/* =============================================================================
   Aadith Interiors — warm editorial-craft theme
   ============================================================================= */
:root{
  --paper:#f6f1e7;        /* warm cream */
  --paper-2:#efe7d7;      /* deeper cream panel */
  --ink:#231d17;          /* near-black warm */
  --ink-soft:#5a4f44;     /* muted body text */
  --clay:#b9532d;         /* terracotta accent */
  --clay-dark:#9a3f1f;
  --brass:#b08a3e;        /* gold accent */
  --line:#e0d6c4;         /* hairlines */
  --white:#fffdf8;

  --serif:"Fraunces", Georgia, serif;
  --sans:"Manrope", system-ui, sans-serif;
  --tamil-serif:"Noto Serif Tamil", serif;
  --tamil-sans:"Anek Tamil", sans-serif;

  --wrap:1180px;
  --r:16px;
  --shadow:0 24px 60px -28px rgba(60,38,20,.45);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* Tamil mode swaps fonts globally */
body[data-lang="ta"]{font-family:var(--tamil-sans)}
body[data-lang="ta"] .section-title,
body[data-lang="ta"] .hero-title,
body[data-lang="ta"] .brand-text{font-family:var(--tamil-serif)}

img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* Paper grain overlay */
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}

/* ---------- shared bits ---------- */
.eyebrow{
  font-family:var(--sans);font-weight:600;font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--clay);margin-bottom:1rem;
}
body[data-lang="ta"] .eyebrow{letter-spacing:.04em;font-family:var(--tamil-sans)}
.section-title{
  font-family:var(--serif);font-weight:500;line-height:1.05;
  font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.01em;
}
.section-sub{max-width:54ch;color:var(--ink-soft);margin-top:1.1rem;font-size:1.05rem}
.section{padding:clamp(4.5rem,9vw,8rem) 0}
.section-head{margin-bottom:3rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-family:var(--sans);font-weight:600;font-size:.98rem;
  padding:.95rem 1.6rem;border-radius:999px;cursor:pointer;border:1px solid transparent;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s,color .25s;
  white-space:nowrap;
}
body[data-lang="ta"] .btn{font-family:var(--tamil-sans)}
.btn-sm{padding:.6rem 1.1rem;font-size:.9rem}
.btn-block{width:100%;padding:1.1rem}
.btn-primary{background:var(--clay);color:var(--white);box-shadow:0 14px 30px -14px rgba(185,83,45,.7)}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-2px);box-shadow:0 20px 40px -16px rgba(185,83,45,.8)}
.btn-ghost{background:rgba(255,253,248,.12);color:var(--white);border-color:rgba(255,253,248,.5);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,253,248,.95);color:var(--ink);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
/* circular icon-only CTA (phone / whatsapp) */
.btn-icon{width:52px;height:52px;padding:0;border-radius:50%;flex:0 0 auto}
.btn-icon .cta-ico{width:22px;height:22px}
.btn-icon.js-whatsapp:hover{background:#1faa59;border-color:#1faa59;color:#fff}
.cta-ico{display:block}

/* ============================= HEADER ============================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  transition:background .4s var(--ease),box-shadow .4s,padding .4s;
  padding:.55rem 0;
}
.site-header.scrolled{background:rgba(246,241,231,.88);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:10px;
  background:var(--clay);color:var(--white);font-family:var(--tamil-serif);font-size:1.2rem;
  box-shadow:var(--shadow);
}
.brand-text{font-family:var(--serif);font-size:1.25rem;line-height:1;display:flex;flex-direction:column}
.brand-text strong{font-weight:600}
.brand-text em{font-style:italic;font-weight:400;font-size:.78rem;letter-spacing:.04em;color:var(--clay)}
.site-header:not(.scrolled) .brand-text,
.site-header:not(.scrolled) .nav a{color:var(--white)}
.site-header:not(.scrolled) .brand-text em{color:var(--paper)}
.nav{display:flex;gap:2rem}
.nav a{font-weight:500;font-size:.95rem;position:relative;transition:color .25s}
.nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:2px;background:var(--clay);transition:width .3s var(--ease)}
.nav a:hover{color:var(--clay)}
.nav a:hover::after{width:100%}
.header-actions{display:flex;align-items:center;gap:1rem}
.lang-toggle{
  font-family:var(--sans);font-weight:700;font-size:.85rem;letter-spacing:.02em;
  background:transparent;border:1px solid currentColor;color:inherit;border-radius:999px;
  padding:.45rem .8rem;cursor:pointer;transition:all .25s;display:flex;gap:.15rem;
}
.site-header:not(.scrolled) .lang-toggle{color:var(--white)}
.lang-toggle:hover{background:var(--clay);border-color:var(--clay);color:var(--white)}
.lang-sep{opacity:.45}
body[data-lang="en"] .lang-ta,body[data-lang="ta"] .lang-en{opacity:.4}

/* ============================= HERO ============================= */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;color:var(--white);overflow:hidden}
/* crossfading background slideshow */
.hero-slides{position:absolute;inset:0;z-index:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease)}
.hero-slide.is-active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero-slide.is-active img{animation:slowzoom 7s var(--ease) forwards}
@keyframes slowzoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(35,29,23,.55) 0%,rgba(35,29,23,.25) 35%,rgba(35,29,23,.82) 100%);
}
.hero-inner{position:relative;z-index:2;padding-bottom:clamp(3rem,7vw,6rem);padding-top:8rem;max-width:880px}
/* rotating sentences — grid-stacked so the box sizes to the tallest line and the CTA never jumps */
.hero-rotator{display:grid;margin-bottom:.4rem}
.hero-line{grid-column:1;grid-row:1;opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease);pointer-events:none}
.hero-line.is-active{opacity:1;transform:none;pointer-events:auto}
.hero-title{
  font-family:var(--serif);font-weight:500;letter-spacing:-.015em;line-height:1.04;
  font-size:clamp(2.4rem,6vw,4.6rem);margin-bottom:1.1rem;text-wrap:balance;
}
body[data-lang="ta"] .hero-title{line-height:1.2;font-size:clamp(1.9rem,5.4vw,3.7rem)}
.hero-sub{max-width:54ch;font-size:clamp(1rem,2.4vw,1.18rem);color:rgba(255,253,248,.9)}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem;margin-top:1.8rem}
/* slide dots */
.hero-dots{display:flex;gap:.55rem;margin-top:1.8rem}
.hero-dot{width:9px;height:9px;padding:0;border:0;border-radius:50%;background:rgba(255,253,248,.45);cursor:pointer;transition:width .35s var(--ease),background .35s}
.hero-dot:hover{background:rgba(255,253,248,.75)}
.hero-dot.is-active{width:26px;border-radius:6px;background:var(--clay)}

/* ============================= TRUST STRIP ============================= */
.trust{background:var(--ink);color:var(--paper);position:relative;z-index:2}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:2.6rem 24px;text-align:center}
.trust-item{display:flex;flex-direction:column;align-items:center;position:relative}
.trust-item:not(:last-child)::after{content:"";position:absolute;right:-.5rem;top:15%;height:70%;width:1px;background:rgba(255,253,248,.14)}
.trust-num{font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:500;line-height:1}
.trust-num.js-rating{display:inline}
.trust-plus{font-family:var(--serif);color:var(--brass);font-size:1.4rem;line-height:1;margin-top:-.4rem}
.trust-label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,253,248,.6);margin-top:.6rem}
body[data-lang="ta"] .trust-label{letter-spacing:.02em;text-transform:none;font-size:.85rem}

/* ============================= SERVICES ============================= */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.service-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.service-img{aspect-ratio:4/3;overflow:hidden}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.service-card:hover .service-img img{transform:scale(1.07)}
.service-card h3{font-family:var(--serif);font-weight:500;font-size:1.4rem;padding:1.3rem 1.4rem .3rem}
body[data-lang="ta"] .service-card h3{font-family:var(--tamil-serif);font-size:1.25rem}
.service-card p{padding:0 1.4rem 1.5rem;color:var(--ink-soft);font-size:.96rem}

/* ============================= PROCESS ============================= */
.process{background:var(--paper-2)}
.process-track{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem;counter-reset:step}
.process-step{position:relative;padding-top:2.2rem;border-top:2px solid var(--line)}
.process-step::before{content:"";position:absolute;top:-2px;left:0;width:46px;height:2px;background:var(--clay);transition:width .6s var(--ease)}
.process-step.in::before{width:100%}
.step-num{font-family:var(--serif);font-size:2.4rem;color:var(--brass);font-weight:500;display:block;line-height:1;margin-bottom:.6rem}
.process-step h3{font-family:var(--serif);font-weight:500;font-size:1.35rem;margin-bottom:.5rem}
body[data-lang="ta"] .process-step h3{font-family:var(--tamil-serif);font-size:1.2rem}
.process-step p{color:var(--ink-soft);font-size:.95rem}

/* ============================= WORK MOSAIC ============================= */
.work-mosaic{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:1rem}
.work-tile{overflow:hidden;border-radius:var(--r);position:relative}
.work-tile img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.work-tile:hover img{transform:scale(1.06)}
.tile-a{grid-column:span 2;grid-row:span 2}
.tile-b{grid-column:span 2}
.tile-c{grid-column:span 1}
.tile-d{grid-column:span 1}
.work-cta{margin-top:2.4rem;text-align:center}

/* ============================= WHY ============================= */
.why{background:var(--ink);color:var(--paper)}
.why-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:3.5rem;align-items:start}
.why .eyebrow{color:var(--brass)}
.why .section-title{color:var(--paper)}
.rating-pill{display:inline-flex;align-items:center;gap:.7rem;margin-top:1.6rem;
  background:rgba(255,253,248,.06);border:1px solid rgba(255,253,248,.16);border-radius:999px;padding:.6rem 1.1rem;font-size:.95rem;transition:background .25s}
.rating-pill:hover{background:rgba(255,253,248,.12)}
.stars{color:var(--brass);letter-spacing:.1em}
.why-points{display:grid;grid-template-columns:1fr 1fr;gap:2rem 2.4rem}
.why-point{padding-left:1.2rem;border-left:2px solid rgba(176,138,62,.5)}
.why-point h3{font-family:var(--serif);font-weight:500;font-size:1.3rem;margin-bottom:.4rem;color:var(--white)}
body[data-lang="ta"] .why-point h3{font-family:var(--tamil-serif);font-size:1.18rem}
.why-point p{color:rgba(255,253,248,.72);font-size:.96rem}

/* ============================= LEAD FORM ============================= */
.lead{background:radial-gradient(120% 120% at 80% 0%,var(--paper-2),var(--paper))}
.lead-inner{max-width:760px;margin:0 auto;text-align:center}
.lead .section-sub{margin-left:auto;margin-right:auto}
.lead-form{
  display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2.6rem;text-align:left;
  background:var(--white);padding:2.2rem;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow);
}
.field{position:relative}
.field-wide{grid-column:1/-1}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:1rem;color:var(--ink);
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:1.35rem 1rem .55rem;transition:border-color .25s,box-shadow .25s;outline:none;resize:none;
}
.field textarea{padding-top:1rem}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--clay);box-shadow:0 0 0 3px rgba(185,83,45,.12)}
.field label{
  position:absolute;left:1rem;top:1rem;color:var(--ink-soft);font-size:1rem;pointer-events:none;
  transition:all .2s var(--ease);transform-origin:left;
}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{
  top:.45rem;font-size:.7rem;color:var(--clay);letter-spacing:.04em;
}
.field input,.field textarea{}
.field input::placeholder,.field textarea::placeholder{color:transparent}
/* selects always show a small static label (needs > .field label specificity) */
.field label.label-static{top:.5rem;font-size:.7rem;color:var(--clay);letter-spacing:.04em}
.field select{padding-top:1.5rem;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a4f44' stroke-width='1.6' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{grid-column:1/-1;text-align:center;font-size:.95rem;min-height:1.2rem;font-weight:600}
.form-msg.ok{color:#2f7d4f}
.form-msg.err{color:var(--clay-dark)}
.lead-direct{margin-top:1.8rem;color:var(--ink-soft)}
.direct-btns{display:flex;gap:.8rem;justify-content:center;margin-top:.9rem;flex-wrap:wrap}

/* ============================= FOOTER ============================= */
.site-footer{background:var(--ink);color:rgba(255,253,248,.8);padding-top:3.5rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem;padding-bottom:2.5rem}
.footer-brand .brand-text{color:var(--paper);font-size:1.4rem}
.footer-brand .brand-text em{color:var(--brass)}
.footer-brand p{margin-top:.8rem;max-width:32ch;font-size:.95rem}
.footer-address{margin-top:1rem;max-width:34ch;font-style:normal;font-size:.92rem;line-height:1.55;color:rgba(255,253,248,.66)}
.footer-credit{margin-top:1rem;font-size:.88rem;color:rgba(255,253,248,.6)}
.footer-credit a{color:var(--brass);font-weight:600}
.footer-credit a:hover{text-decoration:underline}
.footer-col h4{font-family:var(--serif);font-weight:500;color:var(--paper);font-size:1.1rem;margin-bottom:.7rem}
.footer-col a:hover{color:var(--brass)}
.footer-bottom{border-top:1px solid rgba(255,253,248,.12);padding-top:1.4rem;padding-bottom:1.6rem;font-size:.85rem;color:rgba(255,253,248,.55)}

/* ============================= MOBILE STICKY CTA ============================= */
.mobile-bar{position:fixed;bottom:0;left:0;right:0;z-index:60;display:none;gap:1px;background:var(--line)}
.mobile-cta{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;font-weight:700;font-size:.98rem;color:var(--white)}
.mobile-cta .cta-ico{width:20px;height:20px}
.mobile-cta.call{background:var(--ink)}
.mobile-cta.wa{background:#1faa59}

/* ============================= REVEAL ANIMATION ============================= */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-slide{transition:none}
  .hero-slide.is-active img{animation:none}
  .hero-line{transition:none;transform:none}
  html{scroll-behavior:auto}
}

/* ============================= RESPONSIVE ============================= */
@media (max-width:900px){
  .nav{display:none}
  .service-grid{grid-template-columns:1fr 1fr}
  .process-track{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr;gap:2rem}
  .work-mosaic{grid-template-columns:1fr 1fr;grid-auto-rows:170px}
  .tile-a{grid-column:span 2;grid-row:span 1}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  .trust-grid{grid-template-columns:1fr 1fr;gap:1.6rem 1rem}
  .trust-item:nth-child(2)::after{display:none}
  .service-grid{grid-template-columns:1fr}
  .process-track{grid-template-columns:1fr}
  .why-points{grid-template-columns:1fr}
  .lead-form{grid-template-columns:1fr;padding:1.5rem}
  .work-mosaic{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .mobile-bar{display:flex}
  body{padding-bottom:54px}
  .hero-cta .btn-primary{flex:1 1 100%}
  /* keep hero content (esp. dots) above the fixed mobile call/WhatsApp bar */
  .hero-inner{padding-bottom:calc(54px + 1.6rem)}
}

/* ============================= LOGO ============================= */
/* Two knockouts: white for the transparent header over the dark hero,
   colour for the scrolled (cream) header. flex-shrink:0 keeps the logo
   from collapsing when it shares the row with the nav/actions. */
.brand{flex-shrink:0}
.brand img{height:34px;width:auto;display:block}
.brand .logo-dark{display:none}
.site-header.scrolled .brand .logo-light{display:none}
.site-header.scrolled .brand .logo-dark{display:block}
@media (max-width:600px){ .brand img{height:30px} }