/* ===== Design tokens ===== */
:root{
  --color-primary:#2c485e;
  --color-dark:#151515;
  --color-dark-alt:#222222;
  --color-text-body:#666666;
  --color-bg-light:#f4f4f6;
  --color-bg-tint:#ebf1f5;
  --color-border:#e2e2e6;
  --color-white:#ffffff;

  --font-primary:'Archivo', sans-serif;
  --font-secondary:'Inter', sans-serif;

  --space-xs:4px;
  --space-sm:8px;
  --space-md:16px;
  --space-lg:24px;
  --space-xl:32px;
  --space-2xl:48px;
  --space-3xl:56px;
  --space-4xl:80px;
  --space-5xl:100px;
  --space-6xl:120px;

  --radius:4px;
  --container-max:1280px;
  --container-pad:80px;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-primary);
  color:var(--color-dark);
  background:var(--color-white);
  line-height:1.5;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
ul{list-style:none;}
svg{display:block;}

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

/* ===== Reusable atoms ===== */
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 12px;
  border-radius:var(--radius);
  background:var(--color-bg-tint);
  color:var(--color-primary);
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.02em;
}
.tag--outline{background:rgba(255,255,255,.12);color:#fff;}
.tag--dark{background:rgba(255,255,255,.08);color:#fff;}

.section-header{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:var(--space-md);
  text-align:center;
  max-width:800px;
  margin:0 auto var(--space-3xl);
}
.section-header--left{align-items:flex-start;text-align:left;margin-left:0;}
.section-header--split{
  flex-direction:row;
  align-items:flex-end;
  justify-content:space-between;
  text-align:left;
  max-width:none;
  margin:0 0 var(--space-3xl);
  gap:var(--space-xl);
}
.section-header--split .section-header__title-group{max-width:640px;}

h1,h2,h3,h4{font-weight:700;line-height:1.2;color:var(--color-dark);}
.section-title{font-size:36px;line-height:1.2;font-weight:700;}
.section-desc{font-size:16px;line-height:1.6;color:var(--color-text-body);}
.section-desc--light{color:rgba(255,255,255,.6);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 24px;
  border-radius:var(--radius);
  font-size:14px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.02em;
  transition:opacity .2s ease, transform .2s ease;
  border:1px solid transparent;
  white-space:nowrap;
}
.btn:hover{opacity:.85;}
.btn svg{width:14px;height:14px;flex-shrink:0;}
.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff;}
.btn-white{background:#fff;border-color:#fff;color:var(--color-dark);}
.btn-outline-white{background:transparent;border-color:#fff;color:#fff;}
.btn-block{width:100%;}

/* ===== Nav ===== */
.nav-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--color-border);
}
.nav-container{
  max-width:var(--container-max);
  margin:0 auto;
  padding:0 64px;
  height:88px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--space-xl);
}
.logo-container{display:flex;align-items:center;gap:12px;}
.logo-img{width:44px;height:44px;object-fit:contain;}
.logo-text{display:flex;flex-direction:column;gap:2px;}
.logo-name{font-size:18px;font-weight:800;color:var(--color-dark);letter-spacing:.01em;}
.logo-tagline{font-size:9px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-primary);}

.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.02em;color:var(--color-dark);}
.nav-links a:hover{color:var(--color-primary);}

.nav-cta{display:flex;align-items:center;gap:16px;}
.contact-phone{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
.contact-phone svg{width:16px;height:16px;color:var(--color-primary);}

.nav-phone-icon{display:none;}
.hamburger{display:none;width:36px;height:36px;align-items:center;justify-content:center;background:var(--color-primary);border-radius:var(--radius);color:#fff;}
.hamburger svg{width:18px;height:18px;}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:680px;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  padding:var(--space-6xl) var(--container-pad);
}
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:rgba(21,21,21,.65);
}
.hero-content{
  position:relative;z-index:1;
  max-width:800px;
  display:flex;
  flex-direction:column;
  gap:var(--space-lg);
}
.hero-content h1{font-size:56px;color:#fff;line-height:1.1;}
.hero-content p{font-size:16px;line-height:1.6;color:rgba(255,255,255,.6);max-width:800px;}
.hero-ctas{display:flex;gap:16px;margin-top:var(--space-sm);flex-wrap:wrap;}

/* ===== Trust indicators ===== */
.trust-indicators{
  padding:var(--space-4xl) 0;
  border-bottom:1px solid var(--color-border);
}
.trust-header{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:var(--space-xl);
  margin-bottom:var(--space-2xl);
  flex-wrap:wrap;
}
.trust-title-group{display:flex;flex-direction:column;gap:12px;max-width:640px;}
.trust-header p{font-size:16px;color:var(--color-text-body);max-width:500px;line-height:1.6;}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--space-xl);
}
.indicator-card{
  background:var(--color-bg-light);
  border-radius:var(--radius);
  padding:var(--space-xl);
  display:flex;
  flex-direction:column;
  gap:var(--space-md);
}
.icon-box{
  width:48px;height:48px;
  background:#fff;
  border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
}
.icon-box svg{width:24px;height:24px;color:var(--color-primary);}
.indicator-card h3{font-size:18px;}
.indicator-card p{font-size:14px;color:var(--color-text-body);line-height:1.5;}

/* ===== Services grid ===== */
.services-grid-section{background:var(--color-bg-light);padding:var(--space-5xl) 0;}
.services-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.service-card{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.service-card img{width:100%;height:160px;object-fit:cover;}
.service-card-text{padding:var(--space-lg);display:flex;flex-direction:column;gap:12px;flex:1;}
.service-card-text h3{font-size:20px;}
.service-card-text p{font-size:14px;color:var(--color-text-body);line-height:1.5;flex:1;}
.learn-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;color:var(--color-primary);
  padding-top:8px;
}
.learn-more svg{width:12px;height:12px;}

/* ===== Featured services ===== */
.featured-services{padding:var(--space-6xl) 0;}
.featured-row{
  display:flex;
  align-items:center;
  gap:80px;
  margin-bottom:100px;
}
.featured-row:last-child{margin-bottom:0;}
.featured-row.reverse{flex-direction:row-reverse;}
.featured-row img{width:600px;max-width:50%;height:450px;object-fit:cover;border-radius:var(--radius);flex-shrink:0;}
.featured-text-block{display:flex;flex-direction:column;gap:var(--space-lg);flex:1;}
.featured-text-block h3{font-size:32px;line-height:1.2;}
.featured-text-block p{font-size:16px;color:var(--color-text-body);line-height:1.6;}
.featured-text-block .cta-action{margin-top:8px;}

/* ===== About ===== */
.about-us{background:var(--color-bg-light);padding:var(--space-6xl) 0;}
.about-flex{display:flex;align-items:center;gap:80px;}
.about-flex img{width:560px;max-width:45%;height:620px;object-fit:cover;border-radius:var(--radius);flex-shrink:0;}
.about-content{flex:1;display:flex;flex-direction:column;gap:32px;}
.about-title-group{display:flex;flex-direction:column;gap:16px;}
.about-title-group p{font-size:16px;color:var(--color-text-body);line-height:1.6;}
.why-choose-points{display:flex;flex-direction:column;gap:20px;}
.choose-point{display:flex;gap:16px;align-items:flex-start;}
.check-box{
  width:24px;height:24px;border-radius:50%;background:var(--color-bg-tint);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px;
}
.check-box svg{width:14px;height:14px;color:var(--color-primary);}
.point-text h4{font-size:16px;}
.point-text p{font-size:14px;color:var(--color-text-body);}

/* ===== Portfolio ===== */
.portfolio{padding:var(--space-6xl) 0;}
.portfolio-header{
  display:flex;justify-content:space-between;align-items:flex-end;gap:var(--space-xl);
  margin-bottom:var(--space-2xl);flex-wrap:wrap;
}
.portfolio-title-group{display:flex;flex-direction:column;gap:12px;}
.portfolio-filters{display:flex;gap:12px;flex-wrap:wrap;}
.filter-tab{
  padding:8px 16px;border-radius:var(--radius);background:var(--color-bg-light);
  color:var(--color-text-body);font-size:13px;font-weight:700;text-transform:uppercase;
}
.filter-tab.active{background:var(--color-primary);color:#fff;}
.portfolio-masonry{display:flex;flex-direction:column;gap:24px;}
.masonry-row{display:flex;gap:24px;}
.masonry-row img{border-radius:var(--radius);object-fit:cover;flex:1;min-width:0;width:100%;}
.masonry-row-1 img{height:360px;}
.masonry-row-2 img{height:280px;}

/* ===== Project spotlight ===== */
.spotlight{
  display:flex;
  background:var(--color-dark);
  min-height:540px;
}
.spotlight img{flex:1;object-fit:cover;width:100%;min-width:0;min-height:320px;}
.spotlight-content{
  flex:1;
  min-width:0;
  background:var(--color-dark-alt);
  display:flex;
  align-items:center;
  padding:80px;
}
.spotlight-text{display:flex;flex-direction:column;gap:16px;color:#fff;}
.spotlight-text h2{font-size:36px;color:#fff;}
.spotlight-text blockquote{font-size:24px;line-height:1.4;font-style:normal;}
.spotlight-text .quote-caption{font-size:16px;color:rgba(255,255,255,.6);}
.spotlight-cta{margin-top:8px;}

/* ===== Why choose us ===== */
.why-choose-us{background:var(--color-dark);padding:var(--space-6xl) 0;}
.why-choose-us .section-desc{color:rgba(255,255,255,.6);}
.why-choose-us .section-title{color:#fff;}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.why-card{
  background:var(--color-dark-alt);
  border-radius:var(--radius);
  padding:32px;
  display:flex;flex-direction:column;gap:16px;
}
.why-card .icon-box{width:40px;height:40px;background:var(--color-primary);}
.why-card .icon-box svg{width:20px;height:20px;color:#fff;}
.why-card h3{font-size:20px;color:#fff;}
.why-card p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.5;}

/* ===== Reviews ===== */
.reviews{background:var(--color-bg-light);padding:var(--space-6xl) 0;}
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.review-card{
  background:#fff;border:1px solid var(--color-border);border-radius:var(--radius);
  padding:40px;display:flex;flex-direction:column;gap:20px;
}
.stars-group{display:flex;gap:4px;}
.stars-group svg{width:16px;height:16px;color:var(--color-primary);fill:var(--color-primary);}
.review-card blockquote{font-size:16px;line-height:1.6;}
.reviewer{display:flex;flex-direction:column;gap:2px;}
.reviewer .name{font-size:14px;font-weight:700;}
.reviewer .role{font-size:12px;color:var(--color-text-body);font-family:var(--font-secondary);}

/* ===== CTA banner ===== */
.cta-banner{
  position:relative;
  min-height:400px;
  display:flex;align-items:center;justify-content:center;
  background-size:cover;background-position:center;
  padding:0 var(--container-pad);
  text-align:center;
}
.cta-banner::before{content:'';position:absolute;inset:0;background:rgba(21,21,21,.7);}
.cta-banner-content{position:relative;z-index:1;max-width:800px;display:flex;flex-direction:column;align-items:center;gap:16px;}
.cta-banner-content h2{font-size:36px;color:#fff;}
.cta-banner-content p{font-size:16px;color:rgba(255,255,255,.6);}
.banner-ctas{display:flex;gap:16px;margin-top:8px;flex-wrap:wrap;justify-content:center;}

/* ===== Contact ===== */
.contact{padding:var(--space-6xl) 0;}
.contact-flex{display:flex;gap:80px;align-items:flex-start;}
.contact-info{flex:1;max-width:480px;display:flex;flex-direction:column;gap:32px;}
.contact-heading-group{display:flex;flex-direction:column;gap:16px;}
.contact-heading-group p{font-size:16px;color:var(--color-text-body);line-height:1.6;}
.contact-details{display:flex;flex-direction:column;gap:24px;}
.info-detail{display:flex;gap:16px;align-items:center;}
.info-icon{
  width:40px;height:40px;background:var(--color-bg-light);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.info-icon svg{width:18px;height:18px;color:var(--color-primary);}
.info-text{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0;}
.info-text .label{font-size:11px;text-transform:uppercase;color:var(--color-text-body);font-family:var(--font-secondary);}
.info-text .value{font-size:15px;font-weight:700;word-break:break-word;}

.contact-form{
  flex:1;
  background:var(--color-bg-light);
  border-radius:var(--radius);
  padding:48px;
  display:flex;flex-direction:column;gap:24px;
}
.contact-form h3{font-size:24px;}
.form-fields{display:flex;flex-direction:column;gap:16px;}
.form-row{display:flex;gap:16px;}
.form-field{flex:1;display:flex;flex-direction:column;gap:8px;}
.form-field label{font-size:12px;font-weight:700;font-family:var(--font-secondary);}
.form-field input,.form-field select,.form-field textarea{
  font-family:var(--font-secondary);
  font-size:14px;
  padding:12px;
  border-radius:var(--radius);
  border:1px solid var(--color-border);
  background:#fff;
  color:var(--color-dark);
  width:100%;
}
.form-field textarea{resize:vertical;min-height:100px;}
.form-field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;}
.form-status{font-size:14px;font-family:var(--font-secondary);display:none;}
.form-status.visible{display:block;}
.form-status.success{color:#1a7a3a;}
.form-status.error{color:#b3261e;}

/* ===== Footer ===== */
.footer{background:var(--color-dark);color:#fff;padding:var(--space-4xl) 0 var(--space-xl);}
.footer-top{display:flex;justify-content:space-between;gap:var(--space-xl);flex-wrap:wrap;margin-bottom:60px;}
.footer-brand{display:flex;flex-direction:column;gap:20px;max-width:400px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-tagline{color:var(--color-bg-tint);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.5;}
.social-media{display:flex;gap:12px;}
.social-box{
  width:36px;height:36px;background:var(--color-dark-alt);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
}
.social-box svg{width:16px;height:16px;color:#fff;}
.footer-links-columns{display:flex;gap:80px;flex-wrap:wrap;}
.footer-col h4{font-size:14px;text-transform:uppercase;color:#fff;margin-bottom:20px;}
.footer-col a,.footer-col li{display:block;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:21px;}
.footer-col a:last-child{margin-bottom:0;}
.footer-divider{border:none;border-top:1px solid var(--color-dark-alt);margin-bottom:24px;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.6);font-family:var(--font-secondary);}
.footer-bottom a{text-decoration:underline;text-underline-offset:2px;}
.footer-bottom a:hover{color:#fff;}
.footer-bottom-links{display:flex;gap:24px;flex-wrap:wrap;}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .trust-grid,.services-grid,.why-grid{grid-template-columns:repeat(2,1fr);}
  .reviews-grid{grid-template-columns:1fr;}
  .masonry-row{flex-wrap:wrap;}
  .masonry-row img{min-width:calc(50% - 12px);}
}

@media (max-width:900px){
  :root{--container-pad:20px;}
  .nav-container{padding:0 20px;height:68px;}
  .nav-links,.nav-cta{display:none;}
  .logo-img{width:48px;height:36px;}
  .mobile-nav-actions{display:flex;align-items:center;gap:12px;}
  .nav-phone-icon{
    display:flex;align-items:center;justify-content:center;
    width:36px;height:36px;border:1px solid var(--color-primary);
    border-radius:var(--radius);color:var(--color-primary);flex-shrink:0;
  }
  .nav-phone-icon svg{width:16px;height:16px;}
  .hamburger{display:flex;}

  /* Section vertical rhythm matches the mobile frame's uniform 60px padding */
  .trust-indicators,
  .services-grid-section,
  .featured-services,
  .about-us,
  .portfolio,
  .why-choose-us,
  .reviews,
  .contact{padding:60px 0;}

  .hero{min-height:auto;padding:60px 20px;}
  .hero-content h1{font-size:32px;line-height:1.15;}
  .hero-content p{font-size:15px;}
  .hero-ctas{flex-direction:column;align-items:stretch;flex-wrap:nowrap;gap:12px;}
  .hero-ctas .btn{width:100%;}
  .tag--outline{border:1px solid #fff;}

  .section-title{font-size:28px;font-weight:800;}
  .indicator-card h3{font-size:16px;}

  .section-header--split{flex-direction:column;align-items:flex-start;}
  .featured-row,.featured-row.reverse{flex-direction:column;}
  .featured-row img{width:100%;max-width:100%;height:320px;}
  .about-flex{flex-direction:column;}
  .about-flex img{width:100%;max-width:100%;height:360px;}
  .trust-grid,.services-grid,.why-grid{grid-template-columns:1fr;}

  .spotlight{flex-direction:column;}
  .spotlight img{height:200px;}
  .spotlight-content{padding:24px;}
  .spotlight-text h2{font-size:22px;}

  .contact-flex{flex-direction:column;}
  .contact-info{max-width:100%;}
  .contact-form{padding:24px;width:100%;}
  .form-row{flex-direction:column;}
  .footer-top{flex-direction:column;gap:40px;}
  .footer-links-columns{gap:40px;}
  .cta-banner{padding:60px 20px;}
  .cta-banner-content h2{font-size:28px;}
}

.nav-links.open{
  display:flex;
  position:absolute;
  top:68px;left:0;right:0;
  background:#fff;
  flex-direction:column;
  align-items:flex-start;
  padding:24px 20px;
  gap:20px;
  border-bottom:1px solid var(--color-border);
  box-shadow:0 8px 16px rgba(0,0,0,.06);
  z-index:99;
}
.nav-extra{display:none;}
.nav-links.open .nav-extra{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
  width:100%;
  margin-top:4px;
  padding-top:16px;
  border-top:1px solid var(--color-border);
}
.nav-links.open .nav-extra .contact-phone{display:flex;}
.nav-links.open .nav-extra .btn{width:100%;}