/* =========================================================
   INTEGRITY CONTRACTORS LIMITED — STYLESHEET
   ========================================================= */

:root{
  --navy:#0d1b2a;
  --navy-2:#132a45;
  --navy-3:#1b3a5c;
  --accent:#f59e0b;
  --accent-dark:#d97706;
  --light:#f6f8fb;
  --white:#ffffff;
  --text:#33475b;
  --muted:#6b7c93;
  --border:#e3e9f0;
  --whatsapp:#25D366;
  --whatsapp-dark:#1ebe5b;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(13,27,42,.06);
  --shadow-md:0 10px 30px rgba(13,27,42,.10);
  --shadow-lg:0 20px 50px rgba(13,27,42,.18);
  --container:1180px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;scroll-padding-top:90px;}
body{
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.7;color:var(--text);background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
h1,h2,h3,h4{font-family:'Poppins',sans-serif;color:var(--navy);line-height:1.25;font-weight:700;}
h1{font-size:clamp(2rem,4.5vw,3.4rem);}
h2{font-size:clamp(1.6rem,3vw,2.4rem);}
h3{font-size:1.2rem;}
p{color:var(--text);}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--light);}

/* ---------- Section Headings ---------- */
.section-head{max-width:760px;margin:0 auto 56px;text-align:center;}
.section-eyebrow{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent-dark);margin-bottom:14px;
}
.section-head h2{position:relative;display:inline-block;}
.section-head h2::after{
  content:"";display:block;width:64px;height:4px;background:var(--accent);
  border-radius:2px;margin:18px auto 0;
}
.section-lead{margin-top:18px;color:var(--muted);font-size:1.02rem;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:all .25s ease;
  font-family:'Inter',sans-serif;
}
.btn-accent{background:var(--accent);color:var(--navy);}
.btn-accent:hover{background:var(--accent-dark);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:var(--white);color:var(--navy);border-color:var(--white);}
.btn-block{width:100%;}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:transparent;transition:background .3s ease, box-shadow .3s ease, padding .3s ease;
  padding:18px 0;
}
.site-header.scrolled{
  background:rgba(13,27,42,.97);backdrop-filter:blur(10px);
  box-shadow:0 4px 20px rgba(0,0,0,.25);padding:10px 0;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;}

.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.brand-logo{height:52px;width:auto;transition:height .3s ease;flex-shrink:0;}
.site-header.scrolled .brand-logo{height:44px;}

.brand-text{
  display:flex;flex-direction:column;
  line-height:1.15;
  gap:5px;
  justify-content:center;
}
.brand-text strong{
  font-family:'Poppins',sans-serif;
  font-weight:800;
  font-size:1.08rem;
  color:var(--white);
  letter-spacing:-.01em;
  white-space:nowrap;
  display:block;
}
.brand-text small{
  font-size:.72rem;
  color:var(--accent);
  letter-spacing:.1em;
  font-weight:600;
  display:block;
}

.nav{display:flex;align-items:center;gap:32px;}
.nav a{
  color:rgba(255,255,255,.88);font-size:.93rem;font-weight:500;position:relative;
  transition:color .2s ease;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;
  background:var(--accent);transition:width .25s ease;
}
.nav a:hover{color:var(--white);}
.nav a:hover::after{width:100%;}

.header-cta{padding:11px 22px;font-size:.88rem;flex-shrink:0;}

.menu-toggle{
  display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;
}
.menu-toggle span{display:block;width:26px;height:2.5px;background:var(--white);border-radius:2px;transition:all .3s ease;}
.menu-toggle.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg);}
.menu-toggle.active span:nth-child(2){opacity:0;}
.menu-toggle.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg);}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:url('images/hero-background.jpg') center/cover no-repeat;
  color:var(--white);padding:120px 0 80px;overflow:hidden;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg, rgba(13,27,42,.92) 0%, rgba(13,27,42,.72) 45%, rgba(13,27,42,.45) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:780px;}
.hero-eyebrow{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);margin-bottom:22px;
  padding:8px 16px;border:1px solid rgba(245,158,11,.4);border-radius:40px;
  background:rgba(245,158,11,.08);
}
.hero h1{color:var(--white);margin-bottom:22px;letter-spacing:-.02em;}
.hero h1 span{color:var(--accent);}
.hero-sub{font-size:1.12rem;color:rgba(255,255,255,.85);margin-bottom:38px;max-width:600px;}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* =========================================================
   STATS BAND
   ========================================================= */
.stats-band{background:var(--navy-2);padding:56px 0;}
.stats-grid{display:flex;align-items:center;justify-content:center;gap:80px;flex-wrap:wrap;}
.stat{text-align:center;}
.stat-num{
  font-family:'Poppins',sans-serif;font-weight:800;font-size:clamp(2.4rem,5vw,3.6rem);
  color:var(--accent);line-height:1;letter-spacing:-.02em;
}
.stat-label{
  margin-top:10px;color:rgba(255,255,255,.8);font-size:.95rem;font-weight:500;
  letter-spacing:.05em;text-transform:uppercase;
}
.stat-divider{width:1px;height:70px;background:rgba(255,255,255,.18);}

/* =========================================================
   ABOUT
   ========================================================= */
.about-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;
  margin-bottom:80px;
}
.about-copy h3{font-size:1.5rem;margin-bottom:18px;}
.about-copy p{margin-bottom:16px;color:var(--text);}
.about-image{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;background:var(--light);
}
.about-image img{width:100%;height:100%;object-fit:cover;}

/* Vision & Mission */
.vm-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:80px;}
.vm-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:38px 34px;box-shadow:var(--shadow-sm);transition:transform .25s ease, box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.vm-card::before{
  content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:var(--accent);
}
.vm-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.vm-icon{
  width:52px;height:52px;border-radius:12px;background:rgba(245,158,11,.12);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.vm-icon svg{width:26px;height:26px;color:var(--accent-dark);}
.vm-card h3{margin-bottom:12px;font-size:1.3rem;}
.vm-card p{color:var(--muted);}

/* Core Values */
.values-block{margin-bottom:80px;}
.block-title{
  font-size:1.5rem;margin-bottom:32px;text-align:center;position:relative;
}
.block-title::after{
  content:"";display:block;width:48px;height:3px;background:var(--accent);
  border-radius:2px;margin:14px auto 0;
}
.values-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
}
.value-card{
  background:var(--light);border-radius:var(--radius);padding:28px 22px;
  border:1px solid var(--border);transition:all .25s ease;text-align:center;
}
.value-card:hover{background:var(--white);box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--accent);}
.value-dot{
  display:block;width:12px;height:12px;border-radius:50%;background:var(--accent);
  margin:0 auto 16px;
}
.value-card h4{font-size:1rem;margin-bottom:8px;}
.value-card p{font-size:.88rem;color:var(--muted);line-height:1.55;}

/* What We Do */
.what-we-do{
  max-width:900px;margin:0 auto;text-align:center;
  background:var(--light);padding:48px 40px;border-radius:var(--radius);
  border-left:4px solid var(--accent);
}
.what-we-do p{color:var(--text);font-size:1.02rem;}

/* =========================================================
   SERVICES
   ========================================================= */
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px;
}
.service-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 30px;transition:all .3s ease;position:relative;overflow:hidden;
}
.service-card::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:3px;
  background:var(--accent);transition:width .35s ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent;}
.service-card:hover::after{width:100%;}
.service-icon{
  width:56px;height:56px;border-radius:12px;background:var(--navy);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;
  transition:background .3s ease;
}
.service-icon svg{width:26px;height:26px;color:var(--accent);transition:color .3s ease;}
.service-card:hover .service-icon{background:var(--accent);}
.service-card:hover .service-icon svg{color:var(--navy);}
.service-card h3{font-size:1.08rem;margin-bottom:12px;line-height:1.4;}
.service-card p{font-size:.92rem;color:var(--muted);}

/* =========================================================
   PROJECTS
   ========================================================= */
.projects-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:24px;
}
.project-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:4/3;background:var(--navy);box-shadow:var(--shadow-sm);
  transition:transform .3s ease, box-shadow .3s ease;cursor:zoom-in;
}
.project-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.project-card img{
  width:100%;height:100%;object-fit:cover;transition:transform .6s ease;
}
.project-card:hover img{transform:scale(1.06);}
.project-card figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:22px 20px 18px;
  background:linear-gradient(to top, rgba(13,27,42,.95) 0%, rgba(13,27,42,.65) 60%, transparent 100%);
  color:var(--white);font-family:'Poppins',sans-serif;font-weight:600;
  font-size:.98rem;line-height:1.35;
}
.project-card::before{
  content:"";position:absolute;top:0;left:0;width:0;height:4px;background:var(--accent);
  z-index:2;transition:width .35s ease;
}
.project-card:hover::before{width:100%;}

/* =========================================================
   PARTNERS
   ========================================================= */
.partners-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px;
  max-width:720px;margin:0 auto 40px;
}
.partner-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 28px;text-align:center;transition:all .3s ease;
}
.partner-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.partner-card img{
  height:70px;width:auto;margin:0 auto 18px;object-fit:contain;
}
.partner-card h4{font-size:1rem;color:var(--navy);}
.partners-note{
  max-width:760px;margin:0 auto;text-align:center;color:var(--muted);
  font-size:.98rem;line-height:1.7;
}

/* =========================================================
   CONTACT
   ========================================================= */
.contact-grid{
  display:grid;grid-template-columns:1.5fr 1fr;gap:48px;margin-bottom:56px;
}
.contact-form{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.form-group{margin-bottom:20px;display:flex;flex-direction:column;}
.form-group label{
  font-size:.85rem;font-weight:600;color:var(--navy);margin-bottom:8px;
  letter-spacing:.02em;
}
.form-group input,
.form-group select,
.form-group textarea{
  font-family:'Inter',sans-serif;font-size:.95rem;color:var(--text);
  padding:13px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  background:var(--light);transition:all .2s ease;width:100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  outline:none;border-color:var(--accent);background:var(--white);
  box-shadow:0 0 0 4px rgba(245,158,11,.12);
}
.form-group textarea{resize:vertical;min-height:120px;}
.form-note{margin-top:14px;font-size:.82rem;color:var(--muted);text-align:center;}

.contact-info{display:flex;flex-direction:column;gap:20px;}
.info-block{
  background:var(--navy);color:var(--white);border-radius:var(--radius);
  padding:24px 26px;border-left:4px solid var(--accent);
}
.info-block h4{
  color:var(--accent);font-size:.82rem;text-transform:uppercase;
  letter-spacing:.14em;margin-bottom:12px;font-weight:700;
}
.info-block p{color:rgba(255,255,255,.88);font-size:.92rem;line-height:1.75;}
.info-block a{color:rgba(255,255,255,.88);transition:color .2s ease;word-break:break-word;}
.info-block a:hover{color:var(--accent);}

/* WhatsApp variant */
.info-block.whatsapp-block{border-left-color:var(--whatsapp);}
.info-block.whatsapp-block h4{color:var(--whatsapp);}
.info-block.whatsapp-block a:hover{color:var(--whatsapp);}

.map-wrap{
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);
  height:400px;border:1px solid var(--border);
}
.map-wrap iframe{width:100%;height:100%;border:0;display:block;}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{background:var(--navy);color:rgba(255,255,255,.75);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:56px;
}
.footer-logo{height:52px;width:auto;margin-bottom:20px;}
.footer-col p{font-size:.9rem;line-height:1.75;margin-bottom:14px;color:rgba(255,255,255,.7);}
.footer-rc{color:var(--accent) !important;font-weight:600;letter-spacing:.08em;}
.footer-col h4{
  color:var(--white);font-size:.95rem;margin-bottom:20px;position:relative;
  padding-bottom:12px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;background:var(--accent);
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a,
.footer-col p a{
  font-size:.9rem;color:rgba(255,255,255,.7);transition:color .2s ease;
}
.footer-col ul a:hover,
.footer-col p a:hover{color:var(--accent);}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
}
.footer-bottom p{
  font-size:.85rem;color:rgba(255,255,255,.55);text-align:center;
}

/* =========================================================
   FLOATING WHATSAPP BUTTON
   ========================================================= */
.whatsapp-float{
  position:fixed;
  bottom:24px;
  right:24px;
  width:60px;
  height:60px;
  background:var(--whatsapp);
  color:var(--white);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 8px 24px rgba(37,211,102,.45);
  z-index:999;
  transition:transform .3s ease, box-shadow .3s ease, background .3s ease;
  animation:whatsappPulse 2.4s infinite;
}
.whatsapp-float:hover{
  background:var(--whatsapp-dark);
  transform:scale(1.1);
  box-shadow:0 12px 32px rgba(37,211,102,.6);
  animation-play-state:paused;
}
.whatsapp-float svg{width:34px;height:34px;display:block;}

@keyframes whatsappPulse{
  0%{box-shadow:0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.65);}
  70%{box-shadow:0 8px 24px rgba(37,211,102,.45), 0 0 0 18px rgba(37,211,102,0);}
  100%{box-shadow:0 8px 24px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,0);}
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce){
  .whatsapp-float{animation:none;}
}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox{
  position:fixed;inset:0;
  background:rgba(13,27,42,.95);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  z-index:2000;
  display:flex;align-items:center;justify-content:center;
  padding:60px 24px;
  opacity:0;visibility:hidden;
  transition:opacity .3s ease, visibility .3s ease;
}
.lightbox.open{opacity:1;visibility:visible;}

.lightbox-content{
  max-width:1100px;width:100%;text-align:center;
  transform:scale(.95);
  transition:transform .35s ease;
}
.lightbox.open .lightbox-content{transform:scale(1);}

.lightbox-content img{
  max-width:100%;
  max-height:78vh;
  width:auto;height:auto;
  margin:0 auto;
  border-radius:var(--radius-sm);
  box-shadow:0 24px 70px rgba(0,0,0,.65);
  display:block;
}

.lightbox-caption{
  color:rgba(255,255,255,.92);
  font-family:'Poppins',sans-serif;
  font-weight:600;
  font-size:1.05rem;
  margin-top:20px;
  line-height:1.45;
  letter-spacing:.01em;
}

.lightbox-close{
  position:absolute;top:22px;right:24px;
  width:48px;height:48px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  color:var(--white);
  border:none;cursor:pointer;
  font-size:30px;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:background .25s ease, transform .25s ease, color .25s ease;
  z-index:2;
}
.lightbox-close:hover{
  background:var(--accent);
  color:var(--navy);
  transform:rotate(90deg);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px){
  .values-grid{grid-template-columns:repeat(3,1fr);}
  .about-grid{grid-template-columns:1fr;gap:40px;}
  .about-image{max-width:600px;margin:0 auto;}
  .contact-grid{grid-template-columns:1fr;gap:36px;}
}

@media (max-width: 860px){
  .section{padding:72px 0;}
  .stats-grid{gap:44px;}
  .stat-divider{height:50px;}
  .vm-grid{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}

  /* Mobile nav */
  .menu-toggle{display:flex;}
  .header-cta{display:none;}
  .nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;align-items:stretch;
    background:var(--navy);padding:0 24px;
    max-height:0;overflow:hidden;transition:max-height .35s ease, padding .35s ease;
    box-shadow:0 12px 30px rgba(0,0,0,.3);
  }
  .nav.open{max-height:520px;padding:16px 24px 24px;}
  .nav a{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:1rem;}
  .nav a::after{display:none;}
}

@media (max-width: 620px){
  .container{padding:0 18px;}
  .hero{min-height:92vh;padding:110px 0 70px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .stats-grid{flex-direction:column;gap:26px;}
  .stat-divider{width:60px;height:1px;}
  .values-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .contact-form{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .map-wrap{height:300px;}
  .brand-text{display:none;}

  /* WhatsApp button on mobile */
  .whatsapp-float{bottom:18px;right:18px;width:54px;height:54px;}
  .whatsapp-float svg{width:30px;height:30px;}

  /* Lightbox on mobile */
  .lightbox{padding:44px 14px;}
  .lightbox-close{top:14px;right:14px;width:42px;height:42px;font-size:26px;}
  .lightbox-content img{max-height:70vh;}
  .lightbox-caption{font-size:.95rem;margin-top:14px;}
}