/* ==========================================================================
   A1 Development Limited — Site Stylesheet
   ========================================================================== */

:root{
  --navy-950:#03111e;
  --navy-900:#071c30;
  --navy-800:#0b2740;
  --navy-700:#123454;
  --blue-700:#00417f;
  --blue-600:#0568b3;
  --blue-500:#0f83d6;
  --blue-400:#2ea3ec;
  --blue-100:#e7f3fc;
  --red:#dc1e2c;
  --gold:#f6c400;
  --green:#009345;
  --black:#111111;
  --ink:#1c2a36;
  --grey-700:#4a5a68;
  --grey-500:#7c8b98;
  --grey-200:#e4eaef;
  --grey-100:#f2f5f8;
  --white:#ffffff;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 10px rgba(3,17,30,.06);
  --shadow-md:0 12px 32px rgba(3,17,30,.10);
  --shadow-lg:0 24px 60px rgba(3,17,30,.16);
  --container:1200px;
  --ff-head:'Poppins',ui-sans-serif,system-ui,Segoe UI,Arial,sans-serif;
  --ff-body:'Inter',ui-sans-serif,system-ui,Segoe UI,Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
svg{width:1em;height:1em;display:inline-block;vertical-align:-0.14em;flex-shrink:0;}
h1,h2,h3,h4{
  font-family:var(--ff-head);
  color:var(--navy-900);
  line-height:1.22;
  margin:0 0 .5em;
  font-weight:600;
}
h1{font-size:clamp(2.1rem,4.4vw,3.4rem); font-weight:700; letter-spacing:-.01em;}
h2{font-size:clamp(1.7rem,3vw,2.4rem); font-weight:700; letter-spacing:-.01em;}
h3{font-size:1.28rem;}
p{margin:0 0 1em; color:var(--grey-700);}
ul{margin:0; padding:0;}
.container{max-width:var(--container); margin:0 auto; padding:0 24px;}
section{position:relative;}
.section-pad{padding:88px 0;}
@media (max-width:780px){ .section-pad{padding:56px 0;} }

/* ---------- Flag accent bar (echoes the logo's colour strip) ---------- */
.flagbar{display:flex; gap:6px; width:78px; height:5px; border-radius:3px; overflow:hidden; margin-bottom:22px;}
.flagbar span{flex:1; display:block;}
.flagbar span:nth-child(1){background:var(--red);}
.flagbar span:nth-child(2){background:var(--gold);}
.flagbar span:nth-child(3){background:var(--green);}
.flagbar span:nth-child(4){background:var(--black);}
.flagbar.center{margin-left:auto; margin-right:auto;}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--ff-head); font-weight:600; font-size:.78rem;
  letter-spacing:.14em; text-transform:uppercase; color:var(--blue-600);
  margin-bottom:14px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:14px 28px; border-radius:999px; font-family:var(--ff-head);
  font-weight:600; font-size:.96rem; border:2px solid transparent; cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--red); color:var(--white); box-shadow:0 10px 24px rgba(220,30,44,.28);}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 14px 30px rgba(220,30,44,.36);}
.btn-light{background:var(--white); color:var(--navy-900);}
.btn-light:hover{transform:translateY(-2px); box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn-outline{background:transparent; border-color:rgba(255,255,255,.55); color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,.12); border-color:#fff;}
.btn-outline-navy{background:transparent; border-color:var(--navy-800); color:var(--navy-800);}
.btn-outline-navy:hover{background:var(--navy-900); color:var(--white);}
.btn-block{width:100%;}

/* ==========================================================================
   Header
   ========================================================================== */
.topbar{
  background:var(--navy-950); color:#c9d6e2; font-size:.82rem;
}
.topbar .container{display:flex; align-items:center; justify-content:space-between; padding-top:8px; padding-bottom:8px; flex-wrap:wrap; gap:6px;}
.topbar-links{display:flex; gap:22px; flex-wrap:wrap;}
.topbar-links a{display:inline-flex; align-items:center; gap:7px; color:#c9d6e2; transition:color .15s;}
.topbar-links a:hover{color:#fff;}
.topbar-tag{color:#8ba0b3; letter-spacing:.06em; font-size:.76rem; text-transform:uppercase;}

header.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(7,28,48,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{display:flex; align-items:center; justify-content:space-between; padding:14px 0;}
.brand{display:flex; align-items:center; gap:12px; color:#fff;}
.brand img{height:46px; width:auto;}
.brand-text{font-family:var(--ff-head); line-height:1.15;}
.brand-text strong{display:block; font-size:1.08rem; font-weight:700; letter-spacing:.01em;}
.brand-text span{display:block; font-size:.68rem; letter-spacing:.14em; color:#8fb3d6; text-transform:uppercase;}

nav.main-nav{display:flex; align-items:center; gap:2px;}
nav.main-nav a{
  color:#dce8f2; font-family:var(--ff-head); font-weight:500; font-size:.94rem;
  padding:10px 16px; border-radius:8px; transition:background .15s, color .15s;
}
nav.main-nav a:hover{background:rgba(255,255,255,.08); color:#fff;}
nav.main-nav a.active{color:#fff; background:rgba(255,255,255,.12);}
.nav-cta{display:flex; align-items:center; gap:14px;}
.nav-cta .btn{padding:11px 22px; font-size:.9rem;}

.hamburger{display:none; width:44px; height:44px; border-radius:8px; border:1px solid rgba(255,255,255,.2); background:transparent; cursor:pointer; align-items:center; justify-content:center; color:#fff;}
.hamburger svg{width:22px; height:22px;}

@media (max-width:980px){
  .topbar{display:none;}
  nav.main-nav{
    position:fixed; inset:64px 0 0 0; background:var(--navy-950);
    flex-direction:column; align-items:stretch; padding:18px; gap:6px;
    transform:translateX(100%); transition:transform .28s ease; overflow-y:auto;
  }
  nav.main-nav a{padding:14px 16px; font-size:1.02rem; border-bottom:1px solid rgba(255,255,255,.06);}
  body.nav-open nav.main-nav{transform:translateX(0);}
  .nav-cta{display:none;}
  .hamburger{display:flex;}
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative; color:#fff; overflow:hidden;
  background:linear-gradient(120deg, var(--navy-950) 0%, var(--navy-800) 52%, var(--blue-700) 100%);
}
.hero .container{position:relative; z-index:2; padding-top:110px; padding-bottom:110px;}
.hero.has-photo{background-size:cover; background-position:center;}
.hero.has-photo::before{
  content:''; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(3,17,30,.92) 10%, rgba(3,17,30,.72) 48%, rgba(7,42,74,.55) 100%);
  z-index:1;
}
.hero-waves{position:absolute; left:0; right:0; bottom:-2px; z-index:1; line-height:0;}
.hero-eyebrow{color:#8fd0ff; letter-spacing:.16em; text-transform:uppercase; font-family:var(--ff-head); font-weight:600; font-size:.82rem; margin-bottom:16px; display:flex; align-items:center; gap:10px;}
.hero h1{color:#fff; max-width:820px;}
.hero p.lead{color:#c8d8e6; font-size:1.14rem; max-width:640px;}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-top:30px;}
.hero-stats{display:flex; gap:40px; margin-top:56px; flex-wrap:wrap;}
.hero-stats div strong{display:block; font-family:var(--ff-head); font-size:1.7rem; color:#fff; font-weight:700;}
.hero-stats div span{color:#9fb7cc; font-size:.84rem;}

.page-hero{
  background:linear-gradient(120deg, var(--navy-950) 0%, var(--navy-800) 60%, var(--blue-700) 130%);
  color:#fff; padding:150px 0 76px;
  position:relative;
}
.page-hero .container{position:relative; z-index:2;}
.page-hero h1{color:#fff; max-width:760px;}
.page-hero p.lead{color:#c8d8e6; font-size:1.08rem; max-width:640px;}
.breadcrumb{display:flex; gap:8px; align-items:center; color:#8fb3d6; font-size:.86rem; margin-bottom:18px;}
.breadcrumb a:hover{color:#fff;}

/* ==========================================================================
   Pillars / Cards
   ========================================================================== */
.pillars-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px; margin-top:44px;}
@media (max-width:980px){ .pillars-grid{grid-template-columns:1fr;} }

.pillar-card{
  background:var(--white); border-radius:var(--radius); padding:34px 30px;
  box-shadow:var(--shadow-sm); border:1px solid var(--grey-200);
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  display:flex; flex-direction:column; height:100%;
}
.pillar-card:hover{transform:translateY(-6px); box-shadow:var(--shadow-md); border-color:transparent;}
.pillar-icon{
  width:60px; height:60px; border-radius:16px; display:flex; align-items:center; justify-content:center;
  margin-bottom:22px; color:#fff;
}
.pillar-icon svg{width:30px; height:30px;}
.pillar-card.solar .pillar-icon{background:linear-gradient(135deg,#f6c400,#dc1e2c);}
.pillar-card.water .pillar-icon{background:linear-gradient(135deg,#0f83d6,#00417f);}
.pillar-card.it .pillar-icon{background:linear-gradient(135deg,#009345,#0b2740);}
.pillar-card h3{margin-bottom:10px;}
.pillar-card p{flex:1;}
.pillar-link{display:inline-flex; align-items:center; gap:8px; font-family:var(--ff-head); font-weight:600; color:var(--navy-900); margin-top:12px; font-size:.92rem;}
.pillar-link svg{width:16px; height:16px; transition:transform .18s;}
.pillar-card:hover .pillar-link svg{transform:translateX(4px);}

/* Service list items (used on service pages) */
.service-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:22px; margin-top:36px;}
@media (max-width:780px){ .service-grid{grid-template-columns:1fr;} }
.service-item{
  display:flex; gap:18px; padding:26px; background:var(--grey-100); border-radius:var(--radius);
  border:1px solid var(--grey-200); transition:background .18s ease, transform .18s ease;
}
.service-item:hover{background:var(--white); box-shadow:var(--shadow-sm); transform:translateY(-3px);}
.service-item .ic{
  flex:0 0 auto; width:48px; height:48px; border-radius:12px; background:var(--white);
  display:flex; align-items:center; justify-content:center; box-shadow:var(--shadow-sm);
}
.service-item .ic svg{width:24px; height:24px;}
.service-item h4{margin:0 0 6px; font-family:var(--ff-head); font-size:1.04rem; color:var(--navy-900); font-weight:600;}
.service-item p{margin:0; font-size:.94rem;}

/* ---------- Two-column split sections ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
@media (max-width:940px){ .split{grid-template-columns:1fr; gap:36px;} }
.split.reverse .split-media{order:2;}
.split-media img{border-radius:var(--radius); box-shadow:var(--shadow-lg); width:100%; height:100%; object-fit:cover;}
.split-media{position:relative; aspect-ratio:4/3.1; min-height:300px;}
.split-media.framed::after{
  content:''; position:absolute; inset:18px -18px -18px 18px; z-index:-1;
  border-radius:var(--radius); background:linear-gradient(135deg, var(--gold), var(--red));
  opacity:.16;
}

.stat-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:40px;}
@media (max-width:780px){ .stat-strip{grid-template-columns:repeat(2,1fr);} }
.stat-strip .stat{text-align:center; padding:26px 14px; background:var(--grey-100); border-radius:var(--radius);}
.stat-strip .stat strong{display:block; font-family:var(--ff-head); font-size:2rem; font-weight:700; color:var(--navy-900);}
.stat-strip .stat span{font-size:.84rem; color:var(--grey-700);}

/* ---------- Process steps ---------- */
.process{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-top:44px; counter-reset:step;}
@media (max-width:940px){ .process{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .process{grid-template-columns:1fr;} }
.process .step{position:relative; padding:28px 22px 22px; background:var(--white); border:1px solid var(--grey-200); border-radius:var(--radius);}
.process .step .num{
  counter-increment:step; font-family:var(--ff-head); font-weight:700; font-size:.85rem;
  color:#fff; background:var(--navy-900); width:34px; height:34px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
}
.process .step .num::before{content:counter(step, decimal-leading-zero);}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg, var(--navy-950), var(--blue-700));
  color:#fff; padding:64px 0; text-align:center; position:relative; overflow:hidden;
}
.cta-band h2{color:#fff; margin-bottom:10px;}
.cta-band p{color:#c8d8e6; max-width:560px; margin:0 auto 28px;}
.cta-actions{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}

/* ---------- About / values ---------- */
.value-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px; margin-top:40px;}
@media (max-width:940px){ .value-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .value-grid{grid-template-columns:1fr;} }
.value-card{padding:26px 22px; border-radius:var(--radius); border:1px solid var(--grey-200); background:var(--white);}
.value-card .ic{width:44px; height:44px; border-radius:10px; background:var(--blue-100); display:flex; align-items:center; justify-content:center; margin-bottom:16px;}
.value-card .ic svg{width:22px; height:22px; color:var(--blue-700);}

.timeline{border-left:2px solid var(--grey-200); margin-top:40px; padding-left:32px; display:flex; flex-direction:column; gap:32px;}
.timeline .item{position:relative;}
.timeline .item::before{content:''; position:absolute; left:-40px; top:4px; width:14px; height:14px; border-radius:50%; background:var(--red); border:3px solid var(--white); box-shadow:0 0 0 2px var(--red);}
.timeline .item h4{margin:0 0 6px; font-family:var(--ff-head); color:var(--navy-900);}

/* ---------- Contact page ---------- */
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:44px; margin-top:44px; align-items:start;}
@media (max-width:940px){ .contact-grid{grid-template-columns:1fr;} }
.contact-card{background:var(--navy-950); color:#fff; border-radius:var(--radius); padding:36px 30px;}
.contact-card .flagbar span{opacity:.9;}
.contact-line{display:flex; gap:16px; align-items:flex-start; margin-bottom:24px;}
.contact-line .ic{flex:0 0 auto; width:42px; height:42px; border-radius:10px; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center;}
.contact-line .ic svg{width:20px; height:20px; color:#8fd0ff;}
.contact-line h4{margin:0 0 4px; font-size:.8rem; text-transform:uppercase; letter-spacing:.08em; color:#8fb3d6; font-family:var(--ff-head);}
.contact-line a, .contact-line span{color:#fff; font-size:1rem;}

.form-card{background:var(--white); border:1px solid var(--grey-200); border-radius:var(--radius); padding:36px; box-shadow:var(--shadow-sm);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
@media (max-width:560px){ .form-row{grid-template-columns:1fr;} }
.field{margin-bottom:18px;}
.field label{display:block; font-family:var(--ff-head); font-weight:600; font-size:.86rem; color:var(--navy-900); margin-bottom:7px;}
.field input, .field select, .field textarea{
  width:100%; padding:13px 15px; border-radius:var(--radius-sm); border:1.5px solid var(--grey-200);
  font-family:var(--ff-body); font-size:.96rem; color:var(--ink); background:var(--grey-100);
  transition:border-color .15s, background .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{outline:none; border-color:var(--blue-500); background:#fff;}
.field textarea{resize:vertical; min-height:130px;}
.form-note{font-size:.82rem; color:var(--grey-500); margin-top:14px;}

.map-frame{border-radius:var(--radius); overflow:hidden; border:1px solid var(--grey-200); margin-top:28px; box-shadow:var(--shadow-sm);}
.map-frame iframe{width:100%; height:340px; border:0; display:block;}

/* ---------- Logos / trust strip ---------- */
.trust-strip{padding:34px 0; border-top:1px solid var(--grey-200); border-bottom:1px solid var(--grey-200); background:var(--grey-100);}
.trust-strip .container{display:flex; align-items:center; justify-content:center; gap:14px; flex-wrap:wrap; text-align:center;}
.trust-strip p{margin:0; color:var(--grey-700); font-size:.92rem;}
.trust-strip strong{color:var(--navy-900);}

/* ---------- Quote / letter callout ---------- */
.callout{
  background:var(--white); border-left:4px solid var(--gold); border-radius:0 var(--radius) var(--radius) 0;
  padding:30px 32px; box-shadow:var(--shadow-sm); margin-top:30px;
}
.callout p{margin:0; color:var(--navy-800); font-size:1.02rem; font-style:italic;}
.callout footer{margin-top:14px; font-style:normal; font-family:var(--ff-head); font-weight:600; color:var(--grey-700); font-size:.86rem;}

/* ==========================================================================
   Footer
   ========================================================================== */
footer.site-footer{background:var(--navy-950); color:#a9bccd; padding:72px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:40px; padding-bottom:52px; border-bottom:1px solid rgba(255,255,255,.08);}
@media (max-width:940px){ .footer-grid{grid-template-columns:1fr 1fr; row-gap:36px;} }
@media (max-width:560px){ .footer-grid{grid-template-columns:1fr;} }
.footer-brand{display:flex; align-items:center; gap:12px; margin-bottom:16px;}
.footer-brand img{height:42px;}
.footer-brand strong{color:#fff; font-family:var(--ff-head); font-size:1.05rem;}
.footer-col h4{color:#fff; font-family:var(--ff-head); font-size:.9rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:18px;}
.footer-col ul{display:flex; flex-direction:column; gap:11px;}
.footer-col a{color:#a9bccd; font-size:.92rem; transition:color .15s;}
.footer-col a:hover{color:#fff;}
.footer-col p{color:#a9bccd; font-size:.92rem;}
.footer-social{display:flex; gap:10px; margin-top:18px;}
.footer-social a{width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.08); display:flex; align-items:center; justify-content:center;}
.footer-social a:hover{background:rgba(255,255,255,.18);}
.footer-social svg{width:17px; height:17px;}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding:24px 0; font-size:.82rem; color:#7a90a3; flex-wrap:wrap; gap:10px;}
.footer-bottom a{color:#7a90a3;}
.footer-bottom a:hover{color:#fff;}

/* ---------- Utilities ---------- */
.text-center{text-align:center;}
.mx-auto{margin-left:auto; margin-right:auto;}
.max-720{max-width:720px;}
.mt-0{margin-top:0;}
.bg-grey{background:var(--grey-100);}
.badge{
  display:inline-flex; align-items:center; gap:8px; background:var(--blue-100); color:var(--blue-700);
  font-family:var(--ff-head); font-weight:600; font-size:.78rem; padding:7px 14px; border-radius:999px; margin-bottom:16px;
}
/* Visible by default (no-JS / no-animation safe). JS adds .pre to animate in on scroll. */
.reveal{opacity:1; transform:none; transition:opacity .6s ease, transform .6s ease;}
.reveal.pre{opacity:0; transform:translateY(18px);}
.reveal.in{opacity:1; transform:translateY(0);}

.wave-divider{display:block; width:100%; height:auto; line-height:0;}

::selection{background:var(--gold); color:var(--navy-950);}

.skip-link{position:absolute; left:-999px; top:auto;}
.skip-link:focus{left:16px; top:16px; z-index:2000; background:#fff; color:#000; padding:10px 16px; border-radius:8px;}