:root{
  --white:#ffffff;
  --bg:#FBFCFB;
  --gray:#F4F6F4;
  --gray-2:#EEF2EE;
  --ink:#22312A;
  --muted:#68796F;
  --line:#E6ECE6;
  --green-50:#EDF6EF;
  --green-100:#DDEEE2;
  --green-200:#C4E2CC;
  --green-700:#3A5A40;
  --green-800:#2E4A34;
  --pink-50:#FDF0F3;
  --pink-100:#FBE3E9;
  --pink-300:#E8A0B4;
  --pink-600:#B76A82;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(58,90,64,.08);
  --shadow-sm:0 4px 14px rgba(58,90,64,.07);
  --font-body:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-head:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;-webkit-tap-highlight-color:transparent}
img,svg{max-width:100%}
a{color:inherit}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
h1,h2,h3{font-family:var(--font-body);font-weight:800;line-height:1.2;letter-spacing:0;margin:0}
h1{font-size:clamp(2.2rem,5vw,3.4rem)}
h1 em{font-style:normal;color:var(--green-700)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.section{padding:84px 0}
.section-soft{background:linear-gradient(180deg,var(--green-50) 0%,#F7FAF7 55%,var(--pink-50) 130%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin-bottom:36px}
.kicker{display:inline-block;font-family:var(--font-body);font-size:.8rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--green-700);background:var(--green-100);padding:7px 14px;border-radius:999px;margin:0 0 14px}
.section-desc{color:var(--muted);font-size:1.08rem;margin:12px 0 0}

/* Header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none}
.logo-mark{width:26px;height:26px;border-radius:50%;background:var(--green-100);border:1px solid #D2E4D6;flex:none}
.logo-text{font-weight:800;font-size:1.15rem;line-height:1}
.nav{display:flex;gap:6px}
.nav-link{text-decoration:none;font-weight:600;font-size:.96rem;color:#42544A;padding:9px 14px;border-radius:999px;transition:background .2s,color .2s}
.nav-link:hover{background:var(--gray)}
.nav-link.is-active{background:var(--ink);color:#fff}
.header-actions{display:flex;align-items:center;gap:10px}
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:700;font-size:1rem;border-radius:999px;padding:14px 26px;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease;font-family:var(--font-body)}
.btn-primary{background:var(--green-700);color:#fff;box-shadow:0 8px 20px rgba(58,90,64,.18)}
.btn-primary:hover{background:var(--green-800);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--green-200);background:var(--green-50)}
.btn-small{padding:10px 18px;font-size:.92rem}
.burger{display:none;flex-direction:column;gap:5px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer}
.burger span{width:20px;height:2px;background:var(--ink);border-radius:2px;display:block}
.mobile-menu{display:none;flex-direction:column;padding:8px 20px 18px;gap:4px}
.mobile-menu a{text-decoration:none;font-weight:700;padding:11px 6px;border-bottom:1px solid var(--line)}
.mobile-menu.open{display:flex}

/* Hero */
.hero{position:relative;padding:56px 0 30px;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--green-50) 62%,var(--bg) 100%)}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(2px)}
.blob-green{width:520px;height:520px;left:-140px;top:-160px;background:radial-gradient(circle,rgba(221,238,226,.9),transparent 65%)}
.blob-pink{width:620px;height:620px;right:-180px;top:-80px;background:radial-gradient(circle,rgba(251,227,233,.85),transparent 65%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.eyebrow{display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:.88rem;font-weight:700;color:#42544A;box-shadow:var(--shadow-sm);margin:0 0 18px}
.eyebrow .dot{width:9px;height:9px;border-radius:50%;background:#6FA287;box-shadow:0 0 0 5px var(--green-100)}
.lead{font-size:1.22rem;color:var(--muted);margin:16px 0 0;max-width:46ch}
.hero-cta{display:flex;gap:12px;margin:26px 0 26px;flex-wrap:wrap}
.search-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);position:relative}
.search-label{font-weight:800;font-size:.95rem;display:block;margin-bottom:10px}
.search-box{display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:11px 14px}
.search-box:focus-within{border-color:var(--green-200);box-shadow:0 0 0 4px var(--green-50)}
.search-box input{border:0;background:transparent;outline:0;width:100%;font-size:1rem;font-family:var(--font-body);color:var(--ink)}
.search-clear{border:0;background:var(--gray);border-radius:50%;width:26px;height:26px;cursor:pointer;color:var(--muted)}
.search-hint{font-size:.86rem;color:var(--muted);margin:9px 0 0}
.search-results{position:absolute;left:12px;right:12px;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;z-index:20;max-height:340px;overflow:auto}
.search-item{display:flex;gap:12px;align-items:center;width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--line);padding:12px 14px;cursor:pointer;font-family:var(--font-body)}
.search-item:last-child{border-bottom:0}
.search-item:hover{background:var(--green-50)}
.search-item strong{display:block;font-size:.95rem}
.search-item small{color:var(--muted)}
.search-item .s-badge{margin-left:auto;flex:none;font-size:.75rem;font-weight:800;background:var(--pink-50);border:1px solid var(--pink-100);color:var(--pink-600);padding:5px 10px;border-radius:999px}
.search-empty{padding:16px;color:var(--muted);font-size:.95rem}
.hero-meta{display:flex;gap:26px;margin-top:20px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:1.5rem;font-family:var(--font-head)}
.hero-meta span{color:var(--muted);font-size:.9rem}

/* Hero visual */
.visual-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)}
.visual-top{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.visual-top p{margin:0;font-weight:800}
.visual-top small{color:var(--muted)}
.pulse{width:10px;height:10px;border-radius:50%;background:#6FA287;margin-bottom:10px;box-shadow:0 0 0 6px var(--green-100)}
.visual-steps{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.v-step{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:9px 13px;display:flex;flex-direction:column;min-width:110px}
.v-step span{font-weight:800;font-size:.9rem}
.v-step small{color:var(--muted);font-size:.76rem}
.v-active{background:var(--green-100);border-color:var(--green-200)}
.v-pink{background:var(--pink-50);border-color:var(--pink-100)}
.v-arrow{color:#B9C6BE;font-weight:800}
.visual-book{display:grid;grid-template-columns:150px 1fr;gap:16px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:14px}
.book-cover{border-radius:12px;padding:14px 12px;color:#fff;display:flex;flex-direction:column;gap:8px;min-height:196px;box-shadow:var(--shadow-sm)}
.book-cover small{font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;opacity:.9}
.book-cover strong{font-family:var(--font-head);font-weight:500;font-size:1.02rem;line-height:1.3}
.book-cover span{margin-top:auto;font-size:.76rem;opacity:.92;background:rgba(255,255,255,.22);padding:6px 8px;border-radius:8px}
.book-green{background:linear-gradient(160deg,#5C8A68,#3A5A40)}
.book-pink{background:linear-gradient(160deg,#D99AAD,#A95E77)}
.book-cream{background:linear-gradient(160deg,#7A9B8A,#42544A)}
.book-blue{background:linear-gradient(160deg,#7FA8A0,#476B66)}
.book-info{display:flex;flex-direction:column;gap:8px;justify-content:center}
.book-tag{display:inline-block;align-self:flex-start;font-size:.74rem;font-weight:800;color:var(--green-700);background:var(--green-100);padding:5px 10px;border-radius:999px;margin:0}
.book-title{margin:0;font-family:var(--font-body);font-weight:800;font-size:1rem;line-height:1.4}
.book-lines{display:flex;flex-direction:column;gap:7px;margin:4px 0 8px}
.book-lines span{height:8px;border-radius:6px;background:#E3EAE3}
.book-lines .short{width:60%}
.visual-btn{align-self:flex-start}
.float-chip{position:absolute;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 15px;font-size:.82rem;font-weight:700;box-shadow:var(--shadow-sm)}
.chip-1{top:-16px;right:22px}
.chip-2{bottom:-16px;left:22px;background:var(--ink);color:#fff;border-color:var(--ink)}

/* Class strip */
.class-strip{position:relative;margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;display:flex;gap:14px;align-items:center;box-shadow:var(--shadow-sm)}
.strip-title{margin:0;font-weight:800;white-space:nowrap;color:var(--muted);font-size:.92rem}
.strip-scroll{display:flex;gap:9px;overflow-x:auto;padding:4px;scrollbar-width:thin}
.strip-pill{flex:none;text-decoration:none;font-weight:800;font-size:.9rem;padding:9px 16px;border-radius:999px;background:var(--bg);border:1px solid var(--line);transition:all .18s}
.strip-pill:hover,.strip-pill.is-selected{background:var(--green-700);color:#fff;border-color:var(--green-700)}

/* Flow + class grid */
.flow{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 10px 10px 18px;margin-bottom:24px;flex-wrap:wrap;box-shadow:var(--shadow-sm)}
.flow-step{display:flex;align-items:center;gap:8px;font-weight:700;font-size:.92rem;color:var(--muted)}
.flow-step strong{color:var(--ink)}
.flow-step.is-done{color:var(--ink)}
.flow-num{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--gray);font-size:.82rem;font-weight:800}
.is-done .flow-num{background:var(--green-700);color:#fff}
.flow-num-end{background:var(--pink-100);color:var(--pink-600)}
.flow-line{width:26px;height:2px;background:var(--line);border-radius:2px}
.link-reset{margin-left:auto;background:transparent;border:0;color:var(--pink-600);font-weight:800;cursor:pointer;font-size:.9rem;font-family:var(--font-body);padding:8px 12px;border-radius:999px}
.link-reset:hover{background:var(--pink-50)}
.class-grid{display:grid;grid-template-columns:repeat(11,1fr);gap:10px;margin-bottom:26px}
.class-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:16px 6px;cursor:pointer;font-family:var(--font-body);display:flex;flex-direction:column;align-items:center;gap:4px;transition:transform .18s,box-shadow .18s,border-color .18s,background .18s}
.class-card b{font-size:1.5rem;font-family:var(--font-head);font-weight:600}
.class-card span{font-size:.8rem;color:var(--muted);font-weight:700}
.class-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--green-200)}
.class-card.is-selected{background:var(--green-700);color:#fff;border-color:var(--green-700);box-shadow:0 10px 24px rgba(58,90,64,.22)}
.class-card.is-selected span{color:#DDEEE2}
.finder-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:20px;align-items:start}
.finder-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-sm);min-height:320px}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-head h3{font-size:1.35rem}
.panel-head p{margin:0;color:var(--muted);font-size:.9rem;text-align:right}
.subject-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.subject-btn{display:flex;align-items:center;gap:12px;text-align:left;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:12px;cursor:pointer;font-family:var(--font-body);transition:all .18s;width:100%}
.subject-btn:hover{border-color:var(--green-200);background:var(--green-50);transform:translateY(-1px)}
.subject-btn.is-selected{background:var(--ink);color:#fff;border-color:var(--ink)}
.subject-btn.is-selected small{color:#CBD8CF}
.subject-ico{flex:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--green-100);color:var(--green-700)}
.subject-btn:nth-child(even) .subject-ico{background:var(--pink-50);color:var(--pink-600)}
.subject-btn.is-selected .subject-ico{background:rgba(255,255,255,.16);color:#fff}
.subject-btn strong{display:block;font-size:.94rem;line-height:1.3}
.subject-btn small{color:var(--muted);font-size:.78rem}
.book-grid{display:grid;grid-template-columns:1fr;gap:12px}
.book-card{display:grid;grid-template-columns:112px 1fr;gap:14px;border:1px solid var(--line);border-radius:16px;padding:12px;background:var(--bg);transition:transform .18s,box-shadow .18s}
.book-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);background:#fff}
.book-card .book-cover{min-height:150px}
.book-meta small{color:var(--muted);font-weight:700;font-size:.78rem;letter-spacing:.04em;text-transform:uppercase}
.book-meta h4{margin:4px 0 6px;font-size:1.02rem;font-family:var(--font-body);font-weight:800;line-height:1.35}
.book-meta p{margin:0 0 10px;color:var(--muted);font-size:.9rem}
.book-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.empty-note{background:var(--bg);border:1px dashed var(--line);border-radius:14px;padding:22px;text-align:center;color:var(--muted)}

/* All subjects */
.all-subjects{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.all-subject{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;gap:13px;align-items:flex-start;cursor:pointer;transition:all .18s;font-family:var(--font-body);text-align:left;width:100%}
.all-subject:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:var(--green-200)}
.all-subject strong{display:block}
.all-subject small{color:var(--muted)}

/* Popular books */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.filter-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;font-weight:700;font-family:var(--font-body);cursor:pointer;font-size:.92rem}
.filter-btn.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.book-grid-all{grid-template-columns:repeat(3,1fr)}
.book-grid-all .book-card{grid-template-columns:1fr;background:#fff}
.book-grid-all .book-cover{min-height:170px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 24px;box-shadow:var(--shadow-sm)}
.step-num{font-family:var(--font-head);font-size:2.6rem;color:var(--green-200);line-height:1;display:block;margin-bottom:12px}
.step:nth-child(2) .step-num{color:var(--pink-300)}
.step h3{font-size:1.25rem;margin-bottom:8px}
.step p{margin:0;color:var(--muted)}

/* Benefits */
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.benefit{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 20px;transition:transform .18s,box-shadow .18s}
.benefit:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.benefit-icon{width:46px;height:46px;border-radius:14px;background:var(--green-100);color:var(--green-700);display:grid;place-items:center;margin-bottom:14px}
.icon-pink{background:var(--pink-50);color:var(--pink-600)}
.benefit h3{font-family:var(--font-body);font-weight:800;font-size:1.05rem;margin:0 0 8px}
.benefit p{margin:0;color:var(--muted);font-size:.94rem}
.kind-note{display:flex;gap:18px;align-items:flex-start;background:linear-gradient(120deg,var(--green-50),#fff 55%,var(--pink-50));border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:var(--shadow-sm)}
.kind-icon{flex:none;width:54px;height:54px;border-radius:16px;background:#fff;border:1px solid var(--line);display:grid;place-items:center}
.kind-note h3{font-family:var(--font-body);font-weight:800;font-size:1.2rem;margin:0 0 8px;line-height:1.4}
.kind-note p{margin:0;color:#4A5C51}
.kind-note-small{padding:18px;margin-top:18px}

/* About */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.about-list{list-style:none;margin:22px 0 26px;padding:0;display:flex;flex-direction:column;gap:11px}
.about-list li{display:flex;gap:11px;align-items:center;font-weight:600}
.about-list span{flex:none;width:26px;height:26px;border-radius:50%;background:var(--green-100);color:var(--green-700);display:grid;place-items:center;font-weight:800;font-size:.85rem}
.about-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:26px;box-shadow:var(--shadow)}
.about-card-title{margin:0 0 14px;font-weight:800}
.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.about-tags span{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-size:.85rem;font-weight:700}
.about-quote{background:var(--ink);color:#EAF3EC;border-radius:14px;padding:16px 18px;font-size:.92rem;line-height:1.55}

/* Footer */
.footer{background:#fff;border-top:1px solid var(--line);padding:52px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;padding-bottom:34px}
.footer-brand p{color:var(--muted);font-size:.95rem;max-width:32ch}
.footer nav,.footer div{display:flex;flex-direction:column;gap:9px}
.footer p{margin:0 0 6px;font-weight:800}
.footer nav a,.footer div a{text-decoration:none;color:var(--muted);font-size:.95rem}
.footer nav a:hover,.footer div a:hover{color:var(--ink)}
.footer-note{color:var(--muted);font-size:.85rem}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:18px 0 22px;color:var(--muted);font-size:.88rem}
.footer-bottom a{text-decoration:none;font-weight:700}

/* Modal */
.modal{position:fixed;inset:0;z-index:100;display:none}
.modal.open{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(34,49,42,.45)}
.modal-card{position:relative;width:min(620px,calc(100% - 32px));margin:6vh auto;background:#fff;border-radius:22px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.2);max-height:86vh;overflow:auto;animation:pop .25s ease}
@keyframes pop{from{transform:translateY(14px);opacity:0}to{transform:none;opacity:1}}
.modal-close{position:absolute;top:14px;right:14px;border:1px solid var(--line);background:#fff;border-radius:50%;width:36px;height:36px;cursor:pointer}
.modal-sub{color:var(--muted)}
.modal-steps{display:flex;flex-direction:column;gap:10px;margin:18px 0}
.modal-step{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.modal-step strong{display:block;margin-bottom:4px}
.modal-step p{margin:0;color:#4A5C51;font-size:.95rem}
.modal-actions{margin-top:14px;display:flex;gap:10px}

/* Sites recommmendation cards */
.sites{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.site-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.site-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.site-card h3{font-size:1.5rem;margin-bottom:2px}
.site-url{margin:0 0 10px;color:var(--pink-600);font-weight:800;font-size:.92rem;overflow-wrap:anywhere}
.site-desc{margin:0 0 16px;color:var(--muted)}
.site-list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:10px}
.site-list li{display:flex;gap:10px;align-items:flex-start;font-weight:600;font-size:.95rem}
.site-list span{flex:none;width:24px;height:24px;border-radius:50%;background:var(--green-100);color:var(--green-700);display:grid;place-items:center;font-weight:800;font-size:.8rem}
.site-card .btn{margin-top:auto;justify-content:center}
.mini-sites{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}
.mini-site{display:flex;align-items:center;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.mini-num{flex:none;width:30px;height:30px;border-radius:50%;background:var(--green-700);color:#fff;display:grid;place-items:center;font-weight:800;font-size:.9rem}
.mini-site:nth-child(2) .mini-num{background:var(--pink-600)}
.mini-site:nth-child(3) .mini-num{background:var(--ink)}
.mini-site strong{display:block;line-height:1.2}
.mini-site small{color:var(--muted)}
.mini-star{margin-left:auto;color:#D9A62E;font-size:1.1rem}

/* Simple centered advice layout */
.hero-simple{padding:70px 0 50px}
.hero-centered{position:relative;max-width:640px;margin:0 auto;text-align:center}
.hero-centered .lead{margin-left:auto;margin-right:auto}
.hero-cta-centered{justify-content:center}
.container-narrow{max-width:860px}
.section-head-centered{text-align:center;margin-left:auto;margin-right:auto}
.section-head-centered .section-desc{margin-left:auto;margin-right:auto}
.sites-simple{grid-template-columns:1fr;max-width:560px;margin:0 auto}
.sites-simple .site-card{text-align:center;align-items:center}
.simple-list{list-style:none;margin:0 0 22px;padding:0;display:flex;flex-direction:column;gap:10px;max-width:520px;margin-left:auto;margin-right:auto}
.simple-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:13px 18px;font-weight:600;text-align:center}
.simple-list-left{margin-left:0;margin-right:0;max-width:560px}
.simple-list-left li{text-align:left}
.kind-note-centered{justify-content:center;text-align:center}
.footer-simple{padding:34px 0}
.footer-left{text-align:left}
.footer-name{font-weight:800;font-size:1.1rem;margin:0 0 6px}
.footer-tag{margin:0 0 8px;color:var(--muted);font-size:.92rem}
.footer-links{margin:0;color:var(--muted);font-size:.92rem}
.footer-links a{text-decoration:none;font-weight:700}
.footer-links a:hover{color:var(--ink)}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* Responsive */
@media (max-width:1020px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .class-grid{grid-template-columns:repeat(6,1fr)}
  .finder-grid{grid-template-columns:1fr}
  .all-subjects{grid-template-columns:repeat(2,1fr)}
  .book-grid-all{grid-template-columns:repeat(2,1fr)}
  .benefits{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .header-inner{flex-wrap:wrap;height:auto;padding:12px 0}
  .nav{order:3;width:100%;overflow-x:auto;padding-bottom:4px}
  .nav-link{white-space:nowrap}
  .sites{grid-template-columns:1fr}
  .burger{display:flex}
}
@media (max-width:620px){
  .section{padding:60px 0}
  .class-grid{grid-template-columns:repeat(3,1fr);gap:8px}
  .class-card b{font-size:1.25rem}
  .subject-grid{grid-template-columns:1fr}
  .book-card{grid-template-columns:1fr}
  .book-card .book-cover{min-height:150px}
  .all-subjects{grid-template-columns:1fr}
  .book-grid-all{grid-template-columns:1fr}
  .benefits{grid-template-columns:1fr}
  .visual-book{grid-template-columns:1fr}
  .chip-1{right:10px}
  .chip-2{left:10px}
  .hero-meta{gap:18px;flex-wrap:wrap}
  .flow{border-radius:18px}
  .footer-grid{grid-template-columns:1fr}
  .class-strip{flex-direction:column;align-items:stretch}
  .strip-title{margin-bottom:2px}
  .header-actions .btn{display:none}
}

/* Phones: maximum comfort */
@media (max-width:480px){
  .container{width:calc(100% - 32px)}
  html{scroll-padding-top:120px}
  .section{padding:44px 0}
  .section-head{margin-bottom:24px}
  .hero{padding:36px 0 24px}
  .hero-grid{gap:24px}
  .eyebrow{font-size:.78rem;padding:7px 12px;margin-bottom:14px}
  .lead{font-size:1.05rem}
  .hero-cta{margin:20px 0}
  .hero-cta .btn{width:100%;justify-content:center;padding:15px 22px}
  .hero-meta{gap:14px}
  .hero-meta strong{font-size:1.25rem}
  .visual-card{padding:16px;border-radius:18px}
  .visual-steps{gap:6px}
  .v-step{min-width:0;flex:1 1 100px;padding:8px 10px}
  .visual-book{padding:12px;gap:12px}
  .float-chip{position:static;display:block;text-align:center;margin-top:8px;font-size:.78rem;padding:8px 12px}
  .chip-1,.chip-2{top:auto;right:auto;bottom:auto;left:auto}
  .mini-site{padding:10px 12px;gap:10px}
  .site-card{padding:22px 18px;border-radius:18px}
  .site-card .btn{width:100%;justify-content:center;padding:14px 20px}
  .benefit{padding:18px 16px}
  .kind-note{padding:20px 18px;flex-direction:column;gap:12px}
  .kind-icon{width:46px;height:46px}
  .nav{scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav-link{padding:10px 13px;font-size:.88rem}
  .strip-scroll{margin:0 -4px}
  .footer-simple{padding:26px 0 calc(26px + env(safe-area-inset-bottom,0px))}
  .btn{min-height:44px}
  .blob-green{width:320px;height:320px;left:-120px;top:-120px}
  .blob-pink{width:360px;height:360px;right:-140px;top:-60px}
}