/* ===========================================================
   LEVEL UP INTERIOR DESIGN , design system
   Palette derived from verified brand material (Instagram grid:
   materials/mood board naming Burgundy, Antique Brass, Warm
   Greige, Cream, Sage Green, Walnut) and photography tones.
   Typography: Archivo (bold, architectural display) + Inter (body)
=========================================================== */

:root{
  --bg:            #F5F1EA;   /* warm off-white */
  --bg-alt:        #EAE2D3;   /* soft cream / secondary surface */
  --stone:         #DCD3C2;   /* light stone, borders, hairlines */
  --dark:          #1C1A17;   /* charcoal, near-black, warm undertone */
  --wood:          #6E4A32;   /* walnut accent */
  --brass:         #A2814F;   /* restrained antique brass */
  --sage:          #6B6E52;   /* muted olive / sage */
  --burgundy:      #6E2A2A;   /* rare accent only */
  --ink-70:        rgba(28,26,23,0.7);
  --ink-50:        rgba(28,26,23,0.5);
  --ink-30:        rgba(28,26,23,0.3);
  --ink-12:        rgba(28,26,23,0.12);

  --max-width:     1320px;
  --gutter:        clamp(20px, 5vw, 64px);
  --radius:        2px;

  --font-display:  "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body:     "Inter", "Helvetica Neue", Arial, sans-serif;

  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }

.wrap{
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* -----------------------------------------------------------
   Typography scale
----------------------------------------------------------- */
.eyebrow{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-50);
}
.eyebrow.on-dark{ color: rgba(245,241,234,0.6); }

h1, .h1{
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.02;
  font-size: clamp(40px, 6.2vw, 92px);
}
h2, .h2{
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.05;
  font-size: clamp(30px, 4vw, 52px);
}
h3, .h3{
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.005em;
  line-height: 1.15;
  font-size: clamp(20px, 2.2vw, 28px);
}
h4, .h4{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.lede{
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.6;
  color: var(--ink-70);
  max-width: 46ch;
}
.body-text{ font-size: 16px; color: var(--ink-70); max-width: 60ch; }
.on-dark{ color: var(--bg); }
.on-dark .lede, .on-dark p{ color: rgba(245,241,234,0.72); }

/* -----------------------------------------------------------
   Buttons
----------------------------------------------------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--dark);
  border-radius: var(--radius);
  background: var(--dark);
  color: var(--bg);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  white-space: nowrap;
}
.btn:hover{ background: var(--wood); border-color: var(--wood); transform: translateY(-1px); }
.btn.outline{
  background: transparent;
  color: var(--dark);
  border-color: var(--dark);
}
.btn.outline:hover{ background: var(--dark); color: var(--bg); }
.btn.on-dark-outline{
  background: transparent;
  color: var(--bg);
  border-color: rgba(245,241,234,0.5);
}
.btn.on-dark-outline:hover{ background: var(--bg); color: var(--dark); border-color: var(--bg); }
.btn.small{ padding: 11px 20px; font-size: 12px; }
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  border-bottom:1px solid currentColor;
  padding-bottom:3px;
  transition: opacity .2s var(--ease);
}
.text-link:hover{ opacity:.6; }
.arrow{ transition: transform .25s var(--ease); }
.text-link:hover .arrow{ transform: translateX(4px); }

/* -----------------------------------------------------------
   Header / Navigation
----------------------------------------------------------- */
.site-header{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 500;
  background: rgba(245,241,234,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease), padding .3s var(--ease);
}
.site-header.scrolled{
  border-color: var(--ink-12);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 22px var(--gutter);
  max-width: var(--max-width);
  margin: 0 auto;
  transition: padding .3s var(--ease);
}
.site-header.scrolled .header-inner{ padding-top:14px; padding-bottom:14px; }

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.06em;
}
.brand .mark{
  width: 30px; height:30px;
  border:1.5px solid var(--dark);
  display:flex; align-items:center; justify-content:center;
  font-size: 12px;
  font-weight:800;
  transform: rotate(0deg);
}

.main-nav{ display:flex; align-items:center; gap:40px; }
.main-nav ul{ display:flex; align-items:center; gap:32px; }
.main-nav a{
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  padding: 4px 0;
}
.main-nav a::after{
  content:"";
  position:absolute; left:0; right:100%; bottom:0;
  height:1px; background: var(--dark);
  transition: right .25s var(--ease);
}
.main-nav a:hover::after, .main-nav a.active::after{ right:0; }
.main-nav a.active{ color: var(--wood); }

.nav-cta{ display:flex; align-items:center; gap:18px; }

.nav-toggle{
  display:none;
  width: 42px; height:42px;
  border: 1px solid var(--dark);
  background:none;
  align-items:center;
  justify-content:center;
  position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";
  position:absolute;
  width:18px; height:1.5px;
  background: var(--dark);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}
.nav-toggle span::before{ transform: translateY(-6px); }
.nav-toggle span::after{ transform: translateY(6px); }
.nav-toggle.open span{ background: transparent; }
.nav-toggle.open span::before{ transform: rotate(45deg); }
.nav-toggle.open span::after{ transform: rotate(-45deg); }

.mobile-nav{
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 480;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding: 100px var(--gutter) 60px;
  transform: translateY(-100%);
  transition: transform .4s var(--ease);
}
.mobile-nav.open{ transform: translateY(0); }
.mobile-nav ul{ display:flex; flex-direction:column; gap: 18px; margin-bottom: 40px; }
.mobile-nav a{ font-family: var(--font-display); font-weight:700; font-size: 34px; }
.mobile-nav .mobile-actions{ display:flex; flex-direction:column; gap:14px; }

/* -----------------------------------------------------------
   Hero
----------------------------------------------------------- */
.hero{
  padding: 168px var(--gutter) 0;
  max-width: var(--max-width);
  margin: 0 auto;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:end;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--ink-12);
}
.hero-copy .eyebrow{ margin-bottom: 22px; }
.hero-copy h1{ margin-bottom: 26px; }
.hero-copy .lede{ margin-bottom: 34px; }
.hero-actions{ display:flex; align-items:center; gap: 22px; flex-wrap:wrap; }

.hero-visual{
  position:relative;
  aspect-ratio: 4/5;
  overflow:hidden;
  background: var(--bg-alt);
}
.hero-visual img{ width:100%; height:100%; object-fit:cover; }
.hero-visual .tag{
  position:absolute;
  left:18px; bottom:18px;
  background: rgba(245,241,234,0.92);
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight:600;
}

.hero-meta{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 40px 0 56px;
}
.hero-meta .meta-item .num{
  font-family: var(--font-display);
  font-weight:800;
  font-size: 13px;
  color: var(--wood);
  margin-bottom: 10px;
  display:block;
}
.hero-meta .meta-item p{ font-size: 14.5px; color: var(--ink-70); max-width: 30ch; }

/* -----------------------------------------------------------
   Section scaffolding
----------------------------------------------------------- */
section{ position:relative; }
.section{ padding: 96px 0; }
.section.tight{ padding: 64px 0; }
.section-head{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items:end;
  margin-bottom: 56px;
}
.section-head .eyebrow{ margin-bottom:18px; }
.section-head .section-desc{ justify-self:end; text-align:right; }
.on-dark-section{ background: var(--dark); }
.alt-section{ background: var(--bg-alt); }

/* Content is visible by default. Opacity is only pulled to 0 for the
   reveal-on-scroll effect once a synchronous head script confirms
   JavaScript is actually running (html.js). If JS is blocked, slow,
   or fails for any reason, content simply stays visible instead of
   being permanently hidden. */
html.js .reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.in-view{ opacity:1; transform: translateY(0); }

/* -----------------------------------------------------------
   Services grid (Home preview + Services page)
----------------------------------------------------------- */
.services-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink-12);
  border-left: 1px solid var(--ink-12);
}
.service-card{
  border-right: 1px solid var(--ink-12);
  border-bottom: 1px solid var(--ink-12);
  padding: 40px 32px;
  min-height: 240px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition: background .3s var(--ease);
}
.service-card:hover{ background: var(--bg-alt); }
.service-card .num{ font-family: var(--font-display); font-weight:800; color: var(--wood); font-size:14px; }
.service-card h3{ margin: 28px 0 12px; }
.service-card p{ color: var(--ink-70); font-size:14.5px; }

/* -----------------------------------------------------------
   Project grid
----------------------------------------------------------- */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.filter-btn{
  padding: 10px 18px;
  border: 1px solid var(--ink-12);
  font-size: 12px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  background: transparent;
  transition: all .2s var(--ease);
}
.filter-btn:hover{ border-color: var(--dark); }
.filter-btn.active{ background: var(--dark); color: var(--bg); border-color: var(--dark); }

.project-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 28px;
}
.project-card{
  grid-column: span 6;
  display:block;
}
.project-card.span-4{ grid-column: span 4; }
.project-card.span-8{ grid-column: span 8; }
.project-card .thumb{
  position:relative;
  overflow:hidden;
  background: var(--bg-alt);
  aspect-ratio: 4/5;
}
.project-card.ratio-1x1 .thumb{ aspect-ratio: 1/1; }
.project-card.ratio-16x10 .thumb{ aspect-ratio: 16/10; }
.project-card .thumb img{
  width:100%; height:100%; object-fit:cover;
  transition: transform .6s var(--ease);
}
.project-card:hover .thumb img{ transform: scale(1.04); }
.project-card .thumb::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,0.32) 100%);
  opacity:0;
  transition: opacity .3s var(--ease);
}
.project-card:hover .thumb::after{ opacity:1; }
.project-card .meta{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  padding-top: 18px;
  gap: 16px;
}
.project-card .meta h3{ font-size: 19px; margin-bottom:6px; }
.project-card .meta .loc{ font-size:13px; color: var(--ink-50); }
.project-card .meta .type-tag{
  font-size:11px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  color: var(--wood);
  white-space:nowrap;
}
.project-card[hidden]{ display:none; }

/* -----------------------------------------------------------
   Process timeline
----------------------------------------------------------- */
.process-list{ border-top:1px solid var(--ink-12); }
.process-row{
  display:grid;
  grid-template-columns: 90px 1fr 1.4fr;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--ink-12);
  align-items:start;
}
.process-row .step-num{
  font-family: var(--font-display);
  font-weight:800;
  font-size: 34px;
  color: var(--stone);
}
.process-row h3{ padding-top:4px; }
.process-row p{ color: var(--ink-70); font-size:15px; padding-top:4px; max-width:56ch; }

/* -----------------------------------------------------------
   About
----------------------------------------------------------- */
.about-grid{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items:start;
}
.about-visual{ aspect-ratio: 4/5; overflow:hidden; background:var(--bg-alt); position:sticky; top:110px; }
.about-visual img{ width:100%; height:100%; object-fit:cover; }
.about-points{ display:grid; grid-template-columns: repeat(2,1fr); gap: 28px; margin-top: 40px; }
.about-points .point h4{ margin-bottom:10px; color:var(--wood); }
.about-points .point p{ font-size:14.5px; color:var(--ink-70); }

/* -----------------------------------------------------------
   Contact / consultation forms
----------------------------------------------------------- */
.form-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 28px;
}
.field{ display:flex; flex-direction:column; gap:8px; }
.field.full{ grid-column: 1 / -1; }
.field label{
  font-size: 12px;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color: var(--ink-70);
}
.field input, .field select, .field textarea{
  border: none;
  border-bottom: 1px solid var(--ink-30);
  background: transparent;
  padding: 12px 2px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--dark);
  transition: border-color .2s var(--ease);
}
.field textarea{ resize: vertical; min-height: 96px; }
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--dark);
}
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible{
  outline: 2px solid var(--wood);
  outline-offset: 2px;
}
.form-foot{ display:flex; align-items:center; justify-content:space-between; gap: 20px; margin-top: 36px; flex-wrap:wrap; }
.form-note{ font-size: 13px; color: var(--ink-50); max-width: 40ch; }

.confirm-panel{
  display:none;
  padding: 56px;
  border: 1px solid var(--ink-12);
  text-align:center;
}
.confirm-panel.show{ display:block; }
.confirm-panel h3{ margin-bottom: 14px; }
.confirm-panel p{ color: var(--ink-70); max-width: 48ch; margin: 0 auto; }

/* -----------------------------------------------------------
   Contact page blocks
----------------------------------------------------------- */
.contact-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  border-top:1px solid var(--ink-12);
  border-left:1px solid var(--ink-12);
}
.contact-card{
  border-right:1px solid var(--ink-12);
  border-bottom:1px solid var(--ink-12);
  padding: 36px 30px;
}
.contact-card h4{ color: var(--wood); margin-bottom: 16px; }
.contact-card a, .contact-card p{ font-size:15px; color: var(--ink-70); }
.contact-card a:hover{ color: var(--dark); }

.whatsapp-cta{
  display:flex;
  align-items:center;
  gap:14px;
  padding: 26px 30px;
  border: 1px solid var(--ink-12);
  margin-top: 28px;
}
.whatsapp-cta .icon{ width:22px; height:22px; flex:none; }
.whatsapp-cta .txt strong{ display:block; font-family:var(--font-display); font-weight:700; font-size:15px; margin-bottom:4px; }
.whatsapp-cta .txt span{ font-size:13px; color: var(--ink-50); }
.whatsapp-cta{ text-decoration:none; }

/* -----------------------------------------------------------
   Sticky bottom bar (mobile whatsapp / consult)
----------------------------------------------------------- */
.sticky-bar{
  position: fixed;
  left:0; right:0; bottom:0;
  z-index: 400;
  display:none;
  background: var(--bg);
  border-top: 1px solid var(--ink-12);
  padding: 12px var(--gutter);
  gap: 10px;
}
.sticky-bar .btn{ flex:1; justify-content:center; }

/* -----------------------------------------------------------
   Footer
----------------------------------------------------------- */
.site-footer{
  background: var(--dark);
  color: var(--bg);
  padding: 80px 0 32px;
}
.footer-top{
  display:grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  gap: 40px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(245,241,234,0.14);
}
.footer-brand .brand{ color: var(--bg); margin-bottom: 18px; }
.footer-brand .brand .mark{ border-color: var(--bg); }
.footer-brand p{ color: rgba(245,241,234,0.6); font-size:14px; max-width: 34ch; }
.footer-col h4{ color: rgba(245,241,234,0.5); margin-bottom: 18px; font-size:12px; }
.footer-col ul{ display:flex; flex-direction:column; gap:12px; }
.footer-col a{ color: rgba(245,241,234,0.82); font-size:14.5px; }
.footer-col a:hover{ color: var(--bg); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top: 28px;
  flex-wrap:wrap;
  gap: 12px;
  font-size:12.5px;
  color: rgba(245,241,234,0.45);
}
.footer-bottom a{ color: rgba(245,241,234,0.45); }
.footer-bottom a:hover{ color: var(--bg); }

/* -----------------------------------------------------------
   Page intro banner (interior pages)
----------------------------------------------------------- */
.page-banner{
  padding: 168px 0 64px;
  border-bottom: 1px solid var(--ink-12);
}
.page-banner .eyebrow{ margin-bottom: 20px; }
.page-banner h1{ font-size: clamp(36px, 5vw, 64px); margin-bottom: 20px; }
.page-banner .lede{ max-width: 62ch; }

.breadcrumb{
  display:flex; align-items:center; gap:8px;
  font-size:12px; letter-spacing:.06em; text-transform:uppercase;
  color: var(--ink-50); margin-bottom: 24px;
}
.breadcrumb a:hover{ color: var(--dark); }

/* -----------------------------------------------------------
   Project detail page
----------------------------------------------------------- */
.project-hero{ padding: 168px 0 0; }
.project-hero-media{ aspect-ratio: 16/9; overflow:hidden; background:var(--bg-alt); margin-top: 40px; }
.project-hero-media img{ width:100%; height:100%; object-fit:cover; }
.project-info-grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  padding: 44px 0;
  border-bottom: 1px solid var(--ink-12);
}
.project-info-grid .info-item h4{ color: var(--ink-50); margin-bottom:10px; font-size:12px; }
.project-info-grid .info-item p{ font-family: var(--font-display); font-weight:700; font-size:17px; }

.project-body{
  display:grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  padding: 72px 0;
}
.project-body .body-text{ margin-bottom: 24px; }
.project-gallery{ display:grid; grid-template-columns: 1fr; gap: 24px; }
.project-gallery img{ width:100%; aspect-ratio: 4/5; object-fit:cover; }

.project-cta{
  padding: 64px 0 88px;
  text-align:center;
}
.project-cta h2{ margin-bottom: 24px; }

/* -----------------------------------------------------------
   Utility
----------------------------------------------------------- */
.skip-link{
  position:absolute; left:-999px; top:0;
  background: var(--dark); color: var(--bg);
  padding: 12px 18px; z-index: 999;
}
.skip-link:focus{ left: var(--gutter); top: 12px; }

:focus-visible{ outline: 2px solid var(--wood); outline-offset: 2px; }

/* ===========================================================
   Responsive
=========================================================== */
@media (max-width: 1080px){
  .hero-grid{ grid-template-columns: 1fr; gap: 32px; }
  .hero-visual{ aspect-ratio: 16/10; order: -1; }
  .hero-meta{ grid-template-columns: 1fr 1fr; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .about-grid{ grid-template-columns: 1fr; }
  .about-visual{ position:static; aspect-ratio: 16/10; }
  .about-points{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: repeat(2,1fr); }
  .footer-top{ grid-template-columns: 1fr 1fr; gap: 32px; }
  .project-body{ grid-template-columns: 1fr; gap: 40px; }
  .project-info-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 860px){
  .main-nav{ display:none; }
  .nav-toggle{ display:flex; }
  .section-head{ grid-template-columns: 1fr; gap: 16px; }
  .section-head .section-desc{ justify-self:start; text-align:left; }
  .process-row{ grid-template-columns: 50px 1fr; }
  .process-row h3{ grid-column: 2; }
  .process-row p{ grid-column: 2; }
  .sticky-bar{ display:flex; }
  body:has(.sticky-bar){ padding-bottom: 76px; }
}

@media (max-width: 720px){
  .project-grid{ grid-template-columns: repeat(6,1fr); }
  .project-card{ grid-column: span 6 !important; }
  .services-grid{ grid-template-columns: 1fr; }
  .hero-meta{ grid-template-columns: 1fr; gap:22px; }
  .contact-grid{ grid-template-columns: 1fr; }
  .footer-top{ grid-template-columns: 1fr; gap: 28px; }
  .form-grid{ grid-template-columns: 1fr; }
  .project-info-grid{ grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px){
  .hero{ padding-top: 140px; }
  .page-banner{ padding-top: 140px; }
  .project-hero{ padding-top: 140px; }
  .btn{ padding: 14px 22px; font-size:12px; }
  h1, .h1{ font-size: clamp(34px, 9vw, 44px); }
}