/* =========================================================
   NDT WEB SOLUTION — Core Stylesheet
   Brand: Orange #FF500B | Navy #211D3D | White | Light #F7F7FA
   ========================================================= */

:root{
  --orange: #FF500B;
  --orange-dark: #E04500;
  --navy: #211D3D;
  --navy-soft: #2D2850;
  --white: #FFFFFF;
  --bg-light: #F7F7FA;
  --text-secondary: #666575;
  --border-color: #E7E5ED;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(33,29,61,0.06);
  --shadow-md: 0 10px 30px rgba(33,29,61,0.10);
  --shadow-lg: 0 20px 50px rgba(33,29,61,0.14);
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
  --container-max: 1240px;
  --font-main: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  font-family: var(--font-main);
  color: var(--navy);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

h1,h2,h3,h4,h5,h6{
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p{ color: var(--text-secondary); margin-bottom: 1rem; }

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

img{ max-width: 100%; height: auto; display: block; }

.container-xl{ max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }

section{ position: relative; }

::selection{ background: var(--orange); color: var(--white); }

/* Focus visibility for accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible{
  outline: 3px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link{
  position: absolute; left: -999px; top: 0; background: var(--orange); color: #fff; padding: 10px 18px; z-index: 2000; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

/* ---------- Eyebrow / Section labels ---------- */
.eyebrow{
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 14px;
}
.eyebrow::before{
  content: ''; width: 24px; height: 2px; background: var(--orange); display: inline-block;
}

.section-head{ max-width: 640px; margin-bottom: 48px; }
.section-head.center{ margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2{ font-size: clamp(1.7rem, 3.4vw, 2.5rem); margin-bottom: 14px; }
.section-head p{ font-size: 1.05rem; }

.section-pad{ padding: 88px 0; }
@media (max-width: 767px){ .section-pad{ padding: 56px 0; } }

.bg-light{ background: var(--bg-light); }
.bg-navy{ background: var(--navy); color: #fff; }
.bg-navy h1, .bg-navy h2, .bg-navy h3, .bg-navy h4{ color: #fff; }
.bg-navy p{ color: rgba(255,255,255,0.72); }

/* ---------- Buttons ---------- */
.btn-ndt{
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 30px; border-radius: 50px; font-weight: 700; font-size: 0.95rem;
  border: 2px solid transparent; transition: all var(--transition); cursor: pointer; white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn-primary-ndt{ background: var(--orange); color: #fff; }
.btn-primary-ndt:hover{ background: var(--orange-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,80,11,0.35); }

.btn-outline-ndt{ background: transparent; border-color: rgba(255,255,255,0.3); color: var(--navy); border-color: var(--navy); }
.btn-outline-ndt:hover{ background: var(--navy); color: #fff; transform: translateY(-2px); }

.btn-light-ndt{ background: #fff; color: var(--navy); }
.btn-light-ndt:hover{ background: var(--orange); color: #fff; transform: translateY(-2px); }

.btn-outline-light-ndt{ background: transparent; border-color: rgba(255,255,255,0.4); color: #fff; }
.btn-outline-light-ndt:hover{ background: #fff; color: var(--navy); border-color: #fff; }

.btn-sm-ndt{ padding: 10px 22px; font-size: 0.85rem; }

/* ---------- Header / Navigation ---------- */
.site-header{
  position: sticky; top: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: box-shadow var(--transition);
}
.site-header.scrolled{ box-shadow: var(--shadow-sm); }

.navbar-ndt{ display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }

.brand-logo{ display: flex; align-items: center; gap: 10px; }
.brand-logo img{ height: 46px; width: auto; }

/* Logo badge for use on dark/navy backgrounds (footer) — preserves original logo exactly */
.logo-badge{
  display: inline-flex; align-items: center; background: #fff; padding: 10px 16px; border-radius: 12px;
}
.logo-badge img{ height: 34px; width: auto; display: block; }

.nav-main{ display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav-main > li{ position: relative; }
.nav-main > li > a{
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px; font-weight: 600; font-size: 0.95rem; color: var(--navy);
  border-radius: 50px; transition: all var(--transition);
}
.nav-main > li > a:hover, .nav-main > li > a.active{ background: var(--bg-light); color: var(--orange); }
.nav-main > li > a.active{ color: var(--orange); }

.nav-cta-wrap{ display: flex; align-items: center; gap: 14px; }

.nav-phone{ display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.9rem; color: var(--navy); }
.nav-phone i{ color: var(--orange); font-size: 1.1rem; }

/* Dropdown (desktop) */
.dropdown-ndt{ position: relative; }
.dropdown-panel{
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(8px);
  width: 640px; max-width: 90vw;
  background: #fff; border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  opacity: 0; visibility: hidden; transition: all var(--transition);
  z-index: 100;
}
.dropdown-ndt:hover .dropdown-panel,
.dropdown-ndt.open .dropdown-panel{
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.dropdown-item{
  display: flex; align-items: flex-start; gap: 14px; padding: 12px; border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.dropdown-item:hover{ background: var(--bg-light); }
.dropdown-item .d-icon{
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; background: rgba(255,80,11,0.1);
  display: flex; align-items: center; justify-content: center; color: var(--orange); font-size: 1.15rem;
}
.dropdown-item strong{ display: block; font-size: 0.92rem; color: var(--navy); margin-bottom: 2px; }
.dropdown-item span{ font-size: 0.8rem; color: var(--text-secondary); line-height: 1.4; }

/* Mobile nav */
.mobile-toggle{
  display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border-color);
  background: #fff; align-items: center; justify-content: center; font-size: 1.3rem; color: var(--navy); cursor: pointer;
}

@media (max-width: 1140px){
  .nav-main, .nav-phone{ display: none; }
  .mobile-toggle{ display: flex; }
  .nav-cta-wrap .btn-ndt.d-desktop-only{ display: none; }
}

.mobile-menu{
  position: fixed; inset: 0; background: var(--navy); z-index: 2000;
  transform: translateX(100%); transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto; padding: 20px 20px 60px;
}
.mobile-menu.open{ transform: translateX(0); }
.mobile-menu-head{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.mobile-menu-head img{ height: 38px; }
.mobile-close{ width: 42px; height: 42px; border-radius: 10px; background: rgba(255,255,255,0.08); border: none; color: #fff; font-size: 1.3rem; display: flex; align-items: center; justify-content: center; }
.mobile-nav-list{ list-style: none; padding: 0; margin: 0; }
.mobile-nav-list > li{ border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav-list > li > a{
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 4px; font-size: 1.1rem; font-weight: 700; color: #fff;
}
.mobile-submenu{ list-style: none; padding: 0 0 12px 14px; margin: 0; display: none; }
.mobile-submenu.open{ display: block; }
.mobile-submenu li a{ display: block; padding: 10px 4px; color: rgba(255,255,255,0.75); font-size: 0.98rem; }
.mobile-submenu li a:hover{ color: var(--orange); }
.mobile-caret{ transition: transform 0.3s; }
.mobile-caret.rot{ transform: rotate(180deg); }
.mobile-menu-footer{ margin-top: 30px; display: flex; flex-direction: column; gap: 12px; }
.mobile-menu-footer a.phone-link{ display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; }
.mobile-menu-footer a.phone-link i{ color: var(--orange); }

.mobile-overlay{ position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 1999; opacity: 0; visibility: hidden; transition: opacity var(--transition); }
.mobile-overlay.open{ opacity: 1; visibility: visible; }
body.menu-open{ overflow: hidden; }

/* ---------- Hero ---------- */
.hero-section{
  background: var(--navy);
  position: relative; overflow: hidden;
  padding: 110px 0 90px;
}
.hero-section::before{
  content: ''; position: absolute; top: -120px; right: -120px; width: 480px; height: 480px;
  background: radial-gradient(circle, rgba(255,80,11,0.18), transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-grid{ display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 50px; align-items: center; }
@media (max-width: 991px){ .hero-grid{ grid-template-columns: 1fr; gap: 40px; } }

.hero-eyebrow{
  display: inline-flex; align-items: center; gap: 10px; background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15); padding: 8px 18px 8px 10px; border-radius: 50px;
  font-size: 0.82rem; font-weight: 700; color: #fff; margin-bottom: 26px;
}
.hero-eyebrow .dot{ width: 8px; height: 8px; border-radius: 50%; background: var(--orange); }

.hero-section h1{
  color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.4rem); margin-bottom: 22px; font-weight: 800;
}
.hero-section h1 .accent{ color: var(--orange); }
.hero-section .lead-text{ color: rgba(255,255,255,0.75); font-size: 1.12rem; max-width: 540px; margin-bottom: 34px; }
.hero-cta-row{ display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust{ display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,0.6); font-size: 0.9rem; font-weight: 600; }
.hero-trust i{ color: var(--orange); }

/* Hero visual composition (CSS-built mockup, no AI images needed) */
.hero-visual{ position: relative; height: 440px; }
.mockup-window{
  position: absolute; background: #fff; border-radius: 14px; box-shadow: 0 30px 60px rgba(0,0,0,0.35);
  overflow: hidden; border: 1px solid rgba(255,255,255,0.08);
}
.mockup-window .win-bar{ height: 32px; background: #F1F0F5; display: flex; align-items: center; gap: 6px; padding: 0 12px; }
.mockup-window .win-dot{ width: 9px; height: 9px; border-radius: 50%; }
.mockup-window .win-dot:nth-child(1){ background: #FF5F57; }
.mockup-window .win-dot:nth-child(2){ background: #FEBC2E; }
.mockup-window .win-dot:nth-child(3){ background: #28C840; }
.mockup-window .win-body{ padding: 18px; }

.mw-1{ width: 340px; top: 0; left: 10px; z-index: 2; animation: floatY 6s ease-in-out infinite; }
.mw-2{ width: 260px; top: 230px; left: 170px; z-index: 3; animation: floatY 7s ease-in-out infinite 0.4s; }
.mw-3{ width: 150px; top: 60px; right: 0; z-index: 1; animation: floatY 8s ease-in-out infinite 0.8s; }

@keyframes floatY{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } }
@media (prefers-reduced-motion: reduce){ .mw-1,.mw-2,.mw-3{ animation: none; } }

.skeleton-line{ height: 9px; background: var(--border-color); border-radius: 4px; margin-bottom: 10px; }
.skeleton-line.w-60{ width: 60%; }
.skeleton-line.w-80{ width: 80%; }
.skeleton-line.w-40{ width: 40%; }
.skeleton-block{ height: 60px; background: var(--bg-light); border-radius: 8px; margin-bottom: 10px; }
.chip-orange{ display: inline-block; width: 46px; height: 46px; border-radius: 10px; background: var(--orange); margin-bottom: 12px; }
.chip-navy{ display: inline-block; width: 46px; height: 46px; border-radius: 10px; background: var(--navy); margin-bottom: 12px; }
.bar-chart-mini{ display: flex; align-items: flex-end; gap: 6px; height: 60px; margin-top: 10px; }
.bar-chart-mini span{ flex: 1; background: var(--orange); border-radius: 4px 4px 0 0; opacity: 0.85; }
.bar-chart-mini span:nth-child(even){ background: var(--navy); opacity: 0.8; }

@media (max-width: 767px){ .hero-visual{ display: none; } }

/* ---------- Trust band ---------- */
.trust-band{ background: #fff; border-bottom: 1px solid var(--border-color); padding: 36px 0; }
.trust-list{ display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; list-style: none; padding: 0; margin: 0; }
.trust-list li{ display: flex; align-items: center; gap: 12px; font-weight: 700; color: var(--navy); font-size: 0.98rem; flex: 1; min-width: 200px; }
.trust-list li i{ color: var(--orange); font-size: 1.4rem; }

/* ---------- About split ---------- */
.about-visual{ position: relative; }
.about-visual .main-frame{
  background: var(--bg-light); border-radius: var(--radius-lg); padding: 28px; border: 1px solid var(--border-color);
}
.about-stat-float{
  position: absolute; bottom: -22px; right: -20px; background: var(--navy); color: #fff;
  border-radius: var(--radius-md); padding: 18px 22px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 14px;
}
.about-stat-float i{ font-size: 1.8rem; color: var(--orange); }
@media (max-width: 575px){ .about-stat-float{ position: static; margin-top: 16px; } }

.check-list{ list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.check-list li{ display: flex; align-items: flex-start; gap: 12px; font-weight: 600; color: var(--navy); font-size: 0.98rem; }
.check-list li i{ color: var(--orange); margin-top: 3px; }

/* ---------- Service cards ---------- */
.service-grid-main{ display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.svc-card{
  background: #fff; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  padding: 30px 26px; transition: all var(--transition); position: relative; overflow: hidden;
}
.svc-card:hover{ box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: transparent; }
.svc-card .svc-icon{
  width: 56px; height: 56px; border-radius: 14px; background: rgba(255,80,11,0.1);
  display: flex; align-items: center; justify-content: center; color: var(--orange); font-size: 1.5rem; margin-bottom: 20px;
}
.svc-card h3{ font-size: 1.2rem; margin-bottom: 10px; }
.svc-card p{ font-size: 0.92rem; margin-bottom: 16px; }
.svc-card .svc-link{ font-weight: 700; color: var(--navy); font-size: 0.88rem; display: inline-flex; align-items: center; gap: 6px; }
.svc-card .svc-link i{ transition: transform var(--transition); }
.svc-card:hover .svc-link i{ transform: translateX(4px); }
.svc-card .svc-link:hover{ color: var(--orange); }

.svc-card.large{ grid-column: span 3; }
.svc-card.medium{ grid-column: span 2; }
.svc-card.small{ grid-column: span 2; }

.svc-card.featured{ background: var(--navy); border-color: var(--navy); }
.svc-card.featured h3, .svc-card.featured p{ color: #fff; }
.svc-card.featured p{ color: rgba(255,255,255,0.7); }
.svc-card.featured .svc-icon{ background: rgba(255,80,11,0.2); }
.svc-card.featured .svc-link{ color: #fff; }
.svc-card.featured .svc-link:hover{ color: var(--orange); }

@media (max-width: 991px){
  .service-grid-main{ grid-template-columns: repeat(2, 1fr); }
  .svc-card.large, .svc-card.medium, .svc-card.small{ grid-column: span 1; }
}

/* ---------- Portfolio ---------- */
.filter-bar{ display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn{
  padding: 10px 22px; border-radius: 50px; border: 1px solid var(--border-color); background: #fff;
  font-weight: 700; font-size: 0.88rem; color: var(--navy); cursor: pointer; transition: all var(--transition);
}
.filter-btn:hover{ border-color: var(--orange); color: var(--orange); }
.filter-btn.active{ background: var(--navy); border-color: var(--navy); color: #fff; }

.portfolio-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
@media (max-width: 991px){ .portfolio-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px){ .portfolio-grid{ grid-template-columns: 1fr; } }

.portfolio-item{ display: block; }
.portfolio-item.hide{ display: none; }

.port-thumb{
  border-radius: var(--radius-md); overflow: hidden; position: relative; aspect-ratio: 4/3;
  background: var(--bg-light); border: 1px solid var(--border-color); margin-bottom: 18px;
}
.port-thumb .mock-frame{ position: absolute; inset: 0; display: flex; flex-direction: column; }
.port-thumb .mock-topbar{ height: 26px; background: var(--navy); display: flex; align-items: center; gap: 5px; padding: 0 10px; flex-shrink: 0; }
.port-thumb .mock-topbar span{ width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,0.3); }
.port-thumb .mock-body{ flex: 1; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.port-thumb .mock-overlay{
  position: absolute; inset: 0; background: rgba(33,29,61,0.88); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.port-thumb:hover .mock-overlay{ opacity: 1; }
.port-thumb .mock-overlay a{ color: #fff; font-weight: 700; border: 2px solid #fff; padding: 10px 24px; border-radius: 50px; }
.port-thumb .mock-overlay a:hover{ background: var(--orange); border-color: var(--orange); }

.port-cat{ font-size: 0.78rem; font-weight: 700; color: var(--orange); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; display: block; }
.portfolio-item h3{ font-size: 1.1rem; margin-bottom: 6px; }
.portfolio-item .svc-tags{ display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.svc-tags span{ font-size: 0.75rem; font-weight: 600; background: var(--bg-light); padding: 4px 12px; border-radius: 50px; color: var(--text-secondary); }

.concept-badge{ position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,0.9); color: var(--navy); font-size: 0.68rem; font-weight: 700; padding: 4px 10px; border-radius: 50px; z-index: 2; }

/* ---------- Why choose / editorial ---------- */
.why-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 991px){ .why-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px){ .why-grid{ grid-template-columns: 1fr; } }
.why-item{ padding: 28px 24px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--border-color); transition: all var(--transition); }
.why-item:hover{ border-color: var(--orange); transform: translateY(-4px); }
.why-item i{ font-size: 1.8rem; color: var(--orange); margin-bottom: 16px; display: block; }
.why-item h3{ font-size: 1.05rem; margin-bottom: 8px; }
.why-item p{ font-size: 0.9rem; margin: 0; }

/* ---------- Process timeline ---------- */
.process-timeline{ display: flex; justify-content: space-between; position: relative; gap: 10px; }
.process-timeline::before{
  content: ''; position: absolute; top: 34px; left: 5%; right: 5%; height: 2px; background: var(--border-color); z-index: 0;
}
.process-step{ flex: 1; text-align: center; position: relative; z-index: 1; padding: 0 10px; }
.process-num{
  width: 68px; height: 68px; border-radius: 50%; background: #fff; border: 2px solid var(--orange); color: var(--orange);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem; margin: 0 auto 20px;
}
.process-step h3{ font-size: 1.05rem; margin-bottom: 8px; }
.process-step p{ font-size: 0.88rem; }

@media (max-width: 991px){
  .process-timeline{ flex-direction: column; gap: 36px; }
  .process-timeline::before{ top: 0; bottom: 0; left: 34px; width: 2px; height: auto; right: auto; }
  .process-step{ display: flex; align-items: flex-start; gap: 20px; text-align: left; padding: 0; }
  .process-num{ margin: 0; flex-shrink: 0; }
}

/* ---------- Industries ---------- */
.industry-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 767px){ .industry-grid{ grid-template-columns: repeat(2, 1fr); } }
.industry-chip{
  display: flex; align-items: center; gap: 14px; padding: 20px; border-radius: var(--radius-md);
  background: #fff; border: 1px solid var(--border-color); transition: all var(--transition);
}
.industry-chip:hover{ background: var(--navy); }
.industry-chip:hover h4, .industry-chip:hover i{ color: #fff; }
.industry-chip i{ font-size: 1.5rem; color: var(--orange); transition: color var(--transition); }
.industry-chip h4{ font-size: 0.95rem; margin: 0; transition: color var(--transition); }

/* ---------- Testimonial / value panel ---------- */
.value-panel{
  background: var(--navy); border-radius: var(--radius-lg); padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
@media (max-width: 767px){ .value-panel{ grid-template-columns: 1fr; padding: 36px 24px; } }
.value-panel h2{ color: #fff; }
.value-panel p{ color: rgba(255,255,255,0.72); }

/* ---------- FAQ Accordion ---------- */
.accordion-ndt{ border-radius: var(--radius-md); overflow: hidden; }
.acc-item{ border: 1px solid var(--border-color); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; background: #fff; }
.acc-header{ margin: 0; }
.acc-btn{
  width: 100%; text-align: left; padding: 20px 24px; background: none; border: none; display: flex; justify-content: space-between;
  align-items: center; font-weight: 700; font-size: 1rem; color: var(--navy); cursor: pointer;
}
.acc-btn i{ transition: transform var(--transition); color: var(--orange); flex-shrink: 0; margin-left: 12px; }
.acc-btn[aria-expanded="true"] i{ transform: rotate(180deg); }
.acc-panel{ max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.acc-panel-inner{ padding: 0 24px 20px; }
.acc-panel-inner p{ margin: 0; font-size: 0.95rem; }

/* ---------- Final CTA ---------- */
.final-cta{ background: var(--navy); position: relative; overflow: hidden; }
.final-cta::after{
  content: ''; position: absolute; bottom: -100px; left: -100px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,80,11,0.15), transparent 70%); border-radius: 50%;
}
.final-cta-inner{ text-align: center; max-width: 680px; margin: 0 auto; position: relative; z-index: 1; }
.final-cta h2{ color: #fff; font-size: clamp(1.8rem,3.6vw,2.6rem); margin-bottom: 16px; }
.final-cta p{ color: rgba(255,255,255,0.72); font-size: 1.1rem; margin-bottom: 34px; }
.final-cta-btns{ display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--navy); color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer-grid{ display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.1); }
@media (max-width: 991px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 575px){ .footer-grid{ grid-template-columns: 1fr; } }
.footer-col h4{ color: #fff; font-size: 1rem; margin-bottom: 20px; font-weight: 700; }
.footer-col img{ height: 42px; margin-bottom: 18px; }
.footer-col p{ color: rgba(255,255,255,0.6); font-size: 0.92rem; }
.footer-links{ list-style: none; padding: 0; margin: 0; }
.footer-links li{ margin-bottom: 11px; }
.footer-links a{ color: rgba(255,255,255,0.65); font-size: 0.92rem; transition: color var(--transition); }
.footer-links a:hover{ color: var(--orange); }
.footer-contact li{ display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px; font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.footer-contact i{ color: var(--orange); margin-top: 3px; flex-shrink: 0; }
.footer-social{ display: flex; gap: 10px; margin-top: 20px; }
.footer-social a{
  width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center;
  justify-content: center; color: #fff; transition: all var(--transition);
}
.footer-social a:hover{ background: var(--orange); }
.footer-bottom{ display: flex; justify-content: space-between; align-items: center; padding: 24px 0; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; }
.footer-bottom a{ color: rgba(255,255,255,0.6); }
.footer-bottom a:hover{ color: var(--orange); }

/* ---------- Floating WhatsApp ---------- */
.whatsapp-float{
  position: fixed; bottom: 26px; right: 26px; width: 58px; height: 58px; border-radius: 50%; background: #25D366;
  display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1.6rem; box-shadow: 0 8px 24px rgba(37,211,102,0.4);
  z-index: 999; transition: transform var(--transition);
}
.whatsapp-float:hover{ transform: scale(1.08); color: #fff; }

/* ---------- Back to top ---------- */
.back-to-top{
  position: fixed; bottom: 26px; left: 26px; width: 48px; height: 48px; border-radius: 50%; background: var(--navy);
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; z-index: 999;
  opacity: 0; visibility: hidden; transition: all var(--transition); border: none; cursor: pointer;
}
.back-to-top.show{ opacity: 1; visibility: visible; }
.back-to-top:hover{ background: var(--orange); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero{ background: var(--navy); padding: 150px 0 70px; position: relative; overflow: hidden; }
.page-hero::before{
  content: ''; position: absolute; top: -100px; right: -100px; width: 360px; height: 360px;
  background: radial-gradient(circle, rgba(255,80,11,0.16), transparent 70%); border-radius: 50%;
}
.page-hero .breadcrumb-ndt{ display: flex; gap: 8px; align-items: center; font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-bottom: 18px; }
.page-hero .breadcrumb-ndt a{ color: rgba(255,255,255,0.75); }
.page-hero .breadcrumb-ndt a:hover{ color: var(--orange); }
.page-hero h1{ color: #fff; font-size: clamp(1.9rem, 4vw, 3rem); max-width: 760px; margin-bottom: 18px; }
.page-hero p{ color: rgba(255,255,255,0.72); max-width: 640px; font-size: 1.05rem; margin: 0; }

/* ---------- Generic content blocks ---------- */
.split-block{ display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 860px){ .split-block{ grid-template-columns: 1fr; gap: 32px; } }
.split-block.reverse .order-swap{ order: 2; }
@media (max-width: 860px){ .split-block.reverse .order-swap{ order: 0; } }

.visual-card{
  background: var(--bg-light); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 30px;
}

.icon-feature{ display: flex; gap: 16px; align-items: flex-start; margin-bottom: 24px; }
.icon-feature .f-icon{
  width: 50px; height: 50px; border-radius: 12px; background: rgba(255,80,11,0.1); color: var(--orange);
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem; flex-shrink: 0;
}
.icon-feature h4{ font-size: 1rem; margin-bottom: 4px; }
.icon-feature p{ font-size: 0.9rem; margin: 0; }

.two-col-list{ columns: 2; column-gap: 30px; }
@media (max-width: 575px){ .two-col-list{ columns: 1; } }
.two-col-list li{ break-inside: avoid; margin-bottom: 12px; }

.tag-pill{ display: inline-block; background: var(--bg-light); border: 1px solid var(--border-color); padding: 6px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 600; color: var(--navy); margin: 0 8px 8px 0; }

.related-grid{ display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
@media (max-width: 767px){ .related-grid{ grid-template-columns: 1fr; } }
.related-card{ padding: 24px; border: 1px solid var(--border-color); border-radius: var(--radius-md); transition: all var(--transition); display: block; }
.related-card:hover{ border-color: var(--orange); box-shadow: var(--shadow-sm); transform: translateY(-3px); }
.related-card i{ color: var(--orange); font-size: 1.4rem; margin-bottom: 12px; display: block; }
.related-card h4{ font-size: 1rem; margin-bottom: 6px; }
.related-card p{ font-size: 0.85rem; margin: 0; }

/* Workflow steps (numbered, used on service pages) */
.workflow-list{ list-style: none; padding: 0; margin: 0; counter-reset: wf; }
.workflow-list li{ counter-increment: wf; display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border-color); }
.workflow-list li:last-child{ border-bottom: none; }
.workflow-list li::before{
  content: counter(wf, decimal-leading-zero); font-weight: 800; font-size: 1.2rem; color: var(--orange);
  flex-shrink: 0; width: 44px;
}
.workflow-list h4{ font-size: 1rem; margin-bottom: 4px; }
.workflow-list p{ font-size: 0.9rem; margin: 0; }

/* ---------- Forms ---------- */
.form-ndt .form-group{ margin-bottom: 22px; }
.form-ndt label{ display: block; font-weight: 700; font-size: 0.9rem; color: var(--navy); margin-bottom: 8px; }
.form-ndt label .req{ color: var(--orange); }
.form-ndt .form-control, .form-ndt .form-select{
  width: 100%; padding: 13px 16px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  font-size: 0.95rem; font-family: var(--font-main); color: var(--navy); background: #fff; transition: border-color var(--transition);
}
.form-ndt .form-control:focus, .form-ndt .form-select:focus{ border-color: var(--orange); outline: none; }
.form-ndt textarea.form-control{ resize: vertical; min-height: 130px; }
.form-ndt .invalid-feedback{ display: none; color: #D92D20; font-size: 0.82rem; margin-top: 6px; }
.form-ndt .form-control.is-invalid, .form-ndt .form-select.is-invalid{ border-color: #D92D20; }
.form-ndt .form-control.is-invalid ~ .invalid-feedback,
.form-ndt .form-select.is-invalid ~ .invalid-feedback{ display: block; }
.form-ndt .form-note{ font-size: 0.82rem; color: var(--text-secondary); margin-top: 4px; }
.radio-card-group{ display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; }
@media (max-width: 575px){ .radio-card-group{ grid-template-columns: 1fr; } }
.radio-card{ position: relative; }
.radio-card input{ position: absolute; opacity: 0; }
.radio-card label{
  display: flex; align-items: center; gap: 10px; padding: 14px 16px; border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); font-weight: 600; font-size: 0.9rem; cursor: pointer; margin: 0; transition: all var(--transition);
}
.radio-card input:checked + label{ border-color: var(--orange); background: rgba(255,80,11,0.06); color: var(--orange); }
.form-alert-success{
  display: none; background: #ECFDF3; border: 1px solid #ABEFC6; color: #067647; padding: 16px 20px; border-radius: var(--radius-sm);
  margin-bottom: 20px; font-weight: 600; font-size: 0.92rem; align-items: center; gap: 10px;
}
.form-alert-success.show{ display: flex; }
.dev-note{
  background: #FFF6ED; border: 1px dashed #FFB98A; color: #93400A; padding: 14px 18px; border-radius: var(--radius-sm);
  font-size: 0.85rem; margin-top: 18px;
}

/* ---------- Contact info cards ---------- */
.contact-info-card{ display: flex; gap: 18px; padding: 24px; border: 1px solid var(--border-color); border-radius: var(--radius-md); margin-bottom: 18px; }
.contact-info-card i{ width: 48px; height: 48px; border-radius: 12px; background: rgba(255,80,11,0.1); color: var(--orange); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }
.contact-info-card h4{ font-size: 1rem; margin-bottom: 6px; }
.contact-info-card p{ margin: 0; font-size: 0.92rem; }
.contact-info-card a{ font-weight: 700; color: var(--navy); }
.contact-info-card a:hover{ color: var(--orange); }

.map-frame{ border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-color); }
.map-frame iframe{ width: 100%; height: 320px; border: 0; display: block; }

/* ---------- Legal pages ---------- */
.legal-content h2{ font-size: 1.4rem; margin-top: 36px; margin-bottom: 14px; }
.legal-content h2:first-child{ margin-top: 0; }
.legal-content p, .legal-content li{ color: var(--text-secondary); font-size: 0.98rem; }
.legal-content ul{ padding-left: 22px; }
.legal-content li{ margin-bottom: 8px; }
.legal-updated{ font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 30px; display: inline-block; background: var(--bg-light); padding: 8px 16px; border-radius: 50px; }

/* ---------- Case studies ---------- */
.case-card{ border: 1px solid var(--border-color); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 30px; }
.case-card-head{ padding: 30px; }
.case-card-head .port-cat{ margin-bottom: 10px; }
.case-grid-meta{ display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; padding: 24px 30px; background: var(--bg-light); border-top: 1px solid var(--border-color); }
@media (max-width: 767px){ .case-grid-meta{ grid-template-columns: 1fr; } }
.case-grid-meta h5{ font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--orange); font-weight: 800; margin-bottom: 6px; }
.case-grid-meta p{ font-size: 0.9rem; margin: 0; color: var(--navy); }

/* ---------- Animations / reveal ---------- */
.reveal{ opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in{ opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity: 1; transform: none; transition: none; } }

/* Utility */
.text-orange{ color: var(--orange) !important; }
.text-navy{ color: var(--navy) !important; }
.fw-800{ font-weight: 800; }
.mb-0{ margin-bottom: 0; }
.rounded-ndt{ border-radius: var(--radius-md); }