/* Bajo Institut Publisher — komponen khusus penerbit (di atas base.css) */
.top-parent{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:#D6E5EC}
.nav a.active{color:var(--navy)}
.nav a.active::after{transform:scaleX(1)}

/* hero */
.p-hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(900px 500px at 85% 20%,rgba(47,167,184,.25),transparent 60%),linear-gradient(135deg,#051B2A 0%,var(--navy) 45%,var(--blue-deep) 100%)}
.p-hero::after{content:"";position:absolute;inset:0;background:url("../img/foto-05.jpg") center/cover;opacity:.08;mix-blend-mode:luminosity;pointer-events:none}
.p-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:90px;padding-bottom:100px}
.p-hero h1{color:#fff;font-size:clamp(36px,4.8vw,58px);line-height:1.08;margin:20px 0 20px}
.p-hero h1 em{font-style:italic;font-weight:500;color:var(--sand-2)}
.p-hero .lead{font-size:17.5px;line-height:1.75;color:#CFE0E8;max-width:560px}
.p-hero-books{position:relative;height:420px}
.p-hero-books .stack{position:absolute;width:210px;transition:transform .6s var(--ease)}
.p-hero-books .s1{left:50%;top:10px;transform:translateX(-50%) rotate(-2deg);z-index:3}
.p-hero-books .s2{left:8%;top:60px;transform:rotate(-10deg);z-index:2;opacity:.92}
.p-hero-books .s3{right:6%;top:70px;transform:rotate(9deg);z-index:1;opacity:.9}
.p-hero-books:hover .s2{transform:rotate(-13deg) translateX(-10px)}
.p-hero-books:hover .s3{transform:rotate(12deg) translateX(10px)}

/* book cover */
.bk{position:relative;aspect-ratio:5/7;border-radius:4px 10px 10px 4px;overflow:hidden;box-shadow:0 1px 0 rgba(255,255,255,.2) inset,0 22px 40px -18px rgba(5,26,40,.55),0 6px 14px -6px rgba(5,26,40,.35);background:var(--sky)}
.bk::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.12) 60%,rgba(0,0,0,0));z-index:2}
.bk>img{width:100%;height:100%;object-fit:cover}
.bk-face{position:absolute;inset:0;display:flex;flex-direction:column;padding:22px 18px 16px 24px;color:#fff}
.bk-cat{font:800 9.5px/1.3 var(--sans);letter-spacing:.16em;text-transform:uppercase;opacity:.8}
.bk-title{margin-top:auto;font:600 20px/1.18 var(--serif);text-wrap:balance}
.bk-author{margin-top:10px;font:600 11.5px/1.35 var(--sans);opacity:.85}
.bk-pub{margin-top:18px;padding-top:10px;border-top:1px solid rgba(255,255,255,.28);display:flex;align-items:center;gap:7px;font:700 9.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;opacity:.9}
.bk-pub img{width:16px;height:auto;background:#fff;border-radius:4px;padding:1px}
.bk-big .bk-face{padding:34px 28px 24px 36px}
.bk-big .bk-title{font-size:30px}
.bk-big .bk-author{font-size:13.5px}
.bk-big .bk-cat{font-size:11px}

/* book grid & card */
.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,280px));gap:34px 40px}
.book-card{display:flex;flex-direction:column;gap:18px;color:inherit}
.book-card .bk{transition:transform .45s var(--ease),box-shadow .45s var(--ease)}
.book-card:hover .bk{transform:translateY(-8px) rotate(-1deg);box-shadow:0 34px 50px -22px rgba(5,26,40,.6)}
.book-card[hidden]{display:none}
.bc-body h3{font-size:18px;line-height:1.3;margin:8px 0 6px;color:var(--navy)}
.bc-body p{font-size:13.5px;color:var(--ink-soft)}
.bc-st{display:inline-block;font:800 10.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border-radius:999px;background:#e3f3e6;color:#276b3a}
.bc-st.st-soon{background:var(--sand-soft);color:#7A5A12}
.bc-more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:13.5px;font-weight:700;color:var(--blue)}
.bc-more svg{width:15px;height:15px;transition:transform .3s}
.book-card:hover .bc-more svg{transform:translateX(4px)}

/* page hero */
.page-hero{padding:64px 0 52px;background:radial-gradient(700px 300px at 90% 0,rgba(47,167,184,.12),transparent 70%),var(--sky-2);border-bottom:1px solid var(--line)}
.page-hero.slim{padding:26px 0 22px}
.page-hero h1{font-size:clamp(32px,4vw,46px);margin:14px 0 10px}
.page-hero p{max-width:640px;font-size:16px}
.crumb{font-size:13.5px;color:var(--ink-mute)}
.crumb a{font-weight:600}
.crumb span{color:var(--ink-soft)}

/* services 4 */
.svc-grid.four{grid-template-columns:repeat(4,1fr)}

/* steps */
.steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s;position:relative}
.step{position:relative;padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.step .n{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--navy);color:var(--sand-2);font:600 18px/1 var(--serif);margin-bottom:16px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13.5px;line-height:1.65}
.step:not(:last-child)::after{content:"";position:absolute;top:46px;right:-17px;width:18px;height:2px;background:var(--line)}

/* trust */
.trust{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.trust h2{margin:16px 0 16px}
.trust-list{list-style:none;display:grid;gap:14px}
.trust-list li{display:flex;gap:16px;padding:18px 20px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12)}
.trust-list i{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:rgba(212,169,79,.14);color:var(--sand-2);flex-shrink:0}
.trust-list i svg{width:20px;height:20px}
.trust-list b{display:block;color:#fff;font-size:15.5px}
.trust-list span{font-size:13.5px;color:#B9CCD7}

/* profil */
.prof{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.prof h2{margin:16px 0 18px}
.prof p{font-size:16px;line-height:1.8;margin-bottom:14px}
.vm{display:grid;gap:18px}
.vm-box{padding:30px;border-radius:22px;background:linear-gradient(145deg,var(--navy),var(--blue-deep));color:#fff}
.vm-box.light{background:#fff;border:1px solid var(--line);color:var(--ink)}
.vm-v{margin-top:14px;font:500 21px/1.45 var(--serif);color:#fff}
.vm-list{margin:14px 0 0 20px;display:grid;gap:10px}
.vm-list li{font-size:15px;color:var(--ink-soft);line-height:1.6;padding-left:4px}
.id-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:start}
.meta-table{width:100%;border-collapse:collapse;background:#fff}
.meta-table.card:hover{transform:none;box-shadow:none;border-color:var(--line)}
.meta-table th,.meta-table td{text-align:left;padding:14px 20px;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top}
.meta-table tr:last-child th,.meta-table tr:last-child td{border-bottom:0}
.meta-table th{width:38%;font-weight:700;color:var(--ink-mute);font-size:13px}
.meta-table td{color:var(--navy);font-weight:600}
.id-grid .legal-grid{grid-template-columns:1fr}
.id-grid .lg b{font-size:14.5px;line-height:1.5}

/* catalog filters */
.filters{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:40px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip-f{font:700 13.5px/1 var(--sans);padding:11px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-soft);cursor:pointer;display:inline-flex;gap:8px;align-items:center;transition:.2s}
.chip-f em{font-style:normal;font-size:11.5px;background:var(--sky);color:var(--blue-deep);padding:3px 7px;border-radius:999px}
.chip-f:hover{border-color:var(--blue);color:var(--blue)}
.chip-f.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip-f.on em{background:rgba(255,255,255,.15);color:#fff}
.search{position:relative;display:block;min-width:280px}
.search input{width:100%;font:500 14.5px var(--sans);padding:12px 16px 12px 42px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink)}
.search input:focus{outline:2px solid var(--blue-mid);outline-offset:1px}
.ico-s{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--ink-mute)}
.ico-s svg{width:18px;height:18px}
.empty-f{padding:40px;text-align:center;color:var(--ink-soft);background:var(--sky-2);border-radius:16px}

/* book detail */
.book-detail{display:grid;grid-template-columns:360px 1fr;gap:64px;align-items:start}
.bd-cover{position:sticky;top:110px}
.bd-info h1{font-size:clamp(28px,3.4vw,40px);margin:14px 0 8px}
.bd-sub{font:500 18px/1.5 var(--serif);font-style:italic;color:var(--ink-soft)}
.bd-author{margin-top:10px;font-weight:700;color:var(--blue)}
.bd-info .meta-table{margin:26px 0 30px;border:1px solid var(--line);border-radius:14px;overflow:hidden;border-collapse:separate;border-spacing:0}
.bd-h{font-size:22px;margin:0 0 12px}
.bd-p{font-size:16.5px;line-height:1.85;color:var(--ink);margin-bottom:14px}
.get{margin-top:30px;padding:26px;border-radius:18px;background:var(--sky-2);border:1px solid var(--line)}
.get p{font-size:15px}
.get .acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.back{display:inline-flex;gap:8px;align-items:center;margin-top:26px;font-weight:700;font-size:14px}
.back svg{width:16px;height:16px}

/* kirim naskah */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.box{padding:32px}
.box:hover{transform:none}
.box h3{font-size:21px;margin-bottom:14px}
.ticks{list-style:none;display:grid;gap:11px}
.ticks li{position:relative;padding-left:28px;font-size:14.5px;color:var(--ink-soft);line-height:1.6}
.ticks li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;border-radius:50%;background:var(--sky) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23146C94' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/11px no-repeat}
.submit{background:linear-gradient(160deg,#fff,var(--sky-2))}
.acts{display:flex;gap:10px;flex-wrap:wrap}

/* kebijakan */
.policy{display:grid;grid-template-columns:260px 1fr;gap:64px;align-items:start}
.toc{position:sticky;top:110px;display:grid;gap:4px;padding:22px;border-radius:16px;background:var(--sky-2);border:1px solid var(--line)}
.toc b{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:8px}
.toc a{font-size:14px;font-weight:600;color:var(--ink-soft);padding:6px 0}
.toc a:hover{color:var(--blue)}
.pol{padding-bottom:30px;margin-bottom:30px;border-bottom:1px solid var(--line);scroll-margin-top:110px}
.pol h2{font-size:24px;display:flex;gap:14px;align-items:baseline;margin-bottom:14px}
.pol h2 span{font:600 15px/1 var(--sans);color:var(--sand)}
.pol p{font-size:16px;line-height:1.85;color:var(--ink);margin-bottom:12px}

@media (max-width:1100px){
  .steps{grid-template-columns:repeat(3,1fr)}
  .step:not(:last-child)::after{display:none}
  .svc-grid.four{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  .p-hero-grid{grid-template-columns:1fr;padding-top:60px;padding-bottom:70px}
  .p-hero-books{height:330px;max-width:420px;width:100%;margin:0 auto}
  .p-hero-books .stack{width:170px}
  .trust,.prof,.id-grid,.two-col,.policy{grid-template-columns:1fr;gap:36px}
  .book-detail{grid-template-columns:1fr;gap:36px}
  .bd-cover{position:static;max-width:300px}
  .toc{position:static}
  .top-parent{display:none}
}
@media (max-width:640px){
  .steps,.svc-grid.four{grid-template-columns:1fr}
  .book-grid{grid-template-columns:repeat(2,1fr);gap:26px 16px}
  .bk-face{padding:14px 10px 10px 16px}.bk-title{font-size:15px}.bk-author{font-size:10px}.bk-pub{font-size:7.5px;margin-top:10px}
  .bk-big .bk-face{padding:24px 18px 16px 26px}.bk-big .bk-title{font-size:24px}
  .bc-body h3{font-size:15.5px}
  .search{min-width:0;width:100%}
  .meta-table th,.meta-table td{padding:12px 14px;font-size:13.5px}
  .box,.vm-box{padding:24px}
}