/* ═══════════════════════════════════════════════════════
   CLIVENTA ENGINEERING — Shared Stylesheet
   Brand: #11375e (navy) · #6fa8c3 (blue) · #ffffff (white)
   ═══════════════════════════════════════════════════════ */

/* ── RESET ── */
*,*::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:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1a2733;background:#fff;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
img,video,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}
::selection{background:#11375e;color:#fff}

/* ── VARIABLES ── */
:root{
  --navy:#11375e;
  --navy-dark:#0b2540;
  --navy-mid:#163d6a;
  --blue:#6fa8c3;
  --blue-lt:#8fbfd4;
  --white:#fff;
  --off:#f5f7fa;
  --grey:#e8edf2;
  --border:#d0d9e4;
  --text:#1a2733;
  --muted:#607d8b;
  --green:#2e7d32;
  --max:1240px;
  --r:4px;
  --ease:.28s cubic-bezier(.4,0,.2,1);
}

/* ── LAYOUT ── */
.wrap{max-width:var(--max);margin:0 auto;padding:0 40px}
.sr-only{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);overflow:hidden;border:0}
.skip-link{position:absolute;top:-999px;left:16px;z-index:9999;background:var(--navy);color:#fff;padding:8px 20px;border-radius:var(--r);font-weight:700}
.skip-link:focus{top:8px}

/* ── HEADER ── */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;height:72px;background:#fff;border-bottom:1px solid transparent;transition:border-color var(--ease),box-shadow var(--ease)}
.site-header.scrolled{border-color:var(--grey);box-shadow:0 2px 20px rgba(0,0,0,.07)}
.hdr-inner{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max);margin:0 auto;padding:0 40px}
.site-logo{display:flex;align-items:center}
.site-logo img{height:34px;width:auto}
.site-nav{display:flex;align-items:center;gap:8px}
.site-nav a{color:var(--navy);font-size:.875rem;font-weight:600;padding:8px 14px;border-radius:var(--r);transition:background var(--ease),color var(--ease);white-space:nowrap}
.site-nav a:hover{background:var(--off)}
.site-nav .nav-cta{background:var(--navy);color:#fff;padding:9px 20px;margin-left:4px}
.site-nav .nav-cta:hover{background:var(--navy-dark)}
.menu-toggle{display:none;flex-direction:column;gap:5px;padding:6px;background:none;border:none;cursor:pointer;margin-left:8px}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--navy);transition:all var(--ease)}

/* ── NAV DROPDOWN ── */
.nav-dropdown{position:relative;display:inline-flex;align-items:center}
.nav-drop-btn{display:flex;align-items:center;gap:4px;font-size:.875rem;font-weight:600;color:var(--navy);background:none;border:none;cursor:pointer;padding:8px 14px;border-radius:var(--r);transition:background var(--ease),color var(--ease);white-space:nowrap;font-family:inherit;line-height:1}
.nav-drop-btn:hover,.nav-dropdown:hover .nav-drop-btn,.nav-dropdown.open .nav-drop-btn{background:var(--off);color:var(--navy)}
.nav-drop-btn .drop-arrow{transition:transform .2s;flex-shrink:0}
.nav-dropdown:hover .drop-arrow,.nav-dropdown.open .drop-arrow{transform:rotate(180deg)}
.nav-drop-panel{position:absolute;top:calc(100% + 6px);left:0;min-width:230px;background:#fff;border:1px solid var(--grey);border-top:3px solid var(--blue);border-radius:0 0 8px 8px;padding:6px 0;box-shadow:0 16px 40px rgba(0,0,0,.12);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s;z-index:300}
.nav-dropdown:hover .nav-drop-panel,.nav-dropdown.open .nav-drop-panel{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drop-panel a{display:block;padding:11px 20px;font-size:.875rem;font-weight:600;color:var(--navy);text-decoration:none;transition:color .15s,background .15s,padding-left .15s}
.nav-drop-panel a:hover{color:var(--blue);background:var(--off);padding-left:26px}
/* Dark header variant (index.html hero + article pages) */
.site-header:not(.scrolled) .nav-drop-btn,
.site-header .nav-drop-btn{color:rgba(255,255,255,.7)}
.site-header:not(.scrolled) .nav-drop-btn:hover,
.site-header:not(.scrolled) .nav-dropdown:hover .nav-drop-btn,
.site-header .nav-dropdown:hover .nav-drop-btn{background:rgba(255,255,255,.07);color:#fff}
.site-header:not(.scrolled) .nav-drop-panel,
.site-header .nav-drop-panel{background:#0a0f1a;border-color:rgba(255,255,255,.1);border-top-color:var(--blue);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.site-header:not(.scrolled) .nav-drop-panel a,
.site-header .nav-drop-panel a{color:rgba(255,255,255,.6)}
.site-header:not(.scrolled) .nav-drop-panel a:hover,
.site-header .nav-drop-panel a:hover{color:#fff;background:rgba(255,255,255,.06)}

/* ── FOOTER ── */
.site-footer{background:var(--navy-dark);padding:72px 0 32px}
.ft-cols{display:grid;grid-template-columns:2.5fr 1fr 1fr 1fr;gap:56px;margin-bottom:56px}
.ft-logo{height:30px;margin-bottom:18px;opacity:.9}
.ft-tagline{color:rgba(255,255,255,.45);font-size:.875rem;line-height:1.75;max-width:260px}
.ft-social{display:flex;gap:8px;margin-top:20px}
.ft-social a{width:34px;height:34px;border-radius:var(--r);background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background var(--ease)}
.ft-social a:hover{background:rgba(255,255,255,.18)}
.ft-social svg{width:15px;height:15px;fill:rgba(255,255,255,.65)}
.ft-col h4{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:16px}
.ft-links{display:flex;flex-direction:column;gap:10px}
.ft-links a{font-size:.875rem;color:rgba(255,255,255,.5);transition:color var(--ease)}
.ft-links a:hover{color:#fff}
.ft-bottom{border-top:1px solid rgba(255,255,255,.07);padding-top:24px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}
.ft-legal{font-size:.78125rem;color:rgba(255,255,255,.2);line-height:1.6}
.ft-legal strong{color:rgba(255,255,255,.35)}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 28px;font-size:.9375rem;font-weight:700;border-radius:var(--r);border:2px solid transparent;cursor:pointer;transition:all var(--ease);line-height:1;letter-spacing:.01em;white-space:nowrap}
.btn svg{width:17px;height:17px;fill:currentColor;flex-shrink:0}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-dark)}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-lt)}
.btn-outline{border-color:var(--navy);color:var(--navy)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-outline-white{border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-sm{padding:9px 18px;font-size:.8125rem}

/* ── EYEBROW / LABELS ── */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--blue);margin-bottom:16px}
.eyebrow-dark{color:var(--blue-lt)}
.eyebrow::before{content:'';width:24px;height:2px;background:currentColor;flex-shrink:0}

/* ── SECTION COMMONS ── */
.sec{padding:88px 0}
.sec-off{background:var(--off)}
.sec-navy{background:var(--navy);color:#fff}
.sec-dark{background:var(--navy-dark);color:#fff}
.sec-border-t{border-top:1px solid var(--grey)}

/* Section title block (NG Bailey style) */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:40px}
.sec-title{font-size:clamp(1.625rem,3vw,2.125rem);font-weight:900;color:var(--navy);letter-spacing:-.02em;text-transform:uppercase}
.sec-navy .sec-title,.sec-dark .sec-title{color:#fff}
.sec-link{display:inline-flex;align-items:center;gap:6px;font-size:.875rem;font-weight:700;color:var(--blue);transition:gap var(--ease)}
.sec-link:hover{gap:12px}
.sec-link svg{width:18px;height:18px;fill:currentColor}

/* Prose headings */
h2.title{font-size:clamp(1.75rem,3.5vw,2.625rem);font-weight:900;line-height:1.12;letter-spacing:-.03em;color:var(--navy)}
.sec-navy h2.title,.sec-dark h2.title{color:#fff}
.subtitle{font-size:1.0625rem;color:var(--muted);line-height:1.78;margin-top:16px;max-width:640px}
.sec-navy .subtitle,.sec-dark .subtitle{color:rgba(255,255,255,.6)}

/* ── PHOTO CARDS (NG Bailey style) ── */
.photo-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.photo-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.photo-grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:0}
.photo-card{display:block;position:relative;overflow:hidden;background:var(--navy)}
.photo-card img{width:100%;height:260px;object-fit:cover;transition:transform .55s ease;display:block;filter:brightness(.85)}
.photo-card:hover img{transform:scale(1.04);filter:brightness(.75)}
.photo-card-label{padding:14px 16px;font-size:.9375rem;font-weight:700;color:var(--navy);background:#fff;border-top:3px solid var(--blue);transition:color var(--ease)}
.photo-card:hover .photo-card-label{color:var(--blue)}

/* ── STATS ── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:36px 32px;border-right:1px solid var(--grey)}
.stat-item:last-child{border-right:none}
.stat-bar{height:3px;margin-bottom:20px}
.stat-num{font-size:3rem;font-weight:900;color:var(--navy);line-height:1;letter-spacing:-.04em}
.stat-num span{font-size:1.5rem;font-weight:700;color:var(--blue)}
.stat-label{font-size:.8125rem;color:var(--muted);margin-top:10px;line-height:1.55;max-width:200px}

/* ── TAGS ── */
.tag{display:inline-block;background:rgba(17,55,94,.07);color:var(--navy);padding:4px 12px;border-radius:100px;font-size:.75rem;font-weight:700;letter-spacing:.03em}
.tags{display:flex;flex-wrap:wrap;gap:6px}

/* ── CARDS ── */
.card{background:#fff;border:1px solid var(--grey);border-radius:8px;overflow:hidden;transition:box-shadow var(--ease),transform var(--ease)}
.card:hover{box-shadow:0 8px 32px rgba(17,55,94,.1);transform:translateY(-2px)}
.card-body{padding:28px}

/* ── PROJECT CARDS ── */
.proj-card{position:relative;border-radius:8px;overflow:hidden;background:var(--navy)}
.proj-card img{width:100%;height:300px;object-fit:cover;transition:transform .55s ease;opacity:.7}
.proj-card:hover img{transform:scale(1.04)}
.proj-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(11,37,64,.97) 0%,rgba(11,37,64,.2) 60%,transparent 100%)}
.proj-body{position:absolute;bottom:0;left:0;right:0;padding:24px 28px}
.proj-status{display:inline-block;background:var(--blue);color:#fff;font-size:.7rem;font-weight:800;padding:3px 10px;border-radius:100px;margin-bottom:8px;letter-spacing:.04em;text-transform:uppercase}
.proj-title{font-size:1.0625rem;font-weight:800;color:#fff;line-height:1.3;margin-bottom:4px}
.proj-meta{font-size:.78125rem;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;flex-wrap:wrap;gap:4px}
.proj-value{color:var(--blue-lt);font-weight:700}

/* ── BLOG CARDS ── */
.blog-card{display:block}
.blog-card img{width:100%;height:220px;object-fit:cover;border-radius:6px;margin-bottom:16px;transition:opacity var(--ease)}
.blog-card:hover img{opacity:.85}
.blog-cat{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:8px}
.blog-title{font-size:1.0625rem;font-weight:800;color:var(--navy);line-height:1.35;margin-bottom:8px;transition:color var(--ease)}
.blog-card:hover .blog-title{color:var(--blue)}
.blog-excerpt{font-size:.875rem;color:var(--muted);line-height:1.7}

/* ── REVEAL ANIMATION ── */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.1s}
.delay-2{transition-delay:.2s}
.delay-3{transition-delay:.3s}
.delay-4{transition-delay:.4s}

/* ── BREADCRUMB ── */
.breadcrumb{padding:20px 0 0;font-size:.8125rem;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--navy)}
.breadcrumb span{margin:0 6px}

/* ── FORM ELEMENTS ── */
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.8125rem;font-weight:700;color:var(--text);margin-bottom:6px;letter-spacing:.02em}
.form-control{width:100%;padding:12px 16px;background:#fff;border:1.5px solid var(--border);border-radius:var(--r);font-size:.9375rem;color:var(--text);transition:border-color var(--ease)}
.form-control:focus{outline:none;border-color:var(--navy)}
.form-control::placeholder{color:var(--muted)}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23607d8b'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:22px}
textarea.form-control{resize:vertical;min-height:110px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.btn-submit{width:100%;background:var(--navy);color:#fff;border:none;padding:14px;font-size:1rem;font-weight:800;border-radius:var(--r);cursor:pointer;letter-spacing:.02em;transition:background var(--ease);margin-top:4px}
.btn-submit:hover{background:var(--navy-dark)}

/* ── TRUST BAR ── */
.trust-bar{background:var(--off);border-top:1px solid var(--grey);border-bottom:1px solid var(--grey);padding:40px 0}
.trust-items{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.trust-item{text-align:center;flex:1;min-width:140px}
.trust-num{font-size:2.25rem;font-weight:900;color:var(--navy);line-height:1;letter-spacing:-.03em}
.trust-num em{font-style:normal;font-size:1.25rem;color:var(--blue)}
.trust-lbl{font-size:.75rem;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.trust-div{width:1px;height:48px;background:var(--border)}

/* ── CONTACT BLOCK ── */
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.contact-icon{width:42px;height:42px;background:rgba(17,55,94,.07);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-icon svg{width:18px;height:18px;fill:var(--navy)}
.contact-label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.contact-val{font-size:.9375rem;font-weight:500;color:var(--text);margin-top:2px}
.contact-val a{color:var(--blue);transition:color var(--ease)}
.contact-val a:hover{color:var(--navy)}

/* ── FAQ ── */
.faq-item{border-bottom:1px solid var(--grey)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:1rem;font-weight:700;color:var(--navy);background:none;border:none;cursor:pointer;text-align:left;gap:16px}
.faq-q svg{width:20px;height:20px;fill:var(--navy);flex-shrink:0;transition:transform var(--ease)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 0 20px;color:var(--muted);line-height:1.78;font-size:.9375rem}
.faq-item.open .faq-a{display:block}

/* ── SERVICE FEATURE ── */
.svc-feature{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.svc-feature-img img{width:100%;height:460px;object-fit:cover;border-radius:8px}

/* ── CTA STRIP ── */
.cta-strip{background:var(--navy);padding:72px 0;text-align:center}
.cta-strip h2{font-size:clamp(1.75rem,3.5vw,2.625rem);font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:16px}
.cta-strip p{color:rgba(255,255,255,.6);font-size:1.0625rem;max-width:580px;margin:0 auto 36px;line-height:1.7}
.cta-strip .btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
  .wrap{padding:0 28px}
  .hdr-inner{padding:0 28px}
  .ft-cols{grid-template-columns:1fr 1fr;gap:36px}
  .ft-cols>*:first-child{grid-column:span 2}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2){border-right:none}
  .stat-item:nth-child(3){border-top:1px solid var(--grey)}
  .photo-grid-4{grid-template-columns:repeat(2,1fr)}
  .photo-grid-6{grid-template-columns:repeat(3,1fr)}
  .svc-feature{grid-template-columns:1fr;gap:40px}
  .svc-feature-img{order:-1}
  .svc-feature-img img{height:320px}
}
@media(max-width:768px){
  .wrap{padding:0 20px}
  .hdr-inner{padding:0 20px}
  .sec{padding:64px 0}
  .site-nav a:not(.nav-cta){display:none}
  .site-nav.open{display:flex;flex-direction:column;position:fixed;top:72px;left:0;right:0;bottom:0;background:#fff;padding:24px 20px;gap:4px;z-index:199;overflow-y:auto}
  .site-nav.open a:not(.nav-cta){display:block;padding:14px 12px;font-size:1.0625rem;border-bottom:1px solid var(--grey)}
  .menu-toggle{display:flex}
  .photo-grid-3{grid-template-columns:1fr}
  .photo-grid-4{grid-template-columns:1fr}
  .photo-grid-6{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item:nth-child(2){border-right:1px solid var(--grey)}
  .stat-item:nth-child(3){border-top:none}
  .stat-item{padding:24px 20px}
  .ft-cols{grid-template-columns:1fr}
  .ft-cols>*:first-child{grid-column:span 1}
  .ft-bottom{flex-direction:column;gap:12px}
  .form-row{grid-template-columns:1fr}
  .trust-div{display:none}
  .trust-items{gap:20px}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .stat-item{border-right:none;border-top:1px solid var(--grey)}
  .stat-item:first-child{border-top:none}
}