/* verix.vn — lớp phủ CHỈ của verix.vn, nạp SAU style.css (style.css vẫn chung với argent.vn).
   Giữ màu thương hiệu tối–bạc–xanh thép (plan §7.1: ⛔ đổi màu chỉ để thấy mới). Thêm: hero có ảnh sản phẩm
   thật, lưới phân hệ, quy trình, FAQ, trang con. HTML do tools/build_verix.py sinh. */

.nav a[aria-current="page"], .menu-panel a[aria-current="page"] { opacity: 1; color: var(--accent-light); }
.topbar.is-solid .nav a[aria-current="page"] { color: var(--accent); }
.nav { gap: 28px; }
@media (max-width: 1040px) { .bar-end .btn { display: none; } }
@media (max-width: 860px) { .nav { display: none; } .menu { display: block; } }

/* ---------- Hero ---------- */
.v-hero { background: var(--dark-0); overflow: hidden; padding: calc(var(--bar-h) + clamp(40px, 7vw, 96px)) 0 clamp(56px, 7vw, 96px); }
.v-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: url(art-ribbon.svg) 80% 20% / cover no-repeat;
}
.v-hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, rgba(8, 11, 16, .92) 0%, rgba(8, 11, 16, .55) 55%, rgba(8, 11, 16, .2) 100%);
}
.v-hero > .wrap { position: relative; z-index: 2; }
.v-hero-text { max-width: 820px; }
.v-hero h1 { margin: 22px 0 0; font-size: clamp(34px, 5.4vw, 76px); line-height: 1.06; letter-spacing: -.028em; font-weight: 500; }
.v-hero.is-page h1 { font-size: clamp(30px, 4.2vw, 58px); max-width: 24ch; }
.v-hero .lead { margin-top: 26px; max-width: 40em; font-size: clamp(17px, 1.4vw, 20px); line-height: 1.65; color: var(--on-dark-2); }
.v-hero .actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.trust { list-style: none; margin: 40px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 28px; font-size: 15px; color: var(--on-dark-2); }
.trust li { display: inline-flex; align-items: center; gap: 10px; }
.trust li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-light); }

/* khung ảnh sản phẩm thật */
.frame { margin: clamp(40px, 5vw, 64px) 0 0; border-radius: 12px; overflow: hidden; background: #fff; border: 1px solid rgba(196, 212, 230, .28); box-shadow: 0 40px 80px rgba(0, 0, 0, .45); }
.frame-bar { display: flex; gap: 7px; padding: 11px 14px; background: #eef1f5; border-bottom: 1px solid #dde2e9; }
.frame-bar i { width: 10px; height: 10px; border-radius: 50%; background: #c6ceda; }
.frame img { width: 100%; height: auto; display: block; }
.frame figcaption { padding: 10px 16px; font-size: 13px; color: var(--ink-3); background: #f6f8fa; border-top: 1px solid #e6eaf0; }
.sec:not(.sec-dark) .frame { box-shadow: 0 24px 60px rgba(15, 22, 38, .14); border-color: var(--line); }
.v-hero .frame { max-width: 1100px; }
.shots .wrap { display: grid; gap: 0 32px; grid-template-columns: 1fr 1fr; }
.shots .frame { margin-top: 0; }
@media (max-width: 860px) { .shots .wrap { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Khối ---------- */
.sec-first { padding-top: clamp(48px, 6vw, 88px); }
.sec:not(.sec-dark) .label { color: var(--accent); }
.items.cols-4 { grid-template-columns: repeat(4, 1fr); }
.items.cols-5 { grid-template-columns: repeat(5, 1fr); gap: 0 28px; }
.sec:not(.sec-dark) .items .n { color: var(--accent); font-weight: 500; }
.sec-dark .items .n { color: var(--accent-light); }
.items.flow li .link-arrow { margin-top: 16px; font-size: 14px; }
@media (max-width: 1100px) { .items.cols-5 { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 960px) { .items.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px) { .items.cols-5, .items.cols-4 { grid-template-columns: 1fr; } }
.more { margin-top: clamp(32px, 4vw, 48px); display: flex; flex-wrap: wrap; gap: 12px; }
.head + .more { margin-left: calc(25% + 12px); }
@media (max-width: 760px) { .head + .more { margin-left: 0; } }
.sec-dark .link-arrow { color: var(--accent-light); }
.sec-dark .btn-line { color: var(--on-dark); }
.sec:not(.sec-dark) .btn-line { color: var(--ink); border-color: #b9c4d3; }
.sec:not(.sec-dark) .btn-line:hover { border-color: var(--ink); background: transparent; }

.chips { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.chips li { padding: 9px 16px; font-size: 15px; border: 1px solid rgba(196, 212, 230, .3); border-radius: 999px; color: var(--on-dark); background: rgba(255, 255, 255, .04); }
#ket-cau-thep .actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }

/* thẻ phân hệ */
.mods { margin-top: clamp(40px, 5vw, 64px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.mods.full { margin-top: 0; }
.mod { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .2s, box-shadow .2s; scroll-margin-top: calc(var(--bar-h) + 16px); }
.mod:hover { border-color: var(--accent); box-shadow: 0 14px 30px rgba(43, 103, 163, .12); }
.mod-ico svg { width: 30px; height: 30px; fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.mod h3 { margin-top: 18px; font-size: 21px; line-height: 1.3; }
.mod p { margin-top: 10px; color: var(--ink-2); }
.mod-funcs { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; font-size: 15px; color: var(--ink-2); }
.mod-funcs li { position: relative; padding-left: 18px; }
.mod-funcs li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.mod .link-arrow { margin-top: auto; padding-top: 22px; font-size: 15px; }
@media (max-width: 1040px) { .mods { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .mods { grid-template-columns: 1fr; } }

/* FAQ */
.faqs { margin-top: clamp(32px, 4vw, 56px); max-width: 860px; margin-left: calc(25% + 12px); border-bottom: 1px solid var(--line); }
.faq { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 36px 22px 0; font-size: 19px; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font-size: 26px; font-weight: 300; color: var(--accent); }
.faq[open] summary::after { content: "–"; }
.faq p { padding: 0 36px 24px 0; color: var(--ink-2); max-width: 40em; }
@media (max-width: 760px) { .faqs { margin-left: 0; } }

/* trang demo / CTA */
.v-cta { background: var(--dark-1); }
.v-cta .actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.need { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; max-width: 40em; color: var(--ink-2); }
.need li { position: relative; padding-left: 22px; }
.need li::before { content: ""; position: absolute; left: 0; top: .7em; width: 8px; height: 1.5px; background: var(--accent); }
.head.contact .more { margin-left: 0; }
.contact .mail { font-size: clamp(26px, 4.4vw, 56px); }
.v-hero h1 .l { display: block; }

/* hình trừu tượng thay ảnh giao diện (⛔ không đưa ảnh chụp thật lên web — tài liệu mật) */
.art-panel { margin: clamp(40px, 5vw, 64px) 0 0; border-radius: 12px; overflow: hidden; aspect-ratio: 3 / 1; background: linear-gradient(135deg, #0b1017 0%, #152030 100%); border: 1px solid rgba(196, 212, 230, .22); box-shadow: 0 30px 60px rgba(8, 11, 16, .3); }
.art-panel img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: .9; }
.v-hero .art-panel { max-width: 1100px; }
.shots .art-panel { margin-top: 0; aspect-ratio: 16 / 9; }
@media (max-width: 560px) { .art-panel { aspect-ratio: 16 / 9; } }