/* =========================================================
   ZULQARNAIN ESTATE AND BUILDERS — Design System
   Concept: architect's blueprint meets premium construction.
   Corner registration brackets, dimension lines and drafting
   grid marks stand in for decoration — every line means something.
   ========================================================= */

:root{
  --ink:        #14171A;   /* structural charcoal */
  --ink-soft:   #2A2F33;
  --paper:      #F6F4EF;   /* warm concrete white */
  --paper-dim:  #EAE6DC;
  --steel:      #47585A;   /* steel blue-grey */
  --brass:      #B9915C;   /* brass / gold accent */
  --brass-soft: #D8BD93;
  --line:       rgba(20,23,26,0.14);
  --line-on-ink:rgba(246,244,239,0.18);

  --font-display: 'Archivo', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, Segoe UI, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --container: 1240px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img,video{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--font-display); margin:0; letter-spacing:-0.01em; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }
.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Utility: drafting corner brackets ---------- */
.blueprint-frame{ position:relative; }
.blueprint-frame::before,
.blueprint-frame::after{
  content:''; position:absolute; width:22px; height:22px;
  border:2px solid var(--brass); pointer-events:none; z-index:2;
}
.blueprint-frame::before{ top:-2px; left:-2px; border-right:none; border-bottom:none; }
.blueprint-frame::after{ bottom:-2px; right:-2px; border-left:none; border-top:none; }

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--brass);
  display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:''; width:26px; height:1px; background:var(--brass); display:inline-block; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:15px 26px;
  font-family:var(--font-mono);
  font-size:13px; letter-spacing:0.08em; text-transform:uppercase;
  border:1px solid var(--ink); background:var(--ink); color:var(--paper);
  transition:background .25s ease, color .25s ease, border-color .25s ease, transform .2s ease;
}
.btn:hover{ background:var(--brass); border-color:var(--brass); color:var(--ink); transform:translateY(-2px); }
.btn.ghost{ background:transparent; color:var(--paper); border-color:var(--line-on-ink); }
.btn.ghost:hover{ background:var(--paper); color:var(--ink); border-color:var(--paper); }
.btn.dark-ghost{ background:transparent; color:var(--ink); border-color:var(--ink); }
.btn.dark-ghost:hover{ background:var(--ink); color:var(--paper); }

/* ---------- Header ---------- */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 32px;
  background:linear-gradient(to bottom, rgba(20,23,26,0.75), transparent);
  transition:background .3s ease, padding .3s ease;
}
.site-header.scrolled{ background:var(--ink); padding:12px 32px; box-shadow:0 2px 24px rgba(0,0,0,0.25); }
.brand-logo-img{ height:64px; width:auto; display:block; }
@media (max-width:768px){ .brand-logo-img{ height:52px; } }
.brand{
  font-family:var(--font-display); font-weight:800;
  font-size:18px; letter-spacing:0.02em; color:var(--paper);
  display:flex; flex-direction:column; line-height:1.15;
}
.brand span{ font-family:var(--font-mono); font-weight:400; font-size:10px; letter-spacing:0.18em; color:var(--brass-soft); }
.main-nav{ display:flex; align-items:center; gap:34px; }
.main-nav a{
  color:var(--paper); font-size:13.5px; letter-spacing:0.03em;
  position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0;
  background:var(--brass); transition:width .25s ease;
}
.main-nav a:hover::after{ width:100%; }
.nav-cta{
  font-family:var(--font-mono); font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  border:1px solid var(--brass-soft); padding:10px 18px; color:var(--paper) !important;
}
.nav-cta:hover{ background:var(--brass); color:var(--ink) !important; }
.nav-toggle{ display:none; background:none; border:none; color:var(--paper); font-size:22px; }

/* ---------- Hero Slider ---------- */
.hero{ position:relative; height:100vh; min-height:640px; overflow:hidden; background:var(--ink); }
.hero-slide{
  position:absolute; inset:0; opacity:0; visibility:hidden;
  transition:opacity 1.1s ease;
}
.hero-slide.active{ opacity:1; visibility:visible; z-index:1; }
.hero-slide .media-wrap{ position:absolute; inset:0; }
.hero-slide img, .hero-slide video{ width:100%; height:100%; object-fit:cover; }
.hero-slide .media-wrap::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(15,17,19,.55) 0%, rgba(15,17,19,.3) 40%, rgba(15,17,19,.85) 100%);
}
.hero-grid-overlay{
  position:absolute; inset:0; z-index:2; pointer-events:none;
  background-image:
    linear-gradient(var(--line-on-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-on-ink) 1px, transparent 1px);
  background-size:64px 64px;
  opacity:.35;
}
.hero-content{
  position:relative; z-index:3; height:100%;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:0 32px 96px;
  max-width:var(--container); margin:0 auto;
}
.hero-content .eyebrow{ color:var(--brass-soft); margin-bottom:18px; }
.hero-content h1{
  font-size:clamp(38px, 6.4vw, 92px);
  color:var(--paper); font-weight:800; line-height:0.98;
  max-width:16ch; text-transform:uppercase;
}
.hero-content .sub{
  color:var(--paper-dim); font-size:17px; max-width:46ch; margin:22px 0 34px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-controls{
  position:absolute; z-index:4; right:32px; bottom:40px;
  display:flex; align-items:center; gap:14px;
}
.hero-dots{ display:flex; gap:10px; }
.hero-dot{
  width:34px; height:2px; background:rgba(246,244,239,0.35); border:none;
  position:relative; cursor:pointer;
}
.hero-dot.active{ background:var(--brass); }
.hero-arrow{
  width:42px; height:42px; border:1px solid var(--line-on-ink); background:transparent;
  color:var(--paper); display:flex; align-items:center; justify-content:center; font-size:16px;
  transition:background .2s ease, border-color .2s ease;
}
.hero-arrow:hover{ background:var(--brass); border-color:var(--brass); color:var(--ink); }
.hero-index{
  position:absolute; left:32px; bottom:40px; z-index:4;
  font-family:var(--font-mono); color:var(--paper-dim); font-size:13px; letter-spacing:.1em;
}
.hero-index b{ color:var(--brass-soft); font-size:20px; }

/* ---------- Marquee strip ---------- */
.strip{
  background:var(--ink); color:var(--paper-dim); overflow:hidden; padding:14px 0;
  border-top:1px solid var(--line-on-ink); border-bottom:1px solid var(--line-on-ink);
}
.strip-track{ display:flex; gap:48px; white-space:nowrap; animation:marquee 28s linear infinite; width:max-content; }
.strip-track span{ font-family:var(--font-mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase; display:flex; align-items:center; gap:48px; }
.strip-track span::after{ content:'—'; color:var(--brass); }
@keyframes marquee{ from{ transform:translateX(0);} to{ transform:translateX(-50%);} }

/* ---------- Section shell ---------- */
section{ padding:120px 0; position:relative; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:40px; margin-bottom:56px; flex-wrap:wrap; }
.section-head h2{ font-size:clamp(30px,4vw,52px); text-transform:uppercase; margin-top:14px; }
.section-head p{ max-width:40ch; color:var(--steel); font-size:15px; }

/* ---------- Approach (pillars) ---------- */
.pillars{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.pillar{ background:var(--paper); padding:44px 36px; }
.pillar .tag{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.14em; color:var(--brass); text-transform:uppercase; }
.pillar h3{ font-size:23px; margin:16px 0 14px; text-transform:uppercase; }
.pillar p{ color:var(--steel); font-size:14.5px; }

/* ---------- Stats dimension strip ---------- */
.stats{ background:var(--ink); padding:64px 0; }
.stats .container{ display:grid; grid-template-columns:repeat(4,1fr); gap:32px; }
.stat{ border-left:1px solid var(--line-on-ink); padding-left:22px; }
.stat b{ font-family:var(--font-mono); font-size:clamp(28px,3vw,42px); color:var(--paper); display:block; }
.stat span{ font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; color:var(--brass-soft); text-transform:uppercase; }

/* ---------- Services ---------- */
.services-list{ display:flex; flex-direction:column; }
.service-row{
  display:grid; grid-template-columns:80px 1fr 160px; align-items:center; gap:24px;
  padding:30px 6px; border-top:1px solid var(--line);
  transition:background .25s ease;
}
.service-row:last-child{ border-bottom:1px solid var(--line); }
.service-row:hover{ background:rgba(185,145,92,0.07); }
.service-row .num{ font-family:var(--font-mono); color:var(--brass); font-size:14px; }
.service-row h3{ font-size:24px; text-transform:uppercase; }
.service-row p{ color:var(--steel); font-size:14px; margin-top:6px; max-width:60ch; }
.service-row .arrow{ justify-self:end; font-family:var(--font-mono); font-size:13px; color:var(--steel); }

/* ---------- Gallery ---------- */
.gallery-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.gallery-item{ position:relative; overflow:hidden; aspect-ratio:1/1; background:var(--ink); }
.gallery-item:nth-child(4n+1){ grid-row:span 2; aspect-ratio:1/2.1; }
.gallery-item img, .gallery-item video{ width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.gallery-item:hover img, .gallery-item:hover video{ transform:scale(1.06); }
.gallery-item .cap{
  position:absolute; left:0; right:0; bottom:0; padding:16px;
  background:linear-gradient(0deg, rgba(15,17,19,.85), transparent);
  color:var(--paper-dim); font-family:var(--font-mono); font-size:11.5px; letter-spacing:.06em;
  opacity:0; transform:translateY(8px); transition:opacity .3s ease, transform .3s ease;
}
.gallery-item:hover .cap{ opacity:1; transform:translateY(0); }

/* ---------- CTA band ---------- */
.cta-band{ background:var(--brass); color:var(--ink); padding:90px 0; text-align:center; }
.cta-band h2{ font-size:clamp(28px,4.4vw,52px); text-transform:uppercase; max-width:20ch; margin:0 auto 28px; }
.cta-band .eyebrow{ justify-content:center; color:var(--ink); }
.cta-band .eyebrow::before{ background:var(--ink); }

/* ---------- Contact ---------- */
.contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:60px; }
.contact-info h2{ font-size:clamp(28px,3.6vw,44px); text-transform:uppercase; margin:14px 0 20px; }
.contact-info p{ color:var(--steel); max-width:44ch; }
.contact-detail{ margin-top:34px; display:flex; flex-direction:column; gap:14px; font-family:var(--font-mono); font-size:14px; }
.contact-detail a{ border-bottom:1px solid var(--line); padding-bottom:4px; }
.contact-form{ display:flex; flex-direction:column; gap:16px; }
.contact-form input, .contact-form textarea{
  width:100%; padding:15px 16px; border:1px solid var(--line); background:var(--paper);
  font-family:var(--font-body); font-size:14.5px; color:var(--ink);
}
.contact-form input:focus, .contact-form textarea:focus{ outline:2px solid var(--brass); outline-offset:0; border-color:var(--brass); }
.form-msg{ font-family:var(--font-mono); font-size:13px; padding:12px 14px; }
.form-msg.ok{ background:#20351f; color:#bfe7bd; }
.form-msg.err{ background:#3a1c1c; color:#f2b8b8; }

/* ---------- Footer ---------- */
footer{ background:var(--ink); color:var(--paper-dim); padding:70px 0 26px; }
.footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:50px; border-bottom:1px solid var(--line-on-ink); }
.footer-brand{ font-family:var(--font-display); font-size:22px; color:var(--paper); font-weight:800; text-transform:uppercase; }
.footer-brand + p{ margin-top:14px; color:var(--steel); max-width:36ch; font-size:14px; }
.footer-col h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--brass-soft); margin-bottom:16px; }
.footer-col a, .footer-col p{ display:block; color:var(--paper-dim); font-size:14px; margin-bottom:10px; }
.footer-col a:hover{ color:var(--brass); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; font-size:12.5px; color:var(--steel); flex-wrap:wrap; gap:12px; }
.footer-bottom a{ color:var(--steel); }
.footer-bottom a:hover{ color:var(--brass); }

/* ---------- Cookie consent ---------- */
.cookie-bar{
  position:fixed; left:20px; right:20px; bottom:20px; z-index:999;
  max-width:560px; margin:0 auto;
  background:var(--ink); color:var(--paper-dim);
  border:1px solid var(--line-on-ink);
  padding:22px 24px; display:flex; flex-direction:column; gap:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.35);
  transform:translateY(140%); transition:transform .5s ease;
}
.cookie-bar.show{ transform:translateY(0); }
.cookie-bar p{ font-size:13.5px; line-height:1.6; }
.cookie-bar p a{ color:var(--brass-soft); border-bottom:1px solid var(--brass-soft); }
.cookie-actions{ display:flex; gap:12px; }
.cookie-actions button{
  flex:1; padding:12px 16px; font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; border:1px solid var(--line-on-ink); background:transparent; color:var(--paper-dim);
}
.cookie-actions .accept{ background:var(--brass); border-color:var(--brass); color:var(--ink); }

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed; right:22px; bottom:22px; z-index:500;
  width:56px; height:56px; border-radius:50%; background:#25D366;
  display:flex; align-items:center; justify-content:center; box-shadow:0 10px 30px rgba(0,0,0,.3);
}
.wa-float svg{ width:28px; height:28px; fill:#fff; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .pillars{ grid-template-columns:1fr; }
  .stats .container{ grid-template-columns:repeat(2,1fr); }
  .contact-wrap{ grid-template-columns:1fr; }
  .footer-top{ grid-template-columns:1fr; gap:30px; }
  .gallery-grid{ grid-template-columns:repeat(2,1fr); }
  .gallery-item:nth-child(4n+1){ grid-row:auto; aspect-ratio:1/1; }
}
@media (max-width: 760px){
  .main-nav{
    position:fixed; inset:0 0 0 30%; background:var(--ink); flex-direction:column;
    justify-content:center; align-items:flex-start; padding:40px; gap:26px;
    transform:translateX(100%); transition:transform .35s ease; z-index:99;
  }
  .main-nav.open{ transform:translateX(0); }
  .nav-toggle{ display:block; z-index:101; }
  .service-row{ grid-template-columns:50px 1fr; }
  .service-row .arrow{ display:none; }
}