/* ====== Theme (Light) ====== */
:root{
    --bg: #f7f9fc;         /* light gray block */
    --surface: #ffffff;    /* white block */
    --panel: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --rule: #e8eef4;
    --accent: #22c1a1;
    --accent-2: #ffd28f;
    --radius: 14px;
    --container: 1200px;
  
    --book-w: 220px;
    --gap: 22px;
  }
  
  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: "proxima-nova", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.5;
  }
  
  .container { width: min(100%, var(--container)); margin: 0 auto; padding: 0 24px; }
  
  /* ===== Header / Nav ===== */
  header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255,255,255,.75);
    backdrop-filter: blur(8px);
    /* no borders to avoid hairlines */
  }
  .nav {
    display: flex; align-items: center; gap: 28px;
    padding: 14px 0;
  }
  .brand {
    margin-right: auto;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .95rem;
    color: var(--text);
  }
  .menu { display: flex; gap: 24px; align-items: center; }
  .menu a {
    text-decoration: none; color: #4b5563;
    text-transform: uppercase; letter-spacing: .18em; font-weight: 300; font-size: .8rem;
    transition: color .2s ease;
  }
  .menu a:hover, .menu a.active { color: var(--accent); }
  
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 18px; border-radius: 999px; border: 1px solid transparent;
    font-weight: 700; text-decoration: none; cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  }
  .btn.primary { background: var(--accent); color: #081214; }
  .btn.primary:hover { transform: translateY(-1px); box-shadow: 0 10px 18px rgba(34,193,161,.28); }
  .btn.ghost { border-color: #d5dde7; color: var(--text); background: transparent; }
  .btn.ghost:hover { border-color: var(--accent); color: var(--accent); }
  
  /* ===== Hero (solid white block, no seams) ===== */
  .hero {
    background: #ffffff;                 /* remove gradient */
    margin: 0;                           /* blocks must touch */
    border: 0;                           /* no hairline */
  }
  .hero-inner {
    display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px;
    align-items: center;
    padding: clamp(24px, 8vh, 72px) 0 56px;  /* internal spacing only */
  }
  @media (max-width: 880px){ .hero-inner { grid-template-columns: 1fr; } }
  
  .kicker { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: #0f766e; }
  .headline { font-size: clamp(2rem, 3.4vw + 1rem, 3.4rem); line-height: 1.08; margin: 10px 0 12px; font-weight: 800; letter-spacing: -.01em; }
  .lead { color: var(--muted); font-size: 1.05rem; max-width: 60ch; }
  .cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
  
  .cover-frame { width: 100%; aspect-ratio: 2/3; max-width: 440px; display: grid; place-items: center; justify-self: center; }
  .cover { width: 100%; height: 100%; object-fit: contain; object-position: center top; display: block; border-radius: 12px; }
  .no-plate { background: transparent; box-shadow: none; padding: 0; }
  
  /* ===== Featured (solid gray block, no seams) ===== */
  .featured {
    background: var(--bg);               /* light gray */
    margin: 0;                           /* TOUCH hero and cta blocks */
    padding: 48px 0 40px;
    border: 0;
  }
  .featured .rowhead { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
  .featured .rowhead h2 { margin: 0; font-size: 1rem; letter-spacing: .14em; text-transform: uppercase; color: #4b5563; font-weight: 700; }
  
  .scroller {
    display: grid; grid-auto-flow: column; grid-auto-columns: var(--book-w);
    gap: var(--gap); overflow-x: auto; padding: 6px 0 8px;
    scroll-snap-type: x mandatory;
  }
  .scroller::-webkit-scrollbar { height: 8px; }
  .scroller::-webkit-scrollbar-thumb { background: #e2e8f0; border-radius: 999px; }
  
  .card { scroll-snap-align: start; display: grid; gap: 10px; }
  .thumb {
    width: 100%; aspect-ratio: 2/3; border-radius: 12px; overflow: hidden;
    display: grid; place-items: center;
    transition: transform .15s ease, box-shadow .15s ease;
  }
  .thumb img { width: 100%; height: 100%; object-fit: contain; object-position: center top; border-radius: 8px; }
  .thumb:hover { transform: translateY(-3px); box-shadow: 0 16px 26px rgba(0,0,0,.12); }
  
  .meta { display: grid; gap: 2px; }
  .title { font-weight: 700; font-size: .98rem; }
  .author { color: var(--muted); font-size: .9rem; }
  
  /* ===== Page / Grid (other pages) ===== */
  .page { padding: 36px 0 24px; }
  .page-title { margin: 0 0 10px; font-weight: 800; letter-spacing: -.01em; }
  .page-title.bigger { font-size: clamp(2.2rem, 2.8vw + 1rem, 3.2rem); }
  
  .filters { display: flex; gap: 8px; margin: 8px 0 18px; }
  .chip {
    border: 1px solid var(--rule); background: #fff; padding: 8px 12px; border-radius: 999px; font-size: .85rem;
    color: #475569; cursor: pointer; transition: all .15s ease;
  }
  .chip:hover { border-color: var(--accent); color: var(--accent); }
  .chip.active { background: #ebfbf7; border-color: #b9f0e4; color: #0f766e; }
  
  .grid { display: grid; gap: var(--gap); grid-template-columns: repeat(3, minmax(0, 1fr)); }
  @media (max-width: 1000px){ .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
  @media (max-width: 640px){ .grid { grid-template-columns: 1fr; } }
  
  .grid-card { display: grid; gap: 10px; }
  .frame {
    width: 100%; aspect-ratio: 2/3; border-radius: 12px; overflow: hidden;
    display: grid; place-items: center; transition: transform .15s ease, box-shadow .15s ease;
  }
  .frame img { width: 100%; height: 100%; object-fit: contain; object-position: center top; border-radius: 8px; }
  
  /* ===== CTA Panel (solid white block, no seams) ===== */
  .cta-panel {
    background: #ffffff;                /* white block */
    margin: 0;                          /* TOUCH featured block */
    padding: 48px 0;
    border: 0;
  }
  .cta-panel .container { max-width: var(--container); }
  .field-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
  .field-row input[type="email"] {
    background: #fff; color: var(--text); border: 1px solid #d5dde7; border-radius: 10px; padding: 12px 14px; min-width: 260px;
  }
  .form-msg { margin-top: 10px; font-size: .95rem; color: var(--muted); }
  .form-msg.success { color: #0f766e; }
  
  /* ===== Contact page bits ===== */
  .contact-panel {
    background: #fff; border: 1px solid var(--rule); border-radius: var(--radius);
    padding: 18px 18px 22px; display: grid; gap: 14px;
  }
  .contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  @media (max-width: 640px){ .contact-form .form-row { grid-template-columns: 1fr; } }
  .contact-form input, .contact-form textarea {
    background: #fff; color: var(--text); border: 1px solid #d5dde7; border-radius: 10px; padding: 12px 14px;
  }
  
  /* ===== Footer ===== */
  footer {
    border-top: 1px solid var(--rule);
    padding: 24px 0 46px;
    color: var(--muted);
    text-align: center;
    font-size: .95rem;
  }
/* --- Hide-on-scroll header --- */
header{
  transition: transform .28s ease-in-out;
  will-change: transform;
}
header.hide{
  transform: translateY(-110%);
}