/* =========================================================
   SKS Builders — Design System v2
   Signature device: corner bracket / survey crop-marks
   (distinct from clip-path notch cards used elsewhere)
   ========================================================= */

:root{
  --navy-deep:   #0a1b3d;
  --navy-mid:    #0f2554;
  --navy-soft:   #17316b;
  --gold:        #e8a33b;
  --gold-light:  #f3c877;
  --amber:       #b8571f;
  --paper:       #f6f3ec;
  --paper-dim:   #eee9de;
  --ink:         #16192b;
  --steel:       #5a6376;
  --steel-light: #8b93a3;
  --white:       #ffffff;
  --line:        rgba(10,27,61,0.14);
  --shadow: 0 18px 40px rgba(10,27,61,0.18);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:'Inter', -apple-system, sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Anton', sans-serif;
  font-weight:400;
  line-height:1.08;
  margin:0 0 .5em;
  color:var(--navy-deep);
  letter-spacing:.3px;
  text-transform:uppercase;
}
h1{ font-size:clamp(2.4rem,4.6vw,4rem); }
h2{ font-size:clamp(1.7rem,2.9vw,2.3rem); }
h3{ font-size:1.2rem; letter-spacing:.4px; }
p{ margin:0 0 1em; color:var(--steel); max-width:65ch; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.container{ max-width:1180px; margin:0 auto; padding:0 28px; }
.container-wide{ max-width:1360px; margin:0 auto; padding:0 28px; }

/* ---------- Corner bracket — signature device (survey/crop-mark) ---------- */
.bracket{ position:relative; }
.bracket::before,
.bracket::after{
  content:""; position:absolute; width:30px; height:30px;
  border:3px solid var(--gold); z-index:3; pointer-events:none;
  transition: width .2s ease, height .2s ease;
}
.bracket::before{ top:-3px; left:-3px; border-right:none; border-bottom:none; }
.bracket::after{ bottom:-3px; right:-3px; border-left:none; border-top:none; }
.bracket:hover::before, .bracket:hover::after{ width:40px; height:40px; }
.bracket-sm::before, .bracket-sm::after{ width:18px; height:18px; }
.bracket-sm:hover::before, .bracket-sm:hover::after{ width:24px; height:24px; }

/* ---------- Buttons: rectangular, letterspaced ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 30px;
  font-family:'Anton', sans-serif;
  font-size:.85rem;
  letter-spacing:1.2px;
  text-transform:uppercase;
  border:2px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-gold{ background:var(--gold); color:var(--navy-deep); }
.btn-gold:hover{ background:var(--navy-deep); color:var(--gold); }
.btn-outline{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.55); }
.btn-outline:hover{ border-color:var(--gold); color:var(--gold); }
.btn-outline-dark{ background:transparent; color:var(--navy-deep); border-color:var(--navy-deep); }
.btn-outline-dark:hover{ background:var(--navy-deep); color:var(--white); }
.btn-block{ width:100%; justify-content:center; }

/* ---------- Top bar ---------- */
.topbar{
  background:var(--navy-deep);
  color:rgba(255,255,255,.72);
  font-size:.8rem;
}
.topbar .container{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; padding-bottom:8px; flex-wrap:wrap; gap:6px;
}
.topbar a{ color:rgba(255,255,255,.85); }
.topbar a:hover{ color:var(--gold); }
.topbar-links{ display:flex; gap:22px; }
.topbar-links span{ color:var(--gold-light); margin-right:6px; font-family:'Anton',sans-serif; font-size:.7rem; letter-spacing:.6px; }

/* ---------- Nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--navy-mid);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition: box-shadow .2s ease;
}
.site-header.scrolled{ box-shadow:0 8px 24px rgba(0,0,0,.28); }
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 0;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand img{ height:58px; width:auto; }
.brand-text{ font-family:'Anton',sans-serif; color:var(--white); line-height:1.1; text-transform:uppercase; }
.brand-text strong{ display:block; font-size:1.2rem; letter-spacing:.5px; }
.brand-text span{ display:block; font-size:.62rem; color:var(--gold-light); letter-spacing:2px; margin-top:3px; font-family:'Inter',sans-serif; font-weight:600; }

.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links a{
  color:rgba(255,255,255,.82);
  font-family:'Anton',sans-serif;
  font-size:.8rem;
  letter-spacing:.6px;
  text-transform:uppercase;
  padding:10px 15px;
  position:relative;
  transition:color .15s ease;
  display:flex; align-items:center; gap:8px;
}
.nav-links a::before{
  content:""; width:5px; height:5px; background:var(--gold); opacity:0; transition:opacity .15s ease;
}
.nav-links a:hover{ color:var(--white); }
.nav-links a.active{ color:var(--white); }
.nav-links a.active::before{ opacity:1; }
.nav-cta{ margin-left:10px; }
.nav-toggle{
  display:none; background:none; border:none; padding:8px;
}
.nav-toggle span{ display:block; width:26px; height:2px; background:var(--white); margin:5px 0; }

/* ---------- Hero (full-bleed, framed content) ---------- */
.hero{
  position:relative; background:var(--navy-deep); color:var(--white);
  min-height:640px; display:flex; align-items:flex-end; overflow:hidden;
}
.hero .hero-bg{ position:absolute; inset:0; }
.hero .hero-bg img{ width:100%; height:100%; object-fit:cover; opacity:.4; }
.hero .hero-bg::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,27,61,.55) 0%, rgba(10,27,61,.85) 65%, var(--navy-deep) 100%);
}
.hero-arcs{ position:absolute; right:-6%; top:-10%; width:640px; max-width:60%; opacity:.9; z-index:1; pointer-events:none; }
.hero-content{ position:relative; z-index:2; width:100%; padding:100px 0 64px; }
.hero-frame{
  border-left:3px solid var(--gold); padding-left:28px; max-width:700px;
}
.hero-eyebrow{ color:var(--gold-light); font-family:'Anton',sans-serif; font-size:.78rem; letter-spacing:1.5px; margin-bottom:14px; text-transform:uppercase; }
.hero h1{ color:var(--white); }
.hero-content p{ color:rgba(255,255,255,.75); font-size:1.08rem; max-width:46ch; }
.hero-actions{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:40px; margin-top:44px; flex-wrap:wrap; }
.hero-stats div strong{ display:block; font-family:'Anton',sans-serif; font-size:1.7rem; color:var(--gold); }
.hero-stats div span{ font-size:.78rem; color:rgba(255,255,255,.6); letter-spacing:.4px; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero{
  background:var(--navy-deep);
  color:var(--white);
  padding:60px 0 52px;
  position:relative;
  border-bottom:3px solid var(--gold);
}
.page-hero .container{ position:relative; z-index:2; }
.crumb{ font-size:.82rem; color:rgba(255,255,255,.55); margin-bottom:12px; letter-spacing:.3px; }
.crumb a:hover{ color:var(--gold); }
.page-hero h1{ color:var(--white); margin-bottom:12px; }
.page-hero p{ color:rgba(255,255,255,.72); max-width:60ch; }

/* ---------- Sections ---------- */
.section{ padding:88px 0; }
.section-tight{ padding:56px 0; }
.section-dark{ background:var(--navy-deep); color:var(--white); }
.section-dark h2{ color:var(--white); }
.section-dark p{ color:rgba(255,255,255,.68); }
.section-paper-dim{ background:var(--paper-dim); }

.section-head{ max-width:680px; margin-bottom:52px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.kicker{
  font-family:'Anton',sans-serif; color:var(--amber); font-size:.78rem;
  letter-spacing:1.2px; margin-bottom:12px; display:flex; align-items:center; gap:10px;
  text-transform:uppercase;
}
.kicker::before{ content:""; width:22px; height:3px; background:var(--gold); display:inline-block; }
.section-dark .kicker{ color:var(--gold-light); }
.section-dark .kicker::before{ background:var(--gold); }

/* ---------- Grids ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.grid-6{ display:grid; grid-template-columns:repeat(6,1fr); gap:20px; }

/* ---------- Cards (square, top-bar accent — different from notch system) ---------- */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-top:3px solid var(--gold);
  padding:34px 30px;
}
.service-card{
  background:var(--white);
  border:1px solid var(--line);
  padding:0 0 26px;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.service-card:hover{ box-shadow:var(--shadow); transform:translateY(-4px); border-color:var(--gold); }
.service-card .thumb{ height:190px; overflow:hidden; position:relative; }
.service-card .thumb::after{ content:""; position:absolute; left:0; right:0; bottom:0; height:4px; background:var(--gold); }
.service-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.service-card .body{ padding:24px 26px 0; }
.service-card .num{ font-family:'Anton',sans-serif; color:var(--gold); font-size:.9rem; letter-spacing:.5px; margin-bottom:8px; display:block; -webkit-text-stroke:.5px var(--amber); }
.service-card h3{ margin-bottom:10px; text-transform:none; }
.service-card p{ font-size:.95rem; margin-bottom:16px; }
.service-card .more{ font-family:'Anton',sans-serif; font-size:.78rem; letter-spacing:.6px; text-transform:uppercase; color:var(--navy-deep); border-bottom:2px solid var(--gold); padding-bottom:3px; }
.service-card .more:hover{ color:var(--amber); }

.project-card{
  position:relative; overflow:hidden; background:var(--navy-deep); color:var(--white);
  height:340px; border-bottom:4px solid var(--gold);
}
.project-card img{ width:100%; height:100%; object-fit:cover; position:absolute; inset:0; opacity:.55; transition:opacity .25s ease, transform .3s ease;}
.project-card:hover img{ opacity:.32; transform:scale(1.04); }
.project-card .tag{
  position:relative; z-index:2; margin:22px 24px 0; display:inline-block;
  font-family:'Anton',sans-serif; font-size:.68rem; letter-spacing:1px; text-transform:uppercase;
  background:var(--gold); color:var(--navy-deep); padding:6px 12px;
}
.project-card .info{
  position:absolute; left:0; right:0; bottom:0; z-index:2; padding:22px 24px;
  background:linear-gradient(0deg, rgba(10,27,61,.95), transparent 90%);
}
.project-card h3{ color:var(--white); margin-bottom:4px; font-size:1.1rem; text-transform:none; }
.project-card .loc{ font-size:.8rem; color:var(--gold-light); letter-spacing:.3px; }

/* ---------- Process / steps (real sequence) ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; }
.step{ position:relative; padding:0 24px 0 0; border-right:1px solid var(--line); }
.step:last-child{ border-right:none; }
.step .step-num{
  font-family:'Anton',sans-serif; font-size:2.8rem; font-weight:400;
  color:transparent; -webkit-text-stroke:1.5px var(--gold);
}
.step h4{ margin:10px 0 8px; font-size:1.05rem; }
.step p{ font-size:.92rem; }

/* ---------- Why choose us / feature list ---------- */
.feature-row{ display:flex; gap:18px; padding:22px 0; border-bottom:1px solid var(--line); }
.feature-row:first-child{ padding-top:0; }
.feature-row .mark{
  flex:none; width:42px; height:42px; background:var(--navy-deep);
  display:flex; align-items:center; justify-content:center; position:relative;
}
.feature-row .mark::after{ content:""; position:absolute; inset:0; border:1px solid var(--gold); transform:translate(4px,4px); z-index:-1; }
.feature-row .mark span{ width:8px; height:8px; background:var(--gold); display:block; }
.feature-row h4{ margin-bottom:6px; font-size:1.02rem; text-transform:none; }
.feature-row p{ margin:0; font-size:.95rem; }

/* ---------- Stat strip ---------- */
.stat-strip{ background:var(--navy-mid); color:var(--white); padding:40px 0; }
.stat-strip .grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center; }
.stat-strip strong{ display:block; font-family:'Anton',sans-serif; font-size:2.1rem; color:var(--gold); }
.stat-strip span{ font-size:.82rem; color:rgba(255,255,255,.68); }

/* ---------- Testimonial / quote block ---------- */
.quote-block{
  background:var(--paper-dim); border-left:4px solid var(--gold); padding:32px 34px;
}
.quote-block p{ font-size:1.1rem; color:var(--navy-deep); font-style:italic; font-family:'Inter',sans-serif; }
.quote-block cite{ font-style:normal; font-family:'Anton',sans-serif; font-size:.78rem; letter-spacing:.5px; color:var(--steel); text-transform:uppercase; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--gold);
  color:var(--navy-deep);
  padding:56px 0;
  border-top:3px solid var(--navy-deep);
  border-bottom:3px solid var(--navy-deep);
}
.cta-band .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap; }
.cta-band h2{ margin:0; color:var(--navy-deep); }
.cta-band p{ color:rgba(10,27,61,.75); margin:6px 0 0; }

/* ---------- Detail page layout ---------- */
.detail-layout{ display:grid; grid-template-columns:2fr 1fr; gap:56px; align-items:start; }
.detail-main img.lead{ width:100%; height:380px; object-fit:cover; margin-bottom:32px; }
.detail-main h2{ margin-top:36px; font-size:1.5rem; }
.spec-box{ background:var(--white); border:1px solid var(--line); border-top:3px solid var(--gold); padding:28px; }
.spec-box h4{ margin-bottom:16px; font-size:1rem; }
.spec-row{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid var(--line); font-size:.92rem; }
.spec-row:last-child{ border-bottom:none; }
.spec-row span:first-child{ color:var(--steel); }
.spec-row span:last-child{ color:var(--navy-deep); font-family:'Anton',sans-serif; text-align:right; font-size:.85rem; letter-spacing:.3px; }
.sidebar-list{ margin-top:22px; }
.sidebar-list li{ margin-bottom:10px; }
.sidebar-list a{
  display:block; padding:12px 16px; background:var(--white); border:1px solid var(--line); border-left:3px solid transparent;
  font-size:.9rem; transition:border-color .15s ease, color .15s ease;
}
.sidebar-list a:hover{ border-left-color:var(--gold); color:var(--amber); }
.sidebar-cta{ background:var(--navy-deep); color:var(--white); padding:28px; margin-top:22px; border-top:3px solid var(--gold); }
.sidebar-cta h4{ color:var(--white); font-size:1rem; }
.sidebar-cta p{ color:rgba(255,255,255,.7); font-size:.9rem; }

.checklist li{ position:relative; padding-left:26px; margin-bottom:10px; color:var(--ink); }
.checklist li::before{
  content:""; position:absolute; left:0; top:8px; width:9px; height:9px; background:var(--gold);
}

/* ---------- Gallery ---------- */
.gallery{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:20px; }
.gallery img{ width:100%; height:200px; object-fit:cover; }

/* ---------- Contact ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:56px; }
.info-card{ display:flex; gap:16px; padding:20px 0; border-bottom:1px solid var(--line); }
.info-card:last-child{ border-bottom:none; }
.info-card .ic{ flex:none; width:40px; height:40px; background:var(--navy-deep); position:relative;}
.info-card .ic::after{ content:""; position:absolute; inset:0; border:1px solid var(--gold); transform:translate(4px,4px); z-index:-1; }
.info-card .ic span{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; color:var(--gold); font-family:'Anton',sans-serif; font-size:.8rem; }
.info-card h4{ margin-bottom:4px; font-size:1rem; text-transform:none; }
.info-card p{ margin:0; font-size:.92rem; }

.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-family:'Anton',sans-serif; font-size:.78rem; letter-spacing:.5px; text-transform:uppercase; margin-bottom:8px; color:var(--navy-deep); }
.form-field input, .form-field select, .form-field textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); background:var(--white);
  font-family:'Inter',sans-serif; font-size:.95rem; color:var(--ink);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{
  outline:2px solid var(--gold); outline-offset:1px; border-color:var(--gold);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-note{ font-size:.82rem; color:var(--steel-light); margin-top:10px; }
#formStatus{ margin-top:14px; font-size:.9rem; }

.map-frame{ width:100%; height:340px; border:1px solid var(--line); margin-top:8px; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-deep); color:rgba(255,255,255,.62); padding-top:64px; border-top:3px solid var(--gold); }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-brand .brand-text strong{ color:var(--white); }
.footer-grid p{ color:rgba(255,255,255,.55); font-size:.92rem; }
.footer-grid h4{ color:var(--white); font-size:.85rem; margin-bottom:18px; letter-spacing:1px; text-transform:uppercase; font-family:'Anton',sans-serif; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid ul a{ color:rgba(255,255,255,.62); font-size:.92rem; }
.footer-grid ul a:hover{ color:var(--gold); }
.footer-social{ display:flex; gap:10px; margin-top:18px; }
.footer-social a{
  width:36px; height:36px; border:1px solid rgba(255,255,255,.2); display:flex; align-items:center; justify-content:center;
  font-family:'Anton',sans-serif; font-size:.7rem;
}
.footer-social a:hover{ border-color:var(--gold); color:var(--gold); }
.footer-bottom{ display:flex; justify-content:space-between; padding:22px 0; font-size:.82rem; flex-wrap:wrap; gap:10px; }
.footer-bottom a:hover{ color:var(--gold); }

/* ---------- WhatsApp floating button ---------- */
.whatsapp-fab{
  position:fixed; right:22px; bottom:22px; z-index:200;
  width:60px; height:60px; border-radius:50%;
  background:#25D366; color:var(--white);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(0,0,0,.3);
  border:2px solid rgba(255,255,255,.85);
}
.whatsapp-fab svg{ width:30px; height:30px; }
.whatsapp-fab::before{
  content:""; position:absolute; inset:-6px; border-radius:50%;
  border:2px solid #25D366; opacity:.55;
  animation: wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse{
  0%{ transform:scale(.9); opacity:.55; }
  70%{ transform:scale(1.35); opacity:0; }
  100%{ opacity:0; }
}
.whatsapp-fab:hover{ background:#1ebc59; }

/* ---------- Utility ---------- */
.text-center{ text-align:center; }
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .hero{ min-height:auto; }
  .hero-content{ padding:64px 0 48px; }
  .hero-arcs{ display:none; }
  .grid-2{ grid-template-columns:1fr; gap:32px; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .grid-6{ grid-template-columns:repeat(3,1fr); }
  .steps{ grid-template-columns:1fr 1fr; row-gap:32px; }
  .step{ border-right:none; padding-right:0; }
  .stat-strip .grid-4{ grid-template-columns:1fr 1fr; row-gap:24px; }
  .detail-layout{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; row-gap:36px; }
  .nav-links{
    position:absolute; top:100%; left:0; right:0; background:var(--navy-mid);
    flex-direction:column; align-items:stretch; padding:10px 0;
    border-top:1px solid rgba(255,255,255,.08);
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding:14px 28px; }
  .nav-cta{ margin:8px 28px 4px; }
  .nav-toggle{ display:block; }
}
@media (max-width: 620px){
  .grid-3{ grid-template-columns:1fr; }
  .grid-6{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:1fr; }
  .stat-strip .grid-4{ grid-template-columns:1fr 1fr; }
  .form-row{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:1fr 1fr; }
  .cta-band .container{ flex-direction:column; align-items:flex-start; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; }
  .whatsapp-fab{ width:52px; height:52px; right:16px; bottom:16px; }
  .whatsapp-fab svg{ width:26px; height:26px; }
}