/* Muzo Builders Premium — Design System
   Two-color brand: navy #0f2747 + steel-blue #3b6ea8
   Built from scratch. No Bootstrap component CSS.
*/

:root {
  --navy: #0f2747;
  --navy-deep: #0a1a30;
  --navy-700: #1f2a3a;
  --navy-500: #5b6878;
  --steel: #3b6ea8;
  --steel-700: #2a527e;
  --steel-300: #6b96cc;
  --cream: #f4f6f9;
  --line: rgba(15, 39, 71, 0.08);
  --line-strong: rgba(15, 39, 71, 0.16);
  --shadow-sm: 0 1px 2px rgba(15, 39, 71, 0.06), 0 12px 32px -8px rgba(15, 39, 71, 0.12);
  --shadow-lg: 0 24px 48px -12px rgba(15, 39, 71, 0.2);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--navy);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a { color: var(--navy); text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }

/* ---------- Layout primitives ---------- */
.mb-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 768px) {
  .mb-container { padding: 0 20px; }
}

.mb-row { display: flex; flex-wrap: wrap; margin: 0 -16px; }
.mb-col { padding: 0 16px; flex: 1 1 0; min-width: 0; }
.mb-col-2 { flex: 0 0 16.6666%; max-width: 16.6666%; padding: 0 16px; }
.mb-col-3 { flex: 0 0 25%; max-width: 25%; padding: 0 16px; }
.mb-col-4 { flex: 0 0 33.3333%; max-width: 33.3333%; padding: 0 16px; }
.mb-col-6 { flex: 0 0 50%; max-width: 50%; padding: 0 16px; }
.mb-col-8 { flex: 0 0 66.6666%; max-width: 66.6666%; padding: 0 16px; }
.mb-col-12 { flex: 0 0 100%; max-width: 100%; padding: 0 16px; }
@media (max-width: 992px) {
  .mb-col-2, .mb-col-3, .mb-col-4 { flex: 0 0 50%; max-width: 50%; }
  .mb-col-6, .mb-col-8 { flex: 0 0 100%; max-width: 100%; }
}
@media (max-width: 600px) {
  .mb-col-2, .mb-col-3, .mb-col-4, .mb-col-6, .mb-col-8 { flex: 0 0 100%; max-width: 100%; }
}

.mb-section { padding: 140px 0; }
@media (max-width: 768px) { .mb-section { padding: 96px 0; } }

.mb-section-tight { padding: 96px 0; }
@media (max-width: 768px) { .mb-section-tight { padding: 64px 0; } }

/* ---------- Typography ---------- */
.mb-display {
  font-size: 88px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
}
@media (max-width: 768px) { .mb-display { font-size: 56px; } }

h1.mb-display, h1.mb-h1 { font-weight: 800; letter-spacing: -0.025em; line-height: 1.05; }
.mb-h1 { font-size: 72px; }
@media (max-width: 768px) { .mb-h1 { font-size: 44px; } }

.mb-h2 {
  font-size: 56px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
@media (max-width: 768px) { .mb-h2 { font-size: 36px; } }

.mb-h3 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.25;
}
@media (max-width: 768px) { .mb-h3 { font-size: 22px; } }

.mb-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
  padding: 8px 16px;
  border: 1px solid rgba(59, 110, 168, 0.32);
  border-radius: 9999px;
  background: rgba(59, 110, 168, 0.08);
}

.mb-eyebrow-light { color: var(--steel-300); border-color: rgba(107, 150, 204, 0.5); background: rgba(107, 150, 204, 0.12); }

.mb-lede {
  font-size: 22px;
  line-height: 1.5;
  color: var(--navy-500);
  font-weight: 400;
}
@media (max-width: 768px) { .mb-lede { font-size: 18px; } }

.mb-num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ---------- Buttons ---------- */
.mb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 28px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
  white-space: nowrap;
  cursor: pointer;
}
@media (max-width: 768px) { .mb-btn { height: 48px; padding: 0 22px; font-size: 15px; } }

.mb-btn-primary {
  background: var(--navy);
  color: #fff;
  border: 1px solid var(--navy);
}
.mb-btn-primary:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(15, 39, 71, 0.4);
}

.mb-btn-steel {
  background: var(--steel);
  color: #fff;
  border: 1px solid var(--steel);
}
.mb-btn-steel:hover {
  background: var(--steel-700);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(59, 110, 168, 0.4);
}

.mb-btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.mb-btn-ghost:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }

.mb-btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.7);
}
.mb-btn-ghost-light:hover { background: #fff; color: var(--navy); border-color: #fff; transform: translateY(-2px); }

.mb-btn-lg { height: 56px; padding: 0 32px; font-size: 17px; }

/* ---------- Navigation ---------- */
.mb-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 96px;
  z-index: 100;
  background: transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease, height .25s ease;
  border-bottom: 1px solid transparent;
}
@media (max-width: 768px) { .mb-nav { height: 76px; } }

.mb-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-bottom-color: var(--line);
}

.mb-nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.mb-nav-logo img { height: 56px; width: auto; transition: opacity .2s ease; }
@media (max-width: 768px) { .mb-nav-logo img { height: 44px; } }

.mb-nav-logo .logo-light { display: block; filter: brightness(0) invert(1); }
.mb-nav-logo .logo-dark { display: none; }
.mb-nav.is-scrolled .logo-light { display: none; }
.mb-nav.is-scrolled .logo-dark { display: block; }

.mb-nav-menu { display: flex; align-items: center; gap: 36px; list-style: none; }
@media (max-width: 992px) { .mb-nav-menu { display: none; } }

.mb-nav-menu a {
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.03em;
  position: relative;
  padding: 8px 0;
  transition: color .2s ease;
}
.mb-nav-menu a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--steel);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .25s ease;
}
.mb-nav-menu a:hover::after,
.mb-nav-menu a.active::after { transform: scaleX(1); }
.mb-nav.is-scrolled .mb-nav-menu a { color: var(--navy); }

.mb-nav-actions { display: flex; align-items: center; gap: 16px; }

.mb-nav-phone {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
}
.mb-nav.is-scrolled .mb-nav-phone { color: var(--navy-500); }
@media (max-width: 992px) { .mb-nav-phone { display: none; } }

.mb-nav-cta {
  display: inline-flex;
  align-items: center;
  height: 44px;
  padding: 0 22px;
  border-radius: 9999px;
  background: var(--navy);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--navy);
  transition: all .2s ease;
}
.mb-nav-cta:hover { background: var(--steel); border-color: var(--steel); color: #fff; }
.mb-nav.is-scrolled .mb-nav-cta { background: var(--navy); color: #fff; }

.mb-nav-burger {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  cursor: pointer;
}
@media (max-width: 992px) { .mb-nav-burger { display: flex; align-items: center; justify-content: center; } }

.mb-nav-burger span,
.mb-nav-burger span::before,
.mb-nav-burger span::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: all .25s ease;
}
.mb-nav.is-scrolled .mb-nav-burger span,
.mb-nav.is-scrolled .mb-nav-burger span::before,
.mb-nav.is-scrolled .mb-nav-burger span::after { background: var(--navy); }
.mb-nav-burger span::before { transform: translateY(-7px); }
.mb-nav-burger span::after { transform: translateY(7px); }

.mb-mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(15, 39, 71, 0.95);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.mb-mobile-menu.is-open { opacity: 1; pointer-events: auto; }
.mb-mobile-menu ul { list-style: none; text-align: center; }
.mb-mobile-menu li { opacity: 0; transform: translateY(20px); transition: all .35s ease; margin: 16px 0; }
.mb-mobile-menu.is-open li { opacity: 1; transform: translateY(0); }
.mb-mobile-menu li:nth-child(1) { transition-delay: .05s; }
.mb-mobile-menu li:nth-child(2) { transition-delay: .1s; }
.mb-mobile-menu li:nth-child(3) { transition-delay: .15s; }
.mb-mobile-menu li:nth-child(4) { transition-delay: .2s; }
.mb-mobile-menu li:nth-child(5) { transition-delay: .25s; }
.mb-mobile-menu li:nth-child(6) { transition-delay: .3s; }
.mb-mobile-menu li:nth-child(7) { transition-delay: .35s; }
.mb-mobile-menu a {
  color: #fff;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.mb-mobile-menu a:hover { color: var(--steel-300); }

/* ---------- Hero ---------- */
.mb-hero {
  position: relative;
  height: 100vh;
  min-height: 720px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.mb-hero-tight { height: 60vh; min-height: 480px; }
.mb-hero-short { height: 50vh; min-height: 380px; }

.mb-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
@media (min-width: 992px) {
  .mb-hero-bg { background-attachment: fixed; }
}

.mb-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(59, 110, 168, 0.22), transparent 60%),
    linear-gradient(180deg, rgba(15, 39, 71, 0.85) 0%, rgba(15, 39, 71, 0.20) 35%, rgba(15, 39, 71, 0.25) 70%, rgba(15, 39, 71, 0.85) 100%);
  z-index: 1;
}

.mb-hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 96px;
}

.mb-hero-inner {
  max-width: 760px;
}

.mb-hero h1 { color: #fff; margin: 24px 0 24px; }
.mb-hero p.mb-lede { color: rgba(255, 255, 255, 0.88); max-width: 620px; }

.mb-hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }

.mb-hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  flex-wrap: wrap;
}
@media (max-width: 768px) { .mb-hero-stats { gap: 24px; margin-top: 40px; } }

.mb-hero-stat { padding-right: 32px; border-right: 1px solid rgba(255, 255, 255, 0.18); min-width: 140px; }
.mb-hero-stat:last-child { border-right: 0; padding-right: 0; }
.mb-hero-stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--steel-300);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 768px) { .mb-hero-stat-num { font-size: 24px; } }
.mb-hero-stat-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* ---------- Cards ---------- */
.mb-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.mb-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 110, 168, 0.32);
}

.mb-glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  padding: 32px;
  color: #fff;
}

.mb-glass-light {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(28px) saturate(140%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

/* Project cards */
.mb-project-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
  position: relative;
  display: block;
}
.mb-project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(59, 110, 168, 0.4);
}

.mb-project-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--cream);
}
.mb-project-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease, opacity .4s ease;
}
.mb-project-card:hover .mb-project-media img { transform: scale(1.04); }

.mb-project-pill-overlay {
  position: absolute;
  top: 16px; left: 16px;
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
  background: var(--steel);
  color: #fff;
}

.mb-project-body { padding: 24px; }
.mb-project-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}
.mb-project-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.mb-project-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px;
  border-radius: 9999px;
  background: rgba(15, 39, 71, 0.06);
  font-size: 12px;
  font-weight: 500;
  color: var(--navy-500);
}
.mb-project-loc {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 6px 14px;
  border-radius: 9999px;
  background: rgba(59, 110, 168, 0.1);
  color: var(--steel-700);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Section titles */
.mb-section-title { text-align: center; margin-bottom: 64px; }
.mb-section-title h2 { color: var(--navy); margin-top: 16px; }
.mb-section-title p { color: var(--navy-500); max-width: 640px; margin: 16px auto 0; }
.mb-section-title.left { text-align: left; }
.mb-section-title.left p { margin-left: 0; }

/* Feature/benefit cards */
.mb-feature {
  padding: 32px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  height: 100%;
  transition: all .3s ease;
}
.mb-feature:hover { border-color: rgba(59, 110, 168, 0.4); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.mb-feature-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(15, 39, 71, 0.06), rgba(59, 110, 168, 0.14));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px;
  color: var(--steel);
}
.mb-feature h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; color: var(--navy); }
.mb-feature p { color: var(--navy-500); }

/* Trust strip */
.mb-trust {
  background: var(--cream);
  padding: 64px 0;
}
.mb-trust-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.mb-trust-item { text-align: center; }
.mb-trust-num {
  font-size: 48px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.mb-trust-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy-500);
  margin-top: 6px;
}

/* Badge tile */
.mb-badge-tile {
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1.4/1;
  transition: all .3s ease;
}
.mb-badge-tile:hover { transform: translateY(-3px); border-color: rgba(59,110,168,.32); box-shadow: var(--shadow-sm); }
.mb-badge-tile img { max-width: 100%; max-height: 80px; object-fit: contain; }

/* Forms */
.mb-form { display: grid; gap: 16px; }
.mb-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .mb-form-row { grid-template-columns: 1fr; } }

.mb-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.mb-input,
.mb-select,
.mb-textarea {
  width: 100%;
  height: 52px;
  padding: 0 18px;
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  font-family: inherit;
  color: var(--navy);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.mb-textarea { height: auto; padding: 14px 18px; min-height: 120px; resize: vertical; }
.mb-input:focus,
.mb-select:focus,
.mb-textarea:focus {
  outline: none;
  border-color: var(--steel);
  box-shadow: 0 0 0 4px rgba(59, 110, 168, 0.12);
}

.mb-form-msg { padding: 14px 18px; border-radius: 12px; font-size: 14px; font-weight: 500; }
.mb-form-msg.error { background: rgba(220, 38, 38, 0.08); color: #b91c1c; border: 1px solid rgba(220, 38, 38, 0.18); }
.mb-form-msg.success { background: rgba(59, 110, 168, 0.1); color: var(--steel-700); border: 1px solid rgba(59, 110, 168, 0.32); }

.mb-spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: mb-spin .7s linear infinite;
}
@keyframes mb-spin { to { transform: rotate(360deg); } }

/* Footer */
.mb-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 96px 0 32px;
}
.mb-footer h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.mb-footer ul { list-style: none; }
.mb-footer ul li { margin-bottom: 12px; }
.mb-footer a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  transition: color .2s ease;
  position: relative;
  padding-bottom: 1px;
}
.mb-footer a:hover { color: var(--steel-300); }
.mb-footer-logo img { height: 48px; margin-bottom: 24px; filter: brightness(0) invert(1); }
.mb-footer-tag { color: rgba(255, 255, 255, 0.65); margin-bottom: 24px; max-width: 320px; }
.mb-footer-address { color: rgba(255, 255, 255, 0.6); font-size: 14px; line-height: 1.7; }
.mb-footer-news { display: flex; gap: 8px; margin-top: 16px; }
.mb-footer-news input {
  flex: 1;
  height: 44px;
  padding: 0 16px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 14px;
}
.mb-footer-news input::placeholder { color: rgba(255, 255, 255, 0.45); }
.mb-footer-news button {
  height: 44px; padding: 0 20px;
  border-radius: 9999px;
  background: var(--steel);
  color: #fff;
  font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em;
  transition: all .2s ease;
}
.mb-footer-news button:hover { background: var(--steel-300); color: var(--navy); }
.mb-footer-social { display: flex; gap: 10px; margin-top: 20px; }
.mb-footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: inline-flex; align-items: center; justify-content: center;
  transition: all .2s ease;
}
.mb-footer-social a:hover { border-color: var(--steel); color: var(--steel-300); transform: translateY(-2px); }
.mb-footer-bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  color: rgba(255, 255, 255, 0.45);
  font-size: 13px;
}
.mb-footer-bottom a { color: rgba(255, 255, 255, 0.55); margin-left: 16px; font-size: 13px; }
.mb-footer-bottom a:hover { color: var(--steel-300); }

/* Filter bar */
.mb-filter {
  display: grid;
  grid-template-columns: repeat(2, 1fr) auto;
  gap: 16px;
  align-items: end;
}
@media (max-width: 600px) { .mb-filter { grid-template-columns: 1fr; } }

/* Reveal animation */
.mb-reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.mb-reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Sticky sidebar */
.mb-sticky { position: sticky; top: 120px; }

.mb-divider { height: 1px; background: var(--line); margin: 32px 0; }

/* Page hero gradient */
.mb-hero-gradient {
  background:
    radial-gradient(ellipse at 75% 25%, rgba(59, 110, 168, 0.25), transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(15, 39, 71, 0.4), transparent 60%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  background-size: cover;
  background-position: center;
}

.mb-text-steel { color: var(--steel); }
.mb-text-white { color: #fff; }
.mb-text-muted { color: var(--navy-500); }

.mb-mt-8 { margin-top: 8px; } .mb-mt-16 { margin-top: 16px; } .mb-mt-24 { margin-top: 24px; }
.mb-mt-32 { margin-top: 32px; } .mb-mt-48 { margin-top: 48px; } .mb-mt-64 { margin-top: 64px; }
.mb-mb-8 { margin-bottom: 8px; } .mb-mb-16 { margin-bottom: 16px; } .mb-mb-24 { margin-bottom: 24px; }
.mb-mb-32 { margin-bottom: 32px; } .mb-mb-48 { margin-bottom: 48px; }
.mb-text-center { text-align: center; }

/* Gallery masonry */
.mb-gallery {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
  height: 480px;
}
.mb-gallery img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.mb-gallery img:nth-child(1) { grid-row: span 2; }
@media (max-width: 768px) {
  .mb-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 200px; height: auto; }
  .mb-gallery img:nth-child(1) { grid-row: span 1; grid-column: span 2; }
}

/* Service section split blocks */
.mb-split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 96px 0; border-bottom: 1px solid var(--line); }
.mb-split:last-child { border-bottom: 0; }
.mb-split.reverse .mb-split-img { order: 2; }
@media (max-width: 992px) { .mb-split { grid-template-columns: 1fr; gap: 40px; padding: 64px 0; } .mb-split.reverse .mb-split-img { order: 0; } }
.mb-split-img img { border-radius: 24px; aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.mb-split ul.mb-bullets { list-style: none; margin: 24px 0; padding: 0; }
.mb-split ul.mb-bullets li {
  position: relative; padding: 8px 0 8px 28px; color: var(--navy-700); font-size: 16px;
}
.mb-split ul.mb-bullets li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--steel) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='%23fff' d='M6.5 11.5l-3-3 1.4-1.4L6.5 8.7l4.6-4.6 1.4 1.4z'/></svg>") center/14px no-repeat;
}

/* Body padding to clear fixed nav for non-hero pages */
.mb-page-offset { padding-top: 96px; }
@media (max-width: 768px) { .mb-page-offset { padding-top: 76px; } }

/* Nav legibility scrim */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 140px;
  background: linear-gradient(180deg, rgba(15,39,71,.55) 0%, rgba(15,39,71,.0) 100%);
  pointer-events: none;
  z-index: 99;
  transition: opacity .25s ease;
}
body.mb-scrolled::before { opacity: 0; }

.mb-nav:not(.is-scrolled) .mb-nav-menu a,
.mb-nav:not(.is-scrolled) .mb-nav-phone {
  text-shadow: 0 1px 6px rgba(15,39,71,.55);
}

/* Stat overlap card on project detail hero */
.mb-stat-overlap {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  background: #fff; border-radius: 24px; padding: 32px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line);
  margin-top: -80px; position: relative; z-index: 3;
}
@media (max-width: 768px) { .mb-stat-overlap { grid-template-columns: 1fr 1fr; gap: 16px; padding: 24px; margin-top: -48px; } }
.mb-stat-overlap .mb-stat-block { padding: 8px 0; }
.mb-stat-overlap .mb-stat-num { font-size: 28px; font-weight: 800; color: var(--navy); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.mb-stat-overlap .mb-stat-label { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--navy-500); margin-top: 4px; }

/* Filter buttons */
.mb-chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.mb-chip {
  padding: 8px 18px; border-radius: 9999px; border: 1.5px solid var(--line-strong);
  background: #fff; font-size: 13px; font-weight: 600; color: var(--navy-500);
  cursor: pointer; transition: all .2s ease;
}
.mb-chip:hover, .mb-chip.is-active { border-color: var(--steel); background: var(--steel); color: #fff; }

/* === Polish 2026-05-07 — bronze accent + uppercase kicker treatment === */
:root {
  --bronze: #b08a4a;
  --bronze-deep: #8a6a36;
}
.mb-eyebrow { color: var(--bronze) !important; letter-spacing: 2.2px !important; font-weight: 700 !important; font-size: 11px !important; text-transform: uppercase; }
.mb-eyebrow-light { color: #d9b87a !important; }
.mb-trust-strip {
  background: var(--navy);
  color: rgba(255,255,255,.92);
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mb-trust-strip-inner { display: flex; flex-wrap: wrap; gap: 22px 36px; align-items: center; justify-content: center; font-size: 13px; letter-spacing: .8px; text-transform: uppercase; font-weight: 600; }
.mb-trust-strip-inner span { color: rgba(255,255,255,.72); }
.mb-trust-strip-inner strong { color: var(--bronze); font-weight: 700; }
.mb-trust-strip-inner .dot { width: 4px; height: 4px; border-radius: 50%; background: rgba(255,255,255,.25); }
.mb-license-block {
  background: var(--navy-deep);
  color: rgba(255,255,255,.85);
  padding: 56px 0;
}
.mb-license-block .kicker { color: var(--bronze); font-size: 11px; letter-spacing: 2px; font-weight: 700; text-transform: uppercase; margin-bottom: 12px; }
.mb-license-block p { font-size: 15px; line-height: 1.7; color: rgba(255,255,255,.85); max-width: 760px; }


.mb-nav-login{position:relative;display:inline-block}
.mb-nav-login summary{list-style:none;cursor:pointer}
.mb-nav-login summary::-webkit-details-marker{display:none}
.mb-nav-login summary::after{content:"\\25BE";margin-left:6px;font-size:10px;opacity:.7}
.mb-nav-login[open] summary::after{content:"\\25B4"}
.mb-nav-login-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 32px rgba(15,30,54,.12);min-width:220px;padding:6px 0;z-index:60}
.mb-nav-login-menu a{display:block;padding:11px 18px;font-size:14px;font-weight:500;color:var(--navy);text-decoration:none}
.mb-nav-login-menu a:hover{background:#f7f9fc;color:var(--steel)}
.mb-nav-login-menu a + a{border-top:1px solid var(--line)}
.mb-nav-login{position:relative;display:inline-block}
.mb-nav-login > a.mb-nav-cta{cursor:pointer;user-select:none}
.mb-nav-login > a.mb-nav-cta::after{content:" \25BE";font-size:10px;opacity:.75;margin-left:4px}
.mb-nav-login.is-open > a.mb-nav-cta::after{content:" \25B4"}
.mb-nav-login-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 32px rgba(15,30,54,.12);min-width:240px;padding:6px 0;z-index:1000}
.mb-nav-login-menu[hidden]{display:none}
.mb-nav-login.is-open .mb-nav-login-menu{display:block}
.mb-nav-login-menu a{display:block;padding:12px 18px;font-size:14px;font-weight:500;color:var(--navy);text-decoration:none}
.mb-nav-login-menu a:hover{background:#f7f9fc;color:var(--steel)}
.mb-nav-login-menu a + a{border-top:1px solid var(--line)}