/**
 * ZAA Integral Engineering Main Theme CSS
 */

:root {
  --zaa-obsidian: #0A0D12;
  --zaa-graphite: #151A21;
  --zaa-graphite-light: #1C2230;
  --zaa-warm-white: #F5F4F0;
  --zaa-steel: #8B949E;
  --zaa-steel-light: #A8B2BC;
  --zaa-near-black: #111318;
  --zaa-amber: #C8935A;
  --zaa-amber-light: #D4A76A;
  --zaa-amber-dark: #A67744;
  --zaa-font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --zaa-font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--zaa-obsidian);
  color: var(--zaa-warm-white);
  font-family: var(--zaa-font-body);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.zaa-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 768px) {
  .zaa-container {
    padding: 0 24px;
  }
}

/* Typography */
.zaa-heading {
  font-family: var(--zaa-font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--zaa-warm-white);
  margin: 0;
}

.zaa-heading-xl { font-size: clamp(2.5rem, 8vw, 5.5rem); }
.zaa-heading-lg { font-size: clamp(2rem, 5vw, 3.5rem); }
.zaa-heading-md { font-size: clamp(1.5rem, 3vw, 2rem); }

.zaa-body {
  font-family: var(--zaa-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--zaa-steel-light);
  margin: 0;
}

/* Section label */
.zaa-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.zaa-section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background-color: rgba(200, 147, 90, 0.6);
}

.zaa-section-label span {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(200, 147, 90, 0.8);
}

/* Buttons */
.zaa-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background-color: var(--zaa-amber);
  color: var(--zaa-obsidian);
  font-family: var(--zaa-font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.zaa-btn-primary:hover {
  background-color: var(--zaa-amber-light);
}

.zaa-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background-color: transparent;
  color: var(--zaa-warm-white);
  font-family: var(--zaa-font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(245, 244, 240, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.zaa-btn-secondary:hover {
  border-color: rgba(245, 244, 240, 0.4);
  background-color: rgba(245, 244, 240, 0.05);
}

.zaa-btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--zaa-amber);
  transition: all 0.3s ease;
}

.zaa-btn-text:hover {
  gap: 12px;
}

/* Header */
.zaa-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 88px;
  display: flex;
  align-items: center;
  transition: all 0.5s ease;
}

.zaa-header.scrolled {
  height: 72px;
  background-color: rgba(10, 13, 18, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.zaa-logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 147, 90, 0.4);
  background-color: rgba(200, 147, 90, 0.1);
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--zaa-amber);
}

.zaa-nav-link {
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--zaa-steel);
  transition: color 0.3s ease;
}

.zaa-nav-link:hover {
  color: var(--zaa-warm-white);
}

/* Hero */
.zaa-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--zaa-obsidian);
}

.zaa-hero-bg {
  position: absolute;
  inset: 0;
}

.zaa-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.zaa-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--zaa-obsidian), rgba(10, 13, 18, 0.9), rgba(10, 13, 18, 0.5));
}

.zaa-hero-overlay-top {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--zaa-obsidian), transparent, rgba(10, 13, 18, 0.6));
}

.zaa-hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: linear-gradient(rgba(200, 147, 90, 0.5) 1px, transparent 1px), linear-gradient(90deg, rgba(200, 147, 90, 0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Discipline Cards */
.zaa-card {
  background-color: var(--zaa-obsidian);
  border: 1px solid rgba(245, 244, 240, 0.06);
  overflow: hidden;
  transition: all 0.5s ease;
}

.zaa-card:hover {
  border-color: rgba(200, 147, 90, 0.2);
}

.zaa-card-image {
  position: relative;
  overflow: hidden;
}

.zaa-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.zaa-card:hover .zaa-card-image img {
  transform: scale(1.05);
}

.zaa-card-content {
  padding: 24px 32px 32px;
}

.zaa-card-number {
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(200, 147, 90, 0.8);
}

.zaa-card-title {
  font-family: var(--zaa-font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--zaa-warm-white);
  margin: 0 0 4px 0;
}

.zaa-card-subtitle {
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--zaa-steel);
  margin-bottom: 16px;
}

.zaa-accent-line {
  width: 32px;
  height: 2px;
  background-color: rgba(200, 147, 90, 0.4);
  margin-bottom: 16px;
  transition: all 0.5s ease;
}

.zaa-card:hover .zaa-accent-line {
  width: 48px;
  background-color: var(--zaa-amber);
}

/* Principles Grid */
.zaa-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(245, 244, 240, 0.06);
}

@media (max-width: 1024px) {
  .zaa-principles-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .zaa-principles-grid { grid-template-columns: 1fr; }
}

.zaa-principle-card {
  background-color: var(--zaa-obsidian);
  padding: 40px;
  transition: background-color 0.5s ease;
}

.zaa-principle-card:hover {
  background-color: var(--zaa-graphite);
}

/* Stats */
.zaa-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(245, 244, 240, 0.06);
}

@media (max-width: 768px) {
  .zaa-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.zaa-stat-item {
  background-color: var(--zaa-obsidian);
  padding: 32px;
  text-align: center;
}

.zaa-stat-value {
  font-family: var(--zaa-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--zaa-amber);
  margin-bottom: 8px;
}

.zaa-stat-label {
  font-family: var(--zaa-font-heading);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zaa-steel);
}

/* Contact Form */
.zaa-form {
  background-color: var(--zaa-obsidian);
  border: 1px solid rgba(245, 244, 240, 0.06);
  padding: 40px;
}

.zaa-form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .zaa-form-row { grid-template-columns: 1fr; }
}

.zaa-form-label {
  display: block;
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zaa-steel);
  margin-bottom: 8px;
}

.zaa-form-input, .zaa-form-select, .zaa-form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--zaa-graphite);
  border: 1px solid rgba(245, 244, 240, 0.1);
  color: var(--zaa-warm-white);
  font-family: var(--zaa-font-body);
  font-size: 14px;
}

.zaa-form-input:focus, .zaa-form-select:focus, .zaa-form-textarea:focus {
  outline: none;
  border-color: rgba(200, 147, 90, 0.4);
}

/* Footer */
.zaa-footer {
  background-color: var(--zaa-obsidian);
  border-top: 1px solid rgba(245, 244, 240, 0.06);
}


/* =========================
   ZAA v2 production refinements
   ========================= */
.zaa-header-inner{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.zaa-brand-text{display:flex;flex-direction:column;gap:3px;}
.zaa-brand-text strong{font-family:var(--zaa-font-heading);font-size:13px;letter-spacing:.15em;line-height:1;color:var(--zaa-warm-white);}
.zaa-brand-text span{font-family:var(--zaa-font-heading);font-size:9px;letter-spacing:.3em;color:var(--zaa-steel);}
.zaa-logo .custom-logo{max-height:48px;width:auto;display:block;}
.zaa-nav-menu,.zaa-mobile-nav{display:flex;align-items:center;gap:30px;list-style:none;padding:0;margin:0;}
/* Desktop dropdown navigation */
.zaa-desktop-nav{position:relative;z-index:1000;}
.zaa-nav-menu > li{position:relative;}
.zaa-nav-menu > li.menu-item-has-children > a::after{content:"\25BE";display:inline-block;margin-left:7px;font-size:8px;line-height:1;vertical-align:2px;color:var(--zaa-amber);transition:transform .2s ease;}
.zaa-nav-menu > li.menu-item-has-children:hover > a::after{transform:rotate(180deg);}
.zaa-nav-menu .sub-menu{position:absolute;top:calc(100% + 18px);left:0;min-width:245px;margin:0;padding:10px 0;background:rgba(12,16,22,.98);border:1px solid rgba(245,244,240,.10);box-shadow:0 22px 45px rgba(0,0,0,.38);list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;z-index:1001;}
.zaa-nav-menu > li:hover > .sub-menu,.zaa-nav-menu > li:focus-within > .sub-menu{opacity:1;visibility:visible;transform:translateY(0);}
.zaa-nav-menu .sub-menu::before{content:"";position:absolute;top:-7px;left:24px;width:12px;height:12px;background:rgba(12,16,22,.98);border-left:1px solid rgba(245,244,240,.10);border-top:1px solid rgba(245,244,240,.10);transform:rotate(45deg);}
.zaa-nav-menu .sub-menu li{display:block;width:100%;}
.zaa-nav-menu .sub-menu a{display:flex;align-items:center;justify-content:space-between;width:100%;box-sizing:border-box;padding:12px 18px;color:var(--zaa-steel-light);font-size:10px;letter-spacing:.10em;white-space:nowrap;}
.zaa-nav-menu .sub-menu a:hover,.zaa-nav-menu .sub-menu .current-menu-item>a{color:var(--zaa-warm-white);background:rgba(200,147,90,.08);}
.zaa-nav-menu .sub-menu .sub-menu{top:-11px;left:calc(100% + 2px);}
.zaa-nav-menu .sub-menu li.menu-item-has-children > a::after{content:"\25B8";color:var(--zaa-amber);margin-left:12px;}
.zaa-mobile-nav .sub-menu{list-style:none;margin:0;padding:0 0 5px 16px;border-left:1px solid rgba(200,147,90,.25);}
.zaa-mobile-nav .sub-menu a{font-size:10px;padding:11px 0;color:var(--zaa-steel-light);border-bottom:1px solid rgba(245,244,240,.04);}
.zaa-mobile-nav > li.menu-item-has-children > a::after{content:"\25BE";float:right;color:var(--zaa-amber);font-size:9px;}
.zaa-nav-menu li,.zaa-mobile-nav li{list-style:none;margin:0;padding:0;}
.zaa-nav-menu a{font-family:var(--zaa-font-heading);font-size:11px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--zaa-steel);transition:color .25s ease;}
.zaa-nav-menu a:hover,.zaa-nav-menu .current-menu-item>a{color:var(--zaa-warm-white);}
.zaa-menu-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid rgba(245,244,240,.12);padding:10px;cursor:pointer;}
.zaa-menu-toggle span{display:block;height:1px;background:var(--zaa-warm-white);margin:5px 0;transition:transform .2s ease,opacity .2s ease;}
.zaa-mobile-menu{display:none;background:rgba(10,13,18,.98);border-top:1px solid rgba(245,244,240,.08);box-shadow:0 20px 40px rgba(0,0,0,.35);}
.zaa-mobile-menu.is-open{display:block;}
.zaa-mobile-nav{display:flex;flex-direction:column;align-items:stretch;gap:0;padding:14px 0 8px;}
.zaa-mobile-nav li a{display:block;padding:15px 0;font-family:var(--zaa-font-heading);font-size:12px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--zaa-steel);border-bottom:1px solid rgba(245,244,240,.05);}
.zaa-mobile-nav li:last-child a{border-bottom:0;}
.zaa-mobile-cta{width:100%;margin:10px 0 24px;}
.zaa-honeypot{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;}
.zaa-form-message{padding:16px;margin-top:16px;border:1px solid;font-size:13px;line-height:1.5;}
.zaa-form-message.success{color:var(--zaa-amber);border-color:rgba(200,147,90,.35);background:rgba(200,147,90,.08);}
.zaa-form-message.error{color:#ff8c8c;border-color:rgba(255,107,107,.3);background:rgba(255,107,107,.06);}
.zaa-empty-state{grid-column:1/-1;padding:48px;border:1px solid rgba(245,244,240,.08);background:var(--zaa-obsidian);}
.zaa-single-project{padding:140px 0 100px;background:var(--zaa-obsidian);min-height:70vh;}
.zaa-single-title{max-width:1000px;margin-bottom:36px;}
.zaa-project-featured{border:1px solid rgba(245,244,240,.08);margin-bottom:48px;overflow:hidden;}
.zaa-project-featured img{display:block;width:100%;height:auto;}
.zaa-project-layout{align-items:start;}
.zaa-project-details{padding:32px;background:var(--zaa-graphite);border:1px solid rgba(245,244,240,.07);}
.zaa-project-details h3{margin:0 0 20px;font-family:var(--zaa-font-heading);font-size:14px;letter-spacing:.15em;color:var(--zaa-amber);}
.zaa-project-detail{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid rgba(245,244,240,.06);font-size:13px;line-height:1.5;}
.zaa-project-detail strong{color:var(--zaa-steel);font-family:var(--zaa-font-heading);font-size:10px;letter-spacing:.1em;text-transform:uppercase;}
.zaa-project-detail span{color:var(--zaa-steel-light);}
.zaa-project-inquire{width:100%;margin-top:24px;text-align:center;}
.zaa-footer-cta{padding:80px 0;border-bottom:1px solid rgba(245,244,240,.06);}
.zaa-footer-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;}
.zaa-footer-cta .zaa-heading{font-size:clamp(1.5rem,4vw,2.5rem);margin-bottom:12px;}
.zaa-accent-text{color:var(--zaa-amber);}
.zaa-footer-main{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:48px;padding-top:64px;padding-bottom:64px;}
.zaa-brand-lockup{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.zaa-footer-title{font-family:var(--zaa-font-heading);font-size:10px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:rgba(200,147,90,.7);margin:0 0 20px;}
.zaa-footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--zaa-steel);}
.zaa-footer-links a:hover{color:var(--zaa-warm-white);}
.zaa-footer-bottom{padding:24px 0;border-top:1px solid rgba(245,244,240,.04);}
.zaa-footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:11px;color:rgba(139,148,158,.5);}
.zaa-back-to-top{background:none;border:0;font-family:var(--zaa-font-heading);font-size:10px;font-weight:600;letter-spacing:.15em;color:rgba(139,148,158,.5);cursor:pointer;}
.zaa-back-to-top:hover{color:var(--zaa-warm-white);}
body.zaa-menu-open{overflow:hidden;}
@media(max-width:1100px){.zaa-desktop-nav{display:none}.zaa-header-cta{display:none}.zaa-menu-toggle{display:block}.zaa-mobile-menu{position:absolute;left:0;right:0;top:88px}.zaa-footer-main{grid-template-columns:1fr 1fr;}}
@media(max-width:768px){.zaa-header{height:76px}.zaa-header.scrolled{height:68px}.zaa-header-inner{min-height:76px}.zaa-mobile-menu{top:76px}.zaa-container{padding-left:20px;padding-right:20px}.zaa-footer-main{grid-template-columns:1fr;gap:36px}.zaa-footer-cta{padding:60px 0}.zaa-form{padding:24px}.zaa-project-detail{grid-template-columns:1fr}.zaa-single-project{padding-top:120px}.zaa-hero-content{padding-left:20px;padding-right:20px}}
@media(max-width:480px){.zaa-brand-text span{font-size:7px}.zaa-brand-text strong{font-size:10px}.zaa-logo-mark{width:36px;height:36px}.zaa-stat-item{padding:24px 12px}.zaa-stat-value{font-size:2rem}}

/* =========================
   ZAA v3.1 rich multi-page system
   ========================= */
.zaa-heading-xl{font-size:clamp(3rem,6vw,6.2rem);line-height:.94;letter-spacing:-.045em;margin:0 0 24px;}
.zaa-body-lg{font-size:17px;line-height:1.9;}
.zaa-accent-text{color:var(--zaa-amber);}
.zaa-page-shell{padding-top:54px;padding-bottom:110px;}
.zaa-page-hero{min-height:560px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.75fr);gap:70px;align-items:center;padding:42px 0 90px;position:relative;}
.zaa-page-hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,rgba(200,147,90,.45),transparent);}
.zaa-page-hero-panel{min-height:430px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;border:1px solid rgba(245,244,240,.08);background:linear-gradient(145deg,#111821,#080b10);}
.zaa-placeholder-image{min-height:430px;width:100%;display:flex;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 30% 25%,rgba(200,147,90,.15),transparent 35%),linear-gradient(135deg,#111820,#080b10);position:relative;overflow:hidden;}
.zaa-placeholder-image:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(245,244,240,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(245,244,240,.035) 1px,transparent 1px);background-size:34px 34px;transform:perspective(600px) rotateX(58deg) scale(1.5);transform-origin:center bottom;opacity:.55;}
.zaa-placeholder-image span{position:relative;z-index:2;font-family:var(--zaa-font-heading);font-size:11px;font-weight:700;letter-spacing:.22em;color:rgba(245,244,240,.55);line-height:1.8;}
.zaa-placeholder-image small{color:var(--zaa-amber);font-size:8px;letter-spacing:.18em;}
.zaa-placeholder-image.portrait{min-height:330px;aspect-ratio:3/4;}
.zaa-page-hero .zaa-lead{max-width:720px;}
.zaa-page-hero .zaa-hero-buttons{margin-top:30px;}
.zaa-section-block{padding:86px 0;}
.zaa-section-block + .zaa-section-block{border-top:1px solid rgba(245,244,240,.06);}
.zaa-highlight-panel{padding:38px;background:linear-gradient(145deg,rgba(200,147,90,.07),rgba(255,255,255,.015));border:1px solid rgba(200,147,90,.14);}
.zaa-highlight-panel h3{font-family:var(--zaa-font-heading);font-size:12px;letter-spacing:.18em;color:var(--zaa-warm-white);margin:0 0 15px;}
.zaa-highlight-panel p{margin:0 0 24px;}
.zaa-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(245,244,240,.06);}
.zaa-grid-4>*{min-width:0;}
.zaa-value-grid .zaa-principle-card{min-height:210px;}
.zaa-leadership-grid{display:grid;grid-template-columns:320px 1fr;gap:65px;align-items:center;}
.zaa-leader-placeholder h3{font-family:var(--zaa-font-heading);font-size:13px;letter-spacing:.13em;margin:18px 0 6px;color:var(--zaa-warm-white);}
.zaa-placeholder-note{font-size:10px!important;letter-spacing:.09em;text-transform:uppercase;color:rgba(200,147,90,.8)!important;line-height:1.6!important;}
.zaa-engineering-diagram{width:100%;height:430px;position:relative;background:radial-gradient(circle,rgba(200,147,90,.12),transparent 34%);}
.zaa-engineering-diagram:before,.zaa-engineering-diagram:after{content:"";position:absolute;inset:18%;border:1px solid rgba(200,147,90,.18);border-radius:50%;animation:zaaSpin 22s linear infinite;}
.zaa-engineering-diagram:after{inset:28%;border-style:dashed;animation-direction:reverse;animation-duration:16s;}
.zaa-engineering-diagram i{position:absolute;width:80px;height:80px;border:1px solid rgba(200,147,90,.55);left:50%;top:50%;transform:translate(-50%,-50%) rotate(45deg);box-shadow:0 0 50px rgba(200,147,90,.12);}
.zaa-engineering-diagram .node{position:absolute;font-family:var(--zaa-font-heading);font-size:9px;letter-spacing:.16em;color:var(--zaa-warm-white);padding:12px 15px;border:1px solid rgba(245,244,240,.1);background:#0b1016;z-index:2;animation:zaaFloat 4s ease-in-out infinite;}
.zaa-engineering-diagram .n1{left:6%;top:22%;}.zaa-engineering-diagram .n2{right:5%;top:20%;animation-delay:.7s}.zaa-engineering-diagram .n3{left:8%;bottom:20%;animation-delay:1.2s}.zaa-engineering-diagram .n4{right:5%;bottom:18%;animation-delay:1.8s}
.zaa-lifecycle{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(245,244,240,.07);}
.zaa-lifecycle-wide{grid-template-columns:repeat(6,1fr);}
.zaa-lifecycle>div{background:var(--zaa-obsidian);padding:28px;min-height:190px;transition:transform .4s ease,background .4s ease;}
.zaa-lifecycle>div:hover{transform:translateY(-7px);background:var(--zaa-graphite);}
.zaa-lifecycle span{display:block;font-family:var(--zaa-font-heading);font-size:10px;color:var(--zaa-amber);letter-spacing:.2em;margin-bottom:24px;}
.zaa-lifecycle strong{font-family:var(--zaa-font-heading);font-size:14px;letter-spacing:.12em;color:var(--zaa-warm-white);}
.zaa-lifecycle p{font-size:13px;line-height:1.7;color:var(--zaa-steel);margin-top:12px;}
.zaa-sector-card{background:var(--zaa-obsidian);padding:34px;min-height:210px;border:1px solid rgba(245,244,240,.06);position:relative;overflow:hidden;transition:transform .45s ease,border-color .45s ease,background .45s ease;}
.zaa-sector-card:after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--zaa-amber);transition:width .45s ease;}
.zaa-sector-card:hover{transform:translateY(-8px);background:var(--zaa-graphite);border-color:rgba(200,147,90,.2);}.zaa-sector-card:hover:after{width:100%;}
.zaa-sector-card>span{font-family:var(--zaa-font-heading);font-size:10px;color:var(--zaa-amber);letter-spacing:.2em;}.zaa-sector-card h2{font-family:var(--zaa-font-heading);font-size:16px;letter-spacing:.08em;color:var(--zaa-warm-white);margin:28px 0 10px;}.zaa-sector-card p{font-size:13px;line-height:1.8;color:var(--zaa-steel);}
.zaa-check-list{list-style:none;padding:0;margin:20px 0 0;}.zaa-check-list li{position:relative;padding:10px 0 10px 23px;border-bottom:1px solid rgba(245,244,240,.05);color:var(--zaa-steel-light);font-size:13px;line-height:1.6;}.zaa-check-list li:before{content:"✓";position:absolute;left:0;color:var(--zaa-amber);font-weight:700;}
.zaa-cta-panel{margin-top:45px;padding:52px 55px;display:flex;align-items:center;justify-content:space-between;gap:30px;background:linear-gradient(110deg,rgba(200,147,90,.08),rgba(255,255,255,.015));border:1px solid rgba(200,147,90,.16);position:relative;overflow:hidden;}.zaa-cta-panel:before{content:"";position:absolute;right:-120px;top:-120px;width:300px;height:300px;border:1px solid rgba(200,147,90,.13);border-radius:50%;box-shadow:0 0 0 40px rgba(200,147,90,.025),0 0 0 80px rgba(200,147,90,.015);}.zaa-cta-panel>*{position:relative;z-index:2;}.zaa-cta-panel .zaa-heading{margin-bottom:10px;}
.zaa-resource-card{min-height:280px;}.zaa-resource-card:hover{transform:translateY(-8px);}
.zaa-reveal{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1);}.zaa-reveal.is-visible{opacity:1;transform:none;}.zaa-reveal:nth-child(2){transition-delay:.08s}.zaa-reveal:nth-child(3){transition-delay:.16s}.zaa-reveal:nth-child(4){transition-delay:.24s}
@keyframes zaaSpin{to{transform:rotate(360deg)}}
@keyframes zaaFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media(max-width:1024px){.zaa-page-hero{grid-template-columns:1fr;gap:40px;}.zaa-page-hero-panel{min-height:330px;}.zaa-placeholder-image{min-height:330px}.zaa-grid-4{grid-template-columns:repeat(2,1fr)}.zaa-lifecycle-wide{grid-template-columns:repeat(3,1fr)}.zaa-leadership-grid{grid-template-columns:260px 1fr;gap:35px}}
@media(max-width:768px){.zaa-page-shell{padding-top:25px;padding-bottom:70px}.zaa-page-hero{padding:25px 0 65px;min-height:auto}.zaa-heading-xl{font-size:clamp(2.7rem,12vw,4.4rem)}.zaa-page-hero-panel{min-height:270px}.zaa-placeholder-image{min-height:270px}.zaa-grid-4,.zaa-lifecycle,.zaa-lifecycle-wide{grid-template-columns:1fr 1fr}.zaa-leadership-grid{grid-template-columns:1fr}.zaa-cta-panel{padding:36px 28px;align-items:flex-start;flex-direction:column}.zaa-engineering-diagram{height:320px}}
@media(max-width:520px){.zaa-grid-4,.zaa-lifecycle,.zaa-lifecycle-wide{grid-template-columns:1fr}.zaa-page-hero-panel{min-height:230px}.zaa-placeholder-image{min-height:230px}.zaa-section-block{padding:65px 0}.zaa-cta-panel{padding:30px 22px}.zaa-page-hero .zaa-hero-buttons{display:flex;flex-direction:column;align-items:stretch}.zaa-page-hero .zaa-hero-buttons a{text-align:center}}
@media(prefers-reduced-motion:reduce){.zaa-reveal{opacity:1;transform:none;transition:none}.zaa-engineering-diagram:before,.zaa-engineering-diagram:after,.zaa-engineering-diagram .node{animation:none}.zaa-lifecycle>div,.zaa-sector-card{transition:none}}

/* ---- Supplied ZAA custom CSS integration ---- */
/**
 * ZAA Integral Engineering - Complete WordPress/Elementor Styles
 * Paste this into: Appearance → Customize → Additional CSS
 */

/* ============================================
   CSS VARIABLES (Brand Colors & Fonts)
   ============================================ */
:root {
  --zaa-obsidian: #0A0D12;
  --zaa-graphite: #151A21;
  --zaa-graphite-light: #1C2230;
  --zaa-warm-white: #F5F4F0;
  --zaa-steel: #8B949E;
  --zaa-steel-light: #A8B2BC;
  --zaa-near-black: #111318;
  --zaa-amber: #C8935A;
  --zaa-amber-light: #D4A76A;
  --zaa-amber-dark: #A67744;
  --zaa-font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
  --zaa-font-body: 'Inter', system-ui, sans-serif;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
body {
  font-family: var(--zaa-font-body);
  background-color: var(--zaa-obsidian);
  color: var(--zaa-warm-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

::selection {
  background-color: rgba(200, 147, 90, 0.3);
  color: var(--zaa-warm-white);
}

::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--zaa-obsidian);
}
::-webkit-scrollbar-thumb {
  background: var(--zaa-graphite-light);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--zaa-steel);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
.zaa-heading {
  font-family: var(--zaa-font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--zaa-warm-white);
}

.zaa-heading-xl {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
}

.zaa-heading-lg {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.zaa-heading-md {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.zaa-body {
  font-family: var(--zaa-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--zaa-steel-light);
}

/* ============================================
   COLORS
   ============================================ */
.zaa-bg-obsidian { background-color: var(--zaa-obsidian); }
.zaa-bg-graphite { background-color: var(--zaa-graphite); }
.zaa-text-white { color: var(--zaa-warm-white); }
.zaa-text-steel { color: var(--zaa-steel); }
.zaa-text-steel-light { color: var(--zaa-steel-light); }
.zaa-text-amber { color: var(--zaa-amber); }

/* ============================================
   SECTION LABEL (Line + Text)
   ============================================ */
.zaa-section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}

.zaa-section-label::before {
  content: '';
  width: 32px;
  height: 1px;
  background-color: rgba(200, 147, 90, 0.6);
}

.zaa-section-label span {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(200, 147, 90, 0.8);
}

.zaa-section-label-center {
  justify-content: center;
}

.zaa-section-label-center::after {
  content: '';
  width: 32px;
  height: 1px;
  background-color: rgba(200, 147, 90, 0.6);
}

/* ============================================
   BUTTONS
   ============================================ */
.zaa-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background-color: var(--zaa-amber);
  color: var(--zaa-obsidian);
  font-family: var(--zaa-font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.zaa-btn-primary:hover {
  background-color: var(--zaa-amber-light);
}

.zaa-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 32px;
  background-color: transparent;
  color: var(--zaa-warm-white);
  font-family: var(--zaa-font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(245, 244, 240, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}

.zaa-btn-secondary:hover {
  border-color: rgba(245, 244, 240, 0.4);
  background-color: rgba(245, 244, 240, 0.05);
}

.zaa-btn-text {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--zaa-amber);
  text-decoration: none;
  transition: all 0.3s ease;
}

.zaa-btn-text:hover {
  gap: 12px;
}

/* ============================================
   CARDS
   ============================================ */
.zaa-card {
  background-color: var(--zaa-obsidian);
  border: 1px solid rgba(245, 244, 240, 0.06);
  overflow: hidden;
  transition: all 0.5s ease;
}

.zaa-card:hover {
  border-color: rgba(200, 147, 90, 0.2);
}

.zaa-card-image {
  position: relative;
  overflow: hidden;
}

.zaa-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.zaa-card:hover .zaa-card-image img {
  transform: scale(1.05);
}

.zaa-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--zaa-obsidian), rgba(10, 13, 18, 0.4), transparent);
}

.zaa-card-content {
  padding: 24px 32px 32px;
}

.zaa-card-number {
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: rgba(200, 147, 90, 0.8);
}

.zaa-card-title {
  font-family: var(--zaa-font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--zaa-warm-white);
  margin: 0 0 4px 0;
}

.zaa-card-subtitle {
  font-family: var(--zaa-font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--zaa-steel);
  margin-bottom: 16px;
}

.zaa-accent-line {
  width: 32px;
  height: 2px;
  background-color: rgba(200, 147, 90, 0.4);
  margin-bottom: 16px;
  transition: all 0.5s ease;
}

.zaa-card:hover .zaa-accent-line {
  width: 48px;
  background-color: var(--zaa-amber);
}

.zaa-discipline-icon {
  position: absolute;
  top: 16px;
  right: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 244, 240, 0.2);
  background-color: rgba(10, 13, 18, 0.4);
  backdrop-filter: blur(8px);
  z-index: 5;
  color: rgba(200, 147, 90, 0.8);
}

.zaa-capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}

.zaa-capability-tag {
  padding: 4px 8px;
  background-color: rgba(245, 244, 240, 0.03);
  border: 1px solid rgba(245, 244, 240, 0.06);
  font-family: var(--zaa-font-heading);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--zaa-steel);
}

/* ============================================
   HERO SECTION
   ============================================ */
.zaa-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.zaa-hero-bg {
  position: absolute;
  inset: 0;
}

.zaa-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--zaa-obsidian), rgba(10, 13, 18, 0.9), rgba(10, 13, 18, 0.5));
}

.zaa-hero-overlay-top {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--zaa-obsidian), transparent, rgba(10, 13, 18, 0.6));
}

.zaa-hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: 
    linear-gradient(rgba(200, 147, 90, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 147, 90, 0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

.zaa-hero-content {
  position: relative;
  z-index: 10;
  max-width: 1440px;
  margin: 0 auto;
  padding: 112px 48px 64px;
  width: 100%;
}

.zaa-hero-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 176px);
}

@media (max-width: 1024px) {
  .zaa-hero-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

.zaa-hero-title {
  font-family: var(--zaa-font-heading);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: var(--zaa-warm-white);
  margin: 0 0 32px 0;
}

.zaa-hero-title span {
  display: block;
}

.zaa-hero-title span.accent {
  color: var(--zaa-amber);
}

.zaa-hero-text {
  font-size: 1.125rem;
  color: var(--zaa-steel-light);
  line-height: 1.7;
  max-width: 520px;
  margin: 0 0 40px 0;
}

.zaa-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 640px) {
  .zaa-hero-buttons {
    flex-direction: column;
  }
  .zaa-hero-buttons a {
    width: 100%;
    text-align: center;
  }
}

/* Discipline selector */
.zaa-discipline-selector {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

@media (max-width: 1024px) {
  .zaa-discipline-selector {
    flex-direction: row;
    gap: 16px;
  }
}

@media (max-width: 640px) {
  .zaa-discipline-selector {
    flex-direction: column;
  }
}

.zaa-discipline-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border: 1px solid rgba(245, 244, 240, 0.1);
  background-color: rgba(245, 244, 240, 0.02);
  cursor: pointer;
  transition: all 0.5s ease;
}

.zaa-discipline-item.active {
  border-color: rgba(200, 147, 90, 0.4);
  background-color: rgba(200, 147, 90, 0.05);
}

.zaa-discipline-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: transparent;
  transition: background-color 0.5s ease;
}

.zaa-discipline-item.active::before {
  background-color: var(--zaa-amber);
}

.zaa-discipline-item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 244, 240, 0.1);
  background: rgba(245, 244, 240, 0.05);
  font-size: 18px;
}

.zaa-discipline-item.active .zaa-discipline-item-icon {
  border-color: rgba(200, 147, 90, 0.3);
  background: rgba(200, 147, 90, 0.1);
}

.zaa-discipline-item-number {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--zaa-steel);
  margin-bottom: 4px;
}

.zaa-discipline-item.active .zaa-discipline-item-number {
  color: var(--zaa-amber);
}

.zaa-discipline-item-title {
  font-family: var(--zaa-font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--zaa-steel-light);
}

.zaa-discipline-item.active .zaa-discipline-item-title {
  color: var(--zaa-warm-white);
}

.zaa-discipline-item-subtitle {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--zaa-steel);
}

/* ============================================
   PRINCIPLES GRID
   ============================================ */
.zaa-principles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(245, 244, 240, 0.06);
}

@media (max-width: 1024px) {
  .zaa-principles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .zaa-principles-grid {
    grid-template-columns: 1fr;
  }
}

.zaa-principle-card {
  background-color: var(--zaa-obsidian);
  padding: 40px;
  transition: background-color 0.5s ease;
}

.zaa-principle-card:hover {
  background-color: var(--zaa-graphite);
}

.zaa-principle-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 244, 240, 0.1);
  background-color: rgba(245, 244, 240, 0.02);
  margin-bottom: 24px;
  font-size: 20px;
  transition: all 0.5s ease;
}

.zaa-principle-card:hover .zaa-principle-icon {
  border-color: rgba(200, 147, 90, 0.3);
  background-color: rgba(200, 147, 90, 0.05);
}

/* ============================================
   INTEGRATION FORMULA
   ============================================ */
.zaa-integration-formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.zaa-formula-item {
  padding: 8px 16px;
  border: 1px solid rgba(245, 244, 240, 0.1);
  background-color: rgba(245, 244, 240, 0.03);
  font-family: var(--zaa-font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--zaa-warm-white);
}

.zaa-formula-operator {
  font-family: var(--zaa-font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--zaa-amber);
}

.zaa-formula-result {
  padding: 8px 16px;
  border: 1px solid rgba(200, 147, 90, 0.3);
  background-color: rgba(200, 147, 90, 0.1);
  font-family: var(--zaa-font-heading);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--zaa-amber);
}

.zaa-integration-node {
  position: relative;
  width: 112px;
  height: 112px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(200, 147, 90, 0.3);
  background-color: rgba(200, 147, 90, 0.05);
}

.zaa-integration-node::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(200, 147, 90, 0.15);
}

/* ============================================
   STATISTICS
   ============================================ */
.zaa-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(245, 244, 240, 0.06);
}

@media (max-width: 768px) {
  .zaa-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.zaa-stat-item {
  background-color: var(--zaa-obsidian);
  padding: 32px;
  text-align: center;
}

.zaa-stat-value {
  font-family: var(--zaa-font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--zaa-amber);
  margin-bottom: 8px;
}

.zaa-stat-suffix {
  color: rgba(200, 147, 90, 0.6);
}

.zaa-stat-label {
  font-family: var(--zaa-font-heading);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zaa-steel);
}

/* ============================================
   SECTORS GRID
   ============================================ */
.zaa-sectors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background-color: rgba(245, 244, 240, 0.06);
}

@media (max-width: 1024px) {
  .zaa-sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .zaa-sectors-grid {
    grid-template-columns: 1fr;
  }
}

.zaa-sector-card {
  background-color: var(--zaa-obsidian);
  padding: 40px;
  transition: background-color 0.5s ease;
}

.zaa-sector-card:hover {
  background-color: var(--zaa-graphite-light);
}

/* ============================================
   PROJECT FILTERS
   ============================================ */
.zaa-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.zaa-filter-btn {
  padding: 8px 16px;
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid rgba(245, 244, 240, 0.1);
  background-color: transparent;
  color: var(--zaa-steel);
  cursor: pointer;
  transition: all 0.3s ease;
}

.zaa-filter-btn:hover {
  border-color: rgba(245, 244, 240, 0.2);
  color: var(--zaa-warm-white);
}

.zaa-filter-btn.active {
  border-color: rgba(200, 147, 90, 0.4);
  background-color: rgba(200, 147, 90, 0.1);
  color: var(--zaa-amber);
}

.zaa-project-discipline-tag {
  display: inline-flex;
  padding: 4px 12px;
  background-color: rgba(200, 147, 90, 0.05);
  border: 1px solid rgba(200, 147, 90, 0.2);
  font-family: var(--zaa-font-heading);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--zaa-amber);
  margin-bottom: 20px;
}

/* ============================================
   CONTACT FORM
   ============================================ */
.zaa-form {
  background-color: var(--zaa-obsidian);
  border: 1px solid rgba(245, 244, 240, 0.06);
  padding: 40px;
}

.zaa-form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .zaa-form-row {
    grid-template-columns: 1fr;
  }
}

.zaa-form-group {
  margin-bottom: 20px;
}

.zaa-form-label {
  display: block;
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--zaa-steel);
  margin-bottom: 8px;
}

.zaa-form-input,
.zaa-form-select,
.zaa-form-textarea {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--zaa-graphite);
  border: 1px solid rgba(245, 244, 240, 0.1);
  color: var(--zaa-warm-white);
  font-family: var(--zaa-font-body);
  font-size: 14px;
  transition: border-color 0.3s ease;
}

.zaa-form-input::placeholder,
.zaa-form-textarea::placeholder {
  color: rgba(139, 148, 158, 0.5);
}

.zaa-form-input:focus,
.zaa-form-select:focus,
.zaa-form-textarea:focus {
  outline: none;
  border-color: rgba(200, 147, 90, 0.4);
}

.zaa-form-textarea {
  resize: none;
  min-height: 120px;
}

.zaa-form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238B949E' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* WPForms styling */
.wpforms-container .wpforms-field-label {
  font-family: var(--zaa-font-heading) !important;
  font-size: 10px !important;
  font-weight: 600 !important;
  letter-spacing: 0.2em !important;
  text-transform: uppercase !important;
  color: var(--zaa-steel) !important;
}

.wpforms-container input[type="text"],
.wpforms-container input[type="email"],
.wpforms-container input[type="tel"],
.wpforms-container select,
.wpforms-container textarea {
  background-color: var(--zaa-graphite) !important;
  border: 1px solid rgba(245, 244, 240, 0.1) !important;
  color: var(--zaa-warm-white) !important;
  padding: 12px 16px !important;
}

.wpforms-container input:focus,
.wpforms-container select:focus,
.wpforms-container textarea:focus {
  border-color: rgba(200, 147, 90, 0.4) !important;
  outline: none !important;
}

.wpforms-container .wpforms-submit {
  background-color: var(--zaa-amber) !important;
  color: var(--zaa-obsidian) !important;
  font-family: var(--zaa-font-heading) !important;
  font-size: 12px !important;
  font-weight: 700 !important;
  letter-spacing: 0.15em !important;
  text-transform: uppercase !important;
  padding: 16px 32px !important;
  border: none !important;
}

.wpforms-container .wpforms-submit:hover {
  background-color: var(--zaa-amber-light) !important;
}

/* ============================================
   FOOTER
   ============================================ */
.zaa-footer {
  background-color: var(--zaa-obsidian);
  border-top: 1px solid rgba(245, 244, 240, 0.06);
}

.zaa-footer-cta {
  padding: 80px 0;
  border-bottom: 1px solid rgba(245, 244, 240, 0.06);
}

.zaa-footer-main {
  padding: 64px 0;
}

.zaa-footer-heading {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(200, 147, 90, 0.7);
  margin-bottom: 20px;
}

.zaa-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.zaa-footer-links li {
  margin-bottom: 12px;
}

.zaa-footer-links a {
  font-size: 14px;
  color: var(--zaa-steel);
  text-decoration: none;
  transition: color 0.3s ease;
}

.zaa-footer-links a:hover {
  color: var(--zaa-warm-white);
}

.zaa-footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(245, 244, 240, 0.04);
}

.zaa-copyright {
  font-size: 11px;
  color: rgba(139, 148, 158, 0.5);
}

.zaa-back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(139, 148, 158, 0.5);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.3s ease;
}

.zaa-back-to-top:hover {
  color: var(--zaa-amber);
}

/* ============================================
   HEADER (For Astra Theme)
   ============================================ */
.zaa-logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(200, 147, 90, 0.4);
  background-color: rgba(200, 147, 90, 0.1);
}

.zaa-logo-text {
  font-family: var(--zaa-font-heading);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--zaa-amber);
}

/* Astra nav override */
  background: transparent !important;
}

  font-family: var(--zaa-font-heading) !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  letter-spacing: 0.15em !important;
  text-transform: uppercase !important;
  color: var(--zaa-steel) !important;
}

  color: var(--zaa-warm-white) !important;
}

/* ============================================
   UTILITIES
   ============================================ */
.zaa-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 48px;
}

@media (max-width: 768px) {
  .zaa-container {
    padding: 0 24px;
  }
}

.zaa-section {
  padding: 96px 0 128px;
}

.zaa-section-header {
  margin-bottom: 80px;
}

.zaa-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 1024px) {
  .zaa-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .zaa-grid-3 {
    grid-template-columns: 1fr;
  }
}

.zaa-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

@media (max-width: 1024px) {
  .zaa-grid-2 {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.zaa-animate-in {
  animation: fadeInUp 0.7s ease forwards;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================
   ZAA INTEGRAL ENGINEERING v3.1.0 — PREMIUM CSS SKIN
   CSS-ONLY enhancement layer.
   Theme structure, PHP and JavaScript intentionally unchanged.
   ============================================================ */

:root{
  --zaa-obsidian:#0A0D12;
  --zaa-graphite:#151A21;
  --zaa-graphite-light:#1C2230;
  --zaa-warm-white:#F5F4F0;
  --zaa-steel:#8B949E;
  --zaa-steel-light:#A8B2BC;
  --zaa-near-black:#111318;
  --zaa-amber:#C8935A;
  --zaa-amber-light:#D4A76A;
  --zaa-amber-dark:#A67744;
  --zaa-border:rgba(245,244,240,.09);
  --zaa-border-strong:rgba(200,147,90,.24);
  --zaa-glow:rgba(200,147,90,.16);
  --zaa-ease:cubic-bezier(.22,1,.36,1);
}

/* Global */
html{scroll-behavior:smooth;background:var(--zaa-obsidian)}
body{
  overflow-x:hidden;
  background:
    radial-gradient(circle at 86% 8%,rgba(200,147,90,.045),transparent 26rem),
    var(--zaa-obsidian);
}
::selection{background:rgba(200,147,90,.28);color:var(--zaa-warm-white)}
:focus-visible{outline:2px solid var(--zaa-amber);outline-offset:4px}

/* Header */
.zaa-header{
  background:rgba(10,13,18,.78);
  backdrop-filter:blur(15px) saturate(125%);
  -webkit-backdrop-filter:blur(15px) saturate(125%);
  border-bottom:1px solid rgba(245,244,240,.07);
  transition:background-color .4s ease,border-color .4s ease,box-shadow .4s ease;
}
.zaa-header.scrolled{
  background:rgba(10,13,18,.95);
  border-bottom-color:rgba(200,147,90,.16);
  box-shadow:0 12px 40px rgba(0,0,0,.28);
}

/* Navigation */
.zaa-nav-menu>li>a{
  position:relative;
  text-decoration:none;
}
.zaa-nav-menu>li>a::before{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:18px;
  height:1px;
  background:linear-gradient(90deg,var(--zaa-amber),var(--zaa-amber-light));
  transition:right .38s var(--zaa-ease);
}
.zaa-nav-menu>li:hover>a::before,
.zaa-nav-menu>li.current-menu-item>a::before,
.zaa-nav-menu>li.current-menu-ancestor>a::before{right:0}

.zaa-nav-menu .sub-menu{
  min-width:270px;
  padding:8px;
  background:rgba(14,18,24,.98);
  border:1px solid rgba(200,147,90,.18);
  border-radius:2px;
  box-shadow:0 24px 70px rgba(0,0,0,.34);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
}
.zaa-nav-menu .sub-menu li a{
  position:relative;
  padding:12px 15px;
  color:var(--zaa-steel-light);
  border-radius:1px;
  transition:background-color .25s ease,color .25s ease,padding-left .3s var(--zaa-ease);
}
.zaa-nav-menu .sub-menu li a::before{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  bottom:7px;
  width:2px;
  background:var(--zaa-amber);
  transform:scaleY(0);
  transition:transform .28s var(--zaa-ease);
}
.zaa-nav-menu .sub-menu li a:hover,
.zaa-nav-menu .sub-menu li.current-menu-item>a{
  color:var(--zaa-warm-white);
  background:rgba(200,147,90,.07);
  padding-left:19px;
}
.zaa-nav-menu .sub-menu li a:hover::before,
.zaa-nav-menu .sub-menu li.current-menu-item>a::before{transform:scaleY(1)}

/* CTA */
.zaa-header-cta,.zaa-btn-primary{
  position:relative;
  overflow:hidden;
}
.zaa-header-cta::after,.zaa-btn-primary::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(110deg,transparent 25%,rgba(255,255,255,.18) 48%,transparent 72%);
  transform:translateX(-130%);
  transition:transform .75s var(--zaa-ease);
}
.zaa-header-cta:hover::after,.zaa-btn-primary:hover::after{transform:translateX(130%)}

.zaa-btn-primary,.zaa-btn-secondary,.zaa-btn-text{
  transition:transform .35s var(--zaa-ease),color .25s ease,
             background-color .3s ease,border-color .3s ease,box-shadow .35s ease;
}
.zaa-btn-primary:hover,.zaa-btn-secondary:hover{transform:translateY(-3px)}
.zaa-btn-primary:hover{box-shadow:0 16px 34px rgba(0,0,0,.26)}
.zaa-btn-text:hover{transform:translateX(4px);color:var(--zaa-amber-light)}

/* Hero */
.zaa-hero{isolation:isolate}
.zaa-hero-bg img{
  filter:saturate(.86) contrast(1.05);
  transform:scale(1.025);
  transition:transform 8s var(--zaa-ease),filter .7s ease;
}
.zaa-hero:hover .zaa-hero-bg img{transform:scale(1.055)}
.zaa-hero-grid{opacity:.38}
.zaa-hero-title span{
  animation:zaa-hero-in .85s var(--zaa-ease) both;
}
.zaa-hero-title span:nth-child(2){animation-delay:.09s}
.zaa-hero-title span:nth-child(3){animation-delay:.18s}
.zaa-hero-text{animation:zaa-hero-in .85s .28s var(--zaa-ease) both}
.zaa-hero-buttons{animation:zaa-hero-in .85s .38s var(--zaa-ease) both}
@keyframes zaa-hero-in{
  from{opacity:0;transform:translate3d(0,22px,0)}
  to{opacity:1;transform:translate3d(0,0,0)}
}

/* Cards */
.zaa-card,.zaa-sector-card,.zaa-principle-card,.zaa-resource-card{
  transition:transform .5s var(--zaa-ease),border-color .35s ease,
             background-color .35s ease,box-shadow .5s var(--zaa-ease);
}
.zaa-card:hover,.zaa-sector-card:hover,.zaa-principle-card:hover{
  box-shadow:0 22px 55px rgba(0,0,0,.22);
}
.zaa-card-image{overflow:hidden}
.zaa-card-image img{
  transition:transform .9s var(--zaa-ease),filter .6s ease;
}
.zaa-card:hover .zaa-card-image img{
  transform:scale(1.055);
  filter:saturate(1.02) contrast(1.03);
}
.zaa-accent-line{transition:width .55s var(--zaa-ease)}

/* Section accents */
.zaa-section-block{position:relative}
.zaa-section-block::before{
  content:"";
  position:absolute;
  top:0;
  left:max(20px,calc((100vw - 1440px)/2));
  width:44px;
  height:1px;
  background:linear-gradient(90deg,var(--zaa-amber),transparent);
}

/* Engineering graphic */
.zaa-engineering-diagram{filter:drop-shadow(0 0 30px rgba(200,147,90,.06))}
.zaa-engineering-diagram .node{
  animation:zaa-node-float 5s ease-in-out infinite;
  transition:transform .4s var(--zaa-ease),border-color .3s ease,background-color .3s ease;
}
.zaa-engineering-diagram .node:hover{
  transform:translateY(-5px);
  border-color:rgba(200,147,90,.55);
  background:rgba(200,147,90,.08);
}
@keyframes zaa-node-float{
  0%,100%{translate:0 0}
  50%{translate:0 -4px}
}

/* Forms */
.zaa-form-input,.zaa-form-select,.zaa-form-textarea{
  transition:border-color .3s ease,background-color .3s ease,
             box-shadow .3s ease,transform .3s var(--zaa-ease);
}
.zaa-form-input:focus,.zaa-form-select:focus,.zaa-form-textarea:focus{
  transform:translateY(-1px);
  border-color:rgba(200,147,90,.55);
  box-shadow:0 0 0 4px rgba(200,147,90,.08);
}

/* Footer */
.zaa-footer{position:relative;overflow:hidden}
.zaa-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;width:30%;height:1px;
  background:linear-gradient(90deg,var(--zaa-amber),transparent);
}

/* Mobile */
@media(max-width:768px){
  .zaa-container{padding-left:20px;padding-right:20px}
  .zaa-hero-bg img{transform:scale(1.015)}
  .zaa-card:hover{transform:translateY(-4px)}
  .zaa-section-block::before{left:20px}
}

/* Accessibility */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}