); }
.tt-ux-dstep{ padding: 0 0 clamp(1.75rem, 3vw, 2.5rem) 1.75rem; }
.tt-ux-dstep:last-child{ padding-bottom: 0; }
.tt-ux-dstep__num{ display: block; font-weight: 500; font-size: .85rem; color: var(--tt-ink-soft); margin: 0 0 .5rem; }
.tt-ux-dstep__title{ font-size: 1.15rem; font-weight: 600; line-height: 1.3; margin: 0 0 .4rem; color: var(--tt-ink); }
.tt-ux-dstep__desc{ color: var(--tt-ink-soft); font-size: .95rem; line-height: 1.6; margin: 0; }

/* ======================= ENGAGEMENT models + thẻ pricing ======================= */
.tt-ux-models{ max-width: 1260px; margin-inline: auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.tt-ux-model{ background: #fff; border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; padding: 1.5rem 1.75rem; }
.tt-ux-model h3{ font-size: 1.1rem; font-weight: 600; margin: 0 0 .45rem; color: var(--tt-ink); }
.tt-ux-model p{ color: var(--tt-ink-soft); font-size: .95rem; line-height: 1.6; margin: 0; }
.tt-ux-pricing-card{ max-width: 1260px; margin: clamp(1.5rem, 3vw, 2.25rem) auto 0; background: #fff; border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; padding: clamp(1.5rem, 3vw, 2rem) clamp(1.5rem, 3vw, 2.25rem); border-left: 3px solid var(--tt-ink); }
.tt-ux-pricing-card__title{ font-size: 1.2rem; font-weight: 600; margin: 0 0 .6rem; color: var(--tt-ink); }
.tt-ux-pricing-card__desc{ color: var(--tt-ink-soft); font-size: 1rem; line-height: 1.7; margin: 0; }

/* ======================= TECH groups ======================= */
.tt-ux-tech{ max-width: 1260px; margin-inline: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.tt-ux-tech__item{ border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; padding: 1.5rem; background: #fff; }
.tt-ux-tech__item h3{ font-size: 1.05rem; font-weight: 600; margin: 0 0 .5rem; color: var(--tt-ink); }
.tt-ux-tech__item p{ color: var(--tt-ink-soft); font-size: .92rem; line-height: 1.6; margin: 0; }

/* ======================= INDUSTRIES (thẻ link, bo 6px như homepage) ======================= */
.tt-ux-inds{ max-width: 1260px; margin-inline: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.tt-ux-icard{ display: flex; flex-direction: column; padding: 28px; background: #fff; border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; text-decoration: none; color: var(--tt-ink); transition: transform .2s ease, box-shadow .2s ease; }
a.tt-ux-icard:hover{ transform: translateY(-3px); box-shadow: rgba(0,0,0,.12) 0 14px 28px -8px, rgba(0,0,0,.07) 0 4px 8px -3px; }
.tt-ux-icard__title{ font-size: 1.2rem; font-weight: 600; line-height: 1.3; margin: 0 0 .5rem; }
.tt-ux-icard__desc{ color: rgba(0,0,0,.55); font-size: .95rem; line-height: 1.6; margin: 0; }
a.tt-ux-icard:focus-visible{ outline: 2px solid var(--tt-accent); outline-offset: 3px; }

/* ======================= WHY (mẫu What we stand for: viền trên 2px đen) ======================= */
.tt-ux-why-grid{ max-width: 1260px; margin-inline: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.tt-ux-why-item{ padding-top: 1.4rem; border-top: 2px solid var(--tt-ink); }
.tt-ux-why-item__title{ font-size: 1.2rem; font-weight: 600; line-height: 1.3; margin: 0 0 .6rem; color: var(--tt-ink); }
.tt-ux-why-item__desc{ color: rgba(0,0,0,.55); font-size: .95rem; line-height: 1.6; margin: 0; }

/* ======================= PROOF / CASE STUDIES (head căn trái) ======================= */
.tt-ux-proof{ border-top: 1px solid var(--tt-line); padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-proof__head{ max-width: 1260px; margin-inline: auto; }
.tt-ux-proof__head h2{ font-family: var(--tt-font-display); font-weight: 600; font-size: clamp(1.9rem, 3.4vw, 2.6rem); line-height: 1.14; letter-spacing: -.02em; color: var(--tt-ink); margin: 0 0 1rem; }
.tt-ux-proof__head p{ color: var(--tt-ink-soft); font-size: 1.0625rem; line-height: 1.7; margin: 0; max-width: 760px; }
.tt-ux-cases{ max-width: 1260px; margin: clamp(2rem, 4vw, 3rem) auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.tt-ux-case{ display: flex; flex-direction: column; min-height: 240px; padding: 28px; background: #fff; border: 1px solid #e2e2de; border-radius: 6px; box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px; text-decoration: none; color: var(--tt-ink); transition: transform .2s ease, box-shadow .2s ease; }
a.tt-ux-case:hover{ transform: translateY(-3px); box-shadow: rgba(0,0,0,.12) 0 14px 28px -8px, rgba(0,0,0,.07) 0 4px 8px -3px; }
.tt-ux-case__tag{ align-self: flex-start; font-size: .7rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--tt-ink-soft); background: var(--tt-bg-soft); border: 1px solid var(--tt-line); border-radius: 999px; padding: 5px 10px; margin: 0 0 14px; }
.tt-ux-case__title{ font-size: 1.15rem; font-weight: 600; line-height: 1.3; margin: 0 0 .5rem; color: var(--tt-ink); }
.tt-ux-case__desc{ color: rgba(0,0,0,.55); font-size: .925rem; line-height: 1.55; margin: 0; }
.tt-ux-case__more{ margin-top: auto; padding-top: 18px; font-weight: 600; font-size: .9rem; color: var(--tt-ink); }
.tt-ux-case__more::after{ content: " \2192"; }
a.tt-ux-case:hover .tt-ux-case__more{ text-decoration: underline; text-underline-offset: 3px; }
a.tt-ux-case:focus-visible{ outline: 2px solid var(--tt-accent); outline-offset: 3px; }
.tt-ux-stats{ display: flex; flex-wrap: wrap; justify-content: center; gap: 1.5rem 2.75rem; max-width: 900px; margin: clamp(2.5rem, 5vw, 3.5rem) auto 0; padding-top: 1.75rem; border-top: 1px solid var(--tt-line); list-style: none; }
.tt-ux-stat{ text-align: center; }
.tt-ux-stat__num{ display: block; font-family: var(--tt-font-display); font-weight: 300; font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1; color: var(--tt-ink); }
.tt-ux-stat__label{ display: block; font-size: .85rem; color: var(--tt-ink-soft); margin-top: .4rem; }

/* ======================= FAQ — ACCORDION mọi kích thước màn hình =======================
   Tái dùng markup .tt-faq2 nhưng bỏ tablist 2 cột: desktop dùng đúng cơ chế accordion của
   mobile (faqs.js — .tt-faq2__panelname). Selector 3 lớp (.tt-ux-faqs .tt-faq2--stack …)
   thắng cả rule desktop lẫn rule trong media query của faqs.css. */
.tt-ux-faqs{ border-top: 1px solid var(--tt-line); padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-faqs .tt-faq2--stack{ display: block; max-width: 980px; margin-inline: auto; margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panels{
  border-left: 0; padding-left: 0;
  background: #fff; border: 1px solid #e2e2de; border-radius: 6px;
  box-shadow: rgba(0,0,0,.1) 0 4px 8px -2px, rgba(0,0,0,.06) 0 2px 4px -2px;
  overflow: hidden;
}
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panel{ display: block; border-top: 1px solid var(--tt-line); }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panel:first-child{ border-top: 0; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panelname{
  display: flex; align-items: center; gap: .8rem; width: 100%; text-align: left;
  background: none; border: 0; cursor: pointer;
  padding: clamp(1.05rem, 2vw, 1.35rem) clamp(1.1rem, 2.5vw, 1.75rem);
}
.tt-ux-faqs .tt-faq2--stack .tt-faq2__pnum{ flex: 0 0 auto; font-family: var(--tt-font-body); font-weight: 500; font-size: .85rem; color: var(--tt-ink-soft); }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__pntext{ flex: 1 1 auto; min-width: 0; font-family: var(--tt-font-display); font-size: clamp(1.0625rem, 1.4vw, 1.125rem); font-weight: 600; line-height: 1.4; color: var(--tt-ink); }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__arrow{ flex: 0 0 auto; width: 18px; height: 18px; color: var(--tt-ink-soft); transition: transform .3s ease; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panel.is-open .tt-faq2__arrow{ transform: rotate(90deg); }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panelname:hover .tt-faq2__pntext{ text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1.5px; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panelname:focus-visible{ outline: 2px solid var(--tt-accent); outline-offset: -2px; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__answer{ max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__panel.is-open .tt-faq2__answer{ max-height: 900px; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__abox{ background: none; border: 0; border-radius: 0; box-shadow: none; padding: 0 clamp(1.1rem, 2.5vw, 1.75rem) clamp(1.1rem, 2vw, 1.4rem); max-width: 75ch; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__abox > *{ margin: 0; }
.tt-ux-faqs .tt-faq2--stack .tt-faq2__abox > * + *{ margin-top: .9rem; }

/* ======================= QUOTE / FORM (#sw-quote) ======================= */
.tt-ux-quote{ border-top: 1px solid var(--tt-line); background: var(--tt-bg-soft); padding-block: clamp(3rem, 6vw, 5.5rem); }
.tt-ux-quote__grid{ max-width: 1080px; margin-inline: auto; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.tt-ux-quote__intro h2{ font-family: var(--tt-font-display); font-weight: 300; font-size: clamp(1.9rem, 3.5vw, 2.75rem); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 1rem; color: var(--tt-ink); }
.tt-ux-quote__intro p{ color: var(--tt-ink-soft); font-size: 1.0625rem; line-height: 1.7; margin: 0 0 1rem; }
.tt-ux-quote__contact{ font-size: .95rem; }
.tt-ux-quote__contact a{ color: var(--tt-ink); text-decoration: underline; text-underline-offset: 2px; }

/* ======================= POPUP FORM (.tt-ux-modal — mẫu .tt-modal homepage) =======================
   Mở từ nút Hero + 2 dải CTA (web.js). Form bên trong = .tt-ap-form (advertising.css)
   nên bỏ khung thẻ của form để khỏi "thẻ trong thẻ". z-index 3000 > header (1000). */
.tt-ux-modal{ position: fixed; inset: 0; z-index: 3000; display: none; align-items: center; justify-content: center; padding: clamp(1rem, 3vw, 2rem); }
.tt-ux-modal.is-open{ display: flex; }
body.tt-ux-modal-open{ overflow: hidden; }
.tt-ux-modal__backdrop{ position: absolute; inset: 0; background: rgba(10,10,10,.55); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.tt-ux-modal__panel{
  position: relative;
  width: 100%; max-width: 640px;
  max-height: calc(100dvh - 2rem); overflow-y: auto;
  background: #fff; border: 1px solid #eceff0; border-radius: 14px;
  padding: clamp(1.75rem, 4vw, 44px);
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
}
.tt-ux-modal__close{
  position: absolute; top: 14px; right: 14px;
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: none; border: 0; border-radius: 50%; cursor: pointer; color: var(--tt-ink-soft);
  transition: background-color .15s ease, color .15s ease;
}
.tt-ux-modal__close:hover{ background: var(--tt-bg-soft); color: var(--tt-ink); }
.tt-ux-modal__close:focus-visible{ outline: 2px solid var(--tt-accent); outline-offset: 2px; }
.tt-ux-modal .tt-ap-form{ background: none; border: 0; border-radius: 0; box-shadow: none; padding: 0; }
.tt-ux-modal .tt-ap-form__title{ font-size: clamp(1.35rem, 2.4vw, 1.6rem); margin: 0 2.5rem .35rem 0; }

/* ======================= RESPONSIVE ======================= */
@media (max-width: 1024px){
  .tt-ux-grid{ grid-template-columns: repeat(2, 1fr); max-width: 832px; }
  .tt-ux-inds{ grid-template-columns: repeat(2, 1fr); max-width: 832px; }
  .tt-ux-tech{ grid-template-columns: repeat(2, 1fr); }
  .tt-ux-why-grid{ grid-template-columns: repeat(2, 1fr); }
  .tt-ux-cases{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px){
  .tt-ux-deliver__grid{ grid-template-columns: 1fr; gap: 2.5rem; }
  .tt-ux-deliver__text{ position: static; }
  .tt-ux-models{ grid-template-columns: 1fr; }
}
@media (max-width: 768px){
  .tt-ux-bio__grid{ grid-template-columns: 1fr; gap: 1.5rem; }
  .tt-ux-bio__text{ border-left: 0; padding-left: 0; }
  .tt-ux-bio__img{ border-radius: 0; }
  .tt-ux-bio__figure{ width: 100vw; margin-left: calc(50% - 50vw); }
  .tt-ux-bio__cap{ padding-inline: var(--tt-bar-pad, 28px); }
  .tt-ux-quote__grid{ grid-template-columns: 1fr; }
  .tt-ux-cta__wrap{ flex-direction: column; align-items: flex-start; gap: 1.25rem; }
}
@media (max-width: 560px){
  .tt-ux-grid{ grid-template-columns: 1fr; max-width: 420px; }
  .tt-ux-inds{ grid-template-columns: 1fr; max-width: 420px; }
  .tt-ux-tech{ grid-template-columns: 1fr; }
  .tt-ux-why-grid{ grid-template-columns: 1fr; }
  .tt-ux-cases{ grid-template-columns: 1fr; }
  .tt-ux-card{ padding: 24px; min-height: 0; }
  .tt-ux-icard,
  .tt-ux-case{ padding: 24px; }
}