/* ============================================================
   ZHA CONSTRUCTION CO. — Design System
   Palette pulled from the company letterhead (deep brick maroon
   + charcoal). Blueprint / site-survey motif throughout: corner
   registration marks, dimension-line dividers, dotted grid.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Work+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* ---- Color tokens ---- */
  --maroon-950:#360a0a;
  --maroon-800:#5a1010;
  --maroon-700:#7a1414;
  --maroon-600:#93231f;
  --maroon-500:#a83a2e;
  --charcoal-900:#1a1c1f;
  --charcoal-800:#232629;
  --charcoal-700:#2e3237;
  --steel-500:#5b5f66;
  --steel-300:#9ba0a6;
  --steel-100:#d8dadd;
  --sand-50:#fbfaf7;
  --sand-100:#f4f1ea;
  --sand-200:#eae4d8;
  --amber-500:#c8941f;
  --amber-400:#dcae3f;
  --white:#ffffff;

  /* ---- Type ---- */
  --font-display:'Oswald', sans-serif;
  --font-body:'Work Sans', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  /* ---- Layout ---- */
  --container:1240px;
  --nav-h:84px;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

body{
  font-family:var(--font-body);
  color:var(--charcoal-900);
  background:var(--sand-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

:focus-visible{
  outline:2px solid var(--amber-500);
  outline-offset:3px;
}

/* ---- Blueprint grid texture ---- */
.blueprint-bg{
  position:relative;
  background-color:var(--charcoal-900);
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:38px 38px;
}

/* ---- Corner registration marks (signature element) ---- */
.crop-marks{position:relative;}
.crop-marks::before,
.crop-marks::after,
.crop-marks .cm-tr,
.crop-marks .cm-br{
  content:'';
  position:absolute;
  width:26px;
  height:26px;
  border:2px solid var(--amber-500);
  opacity:.85;
  z-index:3;
}
.crop-marks::before{top:18px;left:18px;border-right:none;border-bottom:none;}
.crop-marks::after{bottom:18px;left:18px;border-right:none;border-top:none;}
.crop-marks .cm-tr{top:18px;right:18px;border-left:none;border-bottom:none;}
.crop-marks .cm-br{bottom:18px;right:18px;border-left:none;border-top:none;}

/* ---- Eyebrow / kicker label ---- */
.kicker{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--maroon-700);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.kicker::before{
  content:'';
  width:28px;
  height:2px;
  background:var(--amber-500);
  display:inline-block;
}
.on-dark .kicker{color:var(--amber-400);}

/* ---- Headings ---- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.01em;
  line-height:1.08;
  color:var(--charcoal-900);
}
.on-dark h1,.on-dark h2,.on-dark h3{color:var(--white);}

h1{font-size:clamp(2.6rem,5.4vw,4.6rem); font-weight:700;}
h2{font-size:clamp(2rem,3.4vw,2.9rem); font-weight:600;}
h3{font-size:clamp(1.2rem,2vw,1.5rem); font-weight:600;}

.section-head{max-width:640px; margin-bottom:52px;}
.section-head p{color:var(--steel-500); font-size:1.05rem; margin-top:14px;}
.on-dark .section-head p{color:var(--steel-100);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .kicker{justify-content:center;}

p{color:var(--charcoal-700);}

/* ---- Buttons ---- */
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:15px 28px;
  border:1.5px solid transparent;
  transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--maroon-700);
  color:var(--white);
  border-color:var(--maroon-700);
}
.btn-primary:hover{background:var(--maroon-800); border-color:var(--maroon-800); transform:translateY(-2px);}
.btn-outline{
  border-color:currentColor;
  color:var(--charcoal-900);
}
.on-dark .btn-outline{color:var(--white);}
.btn-outline:hover{background:var(--white); color:var(--charcoal-900); transform:translateY(-2px);}
.btn-amber{
  background:var(--amber-500);
  color:var(--charcoal-900);
  border-color:var(--amber-500);
}
.btn-amber:hover{background:var(--amber-400); transform:translateY(-2px);}
.btn-arrow{transition:transform .35s var(--ease);}
.btn:hover .btn-arrow{transform:translateX(4px);}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:1000;
  height:var(--nav-h);
  display:flex;
  align-items:center;
  background:rgba(251,250,247,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,0,0,.06);
  transition:height .35s var(--ease), background .35s var(--ease);
}
.site-header.scrolled{height:66px; background:rgba(251,250,247,.97); box-shadow:0 4px 24px rgba(0,0,0,.06);}
.site-header .container{display:flex; align-items:center; justify-content:space-between; gap:24px;}

.brand{display:flex; align-items:center; gap:12px;}
.brand img{height:52px; width:auto; transition:height .35s var(--ease);}
.site-header.scrolled .brand img{height:42px;}
.brand-text{font-family:var(--font-display); font-weight:600; letter-spacing:.04em; font-size:1.05rem; line-height:1.1;}
.brand-text small{display:block; font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; color:var(--maroon-700); font-weight:500; text-transform:uppercase; margin-top:2px;}

.nav-links{display:flex; align-items:center; gap:38px;}
.nav-links a{
  position:relative;
  font-size:14px;
  font-weight:500;
  letter-spacing:.02em;
  padding:8px 0;
}
.nav-links a::after{
  content:'';
  position:absolute;
  left:0; bottom:0;
  width:0; height:2px;
  background:var(--maroon-700);
  transition:width .3s var(--ease);
}
.nav-links a:hover::after,
.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--maroon-700);}

.nav-right{display:flex; align-items:center; gap:22px;}
.nav-phone{display:flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:13px;}
.nav-phone svg{width:16px; height:16px; stroke:var(--maroon-700);}

.nav-toggle{display:none; width:26px; height:20px; position:relative; z-index:1100;}
.nav-toggle span{
  position:absolute; left:0; width:100%; height:2px; background:var(--charcoal-900);
  transition:all .3s var(--ease);
}
.nav-toggle span:nth-child(1){top:0;}
.nav-toggle span:nth-child(2){top:9px;}
.nav-toggle span:nth-child(3){top:18px;}
.nav-toggle.open span:nth-child(1){top:9px; transform:rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){top:9px; transform:rotate(-45deg);}

@media (max-width:960px){
  .nav-links{
    position:fixed; inset:0 0 0 auto; width:min(78vw,340px); height:100vh;
    background:var(--charcoal-900); flex-direction:column; justify-content:center; align-items:flex-start;
    gap:26px; padding:0 44px; transform:translateX(100%); transition:transform .45s var(--ease); z-index:1050;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{color:var(--white); font-size:1.4rem; font-family:var(--font-display); text-transform:uppercase;}
  .nav-phone{display:none;}
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
}

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:flex-end;
  color:var(--white);
  overflow:hidden;
}
.hero-media{position:absolute; inset:0; z-index:0;}
.hero-media img{
  width:100%; height:100%; object-fit:cover;
  transform:scale(1.12);
  animation:heroZoom 16s var(--ease) forwards;
}
@keyframes heroZoom{ to{transform:scale(1);} }
.hero-media::after{
  content:'';
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(26,28,31,.55) 0%, rgba(26,28,31,.35) 38%, rgba(26,28,31,.94) 100%),
    linear-gradient(100deg, rgba(54,10,10,.72) 0%, rgba(26,28,31,.15) 46%);
}
.hero-content{position:relative; z-index:2; width:100%; padding-bottom:96px;}
.hero-eyebrow{
  font-family:var(--font-mono); font-size:13px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--amber-400); display:flex; align-items:center; gap:12px; margin-bottom:22px;
  opacity:0; transform:translateY(14px); animation:riseIn .7s var(--ease) .3s forwards;
}
.hero-eyebrow::before{content:''; width:34px; height:2px; background:var(--amber-500);}
.hero h1, .page-hero h1{
  max-width:820px; color:var(--white); margin-bottom:24px;
}
.hero h1 span{display:block; overflow:hidden;}
.hero h1 span em{
  font-style:normal; display:block;
  opacity:0; transform:translateY(100%); animation:riseIn .8s var(--ease) forwards;
}
.hero h1 span:nth-child(1) em{animation-delay:.15s;}
.hero h1 span:nth-child(2) em{animation-delay:.3s; color:var(--amber-400);}
@keyframes riseIn{ to{opacity:1; transform:translateY(0);} }

.hero p.lead, .page-hero p.lead{
  max-width:560px; font-size:1.12rem; color:var(--steel-100); margin-bottom:36px;
  opacity:0; transform:translateY(14px); animation:riseIn .7s var(--ease) .55s forwards;
}
.hero-actions{
  display:flex; gap:18px; flex-wrap:wrap;
  opacity:0; transform:translateY(14px); animation:riseIn .7s var(--ease) .7s forwards;
}

.hero-scroll{
  position:absolute; right:44px; bottom:40px; z-index:2;
  display:flex; flex-direction:column; align-items:center; gap:10px;
  color:var(--steel-100); font-family:var(--font-mono); font-size:11px; letter-spacing:.14em;
}
.hero-scroll .line{width:1px; height:46px; background:linear-gradient(var(--amber-500), transparent); animation:scrollLine 1.8s ease-in-out infinite;}
@keyframes scrollLine{ 0%{transform:scaleY(0); transform-origin:top;} 50%{transform:scaleY(1); transform-origin:top;} 51%{transform-origin:bottom;} 100%{transform:scaleY(0); transform-origin:bottom;} }

/* Page (inner) hero — shorter banner for sub pages */
.page-hero{
  position:relative; min-height:56vh; display:flex; align-items:flex-end; color:var(--white); overflow:hidden;
}
.page-hero .hero-content{padding-bottom:64px;}
.page-hero h1{margin-bottom:14px;}
.breadcrumb{
  display:flex; align-items:center; gap:10px; font-family:var(--font-mono); font-size:12px;
  letter-spacing:.08em; text-transform:uppercase; color:var(--steel-100); margin-bottom:18px;
}
.breadcrumb a{color:var(--amber-400);}
.breadcrumb .sep{opacity:.5;}

/* ---- Stat strip ---- */
.stat-strip{
  position:relative; z-index:2;
  background:var(--charcoal-900); color:var(--white);
  margin-top:-1px;
}
.stat-grid{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.1);
}
.stat-item{
  padding:38px 30px; text-align:left;
  border-right:1px solid rgba(255,255,255,.1);
}
.stat-item:last-child{border-right:none;}
.stat-num{
  font-family:var(--font-display); font-weight:700; font-size:clamp(1.9rem,3vw,2.6rem);
  color:var(--amber-400); display:flex; align-items:baseline; gap:2px;
}
.stat-label{font-family:var(--font-mono); font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--steel-300); margin-top:8px;}

@media (max-width:760px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-bottom:1px solid rgba(255,255,255,.1);}
}

/* ============================================================
   DIMENSION-LINE DIVIDER (signature architectural motif)
   ============================================================ */
.dim-divider{
  display:flex; align-items:center; gap:14px;
  padding:0 32px; max-width:var(--container); margin:0 auto;
  color:var(--steel-300);
}
.dim-divider svg{flex:1; height:14px; width:100%;}
.dim-divider span{font-family:var(--font-mono); font-size:10.5px; letter-spacing:.14em; white-space:nowrap; text-transform:uppercase;}

/* ============================================================
   SECTIONS — general
   ============================================================ */
section{padding:110px 0;}
.section-tight{padding:80px 0;}
.bg-sand{background:var(--sand-100);}
.bg-charcoal{background:var(--charcoal-900); color:var(--white);}
.bg-white{background:var(--white);}

/* ---- Services ---- */
.services-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--steel-100); border:1px solid var(--steel-100);
}
.service-card{
  background:var(--white); padding:44px 30px 38px; position:relative; overflow:hidden;
  transition:background .4s var(--ease);
}
.service-card::before{
  content:''; position:absolute; left:0; bottom:0; width:100%; height:3px; background:var(--maroon-700);
  transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease);
}
.service-card:hover{background:var(--sand-50);}
.service-card:hover::before{transform:scaleX(1);}
.service-icon{width:52px; height:52px; margin-bottom:26px; color:var(--maroon-700);}
.service-icon svg{width:100%; height:100%;}
.service-card h3{margin-bottom:12px; font-size:1.1rem;}
.service-card p{font-size:.92rem; color:var(--steel-500);}
.service-tag{
  font-family:var(--font-mono); font-size:10.5px; letter-spacing:.1em; color:var(--steel-300);
  text-transform:uppercase; margin-bottom:16px; display:block;
}

@media (max-width:960px){ .services-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .services-grid{grid-template-columns:1fr;} }

/* ---- Project preview cards ---- */
.projects-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:32px;}
.project-card{
  position:relative; overflow:hidden; aspect-ratio:4/5; display:flex; align-items:flex-end;
  background:var(--charcoal-900);
}
.project-card img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform .7s var(--ease); opacity:.88;
}
.project-card:hover img{transform:scale(1.07);}
.project-card::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 30%, rgba(26,28,31,.94) 100%);
}
.project-card-body{position:relative; z-index:2; padding:32px; color:var(--white); width:100%;}
.project-status{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  display:inline-flex; align-items:center; gap:8px; padding:6px 12px; margin-bottom:14px;
  border:1px solid rgba(255,255,255,.35);
}
.project-status.live{color:var(--amber-400); border-color:var(--amber-500);}
.project-status.live .dot{width:6px; height:6px; border-radius:50%; background:var(--amber-500); animation:pulse 1.6s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.project-card h3{color:var(--white); font-size:1.35rem; margin-bottom:6px;}
.project-loc{font-size:.9rem; color:var(--steel-100); display:flex; align-items:center; gap:6px;}

@media (max-width:760px){ .projects-grid{grid-template-columns:1fr;} }

/* ---- Gallery (project detail pages) ---- */
.gallery-grid{
  display:grid; grid-template-columns:repeat(6,1fr); grid-auto-rows:150px; gap:14px;
}
.gallery-grid .g-item{grid-column:span 3; grid-row:span 2; position:relative; overflow:hidden; cursor:zoom-in;}
.gallery-grid .g-item.tall{grid-row:span 3;}
.gallery-grid .g-item.wide{grid-column:span 6;}
.gallery-grid .g-item img{width:100%; height:100%; object-fit:cover; transition:transform .6s var(--ease);}
.gallery-grid .g-item:hover img{transform:scale(1.08);}
.gallery-grid .g-item::after{
  content:'+'; position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-size:2.2rem; color:var(--white);
  background:rgba(54,10,10,.35); opacity:0; transition:opacity .35s var(--ease);
}
.gallery-grid .g-item:hover::after{opacity:1;}

@media (max-width:760px){
  .gallery-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:170px;}
  .gallery-grid .g-item{grid-column:span 1 !important; grid-row:span 2 !important;}
}

/* Lightbox */
.lightbox{
  position:fixed; inset:0; background:rgba(26,28,31,.96); z-index:2000;
  display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none;
  transition:opacity .35s var(--ease); padding:40px;
}
.lightbox.open{opacity:1; pointer-events:auto;}
.lightbox img{max-width:88vw; max-height:82vh; object-fit:contain; box-shadow:0 30px 80px rgba(0,0,0,.5);}
.lightbox-close{position:absolute; top:28px; right:36px; color:var(--white); font-size:2rem; font-family:var(--font-display); cursor:pointer;}
.lightbox-nav{position:absolute; top:50%; transform:translateY(-50%); color:var(--white); font-size:2.4rem; cursor:pointer; padding:12px 18px; user-select:none;}
.lightbox-nav.prev{left:14px;} .lightbox-nav.next{right:14px;}

/* ---- Project detail info block ---- */
.detail-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:64px; align-items:start;}
.detail-facts{border:1px solid var(--steel-100); padding:36px;}
.detail-facts .fact{display:flex; justify-content:space-between; gap:16px; padding:16px 0; border-bottom:1px solid var(--sand-200);}
.detail-facts .fact:last-child{border-bottom:none;}
.detail-facts .fact-label{font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-500);}
.detail-facts .fact-value{font-weight:600; text-align:right;}
@media (max-width:860px){ .detail-grid{grid-template-columns:1fr;} }

/* ---- Timeline (About page — genuine chronological sequence) ---- */
.timeline{position:relative; max-width:780px; margin:0 auto;}
.timeline::before{content:''; position:absolute; left:120px; top:0; bottom:0; width:1px; background:var(--steel-100);}
.timeline-item{position:relative; display:grid; grid-template-columns:120px 1fr; gap:36px; padding-bottom:56px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-year{font-family:var(--font-mono); font-weight:500; color:var(--maroon-700); text-align:right; padding-right:36px; position:relative;}
.timeline-year::after{content:''; position:absolute; right:-5px; top:4px; width:9px; height:9px; border-radius:50%; background:var(--amber-500); box-shadow:0 0 0 4px var(--sand-50);}
.timeline-item h3{margin-bottom:8px; font-size:1.05rem;}
.timeline-item p{font-size:.94rem;}
@media (max-width:600px){
  .timeline::before{left:56px;}
  .timeline-item{grid-template-columns:56px 1fr; gap:20px;}
  .timeline-year{padding-right:16px; font-size:.8rem;}
}

/* ---- Values grid ---- */
.values-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:28px;}
.value-card{padding:8px 0;}
.value-num{font-family:var(--font-mono); font-size:12px; color:var(--amber-500); margin-bottom:14px; letter-spacing:.1em;}
@media (max-width:760px){ .values-grid{grid-template-columns:1fr;} }

/* ---- CTA banner ---- */
.cta-banner{
  position:relative; padding:88px 0; text-align:center; overflow:hidden;
}
.cta-banner h2{color:var(--white); max-width:680px; margin:0 auto 22px;}
.cta-banner p{color:var(--steel-100); max-width:520px; margin:0 auto 34px;}
.cta-actions{display:flex; gap:18px; justify-content:center; flex-wrap:wrap;}

/* ---- Contact page ---- */
.contact-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:70px; align-items:start;}
.contact-card{
  display:flex; gap:20px; padding:26px 0; border-bottom:1px solid var(--sand-200);
}
.contact-card:first-child{padding-top:0;}
.contact-icon{width:44px; height:44px; flex-shrink:0; color:var(--maroon-700);}
.contact-icon svg{width:100%; height:100%;}
.contact-card h4{font-family:var(--font-body); text-transform:none; font-size:.78rem; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-500); font-weight:600; margin-bottom:6px;}
.contact-card a,.contact-card p{font-size:1.05rem; font-weight:500;}

.form-group{margin-bottom:22px;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:22px;}
.form-group label{
  display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--steel-500); margin-bottom:10px;
}
.form-group input,.form-group select,.form-group textarea{
  width:100%; padding:14px 16px; border:1px solid var(--steel-100); background:var(--white);
  font-family:var(--font-body); font-size:.98rem; color:var(--charcoal-900); transition:border-color .3s var(--ease);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none; border-color:var(--maroon-700);
}
.form-group textarea{resize:vertical; min-height:130px;}
.form-note{font-size:.82rem; color:var(--steel-500); margin-top:14px;}
@media (max-width:760px){ .contact-grid{grid-template-columns:1fr;} .form-row{grid-template-columns:1fr;} }

.map-frame{width:100%; height:100%; min-height:420px; border:1px solid var(--steel-100); filter:grayscale(.25) contrast(1.05);}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--charcoal-900); color:var(--steel-100); padding-top:80px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:50px; padding-bottom:60px; border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand img{height:48px; margin-bottom:18px;}
.footer-brand p{color:var(--steel-300); font-size:.92rem; max-width:280px;}
.footer-col h4{font-family:var(--font-mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--amber-400); font-weight:500; margin-bottom:22px;}
.footer-col ul li{margin-bottom:13px;}
.footer-col a{font-size:.92rem; color:var(--steel-100); transition:color .3s var(--ease);}
.footer-col a:hover{color:var(--amber-400);}
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; padding:26px 0; flex-wrap:wrap; gap:12px;
  font-size:.82rem; color:var(--steel-300); font-family:var(--font-mono);
}
@media (max-width:860px){
  .footer-grid{grid-template-columns:1fr 1fr; row-gap:40px;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0; transform:translateY(34px); transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal.is-visible{opacity:1; transform:translateY(0);}
.reveal-stagger > *{opacity:0; transform:translateY(28px); transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal-stagger.is-visible > *{opacity:1; transform:translateY(0);}
.reveal-stagger.is-visible > *:nth-child(1){transition-delay:.05s;}
.reveal-stagger.is-visible > *:nth-child(2){transition-delay:.15s;}
.reveal-stagger.is-visible > *:nth-child(3){transition-delay:.25s;}
.reveal-stagger.is-visible > *:nth-child(4){transition-delay:.35s;}
.reveal-stagger.is-visible > *:nth-child(5){transition-delay:.45s;}
.reveal-stagger.is-visible > *:nth-child(6){transition-delay:.55s;}

/* ---- Back to top ---- */
.to-top{
  position:fixed; right:26px; bottom:26px; width:48px; height:48px; background:var(--maroon-700); color:var(--white);
  display:flex; align-items:center; justify-content:center; z-index:900; opacity:0; pointer-events:none;
  transform:translateY(10px); transition:all .35s var(--ease);
}
.to-top.show{opacity:1; pointer-events:auto; transform:translateY(0);}
.to-top:hover{background:var(--maroon-800);}

/* ---- misc ---- */
.two-col{display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;}
@media (max-width:860px){ .two-col{grid-template-columns:1fr; gap:36px;} }
.tag-list{display:flex; flex-wrap:wrap; gap:10px; margin-top:24px;}
.tag-list span{font-family:var(--font-mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; padding:8px 14px; border:1px solid var(--steel-100); color:var(--steel-500);}

.figure-frame{position:relative;}
.figure-frame img{width:100%; height:100%; object-fit:cover;}
.figure-caption{
  position:absolute; left:0; bottom:0; background:var(--charcoal-900); color:var(--white);
  padding:12px 18px; font-family:var(--font-mono); font-size:11px; letter-spacing:.06em;
}

/* ---- Project category filter tabs ---- */
.project-filter{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:8px;}
.project-filter button{
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase;
  padding:10px 20px; border:1px solid var(--steel-100); color:var(--steel-500);
  background:var(--white); transition:all .3s var(--ease);
}
.project-filter button:hover{border-color:var(--maroon-700); color:var(--maroon-700);}
.project-filter button.active{background:var(--maroon-700); border-color:var(--maroon-700); color:var(--white);}

/* ---- Stacked project blocks (current / previous project listings) ---- */
.project-block + .project-block{margin-top:0;}
.project-block-divider{
  display:flex; align-items:center; gap:18px; padding:44px 0; color:var(--steel-300);
}
.project-block-divider .line{flex:1; height:1px; background:var(--steel-100);}
.project-block-divider span{font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase; white-space:nowrap;}
.category-pill{
  display:inline-block; font-family:var(--font-mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase;
  padding:6px 12px; border:1px solid var(--amber-500); color:var(--maroon-700); margin-bottom:16px;
}

/* ---- Director profile (About page) ---- */
.director-card{display:grid; grid-template-columns:280px 1fr; gap:48px; align-items:center;}
.director-photo{aspect-ratio:4/5; overflow:hidden; background:var(--sand-200);}
.director-photo img{width:100%; height:100%; object-fit:cover;}
.director-name{font-size:1.4rem; margin-bottom:4px;}
.director-title{font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:var(--amber-500); margin-bottom:18px;}
@media (max-width:720px){ .director-card{grid-template-columns:1fr; gap:28px;} .director-photo{max-width:260px;} }

/* ---- Certificate section (About page) ---- */
.cert-card{display:grid; grid-template-columns:.85fr 1.15fr; gap:56px; align-items:center;}
.cert-frame{border:1px solid var(--steel-100); padding:14px; background:var(--white);}
.cert-frame img{width:100%; height:auto; display:block;}
@media (max-width:820px){ .cert-card{grid-template-columns:1fr; gap:30px;} }