/* ==========================================================
   E-book by Sagar - store styles (home page and /shop)
   Same tokens as the product pages so the whole site reads as one shop.
   ========================================================== */
:root{
  --paper:#F5FAFA;
  --paper-2:#EDF6F5;
  --card:#FFFFFF;
  --ink:#1E272A;
  --ink-2:#33403F;
  --muted:#5D6A6F;
  --line:#DCE8E8;
  --line-2:#EBF2F2;
  --teal:#0F9E90;
  --teal-dark:#0B7C71;
  --teal-soft:#E4F5F2;
  --teal-ink:#0A786D;
  --coral:#FF6B6B;
  --coral-soft:#FFEDEC;
  --coral-ink:#C43331;
  --leaf-soft:#E4F6EC;
  --leaf-ink:#147443;
  --indigo:#3B3FB6;
  --indigo-dark:#24277A;
  --indigo-soft:#EEEDFF;
  --indigo-ink:#4B3FB0;
  --sun:#F0A81F;
  --sun-soft:#FFF3DC;
  --night:#12282B;

  --btn-1:#D93A3A;
  --btn-2:#CE3434;
  --btn-3:#C42F2F;
  --btn-shadow:#A82C2C;

  --r-sm:12px;
  --radius:16px;
  --r-lg:20px;
  --r-xl:26px;

  --sh-xs:0 1px 2px rgba(20,45,49,.05);
  --sh-sm:0 1px 2px rgba(20,45,49,.05), 0 6px 16px -8px rgba(20,45,49,.16);
  --sh-md:0 2px 6px -2px rgba(20,45,49,.07), 0 14px 30px -12px rgba(20,45,49,.22);
  --sh-lg:0 8px 18px -8px rgba(20,45,49,.16), 0 30px 60px -22px rgba(20,45,49,.34);

  --shell:1120px;
  --gutter:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
@media(min-width:600px){:root{--gutter:20px}}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:116px}
body{
  font-family:'Poppins',system-ui,-apple-system,sans-serif;
  background:var(--paper);color:var(--ink);
  font-size:16px;line-height:1.62;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
section{padding:clamp(44px, 4vw + 26px, 76px) 0}
h1,h2,h3{line-height:1.22;letter-spacing:-.02em;font-weight:700}
h1,h2{text-wrap:balance}
h1{font-size:clamp(1.9rem, 1.3rem + 2.2vw, 3.2rem);line-height:1.12;letter-spacing:-.034em}
h2{font-size:clamp(1.45rem, 1.06rem + 1.6vw, 2.1rem);letter-spacing:-.028em}
h3{font-size:1.06rem;letter-spacing:-.012em}
h1,h2,h3,p,li,summary{overflow-wrap:break-word}
p{max-width:62ch}
.lead{color:var(--muted);font-size:clamp(1rem, .95rem + .25vw, 1.1rem);line-height:1.62}
.center{text-align:center}
.center p{margin-left:auto;margin-right:auto}
::selection{background:#CDEDE7;color:var(--ink)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 24px}
.sec-head .lead{margin-top:8px}
.more{font-weight:600;font-size:.92rem;color:var(--teal-ink);text-decoration:none;white-space:nowrap}
.more:hover{text-decoration:underline}

/* ---------- header ---------- */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,250,250,.9);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.bar{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;text-decoration:none;flex:none}
.brand img{height:30px;width:auto}
.topnav{margin-left:auto;display:flex;align-items:center;gap:2px;font-size:.875rem}
.topnav a{
  color:var(--muted);text-decoration:none;font-weight:500;
  padding:8px 10px;border-radius:9px;min-height:40px;display:inline-flex;align-items:center;
  transition:color .18s ease,background-color .18s ease;
}
.topnav a:hover,.topnav a[aria-current="page"]{color:var(--teal-ink);background:var(--teal-soft)}
.hdr-cta{
  display:none;flex:none;
  background:var(--ink);color:#fff;text-decoration:none;white-space:nowrap;
  font-weight:600;font-size:.86rem;padding:10px 18px;border-radius:999px;
  transition:background-color .18s ease;
}
.hdr-cta:hover{background:var(--teal-dark)}
@media(min-width:720px){.hdr-cta{display:inline-block}.topnav{gap:6px;margin-right:4px}}
.cx-open{margin-left:4px}
@media(max-width:420px){.brand img{height:24px}.bar{gap:6px}.topnav a{padding:8px 7px;font-size:.82rem}}
@media(max-width:440px){.topnav a.opt{display:none}}

/* ---------- category bar (second header row) ---------- */
.catbar{border-top:1px solid var(--line-2)}
.catbar .shell{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.catbar .shell::-webkit-scrollbar{display:none}
.catbar a{
  flex:none;display:inline-flex;align-items:center;gap:7px;min-height:42px;padding:6px 12px;
  font-size:.84rem;font-weight:600;color:var(--ink-2);text-decoration:none;white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.catbar a:first-child{padding-left:0}
.catbar a:hover,.catbar a[aria-current="true"]{color:var(--teal-ink);border-bottom-color:var(--teal)}
.catbar i{width:8px;height:8px;border-radius:50%;flex:none}
.catbar small{font-size:.74rem;font-weight:500;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;text-align:center;text-decoration:none;
  background:linear-gradient(180deg,var(--btn-1) 0%,var(--btn-2) 55%,var(--btn-3) 100%);
  color:#fff;font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:14px;border:0;cursor:pointer;font-family:inherit;
  box-shadow:0 4px 0 var(--btn-shadow),0 12px 22px -10px rgba(168,44,44,.7);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
@media(hover:hover){.btn:hover{transform:translateY(-2px);box-shadow:0 6px 0 var(--btn-shadow),0 20px 30px -12px rgba(168,44,44,.62)}}
.btn:active{transform:translateY(2px);box-shadow:0 2px 0 var(--btn-shadow)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:14px 24px;border-radius:14px;
  background:#fff;color:var(--ink);font-weight:600;font-size:1rem;text-decoration:none;
  border:1.5px solid var(--line);box-shadow:var(--sh-xs);
  transition:border-color .18s ease,color .18s ease;
}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal-ink)}

/* ---------- hero ---------- */
.hero{padding-top:clamp(28px, 3vw + 14px, 64px);padding-bottom:clamp(30px,3vw,48px);position:relative}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:-120px;height:560px;pointer-events:none;z-index:0;
  background:
    radial-gradient(40% 60% at 18% 55%,rgba(15,158,144,.12),rgba(15,158,144,0) 70%),
    radial-gradient(38% 60% at 82% 40%,rgba(59,63,182,.10),rgba(59,63,182,0) 70%);
}
.hero > .shell{position:relative;z-index:1}
.herowrap{display:grid;gap:30px;align-items:center}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--teal-ink);border:1px solid #C9E7E2;
  font-weight:600;font-size:.78rem;padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.tag i{width:7px;height:7px;border-radius:50%;background:var(--teal);font-style:normal}
.hero h1{margin-bottom:14px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero .lead{margin-bottom:24px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.cta-row > a{flex:1 1 200px}
@media(min-width:600px){.cta-row > a{flex:0 0 auto}}
.hero-note{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:20px;font-size:.84rem;color:var(--muted);list-style:none}
.hero-note li{display:flex;align-items:center;gap:7px}
.hero-note svg{flex:none}

/* two covers fanned, each with its own price sticker */
.shelf{position:relative;width:100%;max-width:460px;margin:0 auto;aspect-ratio:1/.86}
.shelf::before{
  content:"";position:absolute;inset:4% 2%;border-radius:50%;z-index:0;
  background:
    radial-gradient(closest-side at 32% 56%,#CBEEE8 0%,rgba(203,238,232,0) 74%),
    radial-gradient(closest-side at 72% 40%,#DEDCFF 0%,rgba(222,220,255,0) 74%);
}
.shelf a{
  position:absolute;top:50%;width:47%;z-index:1;display:block;
  transition:transform .4s var(--ease);
}
.shelf a img{
  width:100%;border-radius:12px;background:#fff;border:1px solid rgba(20,45,49,.1);
  box-shadow:0 1px 2px rgba(20,45,49,.06),0 18px 34px -14px rgba(20,45,49,.38),0 40px 64px -34px rgba(20,45,49,.42);
}
.shelf .b1{left:7%;transform:translateY(-50%) rotate(-6deg);z-index:2}
.shelf .b2{right:7%;transform:translateY(-46%) rotate(5deg)}
@media(hover:hover){
  .shelf .b1:hover{transform:translateY(-53%) rotate(-6deg) scale(1.03);z-index:3}
  .shelf .b2:hover{transform:translateY(-49%) rotate(5deg) scale(1.03);z-index:3}
}
.sticker{
  position:absolute;right:-10px;top:-12px;z-index:2;
  display:grid;place-items:center;text-align:center;line-height:1.05;
  width:64px;height:64px;border-radius:50%;
  background:var(--btn-2);color:#fff;font-weight:700;font-size:1.02rem;
  box-shadow:0 8px 18px -8px rgba(168,44,44,.8);transform:rotate(10deg);
}
.sticker small{display:block;font-size:.58rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;opacity:.9}
.b2 .sticker{background:var(--indigo);box-shadow:0 8px 18px -8px rgba(36,39,122,.8)}

/* ---------- trust strip ---------- */
.perks{
  list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-xs);margin-top:clamp(26px,3vw,42px);
}
.perks li{background:var(--card);padding:16px 14px;display:flex;gap:11px;align-items:flex-start}
.perks .pi{flex:none;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--teal-soft)}
.perks b{display:block;font-size:.88rem;line-height:1.35}
.perks span{display:block;font-size:.76rem;color:var(--muted);line-height:1.4;margin-top:2px}
@media(min-width:860px){.perks{grid-template-columns:repeat(4,1fr)}.perks li{padding:18px}}

/* ---------- categories ---------- */
.cats{display:grid;gap:16px;margin-top:clamp(22px,2.5vw,30px)}
@media(min-width:760px){.cats{grid-template-columns:1fr 1fr}}
.cat{
  position:relative;overflow:hidden;isolation:isolate;
  display:grid;grid-template-columns:1fr 104px;gap:16px;align-items:end;
  border-radius:var(--r-xl);padding:24px 22px 0;min-height:220px;
  text-decoration:none;color:#fff;
  box-shadow:var(--sh-md);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
@media(hover:hover){.cat:hover{transform:translateY(-4px);box-shadow:var(--sh-lg)}.cat:hover .arrow{transform:translateX(4px)}}
.cat.c-pre{background:linear-gradient(135deg,#13A898 0%,#0B7C71 100%)}
.cat.c-stem{background:linear-gradient(135deg,#4A4FD0 0%,#24277A 100%)}
.cat.c-act{background:linear-gradient(135deg,#2C9BE0 0%,#14588F 100%)}
.cat.c-eng{background:linear-gradient(135deg,#DB5C97 0%,#8E2A5B 100%)}
.cat.c-math{background:linear-gradient(135deg,#F08A3C 0%,#A8440A 100%)}
@media(min-width:760px){.cats>.cat:last-child:nth-child(odd){grid-column:1/-1}}
.cat::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);z-index:-1;
}
.cat .ck{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);padding:4px 10px;border-radius:999px;margin-bottom:12px}
.cat h3{font-size:clamp(1.25rem,1.1rem + .6vw,1.5rem);margin-bottom:8px;color:#fff}
.cat p{font-size:.88rem;color:rgba(255,255,255,.86);line-height:1.55}
.cat .cl{display:flex;align-items:center;gap:8px;margin:16px 0 24px;font-weight:600;font-size:.9rem}
.cat .arrow{transition:transform .25s var(--ease)}
.cat .cimg{align-self:end}
.cat .cimg img{width:104px;border-radius:10px 10px 0 0;box-shadow:0 -6px 26px -8px rgba(0,0,0,.45);transform:translateY(8px) rotate(4deg)}
@media(min-width:960px){.cat{grid-template-columns:1fr 136px;padding:30px 30px 0}.cat .cimg img{width:136px}}

/* ---------- product cards ---------- */
.pgrid{display:grid;gap:18px;margin-top:clamp(22px,2.5vw,30px)}
@media(min-width:640px){.pgrid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.pgrid.three{grid-template-columns:repeat(3,1fr)}}
.pcard{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s ease;
}
@media(hover:hover){.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#CBDEDD}}
.pimg{position:relative;display:block;padding:22px 22px 0;background:var(--pbg,var(--paper-2))}
.pimg img{width:min(220px,62%);margin:0 auto;border-radius:10px 10px 0 0;
  box-shadow:0 -2px 0 rgba(20,45,49,.02),0 18px 30px -16px rgba(20,45,49,.45);
  transition:transform .35s var(--ease)}
@media(hover:hover){.pcard:hover .pimg img{transform:translateY(-6px)}}
.pbadge{
  position:absolute;left:14px;top:14px;
  background:var(--leaf-soft);color:var(--leaf-ink);border:1px solid #C6EAD6;
  font-weight:600;font-size:.74rem;padding:4px 10px;border-radius:999px;
}
.pbody{display:flex;flex-direction:column;flex:1;padding:18px 20px 20px;border-top:1px solid var(--line-2)}
.pcat{display:inline-block;align-self:flex-start;font-size:.72rem;font-weight:600;letter-spacing:.02em;
  color:var(--ct,var(--teal-ink));text-decoration:none;margin-bottom:6px}
.pcat:hover{text-decoration:underline}
.pcard h3{font-size:1.1rem;margin-bottom:6px}
.pcard h3 a{text-decoration:none}
.pcard h3 a:hover{color:var(--teal-ink)}
.pmeta{font-size:.8rem;color:var(--muted);margin-bottom:12px}
.pfeat{list-style:none;display:grid;gap:6px;margin-bottom:16px}
.pfeat li{font-size:.86rem;color:var(--ink-2);padding-left:22px;position:relative;line-height:1.5}
.pfeat li::before{
  content:"";position:absolute;left:0;top:.28em;width:15px;height:15px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3.2 3.2L13 5' stroke='%231F9D5B' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/15px no-repeat;
}
.pfoot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line)}
.pprice{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 10px;margin-bottom:14px}
.pprice b{font-size:1.65rem;letter-spacing:-.03em;line-height:1}
.pprice s{color:var(--muted);font-size:.95rem}
.pprice .off{font-size:.78rem;font-weight:600;color:var(--leaf-ink)}
.pact{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pact a{min-height:46px;padding:11px 12px;font-size:.92rem;border-radius:12px}
.pact .btn{box-shadow:0 3px 0 var(--btn-shadow),0 10px 18px -10px rgba(168,44,44,.7)}

/* ---------- shop filters ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{
  appearance:none;-webkit-appearance:none;font-family:inherit;cursor:pointer;
  background:#fff;border:1.5px solid var(--line);color:var(--ink-2);
  font-weight:600;font-size:.86rem;padding:9px 16px;border-radius:999px;min-height:42px;
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.chip:hover{border-color:var(--teal)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.chip span{font-weight:500;opacity:.7;margin-left:4px}
.catsec{padding:0;margin-top:clamp(34px,4vw,52px)}
.catsec[hidden]{display:none}
.catsec h2{font-size:clamp(1.3rem,1.1rem + .9vw,1.7rem)}
.catsec .lead{margin-top:6px;font-size:.98rem}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;font-size:.8rem;color:var(--muted);margin-bottom:12px}
.crumb a{color:var(--teal-ink);text-decoration:none;font-weight:500}
.crumb a:hover{text-decoration:underline}
.soon{
  display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:8px;
  border:1.5px dashed #C4DAD8;border-radius:var(--r-lg);padding:26px 22px;background:rgba(255,255,255,.55);
}
.soon h3{font-size:1rem}
.soon p{font-size:.88rem;color:var(--muted)}
.soon a{font-weight:600;color:var(--teal-ink);font-size:.9rem}

/* ---------- shop page: grid view ---------- */
.shop-top{
  padding:clamp(24px,3vw,40px) 0 clamp(18px,2vw,26px);
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line-2);
}
.shop-top h1{font-size:clamp(1.7rem,1.3rem + 1.6vw,2.5rem)}
.shop-top .lead{margin-top:6px}
.shop-main{padding-top:clamp(18px,2vw,26px)}
.chips{margin-top:0}
.chip i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:7px;vertical-align:1px}
.chip[aria-pressed="true"] i{box-shadow:0 0 0 2px #fff}

.catinfo{
  margin-top:16px;border-radius:var(--radius);padding:14px 18px;color:#fff;
  display:flex;flex-wrap:wrap;gap:2px 12px;align-items:baseline;
}
.catinfo[hidden]{display:none}
.catinfo b{font-size:1rem}
.catinfo span{font-size:.86rem;color:rgba(255,255,255,.88)}
.catinfo.c-pre{background:linear-gradient(135deg,#13A898 0%,#0B7C71 100%)}
.catinfo.c-stem{background:linear-gradient(135deg,#4A4FD0 0%,#24277A 100%)}
.catinfo.c-act{background:linear-gradient(135deg,#2C9BE0 0%,#14588F 100%)}
.catinfo.c-eng{background:linear-gradient(135deg,#DB5C97 0%,#8E2A5B 100%)}
.catinfo.c-math{background:linear-gradient(135deg,#F08A3C 0%,#A8440A 100%)}

.toolbar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;
  margin:18px 0 16px;padding:10px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.count{font-size:.88rem;color:var(--muted)}
.count b{color:var(--ink)}
.sort{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--muted);font-weight:500}
.sort select{
  font:inherit;font-size:.86rem;font-weight:600;color:var(--ink);
  padding:8px 34px 8px 12px;min-height:40px;border:1.5px solid var(--line);border-radius:10px;cursor:pointer;
  -webkit-appearance:none;appearance:none;
  background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.6 4.6 6 8l3.4-3.4' fill='none' stroke='%235D6A6F' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 12px center/12px no-repeat;
}
.sort select:focus{outline:none;border-color:var(--teal)}

.spgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(min-width:760px){.spgrid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}}
@media(min-width:1100px){.spgrid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.sp[hidden]{display:none}
.sp{
  display:flex;flex-direction:column;min-width:0;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s ease;
}
@media(hover:hover){.sp:not(.sp-soon):hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#CBDEDD}}
.sp-img{
  position:relative;display:grid;place-items:end center;aspect-ratio:1/1;
  padding:14% 14% 0;background:var(--pbg,var(--paper-2));overflow:hidden;
}
.sp-img img{
  width:100%;max-width:200px;border-radius:8px 8px 0 0;
  box-shadow:0 16px 28px -14px rgba(20,45,49,.5);
  transition:transform .35s var(--ease);
}
@media(hover:hover){.sp:hover .sp-img img{transform:translateY(-6px) scale(1.02)}}
.sp-off{
  position:absolute;left:10px;top:10px;
  background:#CE3434;color:#fff;font-weight:700;font-size:.72rem;
  padding:3px 8px;border-radius:7px;letter-spacing:.01em;
}
.sp-body{display:flex;flex-direction:column;flex:1;padding:12px 12px 14px;border-top:1px solid var(--line-2)}
.sp-cat{align-self:flex-start;font-size:.68rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;
  color:var(--ct,var(--teal-ink));text-decoration:none;margin-bottom:4px;line-height:1.4}
.sp-cat:hover{text-decoration:underline}
.sp h3{font-size:.92rem;line-height:1.35;letter-spacing:-.01em;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.7em}
.sp h3 a{text-decoration:none}
.sp h3 a:hover{color:var(--teal-ink)}
.sp-tags{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:10px}
.sp-tags span{font-size:.68rem;font-weight:500;color:var(--ink-2);background:var(--paper-2);border:1px solid var(--line-2);
  padding:2px 7px;border-radius:6px;white-space:nowrap}
.sp-price{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px;margin-top:auto;margin-bottom:10px}
.sp-price b{font-size:1.3rem;letter-spacing:-.03em;line-height:1.1}
.sp-price s{font-size:.82rem;color:var(--muted)}
.sp-act{display:grid;gap:8px}
.sp-act a{
  display:flex;align-items:center;justify-content:center;min-height:42px;padding:8px 10px;
  border-radius:10px;font-weight:600;font-size:.86rem;text-decoration:none;text-align:center;line-height:1.2;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.sp-cart{border:1.5px solid var(--line);background:#fff;color:var(--ink)}
.sp-cart:hover{border-color:var(--teal);color:var(--teal-ink)}
.sp-buy{background:linear-gradient(180deg,var(--btn-1) 0%,var(--btn-3) 100%);color:#fff;box-shadow:0 2px 0 var(--btn-shadow)}
.sp-buy:hover{filter:brightness(1.05)}
@media(min-width:560px){
  .sp-body{padding:16px 16px 18px}
  .sp h3{font-size:1rem}
  .sp-tags span{font-size:.72rem}
  .sp-price b{font-size:1.45rem}
  .sp-act{grid-template-columns:1fr 1fr}
}

@media(max-width:559px){
  .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
    margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1);
    padding:0 var(--gutter)}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex:none}
  .toolbar{flex-wrap:nowrap}
  .sort-l{display:none}
  .sp h3{-webkit-line-clamp:3;min-height:0}
}

.sp-soon{
  justify-content:center;align-items:flex-start;gap:6px;padding:20px 16px;
  border:1.5px dashed #C4DAD8;background:rgba(255,255,255,.55);box-shadow:none;
}
.sp-soon-ico{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:var(--teal-soft);color:var(--teal-ink);font-size:1.4rem;font-weight:600;margin-bottom:6px}
.sp-soon h3{display:block;-webkit-line-clamp:unset;min-height:0;margin-bottom:0}
.sp-soon p{font-size:.84rem;color:var(--muted)}
.sp-soon a{font-weight:600;color:var(--teal-ink);font-size:.88rem}

/* ---------- shop by age ---------- */
.ages{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:clamp(22px,2.5vw,30px)}
@media(min-width:860px){.ages{grid-template-columns:repeat(4,1fr)}}
.age{
  display:block;text-decoration:none;color:inherit;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;box-shadow:var(--sh-xs);border-top:4px solid var(--c);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
@media(hover:hover){.age:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}}
.age b{display:block;font-size:1.3rem;letter-spacing:-.02em;line-height:1.2;color:var(--ct)}
.age span{display:block;font-size:.82rem;font-weight:600;margin-top:2px}
.age small{display:block;font-size:.78rem;color:var(--muted);margin-top:8px;line-height:1.45}

/* ---------- steps ---------- */
.tinted{
  background:linear-gradient(180deg,var(--paper-2) 0%,var(--paper) 100%);
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
}
.steps{counter-reset:s;display:grid;gap:14px;margin-top:clamp(22px,2.5vw,30px)}
@media(min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--sh-xs)}
.step::before{
  counter-increment:s;content:counter(s);
  display:grid;place-items:center;width:34px;height:34px;border-radius:11px;margin-bottom:13px;
  background:linear-gradient(180deg,#16AA9B 0%,var(--teal-dark) 100%);
  color:#fff;font-weight:700;font-size:.95rem;box-shadow:0 6px 14px -7px rgba(11,124,113,.9);
}
.step p{font-size:.9rem;color:var(--muted);margin-top:4px}

/* ---------- free resources ---------- */
.res{display:grid;gap:16px;margin-top:clamp(22px,2.5vw,30px)}
@media(min-width:760px){.res{grid-template-columns:1fr 1fr}}
.rcard{
  display:flex;gap:16px;align-items:flex-start;text-decoration:none;color:inherit;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s ease;
}
@media(hover:hover){.rcard:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#C5E2DD}}
.rcard .ri{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--cs)}
.rcard h3{margin-bottom:4px}
.rcard p{font-size:.88rem;color:var(--muted)}
.rcard .go{display:inline-block;margin-top:10px;font-weight:600;font-size:.88rem;color:var(--teal-ink)}

/* ---------- faq ---------- */
.faq{margin-top:clamp(20px,2.5vw,28px);max-width:820px}
details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:10px;overflow:hidden;box-shadow:var(--sh-xs);
}
details[open]{border-color:#C5E2DD;box-shadow:var(--sh-sm)}
summary{
  display:flex;align-items:flex-start;gap:14px;padding:16px 18px;
  font-weight:600;font-size:.95rem;line-height:1.5;cursor:pointer;list-style:none;
}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--teal-ink)}
summary::after{
  content:"";flex:none;margin-left:auto;margin-top:1px;width:26px;height:26px;border-radius:50%;
  background:var(--teal-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.6 4.6 6 8l3.4-3.4' fill='none' stroke='%230B7C71' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px 12px no-repeat;
  transition:transform .25s var(--ease);
}
details[open] summary::after{transform:rotate(180deg)}
details p{padding:0 18px 18px;font-size:.9rem;color:var(--muted);line-height:1.62;max-width:68ch}
details p a{color:var(--teal-ink);font-weight:500}

/* ---------- footer ---------- */
footer{
  background:linear-gradient(180deg,#153338 0%,var(--night) 100%);
  color:#C9D8D8;padding:clamp(40px,4vw,56px) 0 30px;margin-top:24px;
}
.fgrid{display:grid;gap:28px}
@media(min-width:760px){.fgrid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
footer .about p{font-size:.86rem;color:#93A8A8;margin-top:14px;max-width:40ch}
footer h4{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:#fff;margin-bottom:12px}
footer ul{list-style:none;display:grid;gap:4px}
footer ul a{color:#C9D8D8;text-decoration:none;font-size:.88rem;display:inline-block;padding:4px 0}
footer ul a:hover{color:#fff;text-decoration:underline}
.copy{margin-top:30px;padding-top:20px;border-top:1px solid #24393C;font-size:.78rem;color:#93A8A8}

/* ---------- a11y ---------- */
:focus-visible{outline:3px solid #7B5CD6;outline-offset:2px;border-radius:6px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* ---------- desktop ---------- */
@media(min-width:900px){
  .herowrap{grid-template-columns:1.02fr .98fr;gap:clamp(34px,4vw,64px)}
  .shelf{max-width:520px}
}
@media(min-width:1280px){:root{--shell:1180px}}