/* ==========================================================================
   VISTA VALOR TRADING SDN BHD — main stylesheet
   Theme: black + metallic gold (from the logo), technical / datasheet feel.
   Built on Bootstrap 5.3 (loaded from CDN before this file).
   ========================================================================== */

:root {
  /* Brand colours sampled from the Vista Valor logo */
  --vv-gold: #b8913a;
  --vv-gold-dark: #8a6a24;
  --vv-gold-light: #e6d27a;
  --vv-gold-soft: #f6efd9;
  --vv-grad: linear-gradient(135deg, #ecdb86 0%, #c9a74c 45%, #8f6d25 100%);
  --vv-ink: #14120e;
  --vv-ink-2: #1f1c16;
  --vv-paper: #f7f5ef;
  --vv-line: #e6e0d2;
  --vv-text: #3b3832;
  --vv-muted: #6f6a5e;
  --vv-radius: 4px;
  --vv-shadow: 0 18px 40px rgba(20, 18, 14, .10);

  --vv-font-body: "IBM Plex Sans", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --vv-font-head: "Space Grotesk", "Noto Sans SC", system-ui, sans-serif;
  --vv-font-mono: "IBM Plex Mono", "Noto Sans SC", ui-monospace, monospace;
  --vv-font-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--vv-font-body);
  color: var(--vv-text);
  background: #fff;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--vv-font-head); color: var(--vv-ink); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
html[lang="zh-Hans"] body { font-family: var(--vv-font-zh); }
html[lang="zh-Hans"] h1, html[lang="zh-Hans"] h2, html[lang="zh-Hans"] h3 { font-family: var(--vv-font-zh); letter-spacing: .01em; line-height: 1.35; }

a { color: var(--vv-gold-dark); }
a:hover { color: var(--vv-ink); }
[id] { scroll-margin-top: 90px; }
.mono { font-family: var(--vv-font-mono); }

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 2000;
  background: var(--vv-gold-light); color: var(--vv-ink); padding: .5rem 1rem; font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* ---------- Buttons ---------- */
.btn { border-radius: 50rem; font-weight: 600; padding: .78rem 1.6rem; border-width: 1.5px; transition: background .2s, color .2s, border-color .2s; }
.btn-gold { background: var(--vv-grad); border-color: transparent; color: var(--vv-ink); }
.btn-gold:hover, .btn-gold:focus { background: var(--vv-ink); border-color: var(--vv-ink); color: var(--vv-gold-light); }
.btn-ink { background: var(--vv-ink); border-color: var(--vv-ink); color: #fff; }
.btn-ink:hover, .btn-ink:focus { background: var(--vv-ink-2); border-color: var(--vv-ink-2); color: var(--vv-gold-light); }
.btn-line { background: transparent; border-color: var(--vv-ink); color: var(--vv-ink); }
.btn-line:hover, .btn-line:focus { background: var(--vv-ink); color: #fff; }
.btn-gold-light { background: var(--vv-grad); border-color: transparent; color: var(--vv-ink); }
.btn-gold-light:hover, .btn-gold-light:focus { background: #fff; border-color: #fff; color: var(--vv-ink); }
.btn-outline-white { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
.btn-outline-white:hover, .btn-outline-white:focus { background: #fff; border-color: #fff; color: var(--vv-ink); }
.btn-whatsapp { background: #25d366; border-color: #25d366; color: #fff; }
.btn-whatsapp:hover, .btn-whatsapp:focus { background: #1ebe5a; border-color: #1ebe5a; color: #fff; }
.btn i { transition: transform .2s; }
.btn:hover .bi-arrow-right, .btn:hover .bi-arrow-up-right { transform: translateX(3px); }

/* ---------- Top bar ---------- */
.topbar { background: var(--vv-ink); color: rgba(255,255,255,.6); font-family: var(--vv-font-mono); font-size: .76rem; letter-spacing: .03em; padding: .5rem 0; }
.topbar a { color: rgba(255,255,255,.8); text-decoration: none; margin-left: 1.5rem; }
.topbar a:hover { color: var(--vv-gold-light); }
.topbar i { color: var(--vv-gold-light); margin-right: .4rem; }

/* ---------- Navbar ---------- */
.vv-navbar { background: rgba(255,255,255,.97); border-bottom: 1px solid var(--vv-line); padding: 0; z-index: 1030; transition: box-shadow .25s; }
.vv-navbar.scrolled { box-shadow: 0 8px 24px rgba(20,18,14,.08); }
.vv-navbar > .container { min-height: 74px; }
.vv-navbar .navbar-brand { display: flex; align-items: center; gap: .7rem; margin-right: 1rem; }
.vv-navbar .navbar-brand img { width: 48px; height: 48px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-family: var(--vv-font-head); color: var(--vv-ink); font-size: 1.15rem; letter-spacing: .03em; font-weight: 700; }
.brand-text small { font-family: var(--vv-font-mono); color: var(--vv-muted); font-size: .62rem; letter-spacing: .16em; margin-top: 3px; }
.vv-navbar .nav-link {
  color: var(--vv-ink); font-weight: 600; font-size: .82rem; text-transform: uppercase; letter-spacing: .07em;
  padding: 1.6rem .95rem !important; position: relative;
}
html[lang="zh-Hans"] .vv-navbar .nav-link { font-size: .95rem; letter-spacing: .04em; }
.vv-navbar .nav-link:hover, .vv-navbar .nav-link.active { color: var(--vv-gold-dark); }
@media (min-width: 992px) {
  .vv-navbar .nav-link::after {
    content: ""; position: absolute; left: .95rem; right: .95rem; bottom: -1px; height: 3px;
    background: var(--vv-gold); transform: scaleX(0); transition: transform .25s;
  }
  .vv-navbar .nav-link:hover::after, .vv-navbar .nav-link.active::after { transform: scaleX(1); }
}
.navbar-toggler { border: 1.5px solid var(--vv-ink); border-radius: 50rem; padding: .4rem .65rem; }
.navbar-toggler:focus { box-shadow: 0 0 0 .2rem rgba(184,145,58,.25); }
.lang-switch { display: inline-flex; border: 1.5px solid var(--vv-ink); border-radius: 50rem; overflow: hidden; padding: 2px; gap: 2px; }
.lang-switch .btn { border: 0; border-radius: 50rem; font-size: .78rem; font-weight: 600; color: var(--vv-ink); padding: .32rem .75rem; background: transparent; }
.lang-switch .btn.active { background: var(--vv-ink); color: #fff; }
.lang-switch .btn:hover:not(.active) { background: var(--vv-gold-soft); }

@media (max-width: 991.98px) {
  .vv-navbar > .container { min-height: 66px; }
  .vv-navbar .navbar-collapse { border-top: 1px solid var(--vv-line); }
  .vv-navbar .nav-link { padding: .85rem 0 !important; border-bottom: 1px solid var(--vv-line); }
  .vv-navbar .navbar-nav { padding-bottom: .5rem; }
  .vv-navbar .nav-item:last-child .nav-link { border-bottom: 0; }
}
@media (max-width: 400px) {
  .brand-text strong { font-size: 1rem; }
  .brand-text small { font-size: .56rem; letter-spacing: .1em; }
  .vv-navbar .navbar-brand img { width: 40px; height: 40px; }
}

/* ---------- Section basics ---------- */
.section { padding: 100px 0; }
@media (max-width: 767.98px) { .section { padding: 68px 0; } }
.bg-paper { background: var(--vv-paper); }

.tag {
  display: inline-flex; align-items: center; gap: .55rem; margin-bottom: 1rem;
  font-family: var(--vv-font-mono); font-size: .76rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--vv-gold-dark);
}
.tag::before { content: ""; width: 8px; height: 8px; background: currentColor; flex-shrink: 0; }
.section-title { font-size: clamp(1.85rem, 3.2vw, 2.7rem); margin-bottom: 1rem; }
.section-lead { color: var(--vv-muted); font-size: 1.06rem; }
.section-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 1rem 3rem;
  margin-bottom: 3rem; padding-bottom: 1.75rem; border-bottom: 1px solid var(--vv-line);
}
.section-head .section-title { margin: 0; max-width: 620px; }
.section-head .section-lead { margin: 0; max-width: 440px; }

/* Grid pattern used on light hero areas */
.grid-bg { position: relative; }
.grid-bg::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(184,145,58,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,145,58,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}
.grid-bg > .container { position: relative; }

/* ---------- Home hero ---------- */
.hero { background: var(--vv-paper); padding-top: 92px; overflow: hidden; }
.hero h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.05; margin-bottom: 1.5rem; }
html[lang="zh-Hans"] .hero h1 { line-height: 1.25; }
.hl { color: var(--vv-gold-dark); background: linear-gradient(transparent 70%, rgba(230,210,122,.7) 70%); padding: 0 .08em; }
.hero .lead { color: var(--vv-muted); font-size: 1.15rem; max-width: 560px; margin-bottom: 2.25rem; }
@media (max-width: 767.98px) { .hero { padding-top: 60px; } }

.hero-art { position: relative; max-width: 580px; margin: 0 auto; padding-bottom: 2.5rem; }
.hero-art img { display: block; width: 100%; height: auto; }
.hero-badge {
  position: absolute; display: inline-flex; align-items: center; gap: .55rem; padding: .55rem 1rem .55rem .55rem;
  background: #fff; border-radius: 50rem; box-shadow: 0 12px 28px rgba(20,18,14,.14);
  font-family: var(--vv-font-head); font-weight: 600; font-size: .9rem; color: var(--vv-ink); white-space: nowrap;
}
html[lang="zh-Hans"] .hero-badge { font-family: var(--vv-font-zh); }
.hero-badge i {
  width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-size: .95rem;
  background: var(--vv-grad); color: var(--vv-ink);
}
.hero-badge.b1 { left: 0; top: 6%; }
.hero-badge.b2 { right: 0; bottom: 0; }
.hero-badge.b3 { left: 4%; bottom: 0; }
@media (max-width: 575.98px) { .hero-badge { font-size: .78rem; padding: .4rem .8rem .4rem .4rem; } .hero-badge i { width: 26px; height: 26px; font-size: .8rem; } .hero-badge.b3 { left: 0; } }

.hero-strip { margin-top: 92px; background: #fff; border-top: 1px solid var(--vv-line); border-bottom: 1px solid var(--vv-line); position: relative; }
.strip-item { padding: 1.9rem 1.5rem; height: 100%; display: flex; gap: 1rem; align-items: flex-start; }
.strip-item > i { font-size: 1.5rem; color: var(--vv-gold); line-height: 1; margin-top: .15rem; }
.strip-item h3 { font-size: 1.02rem; margin-bottom: .25rem; }
.strip-item p { font-size: .9rem; color: var(--vv-muted); margin: 0; line-height: 1.55; }
@media (min-width: 992px) {
  .hero-strip .col-lg-3 + .col-lg-3 .strip-item { border-left: 1px solid var(--vv-line); }
  .hero-strip .col-lg-3:first-child .strip-item { padding-left: 0; }
}
@media (max-width: 991.98px) {
  .hero-strip { margin-top: 64px; }
  .hero-strip .col-sm-6:nth-child(even) .strip-item { border-left: 1px solid var(--vv-line); }
  .hero-strip .col-sm-6:nth-child(n+3) .strip-item { border-top: 1px solid var(--vv-line); }
}
@media (max-width: 575.98px) {
  .hero-strip .col-sm-6 .strip-item { border-left: 0 !important; padding-left: 0; padding-right: 0; }
  .hero-strip .col-sm-6 + .col-sm-6 .strip-item { border-top: 1px solid var(--vv-line); }
}

/* ---------- Check list ---------- */
.check-list { list-style: none; padding: 0; margin: 0 0 2rem; }
.check-list li { position: relative; padding: .7rem 0 .7rem 2rem; border-bottom: 1px dashed var(--vv-line); font-weight: 500; color: var(--vv-ink); }
.check-list li::before {
  content: "\F633"; font-family: "bootstrap-icons"; position: absolute; left: 0; top: .72rem;
  color: var(--vv-gold); font-size: 1.1rem; line-height: 1.5;
}
@media (min-width: 576px) { .check-list.two-col { display: grid; grid-template-columns: 1fr 1fr; column-gap: 2rem; } }

/* ---------- Home about ---------- */
.loc-card { display: flex; gap: 1rem; align-items: center; border: 1px solid var(--vv-line); border-left: 4px solid var(--vv-gold); padding: 1.1rem 1.25rem; margin-top: 1.5rem; max-width: 420px; }
.loc-card i { font-size: 1.5rem; color: var(--vv-gold); }
.loc-card small { display: block; font-family: var(--vv-font-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--vv-muted); }
.loc-card strong { color: var(--vv-ink); font-family: var(--vv-font-head); font-size: 1.08rem; }
.about-lead { font-size: 1.2rem; color: var(--vv-ink); font-weight: 500; line-height: 1.6; }

/* ---------- Service tiles (home) ---------- */
.tile-grid { border-top: 1px solid var(--vv-line); border-left: 1px solid var(--vv-line); }
.svc-tile {
  position: relative; display: flex; flex-direction: column; height: 100%; padding: 2.4rem 2rem 2rem;
  background: #fff; color: var(--vv-text); text-decoration: none;
  border-right: 1px solid var(--vv-line); border-bottom: 1px solid var(--vv-line); transition: background .3s, color .3s;
}
.svc-tile > i { font-size: 2.1rem; color: var(--vv-gold); margin-bottom: 1.6rem; line-height: 1; transition: color .3s; }
.svc-no { position: absolute; top: 1.6rem; right: 1.75rem; font-family: var(--vv-font-mono); font-size: .78rem; color: var(--vv-muted); transition: color .3s; }
.svc-tile h3 { font-size: 1.25rem; margin-bottom: .65rem; transition: color .3s; }
.svc-tile p { font-size: .95rem; color: var(--vv-muted); flex-grow: 1; margin-bottom: 1.5rem; transition: color .3s; }
.svc-more { font-weight: 600; font-size: .88rem; color: var(--vv-ink); display: inline-flex; align-items: center; gap: .4rem; text-transform: uppercase; letter-spacing: .06em; transition: color .3s; }
.svc-tile:hover { background: var(--vv-ink); color: #fff; }
.svc-tile:hover h3 { color: #fff; }
.svc-tile:hover p, .svc-tile:hover .svc-no { color: rgba(255,255,255,.65); }
.svc-tile:hover .svc-more { color: var(--vv-gold-light); }
.svc-tile:hover > i { color: var(--vv-gold-light); }

/* ---------- Dark section (why us) ---------- */
.section-dark { background: var(--vv-ink); color: rgba(255,255,255,.75); }
.section-dark .tag { color: var(--vv-gold-light); }
.section-dark .section-title, .section-dark h3 { color: #fff; }
.section-dark .section-lead { color: rgba(255,255,255,.65); }
.why-item { padding: 1.8rem 1.5rem 1.8rem 0; border-top: 1px solid rgba(255,255,255,.12); height: 100%; }
.why-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.why-top i { font-size: 1.6rem; color: var(--vv-gold-light); line-height: 1; }
.why-top span { font-family: var(--vv-font-mono); font-size: .76rem; color: rgba(255,255,255,.35); }
.why-item h3 { font-size: 1.12rem; margin-bottom: .4rem; }
.why-item p { font-size: .94rem; color: rgba(255,255,255,.62); margin: 0; }
@media (min-width: 768px) { .why-grid > .col-md-6:nth-child(even) .why-item { padding-left: 1.75rem; border-left: 1px solid rgba(255,255,255,.12); } }

/* ---------- Industries ---------- */
.chip-list { display: flex; flex-wrap: wrap; gap: .75rem; }
.chip {
  display: inline-flex; align-items: center; gap: .6rem; padding: .8rem 1.3rem; background: #fff;
  border: 1.5px solid var(--vv-line); border-radius: 999px; font-weight: 600; color: var(--vv-ink); font-size: .95rem; transition: border-color .2s, background .2s;
}
.chip i { color: var(--vv-gold); font-size: 1.15rem; }
.chip:hover { border-color: var(--vv-gold); background: var(--vv-gold-soft); }

/* ---------- CTA strip ---------- */
.cta-strip {
  padding: 76px 0; color: rgba(20,18,14,.8);
  background:
    repeating-linear-gradient(-45deg, rgba(255,255,255,.12) 0 2px, transparent 2px 16px),
    var(--vv-grad);
}
.cta-strip h2 { color: var(--vv-ink); font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: .5rem; }
.cta-strip p { margin: 0; font-size: 1.06rem; }
@media (max-width: 991.98px) { .cta-strip { text-align: center; } }

/* ---------- Inner page hero ---------- */
.page-hero { background: var(--vv-paper); padding: 76px 0 70px; border-bottom: 1px solid var(--vv-line); overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -70px; top: 50%; width: 300px; height: 300px;
  border: 44px solid var(--vv-gold-soft); transform: translateY(-50%) rotate(45deg); pointer-events: none;
}
.page-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.4rem); margin-bottom: .6rem; position: relative; z-index: 1; }
.page-hero p { color: var(--vv-muted); font-size: 1.12rem; margin: 0; position: relative; z-index: 1; }
.page-hero .breadcrumb { font-family: var(--vv-font-mono); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 1.25rem; position: relative; z-index: 1; }
.page-hero .breadcrumb a { color: var(--vv-muted); text-decoration: none; }
.page-hero .breadcrumb a:hover { color: var(--vv-gold); }
.page-hero .breadcrumb-item.active { color: var(--vv-gold); }
.page-hero .breadcrumb-item + .breadcrumb-item::before { content: "/"; color: var(--vv-line); }
@media (max-width: 767.98px) { .page-hero { padding: 56px 0 50px; } .page-hero::after { width: 180px; height: 180px; border-width: 28px; right: -80px; } }

/* ---------- About page ---------- */
.mv-card { background: #fff; border: 1px solid var(--vv-line); border-top: 4px solid var(--vv-gold); padding: 2.2rem 1.9rem; height: 100%; }
.mv-card .mv-icon { width: 52px; height: 52px; display: grid; place-items: center; border: 1.5px solid var(--vv-gold); color: var(--vv-gold); font-size: 1.5rem; margin-bottom: 1.4rem; border-radius: var(--vv-radius); }
.mv-card h3 { font-size: 1.3rem; margin-bottom: .6rem; }
.mv-card p { color: var(--vv-muted); margin: 0; }


/* ---------- Services page ---------- */
.service-detail + .service-detail { margin-top: 5.5rem; }
@media (max-width: 991.98px) { .service-detail + .service-detail { margin-top: 3.5rem; } }
.svc-visual {
  position: relative; aspect-ratio: 4 / 3; display: grid; place-items: center; overflow: hidden;
  background: var(--vv-paper); border: 1px solid var(--vv-line); border-radius: var(--vv-radius);
  background-image:
    linear-gradient(rgba(184,145,58,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184,145,58,.09) 1px, transparent 1px);
  background-size: 32px 32px;
}
.svc-visual::before { content: ""; position: absolute; right: 0; top: 0; width: 64px; height: 64px; background: var(--vv-grad); clip-path: polygon(0 0, 100% 0, 100% 100%); }
.svc-visual i {
  position: relative; font-size: clamp(3.5rem, 8vw, 5.5rem); color: var(--vv-gold-dark);
  width: 46%; aspect-ratio: 1; display: grid; place-items: center; background: #fff; border: 1.5px solid var(--vv-gold); border-radius: 50%;
}
.svc-visual .svc-no { top: auto; bottom: 1.1rem; left: 1.3rem; right: auto; font-size: .8rem; color: var(--vv-ink); }
.service-detail h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); margin-bottom: 1rem; }
.service-detail p { color: var(--vv-muted); font-size: 1.05rem; }
.link-arrow { font-weight: 600; text-decoration: none; color: var(--vv-gold); display: inline-flex; align-items: center; gap: .4rem; text-transform: uppercase; letter-spacing: .06em; font-size: .88rem; }
.link-arrow i { transition: transform .2s; }
.link-arrow:hover i { transform: translateX(4px); }

.process-step { position: relative; border-top: 2px solid var(--vv-line); padding-top: 1.5rem; height: 100%; }
.process-step::before { content: ""; position: absolute; top: -6px; left: 0; width: 10px; height: 10px; background: var(--vv-gold); }
.process-step .step-no { font-family: var(--vv-font-mono); font-size: .76rem; color: var(--vv-gold); letter-spacing: .1em; display: block; margin-bottom: 1rem; }
.process-step > i { font-size: 1.7rem; color: var(--vv-ink); display: block; margin-bottom: .8rem; }
.process-step h3 { font-size: 1.12rem; margin-bottom: .35rem; }
.process-step p { font-size: .92rem; color: var(--vv-muted); margin: 0; }

/* ---------- Contact page ---------- */
.contact-list { border-top: 1.5px solid var(--vv-ink); }
.contact-row { display: flex; gap: 1.1rem; padding: 1.35rem 0; border-bottom: 1px solid var(--vv-line); }
.contact-row .c-icon { width: 46px; height: 46px; flex-shrink: 0; display: grid; place-items: center; background: var(--vv-gold-soft); color: var(--vv-gold); font-size: 1.25rem; border-radius: var(--vv-radius); }
.contact-row h3 { font-family: var(--vv-font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--vv-muted); font-weight: 500; margin-bottom: .3rem; }
.contact-row p, .contact-row a { margin: 0; color: var(--vv-ink); font-weight: 500; text-decoration: none; }
.contact-row a:hover { color: var(--vv-gold); }
.form-card { background: #fff; border: 1px solid var(--vv-line); border-top: 4px solid var(--vv-gold); padding: 2.5rem; box-shadow: var(--vv-shadow); }
@media (max-width: 575.98px) { .form-card { padding: 1.75rem 1.25rem; } }
.form-label { font-weight: 600; color: var(--vv-ink); font-size: .9rem; }
.form-control, .form-select { border-radius: var(--vv-radius); padding: .75rem 1rem; border: 1.5px solid var(--vv-line); }
.form-control:focus, .form-select:focus { border-color: var(--vv-gold); box-shadow: 0 0 0 .2rem rgba(184,145,58,.15); }
.map-wrap { border: 1.5px solid var(--vv-ink); border-radius: var(--vv-radius); overflow: hidden; line-height: 0; }
.map-wrap iframe { width: 100%; height: 420px; border: 0; filter: grayscale(.35); }
@media (max-width: 575.98px) { .map-wrap iframe { height: 320px; } }

/* ---------- Footer ---------- */
.site-footer { background: #0d0c09; color: rgba(255,255,255,.6); padding: 76px 0 0; font-size: .94rem; }
.site-footer h3 { font-family: var(--vv-font-mono); color: var(--vv-gold-light); font-size: .76rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 1.3rem; }
.site-footer a { color: rgba(255,255,255,.72); text-decoration: none; }
.site-footer a:hover { color: var(--vv-gold-light); }
.footer-brand { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.1rem; }
.footer-brand img { width: 52px; height: 52px; object-fit: contain; }
.footer-brand strong { font-family: var(--vv-font-head); color: #fff; letter-spacing: .03em; display: block; line-height: 1.1; font-size: 1.1rem; }
.footer-brand small { font-family: var(--vv-font-mono); color: rgba(255,255,255,.5); letter-spacing: .14em; font-size: .62rem; }
.footer-links, .footer-contact { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .6rem; }
.footer-contact li { display: flex; gap: .75rem; margin-bottom: .9rem; line-height: 1.55; }
.footer-contact i { color: var(--vv-gold-light); margin-top: .15rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 3.25rem; padding: 1.4rem 0; font-family: var(--vv-font-mono); font-size: .76rem; letter-spacing: .03em; }

/* ---------- Floating buttons ---------- */
.float-wa {
  position: fixed; right: 20px; bottom: 20px; width: 56px; height: 56px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; font-size: 1.75rem; box-shadow: 0 10px 25px rgba(37,211,102,.4); z-index: 1040; text-decoration: none; transition: transform .2s;
}
.float-wa:hover { color: #fff; transform: scale(1.08); }
.back-to-top {
  position: fixed; right: 26px; bottom: 88px; width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: var(--vv-ink); color: var(--vv-gold-light); display: grid; place-items: center; font-size: 1.1rem; z-index: 1040;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--vv-gold-light); color: var(--vv-ink); }

/* ---------- Reveal animation ---------- */
.js-reveal .reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.js-reveal .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  .svc-tile, .btn, .chip { transition: none; }
}

/* ---------- About illustration (home) ---------- */
.about-art { position: relative; max-width: 520px; margin: 0 auto; padding-bottom: 2.25rem; }
.about-art > img { display: block; width: 100%; height: auto; }
.about-badge { left: 50%; bottom: 0; transform: translateX(-50%); letter-spacing: .04em; }
.about-badge img { width: 32px; height: 32px; object-fit: contain; }

/* ---------- Building systems (home) ---------- */
.sys-map { position: relative; background: var(--vv-paper); border-radius: 24px; padding: 1.5rem 1.25rem 1rem; overflow: hidden; max-width: 460px; margin: 0 auto; }
.sys-map::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(184,145,58,.10) 1px, transparent 1px), linear-gradient(90deg, rgba(184,145,58,.10) 1px, transparent 1px);
  background-size: 26px 26px;
}
.sys-map svg { position: relative; display: block; width: 100%; height: auto; }
.sys-node { transform-box: fill-box; transform-origin: center; transition: transform .25s ease; cursor: pointer; }
.sys-node .ring { fill: var(--vv-gold-light); opacity: 0; transition: opacity .25s ease; }
.sys-node .dot { fill: #fff; stroke: var(--vv-ink); stroke-width: 2.5; transition: fill .25s ease; }
.sys-node text { font-family: var(--vv-font-mono); font-size: 14px; font-weight: 500; text-anchor: middle; fill: var(--vv-ink); pointer-events: none; }
.sys-node.active { transform: scale(1.18); }
.sys-node.active .ring { opacity: .45; animation: vv-ring 1.8s ease-out infinite; }
.sys-node.active .dot { fill: var(--vv-gold-light); }
@keyframes vv-ring { 0% { opacity: .55; } 100% { opacity: .1; } }
.sys-flow { stroke-dasharray: 6 8; animation: vv-flow 1.6s linear infinite; }
@keyframes vv-flow { to { stroke-dashoffset: -28; } }

.sys-card {
  display: flex; gap: 1rem; align-items: flex-start; height: 100%; padding: 1.35rem 1.3rem; border-radius: 18px;
  background: var(--vv-paper); border: 1.5px solid transparent; cursor: pointer; outline: none;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.sys-card:hover, .sys-card:focus-visible { border-color: var(--vv-gold); }
.sys-card.active { background: var(--vv-ink); transform: translateY(-3px); }
.sys-icon {
  width: 48px; height: 48px; flex-shrink: 0; border-radius: 50%; display: grid; place-items: center; font-size: 1.3rem;
  background: var(--vv-ink); color: var(--vv-gold-light); transition: background .25s ease, color .25s ease;
}
.sys-card.active .sys-icon { background: var(--vv-grad); color: var(--vv-ink); }
.sys-no { display: block; font-family: var(--vv-font-mono); font-size: .72rem; letter-spacing: .1em; color: var(--vv-gold-dark); margin-bottom: .2rem; }
.sys-card h3 { font-size: 1.05rem; margin-bottom: .3rem; transition: color .25s ease; }
.sys-card p { font-size: .9rem; color: var(--vv-muted); margin: 0; line-height: 1.55; transition: color .25s ease; }
.sys-card.active .sys-no { color: var(--vv-gold-light); }
.sys-card.active h3 { color: #fff; }
.sys-card.active p { color: rgba(255,255,255,.65); }
@media (prefers-reduced-motion: reduce) { .sys-flow, .sys-node.active .ring { animation: none; } .sys-card, .sys-node { transition: none; } }

/* ---------- Interactive service hub (services page) ---------- */
.svc-hub { margin-bottom: 6rem; }
.service-detail-first { padding-top: 5rem; border-top: 1px solid var(--vv-line); }
@media (max-width: 991.98px) { .svc-hub { margin-bottom: 4rem; } .service-detail-first { padding-top: 3.5rem; } }
.hub-orbit { position: relative; aspect-ratio: 1 / 1; max-width: 470px; margin: 0 auto; container-type: inline-size; }
.hub-rings { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.hub-rings .r-outer { fill: none; stroke: var(--vv-line); stroke-width: 1.5; stroke-dasharray: 3 8; }
.hub-rings .r-disc { fill: var(--vv-paper); }
.hub-rings .r-gold { fill: none; stroke: var(--vv-gold); stroke-width: 2; }
.hub-rings .r-spin { fill: none; stroke: var(--vv-gold-light); stroke-width: 2; stroke-dasharray: 10 10; transform-origin: 200px 200px; animation: vv-spin 30s linear infinite; }
.hub-line { stroke: var(--vv-line); stroke-width: 2; transition: stroke .25s ease; }
.hub-line.active { stroke: var(--vv-gold); stroke-width: 2.5; stroke-dasharray: 5 6; animation: vv-flow 1.2s linear infinite; }
@keyframes vv-spin { to { transform: rotate(360deg); } }
.hub-core {
  position: absolute; left: 50%; top: 50%; width: 30cqw; height: 30cqw; transform: translate(-50%, -50%);
  border-radius: 50%; background: #fff; box-shadow: 0 16px 36px rgba(20,18,14,.14); display: grid; place-items: center;
}
.hub-core img { width: 64%; height: auto; }
.hub-node {
  position: absolute; left: 50%; top: 50%; width: 17cqw; height: 17cqw; min-width: 54px; min-height: 54px; padding: 0;
  border-radius: 50%; border: 2px solid var(--vv-ink); background: #fff; color: var(--vv-ink); font-size: clamp(1.15rem, 5.2cqw, 1.75rem);
  display: grid; place-items: center; cursor: pointer;
  transform: translate(-50%, -50%) rotate(var(--a)) translate(40cqw) rotate(calc(-1 * var(--a)));
  transition: background .25s ease, color .25s ease, box-shadow .25s ease;
}
.hub-node:hover { background: var(--vv-gold-soft); }
.hub-node.active { background: var(--vv-ink); color: var(--vv-gold-light); box-shadow: 0 0 0 7px rgba(230,210,122,.45); }
.hub-node:focus-visible { outline: 3px solid var(--vv-gold); outline-offset: 4px; }
.hub-label {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%); margin-top: .4rem; white-space: nowrap;
  font-size: .74rem; font-weight: 600; color: var(--vv-ink); background: rgba(255,255,255,.9); padding: .1rem .55rem; border-radius: 50rem;
}
.hub-node.active .hub-label { background: var(--vv-ink); color: var(--vv-gold-light); }
@media (max-width: 575.98px) { .hub-label { display: none; } }
.hub-hint { text-align: center; margin: 1.75rem 0 0; font-family: var(--vv-font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--vv-muted); }

.hub-panel {
  position: relative; overflow: hidden; background: var(--vv-ink); color: rgba(255,255,255,.72); border-radius: 24px; padding: 2.5rem 2.25rem 2.75rem;
  background-image: radial-gradient(circle at 100% 0%, rgba(230,210,122,.18), transparent 45%);
  min-height: 430px; display: flex; flex-direction: column; justify-content: center;
}
@media (max-width: 575.98px) { .hub-panel { padding: 2rem 1.4rem 2.4rem; min-height: 0; } }
.hub-bg-icon { position: absolute; right: -1.5rem; bottom: -2.5rem; font-size: 12rem; line-height: 1; color: rgba(230,210,122,.07); pointer-events: none; }
.hub-body { position: relative; }
.hub-body.fade-in { animation: vv-fade .45s ease; }
@keyframes vv-fade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.hub-no { display: inline-block; font-family: var(--vv-font-mono); font-size: .78rem; letter-spacing: .12em; color: var(--vv-ink); background: var(--vv-grad); padding: .2rem .7rem; border-radius: 50rem; margin-bottom: 1rem; }
.hub-panel h3 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin-bottom: .75rem; }
.hub-panel p { color: rgba(255,255,255,.7); margin-bottom: 1.25rem; }
.hub-panel .check-list { margin-bottom: 1.75rem; }
.hub-panel .check-list li { color: #fff; border-bottom-color: rgba(255,255,255,.12); }
.hub-panel .check-list li::before { color: var(--vv-gold-light); }
.hub-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: rgba(255,255,255,.08); }
.hub-progress span { display: block; height: 100%; width: 0; background: var(--vv-grad); }
.hub-progress span.run { animation: vv-progress var(--hub-ms, 5000ms) linear forwards; }
@keyframes vv-progress { to { width: 100%; } }
@media (prefers-reduced-motion: reduce) { .hub-rings .r-spin, .hub-line.active, .hub-body.fade-in { animation: none; } .hub-progress { display: none; } }
