:root{
  --terracotta:#B7654B;
  --terracotta-dark:#8F4534;
  --olive:#2F4A3A;
  --olive-soft:#E7EEE6;
  --cream:#FFF8EF;
  --sand:#F4E7D8;
  --charcoal:#22201D;
  --muted:#756D64;
  --white:#FFFFFF;
  --line:#E8D9CA;
  --shadow:0 24px 70px rgba(47,74,58,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Inter","Noto Sans Bengali",system-ui,sans-serif;color:var(--charcoal);background:linear-gradient(180deg,var(--cream),#fff)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,248,239,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:14px clamp(16px,4vw,54px)}
.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:44px;height:44px;border-radius:16px;background:linear-gradient(135deg,var(--terracotta),var(--olive));color:#fff;display:grid;place-items:center;font-weight:800}.brand strong{display:block;font-size:18px}.brand small{display:block;color:var(--muted);font-size:12px}.nav-links{display:flex;gap:24px;color:var(--olive);font-weight:700}.nav-links a:hover{color:var(--terracotta)}
.section,.hero{padding:72px clamp(18px,5vw,72px)}.section-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--terracotta-dark);font-weight:800;font-size:13px;margin:0 0 12px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,6vw,72px);line-height:.95;letter-spacing:-.05em;margin-bottom:22px}h2{font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:-.035em;margin-bottom:12px}.lead{font-size:20px;line-height:1.65;color:var(--muted);max-width:640px}.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0}.hero-points span{background:var(--olive-soft);color:var(--olive);padding:10px 14px;border-radius:999px;font-weight:700}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;font-weight:800;border:0;cursor:pointer;font-size:16px}.btn-primary{background:var(--olive);color:#fff;box-shadow:0 14px 30px rgba(47,74,58,.22)}.btn-primary:hover{background:#243B2E}.btn-soft{background:var(--sand);color:var(--terracotta-dark)}.full{width:100%}
.product-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:36px;box-shadow:var(--shadow);padding:24px}.main-picture{display:block}.product-card>img,.product-card .main-picture img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:28px;background:var(--cream)}.badge{position:absolute;top:18px;right:18px;background:var(--terracotta);color:#fff;padding:10px 14px;border-radius:999px;font-weight:800;z-index:2}.thumb-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}.thumb-row{align-items:start}.thumb{border:2px solid transparent;border-radius:18px;background:var(--cream);padding:5px 5px 7px;cursor:pointer}.thumb.active{border-color:var(--terracotta)}.thumb img{border-radius:14px;aspect-ratio:1/1;object-fit:cover;width:100%}.thumb-caption{display:block;margin-top:6px;font-size:11px;line-height:1.3;color:var(--muted);text-align:center;font-weight:600}.thumb.active .thumb-caption{color:var(--terracotta-dark)}
.section-heading{max-width:720px;margin-bottom:28px}.section-heading.center{text-align:center;margin-inline:auto}.features,.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.features article,.reviews article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 12px 36px rgba(47,74,58,.07)}.features span{color:var(--terracotta);font-weight:900}.features h3{margin:12px 0 8px;font-size:22px}.features p,.reviews p{color:var(--muted);line-height:1.7}.stars{color:var(--terracotta);letter-spacing:.08em;margin-bottom:12px}
.specs-section{background:linear-gradient(180deg,var(--cream),#fff)}.spec-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:980px;margin:0 auto}.spec-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 12px 36px rgba(47,74,58,.07);text-align:center}.spec-icon{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:18px;background:var(--olive-soft);color:var(--terracotta);margin-bottom:14px}.spec-icon svg{width:28px;height:28px}.spec-card h3{font-size:20px;margin:0 0 8px;color:var(--olive)}.spec-card p{color:var(--muted);line-height:1.65;margin:0;font-size:15px}
.spec-strip{max-width:860px;margin:0 auto 18px;padding:0;list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.spec-strip li{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;text-align:center;font-size:14px;color:var(--muted);font-weight:600}.spec-strip strong{display:block;color:var(--terracotta-dark);font-size:17px;font-weight:800}
.offer-preview{max-width:860px;margin:0 auto 22px;display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}.offer-preview picture{display:block}.offer-preview img{width:150px;height:150px;object-fit:cover;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 12px 34px rgba(47,74,58,.1)}.offer-preview .spec-strip{margin:0}
.offer-section{background:linear-gradient(180deg,#fff,var(--cream))}.offers{max-width:860px;margin:0 auto;display:grid;gap:14px}.offer-card{position:relative;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;background:#fff;border:2px solid var(--line);border-radius:24px;padding:22px;cursor:pointer;box-shadow:0 12px 34px rgba(47,74,58,.06)}.offer-card.selected{border-color:var(--terracotta);box-shadow:0 18px 46px rgba(183,101,75,.16)}.offer-card input{position:absolute;opacity:0}.radio-dot{width:26px;height:26px;border-radius:50%;border:2px solid var(--terracotta);display:inline-block}.selected .radio-dot{box-shadow:inset 0 0 0 7px #fff;background:var(--terracotta)}.offer-info strong{display:block;font-size:22px}.offer-info small{display:block;color:var(--muted);margin-top:5px}.price{font-size:24px;font-weight:900;color:var(--olive)}.popular-tag{position:absolute;right:22px;top:-16px;background:var(--terracotta);color:#fff;padding:8px 14px;border-radius:999px;font-weight:800;font-size:13px}.summary-card{max-width:860px;margin:18px auto 0;background:var(--olive);color:#fff;border-radius:26px;padding:18px;display:grid;grid-template-columns:1fr 1fr auto;gap:18px;align-items:center}.summary-card small{display:block;opacity:.7}.summary-card .btn-primary{background:#fff;color:var(--olive)}
.order-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}.order-copy p{color:var(--muted);line-height:1.7}.cod-box{background:var(--olive-soft);border:1px solid #cfdecf;border-radius:20px;padding:18px;display:flex;justify-content:space-between;color:var(--olive)}.order-form{background:#fff;border:1px solid var(--line);border-radius:30px;padding:24px;box-shadow:var(--shadow);display:grid;gap:15px}.order-form label{display:grid;gap:8px;font-weight:800;color:var(--olive)}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:16px;padding:15px 16px;font:inherit;background:#fff;color:var(--charcoal)}input:focus,textarea:focus,select:focus{outline:3px solid rgba(183,101,75,.18);border-color:var(--terracotta)}.form-note{font-size:13px;color:var(--muted);text-align:center;margin:0}.success-modal{position:fixed;inset:0;background:rgba(34,32,29,.55);display:none;align-items:center;justify-content:center;padding:20px;z-index:50}.success-modal.show{display:flex}.modal-box{position:relative;background:#fff;border-radius:28px;padding:30px;max-width:440px;width:100%;box-shadow:0 30px 90px rgba(0,0,0,.25)}.modal-close{position:absolute;right:16px;top:14px;border:0;background:var(--sand);border-radius:50%;width:34px;height:34px;font-size:24px;cursor:pointer}footer{text-align:center;padding:42px 18px;background:var(--charcoal);color:#fff}footer p{color:#d5c8bc;margin:8px 0 0}
@media (max-width:820px){.nav-links{display:none}.section,.hero{padding:48px 18px}.section-grid,.order-section{grid-template-columns:1fr;gap:28px}.hero{padding-top:34px}h1{font-size:44px}.lead{font-size:17px}.features,.reviews{grid-template-columns:1fr}.spec-cards{grid-template-columns:1fr;max-width:420px}.offer-preview{grid-template-columns:1fr;justify-items:center;text-align:center;gap:14px}.offer-preview img{width:180px;height:180px}.offer-preview .spec-strip{width:100%}.spec-strip{grid-template-columns:1fr 1fr 1fr;gap:8px}.spec-strip li{padding:10px 6px;font-size:12px}.spec-strip strong{font-size:15px}.summary-card{grid-template-columns:1fr 1fr}.summary-card .btn{grid-column:1/-1}.offer-card{grid-template-columns:auto 1fr;align-items:start}.price{grid-column:2}.product-card{border-radius:28px;padding:14px}.product-card>img,.product-card .main-picture img{border-radius:22px;aspect-ratio:4/5}}