/* ==========================================================================
   Wray-McCann Architect Limited — Design System
   Palette: charcoal + paper white + blueprint blue, drafting-annotation motif
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --charcoal: #1B1E22;
  --charcoal-soft: #454B52;
  --paper: #FAFAF8;
  --white: #FFFFFF;
  --blue: #2F5FA8;
  --blue-deep: #1E3E70;
  --blue-tint: #EBF1FA;
  --line: #DCDCD6;
  --line-soft: #EAEAE5;
  --success: #2F7A4F;
  --danger: #B3432B;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-w: 1180px;
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--charcoal);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin:0 0 .5em; letter-spacing: -0.01em; }
p{ margin: 0 0 1em; color: var(--charcoal-soft); }
.mono{ font-family: var(--font-mono); }

.wrap{ max-width: var(--max-w); 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; }
}

/* ---- Drafting annotation motif ---- */
.tick-label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.tick-label::before{
  content: "";
  width: 22px;
  height: 1px;
  background: var(--blue);
}
.dim-rule{
  border: none;
  border-top: 1px solid var(--line);
  margin: 0;
}

/* ---- Header ---- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand{
  font-family: var(--font-display); font-weight: 700; font-size: 19px;
  display:flex; align-items:center; gap:10px;
}
.brand .mark{
  width: 30px; height: 30px; border: 1.5px solid var(--charcoal);
  display:flex; align-items:center; justify-content:center;
  font-family: var(--font-mono); font-size: 11px; color: var(--blue);
  position: relative;
}
.brand .mark::after{
  content:""; position:absolute; inset:4px; border:1px solid var(--blue); opacity:.5;
}
.brand small{ display:block; font-family: var(--font-mono); font-weight: 400; font-size: 9px; color: var(--charcoal-soft); letter-spacing: .1em; }

.main-nav ul{ display:flex; gap: 32px; align-items:center; }
.main-nav a{
  font-size: 14px; font-weight: 500; color: var(--charcoal-soft);
  padding: 6px 0; border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.main-nav a:hover, .main-nav a.active{ color: var(--charcoal); border-color: var(--blue); }

.header-actions{ display:flex; align-items:center; gap:18px; }
.cart-btn{
  position:relative; display:flex; align-items:center; gap:8px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing:.05em;
  border: 1px solid var(--charcoal); padding: 9px 14px; background: transparent;
  transition: background .15s, color .15s;
}
.cart-btn:hover{ background: var(--charcoal); color: var(--white); }
.cart-count{
  background: var(--blue); color:#fff; border-radius: 999px;
  min-width: 18px; height: 18px; font-size: 10px; display:flex; align-items:center; justify-content:center; padding: 0 4px;
}
.nav-toggle{ display:none; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family: var(--font-body); font-weight: 600; font-size: 14.5px;
  padding: 14px 26px; border: 1px solid var(--charcoal);
  background: var(--charcoal); color: var(--white);
  transition: transform .15s ease, background .15s ease, color .15s, border-color .15s;
  white-space: nowrap;
}
.btn:hover{ background: var(--blue-deep); border-color: var(--blue-deep); transform: translateY(-1px); }
.btn-outline{ background: transparent; color: var(--charcoal); }
.btn-outline:hover{ background: var(--charcoal); color: var(--white); }
.btn-blue{ background: var(--blue); border-color: var(--blue); }
.btn-blue:hover{ background: var(--blue-deep); border-color: var(--blue-deep); }
.btn-full{ width: 100%; }
.btn-sm{ padding: 10px 18px; font-size: 13px; }
.btn[disabled]{ opacity:.55; cursor:not-allowed; transform:none; }

/* ---- Hero ---- */
.hero{
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: center;
}
.hero .wrap{ padding: 100px 24px 90px; display:grid; grid-template-columns: 1.1fr .9fr; gap: 60px; align-items:center; }
.hero-eyebrow{ margin-bottom: 22px; }
.hero h1{ font-size: clamp(34px, 4.4vw, 56px); max-width: 620px; }
.hero .lede{ font-size: 17px; max-width: 480px; margin-bottom: 34px; }
.hero-ctas{ display:flex; gap: 14px; flex-wrap: wrap; }
.hero-figure{
  position:relative; aspect-ratio: 4/5; background: var(--white); border: 1px solid var(--charcoal);
}
.hero-figure svg{ width:100%; height:100%; }
.hero-figure .corner{ position:absolute; width:14px; height:14px; border: 1.5px solid var(--blue); }
.hero-figure .corner.tl{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.hero-figure .corner.br{ bottom:-1px; right:-1px; border-left:none; border-top:none; }
.hero-stats{ display:flex; gap:36px; margin-top: 40px; }
.hero-stats div strong{ display:block; font-family: var(--font-display); font-size: 26px; }
.hero-stats div span{ font-family: var(--font-mono); font-size: 11px; color: var(--charcoal-soft); text-transform:uppercase; letter-spacing:.08em; }

@media (max-width: 900px){
  .hero .wrap{ grid-template-columns: 1fr; padding-top: 60px; }
  .hero-figure{ order:-1; max-width: 340px; }
}

/* ---- Sections ---- */
section{ padding: 90px 0; }
.section-head{ max-width: 620px; margin-bottom: 48px; }
.section-head h2{ font-size: clamp(26px, 3vw, 36px); }
.section-alt{ background: var(--white); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }

/* ---- Feature / benefit cards ---- */
.grid-4{ display:grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border:1px solid var(--line); }
.feature-card{ background: var(--paper); padding: 32px 26px; }
.feature-card .num{ font-family: var(--font-mono); color: var(--blue); font-size: 12px; margin-bottom: 18px; display:block; }
.feature-card h3{ font-size: 17px; margin-bottom: 10px; }
.feature-card p{ font-size: 14.5px; margin:0; }
@media (max-width: 900px){ .grid-4{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .grid-4{ grid-template-columns: 1fr; } }

/* ---- Steps ---- */
.steps{ display:grid; grid-template-columns: repeat(4,1fr); gap: 28px; counter-reset: step; }
.step{ position:relative; padding-top: 20px; }
.step::before{
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size: 13px; color: var(--blue);
  display:block; margin-bottom: 14px;
}
.step h3{ font-size: 16px; margin-bottom: 8px; }
.step p{ font-size: 14px; }
@media (max-width: 900px){ .steps{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px){ .steps{ grid-template-columns: 1fr; } }

/* ---- Product grid ---- */
.toolbar{ display:flex; justify-content:space-between; align-items:center; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.filter-row{ display:flex; gap:10px; flex-wrap:wrap; }
.filter-chip{
  font-family: var(--font-mono); font-size: 12px; letter-spacing:.03em;
  padding: 8px 14px; border: 1px solid var(--line); background: var(--white); color: var(--charcoal-soft);
  transition: all .15s;
}
.filter-chip:hover{ border-color: var(--charcoal); color: var(--charcoal); }
.filter-chip.active{ background: var(--charcoal); border-color: var(--charcoal); color: var(--white); }

.product-grid{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
@media (max-width: 1000px){ .product-grid{ grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px){ .product-grid{ grid-template-columns: 1fr; } }

.product-card{ background: var(--white); border: 1px solid var(--line); display:flex; flex-direction:column; transition: border-color .15s, transform .15s; }
.product-card:hover{ border-color: var(--charcoal); transform: translateY(-2px); }
.product-thumb{ aspect-ratio: 4/3; background: var(--blue-tint); position:relative; overflow:hidden; border-bottom: 1px solid var(--line); }
.product-thumb img{ width:100%; height:100%; object-fit: cover; }
.product-thumb .cat-tag{
  position:absolute; top:10px; left:10px; background: var(--white); border:1px solid var(--charcoal);
  font-family: var(--font-mono); font-size: 10px; padding: 4px 8px; text-transform: uppercase; letter-spacing:.06em;
}
.product-body{ padding: 18px 18px 20px; display:flex; flex-direction:column; gap: 10px; flex:1; }
.product-body h3{ font-size: 15.5px; margin:0; }
.product-body .desc{ font-size: 13px; margin:0; flex:1; }
.product-price-row{ display:flex; align-items:center; justify-content:space-between; margin-top: 6px; }
.price{ font-family: var(--font-mono); font-weight: 500; font-size: 16px; }

/* Skeleton loader */
.skeleton{ background: linear-gradient(90deg, var(--line-soft) 25%, #f2f1ec 37%, var(--line-soft) 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer{ 0%{ background-position:100% 0; } 100%{ background-position:0 0; } }
.skeleton-card{ border:1px solid var(--line); background: var(--white); }
.skeleton-card .product-thumb{ background: var(--line-soft); }
.skeleton-line{ height: 12px; border-radius: 2px; margin-bottom: 8px; }

.empty-state{ padding: 70px 20px; text-align:center; border: 1px dashed var(--line); }
.empty-state h3{ margin-bottom: 8px; }

/* ---- Product detail ---- */
.product-detail{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.pd-gallery{ aspect-ratio: 1/1; background: var(--blue-tint); border:1px solid var(--line); }
.pd-gallery img{ width:100%; height:100%; object-fit:cover; }
.pd-info .cat-tag{ font-family: var(--font-mono); font-size: 11px; color: var(--blue); text-transform:uppercase; letter-spacing:.08em; }
.pd-info h1{ font-size: 30px; margin: 10px 0 14px; }
.pd-price{ font-family: var(--font-mono); font-size: 24px; margin-bottom: 22px; }
.qty-row{ display:flex; align-items:center; gap:14px; margin: 24px 0; }
.qty-control{ display:flex; align-items:center; border:1px solid var(--charcoal); }
.qty-control button{ width:36px; height:40px; background:none; border:none; font-size:16px; }
.qty-control span{ width:40px; text-align:center; font-family: var(--font-mono); }
.pd-meta{ margin-top: 30px; border-top:1px solid var(--line); padding-top: 20px; font-size: 13.5px; }
.pd-meta div{ display:flex; justify-content:space-between; padding: 8px 0; border-bottom: 1px solid var(--line-soft); color: var(--charcoal-soft); }
@media (max-width: 860px){ .product-detail{ grid-template-columns: 1fr; gap: 34px; } }

/* ---- Testimonials ---- */
.testimonial-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.testimonial{ background: var(--white); border: 1px solid var(--line); padding: 28px; display:flex; flex-direction:column; gap: 16px; }
.testimonial .stars{ font-family: var(--font-mono); color: var(--blue); font-size: 13px; letter-spacing: 2px; }
.testimonial p{ font-size: 14.5px; margin:0; flex:1; }
.testimonial .who{ font-family: var(--font-mono); font-size: 12px; color: var(--charcoal-soft); border-top:1px solid var(--line-soft); padding-top: 14px; }
@media (max-width: 900px){ .testimonial-grid{ grid-template-columns: 1fr; } }

/* ---- CTA banner ---- */
.cta-banner{ background: var(--charcoal); color: var(--white); text-align:center; padding: 80px 24px; }
.cta-banner h2{ color:#fff; font-size: clamp(26px,3.4vw,38px); max-width: 640px; margin: 0 auto 14px; }
.cta-banner p{ color: #C9CCD1; max-width: 520px; margin: 0 auto 34px; }
.cta-banner .btn-outline{ border-color:#fff; color:#fff; }
.cta-banner .btn-outline:hover{ background:#fff; color: var(--charcoal); }

/* ---- Forms ---- */
.form-grid{ display:grid; gap: 20px; }
.field label{ display:block; font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; color: var(--charcoal-soft); }
.field input, .field textarea, .field select{
  width:100%; padding: 13px 14px; border: 1px solid var(--line); background: var(--white);
  font-family: var(--font-body); font-size: 14.5px; color: var(--charcoal);
}
.field input:focus, .field textarea:focus, .field select:focus{ outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.field textarea{ resize: vertical; min-height: 130px; }
.form-note{ font-size: 13px; color: var(--charcoal-soft); }

/* ---- Contact layout ---- */
.contact-layout{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info .item{ padding: 18px 0; border-top: 1px solid var(--line); }
.contact-info .item:first-child{ border-top:none; }
.contact-info .label{ font-family: var(--font-mono); font-size: 11px; text-transform:uppercase; color: var(--blue); letter-spacing:.06em; margin-bottom:6px; }
@media (max-width: 860px){ .contact-layout{ grid-template-columns: 1fr; } }

/* ---- FAQ ---- */
.faq-list{ max-width: 760px; }
.faq-item{ border-bottom: 1px solid var(--line); }
.faq-q{ width:100%; text-align:left; background:none; border:none; padding: 22px 0; display:flex; justify-content:space-between; align-items:center; gap: 20px; font-family: var(--font-display); font-size: 16px; font-weight:600; color: var(--charcoal); }
.faq-q .icon{ font-family: var(--font-mono); color: var(--blue); font-size: 18px; flex-shrink:0; }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .25s ease; }
.faq-a p{ padding-bottom: 22px; margin:0; font-size: 14.5px; }
.faq-item.open .faq-a{ max-height: 400px; }

/* ---- Cart drawer ---- */
.cart-overlay{ position:fixed; inset:0; background: rgba(27,30,34,.45); opacity:0; pointer-events:none; transition: opacity .2s; z-index: 90; }
.cart-overlay.open{ opacity:1; pointer-events:auto; }
.cart-drawer{
  position:fixed; top:0; right:0; height:100%; width: 420px; max-width: 92vw;
  background: var(--paper); border-left: 1px solid var(--line); z-index: 91;
  transform: translateX(100%); transition: transform .25s ease;
  display:flex; flex-direction:column;
}
.cart-drawer.open{ transform: translateX(0); }
.cart-head{ display:flex; justify-content:space-between; align-items:center; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.cart-head h3{ margin:0; font-size:17px; }
.cart-close{ background:none; border:none; font-size: 20px; }
.cart-items{ flex:1; overflow-y:auto; padding: 10px 24px; }
.cart-line{ display:flex; gap:14px; padding: 16px 0; border-bottom: 1px solid var(--line-soft); }
.cart-line img{ width:60px; height:60px; object-fit:cover; border:1px solid var(--line); }
.cart-line-info{ flex:1; }
.cart-line-info h4{ font-size: 14px; margin: 0 0 4px; font-family: var(--font-body); font-weight:600; }
.cart-line-info .mono{ font-size: 12.5px; color: var(--charcoal-soft); }
.cart-line-actions{ display:flex; align-items:center; gap: 10px; margin-top: 8px; }
.cart-line-actions button{ background:none; border:1px solid var(--line); width:24px; height:24px; font-size:13px; }
.cart-remove{ font-family: var(--font-mono); font-size: 11px; color: var(--danger); background:none; border:none; text-decoration: underline; margin-left:auto; }
.cart-foot{ padding: 22px 24px; border-top: 1px solid var(--line); }
.cart-total-row{ display:flex; justify-content:space-between; margin-bottom: 18px; font-family: var(--font-mono); font-size: 15px; }
.cart-empty{ text-align:center; padding: 60px 20px; color: var(--charcoal-soft); font-size: 14px; }

/* ---- Footer ---- */
.site-footer{ background: var(--charcoal); color: #C9CCD1; padding: 70px 0 30px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer-grid h4{ color:#fff; font-size: 13px; font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.08em; margin-bottom: 18px; }
.footer-grid p{ color: #9BA0A8; font-size: 13.5px; }
.footer-grid ul li{ margin-bottom: 10px; }
.footer-grid a{ color:#C9CCD1; font-size: 13.5px; }
.footer-grid a:hover{ color:#fff; }
.footer-bottom{ border-top: 1px solid #33373D; padding-top: 26px; display:flex; justify-content:space-between; flex-wrap:wrap; gap: 12px; font-size: 12.5px; color: #7D828A; font-family: var(--font-mono); }
@media (max-width: 860px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }

/* ---- Static / legal pages ---- */
.page-hero{ padding: 70px 0 40px; border-bottom: 1px solid var(--line); background: var(--white); }
.page-hero h1{ font-size: clamp(28px,3.6vw,42px); margin-bottom: 10px; }
.prose{ max-width: 760px; }
.prose h2{ font-size: 20px; margin-top: 40px; }
.prose p, .prose li{ font-size: 15px; color: var(--charcoal-soft); }
.prose li{ margin-bottom: 8px; margin-left: 20px; list-style: disc; }
.prose ol li{ list-style: decimal; }

/* ---- Success / Cancel pages ---- */
.result-page{ min-height: 60vh; display:flex; align-items:center; }
.result-box{ max-width: 560px; margin: 0 auto; text-align:center; }
.result-icon{ width:64px; height:64px; margin:0 auto 26px; border: 1.5px solid var(--charcoal); display:flex; align-items:center; justify-content:center; font-family: var(--font-mono); font-size: 26px; }
.result-icon.ok{ border-color: var(--success); color: var(--success); }
.result-icon.cancel{ border-color: var(--danger); color: var(--danger); }

/* ---- Toast ---- */
.toast{ position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--charcoal); color:#fff; padding: 14px 22px; font-size: 13.5px; opacity:0; pointer-events:none; transition: all .25s; z-index: 200; }
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* ---- Mobile nav ---- */
@media (max-width: 860px){
  .main-nav{ position: fixed; top:76px; left:0; right:0; bottom:0; background: var(--paper); transform: translateX(100%); transition: transform .2s; z-index: 60; padding: 30px 24px; }
  .main-nav.open{ transform: translateX(0); }
  .main-nav ul{ flex-direction:column; align-items:flex-start; gap: 10px; }
  .main-nav a{ font-size: 20px; padding: 10px 0; }
  .nav-toggle{ display:flex; flex-direction:column; gap:5px; background:none; border:none; padding:8px; }
  .nav-toggle span{ width:22px; height:2px; background: var(--charcoal); }
  .header-actions .btn{ display:none; }
}