/* =========================================================
   Reliable Naturals · Herbal Paachak — Purchase Flow
   Shared ecommerce styles (loads AFTER styles.css for tokens)
   ========================================================= */

/* ---------- Shop header (simple, premium) ---------- */
.shop-header{
  position:sticky;top:0;z-index:50;
  background:rgba(253,251,245,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(46,93,75,.1)
}
.shop-header__inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:12px 0
}
.shop-header .brand__logo{height:46px;width:auto;display:block}
.shop-header__back{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.9rem;font-weight:600;color:var(--green-700);
  padding:9px 16px;border-radius:100px;background:rgba(46,93,75,.07);
  transition:background .25s,transform .25s
}
.shop-header__back:hover{background:rgba(46,93,75,.13);transform:translateX(-2px)}
.shop-header__back svg{width:16px;height:16px}

/* ---------- Step / progress indicator ---------- */
.steps{
  display:flex;align-items:center;justify-content:center;gap:0;
  max-width:620px;margin:0 auto;padding:30px 0 4px
}
.step{display:flex;align-items:center;gap:10px;flex:1}
.step:last-child{flex:none}
.step__dot{
  width:34px;height:34px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:.86rem;font-weight:700;
  background:var(--ivory);color:var(--muted);
  border:2px solid rgba(46,93,75,.18);transition:.3s
}
.step__label{font-size:.8rem;font-weight:600;color:var(--muted);white-space:nowrap}
.step__line{height:2px;flex:1;background:rgba(46,93,75,.15);margin:0 4px;border-radius:2px}
.step.is-done .step__dot{background:var(--green-600);border-color:var(--green-600);color:#fff}
.step.is-active .step__dot{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 0 0 4px rgba(194,160,90,.2)}
.step.is-active .step__label{color:var(--green-700)}
.step.is-done .step__label{color:var(--green-600)}
@media (max-width:620px){
  .step__label{display:none}
  .step{gap:4px}
}

/* ---------- Page intro ---------- */
.page-wrap{padding:clamp(28px,5vw,52px) 0 clamp(60px,8vw,100px);position:relative;z-index:1}
.page-title{font-family:var(--font-serif);font-size:clamp(1.8rem,4vw,2.6rem);color:var(--green-700);text-align:center;margin:6px 0}
.page-sub{text-align:center;color:var(--muted);max-width:520px;margin:0 auto 8px}

/* =========================================================
   PRODUCT DETAIL
   ========================================================= */
.pd-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:54px;align-items:start;margin-top:30px}
.pd-grid > *{min-width:0}

/* gallery */
.pd-gallery{position:sticky;top:90px}
.pd-main{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:radial-gradient(120% 120% at 30% 20%,#fff,#eef3e9 75%);
  aspect-ratio:1;display:grid;place-items:center;
  box-shadow:var(--shadow-md);cursor:zoom-in
}
/* real product photo fills the square card (its warm bg bleeds edge-to-edge), centered crop */
.pd-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .4s var(--ease)}
.pd-main img.is-missing{display:none}
.pd-main img.is-missing ~ .pd-main__mock{display:grid}
.pd-main__mock{display:none;place-items:center;color:var(--green-600)}
.pd-main.zoomed img{transform:scale(1.9)}
.pd-badges-float{position:absolute;top:16px;left:16px;display:flex;flex-direction:column;gap:8px;z-index:2}
.pd-float-badge{
  background:rgba(253,251,245,.92);backdrop-filter:blur(6px);
  border-radius:100px;padding:6px 14px;font-size:.76rem;font-weight:700;
  color:var(--green-700);box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;gap:6px
}
.pd-float-badge svg{width:13px;height:13px;color:var(--gold)}
.pd-thumbs{display:flex;gap:12px;margin-top:14px}
.pd-thumb{
  width:80px;height:80px;border-radius:16px;overflow:hidden;flex:none;cursor:pointer;
  background:radial-gradient(circle at 40% 30%,#f3f7ef,#dde8d6);
  border:2px solid transparent;transition:border-color .25s,transform .25s;
  display:grid;place-items:center
}
.pd-thumb img{width:100%;height:100%;object-fit:cover}
.pd-thumb img.is-missing{display:none}
.pd-thumb img.is-missing ~ svg{display:block}
.pd-thumb svg{display:none;width:40px;color:var(--green-600)}
.pd-thumb:hover{transform:translateY(-2px)}
.pd-thumb.active{border-color:var(--gold)}

/* info */
.pd-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brown-soft)}
.pd-title{font-family:var(--font-serif);font-size:clamp(2.2rem,5vw,3.2rem);color:var(--green-700);line-height:1.05;margin:10px 0 4px}
.pd-tagline{font-size:1.06rem;color:var(--muted);font-style:italic;font-family:var(--font-serif)}
.pd-rating{display:flex;align-items:center;gap:10px;margin:16px 0 22px}
.pd-rating .stars{color:var(--gold);letter-spacing:2px;font-size:1.05rem}
.pd-rating span{font-size:.88rem;color:var(--muted)}
.pd-price{display:flex;align-items:baseline;gap:12px;margin-bottom:24px}
.pd-price b{font-family:var(--font-serif);font-size:2.4rem;color:var(--green-700);font-weight:600}
.pd-price del{color:var(--muted);font-size:1.1rem}
.pd-price .save{background:rgba(46,93,75,.1);color:var(--green-600);font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:100px}

.pd-label{font-size:.82rem;font-weight:700;letter-spacing:.04em;color:var(--green-700);margin-bottom:10px;display:block}
.size-opts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}
.size-opt{
  position:relative;border:2px solid rgba(46,93,75,.16);border-radius:18px;
  padding:16px 12px;text-align:center;cursor:pointer;background:var(--ivory);
  transition:border-color .25s,box-shadow .25s,transform .2s
}
.size-opt:hover{border-color:rgba(46,93,75,.4);transform:translateY(-2px)}
.size-opt.active{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(46,93,75,.1)}
.size-opt.active::after{
  content:'✓';position:absolute;top:-9px;right:-9px;width:24px;height:24px;border-radius:50%;
  background:var(--green-600);color:#fff;font-size:.74rem;display:grid;place-items:center;font-weight:700
}
.size-opt__size{display:block;font-family:var(--font-serif);font-size:1.16rem;color:var(--green-700);font-weight:600}
.size-opt__price{display:block;font-size:.92rem;color:var(--muted);margin-top:2px}

/* quantity */
.qty-row{display:flex;align-items:center;gap:18px;margin-bottom:26px}
.qty-box{display:inline-flex;align-items:center;border:2px solid rgba(46,93,75,.16);border-radius:100px;overflow:hidden}
.qty-box button{width:44px;height:46px;display:grid;place-items:center;color:var(--green-700);transition:background .2s}
.qty-box button:hover{background:rgba(46,93,75,.08)}
.qty-box button svg{width:16px;height:16px}
.qty-box input{width:46px;text-align:center;border:0;background:transparent;font-size:1.05rem;font-weight:600;color:var(--green-700);font-family:var(--font-serif);outline:none}
.qty-total{font-size:.92rem;color:var(--muted)}
.qty-total b{color:var(--green-700);font-family:var(--font-serif);font-size:1.15rem}

/* CTAs */
.pd-ctas{display:flex;flex-direction:column;gap:12px;margin-bottom:26px}
.btn--block{width:100%;justify-content:center}
.btn--xl{--pad:18px 30px;font-size:1.05rem}

/* trust badges */
.pd-trust{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;padding:22px 0 0;border-top:1px solid rgba(46,93,75,.1)}
.pd-trust span{display:flex;align-items:center;gap:9px;font-size:.88rem;color:var(--ink);font-weight:500}
.pd-trust svg{width:18px;height:18px;color:var(--green-600);flex:none}

/* =========================================================
   PRODUCT TABS
   ========================================================= */
.pd-tabs{margin-top:clamp(50px,7vw,90px)}
.tab-nav{display:flex;flex-wrap:wrap;gap:6px;border-bottom:2px solid rgba(46,93,75,.12);margin-bottom:30px}
.tab-btn{
  padding:13px 22px;font-size:.95rem;font-weight:600;color:var(--muted);
  position:relative;transition:color .25s;white-space:nowrap
}
.tab-btn:hover{color:var(--green-700)}
.tab-btn.active{color:var(--green-700)}
.tab-btn.active::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--gold)}
.tab-panel{display:none;animation:fadeUp .5s var(--ease)}
.tab-panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.tab-panel p{color:var(--muted);font-size:1.02rem;line-height:1.7;max-width:680px}
.tab-panel h3{font-family:var(--font-serif);color:var(--green-700);margin:0 0 14px}
.tab-list{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.tab-list li{display:flex;align-items:center;gap:12px;font-size:1.02rem;color:var(--ink)}
.tab-list li svg{width:20px;height:20px;color:var(--green-600);flex:none}
/* ingredient bars in tab */
.tab-ing{display:flex;flex-direction:column;gap:18px;max-width:560px}
.tab-ing__row{}
.tab-ing__top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px}
.tab-ing__name{font-family:var(--font-serif);font-size:1.12rem;color:var(--green-700)}
.tab-ing__name em{font-style:normal;font-size:.82rem;color:var(--brown-soft);margin-left:6px}
.tab-ing__pct{font-family:var(--font-serif);font-weight:600;color:var(--gold)}
.tab-ing__bar{height:9px;border-radius:100px;background:rgba(46,93,75,.1);overflow:hidden}
.tab-ing__bar i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--green-600),var(--gold))}
.tab-spec{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:760px}
.tab-spec__item{background:var(--ivory);border:1px solid rgba(46,93,75,.08);border-radius:16px;padding:20px 22px}
.tab-spec__label{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brown-soft);font-weight:600}
.tab-spec__value{font-family:var(--font-serif);font-size:1.1rem;color:var(--green-700);margin-top:4px;font-weight:600}

/* =========================================================
   CHECKOUT + PAYMENT shared 2-col
   ========================================================= */
.co-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:start;margin-top:24px}
.co-grid > *{min-width:0}
.co-card{
  background:var(--ivory);border-radius:var(--r-lg);padding:clamp(26px,3vw,38px);
  box-shadow:var(--shadow-sm);border:1px solid rgba(46,93,75,.07)
}
.co-card + .co-card{margin-top:22px}
.co-card h2{font-family:var(--font-serif);font-size:1.4rem;color:var(--green-700);margin:0 0 4px}
.co-card__hint{font-size:.88rem;color:var(--muted);margin-bottom:24px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field--full{grid-column:1/-1}
.field label{font-size:.82rem;font-weight:600;color:var(--green-700);letter-spacing:.02em}
.field label .req{color:var(--gold)}
.field input,.field textarea,.field select{
  background:var(--cream);border:1.5px solid rgba(46,93,75,.14);border-radius:12px;
  padding:13px 16px;font-family:inherit;font-size:.98rem;color:var(--ink);
  transition:border-color .25s,box-shadow .25s;outline:none;width:100%
}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(46,93,75,.1)}
.field textarea{resize:vertical;min-height:84px}
.field input.invalid,.field textarea.invalid{border-color:#c0492f;box-shadow:0 0 0 3px rgba(192,73,47,.1)}

/* order summary (sticky) */
.summary{position:sticky;top:90px}
.summary__head{display:flex;align-items:center;gap:16px;padding-bottom:20px;border-bottom:1px solid rgba(46,93,75,.1)}
.summary__img{
  width:74px;height:74px;border-radius:16px;flex:none;overflow:hidden;
  background:radial-gradient(circle at 40% 30%,#fff,#e7efe0);display:grid;place-items:center
}
.summary__img img{width:88%;height:88%;object-fit:contain;mix-blend-mode:multiply}
.summary__img img.is-missing{display:none}
.summary__img img.is-missing ~ svg{display:block}
.summary__img svg{display:none;width:40px;color:var(--green-600)}
.summary__head h3{font-family:var(--font-serif);font-size:1.12rem;color:var(--green-700);margin:0}
.summary__head p{font-size:.84rem;color:var(--muted);margin:3px 0 0}
.summary__rows{padding:18px 0;border-bottom:1px solid rgba(46,93,75,.1);display:flex;flex-direction:column;gap:11px}
.summary__row{display:flex;justify-content:space-between;font-size:.94rem;color:var(--muted)}
.summary__row b{color:var(--ink);font-weight:600}
.summary__row .free{color:var(--green-600);font-weight:700}
.summary__total{display:flex;justify-content:space-between;align-items:baseline;padding-top:18px}
.summary__total span{font-size:.95rem;color:var(--green-700);font-weight:600}
.summary__total b{font-family:var(--font-serif);font-size:1.7rem;color:var(--green-700);font-weight:600}
.summary__deliver{display:flex;align-items:center;gap:9px;margin-top:16px;padding:12px 14px;background:rgba(46,93,75,.06);border-radius:12px;font-size:.86rem;color:var(--green-700)}
.summary__deliver svg{width:18px;height:18px;color:var(--green-600);flex:none}

.co-trust{display:flex;flex-direction:column;gap:13px;margin-top:22px}
.co-trust span{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--ink);font-weight:500}
.co-trust svg{width:19px;height:19px;color:var(--green-600);flex:none}

/* =========================================================
   PAYMENT methods
   ========================================================= */
.pay-group{margin-bottom:26px}
.pay-group__title{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--brown-soft);font-weight:700;margin-bottom:12px}
.pay-methods{display:flex;flex-direction:column;gap:12px}
.pay-method{
  border:2px solid rgba(46,93,75,.14);border-radius:16px;overflow:hidden;
  transition:border-color .25s,box-shadow .25s;background:var(--ivory)
}
.pay-method.active{border-color:var(--green-600);box-shadow:0 0 0 3px rgba(46,93,75,.08)}
.pay-method__head{display:flex;align-items:center;gap:14px;padding:17px 20px;cursor:pointer}
.pay-method__radio{width:20px;height:20px;border-radius:50%;border:2px solid rgba(46,93,75,.3);flex:none;display:grid;place-items:center;transition:.2s}
.pay-method.active .pay-method__radio{border-color:var(--green-600)}
.pay-method.active .pay-method__radio::after{content:'';width:10px;height:10px;border-radius:50%;background:var(--green-600)}
.pay-method__ico{width:40px;height:40px;border-radius:11px;background:rgba(46,93,75,.07);display:grid;place-items:center;color:var(--green-700);flex:none}
.pay-method__ico svg{width:22px;height:22px}
.pay-method__name{font-weight:600;color:var(--green-700);flex:1}
.pay-method__name small{display:block;font-weight:400;color:var(--muted);font-size:.8rem}
.pay-method__tags{display:flex;gap:6px}
.pay-tag{font-size:.68rem;font-weight:700;color:var(--brown-soft);background:rgba(194,160,90,.14);padding:3px 8px;border-radius:6px}
.pay-method__body{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.pay-method.active .pay-method__body{max-height:280px}
.pay-method__inner{padding:4px 20px 22px 74px}
.pay-apps{display:flex;gap:12px;flex-wrap:wrap}
.pay-app{display:flex;flex-direction:column;align-items:center;gap:7px;cursor:pointer;padding:6px;border-radius:12px;transition:background .2s}
.pay-app:hover{background:rgba(46,93,75,.06)}
.pay-app__logo{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;font-weight:800;color:#fff;font-size:1.1rem;box-shadow:var(--shadow-sm)}
.pay-app span{font-size:.78rem;color:var(--muted)}
.pay-note{font-size:.84rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.pay-note svg{width:15px;height:15px;color:var(--green-600)}

/* =========================================================
   ORDER CONFIRMATION
   ========================================================= */
.confirm{text-align:center;max-width:720px;margin:0 auto}
.success-ring{
  width:120px;height:120px;border-radius:50%;margin:0 auto 28px;position:relative;
  display:grid;place-items:center;
  background:radial-gradient(circle,rgba(46,93,75,.12),rgba(46,93,75,.04));
  animation:popIn .6s var(--ease) both
}
.success-ring::before{content:'';position:absolute;inset:0;border-radius:50%;border:3px solid var(--green-600);opacity:.3;animation:ripple 1.8s ease-out infinite}
.success-ring__core{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--green-600),var(--green-800));display:grid;place-items:center;box-shadow:0 12px 30px rgba(31,69,54,.3)}
.success-ring__core svg{width:42px;height:42px;color:#fff;stroke-dasharray:48;stroke-dashoffset:48;animation:draw .6s .4s var(--ease) forwards}
@keyframes popIn{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
@keyframes ripple{0%{transform:scale(1);opacity:.35}100%{transform:scale(1.5);opacity:0}}
@keyframes draw{to{stroke-dashoffset:0}}
.confirm h1{font-family:var(--font-serif);font-size:clamp(2rem,5vw,2.8rem);color:var(--green-700);margin:0 0 10px}
.confirm__sub{color:var(--muted);font-size:1.05rem;margin:0 auto 8px;max-width:480px}
.confirm__order-no{display:inline-flex;align-items:center;gap:9px;margin-top:18px;background:rgba(194,160,90,.14);border:1px solid rgba(194,160,90,.3);border-radius:100px;padding:9px 20px;font-weight:700;color:var(--green-700);font-family:monospace;letter-spacing:.06em}

.confirm-details{background:var(--ivory);border-radius:var(--r-lg);padding:clamp(24px,3vw,34px);box-shadow:var(--shadow-sm);border:1px solid rgba(46,93,75,.07);text-align:left;margin-top:36px}
.confirm-details h3{font-family:var(--font-serif);color:var(--green-700);margin:0 0 18px;font-size:1.2rem}
.cd-rows{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px}
.cd-row .cd-label{font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--brown-soft);font-weight:600}
.cd-row .cd-value{font-size:1rem;color:var(--ink);margin-top:3px;font-weight:500}
.cd-row--full{grid-column:1/-1}
.cd-total{grid-column:1/-1;border-top:1px solid rgba(46,93,75,.1);padding-top:16px;display:flex;justify-content:space-between;align-items:baseline}
.cd-total b{font-family:var(--font-serif);font-size:1.5rem;color:var(--green-700)}

/* timeline */
.order-timeline{margin-top:36px;text-align:left}
.order-timeline h3{font-family:var(--font-serif);color:var(--green-700);margin:0 0 24px;font-size:1.2rem;text-align:center}
.otl{display:flex;justify-content:space-between;position:relative;max-width:600px;margin:0 auto}
.otl::before{content:'';position:absolute;top:19px;left:8%;right:8%;height:3px;background:rgba(46,93,75,.15);border-radius:3px;z-index:0}
.otl__prog{position:absolute;top:19px;left:8%;height:3px;background:var(--green-600);border-radius:3px;z-index:0;transition:width 1s var(--ease)}
.otl__step{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:9px;flex:1}
.otl__dot{width:40px;height:40px;border-radius:50%;background:var(--ivory);border:3px solid rgba(46,93,75,.15);display:grid;place-items:center;color:var(--muted);transition:.4s}
.otl__dot svg{width:18px;height:18px}
.otl__step.done .otl__dot{background:var(--green-600);border-color:var(--green-600);color:#fff}
.otl__step.current .otl__dot{background:var(--gold);border-color:var(--gold);color:#fff;box-shadow:0 0 0 5px rgba(194,160,90,.18)}
.otl__label{font-size:.82rem;font-weight:600;color:var(--muted);text-align:center}
.otl__step.done .otl__label,.otl__step.current .otl__label{color:var(--green-700)}

/* support */
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.support-btn{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  background:var(--ivory);border:1px solid rgba(46,93,75,.1);border-radius:18px;
  padding:22px 14px;text-align:center;transition:transform .3s,box-shadow .3s,border-color .3s
}
.support-btn:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(46,93,75,.25)}
.support-btn__ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(46,93,75,.08);color:var(--green-700)}
.support-btn__ico svg{width:24px;height:24px}
.support-btn.wa .support-btn__ico{background:rgba(37,211,102,.14);color:#1da851}
.support-btn span{font-size:.9rem;font-weight:600;color:var(--green-700)}

/* mini footer */
.shop-footer{background:var(--green-900);color:rgba(247,241,227,.6);padding:30px 0;text-align:center;font-size:.84rem;position:relative;z-index:1}
.shop-footer a{color:var(--gold-soft)}

/* sticky mobile buy bar */
.buy-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:45;display:none;
  background:rgba(253,251,245,.96);backdrop-filter:blur(12px);
  border-top:1px solid rgba(46,93,75,.12);padding:12px 16px;
  gap:12px;align-items:center;box-shadow:0 -8px 24px rgba(0,0,0,.08)
}
.buy-bar__price{font-family:var(--font-serif);font-size:1.4rem;color:var(--green-700);font-weight:600}
.buy-bar .btn{flex:1;justify-content:center}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:920px){
  .pd-grid{grid-template-columns:1fr;gap:36px}
  .pd-gallery{position:static;max-width:460px;margin:0 auto;width:100%}
  .co-grid{grid-template-columns:1fr;gap:26px}
  .summary{position:static}
  .support-grid{grid-template-columns:repeat(2,1fr)}
  .tab-spec{grid-template-columns:1fr 1fr}
}

@media (max-width:620px){
  /* shrink page intro + headings */
  .page-title{font-size:clamp(1.6rem,7vw,2rem)}
  .pd-title{font-size:clamp(1.9rem,8vw,2.4rem)}
  .pd-price b{font-size:2rem}

  /* header: keep on one tidy line */
  .shop-header__inner{padding:10px 0}
  .shop-header .brand__logo{height:40px}
  .shop-header__back{padding:8px 13px;font-size:.84rem}

  /* gallery */
  .pd-thumbs{gap:10px}
  .pd-thumb{width:64px;height:64px;border-radius:13px}

  /* tabs: ONE horizontal scrolling row instead of messy 3-row wrap */
  .tab-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;margin-inline:-20px;padding-inline:20px}
  .tab-nav::-webkit-scrollbar{display:none}
  .tab-btn{flex:none;padding:12px 16px;font-size:.9rem}

  /* single-column grids */
  .field-grid{grid-template-columns:1fr}
  .cd-rows{grid-template-columns:1fr}
  .tab-spec{grid-template-columns:1fr}
  .pd-trust{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr 1fr}

  /* cards: a touch less padding so content breathes */
  .co-card{padding:24px 20px}
  .confirm-details,.success-ring{}

  /* sticky buy bar replaces inline CTAs */
  .buy-bar{display:flex}
  .pd-ctas{display:none}
  .page-wrap{padding-bottom:96px}

  /* steps: compact dots only */
  .steps{padding:22px 0 0}
  .step__dot{width:30px;height:30px;font-size:.8rem}
}

/* very narrow phones (≤380px): keep 3 size options from cramping */
@media (max-width:400px){
  .size-opt{padding:13px 6px}
  .size-opt__size{font-size:1.04rem}
  .size-opt__price{font-size:.84rem}
  .pd-price b{font-size:1.8rem}
  .buy-bar{padding:10px 12px;gap:8px}
  .buy-bar__price{font-size:1.2rem}
}