/* ===== Robothink Math — Shared Styles ===== */
:root{
  --pink:#EE5586;
  --pink-dark:#D8386C;
  --teal:#1CADA8;
  --blue:#4FC3E8;
  --yellow:#FFC93C;
  --orange:#F58634;
  --purple:#8B5FBF;
  --navy:#2B2B3C;
  --navy-soft:#5B5B6E;
  --bg:#FDFBF7;
  --card:#FFFFFF;
  --line:#EFEAE2;
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(43,43,60,0.08);
  --shadow-hover:0 16px 40px rgba(43,43,60,0.14);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Nunito',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--navy);
  background:var(--bg);
  line-height:1.6;
}
h1,h2,h3,h4,.display{
  font-family:'Baloo 2','Nunito',sans-serif;
  font-weight:700;
  margin:0;
  line-height:1.25;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:none;}
ul{list-style:none;margin:0;padding:0;}

.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:800;font-size:15px;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--pink);color:#fff;box-shadow:0 8px 20px rgba(238,85,134,.35);}
.btn-primary:hover{background:var(--pink-dark);}
.btn-outline{background:#fff;color:var(--navy);border:2px solid var(--line);}
.btn-outline:hover{border-color:var(--pink);color:var(--pink);}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(28,173,168,.3);}
.btn-teal:hover{background:#178f8b;}
.btn-sm{padding:10px 18px;font-size:13px;}
.btn-block{width:100%;}
.btn-ghost{background:#F3F1EC;color:var(--navy);}
.btn-ghost:hover{background:#e9e6dd;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(253,251,247,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1180px;margin:0 auto;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-badge{width:44px;height:44px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.logo-badge img{width:100%;height:100%;object-fit:contain;}

/* ---- Bubble wordmark lockup ---- */
.logo-lockup{display:flex;flex-direction:column;justify-content:center;}
.logo-line-sm{display:flex;gap:1px;font-family:'Baloo 2',sans-serif;font-weight:800;font-size:11px;letter-spacing:.02em;line-height:1;margin-bottom:1px;}
.logo-line-sm span:nth-child(1){color:var(--pink);}
.logo-line-sm span:nth-child(2){color:var(--orange);}
.logo-line-sm span:nth-child(3){color:var(--yellow);}
.logo-line-sm span:nth-child(4){color:var(--navy);}
.logo-line-sm span:nth-child(5){color:var(--teal);}
.logo-line-sm span:nth-child(6){color:var(--blue);}
.logo-line-sm span:nth-child(7){color:var(--pink);}
.logo-line-sm span:nth-child(8){color:var(--navy);}
.logo-line-sm span:nth-child(9){color:var(--orange);}
.logo-line-lg{display:flex;line-height:1;}
.bubble-letter{
  font-family:'Baloo 2',sans-serif;font-weight:800;font-size:25px;
  display:inline-block;
  -webkit-text-stroke:3px #fff;paint-order:stroke fill;
  filter:drop-shadow(0 2px 0 rgba(43,43,60,.18));
  margin-right:-1px;
}
.logo-sub{font-size:9.5px;letter-spacing:.1em;color:var(--navy-soft);font-weight:700;margin-top:1px;}

/* ---- Language toggle ---- */
.lang-toggle{display:flex;align-items:center;background:#F3F1EC;border-radius:999px;padding:3px;gap:2px;}
.lang-btn{padding:6px 12px;border-radius:999px;font-size:12.5px;font-weight:800;color:var(--navy-soft);background:transparent;}
.lang-btn.active{background:var(--navy);color:#fff;}

/* ---- Mascot bot icon (sprite use, for small repeating badges) ---- */
.bot-icon{width:100%;height:100%;display:block;}
.bot-icon .b-body{fill:currentColor;}
.bot-icon .b-face{fill:#fff;}
.bot-icon .b-eye{fill:var(--navy);}
.bot-badge{width:100%;height:100%;}

/* ---- Real RoboThink character placements (always fully visible, never cropped) ---- */
.char-row{display:flex;align-items:center;gap:32px;}
.char-row .section-head{text-align:left;margin:0;max-width:none;flex:1;}
.char-img{max-width:100%;height:auto;display:block;flex-shrink:0;}
.char-img-sm{width:100px;height:100px;object-fit:contain;flex-shrink:0;}
.crew-wrap{display:flex;justify-content:center;padding:10px 0;}
.crew-wrap img{width:100%;max-width:620px;height:auto;}

/* ---------- 3D character accents ---------- */
.crew-3d-grid{display:flex;justify-content:center;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-top:30px;}
.crew-3d-card{width:108px;height:108px;object-fit:contain;filter:drop-shadow(0 10px 14px rgba(43,43,60,.14));}

.peek-accent-wrap{text-align:center;margin-bottom:-22px;position:relative;z-index:2;pointer-events:none;}
.peek-accent{width:92px;height:auto;margin:0 auto;filter:drop-shadow(0 8px 10px rgba(43,43,60,.18));}
.hide-narrow{}
@media (max-width:900px){
  .char-row{flex-direction:column;align-items:flex-start;}
  .char-row .section-head{text-align:center;}
  .hide-narrow{display:none;}
}

.main-nav{display:flex;gap:30px;}
.main-nav a{font-weight:700;font-size:15px;color:var(--navy-soft);padding:6px 2px;border-bottom:2px solid transparent;}
.main-nav a:hover,.main-nav a.active{color:var(--navy);border-color:var(--pink);}

.header-actions{display:flex;align-items:center;gap:16px;}
.icon-btn{position:relative;width:40px;height:40px;border-radius:50%;background:#F3F1EC;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.cart-count{position:absolute;top:-4px;right:-4px;background:var(--pink);color:#fff;font-size:10px;font-weight:800;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;}

/* ---- Mobile hamburger menu (nav collapses under 1000px; button opens a dropdown) ---- */
.nav-toggle{
  display:none;width:40px;height:40px;flex-shrink:0;border-radius:50%;background:#F3F1EC;
  align-items:center;justify-content:center;font-size:18px;line-height:1;color:var(--navy);
}
.nav-toggle:hover{background:#e9e6dd;}

.auth-indicator{display:flex;align-items:center;gap:10px;font-size:12.5px;font-weight:800;}
.auth-indicator-email{color:var(--navy-soft);max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;}
.auth-indicator-email:hover{color:var(--pink);text-decoration:underline;}
.auth-indicator .link-muted{background:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(circle at 15% 20%, rgba(79,195,232,.18), transparent 45%),
             radial-gradient(circle at 85% 15%, rgba(255,201,60,.22), transparent 40%),
             radial-gradient(circle at 75% 85%, rgba(238,85,134,.15), transparent 45%);
  padding:72px 0 60px;
}
.hero-dots{
  position:absolute;inset:0;
  background-image:radial-gradient(var(--line) 1.6px, transparent 1.6px);
  background-size:22px 22px;
  opacity:.6;mask-image:linear-gradient(to bottom, black, transparent 85%);
  pointer-events:none;
}
.hero-inner{position:relative;display:flex;align-items:center;gap:48px;}
.hero-copy{flex:1;min-width:320px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:7px 16px;border-radius:999px;font-weight:800;font-size:13px;color:var(--pink);box-shadow:var(--shadow);margin-bottom:20px;}
.hero-copy h1{font-size:44px;color:var(--navy);}
.hero-copy h1 .hl-pink{color:var(--pink);}
.hero-copy h1 .hl-teal{color:var(--teal);}
.hero-copy p{font-size:17px;color:var(--navy-soft);margin:20px 0 30px;max-width:480px;}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;}
.hero-visual{flex:1;min-width:280px;display:flex;justify-content:center;position:relative;}

.trust-row{display:flex;gap:32px;margin-top:44px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy-soft);font-size:14px;}
.trust-item span.num{font-family:'Baloo 2';font-size:22px;color:var(--navy);}

/* ---------- Section generic ---------- */
.section{padding:70px 0;}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px;}
.section-tag{display:inline-block;color:var(--teal);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px;}
.section-head h2{font-size:32px;}
.section-head p{color:var(--navy-soft);margin-top:12px;font-size:16px;}

/* ---------- Feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:26px 22px;box-shadow:var(--shadow);transition:transform .15s, box-shadow .15s;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-icon{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-size:24px;}
.feature-card h3{font-size:17px;margin-bottom:8px;}
.feature-card p{font-size:14px;color:var(--navy-soft);margin:0;}
.bg-pink{background:rgba(238,85,134,.14);}
.bg-teal{background:rgba(28,173,168,.14);}
.bg-blue{background:rgba(79,195,232,.18);}
.bg-yellow{background:rgba(255,201,60,.25);}

/* ---------- Curriculum grid (home teaser + full page) ---------- */
.curriculum-band{background:var(--navy);border-radius:var(--radius-lg);padding:50px 40px;position:relative;overflow:hidden;}
.curriculum-band .section-head h2,.curriculum-band .section-tag{color:#fff;}
.curriculum-band .section-head p{color:#B9B9CB;}

.level-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.level-card{
  background:#fff;border-radius:var(--radius-md);padding:22px 18px;text-align:center;
  box-shadow:var(--shadow);transition:transform .15s, box-shadow .15s;position:relative;
}
.level-card:hover{transform:translateY(-6px) rotate(-1deg);box-shadow:var(--shadow-hover);}
.level-badge{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-family:'Baloo 2';font-weight:700;font-size:18px;color:#fff;overflow:hidden;}
.level-badge-face{width:100%;height:100%;object-fit:cover;object-position:center 35%;}
.level-card h4{font-size:16px;margin-bottom:4px;}
.level-card .age{font-size:12px;color:var(--navy-soft);font-weight:700;}
.level-card .cnt{margin-top:10px;font-size:12px;color:var(--teal);font-weight:800;}

/* level tabs (curriculum page) */
.level-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:36px;}
.level-tab{padding:10px 20px;border-radius:999px;background:#fff;border:2px solid var(--line);font-weight:800;font-size:14px;color:var(--navy-soft);}
.level-tab .age-sub{display:block;font-size:10.5px;font-weight:700;color:#9c9caa;}
.level-tab.active{background:var(--navy);border-color:var(--navy);color:#fff;}
.level-tab.active .age-sub{color:#c9c9dc;}
.level-tab:hover{border-color:var(--pink);}

/* ---------- Level detail panel (curriculum page) ---------- */
.lvl-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;background:#F8F6F1;border-radius:var(--radius-md);padding:24px 26px;}
.lvl-stats{display:flex;gap:22px;flex-wrap:wrap;}
.lvl-stat{text-align:center;min-width:64px;}
.lvl-stat b{display:block;font-family:'Baloo 2';font-size:19px;color:var(--navy);}
.lvl-stat span{display:block;font-size:11px;color:var(--navy-soft);font-weight:700;margin-top:2px;white-space:nowrap;}
.lvl-pace{background:rgba(28,173,168,.1);border:1px solid rgba(28,173,168,.25);border-radius:var(--radius-sm);padding:12px 16px;font-size:13.5px;font-weight:700;color:var(--navy);margin:16px 0 0;}

/* ---------- Product grid ---------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);transition:transform .15s, box-shadow .15s;display:flex;flex-direction:column;}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.product-thumb{aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;position:relative;color:#fff;font-family:'Baloo 2';}
.product-thumb .thumb-badge-row{display:flex;align-items:center;gap:8px;}
.product-thumb .thumb-level{font-size:34px;font-weight:700;}
.product-thumb .thumb-sub{font-size:12px;font-weight:800;background:rgba(255,255,255,.25);padding:4px 10px;border-radius:999px;}
.product-thumb .best-tag{position:absolute;top:10px;left:10px;background:#fff;color:var(--pink);font-size:11px;font-weight:900;padding:4px 10px;border-radius:999px;}
.thumb-preview-btn{background:rgba(255,255,255,.95);color:var(--navy);font-weight:800;font-size:12px;padding:9px 16px;border-radius:999px;border:none;cursor:pointer;box-shadow:0 6px 16px rgba(0,0,0,.22);transition:transform .15s,background .15s;}
.thumb-preview-btn:hover{background:#fff;transform:translateY(-2px);}
.product-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.product-body .pname{font-size:14.5px;font-weight:800;}
.product-body .pmeta{font-size:12px;color:var(--navy-soft);}
.product-body .pprice{font-size:16px;font-weight:900;color:var(--navy);margin-top:2px;}
.product-body .pprice .off{color:var(--pink);margin-right:6px;}
.product-body .pprice .orig{font-size:12px;color:#B3B3BD;text-decoration:line-through;font-weight:700;margin-left:6px;}
.real-sample-tag{font-size:10.5px;font-weight:800;color:var(--teal);margin-top:6px;}
.view-details-link{font-size:11.5px;font-weight:800;color:var(--teal);text-decoration:underline;}
.select-row{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--navy-soft);cursor:pointer;user-select:none;margin-top:2px;}
.select-row input{width:15px;height:15px;accent-color:var(--pink);cursor:pointer;}
.product-actions{display:flex;gap:8px;margin-top:auto;padding-top:8px;}
.product-actions .btn{flex:1;padding:10px 8px;font-size:12.5px;}

/* ---------- Multi-select bulk action toolbar (curriculum page) ---------- */
.selection-toolbar{display:none;align-items:center;justify-content:space-between;gap:14px;background:#fff;border:2px solid var(--pink);border-radius:var(--radius-sm);padding:12px 18px;margin:16px 0;flex-wrap:wrap;}
.selection-toolbar.show{display:flex;}
.selection-toolbar .st-count{font-weight:800;font-size:13.5px;color:var(--navy);}
.selection-toolbar .st-actions{display:flex;gap:10px;}
.selection-toolbar .btn{padding:9px 16px;font-size:12.5px;}

/* ---------- FAQ accordion ---------- */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:2px 22px;}
.faq-item summary{cursor:pointer;list-style:none;font-weight:800;font-size:15px;padding:17px 0;position:relative;padding-right:30px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+';position:absolute;right:0;top:14px;font-size:22px;font-weight:900;color:var(--pink);transition:transform .2s;line-height:1;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:0;padding:0 0 18px;color:var(--navy-soft);font-size:13.5px;line-height:1.65;}

/* ---------- Cart page ---------- */
.cart-row{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);}
.cart-row:last-child{border-bottom:none;}
.cart-row .cr-info{flex:1;}
.cart-row .cr-name{font-weight:800;font-size:14.5px;}
.cart-row .cr-meta{font-size:12px;color:var(--navy-soft);margin-top:2px;}
.cart-row .cr-price{font-weight:900;font-size:14.5px;white-space:nowrap;min-width:70px;text-align:right;}
.cart-row .cr-remove{background:none;border:none;color:#B3B3BD;font-size:20px;line-height:1;cursor:pointer;padding:4px 6px;}
.cart-row .cr-remove:hover{color:var(--pink);}
.cart-empty{text-align:center;padding:60px 20px;color:var(--navy-soft);}
.cart-empty img{width:110px;margin-bottom:14px;}

/* ---------- How it works ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:30px 22px 24px;box-shadow:var(--shadow);}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-family:'Baloo 2';display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:16px;}
.step-card h3{font-size:16px;margin-bottom:8px;}
.step-card p{font-size:13.5px;color:var(--navy-soft);margin:0;}
.step-arrow{position:absolute;right:-26px;top:34px;color:var(--line);font-size:22px;}

/* ---------- Testimonials ---------- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.testi-card{background:#fff;border-radius:var(--radius-md);padding:24px;border:1px solid var(--line);box-shadow:var(--shadow);}
.testi-stars{color:var(--yellow);letter-spacing:2px;margin-bottom:10px;}
.testi-card p{font-size:14px;color:var(--navy);margin:0 0 14px;}
.testi-user{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;color:var(--navy-soft);}
.testi-avatar{width:34px;height:34px;border-radius:50%;}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--pink),var(--orange));border-radius:var(--radius-lg);padding:50px 44px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;color:#fff;}
.cta-band h2{font-size:28px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.9);margin-top:8px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy);color:#C9C9DC;padding:56px 0 28px;margin-top:40px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-grid h5{color:#fff;font-size:14px;margin-bottom:14px;}
.footer-grid a,.footer-grid p{font-size:13.5px;color:#B9B9CB;line-height:2;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{border-top:1px solid #3B3B4E;margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:12.5px;color:#8C8CA0;}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:13px;color:var(--navy-soft);padding:20px 0 0;}
.crumb a:hover{color:var(--pink);}

/* ---------- Product detail ---------- */
.pd-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:32px 0 10px;}
.pd-gallery-main{aspect-ratio:3/4;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Baloo 2';position:relative;box-shadow:var(--shadow);}
.pd-gallery-main .g-level{font-size:64px;font-weight:700;}
.pd-gallery-main .g-sub{margin-top:10px;font-weight:800;background:rgba(255,255,255,.25);padding:6px 16px;border-radius:999px;font-size:13px;}
.preview-btn{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);background:#fff;color:var(--navy);font-weight:800;padding:12px 22px;border-radius:999px;box-shadow:0 10px 24px rgba(0,0,0,.18);display:flex;align-items:center;gap:8px;font-size:14px;}
.pd-thumbs{display:flex;gap:10px;margin-top:14px;}
.pd-thumbs div{width:60px;height:78px;border-radius:10px;background:#F3F1EC;border:2px solid var(--line);}

.pd-title-row .level-pill{display:inline-block;background:var(--teal);color:#fff;font-weight:800;font-size:12px;padding:5px 14px;border-radius:999px;margin-bottom:12px;}
.pd-title-row h1{font-size:28px;}
.pd-title-row .age-line{color:var(--navy-soft);font-size:14px;margin-top:8px;font-weight:700;}
.pd-price{margin:22px 0;padding:20px;background:#F8F6F1;border-radius:var(--radius-md);}
.pd-price .cur{font-size:26px;font-weight:900;}
.pd-price .disc{color:var(--pink);font-weight:900;margin-right:8px;}
.pd-price .orig{color:#B3B3BD;text-decoration:line-through;font-size:14px;margin-left:8px;}
.pd-price .mileage{font-size:12.5px;color:var(--navy-soft);margin-top:6px;}

.delivery-choice{margin:22px 0;}
.delivery-choice h4{font-size:14px;margin-bottom:10px;}
.dchoice-opts{display:flex;gap:12px;}
.dchoice{flex:1;border:2px solid var(--line);border-radius:var(--radius-sm);padding:14px;text-align:center;cursor:pointer;}
.dchoice.selected{border-color:var(--pink);background:rgba(238,85,134,.06);}
.dchoice .d-icon{font-size:22px;margin-bottom:6px;}
.dchoice .d-title{font-weight:800;font-size:13.5px;}
.dchoice .d-sub{font-size:11.5px;color:var(--navy-soft);margin-top:2px;}
.tbd-note{font-size:11.5px;color:#B08B00;background:#FFF6DC;border:1px solid #FCE9AE;border-radius:8px;padding:8px 12px;margin-top:10px;}

.pd-qty-row{display:flex;align-items:center;gap:16px;margin:20px 0;}
.qty-box{display:flex;align-items:center;border:2px solid var(--line);border-radius:999px;overflow:hidden;}
.qty-box button{width:36px;height:36px;background:#fff;font-size:16px;font-weight:900;}
.qty-box input{width:44px;text-align:center;border:none;font-weight:800;font-size:15px;}
.pd-actions{display:flex;gap:12px;}
.pd-actions .btn{flex:1;padding:16px;}

.pd-tabs{display:flex;gap:6px;border-bottom:2px solid var(--line);margin-top:56px;}
.pd-tab{padding:14px 22px;font-weight:800;font-size:14px;color:var(--navy-soft);border-bottom:3px solid transparent;margin-bottom:-2px;}
.pd-tab.active{color:var(--navy);border-color:var(--pink);}
.pd-tabpanel{padding:30px 4px;color:var(--navy-soft);font-size:14.5px;line-height:1.9;}
.pd-tabpanel ul{padding-left:18px;list-style:disc;}

/* ---------- Modal (sample preview) ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(43,43,60,.6);display:none;align-items:center;justify-content:center;z-index:100;padding:24px;}
.modal-overlay.open{display:flex;}
.modal-box{background:#fff;border-radius:var(--radius-lg);max-width:560px;width:100%;padding:0;overflow:hidden;box-shadow:0 30px 60px rgba(0,0,0,.3);}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line);}
.modal-head h3{font-size:16px;}
.modal-close{width:32px;height:32px;border-radius:50%;background:#F3F1EC;font-size:16px;}
.modal-body{padding:0;background:var(--navy);display:flex;align-items:center;justify-content:center;min-height:400px;position:relative;}
.sample-page{width:78%;aspect-ratio:3/4;background:#fff;border-radius:10px;box-shadow:0 20px 40px rgba(0,0,0,.4);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden;}
.sample-watermark{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;transform:rotate(-22deg);font-size:34px;font-weight:900;color:rgba(238,85,134,.18);letter-spacing:.1em;pointer-events:none;z-index:2;}
.sample-page .sp-inner{color:var(--navy-soft);text-align:center;padding:20px;}
.sample-page .preview-img{width:100%;height:100%;object-fit:contain;background:#fff;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;}
.modal-foot{padding:16px 22px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-top:1px solid var(--line);}
.modal-foot .pg-ctl{display:flex;gap:8px;align-items:center;font-size:13px;font-weight:800;color:var(--navy-soft);}
.modal-foot .pg-ctl button{width:30px;height:30px;border-radius:50%;background:#F3F1EC;}
.lock-note{font-size:11.5px;color:var(--navy-soft);display:flex;align-items:center;gap:6px;}

/* ---------- Auth (Login / Sign Up) ---------- */
.auth-wrap{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);margin:28px 0 64px;background:#fff;}
.auth-card{padding:52px 48px;display:flex;flex-direction:column;justify-content:center;}
.auth-title{font-size:27px;margin-bottom:6px;}
.auth-sub{color:var(--navy-soft);font-size:14px;margin-bottom:28px;}

.auth-visual{background:linear-gradient(135deg,var(--pink),var(--orange));color:#fff;padding:52px 44px;display:flex;flex-direction:column;justify-content:center;gap:26px;position:relative;overflow:hidden;}
.auth-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 90%, rgba(255,255,255,.18), transparent 45%);pointer-events:none;}
.auth-visual-head{display:flex;align-items:center;gap:14px;margin-bottom:4px;}
.auth-visual-head img{width:52px;height:52px;}
.auth-visual h3{font-size:21px;color:#fff;margin:0;}
.auth-benefit{display:flex;gap:14px;align-items:flex-start;position:relative;}
.auth-benefit .ic{width:42px;height:42px;border-radius:13px;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.auth-benefit b{display:block;font-size:14.5px;color:#fff;}
.auth-benefit p{margin:3px 0 0;font-size:12.5px;color:rgba(255,255,255,.88);line-height:1.6;}

.social-btns{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.social-btn{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px;border-radius:999px;border:2px solid var(--line);font-weight:800;font-size:14px;background:#fff;color:var(--navy);}
.social-btn:hover{border-color:var(--navy);}
.social-btn .ic{width:18px;height:18px;flex-shrink:0;}

.auth-divider{display:flex;align-items:center;gap:12px;color:var(--navy-soft);font-size:11.5px;font-weight:800;letter-spacing:.04em;margin:2px 0 22px;}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line);}

.form-group{margin-bottom:16px;}
.form-label{display:block;font-size:13px;font-weight:800;color:var(--navy);margin-bottom:6px;}
.form-input{width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:2px solid var(--line);font-family:inherit;font-size:14.5px;background:#fff;color:var(--navy);}
.form-input:focus{outline:none;border-color:var(--pink);}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-hint{font-size:11.5px;color:var(--navy-soft);margin-top:6px;}

.password-field{position:relative;}
.password-field .form-input{padding-right:46px;}
.password-toggle{position:absolute;right:6px;top:6px;bottom:6px;width:34px;background:none;font-size:16px;color:var(--navy-soft);border-radius:8px;}
.password-toggle:hover{background:#F3F1EC;}

.form-check-row{display:flex;align-items:center;justify-content:space-between;margin:0 0 22px;font-size:13px;flex-wrap:wrap;gap:8px;}
.check-label{display:flex;align-items:center;gap:8px;color:var(--navy-soft);font-weight:700;cursor:pointer;}
.check-label input{width:16px;height:16px;accent-color:var(--pink);}
.link-muted{color:var(--navy-soft);font-weight:800;}
.link-muted:hover{color:var(--pink);}

.terms-block{display:flex;flex-direction:column;gap:11px;margin:8px 0 24px;}
.terms-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--navy-soft);}
.terms-row input{width:16px;height:16px;margin-top:2px;accent-color:var(--pink);flex-shrink:0;}
.terms-row a{color:var(--navy);font-weight:800;}
.terms-row .req-tag{color:var(--pink);font-weight:900;margin-right:2px;}
.terms-row .opt-tag{color:var(--navy-soft);font-weight:900;margin-right:2px;}

.auth-foot{text-align:center;margin-top:24px;font-size:13.5px;color:var(--navy-soft);}
.auth-foot a{color:var(--pink);font-weight:800;}

.card-optional-note{display:flex;gap:10px;align-items:flex-start;background:#F3F9F8;border:1px solid rgba(28,173,168,.3);border-radius:var(--radius-sm);padding:12px 14px;font-size:12.5px;color:var(--navy-soft);margin:4px 0 22px;}

/* forgot-password modal steps */
.fp-step{display:none;}
.fp-step.active{display:block;}

@media (max-width:900px){
  .auth-wrap{grid-template-columns:1fr;}
  .auth-visual{order:-1;padding:36px 30px;}
  .auth-card{padding:36px 26px;}
  .form-row-2{grid-template-columns:1fr;}
}

/* ---------- Legal documents (Terms / Privacy) ---------- */
.legal-banner{display:flex;gap:12px;align-items:flex-start;background:#FFF6DC;border:1px solid #FCE9AE;border-radius:var(--radius-md);padding:16px 20px;margin:28px 0 8px;font-size:13.5px;color:#7A5B00;line-height:1.7;}
.legal-banner .ic{font-size:20px;flex-shrink:0;}
.legal-doc{max-width:760px;margin:0 auto;padding:20px 0 70px;color:var(--navy);}
.legal-doc h1{font-size:30px;margin-bottom:10px;}
.legal-doc .legal-updated{color:var(--navy-soft);font-size:13px;font-weight:700;margin-bottom:36px;}
.legal-doc h2{font-size:19px;margin:36px 0 12px;color:var(--navy);}
.legal-doc h3{font-size:15.5px;margin:20px 0 8px;color:var(--navy);}
.legal-doc p{font-size:14.5px;color:var(--navy-soft);margin:0 0 14px;line-height:1.85;}
.legal-doc ul{list-style:disc;padding-left:22px;margin:0 0 14px;}
.legal-doc li{font-size:14.5px;color:var(--navy-soft);margin-bottom:8px;line-height:1.75;}
.legal-doc strong{color:var(--navy);}
.legal-toc{background:#F8F6F1;border-radius:var(--radius-md);padding:20px 24px;margin:28px 0 40px;}
.legal-toc h4{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--navy-soft);margin-bottom:10px;}
.legal-toc ol{padding-left:20px;margin:0;}
.legal-toc li{font-size:13.5px;margin-bottom:6px;}
.legal-toc a{color:var(--navy);font-weight:700;}
.legal-toc a:hover{color:var(--pink);}

/* ---------- Checkout ---------- */
.checkout-wrap{display:grid;grid-template-columns:1.7fr 1fr;gap:32px;padding:24px 0 70px;align-items:start;}
.checkout-card{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow);padding:28px 30px;margin-bottom:20px;}
.checkout-card h3{font-size:16.5px;margin-bottom:16px;}
.checkout-step-num{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--navy);color:#fff;font-size:12px;font-weight:900;margin-right:8px;}

.order-line{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);}
.order-line:last-child{border-bottom:none;}
.order-line .ol-name{font-weight:800;font-size:14px;}
.order-line .ol-meta{font-size:12px;color:var(--navy-soft);margin-top:2px;}
.order-line .ol-price{font-weight:900;font-size:14px;white-space:nowrap;}

.buyer-choice-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:6px;}
.buyer-choice-card{border:2px solid var(--line);border-radius:var(--radius-sm);padding:18px 14px;text-align:center;cursor:pointer;background:#fff;transition:border-color .15s;}
.buyer-choice-card:hover{border-color:var(--pink);}
.buyer-choice-card .bc-icon{font-size:22px;margin-bottom:8px;}
.buyer-choice-card .bc-title{font-weight:800;font-size:13.5px;}
.buyer-choice-card .bc-sub{font-size:11.5px;color:var(--navy-soft);margin-top:4px;line-height:1.5;}
.buyer-choice-card.bc-recommended{border-color:var(--pink);background:rgba(238,85,134,.05);}

.guest-form-box{margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
.logged-in-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#F1F8F4;border:1px solid #CDEBD9;border-radius:var(--radius-sm);padding:14px 18px;font-size:13.5px;color:var(--navy);}
.logged-in-banner b{font-weight:900;}

.checkout-side{position:sticky;top:20px;}
.checkout-total-row{display:flex;justify-content:space-between;font-size:15px;font-weight:900;color:var(--navy);padding-top:14px;margin-top:6px;border-top:2px solid var(--navy);}
.checkout-subtotal-row{display:flex;justify-content:space-between;font-size:13.5px;color:var(--navy-soft);padding:4px 0;}

/* ---------- Admin dashboard ---------- */
.admin-denied{text-align:center;padding:90px 20px;}
.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px;}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);padding:20px 22px;box-shadow:var(--shadow);}
.stat-card .stat-label{font-size:11.5px;font-weight:800;color:var(--navy-soft);text-transform:uppercase;letter-spacing:.04em;}
.stat-card .stat-value{font-family:'Baloo 2';font-size:26px;color:var(--navy);margin-top:6px;}

.admin-tabs{display:flex;gap:8px;margin-bottom:18px;border-bottom:2px solid var(--line);}
.admin-tab{padding:10px 18px;font-weight:800;font-size:14px;color:var(--navy-soft);border-bottom:2px solid transparent;margin-bottom:-2px;background:none;}
.admin-tab.active{color:var(--navy);border-color:var(--pink);}

.admin-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.admin-search{flex:1;min-width:200px;padding:10px 14px;border-radius:var(--radius-sm);border:2px solid var(--line);font-family:inherit;font-size:13.5px;background:#fff;color:var(--navy);}
.admin-search:focus{outline:none;border-color:var(--pink);}
.admin-filter-btn{padding:8px 14px;border-radius:999px;background:#F3F1EC;font-weight:800;font-size:12.5px;color:var(--navy-soft);white-space:nowrap;}
.admin-filter-btn.active{background:var(--navy);color:#fff;}

.admin-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:680px;}
.admin-table th{text-align:left;padding:12px 14px;background:#F8F6F1;font-size:11px;font-weight:800;color:var(--navy-soft);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;}
.admin-table td{padding:12px 14px;border-top:1px solid var(--line);vertical-align:top;color:var(--navy);}
.admin-table tbody tr:hover td{background:#FCFAF6;}

.status-badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:800;white-space:nowrap;}
.status-badge.paid{background:rgba(28,173,168,.16);color:#127a76;}
.status-badge.pending{background:rgba(255,201,60,.28);color:#8a6a00;}
.status-badge.other{background:#F3F1EC;color:var(--navy-soft);}

.admin-empty{text-align:center;padding:44px 20px;color:var(--navy-soft);font-size:14px;}

.admin-date{padding:9px 10px;border-radius:var(--radius-sm);border:2px solid var(--line);font-family:inherit;font-size:12.5px;background:#fff;color:var(--navy);}
.admin-date:focus{outline:none;border-color:var(--pink);}
.admin-date-sep{color:var(--navy-soft);font-size:13px;}
.admin-toolbar-spacer{flex:1;min-width:0;}

.admin-pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:16px;}
.admin-page-btn{padding:8px 16px;border-radius:999px;background:#F3F1EC;font-weight:800;font-size:13px;color:var(--navy);}
.admin-page-btn:disabled{opacity:.4;cursor:default;}
.admin-page-info{font-size:13px;font-weight:700;color:var(--navy-soft);white-space:nowrap;}

.admin-delete-btn{background:none;border:none;color:#B3B3BD;font-size:15px;cursor:pointer;padding:5px 9px;border-radius:6px;white-space:nowrap;}
.admin-delete-btn:hover{color:#e5484d;background:rgba(229,72,77,.08);}

.admin-bulk-bar{display:none;align-items:center;gap:14px;background:var(--navy);color:#fff;border-radius:var(--radius-sm);padding:10px 16px;margin-bottom:12px;}
.admin-bulk-bar.show{display:flex;}
.admin-bulk-bar .abb-count{font-weight:800;font-size:13.5px;}
.admin-bulk-bar .abb-spacer{flex:1;}
.admin-bulk-bar .btn-bulk-delete{background:#e5484d;color:#fff;padding:8px 16px;border-radius:999px;font-weight:800;font-size:12.5px;}
.admin-bulk-bar .btn-bulk-clear{background:rgba(255,255,255,.14);color:#fff;padding:8px 16px;border-radius:999px;font-weight:800;font-size:12.5px;}

/* Viewer sub-admin mode: read-only dashboard — no select/bulk-delete UI.
   Row-level delete/resend buttons are removed in JS (renderOrders()); this
   just hides the header checkbox column and the bulk-action bar, which
   would otherwise be a select-all with nothing effective to do. */
.admin-viewer-mode .admin-col-select,
.admin-viewer-mode #ordersBulkBar,
.admin-viewer-mode #selectAllOrders{display:none;}

/* ---------- My Account page ---------- */
.account-hero{display:flex;align-items:center;gap:20px;margin-bottom:30px;}
.account-hero img{width:76px;height:76px;object-fit:contain;flex-shrink:0;}
.account-hero h1{font-size:24px;margin-bottom:4px;}
.account-hero p{color:var(--navy-soft);font-size:14px;}
.account-section-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.account-section-head img{width:44px;height:44px;object-fit:contain;flex-shrink:0;}
.account-section-head h2{font-size:18px;margin-bottom:2px;}
.account-section-head p{color:var(--navy-soft);font-size:13px;}
.student-row{display:flex;gap:8px;align-items:center;margin-bottom:10px;}
.student-row .form-input{flex:1;margin-bottom:0;}
.student-remove-btn{background:none;border:none;color:#B3B3BD;font-size:18px;cursor:pointer;padding:4px 8px;flex-shrink:0;}
.student-remove-btn:hover{color:#e5484d;}
.account-flash{font-size:12.5px;font-weight:800;color:var(--teal);margin-top:10px;display:none;}
.account-flash.show{display:block;}
.account-flash.error{color:var(--pink);}
.account-order-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13.5px;}
.account-order-row:last-child{border-bottom:none;}
.account-order-row .ao-date{color:var(--navy-soft);min-width:130px;}
.account-order-row .ao-items{flex:1;min-width:180px;}
.account-order-row .ao-amount{font-weight:900;min-width:60px;text-align:right;}
.account-orders-empty{text-align:center;padding:30px 20px;}
.account-orders-empty img{width:90px;margin:0 auto 10px;}
.danger-card{background:#FFF6F6;border:1px solid rgba(229,72,77,.3);}
.danger-card h2{color:#c0392b;}
.btn-danger{background:#e5484d;color:#fff;}
.btn-danger:hover{background:#d13c41;}

@media (max-width:640px){
  .account-hero{flex-direction:column;text-align:center;}
  .account-section-head{flex-direction:column;text-align:center;}
  .account-order-row{flex-direction:column;}
  .account-order-row .ao-amount{text-align:left;}
}

/* ---------- Responsive ---------- */

/* Tablet (and phone, since these rules cascade down) */
@media (max-width:1000px){
  .feature-grid,.level-grid,.product-grid{grid-template-columns:repeat(2,1fr);}
  .steps,.testi-grid{grid-template-columns:1fr;}
  .pd-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .hero-copy h1{font-size:32px;}
  .checkout-wrap{grid-template-columns:1fr;}
  .buyer-choice-grid{grid-template-columns:1fr;}
  .admin-stats{grid-template-columns:repeat(2,1fr);}

  /* Logo wordmark is 7 bubble letters now (was 4) — trim it slightly once
     the nav collapses to a hamburger, so it doesn't crowd the toggle button. */
  .bubble-letter{font-size:21px;}

  /* Nav collapses into a hamburger-triggered dropdown instead of vanishing. */
  .nav-toggle{display:flex;}
  .main-nav{display:none;}
  .main-nav.open{
    display:flex;flex-direction:column;gap:2px;
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border:1px solid var(--line);border-top:none;
    box-shadow:var(--shadow-hover);
    padding:8px 24px 14px;
    z-index:60;
  }
  .main-nav.open a{
    padding:13px 4px;border-bottom:1px solid var(--line);
  }
  .main-nav.open a:last-child{border-bottom:none;}
}

/* Phone */
@media (max-width:640px){
  .feature-grid,.level-grid,.product-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}

  .hero{padding:44px 0 36px;}
  .hero-inner{flex-direction:column;gap:30px;}
  .hero-copy{min-width:0;text-align:center;}
  .hero-copy p{margin-left:auto;margin-right:auto;}
  .hero-ctas{justify-content:center;}
  .hero-visual{min-width:0;order:-1;}
  .trust-row{justify-content:center;gap:22px;}

  .section{padding:46px 0;}
  .section-head h2{font-size:26px;}
  .curriculum-band{padding:34px 20px;}

  .char-row{gap:20px;}

  .dchoice-opts{flex-direction:column;}
  .pd-actions{flex-direction:column;}
  .pd-qty-row{flex-wrap:wrap;row-gap:10px;}
  .logged-in-banner{flex-wrap:wrap;}

  .checkout-card,.auth-card{padding:24px 18px;}
  .modal-overlay{padding:14px;}
  .modal-box{max-width:100%;}

  .pd-tabs{flex-wrap:wrap;gap:6px 14px;}
  .admin-stats{grid-template-columns:1fr 1fr;gap:10px;}
  .stat-card{padding:14px 16px;}
  .stat-card .stat-value{font-size:21px;}
}

/* Small phone */
@media (max-width:420px){
  .header-inner{padding:10px 14px;}
  .header-actions{gap:8px;}
  .icon-btn,.nav-toggle{width:34px;height:34px;}
  .btn-ghost.btn-sm{padding:8px 12px;font-size:12px;}
  .lang-btn{padding:5px 9px;font-size:11.5px;}
  .bubble-letter{font-size:20px;}
  .logo-line-sm{font-size:9.5px;}
  .hero-copy h1{font-size:27px;}
}