/* ===================================================================
   EUROWINDOW — Façade & High-Rise Systems (HCM Branch)
   Design language: editorial minimalism — typography-led, hairline
   dividers, full-bleed photography, one restrained accent colour.
   Shared stylesheet for every VI + EN page.
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --navy: #0060af;
  --navy-dark: #060f1c;
  --steel: #56606b;
  --ink: #0c1116;
  --ink-soft: #5b6470;
  --accent: #c8952f;
  --accent-dim: #9c7526;
  --bg: #ffffff;
  --bg-tint: #f6f5f2;
  --white: #ffffff;
  --hairline: #e2e0da;
  --hairline-dark: rgba(255,255,255,0.16);
  --radius: 2px;
  --max-width: 1240px;
  --text-max-width: 640px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body { overflow-x: hidden; max-width: 100%; }

body {
  margin: 0;
  font-family: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.lede { max-width: var(--text-max-width); }

/* ---------- Eyebrow / small caps label ---------- */
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-soft);
  display: block;
}
.on-dark .eyebrow { color: rgba(255,255,255,0.55); }
.eyebrow.accent { color: var(--accent); }

/* ---------- Header ---------- */
.site-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--hairline);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.brand-tagline {
  font-size: 12px;
  color: var(--ink-soft);
  display: none;
}
@media (min-width: 700px) {
  .brand-tagline { display: inline; border-left: 1px solid var(--hairline); padding-left: 12px; }
}

.header-right { display: flex; align-items: center; gap: 22px; }

.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.lang-switch a { color: var(--ink-soft); padding: 2px 2px; }
.lang-switch a.active { color: var(--ink); border-bottom: 1px solid var(--ink); }
.lang-switch a:hover { color: var(--ink); }
.lang-switch .sep { color: var(--hairline); }

.menu-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-transform: uppercase;
  padding: 0;
}
.menu-trigger .bars { display: flex; flex-direction: column; gap: 4px; width: 22px; }
.menu-trigger .bars span { display: block; height: 2px; background: var(--ink); transition: transform .25s ease, opacity .25s ease; }
.menu-trigger:hover .bars span { background: var(--accent); }

/* ---------- Full-screen nav overlay ---------- */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--navy-dark);
  color: var(--white);
  z-index: 200;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .35s ease, transform .35s ease, visibility .35s;
}
body.nav-open .nav-overlay { opacity: 1; visibility: visible; transform: translateY(0); }
body.nav-open { overflow: hidden; }

.nav-overlay-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--hairline-dark);
}
.nav-overlay-top .brand-name { color: var(--white); }
.nav-close {
  background: none;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.nav-close:hover { border-color: var(--accent); color: var(--accent); }

.nav-overlay-body {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 32px 64px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  min-width: 0;
}
.nav-overlay-body > * { min-width: 0; }
.nav-links { list-style: none; padding: 0; margin: 0; min-width: 0; }
.nav-links a { overflow-wrap: break-word; }
.nav-links li { border-top: 1px solid var(--hairline-dark); }
.nav-links li:last-child { border-bottom: 1px solid var(--hairline-dark); }
.nav-links a {
  display: block;
  padding: 18px 4px;
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.88);
  transition: color .2s, padding-left .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); padding-left: 14px; }
.nav-links a.active { color: var(--accent); }

.nav-side { display: flex; flex-direction: column; gap: 28px; padding-top: 8px; }
.nav-side h5 { margin: 0 0 10px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,0.45); font-weight: 600; }
.nav-side p, .nav-side a { font-size: 14px; color: rgba(255,255,255,0.78); margin: 0 0 4px; }
.nav-side a:hover { color: var(--accent); }
.nav-social { display: flex; gap: 10px; margin-top: 4px; }
.nav-social a {
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
}
.nav-social a:hover { border-color: var(--accent); color: var(--accent); }

.nav-monogram {
  position: absolute;
  right: 0;
  bottom: -40px;
  font-size: min(46vw, 480px);
  font-weight: 800;
  line-height: 0.75;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.08);
  pointer-events: none;
  user-select: none;
  z-index: -1;
}

.breadcrumb {
  border-bottom: 1px solid var(--hairline);
  font-size: 13px;
  color: var(--ink-soft);
}
.breadcrumb .container { padding-top: 14px; padding-bottom: 14px; }
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span.current { color: var(--ink); font-weight: 600; }

/* ---------- Hero ---------- */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 76px 0 84px;
}
.hero .container:first-child {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero .container:first-child > * { min-width: 0; }
.hero h1 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  font-weight: 700;
}
.hero p.lead {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 28px; flex-wrap: wrap; align-items: center; }

.hero-visual {
  min-height: 320px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
}

/* ---------- Buttons / links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #1c1300; }
.btn-primary:hover { background: #e0aa3f; }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: var(--white); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--navy); }
.btn-block { width: 100%; justify-content: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}
.link-arrow:hover { color: var(--accent); border-color: var(--accent); }
.link-arrow .arr { transition: transform .2s; }
.link-arrow:hover .arr { transform: translateX(4px); }
.hero .link-arrow { color: rgba(255,255,255,0.85); border-color: rgba(255,255,255,0.45); }
.hero .link-arrow:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--bg-tint); }
.section-dark { background: var(--navy); color: var(--white); }

.section-head { max-width: 720px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.15;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.section-dark .section-head h2 { color: var(--white); }
.section-head p { color: var(--ink-soft); margin: 0; font-size: 16px; }
.section-dark .section-head p { color: rgba(255,255,255,0.65); }

/* ---------- Stat strip ---------- */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  border-top: 1px solid var(--hairline-dark);
}
.section:not(.section-dark) .stat-strip,
.stat-strip.on-light { border-top: 1px solid var(--hairline); }
.stat-strip .stat { padding: 28px 24px 0; border-left: 1px solid var(--hairline-dark); }
.stat-strip.on-light .stat { border-left: 1px solid var(--hairline); }
.stat-strip .stat:first-child { border-left: none; }
.stat-num { font-size: clamp(30px, 3.4vw, 46px); font-weight: 800; letter-spacing: -0.02em; }
.stat-label { font-size: 13px; color: var(--ink-soft); margin-top: 6px; }
.on-dark .stat-label,
.hero .stat-label { color: rgba(255,255,255,0.65); }

/* ---------- Product / index grid ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.product-card {
  padding: 32px 28px 32px 0;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-grid { border-bottom: 1px solid var(--hairline); }
.product-card .icon-tag { font-size: 11px; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; }
.product-card h3 { margin: 0; font-size: 20px; font-weight: 700; color: var(--ink); }
.product-card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; flex-grow: 1; }

/* ---------- Feature list (hairline rows) ---------- */
.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--hairline);
}
.feature-list li {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--hairline);
}
.feature-list li strong { display: block; color: var(--ink); font-size: 16px; font-weight: 700; }
.feature-list li span { color: var(--ink-soft); font-size: 14.5px; }
@media (max-width: 640px) {
  .feature-list li { grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- Spec table (hairline, no boxes) ---------- */
.table-wrap { overflow-x: auto; }
table.compare {
  width: 100%;
  border-collapse: collapse;
}
table.compare th, table.compare td {
  padding: 16px 18px 16px 0;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  font-size: 14.5px;
  vertical-align: top;
}
table.compare thead th {
  color: var(--ink-soft);
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 12px;
}
table.compare tbody tr:first-child td { padding-top: 20px; }
table.compare td:first-child { font-weight: 600; color: var(--ink); }

/* ---------- Gallery ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
}
.gallery-item {
  aspect-ratio: 4/3;
  background: var(--bg-tint);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  color: var(--ink-soft);
  font-size: 12px;
  text-align: center;
  overflow: hidden;
  position: relative;
}
.gallery-item img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item span.cap {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(6,15,28,0.82), rgba(6,15,28,0));
  color: #fff;
  font-weight: 600;
  text-align: left;
  font-size: 12.5px;
}
.gallery-item.empty {
  color: var(--ink-soft);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

/* ---------- Capability / profile CTA ---------- */
.capability-box {
  padding: 40px 0 0;
  border-top: 1px solid var(--hairline);
  display: flex;
  gap: 32px;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: space-between;
}
.capability-box .cap-text { flex: 1 1 360px; }
.capability-box h3 { margin: 0 0 10px; color: var(--ink); font-size: 22px; font-weight: 700; }
.capability-box p { margin: 0; color: var(--ink-soft); }
.capability-box .cap-cta { flex: 0 0 auto; }

.cat-heading {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin: 48px 0 20px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
}
.cat-heading:first-child { margin-top: 0; padding-top: 0; border-top: none; }

/* ---------- Case study grid ---------- */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px 32px;
}
.case-card { }
.case-card > a { display: block; }
.case-card .case-thumb {
  aspect-ratio: 4/3;
  background: var(--bg-tint);
  overflow: hidden;
  margin-bottom: 18px;
}
.case-card .case-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.case-card:hover .case-thumb img { transform: scale(1.04); }
.case-card .case-tag { font-size: 11px; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; letter-spacing: 0.1em; }
.case-card h4 { margin: 8px 0 8px; color: var(--ink); font-size: 19px; font-weight: 700; line-height: 1.3; }
.case-card p { margin: 0; color: var(--ink-soft); font-size: 14px; }

/* ---------- Contact / form ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.contact-wrap > * { min-width: 0; }
.contact-info h3 { color: var(--ink); margin-top: 0; font-size: 20px; font-weight: 700; }
.contact-info dl { margin: 0; border-top: 1px solid var(--hairline); }
.contact-info dt { font-weight: 600; color: var(--ink-soft); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em; margin-top: 20px; }
.contact-info dd { margin: 4px 0 20px; color: var(--ink); font-size: 15px; padding-bottom: 16px; border-bottom: 1px solid var(--hairline); }

.form-box { padding: 0; }
.form-row { margin-bottom: 22px; }
.form-row label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 8px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 10px 0;
  border: none;
  border-bottom: 1px solid var(--hairline);
  border-radius: 0;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: transparent;
  transition: border-color .2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-row textarea { resize: vertical; min-height: 80px; }

.check-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.check-list li { display: flex; align-items: flex-start; gap: 9px; }
.check-list input[type="checkbox"] { margin-top: 3px; width: 15px; height: 15px; accent-color: var(--accent); flex-shrink: 0; }
.check-list label { font-size: 14px; color: var(--ink); text-transform: none; letter-spacing: normal; font-weight: 400; margin: 0; cursor: pointer; }
.check-list li.all-option { grid-column: 1 / -1; padding-bottom: 10px; margin-bottom: 4px; border-bottom: 1px solid var(--hairline); }
.check-list li.all-option label { font-weight: 700; }
@media (max-width: 480px) { .check-list { grid-template-columns: 1fr; } }
.form-note { font-size: 12px; color: var(--ink-soft); margin-top: 14px; }
.form-success {
  margin-top: 14px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  background: var(--bg-tint);
  border-left: 3px solid var(--accent);
}

/* ---------- Related-keyword chips (article pages) ---------- */
.kw-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.kw-chip {
  display: inline-block;
  padding: 7px 16px;
  font-size: 13px;
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--bg);
}

/* ---------- Technical diagram (article pages) ---------- */
.diagram-visual { max-width: 760px; margin: 0 auto; background: var(--bg); border: 1px solid var(--hairline); padding: 20px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
.diagram-visual svg { width: 100%; height: auto; display: block; }
.diagram-visual img { width: 100%; height: auto; display: block; border: 1px solid var(--hairline); }
.diagram-visual.compare { max-width: 940px; }
.diagram-visual .diagram-row { display: flex; gap: 16px; width: 100%; flex-wrap: wrap; }
.diagram-visual .diagram-row > div { flex: 1 1 260px; }
.diagram-visual .diagram-row img { border: 1px solid var(--hairline); }
.diagram-caption { font-size: 13px; color: var(--ink-soft); text-align: center; margin: 0; max-width: 640px; }
.diagram-source-tag { display: inline-block; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-weight: 700; margin: 0 0 2px; }

/* ---------- Process steps ---------- */
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--hairline); }
.process-list li { display: grid; grid-template-columns: 90px 1fr 2fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--hairline); align-items: baseline; }
.process-list .num { font-size: 32px; font-weight: 800; color: var(--accent); line-height: 1; }
.process-list strong { display: block; color: var(--ink); font-size: 18px; font-weight: 700; }
.process-list span { color: var(--ink-soft); font-size: 14.5px; }
@media (max-width: 700px) {
  .process-list li { grid-template-columns: 50px 1fr; }
  .process-list strong { margin-top: 4px; }
  .process-list span { grid-column: 2 / 3; }
}

/* ---------- Project detail spec list ---------- */
.spec-list { margin: 0; border-top: 1px solid var(--hairline); }
.spec-list dt { font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); font-weight: 600; padding-top: 18px; }
.spec-list dd { margin: 4px 0 18px; color: var(--ink); font-size: 15.5px; padding-bottom: 18px; border-bottom: 1px solid var(--hairline); }

/* ---------- Related satellites strip ---------- */
.related-strip {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.related-strip a {
  padding: 14px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  border-right: 1px solid var(--hairline);
}
.related-strip a:last-child { border-right: none; }
.related-strip a.active { color: var(--ink); background: var(--bg-tint); }
.related-strip a:hover { color: var(--accent); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--hairline-dark);
}
.footer-grid h4 { color: var(--white); font-size: 12px; margin: 0 0 16px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.footer-grid p, .footer-grid li { color: rgba(255,255,255,0.6); margin: 0 0 8px; }
.footer-grid ul { list-style: none; padding: 0; }
.footer-grid a { color: rgba(255,255,255,0.6); }
.footer-grid a:hover { color: var(--white); }
.social-links { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.social-links a {
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 12px;
}
.social-links a:hover { border-color: var(--accent); color: var(--accent); }
.footer-bottom {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Floating contact widget ---------- */
.floating-contact {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 150;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}
.fc-btn {
  position: relative;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(6,15,28,0.28);
  transition: transform .2s ease, box-shadow .2s ease;
  color: #fff;
}
.fc-btn:hover { transform: scale(1.08) translateY(-2px); box-shadow: 0 10px 22px rgba(6,15,28,0.34); }
.fc-btn svg { width: 24px; height: 24px; position: relative; z-index: 2; fill: #fff; }
.fc-zalo { background: #0068FF; }
.fc-phone { background: var(--accent); }
.fc-email { background: var(--navy); }

.fc-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: #0068FF;
  opacity: 0.6;
  animation: fc-pulse-anim 2.2s ease-out infinite;
  z-index: 1;
}
@keyframes fc-pulse-anim {
  0%   { transform: scale(1); opacity: 0.55; }
  70%  { transform: scale(1.9); opacity: 0; }
  100% { transform: scale(1.9); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .fc-pulse { animation: none; display: none; }
}
@media (max-width: 640px) {
  .floating-contact { right: 14px; bottom: 16px; }
  .fc-btn { width: 46px; height: 46px; }
  .fc-btn svg { width: 21px; height: 21px; }
}

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero .container:first-child { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-overlay-body { grid-template-columns: 1fr; padding-top: 32px; }
  .nav-monogram { font-size: min(60vw, 300px); right: -20px; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat-strip .stat:nth-child(2) { border-left: 1px solid var(--hairline-dark); }
  .stat-strip.on-light .stat:nth-child(2) { border-left: 1px solid var(--hairline); }
}