/* Niluk Publishing - minimalist, modern, responsive */

:root{
  /* Palette derived from logo */
  --bg: #f7f6f2;
  --surface: #ffffff;
  --surface-2: #f3f5f7;
  --ink: #152a44;         /* deep navy */
  --ink-2: #2b425f;       /* slate navy */
  --muted: #6b778a;
  --border: rgba(21, 42, 68, 0.12);
  --shadow: 0 10px 30px rgba(21, 42, 68, 0.10);
  --accent: #d6b35a;      /* warm gold */
  --accent-2: #c59b34;

  --radius: 16px;
  --radius-sm: 12px;
  --container: 1100px;

  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --font-serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Garamond, Georgia, serif;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  background: radial-gradient(1200px 600px at 50% -200px, rgba(214,179,90,0.14), transparent 60%), var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

img{ max-width: 100%; height: auto; display: block; }
a{ color: inherit; text-decoration: none; }

.container{
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.skip-link{
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  transform: translateY(-200%);
  transition: transform 120ms ease;
  z-index: 1000;
}
.skip-link:focus{ transform: translateY(0); }

.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand img{
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.brand .name{
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
}
.brand .name strong{
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand .name span{
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav{
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav a{
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
}
.nav a:hover{
  background: rgba(21, 42, 68, 0.06);
}
.nav a[aria-current="page"]{
  background: rgba(214,179,90,0.18);
  border-color: rgba(214,179,90,0.40);
  color: var(--ink);
}

main{
  padding: clamp(26px, 4vw, 42px) 0 56px;
}

.hero{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.8), rgba(255,255,255,0.68));
  box-shadow: 0 18px 60px rgba(21, 42, 68, 0.06);
}
.hero h1{
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 750;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 3.6vw, 44px);
}
.hero p{
  margin: 0 0 16px;
  color: var(--ink-2);
  max-width: 60ch;
}
.hero .actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.button{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: 0 8px 22px rgba(21, 42, 68, 0.08);
  font-weight: 700;
  font-size: 14px;
}
.button.primary{
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 90%, white), var(--accent-2));
  border-color: rgba(214,179,90,0.55);
  color: #132238;
}
.button:hover{ transform: translateY(-1px); }
.button:active{ transform: translateY(0); }

.hero-card{
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(21,42,68,0.92), rgba(21,42,68,0.82));
  color: #f7f9fc;
  border: 1px solid rgba(255,255,255,0.14);
  padding: 18px;
}
.hero-card .kicker{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.78);
}
.dot{
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(214,179,90,0.18);
}
.hero-card .stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.stat{
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
}
.stat strong{
  display: block;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.stat span{ color: rgba(255,255,255,0.72); font-size: 13px; }

.page-title{
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 18px;
}
.page-title h1{
  font-family: var(--font-serif);
  margin: 0;
  font-size: clamp(26px, 3vw, 36px);
}
.page-title p{
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.toolbar{
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 10px;
  margin: 16px 0 16px;
}
.field{
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label{
  font-size: 12px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.control{
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--ink);
  outline: none;
}
.control:focus{
  border-color: rgba(214,179,90,0.75);
  box-shadow: 0 0 0 4px rgba(214,179,90,0.18);
}

.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.card{
  grid-column: span 4;
  background: linear-gradient(180deg, rgba(255,255,255,0.85), rgba(255,255,255,0.72));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 18px 60px rgba(21, 42, 68, 0.06);
  overflow: hidden;
}

.card-body{
  padding: 14px 14px 16px;
}
.card h3{
  margin: 0 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.meta{
  color: var(--muted);
  font-size: 13px;
}

.cover{
  aspect-ratio: 3 / 4;
  width: 100%;
  background: #0f2238;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  display: grid;
  place-items: center;
}
.cover img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.book-row{
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0 0;
  border-top: 1px dashed rgba(21, 42, 68, 0.16);
  margin-top: 10px;
}
.book-row:first-of-type{
  border-top: none;
  margin-top: 0;
  padding-top: 0;
}
.book-row .title{
  font-weight: 700;
  font-size: 14px;
}
.book-row .sub{
  color: var(--muted);
  font-size: 12px;
}
.pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(214,179,90,0.16);
  border: 1px solid rgba(214,179,90,0.36);
  font-weight: 800;
  font-size: 12px;
  color: var(--ink);
  white-space: nowrap;
}

.empty{
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.65);
  color: var(--muted);
}

.site-footer{
  border-top: 1px solid var(--border);
  padding: 20px 0;
  color: var(--muted);
  font-size: 13px;
}
.site-footer strong{
  color: var(--ink-2);
}

@media (max-width: 920px){
  .hero{ grid-template-columns: 1fr; }
  .card{ grid-column: span 6; }
}
@media (max-width: 640px){
  .header-inner{ padding: 12px 0; }
  .brand .name span{ display: none; }
  .nav a{ padding: 10px 10px; }
  .toolbar{ grid-template-columns: 1fr; }
  .card{ grid-column: span 12; }
}

@media (prefers-reduced-motion: reduce){
  .button{ transition: none; }
  .button:hover,.button:active{ transform: none; }
}