/* ============================================
   CK BUILDERS & CONSTRUCTION — design tokens
   Color:  ink #1C1F24 | slate #363C46 | concrete #8B8D8A
           brick #B23B2C | site-gold #E8A94A | limewash #F4F1EA
   Type:   display "Big Shoulders Display" (condensed/structural)
           body "Inter" | utility "IBM Plex Mono" (site-log numerals)
   ============================================ */

:root{
  --ink:      #1C1F24;
  --slate:    #363C46;
  --slate-2:  #2A2E37;
  --concrete: #8B8D8A;
  --concrete-light: #C9C6BE;
  --brick:    #B23B2C;
  --brick-light: #D0553F;
  --gold:     #E8A94A;
  --lime:     #F4F1EA;
  --lime-dim: #E7E2D6;

  --display: 'Big Shoulders Display', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --max: 1240px;
  --edge: clamp(20px, 5vw, 64px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

body{
  margin:0;
  background:var(--lime);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
:focus-visible{ outline:3px solid var(--gold); outline-offset:3px; }

.mono{ font-family:var(--mono); letter-spacing:.04em; text-transform:uppercase; font-size:.72rem; }

.eyebrow{ color:var(--brick); margin:0 0 10px; font-weight:500; }

.section-title{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(2rem, 4.4vw, 3.4rem);
  line-height:0.98;
  letter-spacing:-.01em;
  margin:0 0 14px;
  text-transform:uppercase;
}
.section-title.light{ color:var(--lime); }
.section-desc{ max-width:52ch; color:var(--slate); font-size:1.02rem; margin:0; }
.section-desc.light{ color:var(--concrete-light); }

.section-head{ max-width:var(--max); margin:0 auto; padding:96px var(--edge) 40px; }

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  font-family:var(--mono); text-transform:uppercase; letter-spacing:.06em; font-size:.78rem;
  padding:16px 26px; border-radius:2px; border:1.5px solid transparent; cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease, transform .15s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--brick); color:var(--lime); }
.btn-primary:hover{ background:var(--brick-light); }
.btn-ghost{ border-color:rgba(244,241,234,.5); color:var(--lime); }
.btn-ghost:hover{ border-color:var(--lime); background:rgba(244,241,234,.08); }
.btn-block{ width:100%; margin-top:6px; }

/* ============ HEADER ============ */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:linear-gradient(to bottom, rgba(28,31,36,.75), transparent);
}
.header-inner{
  max-width:var(--max); margin:0 auto; padding:18px var(--edge);
  display:flex; align-items:center; gap:28px;
}
.brand{ display:flex; align-items:center; gap:10px; margin-right:auto; }
.brand-mark{
  font-family:var(--display); font-weight:900; font-size:1.5rem; color:var(--gold);
  border:2px solid var(--gold); padding:2px 8px; line-height:1;
}
.brand-name{
  font-family:var(--display); font-weight:700; font-size:.86rem; color:var(--lime);
  line-height:1.15; letter-spacing:.02em; text-transform:uppercase;
}
.brand-name span{ color:var(--concrete-light); font-weight:600; }

.main-nav{ display:flex; gap:28px; }
.main-nav a{
  font-family:var(--mono); font-size:.75rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--lime); opacity:.85; position:relative; padding-bottom:3px;
}
.main-nav a:hover{ opacity:1; }
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0; height:1px; width:0; background:var(--gold);
  transition:width .25s ease;
}
.main-nav a:hover::after{ width:100%; }

.nav-cta{
  font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em;
  color:var(--ink); background:var(--gold); padding:10px 18px; border-radius:2px;
}
.nav-cta:hover{ background:#f0bd6c; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:6px; }
.nav-toggle span{ width:22px; height:2px; background:var(--lime); display:block; }

@media (max-width: 860px){
  .main-nav{
    position:fixed; inset:64px 0 auto 0; background:var(--ink); flex-direction:column; gap:0;
    max-height:0; overflow:hidden; transition:max-height .3s ease;
  }
  .main-nav a{ padding:16px var(--edge); border-bottom:1px solid rgba(244,241,234,.08); }
  .main-nav.open{ max-height:340px; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ============ HERO ============ */
.hero{
  position:relative; min-height:100svh; display:flex; align-items:flex-end;
  overflow:hidden; background:var(--ink);
}
.hero-media{ position:absolute; inset:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; object-position:60% 30%; }
.hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(to top, rgba(20,20,20,.92) 0%, rgba(20,20,20,.35) 46%, rgba(20,20,20,.15) 70%),
    linear-gradient(to right, rgba(20,20,20,.5) 0%, rgba(20,20,20,0) 55%);
}
.hero-content{ position:relative; z-index:2; padding:0 var(--edge) 88px; max-width:820px; }
.eyebrow.mono{ color:var(--gold); }
.hero-title{
  font-family:var(--display); font-weight:900; text-transform:uppercase;
  color:var(--lime); font-size:clamp(2.6rem, 8vw, 6rem); line-height:.92; letter-spacing:-.01em;
  margin:0 0 22px;
}
.hero-title .outline{
  -webkit-text-stroke:2px var(--gold); color:transparent;
}
.hero-sub{ color:var(--concrete-light); font-size:1.08rem; max-width:46ch; margin:0 0 32px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute; right:var(--edge); bottom:34px; z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:10px; color:var(--lime);
}
.scroll-cue .mono{ color:var(--concrete-light); writing-mode:vertical-rl; }
.scroll-line{ width:1px; height:52px; background:linear-gradient(var(--gold), transparent); position:relative; overflow:hidden; }
.scroll-line::after{
  content:''; position:absolute; top:-52px; left:0; width:100%; height:52px; background:var(--gold);
  animation:scrollDrop 1.8s ease-in-out infinite;
}
@keyframes scrollDrop{ to{ top:100%; } }

/* ============ INTRO STRIP ============ */
.intro{ background:var(--ink); color:var(--lime); padding:64px var(--edge); }
.intro-inner{ max-width:var(--max); margin:0 auto; display:grid; grid-template-columns:1.3fr 1fr; gap:40px; align-items:start; }
.intro-lead{ font-family:var(--display); font-weight:600; font-size:clamp(1.3rem, 2.6vw, 1.9rem); line-height:1.25; margin:0; text-transform:uppercase; letter-spacing:0; }
.intro-tags{ display:flex; flex-direction:column; gap:12px; }
.intro-tags span{ color:var(--concrete-light); border-top:1px solid rgba(244,241,234,.18); padding-top:12px; }
.intro-tags span:first-child{ border-top:none; padding-top:0; }
@media (max-width: 760px){ .intro-inner{ grid-template-columns:1fr; } }

/* ============ PROCESS / SITE LOG ============ */
.process{ background:var(--lime); }
.log-track{
  display:flex; gap:2px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding:0 var(--edge) 28px; scrollbar-width:thin; scrollbar-color:var(--brick) transparent;
}
.log-track::-webkit-scrollbar{ height:6px; }
.log-track::-webkit-scrollbar-thumb{ background:var(--brick); }

.log-card{
  scroll-snap-align:start; flex:0 0 min(340px, 78vw); background:var(--slate); color:var(--lime);
}
.log-media{ aspect-ratio:4/3; overflow:hidden; }
.log-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.log-card:hover .log-media img{ transform:scale(1.05); }
.log-info{ padding:22px 22px 28px; }
.log-index{ color:var(--gold); display:block; margin-bottom:10px; }
.log-info h3{ font-family:var(--display); font-weight:700; font-size:1.35rem; text-transform:uppercase; margin:0 0 10px; }
.log-info p{ color:var(--concrete-light); font-size:.92rem; margin:0; }

.log-progress{ max-width:var(--max); margin:0 auto; padding:0 var(--edge) 80px; }
.log-progress{ height:3px; background:var(--concrete-light); position:relative; }
.log-progress span{ position:absolute; left:0; top:0; height:100%; width:20%; background:var(--brick); transition:width .1s linear; }

/* ============ SERVICES ============ */
.services{ background:var(--lime); }
.services-grid{
  max-width:var(--max); margin:0 auto; padding:0 var(--edge) 100px;
  display:grid; grid-template-columns:repeat(3, 1fr); gap:1px; background:var(--concrete-light);
  border:1px solid var(--concrete-light);
}
.service-card{ background:var(--lime); padding:34px 28px; }
.service-num{ color:var(--brick); display:block; margin-bottom:24px; }
.service-card h3{ font-family:var(--display); text-transform:uppercase; font-size:1.2rem; font-weight:700; margin:0 0 10px; }
.service-card p{ color:var(--slate); font-size:.92rem; margin:0; }
@media (max-width: 860px){ .services-grid{ grid-template-columns:1fr; } }
@media (min-width:861px) and (max-width:1100px){ .services-grid{ grid-template-columns:repeat(2,1fr); } }

/* ============ SCROLLING GALLERY (marquee) ============ */
.gallery{ background:var(--lime); }
.gallery .section-head{ padding-bottom:36px; }

.marquee-wrap{
  overflow:hidden; background:var(--ink); padding:0; position:relative;
  -webkit-mask-image:linear-gradient(to right, transparent, black 4%, black 96%, transparent);
          mask-image:linear-gradient(to right, transparent, black 4%, black 96%, transparent);
}
.marquee-track{
  display:flex; width:max-content; gap:14px; padding:14px;
  animation:marqueeScroll 46s linear infinite;
}
.marquee-wrap:hover .marquee-track{ animation-play-state:paused; }
.marquee-item{ flex:0 0 auto; width:min(300px, 60vw); aspect-ratio:3/4; overflow:hidden; }
.marquee-item img{ width:100%; height:100%; object-fit:cover; filter:saturate(1.05); }

@keyframes marqueeScroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

/* ============ CONTACT ============ */
.contact{ background:var(--ink); color:var(--lime); padding:100px var(--edge) 80px; }
.contact-inner{ max-width:var(--max); margin:0 auto; display:grid; grid-template-columns:1.1fr .9fr; gap:64px; }
.contact-left .eyebrow{ color:var(--gold); }

.contact-details{ list-style:none; margin:32px 0; padding:0; display:flex; flex-direction:column; gap:0; }
.contact-details li{
  display:flex; justify-content:space-between; gap:20px; padding:14px 0;
  border-top:1px solid rgba(244,241,234,.15); align-items:baseline;
}
.contact-details li:first-child{ border-top:none; }
.contact-details li span:first-child{ color:var(--concrete-light); }
.contact-details a{ color:var(--lime); }
.contact-details a:hover{ color:var(--gold); }

.social-row{ display:flex; flex-wrap:wrap; gap:10px; }
.social-btn{
  display:flex; align-items:center; gap:8px; border:1px solid rgba(244,241,234,.3);
  padding:10px 16px; border-radius:2px; font-family:var(--mono); font-size:.72rem;
  text-transform:uppercase; letter-spacing:.05em; transition:border-color .2s ease, background .2s ease;
}
.social-btn svg{ width:16px; height:16px; }
.social-btn:hover{ border-color:var(--gold); background:rgba(232,169,74,.1); }

.contact-form{ background:var(--slate); padding:32px; display:flex; flex-direction:column; gap:16px; }
.contact-form label{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; color:var(--concrete-light); display:flex; flex-direction:column; gap:8px; }
.contact-form input, .contact-form textarea{
  font-family:var(--body); font-size:.95rem; background:var(--slate-2); border:1px solid rgba(244,241,234,.2);
  color:var(--lime); padding:12px 14px; border-radius:2px; resize:vertical;
}
.contact-form input::placeholder, .contact-form textarea::placeholder{ color:#7d8290; }
.contact-form input:focus, .contact-form textarea:focus{ border-color:var(--gold); }
.form-note{ color:#8b8fa0; text-align:center; text-transform:none; letter-spacing:0; font-size:.72rem; }

@media (max-width: 900px){ .contact-inner{ grid-template-columns:1fr; } }

/* ============ FOOTER ============ */
.site-footer{ background:var(--ink); border-top:1px solid rgba(244,241,234,.12); padding:24px var(--edge) 34px; }
.footer-inner{ max-width:var(--max); margin:0 auto; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; color:var(--concrete-light); }
.back-top:hover{ color:var(--gold); }