/* NOOR Glow Vitamin C Serum — v4 redesign
   Fresh teal clinical-skincare identity (distinct from clothing maroon).
   Glassmorphism cards, standard spacing system. */
:root{
  --bg:#f6fbfb;
  --white:#ffffff;
  --ink:#1e293b;
  --muted:#64748b;
  --brand:#0d9488;
  --brand-deep:#0f766e;
  --brand-ink:#115e59;
  --dark:#08302d;
  --navy:#0a1f1e;
  --tint:#dcf5f2;
  --tint-soft:#f0fdfa;
  --line:#c9ece8;
  --gold:#fbbf24;
  --gold-deep:#b45309;
  --teal-bright:#5eead4;
  --radius:32px;
  --radius-m:24px;
  --maxw:1400px;
  /* STANDARD SPACING SYSTEM (CEO rule 2026-10-11) */
  --band-pad-y:14px;
  --card-pad:clamp(28px,4vw,64px);
  --title-gap:10px;
  --content-gap:34px;
  --grid-gap:22px;
  --font:"Hind Siliguri","Noto Sans Bengali",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block}
a{text-decoration:none}

/* Netlify free-plan badge suppression (paired with the head guard script) */
#nl-hud-frame,#nl-badge-frame{display:none!important;visibility:hidden!important}

/* ——— Band + card system: every visible box spans the 1400px band edge to edge ——— */
.band{padding:var(--band-pad-y) clamp(12px,3vw,40px)}
.card{max-width:var(--maxw);margin:0 auto;border-radius:var(--radius);padding:var(--card-pad);overflow:hidden}
.section-title{font-size:clamp(26px,3.4vw,44px);font-weight:700;line-height:1.35;text-align:center}
.section-sub{text-align:center;color:var(--muted);margin:var(--title-gap) 0 var(--content-gap);font-size:clamp(15px,1.6vw,19px)}

/* ——— Glass primitive ——— */
.glass{background:rgba(255,255,255,.62);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.9);box-shadow:0 8px 32px rgba(13,148,136,.12)}

/* ——— Buttons ——— */
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;font-weight:700;
  padding:16px 42px;border-radius:999px;font-size:18px;border:none;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease;text-align:center;font-family:var(--font)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(13,148,136,.35)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#f59e0b);color:#422006}
.btn-gold:hover{box-shadow:0 12px 28px rgba(251,191,36,.45)}
.btn-full{width:100%;padding:18px 20px}

/* ——— Hero ——— */
.hero-card{background:linear-gradient(135deg,#f0fdfa 0%,#ccfbf1 60%,#99f6e4 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,72px);align-items:center}
.brand-name{font-size:15px;font-weight:700;letter-spacing:6px;color:var(--brand-ink);margin-bottom:14px}
.hero-copy h1{font-size:clamp(32px,4.6vw,60px);line-height:1.3;font-weight:700}
.hero-sub{color:#475569;margin:18px 0 24px;font-size:clamp(15px,1.7vw,19px)}
.hero-price{display:flex;align-items:center;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.price-now{font-size:clamp(30px,3.4vw,44px);font-weight:700;color:var(--brand-ink)}
.price-old{font-size:20px;color:var(--muted);text-decoration:line-through}
.price-off{background:var(--brand);color:#fff;font-size:14px;font-weight:700;padding:5px 14px;border-radius:999px}
.hero-points{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;color:#475569;font-size:15px}
.hero-points span::before{content:"✓ ";color:var(--brand-deep);font-weight:700}
.hero-media img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);
  box-shadow:0 24px 60px rgba(13,148,136,.22);border:6px solid rgba(255,255,255,.7)}

/* ——— Features (glass) ——— */
.features-card{background:var(--white);box-shadow:0 8px 30px rgba(30,41,59,.06)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--grid-gap)}
.feature-item{border-radius:20px;overflow:hidden;background:rgba(240,253,250,.7);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.9);box-shadow:0 8px 28px rgba(13,148,136,.12);
  transition:transform .18s ease,box-shadow .18s ease}
.feature-item:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(13,148,136,.2)}
.feature-item img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover}
.feature-item h3{font-size:18px;padding:18px 18px 6px}
.feature-item p{font-size:15px;color:var(--muted);padding:0 18px 20px}

/* ——— Ingredients (new) ——— */
.ing-card{background:linear-gradient(135deg,#dcf5f2,#f0fdfa)}
.ing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}
.ing-item{border-radius:22px;padding:34px 28px;text-align:center;
  background:rgba(255,255,255,.55);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 10px 34px rgba(13,148,136,.14)}
.ing-icon{width:64px;height:64px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 8px 22px rgba(13,148,136,.35)}
.ing-icon svg{width:30px;height:30px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ing-item h3{font-size:20px;margin-bottom:8px}
.ing-item p{color:var(--muted);font-size:15px}

/* ——— Concerns (new) ——— */
.concern-card{background:var(--white);box-shadow:0 8px 30px rgba(30,41,59,.06);text-align:center}
.concern-pills{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;max-width:960px;margin:0 auto}
.concern-pill{background:rgba(240,253,250,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:999px;padding:13px 26px;font-size:16px;font-weight:600;color:var(--brand-ink);
  box-shadow:0 4px 16px rgba(13,148,136,.1)}
.concern-pill::before{content:"✓ ";color:var(--brand-deep);font-weight:700}

/* ——— Pack picker ——— */
.picker-card{background:var(--white);box-shadow:0 8px 30px rgba(30,41,59,.06)}
.picker-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:start}
.picker-media img#packImage{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);
  border:6px solid rgba(220,245,242,.9);box-shadow:0 18px 44px rgba(13,148,136,.16)}
.pack-thumbs{display:flex;gap:12px;margin-top:14px}
.pack-thumb{border:3px solid transparent;border-radius:14px;overflow:hidden;cursor:pointer;padding:0;background:#fff;
  box-shadow:0 4px 14px rgba(30,41,59,.08)}
.pack-thumb img{width:84px;height:84px;object-fit:cover;display:block}
.pack-thumb.active{border-color:var(--brand)}
.pack-name{font-size:clamp(26px,3vw,38px);font-weight:700}
.pack-price{display:flex;align-items:center;gap:12px;margin:12px 0 18px}
.pack-features{list-style:none;margin-bottom:22px}
.pack-features li{padding:9px 0 9px 30px;position:relative;font-size:16px}
.pack-features li::before{content:"✓";position:absolute;left:4px;color:var(--brand-deep);font-weight:700}
.pack-options{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:22px}
.pack-option{position:relative;border:2px solid var(--line);background:rgba(240,253,250,.6);border-radius:18px;
  padding:20px 18px;cursor:pointer;font-family:var(--font);color:var(--ink);text-align:left;
  transition:border-color .15s ease,box-shadow .15s ease,transform .15s ease}
.pack-option:hover{transform:translateY(-2px)}
.pack-option .opt-name{display:block;font-size:17px;font-weight:700}
.pack-option .opt-detail{display:block;font-size:14px;color:var(--muted);margin-top:2px}
.pack-option .opt-price{display:block;font-size:22px;font-weight:700;color:var(--brand-ink);margin-top:8px}
.pack-option .opt-save{position:absolute;top:-13px;left:16px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px}
.pack-option .opt-check{position:absolute;top:16px;right:16px;width:28px;height:28px;border-radius:50%;
  border:2px solid #99f6e4;display:flex;align-items:center;justify-content:center;
  color:transparent;font-weight:700;transition:all .15s ease;background:#fff}
.pack-option.active{border-color:var(--brand);background:#fff;box-shadow:0 12px 32px rgba(13,148,136,.2)}
.pack-option.active .opt-check{background:var(--brand);border-color:var(--brand);color:#fff}

/* ——— How to use (glass) ——— */
.usage-card{background:linear-gradient(135deg,#f0fdfa,#e6f7f5)}
.usage-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--grid-gap)}
.usage-step{border-radius:22px;padding:32px 26px;text-align:center;
  background:rgba(255,255,255,.6);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 10px 32px rgba(13,148,136,.13)}
.step-icon{width:68px;height:68px;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;
  border-radius:22px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 10px 24px rgba(13,148,136,.35)}
.step-icon svg{width:32px;height:32px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.usage-step h3{font-size:19px;margin-bottom:8px}
.usage-step p{color:var(--muted);font-size:15px}
.usage-note{border-radius:20px;padding:24px;margin-top:22px;text-align:center;
  background:rgba(255,255,255,.65);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px dashed var(--brand);box-shadow:0 8px 26px rgba(13,148,136,.1)}
.usage-note h3{font-size:20px;margin-bottom:8px;color:var(--brand-ink)}
.usage-note p{color:#475569;font-size:15px;max-width:900px;margin:0 auto}

/* ——— Offer (fresh light restyle) ——— */
.offer-card{background:linear-gradient(135deg,#f0fdfa 0%,#ccfbf1 70%,#99f6e4 100%);text-align:center}
.offer-card h2{font-size:clamp(26px,3.4vw,42px);margin-bottom:var(--title-gap);color:var(--brand-ink)}
.offer-sub{color:#475569;margin-bottom:30px;font-size:17px}
.offer-prices{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:980px;margin:0 auto 30px}
.offer-price-item{border-radius:22px;padding:30px 24px;
  background:rgba(255,255,255,.68);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 12px 36px rgba(13,148,136,.14)}
.offer-price-item.highlight{border:2px solid var(--brand-deep);box-shadow:0 14px 40px rgba(13,148,136,.3)}
.offer-price-item .op-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand-ink);
  background:var(--tint);padding:4px 16px;border-radius:999px;margin-bottom:10px}
.offer-price-item.highlight .op-tag{background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff}
.offer-price-item strong{display:block;font-size:clamp(34px,3.6vw,48px);color:var(--brand-ink)}
.offer-price-item s{color:var(--muted);font-size:18px}
.offer-price-item .op-save{display:block;margin-top:6px;color:var(--brand-ink);font-weight:700}
.countdown{display:flex;gap:12px;justify-content:center;margin-bottom:32px}
.cd-box{min-width:88px;padding:14px 10px;border-radius:16px;
  background:linear-gradient(135deg,var(--brand-deep),var(--dark));box-shadow:0 10px 26px rgba(8,48,45,.35)}
.cd-box span{font-size:32px;font-weight:700;display:block;color:#fff}
.cd-box small{color:#99f6e4;font-size:13px;font-weight:600}

/* ——— Comparison (glass) ——— */
.compare-card{background:var(--white);box-shadow:0 8px 30px rgba(30,41,59,.06)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--grid-gap)}
.compare-item{border-radius:22px;padding:34px 32px;
  background:rgba(248,250,252,.7);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(226,232,240,.9)}
.compare-item.ours{background:rgba(240,253,250,.75);border:2px solid var(--brand);
  box-shadow:0 14px 40px rgba(13,148,136,.18);position:relative}
.compare-item .cmp-badge{position:absolute;top:-15px;left:28px;background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:13px;font-weight:700;padding:5px 18px;border-radius:999px;letter-spacing:1px}
.compare-item h3{font-size:22px;margin-bottom:16px}
.compare-item ul{list-style:none}
.compare-item li{padding:8px 0 8px 30px;position:relative;font-size:16px}
.compare-item.ours li::before{content:"✓";position:absolute;left:4px;color:var(--brand-deep);font-weight:700}
.compare-item.theirs li::before{content:"✕";position:absolute;left:4px;color:var(--muted);font-weight:700}
.compare-item.theirs{color:var(--muted)}

/* ——— Checkout ——— */
.checkout-card{background:linear-gradient(135deg,#dcf5f2,#f0fdfa);overflow:visible}
/* overflow visible so the custom dropdown lists are never clipped by the card */
.checkout-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.checkout-form h3,.checkout-summary h3{font-size:22px;margin-bottom:18px}
.checkout-form label{display:block;font-weight:600;margin-bottom:18px;font-size:16px}
.checkout-form input,.checkout-form textarea{
  width:100%;margin-top:8px;padding:15px 16px;border:2px solid var(--line);border-radius:14px;
  font-family:var(--font);font-size:16px;background:rgba(255,255,255,.9);color:var(--ink);
  transition:border-color .15s ease,box-shadow .15s ease}
.checkout-form input:focus,.checkout-form textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(13,148,136,.15);background:#fff}
/* custom select */
.select{position:relative;margin-top:8px}
.select-btn{width:100%;display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:15px 16px;border:2px solid var(--line);border-radius:14px;background:rgba(255,255,255,.9);
  font-family:var(--font);font-size:16px;cursor:pointer;color:var(--ink);text-align:left;
  transition:border-color .15s ease,box-shadow .15s ease}
.select.open .select-btn{border-color:var(--brand);box-shadow:0 0 0 4px rgba(13,148,136,.15);background:#fff}
.select-arrow{color:var(--brand-deep);font-size:14px;transition:transform .2s ease;flex:none}
.select.open .select-arrow{transform:rotate(180deg)}
.select-list{position:absolute;top:calc(100% + 8px);left:0;right:0;background:#fff;
  border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(8,48,45,.18);
  list-style:none;overflow:hidden;display:none;z-index:40}
.select.open .select-list{display:block}
.select-list li{padding:14px 16px;cursor:pointer;font-size:16px;transition:background .12s ease}
.select-list li:hover{background:var(--tint-soft)}
.select-list li.selected{background:var(--tint);font-weight:700;color:var(--brand-ink)}
.checkout-summary{border-radius:22px;padding:32px 30px;
  background:rgba(255,255,255,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.95);box-shadow:0 16px 44px rgba(13,148,136,.16)}
.sum-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.sum-head h3{margin:0}
.sum-pack-tag{background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:999px}
.summary-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:16px}
.summary-row.total{border-bottom:none;font-size:20px;color:var(--brand-ink);padding-top:16px}
.summary-note{color:var(--muted);font-size:14px;margin:16px 0 20px}
.confirm-msg{display:none;background:#ecfdf5;color:#065f46;border-radius:12px;padding:14px;margin-top:16px;font-size:15px}
.confirm-msg.show{display:block}

/* ——— FAQ (glass) ——— */
.faq-card{background:var(--white);box-shadow:0 8px 30px rgba(30,41,59,.06)}
.faq-list{max-width:1000px;margin:0 auto}
.faq-item{border-radius:16px;margin-bottom:12px;overflow:hidden;
  background:rgba(240,253,250,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.9);box-shadow:0 6px 20px rgba(13,148,136,.1)}
.faq-q{width:100%;background:none;border:none;font-family:var(--font);font-size:17px;font-weight:600;
  text-align:left;padding:20px 22px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink)}
.faq-q span{font-size:24px;color:var(--brand-deep);flex:none;margin-left:12px;transition:transform .2s ease}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-item.open .faq-a{max-height:300px}
.faq-item.open .faq-q span{transform:rotate(45deg)}

/* ——— Footer: Afiah reference layout (dark, centered brand, split bottom row) ——— */
.footer{background:var(--navy);color:#94a3b8;text-align:center;padding:56px 20px 28px}
.footer-brand{font-size:26px;font-weight:700;letter-spacing:10px;color:#fff}
.footer-tag{max-width:640px;margin:14px auto 0;font-size:15px;line-height:1.8;color:#94a3b8}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;
  max-width:var(--maxw);margin:36px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:14px}
.footer-credit a{color:var(--teal-bright);font-weight:600}

/* ——— Thank you overlay ——— */
.thanks-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(8,48,45,.55);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}
.thanks-overlay.show{opacity:1;visibility:visible}
.thanks-card{max-width:520px;width:100%;border-radius:28px;padding:44px 36px;text-align:center;
  background:rgba(255,255,255,.94);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid rgba(255,255,255,.9);box-shadow:0 30px 80px rgba(8,48,45,.35);
  transform:translateY(24px) scale(.97);transition:transform .3s ease;max-height:92vh;overflow-y:auto}
.thanks-overlay.show .thanks-card{transform:none}
.thanks-check{width:92px;height:92px;margin:0 auto 20px}
.thanks-check svg{width:100%;height:100%;fill:none;stroke:var(--brand);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.thanks-check circle{stroke-dasharray:151;stroke-dashoffset:151}
.thanks-check path{stroke-dasharray:40;stroke-dashoffset:40}
.thanks-overlay.show .thanks-check circle{animation:draw .7s ease forwards}
.thanks-overlay.show .thanks-check path{animation:draw .5s .5s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.thanks-card h2{font-size:34px;color:var(--brand-ink)}
.thanks-sub{color:var(--muted);margin:6px 0 20px}
.thanks-order{display:flex;justify-content:space-between;align-items:center;background:var(--tint-soft);
  border:1px dashed var(--brand);border-radius:14px;padding:12px 18px;margin-bottom:16px;font-size:15px}
.thanks-order strong{color:var(--brand-ink);letter-spacing:1px}
.thanks-recap{margin-bottom:16px;text-align:left}
.thanks-note{color:var(--muted);font-size:14px;margin-bottom:24px}

/* ——— Sticky CTA: mobile only, smart hide ——— */
.sticky-cta{display:none}

/* ——— Responsive ——— */
@media (max-width:900px){
  :root{--band-pad-y:10px;--content-gap:26px;--grid-gap:14px}
  .card{border-radius:var(--radius-m);padding:24px}
  .hero-grid,.picker-grid,.checkout-grid{grid-template-columns:1fr}
  .hero-media{order:-1}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .ing-grid{grid-template-columns:1fr}
  .usage-steps{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .offer-prices{grid-template-columns:1fr;max-width:520px}
  .footer-row{flex-direction:column;text-align:center;gap:6px}
  .sticky-cta{
    display:block;position:fixed;left:12px;right:12px;bottom:12px;z-index:50;
    background:linear-gradient(135deg,var(--brand),var(--brand-deep));color:#fff;text-align:center;font-weight:700;font-size:17px;
    padding:16px;border-radius:999px;box-shadow:0 10px 30px rgba(13,148,136,.45);
    transform:translateY(120px);transition:transform .3s ease}
  .sticky-cta.show{transform:translateY(0)}
}
@media (max-width:560px){
  .feature-grid{grid-template-columns:1fr}
  .pack-options{grid-template-columns:1fr}
}