/* ==========================================================
   CARPET LANE — Luxury Flooring Showroom Design System
   Display: Playfair Display / Body: Poppins
   Palette: paper, beige, charcoal, emerald, gold
   Signature motif: gold-seamed plank line — echoes an inlay
   floor seam, used as dividers, underlines and reveal edges.
   ========================================================== */

:root{
  --paper:#FAF9F5;
  --beige:#EFEAE0;
  --beige-2:#E4DDCC;
  --charcoal:#20231F;
  --charcoal-2:#2B2E28;
  --gray:#716F65;
  --emerald:#0E5C46;
  --emerald-deep:#0A4030;
  --emerald-tint:#DDEAE4;
  --gold:#B8925A;
  --gold-light:#D8B98A;
  --line:#E1D9C8;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 20px 50px -20px rgba(32,35,31,.18);
  --shadow-sm:0 8px 24px -12px rgba(32,35,31,.18);
  --maxw:1240px;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--charcoal);
  font-family:'Poppins',sans-serif;
  font-weight:300;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
[data-theme="dark"] body{background:var(--charcoal); color:var(--beige);}
img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 40px;}
@media(max-width:640px){.wrap{padding:0 22px;}}

h1,h2,h3,h4{font-family:'Playfair Display',serif; font-weight:600; line-height:1.15; letter-spacing:-.01em;}
h1{font-size:clamp(38px,5.6vw,68px);}
h2{font-size:clamp(28px,3.6vw,44px);}
h3{font-size:20px;}
em{font-style:italic; color:var(--emerald);}
[data-theme="dark"] em{color:var(--gold-light);}
p{color:var(--gray); font-weight:300;}
[data-theme="dark"] p{color:#C9C6BA;}

.eyebrow{
  font-family:'Poppins',sans-serif; font-size:12px; font-weight:600;
  letter-spacing:.22em; text-transform:uppercase; color:var(--gold);
  display:flex; align-items:center; gap:12px; margin-bottom:16px;
}
.eyebrow::before{content:""; width:34px; height:1px; background:var(--gold); display:inline-block;}

/* signature gold seam divider */
.seam{
  height:6px; width:100%;
  background:linear-gradient(90deg, transparent 0%, var(--gold) 15%, var(--emerald) 50%, var(--gold) 85%, transparent 100%);
  opacity:.55;
}
.seam-thin{height:1px; width:100%; background:var(--line); position:relative;}
.seam-thin::after{
  content:""; position:absolute; left:50%; top:-1px; transform:translateX(-50%);
  width:64px; height:3px; background:var(--gold); border-radius:2px;
}

/* buttons */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:'Poppins',sans-serif; font-size:13.5px; font-weight:600; letter-spacing:.02em;
  padding:16px 30px; border-radius:100px; cursor:pointer; border:1px solid transparent;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-primary{background:var(--emerald); color:var(--white);}
.btn-primary:hover{background:var(--emerald-deep); transform:translateY(-2px); box-shadow:var(--shadow-sm);}
.btn-gold{background:var(--gold); color:var(--charcoal);}
.btn-gold:hover{background:var(--gold-light); transform:translateY(-2px); box-shadow:var(--shadow-sm);}
.btn-outline{background:transparent; border-color:var(--charcoal); color:var(--charcoal);}
[data-theme="dark"] .btn-outline{border-color:var(--beige); color:var(--beige);}
.btn-outline:hover{background:var(--charcoal); color:var(--paper);}
.btn-sm{padding:11px 20px; font-size:12.5px;}

/* reveal-on-scroll */
.reveal{opacity:0; transform:translateY(28px); transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1; transform:translateY(0);}
@media(prefers-reduced-motion: reduce){.reveal{opacity:1; transform:none; transition:none;}}

/* ---------------- header / nav ---------------- */
header{
  position:sticky; top:0; z-index:80;
  background:rgba(250,249,245,.9); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
[data-theme="dark"] header{background:rgba(32,35,31,.9); border-color:#3A3D36;}
.nav{display:flex; align-items:center; justify-content:space-between; padding:20px 0;}
.logo{font-family:'Playfair Display',serif; font-size:23px; font-weight:700; display:flex; align-items:baseline; gap:6px;}
.logo .accent{color:var(--emerald); font-style:italic;}
[data-theme="dark"] .logo .accent{color:var(--gold-light);}
.nav-links{display:flex; gap:38px; font-size:14px; font-weight:500;}
.nav-links a{opacity:.85; position:relative; padding:4px 0;}
.nav-links a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--gold); transition:width .2s ease;}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{opacity:1;}
.nav-right{display:flex; align-items:center; gap:16px;}
.theme-toggle{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--line);
  background:transparent; cursor:pointer; display:flex; align-items:center; justify-content:center; font-size:15px;
}
[data-theme="dark"] .theme-toggle{border-color:#3A3D36;}
.burger{display:none; background:none; border:none; font-size:22px; cursor:pointer;}
@media(max-width:900px){.nav-links{display:none;} .burger{display:block;}}

/* ---------------- hero ---------------- */
.hero{position:relative; padding:80px 0 100px; overflow:hidden;}
.hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:60px; align-items:center;}
@media(max-width:940px){.hero-grid{grid-template-columns:1fr;}}
.hero p.lead{max-width:480px; font-size:17px; margin:22px 0 34px;}
.hero-ctas{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px;}

/* plank reveal hero visual (signature element) */
.plank-stage{position:relative; height:440px; border-radius:var(--radius); overflow:hidden; background:var(--beige-2); box-shadow:var(--shadow);}
.plank{
  position:absolute; left:-6%; width:112%; height:11.5%;
  background:linear-gradient(90deg, var(--charcoal-2), var(--emerald-deep) 55%, var(--charcoal-2));
  transform:translateX(-110%);
  animation:slideIn .8s cubic-bezier(.16,.8,.3,1) forwards;
  border-bottom:2px solid rgba(184,146,90,.5);
}
.plank:nth-child(odd){background:linear-gradient(90deg, var(--emerald-deep), var(--charcoal-2) 60%);}
.plank:nth-child(1){top:0%; animation-delay:.05s;}
.plank:nth-child(2){top:12.5%; animation-delay:.15s;}
.plank:nth-child(3){top:25%; animation-delay:.25s;}
.plank:nth-child(4){top:37.5%; animation-delay:.35s;}
.plank:nth-child(5){top:50%; animation-delay:.45s;}
.plank:nth-child(6){top:62.5%; animation-delay:.55s;}
.plank:nth-child(7){top:75%; animation-delay:.65s;}
.plank:nth-child(8){top:87.5%; animation-delay:.75s;}
@keyframes slideIn{to{transform:translateX(0);}}
@media(prefers-reduced-motion: reduce){.plank{animation:none; transform:none;}}
.stage-caption{
  position:absolute; bottom:20px; left:20px; right:20px;
  display:flex; justify-content:space-between; align-items:flex-end;
  font-family:'Poppins',sans-serif; font-size:11px; letter-spacing:.12em; text-transform:uppercase; color:var(--beige);
}
.stage-caption b{display:block; font-family:'Playfair Display',serif; font-size:26px; font-weight:700; text-transform:none; letter-spacing:0; color:var(--white);}

.trust-row{display:flex; gap:34px; flex-wrap:wrap; margin-top:6px;}
.trust-item{font-size:12px; letter-spacing:.05em; color:var(--gray);}
.trust-item b{display:block; font-family:'Playfair Display',serif; font-size:26px; color:var(--charcoal); font-weight:700;}
[data-theme="dark"] .trust-item b{color:var(--beige);}

/* ---------------- section shell ---------------- */
section{padding:110px 0;}
@media(max-width:640px){section{padding:70px 0;}}
.section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:52px; flex-wrap:wrap;}
.section-head p{max-width:460px;}
.center{text-align:center; margin:0 auto;}

/* ---------------- why choose / feature cards ---------------- */
.feature-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:26px;}
.feature-card{
  background:var(--white); border-radius:var(--radius); padding:32px 28px;
  box-shadow:var(--shadow-sm); border:1px solid var(--line);
  transition:transform .25s ease, box-shadow .25s ease;
}
[data-theme="dark"] .feature-card{background:var(--charcoal-2); border-color:#3A3D36;}
.feature-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
.feature-card .ico{
  width:46px; height:46px; border-radius:50%; background:var(--emerald-tint); color:var(--emerald);
  display:flex; align-items:center; justify-content:center; font-size:18px; margin-bottom:18px;
}
[data-theme="dark"] .feature-card .ico{background:rgba(184,146,90,.15); color:var(--gold-light);}
.feature-card h3{margin-bottom:8px; font-size:17px;}
.feature-card p{font-size:13.5px;}

/* ---------------- service cards ---------------- */
.svc-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:28px;}
.svc-card{
  border-radius:var(--radius); overflow:hidden; background:var(--white); border:1px solid var(--line);
  box-shadow:var(--shadow-sm); transition:transform .25s ease, box-shadow .25s ease; display:flex; flex-direction:column;
}
[data-theme="dark"] .svc-card{background:var(--charcoal-2); border-color:#3A3D36;}
.svc-card:hover{transform:translateY(-6px); box-shadow:var(--shadow);}
.svc-media{height:150px; position:relative; overflow:hidden;}
.svc-media .num{position:absolute; top:14px; left:16px; font-family:'Playfair Display',serif; font-size:13px; color:var(--beige); letter-spacing:.08em; z-index:2;}
.svc-body{padding:24px 24px 26px; display:flex; flex-direction:column; gap:14px; flex:1;}
.svc-body p{font-size:13.5px; flex:1;}
.svc-actions{display:flex; gap:10px; flex-wrap:wrap;}

/* material swatch textures for svc-media (no external images needed) */
.tex-epoxy{background:linear-gradient(135deg,#1B4F44,#2E7D63 60%,#0E5C46);}
.tex-pu{background:linear-gradient(135deg,#3A3F3B,#6E756D 60%,#3A3F3B);}
.tex-vinyl{background:linear-gradient(135deg,#D8CFC0,#EFEAE0 60%,#C9BFA9);}
.tex-spc{background:linear-gradient(135deg,#8C8578,#B8AE9B 60%,#6E6656);}
.tex-wood{background:linear-gradient(135deg,#6B4226,#8B5A2B 60%,#54331C);}
.tex-laminate{background:linear-gradient(135deg,#A9805A,#C9A374 60%,#8C6640);}
.tex-carpet{background:linear-gradient(135deg,#5C4A6B,#7B6690 60%,#463654);}
.tex-rubber{background:linear-gradient(135deg,#2B2B2B,#4A4A4A 60%,#1A1A1A);}
.tex-sports{background:linear-gradient(135deg,#8A2E2E,#B5453C 60%,#6E2222);}
.tex-coating{background:linear-gradient(135deg,#3E5C6E,#5F8398 60%,#2C4653);}
.tex-polish{background:linear-gradient(135deg,#B9B6AC,#E4E1D6 60%,#9C9990);}

/* ---------------- industries ---------------- */
.industry-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(160px,1fr)); gap:20px;}
.industry-item{
  text-align:center; padding:30px 16px; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--white); transition:all .2s ease;
}
[data-theme="dark"] .industry-item{background:var(--charcoal-2); border-color:#3A3D36;}
.industry-item:hover{border-color:var(--gold); transform:translateY(-4px);}
.industry-item .ico{font-size:26px; margin-bottom:12px;}
.industry-item h3{font-size:14.5px; font-family:'Poppins',sans-serif; font-weight:600;}

/* ---------------- process timeline ---------------- */
.timeline{position:relative; padding-left:0;}
.tl-row{display:grid; grid-template-columns:70px 1fr; gap:22px; padding-bottom:38px; position:relative;}
.tl-row:last-child{padding-bottom:0;}
.tl-row::before{content:""; position:absolute; left:34px; top:56px; bottom:0; width:1px; background:var(--line);}
.tl-row:last-child::before{display:none;}
.tl-dot{
  width:68px; height:68px; border-radius:50%; border:1px solid var(--gold);
  display:flex; align-items:center; justify-content:center; font-family:'Playfair Display',serif; font-size:22px; font-weight:700; color:var(--emerald); background:var(--white);
}
[data-theme="dark"] .tl-dot{background:var(--charcoal-2); color:var(--gold-light);}
.tl-content h3{margin-bottom:6px;}
.tl-content p{font-size:14px; max-width:520px;}

/* ---------------- stats ---------------- */
.stats-bar{display:flex; flex-wrap:wrap; gap:0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.stat{flex:1; min-width:150px; text-align:center; padding:38px 10px; border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat b{display:block; font-family:'Playfair Display',serif; font-size:38px; color:var(--emerald); font-weight:700;}
[data-theme="dark"] .stat b{color:var(--gold-light);}
.stat span{font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--gray);}

/* ---------------- before / after slider ---------------- */
.ba-wrap{position:relative; max-width:760px; margin:0 auto; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow);}
.ba{position:relative; height:380px; background:var(--beige-2); overflow:hidden;}
.ba-before, .ba-after{position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-family:'Playfair Display',serif; font-size:15px; letter-spacing:.05em;}
.ba-before{background:linear-gradient(135deg,#3A3D36,#5C5F56); color:#D8D3C7;}
.ba-after{background:linear-gradient(135deg,#0E5C46,#1C8F6D); color:#EAF4EF; clip-path:inset(0 50% 0 0);}
.ba-handle{
  position:absolute; top:0; bottom:0; left:50%; width:3px; background:var(--gold); cursor:ew-resize;
  display:flex; align-items:center; justify-content:center;
}
.ba-handle::after{
  content:"⇔"; width:38px; height:38px; border-radius:50%; background:var(--gold); color:var(--charcoal);
  display:flex; align-items:center; justify-content:center; font-size:16px;
}
.ba-slider{width:100%; margin-top:16px;}
.ba-label{position:absolute; top:16px; font-size:11px; letter-spacing:.12em; text-transform:uppercase; padding:6px 12px; border-radius:100px; background:rgba(0,0,0,.3); color:#fff;}
.ba-label.left{left:16px;}
.ba-label.right{right:16px;}

/* ---------------- testimonials ---------------- */
.testi-slider{position:relative; max-width:720px; margin:0 auto; text-align:center;}
.testi-slide{display:none;}
.testi-slide.active{display:block; animation:fadeIn .5s ease;}
@keyframes fadeIn{from{opacity:0;} to{opacity:1;}}
.testi-slide p.quote{font-family:'Playfair Display',serif; font-style:italic; font-size:22px; color:var(--charcoal); line-height:1.5; margin-bottom:22px;}
[data-theme="dark"] .testi-slide p.quote{color:var(--beige);}
.testi-slide .who{font-size:12.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--gold);}
.testi-dots{display:flex; justify-content:center; gap:10px; margin-top:30px;}
.testi-dots button{width:8px; height:8px; border-radius:50%; border:none; background:var(--line); cursor:pointer;}
.testi-dots button.active{background:var(--gold); width:22px; border-radius:6px; transition:all .2s ease;}

/* ---------------- CTA banner ---------------- */
.cta-banner{
  background:linear-gradient(120deg, var(--emerald-deep), var(--emerald));
  color:var(--white); border-radius:var(--radius); padding:70px 50px; text-align:center; position:relative; overflow:hidden;
}
.cta-banner::before{content:""; position:absolute; inset:0; background:linear-gradient(90deg, transparent, rgba(184,146,90,.25), transparent); }
.cta-banner h2{color:var(--white); margin-bottom:14px; position:relative;}
.cta-banner p{color:#D9EAE3; max-width:520px; margin:0 auto 30px; position:relative;}
.cta-banner .hero-ctas{justify-content:center; position:relative;}

/* ---------------- gallery / projects ---------------- */
.filter-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:40px;}
.filter-btn{
  padding:9px 18px; border-radius:100px; border:1px solid var(--line); background:transparent; cursor:pointer;
  font-family:'Poppins',sans-serif; font-size:12.5px; font-weight:500; color:var(--gray); transition:all .15s ease;
}
.filter-btn.active, .filter-btn:hover{background:var(--charcoal); color:var(--paper); border-color:var(--charcoal);}
.gallery-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:24px;}
.g-item{border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-sm); background:var(--white); cursor:pointer;}
[data-theme="dark"] .g-item{background:var(--charcoal-2);}
.g-media{height:200px;}
.g-info{padding:18px 20px;}
.g-info h3{font-size:15.5px; margin-bottom:4px;}
.g-info span{font-size:11.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--gold);}
.g-item[hidden]{display:none;}

/* lightbox */
.lightbox{position:fixed; inset:0; background:rgba(20,22,19,.92); z-index:200; display:none; align-items:center; justify-content:center; padding:40px;}
.lightbox.show{display:flex;}
.lightbox-inner{max-width:640px; width:100%; background:var(--paper); border-radius:var(--radius); overflow:hidden;}
.lightbox-close{position:absolute; top:24px; right:32px; color:#fff; font-size:26px; cursor:pointer; background:none; border:none;}

/* ---------------- forms ---------------- */
form.quote-form{background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:38px; box-shadow:var(--shadow-sm);}
[data-theme="dark"] form.quote-form{background:var(--charcoal-2); border-color:#3A3D36;}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media(max-width:560px){.form-row{grid-template-columns:1fr;}}
.field{margin-bottom:18px;}
label{display:block; font-size:11.5px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; color:var(--gray); margin-bottom:7px;}
input, select, textarea{
  width:100%; padding:13px 15px; border:1px solid var(--line); border-radius:var(--radius-sm);
  background:var(--paper); font-family:'Poppins',sans-serif; font-size:14px; color:var(--charcoal);
}
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea{background:var(--charcoal); color:var(--beige); border-color:#3A3D36;}
input:focus, select:focus, textarea:focus{outline:2px solid var(--gold); outline-offset:1px;}
textarea{min-height:100px; resize:vertical;}
form .btn{width:100%; justify-content:center;}
.form-note{font-size:11.5px; color:var(--gray); text-align:center; margin-top:14px;}
#successMsg{display:none; text-align:center; padding:50px 10px;}
#successMsg.show{display:block;}

/* ---------------- FAQ ---------------- */
details{border-bottom:1px solid var(--line); padding:22px 0;}
summary{font-family:'Playfair Display',serif; font-size:17px; font-weight:600; cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center;}
summary::-webkit-details-marker{display:none;}
summary::after{content:"+"; font-size:20px; color:var(--gold); font-family:'Poppins',sans-serif;}
details[open] summary::after{content:"–";}
details p{margin-top:12px; font-size:14px; max-width:640px;}

/* ---------------- footer ---------------- */
footer{background:var(--charcoal); color:#C9C6BA; padding:70px 0 30px;}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:50px;}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr 1fr;}}
footer h4{font-size:12px; font-weight:600; letter-spacing:.12em; text-transform:uppercase; color:var(--beige); margin-bottom:18px;}
footer ul{list-style:none; display:flex; flex-direction:column; gap:11px; font-size:13.5px;}
footer ul a:hover{color:var(--gold-light);}
.foot-logo{font-family:'Playfair Display',serif; color:var(--beige); font-size:24px; margin-bottom:14px;}
.foot-bottom{border-top:1px solid #3A3D36; padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:12px; color:#8B887C;}

/* ---------------- floating widgets ---------------- */
.whatsapp-float{
  position:fixed; bottom:26px; right:26px; z-index:90; width:58px; height:58px; border-radius:50%;
  background:#25D366; display:flex; align-items:center; justify-content:center; color:#fff; font-size:26px;
  box-shadow:0 10px 24px rgba(0,0,0,.25); cursor:pointer; text-decoration:none;
}
.sticky-quote{
  position:fixed; bottom:26px; left:26px; z-index:90;
}
@media(max-width:640px){
  .whatsapp-float{bottom:82px; right:16px; width:52px; height:52px; font-size:22px;}
  .sticky-quote{left:16px; bottom:16px; right:16px;}
  .sticky-quote .btn{width:100%; justify-content:center;}
}
.back-to-top{
  position:fixed; bottom:26px; right:96px; z-index:89; width:44px; height:44px; border-radius:50%;
  background:var(--charcoal); color:var(--paper); border:none; cursor:pointer; display:none; align-items:center; justify-content:center; font-size:16px;
}
.back-to-top.show{display:flex;}
@media(max-width:640px){.back-to-top{display:none !important;}}

/* ---------------- exit-intent modal ---------------- */
.modal-overlay{position:fixed; inset:0; background:rgba(20,22,19,.7); z-index:300; display:none; align-items:center; justify-content:center; padding:20px;}
.modal-overlay.show{display:flex;}
.modal-box{background:var(--paper); border-radius:var(--radius); max-width:440px; width:100%; padding:44px 36px; position:relative; box-shadow:var(--shadow); text-align:center;}
.modal-close{position:absolute; top:16px; right:18px; background:none; border:none; font-size:20px; cursor:pointer; color:var(--gray);}
.modal-box h3{font-size:24px; margin-bottom:12px;}
.modal-box p{font-size:14px; margin-bottom:22px;}

/* breadcrumb */
.breadcrumb{font-size:12.5px; color:var(--gray); padding:26px 0 0;}
.breadcrumb a:hover{color:var(--emerald);}

/* page hero (inner pages) */
.page-hero{padding:60px 0 50px; text-align:center;}
.page-hero p{max-width:560px; margin:16px auto 0;}