/* ============================================================
   HOÀN TRẢ MẶT BẰNG — Palette từ hoantramatbang.vn
   Warm brown / earth tones
   ============================================================ */

:root {
  /* ── Palette chính (từ hoantramatbang.vn) ── */
  --primary: #032C56;          /* Navy logo — CTA, accent */
  --primary-dark: #021e3b;     /* Hover primary */
  --brown-dark: #1e130b;       /* Nâu đậm — footer bg */
  --brown-mid: #603a13;        /* Nâu vừa */
  --brown-light: #5f3811;      /* Nâu nhạt — text secondary */
  --cream: #d7dbe1;            /* Xám nhẹ — button phụ */
  --cream-dark: #aeb5bf;
  --highlight: #d1d5db;        /* Xám sáng */
  --warm-gray: #9ca3af;        /* Xám ấm */

  --white: #ffffff;
  --bg: #f8f9fa;               /* Nền tổng thể */
  --bg-section: #f3f4f6;       /* Section xen kẽ — xám nhẹ */
  --bg-section2: #eceff3;
  --bg-light: var(--bg-section);
  --border: #e1e4e8;
  --border-light: #e5e7eb;
  --text: #333333;
  --text-secondary: #4b5563;
  --text-muted: #8b929d;
  --navy: #1e130b;             /* Footer, heading dark */
  --navy-light: #2f1d0a;
  --navy-primary: var(--navy);
  --navy-secondary: var(--brown-dark);
  --accent-cyan: var(--primary);
  --accent-teal: var(--cream-dark);
  --transition: var(--t);

  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow-sm: 0 2px 8px rgba(30,19,11,0.08);
  --shadow: 0 4px 20px rgba(30,19,11,0.13);
  --shadow-lg: 0 8px 40px rgba(30,19,11,0.2);
  --t: all 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.3; color: var(--navy); }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.35rem); }

/* ── LAYOUT ── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }

/* ── TOP BAR ── */

/* ── HEADER ── */
#header {
  position: sticky; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(30,19,11,0.1);
  border-bottom: 3px solid var(--primary);
}
.header-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 68px; gap: 20px;
}

/* Site name */
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; text-decoration: none; }
.logo-img { height: 60px; width: auto; display: block; }
.logo-text { display: inline-flex; flex-direction: column; align-items: center; text-align: center; }
.logo-text strong { display: block; font-size: 1rem; font-weight: 800; color: var(--navy); line-height: 1.2; }
.logo-text span { display: block; width: 100%; font-size: 0.68rem; color: var(--text-muted); text-align: center; }
#header.brand-delayed:not(.brand-visible) .header-inner { justify-content: flex-start; }
#header.brand-delayed:not(.brand-visible) .logo { display: none; }
#header.brand-delayed:not(.brand-visible) .header-cta { margin-left: auto; }

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: flex; align-items: center; gap: 3px;
  padding: 8px 12px; color: var(--text);
  font-size: 0.875rem; font-weight: 600;
  border-radius: 4px; transition: var(--t); white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--primary); background: #f4f5f7; }
/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0;
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); min-width: 250px; padding: 6px 0;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: var(--t); z-index: 200;
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary);
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; font-size: 0.86rem; color: var(--text);
  transition: var(--t); border-left: 3px solid transparent;
}
.dropdown-menu a:hover { background: var(--bg-section); color: var(--primary); border-left-color: var(--primary); }

/* Header CTA */
.header-cta { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.header-hotline {
  display: flex; align-items: center; gap: 6px;
  font-weight: 800; font-size: 1rem; color: var(--primary); transition: var(--t);
}
.header-hotline:hover { color: var(--primary-dark); }

/* ── HAMBURGER ── */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; background: none; border: none; z-index: 1010;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); border-radius: 2px; transition: var(--t);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE NAV — slide từ trái ── */
.mobile-nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(30,19,11,0.55); z-index: 998;
  backdrop-filter: blur(2px);
}
.mobile-nav-overlay.open { display: block; }
.mobile-nav {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: 300px; max-width: 85vw;
  background: var(--brown-dark); z-index: 999;
  padding: 0; overflow-y: auto;
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.32s cubic-bezier(0.4,0,0.2,1);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid rgba(215,219,225,0.15);
  min-height: 56px;
}
.mobile-nav-close {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(215,219,225,0.2);
  border-radius: 6px; cursor: pointer; color: var(--cream);
  padding: 6px; display: flex; align-items: center; justify-content: center;
  transition: var(--t);
}
.mobile-nav-close:hover { background: rgba(255,255,255,0.12); color: #fff; }
.mobile-nav-links { flex: 1; padding: 10px 0; }
.mobile-nav-links a {
  display: block; padding: 13px 24px;
  color: var(--cream); font-size: 0.92rem; font-weight: 500;
  transition: var(--t);
  border-bottom: 1px solid rgba(215,219,225,0.07);
}
.mobile-nav-links a:hover { color: #fff; background: rgba(215,219,225,0.08); padding-left: 30px; }
.mobile-nav-links a.mobile-sub {
  padding-left: 38px; font-size: 0.84rem; color: var(--warm-gray);
}
.mobile-nav-links a.mobile-sub:hover { color: var(--cream); padding-left: 44px; }
.mobile-nav-cta {
  padding: 20px; border-top: 1px solid rgba(215,219,225,0.15);
  display: flex; flex-direction: column; gap: 10px;
}

/* ── HERO ── */
#hero {
  position: relative; min-height: 520px;
  display: flex; align-items: center; overflow: hidden;
  background: #032C56;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover; background-position: center; opacity: 0.56;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 90% at 50% 40%, rgba(3,44,86,0.28) 0%, rgba(3,44,86,0.52) 100%),
    rgba(3,44,86,0.34);
}

/* Góc trắng + logo ở trên bên trái hero */
.hero-logo-corner {
  position: absolute; top: 0; left: 0; z-index: 3;
  display: flex; align-items: flex-start; justify-content: flex-start;
  width: 380px; height: 228px;
  background: #fff;
  padding: 22px 24px;
  /* cắt vát góc dưới-phải tạo hình góc nhỏ */
  clip-path: polygon(0 0, 100% 0, 0 100%);
  box-shadow: 6px 6px 22px rgba(0,0,0,0.28);
}
.hero-logo-corner img { width: 124px; height: auto; display: block; }

/* Huy hiệu "TRỌN GÓI" kiểu chat boom, thân bầu dục */
.hero-burst {
  position: static; z-index: 3;
  grid-column: 3;
  justify-self: end;
  width: var(--badge-w); height: var(--badge-h);
  display: flex; align-items: center; justify-content: center;
  background: url('../images/hero-badge-frame.png') center / contain no-repeat;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,0.26));
  transform: none;
  animation: burst-pulse 2.4s ease-in-out infinite;
}
.hero-burst .burst-inner {
  position: relative;
  z-index: 1;
  width: 70%;
  height: 60%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px;
  padding: 0 8px 4px;
  color: #d8261c;
  font-weight: 900; font-size: 1.18rem; line-height: 0.9;
  letter-spacing: 0.05em; text-align: center;
  text-transform: uppercase;
}
.hero-burst .burst-line {
  display: block;
  white-space: nowrap;
  margin-left: 0.04em;
}
@keyframes burst-pulse {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.035); }
}

/* Centered hero layout */
.hero-center {
  position: relative; z-index: 1;
  padding: 96px 0 52px;
  text-align: center;
  max-width: 780px; margin: 0 auto;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(209,213,219,0.15);
  border: 1px solid rgba(209,213,219,0.35);
  color: var(--highlight);
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 50px; margin-bottom: 18px;
}
.hero-center h1 { color: #fff; margin-bottom: 8px; line-height: 1.14; }
.hero-center h1 em { color: #d4a92c; font-style: normal; }
.hero-center h1 .h1-line { display: block; white-space: nowrap; }
.hero-center h1 .h1-line-mobile { display: none; }
.hero-subline {
  --badge-w: 178px;
  --badge-h: 110px;
  display: grid;
  grid-template-columns: minmax(0,1fr) auto minmax(0,1fr);
  align-items: center;
  width: 100%;
  margin-bottom: 22px;
  min-height: 108px;
}
.hero-subline::before {
  content: "";
  grid-column: 1;
  width: var(--badge-w);
  height: 1px;
  justify-self: start;
}
.hero-subline-text {
  grid-column: 2;
  justify-self: center;
  color: #fff;
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  text-transform: uppercase;
  white-space: nowrap;
  text-align: center;
}
.hero-cta-label-mobile,
.hero-cta-phone-mobile { display: none; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; justify-content: center; }
.hero-cta .btn-orange { background: #fff; color: var(--primary); border-color: #fff; }
.hero-cta .btn-orange:hover { background: #f8fafc; color: var(--primary-dark); border-color: #fff; }

/* ── HERO INFO BAR (dưới marquee) ── */
.hero-info-bar {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap; gap: 10px 0;
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.hero-info-item {
  display: flex; align-items: center; gap: 6px;
  color: rgba(215,219,225,0.75); font-size: 0.78rem; white-space: nowrap;
  padding: 0 14px;
}
.hero-info-sep {
  width: 1px; height: 14px;
  background: rgba(255,255,255,0.15); flex-shrink: 0;
}
.hero-info-phone {
  display: flex; align-items: center; gap: 6px;
  color: #fff; font-size: 0.9rem; font-weight: 800;
  padding: 0 14px; transition: var(--t);
}
.hero-info-phone:hover { color: var(--highlight); }

/* ── HERO TRUST — marquee ── */
.hero-trust-wrap {
  overflow: hidden;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.1);
  mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%);
}
.hero-trust-track {
  display: flex; gap: 28px; width: max-content;
  animation: marquee-trust 18s linear infinite;
}
.hero-trust-track:hover { animation-play-state: paused; }
.hero-trust-item {
  display: flex; align-items: center; gap: 7px;
  color: var(--cream); font-size: 0.83rem; white-space: nowrap; flex-shrink: 0;
}
.hero-trust-item .dot {
  width: 6px; height: 6px;
  background: var(--highlight); border-radius: 50%; flex-shrink: 0;
}
@keyframes marquee-trust {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 12px 26px; border-radius: var(--radius);
  font-weight: 700; font-size: 0.92rem;
  cursor: pointer; border: 2px solid transparent;
  transition: var(--t); white-space: nowrap; text-decoration: none;
  font-family: var(--font);
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; border-color: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(176,44,39,0.32); }
.btn-accent { background: var(--cream); color: var(--navy); border-color: var(--cream); }
.btn-accent:hover { background: var(--cream-dark); transform: translateY(-1px); }
.btn-orange { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-orange:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-outline-white { background: transparent; color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }
.btn-navy { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-navy:hover { background: var(--brown-mid); color: #fff; transform: translateY(-1px); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }

/* ── SECTION HEADING ── */
.section-heading { text-align: center; margin-bottom: 48px; }
.section-heading .label {
  display: inline-block;
  color: var(--primary); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 10px; position: relative; padding: 0 20px;
}
.section-heading .label::before,
.section-heading .label::after {
  content: '';
  position: absolute; top: 50%;
  width: 30px; height: 2px;
  background: var(--primary); opacity: 0.3;
}
.section-heading .label::before { right: 100%; transform: translateY(-50%); }
.section-heading .label::after  { left:  100%; transform: translateY(-50%); }
.section-heading h2 { margin-bottom: 12px; }
.section-heading p { color: var(--text-muted); max-width: 560px; margin: 0 auto; font-size: 1rem; }
.section-heading .section-note {
  max-width: 760px;
  margin-top: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
}
.section-heading.left { text-align: left; }
.section-heading.left .label::before { display: none; }

/* ── SERVICES ── */
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; align-items: start; }
.svc-list {
  list-style: none; margin: 0 0 14px; padding: 0;
  display: flex; flex-direction: column; gap: 6px; flex: 1;
}
.svc-list li {
  font-size: 0.85rem; color: var(--text-muted);
  line-height: 1.5;
}
.service-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border); transition: var(--t);
  display: flex; flex-direction: column;
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: rgba(176,44,39,0.22); }
.service-card-img { height: 172px; flex: 0 0 172px; overflow: hidden; position: relative; }
.service-detail-img,
.image-watermark { position: relative; }
.office-intro-grid,
.office-intro-copy,
.office-intro-image { min-width: 0; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--t); }
.service-card-img img.image-focus-top-office { object-position: center 24%; }
.service-card-img img.image-focus-top-cafe { object-position: center 26%; }
.service-card:hover .service-card-img img { transform: scale(1.05); }
.service-card-img .card-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--primary); color: #fff;
  font-size: 0.7rem; font-weight: 700;
  padding: 3px 10px; border-radius: 50px; letter-spacing: 0.05em;
}
.service-card-img::after,
.service-detail-img::after,
.image-watermark::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 70px;
  height: 70px;
  background: url('../images/logo-watermark.png') center / contain no-repeat;
  opacity: 0.94;
  pointer-events: none;
  z-index: 2;
  filter: drop-shadow(0 6px 14px rgba(0,0,0,0.22));
}
.service-card-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; }
.service-card-body h3 { font-size: 1rem; color: var(--navy); }
.svc-summary {
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  min-height: calc(1.55em * 2);
}
.svc-project-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.svc-project-note strong {
  color: var(--navy);
  font-weight: 700;
}
.service-card-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.83rem; font-weight: 700; color: var(--primary);
  margin-top: 6px; transition: var(--t);
}
.service-card-link:hover { gap: 10px; }

@media (min-width: 1025px) {
  .services-grid > .service-card:last-child:nth-child(3n + 1) {
    grid-column: 2;
  }
}

/* ── WHY US ── */
.why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.why-card {
  text-align: center; padding: 28px 20px;
  border-radius: var(--radius-lg); background: var(--white);
  border: 1px solid var(--border); transition: var(--t);
}
.why-card:hover { box-shadow: var(--shadow); border-color: rgba(176,44,39,0.2); transform: translateY(-3px); }
.why-card h4 { font-size: 0.95rem; margin-bottom: 8px; color: var(--navy); }
.why-card p { font-size: 0.84rem; color: var(--text-muted); line-height: 1.6; }

/* ── PROCESS ── */
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; position: relative; }
.process-5col { grid-template-columns: repeat(5,1fr); }
.process-step { position: relative; z-index: 1; padding: 0 14px; text-align: center; }
.step-badge { font-size: 0.68rem; font-weight: 700; color: var(--primary); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 5px; }
.step-title { font-size: 0.9rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.step-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.55; }
.process-row2 { margin-top: 28px; }

/* ── PROJECTS ── */
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.project-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  border: 1px solid var(--border); transition: var(--t);
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.project-imgs { display: grid; grid-template-columns: 1fr 1fr; height: 185px; overflow: hidden; position: relative; }
.project-imgs img { width: 100%; height: 100%; object-fit: cover; }
.ba-label {
  position: absolute; top: 8px;
  background: rgba(30,19,11,0.8); color: #fff;
  font-size: 0.62rem; font-weight: 700; padding: 2px 8px; border-radius: 3px;
  letter-spacing: 0.06em; backdrop-filter: blur(4px);
}
.ba-label.left { left: 6px; }
.ba-label.right { right: 6px; }
.ba-divider {
  position: absolute; top: 0; left: 50%; width: 3px; height: 100%;
  background: var(--primary); transform: translateX(-50%); z-index: 2;
}
.project-body { padding: 18px; }
.project-tag { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--primary); margin-bottom: 4px; }
.project-name { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 10px; }
.project-stats { display: flex; gap: 14px; flex-wrap: wrap; }
.project-stat { display: flex; align-items: center; gap: 4px; font-size: 0.77rem; color: var(--text-muted); }

/* ── PAIN POINTS ── */
.pain-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.pain-card {
  background: var(--white); border-radius: var(--radius);
  padding: 22px; border: 1px solid var(--border);
  border-top: 4px solid var(--primary); transition: var(--t);
}
.pain-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.pain-card h4 { font-size: 0.95rem; color: var(--navy); margin-bottom: 6px; }
.pain-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* Văn phòng: hạng mục thi công */
.office-scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.office-scope-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  min-width: 0;
  transition: var(--t);
}
.office-scope-card:hover {
  border-color: rgba(176,44,39,0.24);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.office-scope-card h4 {
  margin-bottom: 14px;
  font-size: 1rem;
  line-height: 1.35;
}
.office-scope-card .checklist {
  gap: 10px;
  margin-top: 0 !important;
}
.office-scope-card .checklist-item {
  display: block;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}
.office-scope-card .checklist-item span {
  display: block;
  overflow-wrap: anywhere;
}
.office-handover {
  background: linear-gradient(135deg, var(--brown-dark) 0%, var(--navy-light) 100%);
}
.office-handover .animate-in {
  opacity: 1;
  transform: none;
}
.office-handover .section-heading .label {
  font-weight: 900;
  color: #9db8d6;
}
.office-handover .section-heading h2 {
  color: #fff;
}
.office-handover p {
  color: #d1d5db !important;
  font-weight: 600;
}
.office-handover .checklist {
  gap: 12px;
}
.office-handover .checklist-item {
  font-size: 0.95rem;
  line-height: 1.7;
}
.office-handover .checklist-item span {
  color: #f1f5f9 !important;
  font-weight: 700;
}

/* ── AREAS ── */
.area-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 10px; }
.area-tag {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px; text-align: center;
  font-size: 0.83rem; color: var(--text-muted); transition: var(--t); cursor: default;
}
.area-tag:hover, .area-tag.hot {
  background: var(--bg-section); border-color: rgba(176,44,39,0.28);
  color: var(--primary); font-weight: 600;
}

/* ── FAQ ── */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item {
  background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--border); overflow: hidden; transition: var(--t);
}
.faq-item.open { border-color: rgba(176,44,39,0.32); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; cursor: pointer; gap: 12px;
}
.faq-question h4 { font-size: 0.95rem; color: var(--navy); font-weight: 600; flex: 1; }
.faq-toggle {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--bg); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--primary); font-size: 1.1rem; font-weight: 900; transition: var(--t);
}
.faq-item.open .faq-toggle { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 20px 16px; font-size: 0.89rem; color: var(--text-muted); line-height: 1.72; }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown-mid) 100%);
  padding: 64px 0; position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 50% 100% at 80% 50%, rgba(209,213,219,0.07) 0%, transparent 60%);
  pointer-events: none;
}
.cta-banner-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; }
.cta-banner h2 { color: #fff; margin-bottom: 10px; }
.cta-banner p { color: var(--cream); font-size: 1rem; }
.cta-banner-btns { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }

/* ── CONTACT BAR ── */
.contact-bar { background: var(--primary); padding: 18px 0; }
.contact-bar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px; }
.contact-bar-text { color: #fff; }
.contact-bar-text strong { font-size: 1.05rem; display: block; }
.contact-bar-text span { font-size: 0.85rem; opacity: 0.85; }
.contact-bar-phones { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.contact-phone {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-size: 1.2rem; font-weight: 900;
  text-decoration: none; transition: var(--t);
}
.contact-phone:hover { opacity: 0.85; }

/* ── FORM ── */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 0.9rem; font-family: var(--font); color: var(--text);
  background: var(--white); transition: var(--t); outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(176,44,39,0.1);
}
.form-input.error, .form-select.error { border-color: #032C56; }
.form-error { font-size: 0.77rem; color: #032C56; margin-top: 3px; display: none; }
.form-error.show { display: block; }
.form-textarea { resize: vertical; min-height: 90px; }
.form-submit {
  width: 100%; padding: 14px;
  background: var(--primary); color: #fff; border: none;
  border-radius: var(--radius); font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: var(--t); font-family: var(--font);
}
.form-submit:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(176,44,39,0.32); }
.form-note { text-align: center; font-size: 0.75rem; color: var(--text-muted); margin-top: 10px; }

/* ── HERO FORM CARD ── */
.hero-form-card {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 30px 26px; box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--primary);
}
.hero-form-card h3 { font-size: 1.15rem; margin-bottom: 4px; color: var(--navy); }
.hero-form-card .sub { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px; }


/* ── LEGACY PAGE HELPERS ── */
.section-light { background: var(--bg-section); }
.final-cta {
  background: linear-gradient(135deg, var(--brown-dark) 0%, var(--brown-mid) 100%);
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 100% at 80% 50%, rgba(209,213,219,0.08) 0%, transparent 60%);
  pointer-events: none;
}
/* ── FOOTER ── */
.final-cta .btn-primary,
.final-cta .btn-navy,
.final-cta .btn-orange {
  color: #fff;
}
.final-cta .btn-outline {
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.final-cta .btn-outline:hover,
.final-cta .btn-outline-white:hover {
  color: #fff;
  background: rgba(255,255,255,0.12);
  border-color: #fff;
}
#footer { background: var(--brown-dark); color: var(--warm-gray); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.6fr; gap: 36px; padding-bottom: 40px; border-bottom: 1px solid rgba(215,219,225,0.12); }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-logo-img { height: 60px; width: auto; background: #fff; padding: 8px 12px; border-radius: 10px; flex-shrink: 0; }
.footer-logo > div { display: inline-flex; flex-direction: column; align-items: center; text-align: center; }
.footer-logo strong { color: #fff; font-size: 0.95rem; }
.footer-logo span { color: var(--warm-gray); font-size: 0.67rem; text-align: center; width: 100%; }
#footer .logo-text strong { color: #fff; }
#footer .logo-text span { color: var(--warm-gray); }
.footer-col h5 { color: #fff; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; border-bottom: 2px solid var(--primary); padding-bottom: 8px; }
.footer-col p { font-size: 0.84rem; line-height: 1.7; margin-bottom: 12px; }
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a { font-size: 0.84rem; color: var(--warm-gray); transition: var(--t); }
.footer-links a:hover { color: var(--cream); }
.footer-contact-item { display: flex; flex-wrap: wrap; gap: 6px; font-size: 0.84rem; margin-bottom: 10px; align-items: center; }
.footer-contact-label { color: var(--warm-gray); font-size: 0.84rem; font-weight: 400; line-height: 1.55; }
.footer-contact-value { color: var(--warm-gray); font-size: 0.84rem; font-weight: 400; line-height: 1.55; }
.footer-contact-value a { color: inherit; }
.footer-contact-item.is-hotline .footer-contact-value a { color: var(--warm-gray); font-size: 0.84rem; font-weight: 400; }
.footer-contact-item a:hover { color: var(--cream); }
.footer-bottom { padding: 18px 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; flex-wrap: wrap; gap: 10px; color: var(--warm-gray); }

/* ── SCROLL TOP ── */
.scroll-top {
  position: fixed; bottom: 18px; right: 16px;
  width: 40px; height: 40px;
  background: var(--primary); color: #fff;
  border-radius: 8px; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none;
  transition: var(--t); z-index: 850;
}
.scroll-top.show { opacity: 1; pointer-events: all; }
.scroll-top:hover { background: var(--primary-dark); }

/* ── UTILS ── */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.checklist { display: flex; flex-direction: column; gap: 8px; }
.checklist-item { display: flex; align-items: flex-start; gap: 9px; font-size: 0.88rem; }

/* ── ANIMATE IN ── */
.animate-in { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.animate-in.visible { opacity: 1; transform: translateY(0); }

/* ── MODAL ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.6); z-index: 2000;
  align-items: center; justify-content: center; padding: 20px;
  backdrop-filter: blur(3px);
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: var(--white); border-radius: var(--radius-lg);
  max-width: 460px; width: 100%; padding: 32px; position: relative;
  animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.modal-close {
  position: absolute; top: 14px; right: 16px;
  background: none; border: none; font-size: 0.78rem; font-weight: 700;
  cursor: pointer; color: var(--text-muted); transition: var(--t); line-height: 1.2;
}
.modal-close:hover { color: var(--text); }
.survey-choice-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}
.survey-choice-actions .btn {
  width: 100%;
  justify-content: center;
}
.survey-choice-number {
  margin-top: 14px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--navy);
  text-align: center;
}
.survey-choice-note {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.6;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .services-grid   { grid-template-columns: repeat(2,1fr); }
  .why-grid        { grid-template-columns: repeat(2,1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; gap: 28px; }
  .process-steps   { grid-template-columns: repeat(2,1fr); gap: 24px; }
  .process-5col    { grid-template-columns: repeat(3,1fr); }
  .office-scope-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-banner-inner { grid-template-columns: 1fr; gap: 20px; }
  .cta-banner-btns { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 768px) {
  .container       { width: 100%; max-width: 100%; }
  .nav-menu        { display: none; }
  .hamburger       { display: flex; }
  .header-cta      { display: none; }
  .header-hotline  { display: none; }
  .header-inner    { gap: 12px; }
  .logo            { min-width: 0; flex: 1; gap: 8px; }
  .logo-img        { height: 40px; }
  .logo-text       { min-width: 0; }
  .logo-text strong,
  .logo-text span  { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .hamburger       { flex-shrink: 0; margin-left: auto; }
  .section         { padding: 48px 0; }
  .section-heading h2 { max-width: calc(100vw - 40px); margin-left: auto; margin-right: auto; font-size: clamp(1.25rem, 5.2vw, 1.7rem); line-height: 1.25; overflow-wrap: anywhere; word-break: normal; }
  .section-title-line { display: block; }
  .pain-grid       { grid-template-columns: repeat(2,1fr); }
  .services-grid   { grid-template-columns: 1fr; }
  .service-card-img { height: 184px; flex-basis: 184px; }
  .service-card-body { min-height: 0; }
  .projects-grid   { grid-template-columns: 1fr; }
  .office-scope-grid { grid-template-columns: 1fr; gap: 16px; }
  .office-scope-card { padding: 20px; }
  .office-intro-grid {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
    align-items: start !important;
  }
  .office-intro-copy { order: 1; }
  .office-intro-image {
    order: 2;
    height: 188px !important;
    border-radius: 12px !important;
  }
  .office-intro-points {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }
  .office-intro-points > div { padding: 12px !important; }
  .office-intro-points > div > div {
    font-size: 0.82rem !important;
    line-height: 1.35 !important;
  }
  .office-handover .container > div {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
  .area-grid       { grid-template-columns: repeat(3,1fr); }
  .footer-grid     { grid-template-columns: 1fr; }
  .contact-bar-inner { flex-direction: column; text-align: center; }
  .contact-bar-phones { justify-content: center; }
  /* Hero mobile */
  #hero            { min-height: auto; }
  /* Trên mobile header đã có logo, không gian hẹp → ẩn góc trắng để tránh đè chữ */
  .hero-logo-corner { display: none; }
  .hero-center     { width: 100%; max-width: calc(100vw - 28px); padding: 26px 0 18px; }
  .hero-subline    { --badge-w: 104px; --badge-h: 66px; display: flex; justify-content: flex-end; min-height: 72px; margin-bottom: 12px; }
  .hero-subline::before { display: none; }
  .hero-burst      { animation: none; }
  .hero-burst .burst-inner { gap: 1px; padding: 0 5px 2px; font-size: 0.76rem; }
  .hero-center h1  { max-width: calc(100vw - 28px); margin-left: auto; margin-right: auto; margin-bottom: 4px; font-size: clamp(0.9rem, 3.95vw, 1.02rem); line-height: 1.08; overflow: visible; }
  .hero-center h1 .h1-line { display: block; }
  .hero-center h1 .h1-line-desktop { display: block; white-space: nowrap; }
  .hero-center h1 .h1-line-mobile { display: none; }
  .hero-subline-text { position: absolute; left: 50%; transform: translateX(-50%); max-width: calc(100% - 128px); font-size: clamp(0.98rem, 4.3vw, 1.16rem); line-height: 1.02; }
  .hero-cta        { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; max-width: calc(100vw - 28px); gap: 8px; margin-left: auto; margin-right: auto; margin-bottom: 0; }
  .hero-cta .btn   { width: 100%; max-width: none; min-height: 58px; padding: 9px 8px; justify-content: center; white-space: normal; text-align: center; line-height: 1.14; font-size: 0.78rem; }
  .hero-cta-label-desktop { display: none; }
  .hero-cta-label-mobile { display: flex; width: 100%; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: inherit; font-weight: 700; line-height: 1.14; }
  .hero-cta-phone-mobile { display: block; font-size: inherit; font-weight: inherit; letter-spacing: 0; }
  .hero-trust-wrap { display: none; }
  .service-card-img::after,
  .service-detail-img::after,
  .image-watermark::after { width: 56px; height: 56px; right: 10px; bottom: 10px; }
  .hero-info-bar   { gap: 8px 0; }
  .hero-info-item  { font-size: 0.73rem; padding: 0 10px; }
  .hero-info-sep   { display: none; }
  .hero-info-phone { font-size: 0.85rem; padding: 0 10px; }
}
@media (max-width: 480px) {
  .pain-grid       { grid-template-columns: 1fr; }
  .why-grid        { grid-template-columns: 1fr; }
  .area-grid       { grid-template-columns: repeat(2,1fr); }
  .process-5col    { grid-template-columns: repeat(2,1fr); }
  .process-row2    { margin-top: 20px; }
  .section-heading h2 { font-size: clamp(1.18rem, 5.4vw, 1.45rem); }
  /* Hero rất nhỏ */
  .hero-center     { padding: 22px 0 14px; }
  .hero-center h1  { font-size: clamp(0.84rem, 3.85vw, 0.96rem); line-height: 1.06; }
  .hero-subline    { --badge-w: 96px; --badge-h: 60px; min-height: 62px; margin-bottom: 10px; }
  .hero-subline-text { max-width: calc(100% - 112px); font-size: clamp(0.92rem, 4vw, 1.08rem); }
  .hero-burst .burst-inner { font-size: 0.7rem; gap: 1px; padding: 0 4px 2px; }
  .hero-cta        { gap: 7px; }
  .hero-cta .btn   { min-height: 56px; padding: 8px 6px; font-size: 0.74rem; }
  .service-card-img { height: 164px; flex-basis: 164px; }
  .service-card-body { min-height: 0; padding: 20px; }
  .office-intro-image { height: 160px !important; }
  .office-intro-points > div { padding: 10px 11px !important; }
  .office-intro-points > div > div { font-size: 0.78rem !important; }
  .survey-choice-actions { grid-template-columns: 1fr; }
  .service-card-img::after,
  .service-detail-img::after,
  .image-watermark::after { width: 48px; height: 48px; right: 8px; bottom: 8px; }
  .hero-label      { font-size: 0.7rem; }
  .hero-info-bar   { flex-direction: column; gap: 6px; align-items: flex-start; padding-left: 4px; }
  .hero-info-item  { padding: 0; }
  .hero-info-phone { padding: 0; }
}