/* ============================================
   B&B Building and Design — Design & Build, Sydney
   ============================================ */

:root{
  --bg: #f6f3ee;        /* warm off-white */
  --bg-alt: #efeae1;
  --ink: #1a1a1a;       /* near-black */
  --ink-soft: #4a4945;
  --muted: #8a857d;
  --line: #e3ddd1;
  --accent: #b48a5a;    /* warm tan */
  --accent-dark: #8c6a40;
  --dark: #161513;      /* deep charcoal */
  --white: #ffffff;

  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 2px;
  --container: 1240px;
  --ease: cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent)}
em{font-style:italic;color:var(--accent-dark)}

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

/* ============ Typography ============ */
.eyebrow{
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent-dark);
  font-weight:500;
  margin-bottom:18px;
}
.eyebrow.dark{color:var(--ink-soft)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.15}
.section-title{
  font-size:clamp(28px, 4vw, 52px);
  font-weight:500;
  margin-bottom:24px;
  color:var(--ink);
}
.section-title em{font-style:italic;font-weight:400;color:var(--accent-dark)}
.section-lead{
  font-size:17px;
  color:var(--ink-soft);
  max-width:640px;
  line-height:1.7;
}

/* ============ Header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:18px 0;
  background:transparent;
  transition:background .3s var(--ease), padding .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(246,243,238,.96);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 1px 0 rgba(0,0,0,.05);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:baseline;gap:8px;color:var(--white);transition:color .3s var(--ease)}
.site-header.scrolled .brand{color:var(--ink)}
.brand-mark{
  font-family:var(--serif);
  font-size:26px;
  font-weight:600;
  letter-spacing:.04em;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.28em;
  text-transform:uppercase;
  font-weight:400;
  opacity:.85;
}
.brand-mark.light,.brand-sub.light{color:var(--white)}

.nav-links{display:flex;gap:36px;align-items:center}
.nav-links a{
  font-size:13px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--white);
  font-weight:400;
  position:relative;
  padding:6px 0;
}
.site-header.scrolled .nav-links a{color:var(--ink)}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;
  width:0;height:1px;background:var(--accent);
  transition:width .3s var(--ease);
}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--accent)}
.site-header.scrolled .nav-links a.active{color:var(--accent-dark)}
.nav-links a.active::after{width:100%;background:var(--accent)}

.nav-toggle{
  display:none;background:none;border:none;cursor:pointer;padding:0;
  width:32px;height:24px;flex-direction:column;justify-content:space-between;
  z-index:60;
}
.nav-toggle span{
  display:block;height:2px;background:var(--white);width:100%;
  border-radius:2px;
  box-shadow:0 1px 3px rgba(0,0,0,.4);
  transition:all .3s var(--ease);
}
.site-header.scrolled .nav-toggle span{background:var(--ink)}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;
  color:var(--white);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('img/home-hero.jpg');
  background-size:cover;background-position:center;
  transform:scale(1.05);
  animation:slowZoom 18s var(--ease) infinite alternate;
}
@keyframes slowZoom{from{transform:scale(1.05)}to{transform:scale(1.15)}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,.35) 50%, rgba(0,0,0,.65) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:80px}
.hero .eyebrow{color:rgba(255,255,255,.85)}
.hero-title{
  font-size:clamp(44px, 8vw, 96px);
  font-weight:400;
  line-height:1.05;
  margin-bottom:24px;
  letter-spacing:-.02em;
}
.hero-title .italic{font-style:italic;color:#e9d4b3}
.hero-sub{
  font-size:clamp(16px,1.4vw,19px);
  max-width:540px;
  color:rgba(255,255,255,.85);
  margin-bottom:40px;
  line-height:1.6;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}

.btn{
  display:inline-block;
  padding:16px 32px;
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  border:1px solid transparent;
  border-radius:var(--radius);
  cursor:pointer;
  transition:all .3s var(--ease);
  font-family:var(--sans);
}
.btn-primary{background:var(--accent);color:var(--white);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:var(--white)}
.btn-ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:var(--white);color:var(--ink)}
.btn.full{width:100%;text-align:center}

.scroll-indicator{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  width:1px;height:48px;background:rgba(255,255,255,.3);
  overflow:hidden;
}
.scroll-indicator span{
  display:block;width:100%;height:24px;background:var(--white);
  animation:scrollDown 2s var(--ease) infinite;
}
@keyframes scrollDown{
  0%{transform:translateY(-100%)}
  100%{transform:translateY(200%)}
}

/* ============ Sections ============ */
.section{padding:120px 0}
.section-head{margin-bottom:72px;max-width:780px}
.focus-list{
  list-style:none;
  margin-top:28px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px 32px;
  max-width:680px;
}
.focus-list li{
  padding-left:22px;position:relative;
  font-size:15px;color:var(--ink-soft);
}
.focus-list li::before{
  content:'';position:absolute;left:0;top:11px;
  width:10px;height:1px;background:var(--accent);
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .section-lead{margin-left:auto;margin-right:auto}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}

/* ============ About ============ */
.section-about{background:var(--bg)}
.about-copy p{margin-bottom:20px;color:var(--ink-soft);font-size:16px;line-height:1.8}
.stats{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;margin-top:48px;
  padding-top:40px;border-top:1px solid var(--line);
}
.stats div{display:flex;flex-direction:column;gap:6px}
.stat-num{font-family:var(--serif);font-size:42px;font-weight:500;color:var(--accent-dark);line-height:1}
.stat-label{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ============ Services ============ */
.section-services{background:var(--bg-alt)}
.service-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--line);
  border:1px solid var(--line);
}
.service-card{
  background:var(--bg-alt);
  padding:48px 36px;
  transition:background .35s var(--ease), transform .35s var(--ease);
  display:block;text-decoration:none;color:inherit;
}
.service-card:hover{background:var(--white);transform:translateY(-2px);color:inherit}
.service-num{
  font-family:var(--serif);
  font-size:14px;
  color:var(--accent-dark);
  letter-spacing:.1em;
  margin-bottom:24px;
}
.service-card h3{font-size:24px;margin-bottom:14px;color:var(--ink)}
.service-card p{color:var(--ink-soft);font-size:15px;line-height:1.7}

/* ============ Feature strip ============ */
.feature-strip{
  background:var(--dark);
  color:var(--white);
  padding:96px 0;
  text-align:center;
}
.feature-strip h2{
  font-family:var(--serif);
  font-size:clamp(28px, 3.6vw, 44px);
  font-weight:400;
  font-style:italic;
  max-width:880px;
  margin:0 auto 16px;
  line-height:1.4;
  color:#f0e6d6;
}
.feature-strip p{
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:rgba(255,255,255,.5);
}

/* ============ Portfolio ============ */
.section-portfolio{background:var(--bg)}
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  grid-auto-rows:240px;
  gap:16px;
}
.p-item{
  position:relative;
  background-size:cover;background-position:center;
  overflow:hidden;
  display:block;
  transition:transform .5s var(--ease);
}
.p-item::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 50%, rgba(0,0,0,.7) 100%);
  transition:background .4s var(--ease);
}
.p-item:hover::after{background:linear-gradient(180deg,rgba(0,0,0,.2) 0%, rgba(0,0,0,.8) 100%)}
.p-item:hover{transform:scale(1.01)}
.p-tall{grid-row:span 2;grid-column:span 2}
.p-wide{grid-column:span 2}
.p-meta{
  position:absolute;left:24px;bottom:20px;z-index:2;color:#fff;
  display:flex;flex-direction:column;gap:4px;
  transform:translateY(8px);opacity:.85;
  transition:all .4s var(--ease);
}
.p-item:hover .p-meta{transform:translateY(0);opacity:1}
.p-meta span{font-family:var(--serif);font-size:22px;font-weight:500}
.p-meta em{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:#e9d4b3;font-style:normal}

.section-cta{
  margin-top:48px;text-align:center;
  font-family:var(--serif);font-size:18px;font-style:italic;color:var(--ink-soft);
}
.section-cta a{color:var(--accent-dark);font-weight:500;border-bottom:1px solid var(--accent);padding-bottom:2px}
.section-cta a:hover{color:var(--accent);border-bottom-color:var(--accent-dark)}

/* ============ Testimonials ============ */
.section-testimonials{background:var(--bg-alt)}
.t-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.t-card{
  background:var(--white);
  padding:48px 40px;
  border:1px solid var(--line);
  position:relative;
}
.t-card::before{
  content:'\201C';
  position:absolute;top:12px;left:24px;
  font-family:var(--serif);
  font-size:96px;
  color:var(--accent);
  opacity:.25;
  line-height:1;
}
.t-card blockquote{
  font-family:var(--serif);
  font-size:19px;
  line-height:1.55;
  color:var(--ink);
  margin-bottom:24px;
  font-weight:400;
  position:relative;z-index:1;
}
.t-card figcaption{
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--accent-dark);
  font-weight:500;
}

/* ============ Blog ============ */
.section-blog{background:var(--bg)}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.blog-card{
  background:var(--white);
  border:1px solid var(--line);
  overflow:hidden;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
  display:block;
  text-decoration:none;
  color:inherit;
}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px -16px rgba(0,0,0,.15)}
.blog-img{
  height:240px;background-size:cover;background-position:center;
  transition:transform .6s var(--ease);
}
.blog-card:hover .blog-img{transform:scale(1.04)}
.blog-body{padding:32px}
.blog-cat{
  display:inline-block;font-size:10px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-dark);margin-bottom:14px;font-weight:500;
}
.blog-card h3{font-size:22px;margin-bottom:14px;line-height:1.3;color:var(--ink)}
.blog-meta{font-size:12px;color:var(--muted);letter-spacing:.04em}

/* ============ Contact ============ */
.section-contact{background:var(--bg-alt)}
.contact-lead{font-size:17px;color:var(--ink-soft);margin-bottom:40px;line-height:1.7}
.contact-info{list-style:none;display:flex;flex-direction:column;gap:20px}
.contact-info li{
  display:grid;grid-template-columns:120px 1fr;gap:16px;
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.contact-info strong{
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--muted);font-weight:500;padding-top:2px;
}
.contact-info span{color:var(--ink);font-size:15px}

.contact-form{
  background:var(--white);
  padding:48px;
  border:1px solid var(--line);
  display:flex;flex-direction:column;gap:20px;
}
.contact-form label{
  display:flex;flex-direction:column;gap:8px;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);font-weight:500;
}
.contact-form input,
.contact-form textarea,
.contact-form select{
  font-family:var(--sans);
  font-size:15px;
  padding:14px 0;
  background:transparent;
  border:none;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  letter-spacing:0;text-transform:none;font-weight:400;
  transition:border-color .25s var(--ease);
  outline:none;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus{border-bottom-color:var(--accent)}
.contact-form textarea{resize:vertical;min-height:120px}
.form-success{
  display:none;color:var(--accent-dark);font-size:14px;margin-top:8px;
  letter-spacing:0;text-transform:none;font-weight:400;
}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:80px 0 0}
.footer-inner{display:grid;grid-template-columns:1fr 2fr;gap:64px;padding-bottom:64px}
.footer-tag{
  margin-top:16px;font-family:var(--serif);font-style:italic;
  color:#e9d4b3;font-size:18px;
}
.footer-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-cols h4{
  font-family:var(--sans);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--white);margin-bottom:14px;font-weight:600;
}
.footer-cols p{font-size:14px;line-height:1.7}
.footer-cols a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:24px 0;font-size:12px;color:rgba(255,255,255,.5);
  letter-spacing:.04em;
}

/* ============ Inner pages ============ */
.page-hero{
  position:relative;
  padding:200px 0 96px;
  background:var(--dark);
  color:var(--white);
  overflow:hidden;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,21,19,.45) 0%,rgba(22,21,19,.7) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero[data-bg="about"]::before{background-image:url('img/hero-about.jpg')}
.page-hero[data-bg="services"]::before{background-image:url('img/hero-services.jpg')}
.page-hero[data-bg="portfolio"]::before{background-image:url('img/hero-portfolio.jpg')}
.page-hero[data-bg="blog"]::before{background-image:url('img/hero-blog.jpg')}
.page-hero[data-bg="contact"]::before{background-image:url('img/hero-contact.jpg')}
.page-hero .eyebrow{color:rgba(255,255,255,.85)}
.page-hero h1{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(40px,6vw,72px);line-height:1.1;letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:italic;color:#e9d4b3}
.page-hero p.lead{font-size:18px;color:rgba(255,255,255,.85);max-width:640px;line-height:1.6}

.breadcrumb{
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(255,255,255,.7);margin-bottom:24px;
}
.breadcrumb a{color:rgba(255,255,255,.7);border-bottom:1px solid transparent;padding-bottom:1px}
.breadcrumb a:hover{color:var(--white);border-bottom-color:rgba(255,255,255,.5)}
.breadcrumb span{margin:0 10px;opacity:.5}

/* Article / post body */
.post-body{max-width:760px;margin:0 auto;padding:96px 0}
.post-body h2{font-family:var(--serif);font-size:32px;margin:48px 0 16px;color:var(--ink)}
.post-body h3{font-family:var(--serif);font-size:24px;margin:32px 0 12px;color:var(--ink)}
.post-body p{font-size:17px;line-height:1.8;color:var(--ink-soft);margin-bottom:20px}
.post-body ul, .post-body ol{margin:0 0 20px 24px;color:var(--ink-soft);font-size:17px;line-height:1.8}
.post-body li{margin-bottom:8px}
.post-body blockquote{
  border-left:3px solid var(--accent);
  padding:8px 24px;margin:32px 0;
  font-family:var(--serif);font-style:italic;font-size:22px;color:var(--ink);
}
.post-body img{margin:32px 0;border-radius:2px}
.post-meta-line{
  font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);margin-bottom:24px;
}

/* Service detail blocks (services.html) */
.service-detail{
  display:grid;grid-template-columns:1fr 2fr;gap:64px;
  padding:80px 0;border-bottom:1px solid var(--line);
}
.service-detail:last-child{border-bottom:none}
.service-detail h3{font-family:var(--serif);font-size:32px;margin-bottom:8px;color:var(--ink)}
.service-detail .num{font-family:var(--serif);font-size:14px;color:var(--accent-dark);letter-spacing:.1em;margin-bottom:8px}
.service-detail p{color:var(--ink-soft);line-height:1.8;margin-bottom:14px}
.service-detail ul{margin:14px 0 0 22px;color:var(--ink-soft);line-height:1.8}

/* Project detail layout */
.project-hero-img{
  width:100%;height:560px;background-size:cover;background-position:center;
}
.project-detail{padding:80px 0}
.project-meta{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:32px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:48px;
}
.project-meta div{display:flex;flex-direction:column;gap:6px}
.project-meta strong{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500}
.project-meta span{font-family:var(--serif);font-size:18px;color:var(--ink)}

.project-gallery{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:48px 0;
}
.project-gallery div{height:340px;background-size:cover;background-position:center}

/* Filter / category chips */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:48px}
.chip{
  display:inline-block;padding:8px 18px;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  border:1px solid var(--line);color:var(--ink-soft);
  background:var(--white);transition:all .25s var(--ease);
  cursor:pointer;
}
.chip:hover, .chip.is-active{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* Map placeholder for contact page */
.map-embed{
  width:100%;height:360px;border:0;margin-top:48px;
  border:1px solid var(--line);
}

/* Larger portfolio grid for portfolio.html */
.portfolio-grid.full{grid-auto-rows:280px}

/* ============ Reveal Animations (progressive enhancement) ============ */
/* Only hide elements when JS is active AND not printing */
.js-on .reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease), transform .8s var(--ease)}
.js-on .reveal.in{opacity:1;transform:translateY(0)}
@media print{
  .reveal{opacity:1 !important;transform:none !important}
  .site-header,.scroll-indicator,.hero-overlay{display:none !important}
  .hero{min-height:auto;padding:60px 0}
  .hero-bg{position:relative;height:400px}
}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
}

/* ============ Responsive ============ */
@media (max-width: 1024px){
  .grid-2{grid-template-columns:1fr;gap:48px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .t-grid,.blog-grid{grid-template-columns:1fr 1fr}
  .portfolio-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px}
  .p-tall{grid-row:span 1;grid-column:span 1}
  .p-wide{grid-column:span 2}
  .footer-inner{grid-template-columns:1fr}
}

@media (max-width: 720px){
  .container{padding:0 22px}
  .section{padding:80px 0}
  .section-head{margin-bottom:48px}
  .brand-sub{display:none}
  .nav-links{
    position:fixed;top:0;right:-100%;
    width:75%;max-width:340px;height:100vh;
    background:var(--bg);
    flex-direction:column;justify-content:center;
    gap:28px;padding:32px;
    transition:right .4s var(--ease);
    box-shadow:-10px 0 40px rgba(0,0,0,.1);
  }
  .nav-links.open{right:0}
  .nav-links a{color:var(--ink) !important;font-size:14px}
  .nav-toggle{display:flex}
  .hero{min-height:90vh}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .btn{width:100%;text-align:center}
  .service-grid{grid-template-columns:1fr}
  .t-grid,.blog-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr;gap:18px}
  .stat-num{font-size:36px}
  .footer-cols{grid-template-columns:1fr;gap:24px}
  .contact-info li{grid-template-columns:1fr;gap:4px}
  .contact-form{padding:32px 24px}
  .portfolio-grid{grid-template-columns:1fr;grid-auto-rows:260px}
  .p-wide{grid-column:span 1}
  .focus-list{grid-template-columns:1fr;gap:8px}
  .page-hero{padding:140px 0 64px}
  .service-detail{grid-template-columns:1fr;gap:24px;padding:48px 0}
  .project-meta{grid-template-columns:1fr 1fr;gap:18px}
  .project-gallery{grid-template-columns:1fr}
  .project-hero-img{height:300px}
  .post-body{padding:64px 0}
}