/* ================================================
   Expansteel Industry — Global Stylesheet
   Color: Deep Blue #1B3A5C | Silver #A8B5C2 | CTA Blue #2E8BC0
   Fonts: Montserrat (headings) · Inter (body)
   ================================================ */

/* ---------- RESET & BASE ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:#2c3e50;
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- UTILITIES ---------- */
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.sr-only{
  position:absolute;width:1px;height:1px;
  padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- TYPOGRAPHY ---------- */
h1,h2,h3,h4{font-family:'Montserrat','Inter',sans-serif;color:#1B3A5C;line-height:1.25}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700}
h3{font-size:clamp(1.1rem,2vw,1.35rem);font-weight:600}
h4{font-size:1rem;font-weight:600}
p{margin-bottom:.75em}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:.95rem;
  border-radius:6px;
  transition:all .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:#2E8BC0;
  color:#fff;
  padding:14px 32px;
  box-shadow:0 2px 8px rgba(46,139,192,.25);
}
.btn-primary:hover{background:#2479a8;box-shadow:0 4px 16px rgba(46,139,192,.35);transform:translateY(-1px)}
.btn-outline{
  border:2px solid #fff;
  color:#fff;
  padding:12px 30px;
}
.btn-outline:hover{background:rgba(255,255,255,.15)}
.btn-text{
  color:#2E8BC0;
  padding:8px 0;
  font-size:.9rem;
}
.btn-text:hover{color:#1B3A5C}
.btn-lg{padding:16px 40px;font-size:1.05rem}

/* ---------- SECTION PATTERNS ---------- */
.section{padding:100px 0}
.section--dark{background:#1B3A5C;color:#e8edf2}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}
.section--dark .section-eyebrow{color:#7EC8E3}
.section--light{background:#F8F9FA}

.section-header{text-align:center;max-width:700px;margin:0 auto 60px}
.section-eyebrow{
  font-size:.8rem;
  letter-spacing:3px;
  text-transform:uppercase;
  color:#2E8BC0;
  font-weight:600;
  margin-bottom:12px;
}
.section-title{margin-bottom:16px}
.section-desc{color:#5a6a7a;font-size:1.05rem;line-height:1.75}
.section--dark .section-desc{color:#b0c4d8}

/* ============ NAVBAR ============ */
.navbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  padding:16px 0;
  transition:all .35s ease;
  background:transparent;
}
.navbar.scrolled{
  background:rgba(27,58,92,.97);
  backdrop-filter:blur(10px);
  padding:10px 0;
  box-shadow:0 2px 20px rgba(0,0,0,.15);
}
.nav-container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;color:#fff}
.nav-logo-img{height:36px;width:auto}
.logo-text{font-family:'Montserrat',sans-serif;font-weight:800;font-size:1.5rem;letter-spacing:1px}
.logo-sub{font-size:.75rem;font-weight:400;opacity:.7;letter-spacing:1px}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-link{
  color:rgba(255,255,255,.85);
  font-size:.9rem;
  font-weight:500;
  letter-spacing:.3px;
  transition:color .2s;
  position:relative;
}
.nav-link::after{
  content:'';
  position:absolute;
  bottom:-4px;left:0;right:0;
  height:2px;
  background:#2E8BC0;
  transform:scaleX(0);
  transition:transform .25s ease;
}
.nav-link:hover{color:#fff}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-cta{
  background:#2E8BC0;
  color:#fff !important;
  padding:10px 24px;
  border-radius:6px;
}
.nav-cta::after{display:none}
.nav-cta:hover{background:#2479a8}

/* Hamburger */
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:4px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;transition:all .3s}

/* ============ HERO ============ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:linear-gradient(135deg,#0f2744 0%,#1B3A5C 40%,#234b6e 100%);
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%,rgba(46,139,192,.12) 0%,transparent 70%),
    radial-gradient(ellipse 50% 50% at 20% 80%,rgba(168,181,194,.08) 0%,transparent 60%);
}
.hero-overlay{
  position:absolute;inset:0;
  z-index:2;
  background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-content{position:relative;z-index:3;max-width:620px;padding-top:120px;padding-bottom:80px}
.hero-eyebrow{
  font-size:.85rem;
  letter-spacing:3px;
  text-transform:uppercase;
  color:#7EC8E3;
  margin-bottom:20px;
  font-weight:500;
}
.hero-title{color:#fff;margin-bottom:20px}
.hero-subtitle{
  font-size:1.15rem;
  color:rgba(255,255,255,.75);
  margin-bottom:16px;
  font-weight:400;
}
.hero-desc{color:rgba(255,255,255,.6);font-size:.95rem;line-height:1.8;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}

.hero-scroll{
  position:absolute;
  bottom:32px;left:50%;
  transform:translateX(-50%);
  z-index:3;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,.4);
  font-size:.7rem;
  letter-spacing:2px;
  text-transform:uppercase;
}
.scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,rgba(255,255,255,.4),transparent)}

/* ============ STRENGTHS ============ */
.strengths{padding:80px 0;background:#F8F9FA}
.strengths-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.strength-card{
  text-align:center;
  padding:32px 20px;
}
.strength-icon{
  width:56px;height:56px;
  margin:0 auto 16px;
  color:#2E8BC0;
}
.strength-icon svg{width:100%;height:100%}
.strength-number{
  font-family:'Montserrat',sans-serif;
  font-size:2.4rem;
  font-weight:800;
  color:#1B3A5C;
  line-height:1;
  margin-bottom:4px;
}
.strength-card h3{font-size:1rem;margin-bottom:8px}
.strength-card p{font-size:.88rem;color:#5a6a7a;margin:0}

/* ============ PRODUCTS ============ */
.products{background:#fff}

/* Product Grid — equal height cards in rows */
.product-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-bottom:60px;
}

/* Product Card — structured for equal height */
.product-card{
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:12px;
  display:flex;
  flex-direction:column;
  transition:box-shadow .3s,border-color .3s,transform .2s;
  position:relative;
  overflow:hidden;
}
.product-card:hover{
  box-shadow:0 8px 30px rgba(27,58,92,.1);
  border-color:#c8d6e0;
  transform:translateY(-2px);
}

.product-card-header{
  padding:28px 28px 0;
}
.product-card-body{
  padding:0 28px 16px;
  flex:1;
}
.product-card-expand{
  padding:0 28px 24px;
  margin-top:auto;
  border-top:1px solid #f0f2f5;
}

/* Flagship card */
.product-card--flagship{
  border:2px solid #2E8BC0;
  background:linear-gradient(180deg,#f0f8ff 0%,#fff 40%);
  box-shadow:0 4px 20px rgba(46,139,192,.1);
  grid-row:span 1;
}
.product-card--flagship:hover{box-shadow:0 8px 35px rgba(46,139,192,.18);transform:translateY(-3px)}

.product-badge{
  display:inline-block;
  font-size:.7rem;
  font-weight:600;
  letter-spacing:1px;
  text-transform:uppercase;
  padding:4px 12px;
  border-radius:20px;
  background:#e8edf2;
  color:#5a6a7a;
  margin-bottom:10px;
}
.product-badge--flagship{
  background:#2E8BC0;
  color:#fff;
}
.product-name{
  font-size:1.4rem;
  margin-bottom:4px;
}
.product-type{
  font-size:.84rem;
  color:#5a6a7a;
  margin-bottom:14px;
}
.product-desc{font-size:.88rem;line-height:1.7;margin-bottom:14px}
.product-highlights{margin-bottom:14px}
.product-highlights li{
  font-size:.84rem;
  color:#3d4f5f;
  padding:3px 0 3px 20px;
  position:relative;
}
.product-highlights li::before{
  content:'✓';
  position:absolute;
  left:0;
  color:#2E8BC0;
  font-weight:700;
}

/* Product applications */
.product-applications{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:8px;
}
.product-applications span{
  font-size:.74rem;
  padding:3px 10px;
  border-radius:20px;
  background:#f0f4f8;
  color:#3d4f5f;
}
.app-primary{
  background:#2E8BC0 !important;
  color:#fff !important;
  font-weight:600;
}

/* Product specs (collapsed by default, smooth expand) */
.product-spec{
  max-height:0;
  overflow:hidden;
  transition:max-height .45s ease;
}
.product-spec.open{max-height:600px}
.product-spec table{margin-top:12px}
.product-spec th{
  text-align:left;
  font-size:.74rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.5px;
  color:#5a6a7a;
  padding:6px 10px;
  border-bottom:2px solid #e2e8f0;
  background:#f8f9fa;
}
.product-spec td{
  font-size:.82rem;
  padding:6px 10px;
  border-bottom:1px solid #eef1f5;
  color:#2c3e50;
}
.product-spec tr:hover td{background:#fafbfc}
.spec-highlight td{font-weight:600;color:#2E8BC0;background:#f0f8ff !important}
.val-highlight{font-weight:700;color:#2E8BC0}
.spec-note{font-size:.8rem;color:#5a6a7a;margin-top:10px;padding:8px;background:#f8f9fa;border-radius:6px}
.spec-note strong{color:#1B3A5C}

.product-toggle{
  margin-top:8px;
  font-size:.85rem;
}

/* Flow option styling */
.flow-option{
  border:1px dashed #2E8BC0;
  background:rgba(46,139,192,.08);
  border-radius:6px;
  padding:6px 12px;
}
.flow-option em{
  font-size:.78rem;
  color:#2E8BC0;
}

/* ============ APP SHOWCASE CARDS (food packaging, window tint) ============ */
.app-showcase-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
  margin-bottom:40px;
}
.app-showcase-card{
  display:flex;
  flex-direction:column;
  border:1px solid #e2e8f0;
  border-radius:12px;
  overflow:hidden;
  background:#fff;
  transition:box-shadow .3s,transform .2s;
}
.app-showcase-card:hover{
  box-shadow:0 8px 24px rgba(0,0,0,.08);
  transform:translateY(-2px);
}
.app-showcase-card-image img{
  width:100%;
  height:220px;
  object-fit:cover;
}
.app-showcase-card-text{
  padding:24px;
}
.app-showcase-card-text h3{
  font-size:1.15rem;
  margin-bottom:10px;
  color:#1B3A5C;
}
.app-showcase-card-text p{
  font-size:.88rem;
  color:#3d4f5f;
  line-height:1.7;
  margin-bottom:12px;
}

/* ============ COMPARISON TABLE ============ */
.comparison-section{
  background:#f8f9fa;
  border-radius:12px;
  padding:40px;
}
.comparison-title{text-align:center;margin-bottom:28px}
.comparison-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.comparison-table{min-width:700px}
.comparison-table th{
  font-size:.82rem;
  font-weight:600;
  text-transform:uppercase;
  letter-spacing:.5px;
  color:#5a6a7a;
  padding:14px 16px;
  border-bottom:2px solid #d6dfe8;
  text-align:left;
  white-space:nowrap;
}
.comparison-table td{
  font-size:.88rem;
  padding:12px 16px;
  border-bottom:1px solid #eef1f5;
}
.comparison-table tbody tr:hover td{background:#f0f4f8}
.col-flagship{
  background:rgba(46,139,192,.06) !important;
  border-left:2px solid #2E8BC0;
  border-right:2px solid #2E8BC0;
}
thead .col-flagship{
  background:#2E8BC0 !important;
  color:#fff;
  border-bottom-color:#2E8BC0;
}

/* ============ CAPABILITIES ============ */
.capabilities-grid{
  display:grid;
  gap:32px;
}
.capability-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  padding:40px;
}
.capability-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}
.capability-number{
  font-family:'Montserrat',sans-serif;
  font-size:2.5rem;
  font-weight:800;
  color:rgba(46,139,192,.4);
  line-height:1;
  margin-bottom:12px;
}
.capability-card h3{margin-bottom:12px;font-size:1.3rem}
.capability-card p{font-size:.92rem;color:#b0c4d8;line-height:1.75;margin-bottom:20px}

.process-flow{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:16px;
  background:rgba(0,0,0,.15);
  border-radius:8px;
}
.process-flow span{
  font-size:.82rem;
  color:#d0dce8;
  padding:6px 14px;
  background:rgba(255,255,255,.08);
  border-radius:4px;
}
.flow-arrow{
  background:none !important;
  color:#7EC8E3;
  font-weight:700;
  padding:6px 4px !important;
}

.qc-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:12px;
}
.qc-item{
  font-size:.82rem;
  color:#b0c4d8;
  padding:14px;
  background:rgba(0,0,0,.15);
  border-radius:8px;
  line-height:1.5;
}
.qc-item strong{color:#7EC8E3;display:block;margin-bottom:4px}

/* ============ APPLICATIONS ============ */
.app-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.app-card{
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:12px;
  padding:32px;
  transition:all .3s;
}
.app-card:hover{box-shadow:0 8px 30px rgba(27,58,92,.08);transform:translateY(-2px)}
.app-card--primary{
  background:linear-gradient(135deg,#1B3A5C 0%,#234b6e 100%);
  color:#e0eaf4;
  border:none;
}
.app-card--primary h3{color:#fff}
.app-card--primary .app-product{background:rgba(46,139,192,.3);color:#7EC8E3}
.app-icon{
  font-size:1.8rem;
  margin-bottom:14px;
  color:#2E8BC0;
  line-height:1;
}
.app-card--primary .app-icon{color:#7EC8E3}
.app-card h3{margin-bottom:10px;font-size:1.1rem}
.app-card p{font-size:.88rem;color:#5a6a7a;line-height:1.7;margin-bottom:14px}
.app-card--primary p{color:#b0c4d8}
.app-product{
  font-size:.78rem;
  padding:4px 10px;
  border-radius:20px;
  background:#e8edf2;
  color:#5a6a7a;
  display:inline-block;
}

/* ============ QUALITY ============ */
.quality-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.quality-card{
  padding:36px;
  background:#fff;
  border-radius:12px;
  border:1px solid #e2e8f0;
}
.quality-card h3{margin-bottom:12px;color:#1B3A5C}
.quality-card p{font-size:.9rem;color:#5a6a7a;margin-bottom:12px}

/* ============ ABOUT ============ */
.about{background:#fff}
.about-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.about-content .section-eyebrow{text-align:left}
.about-content .section-title{text-align:left;margin-bottom:20px}
.about-content p{font-size:.95rem;color:#3d4f5f;line-height:1.8}

.about-values{display:flex;flex-direction:column;gap:24px}
.value-item{display:flex;gap:16px;align-items:flex-start}
.value-icon{
  width:44px;height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#f0f8ff;
  border-radius:10px;
  font-size:1.3rem;
  color:#2E8BC0;
  flex-shrink:0;
}
.value-item h4{margin-bottom:4px}
.value-item p{font-size:.88rem;color:#5a6a7a;margin:0}

/* ============ CTA BANNER ============ */
.cta-banner{
  padding:80px 0;
  background:linear-gradient(135deg,#2E8BC0 0%,#1B3A5C 100%);
  text-align:center;
  color:#fff;
}
.cta-banner h2{color:#fff;margin-bottom:12px}
.cta-banner p{color:rgba(255,255,255,.8);font-size:1.05rem;margin-bottom:28px}
.cta-banner .btn-primary{
  background:#fff;
  color:#1B3A5C;
  box-shadow:0 4px 16px rgba(0,0,0,.15);
}
.cta-banner .btn-primary:hover{background:#f0f4f8;transform:translateY(-2px)}

/* ============ CONTACT ============ */
.contact{background:#fff}
.contact-layout{
  display:grid;
  grid-template-columns:1fr 340px;
  gap:48px;
  align-items:start;
}
.contact-form{
  background:#f8f9fa;
  border-radius:12px;
  padding:40px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:20px}
.form-group label{
  display:block;
  font-size:.85rem;
  font-weight:600;
  color:#1B3A5C;
  margin-bottom:6px;
}
.form-group input,
.form-group select,
.form-group textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid #d6dfe8;
  border-radius:6px;
  font-size:.92rem;
  font-family:inherit;
  transition:border-color .2s;
  background:#fff;
  color:#2c3e50;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;
  border-color:#2E8BC0;
  box-shadow:0 0 0 3px rgba(46,139,192,.1);
}
.form-group textarea{resize:vertical}

.contact-info{padding-top:20px}
.info-item{margin-bottom:28px}
.info-item h4{margin-bottom:6px;color:#1B3A5C}
.info-item p{font-size:.92rem;color:#5a6a7a;margin:0}
.info-item a{color:#2E8BC0}
.info-item a:hover{text-decoration:underline}

/* Form success */
.form-success{
  text-align:center;
  padding:40px;
}
.form-success h3{color:#2E8BC0;margin-bottom:12px}
.form-success p{color:#5a6a7a}

/* ============ HERO VISUAL (legacy — now using bg photo) ============ */
.hero-visual{
  display:none; /* Replaced by background-image on .hero */
  position:absolute;
  right:5%;
  top:50%;
  transform:translateY(-50%);
  width:340px;
  opacity:.25;
  z-index:1;
  pointer-events:none;
}
.hero-visual .hero-illustration{width:100%;height:auto;filter:drop-shadow(0 8px 30px rgba(0,0,0,.2))}
@media(min-width:1100px){
  .hero-visual{opacity:.4}
}

/* ============ PRODUCT VISUAL ROW ============ */
.product-visual-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:start;
  margin-bottom:48px;
}
.product-photo{
  border-radius:12px;
  overflow:hidden;
  border:1px solid #e2e8f0;
  background:#f8f9fa;
  box-shadow:0 4px 16px rgba(0,0,0,.06);
}
.product-photo img{
  width:100%;
  height:320px;
  object-fit:cover;
}
.photo-caption{
  text-align:center;
  font-size:.82rem;
  color:#5a6a7a;
  padding:10px 16px 12px;
  margin:0;
  font-weight:500;
  letter-spacing:.5px;
}

/* ============ PRODUCT DIAGRAM ============ */
.product-diagram{
  background:#fff;
  border:1px solid #e2e8f0;
  border-radius:12px;
  padding:40px;
  margin-bottom:40px;
  text-align:center;
}
.diagram-title{margin-bottom:10px;font-size:1.3rem}
.diagram-desc{color:#5a6a7a;font-size:.92rem;max-width:600px;margin:0 auto 28px;line-height:1.7}
.diagram-image{max-width:500px;margin:0 auto}
.diagram-image img{width:100%;height:auto}

/* ============ APP SHOWCASE (Honeycomb blind) ============ */
.app-showcase{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
  background:#fff;
  border:2px solid #2E8BC0;
  border-radius:16px;
  padding:48px;
  margin-bottom:48px;
  box-shadow:0 4px 20px rgba(46,139,192,.08);
}
.app-showcase-text h3{margin-bottom:14px;font-size:1.25rem;color:#1B3A5C}
.app-showcase-text p{font-size:.92rem;color:#3d4f5f;line-height:1.8;margin-bottom:16px}
.app-showcase-tags{display:flex;flex-wrap:wrap;gap:8px}
.app-showcase-tags span{
  font-size:.78rem;
  font-weight:600;
  padding:6px 14px;
  border-radius:20px;
  background:#1B3A5C;
  color:#fff;
}
.app-showcase-image{display:flex;flex-direction:column;gap:16px;align-items:center}
.app-showcase-image .app-photo{
  width:100%;
  max-width:420px;
  height:280px;
  object-fit:cover;
  border-radius:10px;
  box-shadow:0 4px 16px rgba(0,0,0,.1);
}
.app-showcase-image .app-diagram{
  width:100%;
  max-width:380px;
  height:auto;
  border-radius:8px;
  opacity:.85;
}

/* ============ CAPABILITY DIAGRAM ============ */
.capability-diagram{
  margin-top:20px;
  background:rgba(0,0,0,.1);
  border-radius:8px;
  padding:16px;
  overflow-x:auto;
}
.capability-diagram img{width:100%;min-width:500px;height:auto}

/* ============ FOOTER LOGO ============ */
.footer-logo-img{height:32px;width:auto;margin-bottom:6px;opacity:.8}

/* ============ FOOTER ============ */
.footer{
  background:#0f2744;
  color:rgba(255,255,255,.6);
  padding:48px 0 24px;
}
.footer-content{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-bottom:28px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo-text{color:#fff;font-size:1.25rem}
.footer-brand p{font-size:.82rem;margin:4px 0 0;color:rgba(255,255,255,.4)}
.footer-links{display:flex;gap:28px}
.footer-links a{font-size:.85rem;color:rgba(255,255,255,.5);transition:color .2s}
.footer-links a:hover{color:#7EC8E3}
.footer-bottom{padding-top:20px;text-align:center}
.footer-bottom p{font-size:.78rem;color:rgba(255,255,255,.3);margin:0}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .strengths-grid{grid-template-columns:repeat(2,1fr)}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .quality-grid{grid-template-columns:repeat(2,1fr)}
  .about-layout{grid-template-columns:1fr;gap:40px}
  .contact-layout{grid-template-columns:1fr;gap:32px}
  .qc-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
  .section{padding:72px 0}
  .hero-visual{display:none}
  .app-showcase{grid-template-columns:1fr;padding:28px}
  .capability-diagram img{min-width:400px}
  .product-visual-row{grid-template-columns:1fr;gap:24px}
  .product-photo img{height:240px}
  .product-diagram{padding:24px 16px}

  /* Nav mobile */
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;
    top:0;right:-100%;
    width:280px;
    height:100vh;
    background:#1B3A5C;
    flex-direction:column;
    padding:80px 32px 40px;
    gap:24px;
    transition:right .35s ease;
    box-shadow:-4px 0 20px rgba(0,0,0,.3);
  }
  .nav-menu.open{right:0}
  .nav-link{font-size:1rem}
  .nav-cta{text-align:center;width:100%}

  /* Nav toggle animation */
  .nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

  .hero-content{padding-top:100px}
  .hero-title{font-size:clamp(1.8rem,6vw,2.6rem)}

  .strengths-grid{grid-template-columns:1fr 1fr;gap:20px}
  .product-grid{grid-template-columns:1fr}
  .app-showcase-row{grid-template-columns:1fr}
  .comparison-section{padding:24px 16px}
  .app-grid{grid-template-columns:1fr}
  .quality-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .qc-grid{grid-template-columns:1fr 1fr}

  .footer-content{flex-direction:column;gap:20px;text-align:center}
  .footer-links{flex-wrap:wrap;justify-content:center;gap:16px}
}

@media(max-width:480px){
  .container{padding:0 16px}
  .strengths-grid{grid-template-columns:1fr}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%;justify-content:center}
  .process-flow{flex-direction:column;align-items:stretch;text-align:center}
  .qc-grid{grid-template-columns:1fr}
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(30px)}
  to{opacity:1;transform:translateY(0)}
}
.fade-up{
  opacity:0;
  transform:translateY(30px);
  transition:all .6s cubic-bezier(.4,0,.2,1);
}
.fade-up.visible{opacity:1;transform:translateY(0)}