/* ══ cong-ty-xay-dung — GEOMETRIC-MODERN ══ */
/* Font: Space Grotesk | Tone: light/dark mixed | Identity: GEOMETRIC-MODERN */
/* Accent: Industrial Orange-Red #d84315 | Nav: Minimal accent top-line */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #f7f7f5;
  --surface: #fff;
  --dark: #1a1a16;
  --dark2: #252520;
  --border: #e0e0d8;
  --border-light: #eaeae2;
  --text: #1a1a16;
  --text-2: #5a5a52;
  --text-3: #9a9a90;
  --accent: #d84315;
  --accent-h: #bf360c;
  --accent-light: #fbe9e7;
  --accent-mid: #f4511e;
  --warm: #f0f0e8;
  --warm2: #e5e5dc;
  --danger: #e24b4a;
  --sans: 'Space Grotesk', sans-serif;
  --bs-body-font-family: var(--sans);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-border-color: var(--border);
}

html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--bg); color: var(--text); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
* { box-sizing: border-box; }
img { display: block; max-width: 100%; }
a { text-decoration: none; }
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: var(--warm2); border-radius: 0; }

/* ── Layout ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px, 5vw, 80px); }
.sec-pad { padding: clamp(72px, 10vw, 120px) 0; }

/* ── Reveal ── */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .65s cubic-bezier(.16,1,.3,1), transform .65s cubic-bezier(.16,1,.3,1); }
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .1s; }
[data-reveal][data-delay="2"] { transition-delay: .2s; }
[data-reveal][data-delay="3"] { transition-delay: .3s; }
[data-reveal][data-delay="4"] { transition-delay: .4s; }

/* ══ NAV — Nav-4: Minimal accent top-line ══ */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: #fff;
  border-top: 3px solid var(--accent);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
#nav.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,.09); }

.xd-nav-inner {
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}

.xd-logo {
  font-family: var(--sans); font-size: 16px; font-weight: 700;
  color: var(--text); letter-spacing: .5px; text-transform: uppercase;
  display: flex; align-items: center; gap: 10px;
}
.xd-logo-mark {
  width: 32px; height: 32px; background: var(--accent); border-radius: 2px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.xd-logo-mark svg { width: 18px; height: 18px; fill: #fff; }
.xd-logo span { color: var(--accent); }

.xd-nav-links { display: flex; align-items: center; gap: 32px; }
.xd-nav-links a {
  font-size: 12px; font-weight: 500; color: var(--text-2);
  letter-spacing: .8px; text-transform: uppercase;
  transition: color .2s; position: relative;
}
.xd-nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--accent); transform: scaleX(0);
  transform-origin: left; transition: transform .25s;
}
.xd-nav-links a:hover, .xd-nav-links a.active { color: var(--text); }
.xd-nav-links a:hover::after, .xd-nav-links a.active::after { transform: scaleX(1); }

.xd-nav-cta {
  background: var(--accent); color: #fff;
  padding: 9px 22px; border-radius: 2px;
  font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase;
  transition: background .2s; border: none; cursor: pointer; font-family: var(--sans);
}
.xd-nav-cta:hover { background: var(--accent-h); color: #fff; }

/* hamburger */
.xd-burger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 8px; border: none; background: transparent;
}
.xd-burger span {
  display: block; width: 22px; height: 2px; background: var(--text-2);
  border-radius: 0; transition: all .3s;
}
.xd-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.xd-burger.open span:nth-child(2) { opacity: 0; }
.xd-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.xd-nav-mob {
  position: fixed; inset: 0; background: rgba(255,255,255,.98); z-index: 490;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 32px; opacity: 0; pointer-events: none; transition: opacity .3s;
  border-top: 3px solid var(--accent);
}
.xd-nav-mob.open { opacity: 1; pointer-events: auto; }
.xd-nav-mob a {
  font-size: 20px; font-weight: 600; color: var(--text-2);
  text-decoration: none; text-transform: uppercase; letter-spacing: 1px; transition: color .2s;
}
.xd-nav-mob a:hover { color: var(--accent); }
.xd-nav-mob .xd-nav-cta { font-size: 13px; padding: 13px 36px; }

@media (max-width: 768px) {
  .xd-nav-links, .xd-nav-cta { display: none; }
  .xd-burger { display: flex; }
}

/* ══ HERO — H10: Diagonal Geometric Split ══ */
.xd-hero {
  min-height: 100vh; position: relative; overflow: hidden;
  background: var(--dark2); padding-top: 64px;
  display: flex; align-items: center;
}

.xd-hero-img-wrap {
  position: absolute; right: 0; top: 0; bottom: 0; width: 62%;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%);
}
.xd-hero-img-wrap img {
  width: 100%; height: 100%; object-fit: cover; opacity: .55;
}
.xd-hero-img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, var(--dark2) 0%, rgba(37,37,32,.4) 55%, transparent 100%);
}

.xd-hero-content {
  position: relative; z-index: 2; padding: clamp(60px,10vh,120px) 0;
  max-width: 580px;
}

.xd-hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 2px; padding: 8px 16px; margin-bottom: 28px;
}
.xd-hero-badge-dot {
  width: 8px; height: 8px; background: var(--accent); border-radius: 0;
  animation: xd-blink 2s infinite;
}
@keyframes xd-blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.xd-hero-badge span {
  font-size: 11px; font-weight: 500; color: rgba(255,255,255,.7);
  text-transform: uppercase; letter-spacing: 1px;
}

.xd-hero-heading {
  font-size: clamp(48px, 7vw, 84px); font-weight: 700;
  color: #fff; line-height: 1.0; letter-spacing: -2px; margin-bottom: 20px;
}
.xd-hero-heading .xd-accent { color: var(--accent); }

.xd-hero-sub {
  font-size: clamp(15px, 1.5vw, 17px); font-weight: 300;
  color: rgba(255,255,255,.55); line-height: 1.7; margin-bottom: 36px; max-width: 460px;
}

.xd-hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.xd-btn-solid {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 14px 32px; border-radius: 2px; font-size: 12px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  transition: background .2s; font-family: var(--sans); border: 2px solid var(--accent);
}
.xd-btn-solid:hover { background: var(--accent-h); border-color: var(--accent-h); color: #fff; }

.xd-btn-ghost-dark {
  display: inline-block; background: transparent; color: rgba(255,255,255,.7);
  padding: 14px 32px; border-radius: 2px; font-size: 12px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase;
  border: 2px solid rgba(255,255,255,.2); transition: all .2s; font-family: var(--sans);
}
.xd-btn-ghost-dark:hover { border-color: rgba(255,255,255,.5); color: #fff; }

/* Scroll indicator */
.xd-scroll-ind {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 2;
}
.xd-scroll-ind span { font-size: 10px; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: 2px; }
.xd-scroll-arrow {
  width: 20px; height: 20px; border-right: 2px solid rgba(255,255,255,.3);
  border-bottom: 2px solid rgba(255,255,255,.3);
  transform: rotate(45deg); animation: xd-bounce .8s infinite alternate;
}
@keyframes xd-bounce { from{transform:rotate(45deg) translate(-2px,-2px)} to{transform:rotate(45deg) translate(2px,2px)} }

@media (max-width: 768px) {
  .xd-hero-img-wrap { width: 100%; clip-path: none; opacity: .2; }
  .xd-hero-img-wrap::after { background: linear-gradient(to bottom, var(--dark2) 30%, transparent 100%); }
  .xd-hero-content { max-width: 100%; }
  .xd-hero-heading { letter-spacing: -1.5px; }
}

/* ══ STATS BAR ══ */
.xd-stats-bar { background: var(--accent); padding: 44px 0; }
.xd-stat-item { text-align: center; }
.xd-stat-num {
  font-size: clamp(36px, 5vw, 60px); font-weight: 700; color: #fff;
  letter-spacing: -2px; line-height: 1; display: block;
}
.xd-stat-label {
  font-size: 11px; color: rgba(255,255,255,.65);
  text-transform: uppercase; letter-spacing: 1.5px;
  display: block; margin-top: 6px;
}
.xd-stats-divider {
  width: 1px; background: rgba(255,255,255,.2);
  align-self: stretch; margin: 4px 0;
}

/* ══ SECTION HEADERS ══ */
.xd-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px;
}
.xd-eyebrow::before {
  content: ''; width: 24px; height: 3px; background: var(--accent);
}
.xd-sec-title {
  font-size: clamp(28px, 4vw, 48px); font-weight: 700; color: var(--text);
  line-height: 1.05; letter-spacing: -1.5px; margin-bottom: 16px;
}
.xd-sec-title .xd-accent { color: var(--accent); }
.xd-sec-sub {
  font-size: 15px; font-weight: 300; color: var(--text-2);
  line-height: 1.75; max-width: 520px;
}

/* Dark section headers */
.xd-sec-dark .xd-eyebrow { color: var(--accent-mid); }
.xd-sec-dark .xd-eyebrow::before { background: var(--accent-mid); }
.xd-sec-dark .xd-sec-title { color: #fff; }
.xd-sec-dark .xd-sec-sub { color: rgba(255,255,255,.45); }

/* ══ SERVICE CARDS — Sharp geometric ══ */
.xd-service-card {
  background: var(--surface); border-radius: 2px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 32px 28px; height: 100%;
  transition: background .25s, box-shadow .25s, transform .25s;
}
.xd-service-card:hover {
  background: var(--dark); box-shadow: 0 12px 36px rgba(0,0,0,.15);
  transform: translateY(-4px);
}
.xd-service-card:hover .xd-svc-num,
.xd-service-card:hover .xd-svc-title,
.xd-service-card:hover .xd-svc-body { color: rgba(255,255,255,.85); }
.xd-service-card:hover .xd-svc-icon-wrap { background: rgba(216,67,21,.15); }
.xd-service-card:hover .xd-svc-arrow { border-color: rgba(255,255,255,.3); color: rgba(255,255,255,.5); }

.xd-svc-icon-wrap {
  width: 52px; height: 52px; background: var(--accent-light);
  border-radius: 2px; display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px; transition: background .25s;
}
.xd-svc-icon-wrap svg { width: 26px; height: 26px; stroke: var(--accent); fill: none; stroke-width: 1.8; }

.xd-svc-num {
  font-size: 11px; font-weight: 600; color: var(--text-3);
  letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 10px;
  transition: color .25s;
}
.xd-svc-title {
  font-size: 19px; font-weight: 700; color: var(--text);
  letter-spacing: -.5px; margin-bottom: 12px; transition: color .25s;
}
.xd-svc-body {
  font-size: 14px; font-weight: 300; color: var(--text-2);
  line-height: 1.7; margin-bottom: 24px; transition: color .25s;
}
.xd-svc-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--text-3);
  text-transform: uppercase; letter-spacing: 1px;
  border-bottom: 1px solid var(--border); padding-bottom: 4px; transition: all .25s;
}

/* ══ PROJECT GRID — MASONRY ══ */
.xd-project-section { background: var(--dark); padding: clamp(72px,10vw,120px) 0; }
.xd-project-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: auto;
  gap: 6px;
  margin-top: 52px;
}

/* Bento-masonry layout */
.xd-project-item { position: relative; overflow: hidden; border-radius: 2px; }
.xd-project-item:nth-child(1) { grid-column: 1/7; grid-row: 1/3; }
.xd-project-item:nth-child(2) { grid-column: 7/10; grid-row: 1/2; }
.xd-project-item:nth-child(3) { grid-column: 10/13; grid-row: 1/2; }
.xd-project-item:nth-child(4) { grid-column: 7/10; grid-row: 2/3; }
.xd-project-item:nth-child(5) { grid-column: 10/13; grid-row: 2/3; }

.xd-project-item img {
  width: 100%; height: 100%; object-fit: cover;
  min-height: 220px; transition: transform .45s cubic-bezier(.16,1,.3,1);
}
.xd-project-item:nth-child(1) img { min-height: 460px; }

.xd-project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,22,.92) 0%, transparent 50%);
  opacity: 0; transition: opacity .35s;
  display: flex; flex-direction: column; justify-content: flex-end; padding: 24px;
}
.xd-project-item:hover .xd-project-overlay { opacity: 1; }
.xd-project-item:hover img { transform: scale(1.06); }

.xd-proj-cat {
  font-size: 10px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 6px;
}
.xd-proj-name { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: -.3px; }
.xd-proj-loc { font-size: 12px; color: rgba(255,255,255,.5); margin-top: 4px; }

.xd-project-all {
  text-align: center; margin-top: 40px;
}

@media (max-width: 768px) {
  .xd-project-grid { grid-template-columns: 1fr 1fr; }
  .xd-project-item:nth-child(1),
  .xd-project-item:nth-child(2),
  .xd-project-item:nth-child(3),
  .xd-project-item:nth-child(4),
  .xd-project-item:nth-child(5) {
    grid-column: auto; grid-row: auto;
  }
  .xd-project-item img { min-height: 180px !important; }
}

/* ══ CAPABILITY STRIPS — ALTERNATING ══ */
.xd-strip { padding: clamp(64px,8vw,100px) 0; }
.xd-strip:nth-child(even) { background: var(--warm); }
.xd-strip-img {
  position: relative; border-radius: 2px; overflow: hidden;
}
.xd-strip-img img { width: 100%; height: 380px; object-fit: cover; border-radius: 2px; }
.xd-strip-img-badge {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: var(--accent); padding: 14px 24px;
  display: flex; align-items: center; gap: 12px;
}
.xd-strip-img-badge svg { width: 20px; height: 20px; fill: rgba(255,255,255,.7); flex-shrink: 0; }
.xd-strip-img-badge span { font-size: 13px; font-weight: 600; color: #fff; letter-spacing: .3px; }

.xd-strip-content { padding: 0 clamp(0px,4vw,40px); }
.xd-strip-list { list-style: none; padding: 0; margin: 24px 0 32px; }
.xd-strip-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 14px; color: var(--text-2); line-height: 1.6; padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.xd-strip-list li:last-child { border-bottom: none; }
.xd-strip-list li::before {
  content: ''; width: 16px; height: 16px; background: var(--accent);
  border-radius: 0; flex-shrink: 0; margin-top: 3px; clip-path: polygon(0 0,100% 50%,0 100%);
}

/* ══ PARTNERS ══ */
.xd-partner-logo {
  height: 48px; display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 2px;
  padding: 10px 20px; transition: border-color .2s;
}
.xd-partner-logo:hover { border-color: var(--accent); }
.xd-partner-logo img { height: 28px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .5; transition: filter .2s, opacity .2s; }
.xd-partner-logo:hover img { filter: none; opacity: 1; }

.xd-cert-badge {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 2px; border-top: 3px solid var(--accent);
  padding: 20px 16px; text-align: center;
  transition: box-shadow .2s;
}
.xd-cert-badge:hover { box-shadow: 0 8px 28px rgba(0,0,0,.07); }
.xd-cert-icon {
  width: 40px; height: 40px; background: var(--accent-light);
  border-radius: 2px; margin: 0 auto 12px; display: flex; align-items: center; justify-content: center;
}
.xd-cert-icon svg { width: 22px; height: 22px; stroke: var(--accent); fill: none; stroke-width: 2; }
.xd-cert-name { font-size: 13px; font-weight: 700; color: var(--text); letter-spacing: -.2px; margin-bottom: 4px; }
.xd-cert-sub { font-size: 11px; color: var(--text-3); letter-spacing: .5px; }

/* ══ TESTIMONIALS ══ */
.xd-testi-card {
  background: var(--surface); border-radius: 2px;
  border: 1px solid var(--border); border-top: 3px solid var(--accent);
  padding: 32px 28px; height: 100%;
  transition: box-shadow .25s, transform .25s;
}
.xd-testi-card:hover { box-shadow: 0 12px 36px rgba(0,0,0,.07); transform: translateY(-4px); }

.xd-testi-stars { display: flex; gap: 4px; margin-bottom: 16px; }
.xd-testi-stars span { color: #f59e0b; font-size: 16px; }
.xd-testi-quote { font-size: 15px; font-weight: 300; color: var(--text); line-height: 1.75; margin-bottom: 24px; font-style: italic; }
.xd-testi-quote::before { content: '"'; font-size: 40px; line-height: 1; color: var(--accent); display: block; font-style: normal; margin-bottom: 8px; }
.xd-testi-author { display: flex; align-items: center; gap: 12px; }
.xd-testi-avatar {
  width: 44px; height: 44px; border-radius: 2px; overflow: hidden;
  background: var(--warm2); flex-shrink: 0;
}
.xd-testi-avatar img { width: 100%; height: 100%; object-fit: cover; }
.xd-testi-name { font-size: 14px; font-weight: 700; color: var(--text); letter-spacing: -.2px; }
.xd-testi-role { font-size: 12px; color: var(--text-3); letter-spacing: .3px; }

/* ══ CTA + MAP SPLIT ══ */
.xd-cta-section { background: var(--dark); padding: clamp(72px,10vw,120px) 0; }
.xd-cta-form-wrap {
  background: var(--dark2); border-radius: 2px; border: 1px solid rgba(255,255,255,.06);
  padding: 40px 36px;
}
.xd-form-label {
  font-size: 11px; font-weight: 600; color: rgba(255,255,255,.45);
  text-transform: uppercase; letter-spacing: 1.5px; display: block; margin-bottom: 8px;
}
.xd-form-input, .xd-form-select {
  width: 100%; background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1); border-radius: 2px;
  padding: 12px 16px; color: #fff; font-size: 14px; font-family: var(--sans);
  transition: border-color .2s; outline: none;
  -webkit-appearance: none; appearance: none;
}
.xd-form-input::placeholder { color: rgba(255,255,255,.2); }
.xd-form-input:focus, .xd-form-select:focus { border-color: var(--accent); }
.xd-form-select { background-image: none; cursor: pointer; }
.xd-form-select option { background: var(--dark2); color: var(--text); }
.xd-form-btn {
  width: 100%; background: var(--accent); color: #fff; border: none;
  padding: 15px; border-radius: 2px; font-size: 12px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; cursor: pointer;
  font-family: var(--sans); transition: background .2s; margin-top: 8px;
}
.xd-form-btn:hover { background: var(--accent-h); }

.xd-map-placeholder {
  background: var(--dark2); border-radius: 2px; border: 1px solid rgba(255,255,255,.06);
  height: 320px; display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
}
.xd-map-placeholder iframe { border: none; }

.xd-contact-detail { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
.xd-contact-row { display: flex; align-items: flex-start; gap: 14px; }
.xd-contact-icon {
  width: 36px; height: 36px; background: rgba(216,67,21,.15);
  border-radius: 2px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.xd-contact-icon svg { width: 18px; height: 18px; stroke: var(--accent); fill: none; stroke-width: 2; }
.xd-contact-label { font-size: 11px; color: rgba(255,255,255,.35); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.xd-contact-val { font-size: 14px; font-weight: 600; color: rgba(255,255,255,.85); }
.xd-hotline { font-size: 22px; font-weight: 700; color: var(--accent); letter-spacing: -1px; }

/* ══ FOOTER ══ */
.xd-footer { background: var(--dark); border-top: 3px solid var(--accent); padding: clamp(56px,8vw,96px) 0 0; }
.xd-footer-brand { margin-bottom: 20px; }
.xd-footer-desc { font-size: 13px; font-weight: 300; color: rgba(255,255,255,.4); line-height: 1.75; max-width: 260px; margin-bottom: 24px; }
.xd-footer-social { display: flex; gap: 10px; }
.xd-footer-social a {
  width: 34px; height: 34px; background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1); border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s;
}
.xd-footer-social a:hover { background: var(--accent); border-color: var(--accent); }
.xd-footer-social svg { width: 16px; height: 16px; fill: rgba(255,255,255,.55); }
.xd-footer-social a:hover svg { fill: #fff; }

.xd-footer-heading {
  font-size: 11px; font-weight: 700; color: rgba(255,255,255,.35);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 20px;
}
.xd-footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.xd-footer-links a { font-size: 14px; color: rgba(255,255,255,.45); transition: color .2s; }
.xd-footer-links a:hover { color: var(--accent); }

.xd-footer-divider { border: none; border-top: 1px solid rgba(255,255,255,.06); margin: 40px 0 0; }
.xd-footer-bottom { padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.xd-footer-copy { font-size: 12px; color: rgba(255,255,255,.2); letter-spacing: .3px; }
.xd-footer-legal { display: flex; gap: 20px; }
.xd-footer-legal a { font-size: 12px; color: rgba(255,255,255,.2); transition: color .2s; }
.xd-footer-legal a:hover { color: rgba(255,255,255,.5); }

/* ══ PAGE HERO (Inner pages) ══ */
.xd-page-hero {
  padding: calc(64px + clamp(48px,7vw,90px)) 0 clamp(48px,7vw,80px);
  background: var(--dark2); position: relative; overflow: hidden;
}
.xd-page-hero::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--accent);
}
.xd-page-hero-bg {
  position: absolute; inset: 0; opacity: .12;
}
.xd-page-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.xd-page-hero-content { position: relative; z-index: 1; }
.xd-ph-eyebrow {
  font-size: 11px; font-weight: 600; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2.5px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.xd-ph-eyebrow::before { content: ''; width: 20px; height: 3px; background: var(--accent); }
.xd-ph-title {
  font-size: clamp(32px, 5vw, 62px); font-weight: 700;
  color: #fff; line-height: 1.05; letter-spacing: -2px; margin-bottom: 16px;
}
.xd-ph-sub {
  font-size: clamp(14px,1.4vw,16px); font-weight: 300;
  color: rgba(255,255,255,.45); max-width: 480px; line-height: 1.7;
}

/* ══ BREADCRUMB ══ */
.xd-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.xd-breadcrumb a { font-size: 12px; color: rgba(255,255,255,.35); letter-spacing: .5px; }
.xd-breadcrumb a:hover { color: var(--accent); }
.xd-breadcrumb-sep { font-size: 12px; color: rgba(255,255,255,.2); }
.xd-breadcrumb-current { font-size: 12px; color: var(--accent); font-weight: 500; }

/* ══ DU AN PAGE ══ */
.xd-filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; }
.xd-filter-btn {
  padding: 8px 18px; border-radius: 2px;
  font-size: 12px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase;
  border: 1px solid var(--border); background: transparent; color: var(--text-2);
  cursor: pointer; font-family: var(--sans); transition: all .2s;
}
.xd-filter-btn:hover, .xd-filter-btn.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

.xd-project-card-full {
  position: relative; overflow: hidden; border-radius: 2px; aspect-ratio: 4/3;
}
.xd-project-card-full img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .45s cubic-bezier(.16,1,.3,1);
}
.xd-project-card-full:hover img { transform: scale(1.06); }
.xd-project-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(26,26,22,.9) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 24px;
  opacity: 0; transition: opacity .3s;
}
.xd-project-card-full:hover .xd-project-card-overlay { opacity: 1; }
.xd-proj-tag {
  font-size: 10px; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; margin-bottom: 6px;
}
.xd-proj-title-card { font-size: 17px; font-weight: 700; color: #fff; letter-spacing: -.3px; }
.xd-proj-meta { font-size: 12px; color: rgba(255,255,255,.45); margin-top: 6px; }

/* ══ DICH VU PAGE ══ */
.xd-process-step {
  display: flex; gap: 24px; padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
}
.xd-process-step:last-child { border-bottom: none; }
.xd-process-num {
  font-size: 13px; font-weight: 700; color: var(--accent);
  letter-spacing: 1px; flex-shrink: 0; width: 28px; padding-top: 3px;
}
.xd-process-title { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: -.3px; margin-bottom: 8px; }
.xd-process-body { font-size: 14px; font-weight: 300; color: var(--text-2); line-height: 1.7; }

.xd-pkg-card {
  background: var(--surface); border-radius: 2px;
  border: 1px solid var(--border); border-top: 4px solid var(--border);
  padding: 36px 32px; height: 100%; transition: border-color .2s, box-shadow .2s;
}
.xd-pkg-card.hot { border-top-color: var(--accent); }
.xd-pkg-card:hover { border-color: var(--border); box-shadow: 0 12px 36px rgba(0,0,0,.07); }
.xd-pkg-card.hot:hover { border-color: var(--accent); }
.xd-pkg-label {
  display: inline-block; background: var(--accent); color: #fff;
  font-size: 10px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 2px; margin-bottom: 16px;
}
.xd-pkg-name { font-size: 22px; font-weight: 700; color: var(--text); letter-spacing: -.5px; margin-bottom: 6px; }
.xd-pkg-price { font-size: 15px; font-weight: 300; color: var(--text-2); margin-bottom: 24px; }
.xd-pkg-price strong { font-size: 28px; font-weight: 700; color: var(--accent); letter-spacing: -1px; }
.xd-pkg-list { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 10px; }
.xd-pkg-list li { font-size: 14px; color: var(--text-2); display: flex; align-items: flex-start; gap: 10px; }
.xd-pkg-list li::before {
  content: ''; width: 14px; height: 14px; background: var(--accent);
  clip-path: polygon(0 0,100% 50%,0 100%); flex-shrink: 0; margin-top: 3px;
}

/* ══ LIEN HE PAGE ══ */
.xd-contact-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 2px; border-left: 4px solid var(--accent);
  padding: 28px 24px;
}
.xd-contact-form-wrap { background: var(--warm); border-radius: 2px; padding: 40px 36px; }
.xd-form-light-input, .xd-form-light-select, .xd-form-light-textarea {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: 2px; padding: 13px 16px; color: var(--text); font-size: 14px;
  font-family: var(--sans); outline: none; transition: border-color .2s;
  -webkit-appearance: none; appearance: none;
}
.xd-form-light-textarea { resize: vertical; min-height: 120px; }
.xd-form-light-input::placeholder, .xd-form-light-textarea::placeholder { color: var(--text-3); }
.xd-form-light-input:focus, .xd-form-light-select:focus, .xd-form-light-textarea:focus {
  border-color: var(--accent);
}
.xd-form-light-label {
  font-size: 12px; font-weight: 600; color: var(--text-2);
  text-transform: uppercase; letter-spacing: 1px; display: block; margin-bottom: 8px;
}
.xd-form-submit {
  background: var(--accent); color: #fff; border: none;
  padding: 14px 36px; border-radius: 2px; font-size: 12px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; cursor: pointer;
  font-family: var(--sans); transition: background .2s;
}
.xd-form-submit:hover { background: var(--accent-h); }

/* ══ ZALO FLOAT ══ */
.zalo-float {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 52px; height: 52px; background: #0068FF; border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(0,104,255,.4);
  transition: transform .2s, box-shadow .2s;
}
.zalo-float:hover { transform: scale(1.1); box-shadow: 0 8px 28px rgba(0,104,255,.45); }
.zalo-float img { width: 30px; height: 30px; object-fit: contain; filter: brightness(10); }
.zalo-float-pulse {
  position: absolute; inset: -4px; border-radius: 2px;
  border: 2px solid #0068FF; opacity: .5;
  animation: xd-pulse 2s infinite;
}
@keyframes xd-pulse { 0%{transform:scale(1);opacity:.5} 100%{transform:scale(1.25);opacity:0} }

/* ══ UTILITIES ══ */
.xd-tag-inline {
  display: inline-block; background: var(--accent-light); color: var(--accent);
  font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase;
  padding: 4px 10px; border-radius: 2px;
}
.xd-divider-accent { width: 40px; height: 3px; background: var(--accent); margin-bottom: 24px; }

/* Section with geometric accent line */
.xd-sec-line { border-left: 4px solid var(--accent); padding-left: 24px; }