/* Home + section grid */
.section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.section--cream { background: var(--cream); }
.section--paper { background: var(--paper); }
.section--navy { background: var(--navy); color: #fff; }

/* ─── Section cards grid (3×3) — with imagery ─── */
.sec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.sec-card {
  background: var(--paper);
  border: 1px solid var(--line);
  position: relative;
  display: flex; flex-direction: column;
  transition: 0.3s ease;
  color: var(--ink);
  overflow: hidden;
}
.sec-card::after {
  content: ""; position: absolute;
  inset-inline-start: 0; inset-block-start: 0;
  width: 4px; height: 0;
  background: var(--gold);
  transition: height 0.35s ease;
  z-index: 4;
}
.sec-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}
.sec-card:hover::after { height: 100%; }
.sec-card:hover .sec-card__media { background-size: 108%; }
.sec-card:hover .sec-card__media::before { opacity: 0.5; }

.sec-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--navy-2) center / cover no-repeat;
  background-size: 100%;
  overflow: hidden;
  border-block-end: 1px solid var(--line);
  transition: background-size .5s ease;
}
.sec-card__media::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,31,58,0.15) 0%, rgba(11,31,58,0.78) 100%);
  transition: opacity 0.3s;
  opacity: 0.8;
}
.sec-card__icon {
  position: absolute;
  inset-block-end: 16px; inset-inline-start: 16px;
  width: 52px; height: 52px;
  color: var(--gold-2);
  display: grid; place-items: center;
  background: var(--navy-deep);
  border: 1px solid var(--gold);
  z-index: 2;
}
.sec-card__icon svg { width: 30px; height: 30px; }
.sec-card__count {
  position: absolute;
  inset-block-start: 16px; inset-inline-end: 16px;
  background: var(--gold);
  color: var(--navy);
  padding: 5px 12px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  z-index: 2;
}
.sec-card__body {
  padding: 1.6rem 1.6rem 1.8rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  flex: 1;
}
.sec-card__title { font-size: 1.25rem; font-weight: 800; margin: 0; color: var(--navy); }
.sec-card__desc { color: var(--muted); font-size: 0.92rem; margin: 0; line-height: 1.7; flex: 1; }
.sec-card__cta {
  display: inline-flex; align-items: center; gap: 0.55rem;
  color: var(--gold); font-weight: 700; font-size: 0.88rem;
  margin-block-start: 0.4rem;
  letter-spacing: 0.04em;
  padding-block-start: 0.85rem;
  border-block-start: 1px solid var(--line);
}
.sec-card__arrow svg { width: 16px; height: 16px; }

/* dark variant for the navy home (v2) */
.sec-grid--dark .sec-card { background: var(--navy-2); color: #fff; border-color: var(--line); }
.sec-grid--dark .sec-card__title { color: #fff; }
.sec-grid--dark .sec-card__desc { color: rgba(255,255,255,0.65); }
.sec-grid--dark .sec-card__cta { border-color: var(--line); }

/* ─── Why us ─── */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.why-card {
  padding: 2.5rem 2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  text-align: start;
  position: relative;
  transition: 0.25s;
}
.why-card:hover { border-color: var(--gold); box-shadow: var(--shadow-md); }
.why-card__num {
  font-family: var(--ff-en); font-style: italic;
  color: var(--gold); font-size: 3.5rem; line-height: 1;
  font-weight: 500; opacity: 0.85;
}
.why-card__icon {
  position: absolute; inset-inline-end: 1.5rem; inset-block-start: 1.5rem;
  color: var(--gold); opacity: 0.4;
}
.why-card__icon svg { width: 32px; height: 32px; }
.why-card h3 { font-size: 1.3rem; font-weight: 800; margin: 1rem 0 0.6rem; color: var(--navy); }
.why-card p { color: var(--muted); margin: 0; line-height: 1.7; }

/* ─── CTA strip ─── */
.cta-strip {
  background: var(--gold);
  color: var(--navy);
  padding: 1.6rem 0;
  position: relative;
  overflow: hidden;
}
.cta-strip::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(11,31,58,0.06) 22px 23px);
  pointer-events: none;
}
.cta-strip__inner { display: flex; justify-content: space-between; gap: 2rem; align-items: center; position: relative; }
.cta-strip h2 { margin: 0; font-size: 1.6rem; font-weight: 800; }
.cta-strip p { margin: 0.3rem 0 0; opacity: 0.85; }

/* ─── Catalog download ─── */
.catalog {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center;
}
.catalog__visual {
  position: relative;
  height: 460px;
  background: var(--navy) center/cover;
  background-image: linear-gradient(rgba(7,21,41,0.85), rgba(7,21,41,0.85)), var(--catalog-bg, url("https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1200&q=70"));
  display: grid; place-items: center;
  border: 1px solid var(--line);
  overflow: hidden;
}
.catalog__visual::before, .catalog__visual::after {
  content: "";
  position: absolute;
  width: 80px; height: 80px;
  border: 1px solid var(--gold);
  opacity: 0.5;
}
.catalog__visual::before { inset-block-start: 16px; inset-inline-start: 16px; border-right: none; border-bottom: none; }
.catalog__visual::after { inset-block-end: 16px; inset-inline-end: 16px; border-left: none; border-top: none; }

.catalog__book {
  width: 240px; height: 320px;
  background: linear-gradient(135deg, var(--navy-3), var(--navy-2));
  border: 1px solid var(--gold);
  position: relative;
  box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; padding: 1.8rem;
  color: #fff;
}
.catalog__book::before {
  content: ""; position: absolute;
  inset-inline-start: 6px; inset-block: 6px;
  inset-inline-end: -10px;
  background: var(--navy-3);
  z-index: -1;
  border: 1px solid var(--line);
}
.catalog__book-mark {
  width: 42px; height: 42px;
  border: 1px solid var(--gold);
  display: grid; place-items: center;
  color: var(--gold); font-family: var(--ff-en); font-weight: 600;
  font-size: 0.95rem;
}
.catalog__book-title { font-size: 1.25rem; font-weight: 800; margin-block: auto 0.3rem; line-height: 1.3; }
.catalog__book-tag { font-family: var(--ff-en); font-style: italic; color: var(--gold-2); font-size: 0.82rem; letter-spacing: 0.06em; }
.catalog__book-year { color: var(--gold-2); font-family: var(--ff-en); font-size: 2.6rem; font-weight: 600; line-height: 1; margin-block-start: 1.4rem; }
.catalog__btn { padding: 1.1rem 2rem; font-size: 1rem; margin-block-start: 1.5rem; }
.catalog__btn svg { width: 22px; height: 22px; }
.catalog__note { color: var(--muted-2); font-size: 0.85rem; margin-block-start: 1rem; display: inline-flex; gap: 0.6rem; align-items: center; }

/* ─── Variant strip (mockup-review only) ─── */
.variant-strip {
  background: #1A1A1A; color: #fff;
  padding: 0.6rem 0; font-size: 0.78rem;
  letter-spacing: 0.06em; font-family: var(--ff-en-ui);
}
.variant-strip__inner { display: flex; gap: 1rem; align-items: center; justify-content: center; flex-wrap: wrap; }
.variant-strip a {
  padding: 0.3rem 0.8rem; border: 1px solid #444;
  opacity: 0.7; transition: 0.2s;
}
.variant-strip a:hover { opacity: 1; border-color: var(--gold); color: var(--gold-2); }
.variant-strip a.is-active { background: var(--gold); color: var(--navy); border-color: var(--gold); opacity: 1; }
.variant-strip__label { opacity: 0.5; text-transform: uppercase; }

@media (max-width: 960px) {
  .sec-grid, .why-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog { grid-template-columns: 1fr; gap: 2rem; }
  .cta-strip__inner { flex-direction: column; text-align: center; }
}
@media (max-width: 620px) {
  .sec-grid, .why-grid { grid-template-columns: 1fr; }
}