:root{
  --brand:#0f5e63; --brand-2:#0b4549; --accent:#f2a516; --accent-ink:#3a2700;
  --ink:#16222b; --muted:#5b6b76; --line:#e3e8ec; --bg:#ffffff; --bg-alt:#f4f7f8;
  --card:#ffffff; --wa:#1fa855; --radius:14px;
  --shadow:0 10px 30px rgba(15,40,50,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand)}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.sub{color:var(--muted);max-width:640px;margin:0 0 2rem}
[hidden]{display:none!important}

/* buttons */
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;padding:.8rem 1.3rem;border-radius:10px;border:2px solid var(--accent);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(242,165,22,.35)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-ghost:hover{box-shadow:none;background:rgba(255,255,255,.08)}
.btn-sm{padding:.45rem .9rem;font-size:.92rem}
.btn-wa{background:var(--wa);border-color:var(--wa);color:#fff}
.btn-wa:hover{box-shadow:0 6px 16px rgba(31,168,85,.35)}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font-size:1.35rem;font-weight:600}
.brand b{color:var(--brand);font-weight:800}
.nav-links{display:flex;align-items:center;gap:1.4rem}
.nav-links a{text-decoration:none;color:var(--ink);font-weight:500;font-size:.95rem}
.nav-links a.btn{color:var(--accent-ink)}
.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--ink)}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#1b8088 0%,transparent 60%),linear-gradient(160deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:3rem;align-items:center;padding:4.5rem 20px 5rem}
.eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:.3rem .8rem;border-radius:99px;font-size:.85rem;margin:0 0 1.2rem}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800}
.hero h1 span{color:var(--accent)}
.lead{font-size:1.15rem;opacity:.92;max-width:540px}
.ta{font-family:"Noto Sans Tamil",Inter,sans-serif;opacity:.85;margin-top:-.3rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin:1.6rem 0}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;font-size:.92rem;opacity:.9}
.hero-points li::before{content:"✓ ";color:var(--accent);font-weight:700}
.hero-art{position:relative}
.screen{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:0 30px 60px rgba(0,0,0,.35);overflow:hidden;transform:rotate(-1.5deg)}
.screen-bar{display:flex;align-items:center;gap:6px;padding:.6rem .9rem;background:#eef2f4;font-size:.8rem;color:var(--muted)}
.screen-bar i{width:10px;height:10px;border-radius:50%;background:#d0d7dc}
.screen-bar span{margin-left:.5rem}
.screen-body{padding:1rem 1.1rem 1.2rem}
.bill .row{display:grid;grid-template-columns:1fr 40px 90px;padding:.45rem 0;border-bottom:1px dashed var(--line);font-size:.9rem}
.bill .row span:nth-child(n+2){text-align:right}
.bill .h{font-weight:700;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.bill .free{color:#1a8a4a}
.bill .t{font-weight:800;font-size:1.05rem;border-bottom:0;padding-top:.7rem}
.pay{display:flex;gap:.4rem;margin-top:.8rem;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:8px;padding:.3rem .7rem;font-size:.82rem}
.chip.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.float{position:absolute;background:#fff;color:var(--ink);border-radius:12px;padding:.7rem 1rem;box-shadow:var(--shadow);font-size:.85rem;display:flex;flex-direction:column}
.float b{color:var(--muted);font-weight:600;font-size:.75rem}
.float span{font-weight:800;font-size:1.05rem}
.f1{left:-24px;bottom:-22px}
.f2{right:-14px;top:-18px}
.f2 span{color:#c0392b}

/* strip */
.strip{border-bottom:1px solid var(--line)}
.strip-in{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.6rem 20px}
.strip-in div{display:flex;flex-direction:column}
.strip-in b{font-size:1.05rem}
.strip-in span{color:var(--muted);font-size:.9rem}

/* sections */
.sec{padding:5rem 0}
.sec.alt{background:var(--bg-alt)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .ic{width:44px;height:44px;border-radius:12px;background:rgba(15,94,99,.09);display:grid;place-items:center;font-size:1.35rem;margin-bottom:.9rem}
.card h3{font-size:1.1rem;margin-bottom:.35rem}
.card p{margin:0;color:var(--muted);font-size:.94rem}
.card ul{margin:.6rem 0 0;padding-left:1.1rem;color:var(--muted);font-size:.9rem}
.grid.small .card{padding:1.1rem 1.2rem;display:flex;gap:.9rem;align-items:flex-start}
.grid.small .card .ic{margin:0;flex:none;background:rgba(242,165,22,.15)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;background:rgba(242,165,22,.18);color:#8a5a00;border-radius:6px;padding:.1rem .45rem;margin-left:.35rem;vertical-align:middle}

/* clients */
.clients{display:flex;flex-wrap:wrap;gap:1rem}
.client{display:flex;align-items:center;gap:.8rem;border:1px solid var(--line);border-radius:12px;padding:.8rem 1.1rem;background:#fff;min-width:200px}
.client img{width:44px;height:44px;object-fit:contain;border-radius:8px}
.client .ph{width:44px;height:44px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.client b{display:block}
.client span{color:var(--muted);font-size:.85rem}

/* reviews */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.review{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;display:flex;flex-direction:column}
.stars{color:var(--accent);letter-spacing:2px;margin-bottom:.6rem}
.review p{margin:0 0 1rem;flex:1}
.review .who{display:flex;align-items:center;gap:.7rem}
.review .who img,.review .who .ph{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:700}
.review .who span{display:block;color:var(--muted);font-size:.85rem}

/* videos */
.videos{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.video{text-decoration:none;color:var(--ink)}
.video .thumb{position:relative;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.video .thumb img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:opacity .2s}
.video:hover .thumb img{opacity:1}
.video .play{position:absolute;inset:0;display:grid;place-items:center}
.video .play::after{content:"";width:62px;height:62px;border-radius:50%;background:rgba(0,0,0,.6) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/30px no-repeat}
.video .thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video h3{font-size:1rem;margin:.7rem 0 .2rem}
.video span{color:var(--muted);font-size:.85rem}

/* contact */
.contact{background:linear-gradient(160deg,var(--brand) 0%,var(--brand-2) 100%);color:#fff}
.contact .sub{color:rgba(255,255,255,.85)}
.contact-in{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center}
.contact-btns{display:flex;gap:.8rem;flex-wrap:wrap}
.contact-card{background:#fff;color:var(--ink);border-radius:var(--radius);padding:1.6rem;margin:0;display:grid;grid-template-columns:auto 1fr;gap:.7rem 1.2rem;box-shadow:var(--shadow)}
.contact-card dt{color:var(--muted);font-weight:600;font-size:.9rem}
.contact-card dd{margin:0;font-weight:500}

/* footer */
.foot{background:#0b1a20;color:#b9c6cc;font-size:.9rem;padding:2.2rem 0}
.foot-in{display:grid;grid-template-columns:1fr auto;gap:1rem 2rem;align-items:start}
.foot b{color:#fff}
.foot nav{display:flex;gap:1.3rem;flex-wrap:wrap}
.foot a{color:#dfe8ec;text-decoration:none}
.foot a:hover{text-decoration:underline}
.copy{grid-column:1/-1;border-top:1px solid #1f3038;padding-top:1rem;color:#7f9199}

/* legal pages */
.legal{max-width:800px;margin:0 auto;padding:3rem 20px 4rem}
.legal h1{font-size:2rem}
.legal h2{font-size:1.25rem;margin-top:2rem}
.legal .upd{color:var(--muted)}
.legal li{margin:.3rem 0}

/* responsive */
@media (max-width:900px){
  .hero-in{grid-template-columns:1fr;padding:3rem 20px 4rem}
  .hero-art{max-width:460px;margin:1rem auto 0}
  .grid,.reviews,.videos{grid-template-columns:repeat(2,1fr)}
  .strip-in{grid-template-columns:repeat(2,1fr)}
  .contact-in{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:.5rem 16px 1rem}
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem 0;border-bottom:1px solid var(--line)}
  .nav-links a.btn{margin-top:.6rem;text-align:center;border-bottom:2px solid var(--accent)}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .hero-in{padding:2.5rem 16px 3.5rem}
  .grid,.reviews,.videos{grid-template-columns:1fr}
  .sec{padding:3.5rem 0}
  .f1{left:0;bottom:-26px}.f2{right:0}
  .foot-in{grid-template-columns:1fr}
  .contact-card{grid-template-columns:1fr;gap:.2rem}
  .contact-card dd{margin-bottom:.6rem}
}