/* ==========================================================================
   Lampos — Book series / Grade 1 Suite
   Series landing (/catalog/series/{slug}/), catalog banner, book-page badge + strip.
   Uses the theme tokens from main.css (indigo / gold / crimson, Fraunces / Source Sans 3).
   ========================================================================== */

/* ---------- Cover fan (decorative stack of covers) ---------- */
.suite-fan { --w: 27%; --spread: 44%; --tilt: 6deg; position: relative; aspect-ratio: 1.5 / 1; width: 100%; isolation: isolate; }
.suite-fan__item {
  position: absolute; left: 50%; bottom: 4%; width: var(--w);
  transform-origin: 50% 140%;
  transform: translateX(-50%) translateX(calc((var(--i) - (var(--n) - 1) / 2) * var(--spread))) rotate(calc((var(--i) - (var(--n) - 1) / 2) * var(--tilt)));
  transition: transform .35s ease;
}
.suite-fan__item:nth-child(1), .suite-fan__item:nth-child(5) { z-index: 1; }
.suite-fan__item:nth-child(2), .suite-fan__item:nth-child(4) { z-index: 2; }
.suite-fan__item:nth-child(3) { z-index: 3; }
.suite-fan__item .cover { box-shadow: inset 6px 0 0 rgba(0,0,0,.18), 0 18px 34px -14px rgba(5,11,41,.7); }
/* Hover only lifts the stack, so it never grows past its box. */
.suite-fan:hover .suite-fan__item { transform: translateX(-50%) translateX(calc((var(--i) - (var(--n) - 1) / 2) * var(--spread))) rotate(calc((var(--i) - (var(--n) - 1) / 2) * var(--tilt))) translateY(-6px); }

/* ---------- Series landing: hero ---------- */
.suite-hero { position: relative; overflow: hidden; color: var(--cream-100);
  background: radial-gradient(60% 80% at 85% 30%, rgba(227,184,90,.22), transparent 60%), radial-gradient(50% 60% at 0% 100%, rgba(189,51,80,.28), transparent 60%), var(--indigo-900); }
.suite-hero::before { content: ""; position: absolute; inset: 0; background: url("../img/pattern-weave.svg"); background-size: 52px; opacity: .35;
  mask-image: linear-gradient(90deg, transparent 20%, #000 75%); -webkit-mask-image: linear-gradient(90deg, transparent 20%, #000 75%); }
.suite-hero::after { content: "1"; position: absolute; right: -2rem; top: -6rem; font-family: var(--font-display); font-weight: 700; font-size: 34rem; line-height: 1;
  color: transparent; -webkit-text-stroke: 2px rgba(227,184,90,.16); pointer-events: none; }
.suite-hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding-block: clamp(2.25rem, 5vw, 4.25rem); }
.suite-hero .breadcrumb { color: var(--cream-200); grid-column: 1 / -1; margin-bottom: -.5rem; }
.suite-hero .eyebrow { color: var(--gold-400); }
.suite-hero h1 { color: var(--cream-50); font-size: clamp(2.5rem, 6vw, 4.4rem); line-height: 1.02; margin: 0 0 1rem; letter-spacing: -.01em; }
.suite-hero__lead { color: var(--cream-200); font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.6; max-width: 56ch; margin: 0 0 1.5rem; }
.suite-stats { list-style: none; padding: 0; margin: 0 0 1.75rem; display: flex; flex-wrap: wrap; gap: .6rem; }
.suite-stats li { display: inline-flex; align-items: baseline; gap: .45rem; padding: .5rem .95rem; border-radius: 999px; background: rgba(253,249,240,.08); border: 1px solid rgba(227,184,90,.35); font-size: .95rem; color: var(--cream-100); }
.suite-stats strong { font-family: var(--font-display); font-size: 1.35rem; color: var(--gold-400); line-height: 1; }
.suite-hero .btn-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.suite-fan--hero { max-width: 560px; margin-inline: auto; aspect-ratio: 1.8 / 1; }

/* ---------- Series landing: subject cards ---------- */
.suite-subjects .section-head p { color: var(--muted); }
.suite-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.suite-card { position: relative; background: var(--white); border: 1px solid var(--line); border-radius: calc(var(--radius) * 1.2); padding: 1.6rem 1.4rem 1.4rem; box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow .25s, transform .25s; }
.suite-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 10px; background: url("../img/band.svg") repeat-x center / auto 10px; }
.suite-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.suite-card__head { display: grid; grid-template-columns: auto 1fr auto; gap: .85rem; align-items: center; margin-bottom: 1.2rem; }
.suite-card__icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--indigo-800); color: var(--gold-400); box-shadow: 0 0 0 4px var(--cream-100); }
.suite-card:nth-child(3n+2) .suite-card__icon { background: var(--crimson-600); color: var(--cream-50); }
.suite-card:nth-child(3n) .suite-card__icon { background: var(--gold-500); color: var(--indigo-950); }
.suite-card__icon svg { width: 22px; height: 22px; }
.suite-card__subject { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--crimson-600); }
.suite-card__name { margin: .15rem 0 0; font-size: 1.22rem; line-height: 1.2; color: var(--indigo-900); }
.suite-card__num { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; line-height: 1; color: var(--gold-200); align-self: start; }
.suite-card__books { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.suite-book { display: flex; flex-direction: column; gap: .4rem; text-decoration: none; color: var(--ink); }
.suite-book .cover { transition: transform .3s ease, box-shadow .3s ease; }
.suite-book:hover .cover, .suite-book:focus-visible .cover { transform: translateY(-5px) rotate(-1.2deg); box-shadow: inset 6px 0 0 rgba(0,0,0,.18), var(--shadow-lg); }
.suite-book__role { align-self: flex-start; margin-top: .45rem; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: .22rem .6rem; border-radius: 99px; background: var(--indigo-100); color: var(--indigo-800); }
.suite-book:nth-child(2) .suite-book__role { background: var(--gold-200); color: #5a4210; }
.suite-book__title { font-size: .9rem; font-weight: 600; line-height: 1.35; color: var(--indigo-900); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.suite-book:hover .suite-book__title { color: var(--crimson-600); text-decoration: underline; text-underline-offset: 2px; }
.suite-book__isbn { font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.suite-card--cta { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: .25rem; background: var(--indigo-900); color: var(--cream-100); border-color: transparent; }
.suite-card--cta::after { content: ""; position: absolute; inset: 0; background: url("../img/pattern-weave.svg"); background-size: 44px; opacity: .25; pointer-events: none; }
.suite-card--cta > * { position: relative; z-index: 1; }
.suite-card--cta .eyebrow { color: var(--gold-400); margin-bottom: .4rem; }
.suite-card--cta h3 { color: var(--cream-50); font-size: 1.7rem; margin: 0; }
.suite-card--cta p { color: var(--cream-200); margin: .35rem 0 1.1rem; }
.suite-card--cta:hover { transform: none; }

/* ---------- Series landing: closing CTA ---------- */
.suite-cta { grid-template-columns: 220px 1fr auto; }
.suite-fan--cta { width: 220px; }

/* ---------- Catalog: featured series banner ---------- */
.suite-banner-wrap { margin-bottom: 2rem; }
.suite-banner { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.2fr 1fr; gap: 1.5rem; align-items: center;
  padding: clamp(1.5rem, 3.5vw, 2.4rem) clamp(1.5rem, 3.5vw, 2.6rem) calc(clamp(1.5rem, 3.5vw, 2.4rem) + 14px);
  border-radius: calc(var(--radius) * 1.6); color: var(--cream-100); box-shadow: var(--shadow);
  background: radial-gradient(70% 120% at 100% 0%, rgba(227,184,90,.28), transparent 60%), radial-gradient(60% 90% at 0% 100%, rgba(189,51,80,.3), transparent 60%), var(--indigo-900); }
.suite-banner::before { content: ""; position: absolute; inset: 0; background: url("../img/pattern-weave.svg"); background-size: 48px; opacity: .22; pointer-events: none; }
.suite-banner::after { content: ""; position: absolute; inset: auto 0 0; height: 14px; background: url("../img/band.svg") repeat-x center / auto 14px; }
.suite-banner > * { position: relative; z-index: 1; }
.suite-banner__flag { display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; padding: .3rem .75rem; border-radius: 99px; background: var(--crimson-600); color: var(--cream-50); margin-bottom: .8rem; }
.suite-banner h2 { margin: 0 0 .5rem; font-size: clamp(1.9rem, 3.6vw, 2.7rem); line-height: 1.05; }
.suite-banner h2 a { color: var(--cream-50); text-decoration: none; }
.suite-banner h2 a:hover { color: var(--gold-400); }
.suite-banner p { margin: 0 0 1rem; color: var(--cream-200); font-size: 1.08rem; max-width: 46ch; }
.suite-banner__subjects { list-style: none; margin: 0 0 1.35rem; padding: 0; display: flex; flex-wrap: wrap; gap: .45rem; }
.suite-banner__subjects li { font-size: .85rem; font-weight: 600; padding: .28rem .75rem; border-radius: 99px; border: 1px solid rgba(253,249,240,.3); color: var(--cream-100); }
.suite-banner .btn-row { display: flex; flex-wrap: wrap; gap: .7rem; }
.suite-fan--banner { max-width: 420px; justify-self: end; }

/* ---------- Book page: badge + strip ---------- */
.badge--suite { display: inline-flex; align-items: center; gap: .35rem; background: linear-gradient(135deg, var(--gold-500), var(--gold-400)); color: var(--indigo-950); text-decoration: none; box-shadow: 0 4px 12px -6px rgba(184,134,42,.9); }
.badge--suite svg { width: 14px; height: 14px; }
.badge--suite:hover { background: var(--indigo-800); color: var(--gold-400); }
.suite-strip { margin: 1.5rem 0; padding: 1.15rem 1.2rem 1.2rem; border-radius: var(--radius); background: linear-gradient(180deg, var(--cream-50), var(--cream-100)); border: 1px solid var(--line); position: relative; overflow: hidden; }
.suite-strip::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 6px; background: linear-gradient(180deg, var(--gold-500), var(--crimson-600)); }
.suite-strip__head { display: flex; gap: .85rem; align-items: flex-start; margin-bottom: .9rem; }
.suite-strip__icon { flex: none; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--indigo-800); color: var(--gold-400); }
.suite-strip__icon svg { width: 20px; height: 20px; }
.suite-strip h2 { font-size: 1.15rem; margin: 0 0 .15rem; color: var(--indigo-900); }
.suite-strip p { margin: 0; font-size: .95rem; color: var(--muted); }
.suite-strip__books { list-style: none; margin: 0 0 1rem; padding: .2rem .1rem .3rem; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .6rem; }
.suite-strip__pair { display: grid; grid-template-columns: 1fr 1fr; gap: .25rem; align-content: start; }
.suite-strip__book { display: block; border-radius: 4px 7px 7px 4px; outline-offset: 2px; transition: transform .2s; }
.suite-strip__book .cover { box-shadow: inset 3px 0 0 rgba(0,0,0,.18), 0 3px 8px -3px rgba(20,27,61,.45); }
.suite-strip__book:hover { transform: translateY(-3px); }
.suite-strip__book.is-current { outline: 3px solid var(--gold-500); }
.suite-strip__label { grid-column: 1 / -1; font-size: .72rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--indigo-700); text-align: center; line-height: 1.2; margin-top: .2rem; }
.suite-strip__actions { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1.1rem; }
.suite-strip__actions .btn { padding: .6rem 1.1rem; font-size: .95rem; }
.suite-strip__quote { font-weight: 700; color: var(--crimson-600); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .suite-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 960px) {
  .suite-hero__inner { grid-template-columns: 1fr; }
  .suite-fan--hero { max-width: 440px; margin-bottom: -.5rem; aspect-ratio: 1.5 / 1; }
  .suite-hero__copy { order: 2; }
  .suite-hero::after { font-size: 22rem; top: -3rem; }
  .suite-banner { grid-template-columns: 1fr; }
  .suite-fan--banner { order: -1; justify-self: center; max-width: 340px; margin-bottom: -.25rem; }
  .suite-cta { grid-template-columns: 1fr; }
  .suite-fan--cta { width: 200px; }
}
@media (max-width: 640px) {
  .suite-grid { grid-template-columns: 1fr; }
  .suite-fan { --w: 29%; --spread: 40%; --tilt: 4.5deg; }
  .suite-fan--hero { aspect-ratio: 1.75 / 1; }
  .suite-card { padding: 1.4rem 1.1rem 1.15rem; }
  .suite-hero__inner { padding-block: 1.75rem 2.25rem; }
  .suite-hero .btn-row .btn, .suite-banner .btn-row .btn { flex: 1 1 100%; }
  .suite-stats li { font-size: .88rem; padding: .42rem .8rem; }
  .suite-strip__books { grid-template-columns: repeat(5, 92px); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .5rem; }
  .suite-strip__pair { scroll-snap-align: start; }
}
@media (prefers-reduced-motion: reduce) {
  .suite-fan__item, .suite-book .cover, .suite-card, .suite-strip__book { transition: none; }
}