/* ==========================================================================
   Balu G Real Estate, Arcot — Design System
   ========================================================================== */

:root{
  --blue:#27B6E6;
  --blue-deep:#1B8FC4;
  --purple:#5B2D82;
  --purple-deep:#3D1C5C;
  --purple-soft:#7A4FA3;
  --orange:#F7941D;
  --orange-deep:#E07400;
  --magenta:#C0398E;
  --cream:#FFF8F0;
  --ink:#241633;
  --ink-soft:#5B5168;
  --line:#EBE3F2;
  --white:#FFFFFF;

  --grad-brand: linear-gradient(135deg,var(--blue) 0%,var(--purple) 70%);
  --grad-hero: linear-gradient(120deg,var(--purple-deep) 0%,var(--purple) 45%,var(--blue-deep) 100%);
  --grad-orange: linear-gradient(120deg,var(--orange) 0%,var(--orange-deep) 100%);

  --radius-lg:22px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-soft:0 12px 32px rgba(61,28,92,0.12);
  --shadow-card:0 8px 24px rgba(61,28,92,0.10);
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Inter','Noto Sans Tamil',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Poppins','Noto Sans Tamil',Inter,sans-serif;
  color:var(--purple-deep);
  line-height:1.3;
  margin:0 0 .6em;
}
h1{font-size:clamp(2.1rem,4vw,3.2rem);font-weight:700;}
h2{font-size:clamp(1.6rem,3vw,2.3rem);font-weight:700;}
h3{font-size:1.25rem;font-weight:600;}
p{margin:0 0 1em;color:var(--ink-soft);}
a{color:var(--blue-deep);text-decoration:none;}
img{max-width:100%;display:block;}
ul{padding-left:1.2em;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section-tight{padding:40px 0;}
.bg-cream{background:var(--cream);}
.bg-soft-purple{background:linear-gradient(180deg,#FBF7FD 0%,#FFFFFF 100%);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--orange-deep);background:rgba(247,148,29,0.12);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center;}
.section-head p{font-size:1.05rem;}

/* Bilingual toggle: Tamil hidden until selected. JS sets inline 'display:inline' or 'none' explicitly. */
.lang-ta{display:none;}
[lang="ta"]{font-family:'Noto Sans Tamil','Inter',sans-serif;}
.lang-switch{display:flex;align-items:center;gap:2px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.3);border-radius:999px;padding:3px;}
.lang-switch button{
  border:none;background:transparent;color:#E9D9F5;font-size:.76rem;font-weight:700;
  padding:5px 12px;border-radius:999px;cursor:pointer;font-family:'Inter',sans-serif;
}
.lang-switch button.active{background:var(--grad-orange);color:#fff;}
.lang-switch.on-light{background:var(--cream);border-color:var(--line);}
.lang-switch.on-light button{color:var(--purple-deep);}
.lang-switch.on-light button.active{color:#fff;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--grad-orange);color:var(--white);box-shadow:0 10px 24px rgba(224,116,0,0.3);}
.btn-primary:hover{box-shadow:0 14px 30px rgba(224,116,0,0.4);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,0.6);color:var(--white);}
.btn-outline:hover{background:rgba(255,255,255,0.12);}
.btn-ghost{background:var(--white);color:var(--purple-deep);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--purple-soft);}
.btn-sm{padding:9px 18px;font-size:.85rem;}
.btn-block{width:100%;}

/* Top utility bar */
.topbar{background:var(--purple-deep);color:#E9D9F5;font-size:.82rem;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;flex-wrap:wrap;gap:10px;}
.topbar a{color:#E9D9F5;}
.topbar .tb-links{display:flex;gap:18px;flex-wrap:wrap;align-items:center;}
.topbar .tb-links span{display:inline-flex;align-items:center;gap:6px;}

/* Header / Nav */
header.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:46px;width:auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-family:'Poppins',sans-serif;color:var(--purple-deep);font-size:1.05rem;}
.brand-text span{font-size:.72rem;color:var(--ink-soft);letter-spacing:.03em;}
nav.main-nav{display:flex;align-items:center;gap:22px;}
nav.main-nav a{
  color:var(--ink);font-weight:500;font-size:.94rem;position:relative;padding:6px 0;
  display:flex;flex-direction:column;align-items:flex-start;line-height:1.3;
}
nav.main-nav a:hover,nav.main-nav a.active{color:var(--purple);}
nav.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;background:var(--grad-orange);
}
.nav-cta{display:flex;align-items:center;gap:14px;}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px;}
.menu-toggle span{display:block;width:24px;height:2px;background:var(--purple-deep);margin:5px 0;border-radius:2px;}

/* "More" nav dropdown (native <details>, no extra JS needed) */
details.nav-more{position:relative;}
details.nav-more summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;gap:4px;
  color:var(--ink);font-weight:500;font-size:.94rem;padding:6px 0;
}
details.nav-more summary::-webkit-details-marker{display:none;}
details.nav-more summary::after{content:"▾";font-size:.65rem;color:var(--ink-soft);margin-left:2px;}
details.nav-more[open] summary::after{content:"▴";}
details.nav-more:hover summary,details.nav-more[open] summary{color:var(--purple);}
.nav-more-panel{
  position:absolute;top:calc(100% + 10px);left:0;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-soft);padding:10px;display:flex;
  flex-direction:column;gap:2px;min-width:200px;z-index:60;
}
.nav-more-panel a{padding:9px 12px;border-radius:8px;color:var(--ink);font-size:.9rem;display:block;}
.nav-more-panel a:hover{background:var(--cream);color:var(--purple);}

@media (max-width:920px){
  nav.main-nav{
    position:fixed;inset:68px 0 0 0;background:var(--white);flex-direction:column;
    align-items:flex-start;padding:24px;gap:18px;transform:translateX(100%);
    transition:transform .25s ease;overflow-y:auto;
  }
  nav.main-nav.open{transform:translateX(0);}
  .menu-toggle{display:block;}
  .nav-cta .btn-sm-label{display:none;}
  details.nav-more{width:100%;}
  .nav-more-panel{position:static;box-shadow:none;border:none;padding:6px 0 0 10px;min-width:0;}
}

/* Hero */
.hero{
  position:relative;background:var(--grad-hero);color:var(--white);overflow:hidden;
  padding:84px 0 150px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 15% 20%,rgba(39,182,230,0.35),transparent 40%),
                    radial-gradient(circle at 85% 75%,rgba(247,148,29,0.25),transparent 45%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero h1{color:var(--white);}
.hero .eyebrow{background:rgba(255,255,255,0.15);color:#FFE3BD;}
.hero .eyebrow::before{background:var(--orange);}
.hero p.lead{color:#E7DBF2;font-size:1.08rem;max-width:560px;}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;max-width:560px;}
.hero-stats div{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.18);border-radius:var(--radius-md);padding:14px 10px;text-align:center;}
.hero-stats strong{display:block;font-family:'Poppins',sans-serif;font-size:1.4rem;color:var(--white);}
.hero-stats span{font-size:.74rem;color:#E7DBF2;}

.hero-art{position:relative;}
.hero-card{
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.25);
  border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(6px);
}
.hero-card .badge-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:8px;}
.hero-card .badge{background:var(--grad-orange);color:var(--white);font-size:.72rem;font-weight:700;padding:6px 12px;border-radius:999px;}
.hero-card ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;}
.hero-card li{display:flex;align-items:flex-start;gap:10px;color:var(--white);font-size:.92rem;}
.hero-card li .dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex-shrink:0;margin-top:7px;}

/* Hero property search widget */
.search-widget{
  position:relative;z-index:5;margin-top:-86px;
}
.search-widget .sw-card{
  background:var(--white);border-radius:var(--radius-lg);box-shadow:0 20px 50px rgba(61,28,92,0.22);
  padding:22px 24px;display:grid;grid-template-columns:repeat(4,1fr) auto;gap:14px;align-items:end;
}
.sw-field{display:flex;flex-direction:column;gap:6px;}
.sw-field label{font-size:.76rem;font-weight:700;color:var(--purple-deep);text-transform:uppercase;letter-spacing:.03em;margin:0;}
.sw-field select{margin:0;background:var(--cream);}
.search-widget .btn{height:48px;white-space:nowrap;}
@media (max-width:980px){
  .search-widget .sw-card{grid-template-columns:1fr 1fr;}
  .search-widget{margin-top:-60px;}
}
@media (max-width:640px){
  .search-widget .sw-card{grid-template-columns:1fr;}
  .hero{padding-bottom:180px;}
}

/* Page header (inner pages) */
.page-hero{
  background:var(--grad-hero);color:var(--white);padding:56px 0 70px;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 90% 10%,rgba(39,182,230,0.3),transparent 45%);
}
.page-hero .container{position:relative;}
.breadcrumb{font-size:.85rem;color:#D9C6EA;margin-bottom:14px;}
.breadcrumb a{color:#D9C6EA;}
.page-hero h1{color:var(--white);margin-bottom:10px;}
.page-hero p{color:#E7DBF2;max-width:640px;}

/* Cards */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:980px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}.hero-grid{grid-template-columns:1fr;}}

.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-soft);}
.card .icon-box{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:var(--white);margin-bottom:18px;font-size:1.4rem;
}
.card h3{margin-bottom:8px;}
.card a.card-link{font-weight:600;font-size:.88rem;color:var(--purple);}

/* Location/property cards */
.loc-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;color:var(--white);
  min-height:220px;display:flex;flex-direction:column;justify-content:flex-end;padding:22px;
  background:var(--grad-hero);box-shadow:var(--shadow-card);
}
.loc-card::after{
  content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,0.45),transparent 60%);
}
.loc-card.alt1{background:linear-gradient(135deg,var(--blue-deep),var(--purple));}
.loc-card.alt2{background:linear-gradient(135deg,var(--purple),var(--magenta));}
.loc-card.alt3{background:linear-gradient(135deg,var(--orange-deep),var(--magenta));}
.loc-card > *{position:relative;z-index:1;}
.loc-card .tag{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:rgba(255,255,255,0.2);padding:4px 10px;border-radius:999px;display:inline-block;margin-bottom:10px;width:fit-content;}
.loc-card h3{color:var(--white);margin-bottom:4px;}
.loc-card p{color:#EADFF4;font-size:.86rem;margin-bottom:0;}

/* Stats band */
.stats-band{background:var(--purple-deep);color:var(--white);padding:40px 0;}
.stats-band .grid-4{text-align:center;}
.stats-band strong{display:block;font-family:'Poppins',sans-serif;font-size:2.1rem;color:var(--orange);}
.stats-band span{font-size:.85rem;color:#D9C6EA;}

/* Process steps */
.steps{counter-reset:step;}
.step{position:relative;padding-left:56px;margin-bottom:28px;}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:12px;
  background:var(--grad-orange);color:var(--white);display:flex;align-items:center;justify-content:center;
  font-family:'Poppins',sans-serif;font-weight:700;
}

/* Testimonials */
.t-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card);}
.t-card .stars{color:var(--orange);letter-spacing:2px;margin-bottom:10px;}
.t-card p.quote{font-style:italic;color:var(--ink);}
.t-card .who{display:flex;align-items:center;gap:12px;margin-top:16px;}
.t-card .avatar{width:42px;height:42px;border-radius:50%;background:var(--grad-brand);color:var(--white);display:flex;align-items:center;justify-content:center;font-weight:700;font-family:'Poppins',sans-serif;}
.t-card .who strong{display:block;font-size:.92rem;color:var(--purple-deep);}
.t-card .who span{font-size:.78rem;color:var(--ink-soft);}
.sample-note{
  background:#EAF8FD;border:1px dashed var(--blue);border-radius:var(--radius-md);
  padding:14px 18px;font-size:.85rem;color:#0B4A63;margin-bottom:30px;
}

/* FAQ (AEO) */
.faq-item{border-bottom:1px solid var(--line);padding:18px 0;}
.faq-item summary{
  cursor:pointer;font-weight:600;color:var(--purple-deep);font-family:'Poppins','Noto Sans Tamil',sans-serif;
  list-style:none;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--orange);flex-shrink:0;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item p{margin-top:12px;}
.faq-item .q-text{display:flex;flex-direction:column;gap:2px;}

/* CTA band */
.cta-band{
  background:var(--grad-orange);color:var(--white);border-radius:var(--radius-lg);
  padding:48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;
}
.cta-band h2{color:var(--white);margin-bottom:6px;}
.cta-band p{color:#FFE9CC;margin:0;}

/* Forms */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-card);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:640px){.form-row{grid-template-columns:1fr;}}
label{display:block;font-size:.85rem;font-weight:600;color:var(--purple-deep);margin-bottom:6px;}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:.92rem;margin-bottom:16px;background:var(--cream);color:var(--ink);
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--blue);outline-offset:1px;}

/* Contact info list */
.info-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;}
.info-list .ic{
  width:42px;height:42px;border-radius:12px;background:var(--grad-brand);color:var(--white);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.1rem;
}
.info-list strong{display:block;color:var(--purple-deep);font-size:.9rem;}
.info-list span,.info-list a{font-size:.9rem;color:var(--ink-soft);}

.map-frame{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.map-frame iframe{width:100%;height:340px;border:0;display:block;}

/* Calculator tool pages */
.tool-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-card);}
.tool-results{display:none;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px;}
.tool-results .res-box{background:var(--cream);border-radius:var(--radius-md);padding:18px;text-align:center;}
.tool-results .res-box strong{display:block;font-family:'Poppins',sans-serif;font-size:1.3rem;color:var(--purple-deep);}
.tool-results .res-box span{font-size:.8rem;color:var(--ink-soft);}
@media (max-width:640px){.tool-results{grid-template-columns:1fr;}}
table#area-results{width:100%;border-collapse:collapse;margin-top:24px;display:none;}
table#area-results th,table#area-results td{border:1px solid var(--line);padding:10px 14px;text-align:left;font-size:.9rem;}
table#area-results th{background:var(--cream);color:var(--purple-deep);}
.area-value-cell{font-weight:700;color:var(--purple-deep);}

/* Footer */
footer.site-footer{background:var(--purple-deep);color:#D9C6EA;padding:56px 0 0;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.12);}
@media (max-width:880px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:540px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand img{height:40px;filter:brightness(0) invert(1);opacity:.95;}
.footer-brand strong{color:var(--white);font-family:'Poppins',sans-serif;}
footer h4{color:var(--white);font-size:.9rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px;}
footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
footer a{color:#D9C6EA;font-size:.9rem;}
footer a:hover{color:var(--orange);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:20px 0;font-size:.82rem;color:#B79AD0;flex-wrap:wrap;gap:10px;}
.footer-bottom a{color:#B79AD0;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,0.1);display:flex;
  align-items:center;justify-content:center;color:var(--white);font-size:.85rem;
}
.social-row a:hover{background:var(--orange);}

.whatsapp-fab{
  position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.6rem;
  box-shadow:0 10px 24px rgba(37,211,102,0.4);
}

.skip-link{position:absolute;left:-999px;top:0;background:var(--purple-deep);color:#fff;padding:10px 16px;z-index:100;}
.skip-link:focus{left:10px;top:10px;}

.table-compare{width:100%;border-collapse:collapse;margin:24px 0;}
.table-compare th,.table-compare td{border:1px solid var(--line);padding:12px 14px;text-align:left;font-size:.9rem;}
.table-compare th{background:var(--cream);color:var(--purple-deep);font-family:'Poppins',sans-serif;}