/* ALTO — The Alpine Field Manual, part 2: components, cards, detail, forms, footer, responsive */

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  font-size: 0.9rem;
  font-weight: 560;
  letter-spacing: 0.01em;
  border: 1px solid var(--ink);
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.btn svg { width: 14px; height: 14px; transition: transform 0.25s ease; }
.btn:hover svg { transform: translateX(3px); }
.btn-primary {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper-3);
}
.btn-primary:hover {
  background: var(--red-deep);
  border-color: var(--red-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(178, 58, 38, 0.22);
}
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--paper-2); transform: translateY(-1px); }
.btn-sm { padding: 10px 17px; font-size: 0.85rem; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 560;
  color: var(--red);
  border-bottom: 1px solid var(--red);
  padding-bottom: 2px;
  transition: color 0.25s ease, border-color 0.25s ease;
  white-space: nowrap;
}
.text-link svg { width: 14px; height: 14px; transition: transform 0.25s ease; }
.text-link:hover { color: var(--red-deep); border-color: var(--red-deep); }
.text-link:hover svg { transform: translateX(3px); }

/* ---------- Map-line details (CSS only) ---------- */
.map-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.map-lines::before {
  content: "";
  position: absolute;
  inset: -40%;
  background:
    repeating-linear-gradient(32deg, transparent 0 46px, rgba(28,26,21,0.05) 46px 47px),
    repeating-linear-gradient(-58deg, transparent 0 88px, rgba(178,58,38,0.04) 88px 89px);
}
.map-band {
  position: relative;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  height: 34px;
  overflow: hidden;
}
.map-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, transparent 0 55px, rgba(28,26,21,0.16) 55px 56px),
    repeating-linear-gradient(0deg, transparent 0 15px, rgba(28,26,21,0.09) 15px 16px);
}

/* ---------- Oversized route label ---------- */
.route-label {
  font-size: clamp(3.4rem, 11vw, 9rem);
  line-height: 0.88;
  letter-spacing: -0.045em;
  font-weight: 560;
  color: var(--ink);
  margin: 0;
}
.route-label .thin { color: var(--muted-2); font-weight: 400; display: inline; }

/* ---------- Hero (home) ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 60px;
  align-items: end;
  padding: 72px 0 64px;
}
.hero h1 {
  font-size: clamp(2.4rem, 4.8vw, 3.7rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-weight: 560;
  margin: 0 0 20px;
}
.lede {
  font-size: 1.06rem;
  color: var(--muted);
  max-width: 48ch;
  margin: 0 0 32px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--ink);
  background: var(--paper-2);
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; }
.figure-plate {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  background: var(--paper-3);
  border-top: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Sections & module numbering ---------- */
.section { padding: 80px 0; }
.section + .section { border-top: 1px solid var(--ink); }
.module {
  display: flex;
  align-items: baseline;
  gap: 18px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 18px;
  margin-bottom: 40px;
}
.module-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 4px 8px;
  flex-shrink: 0;
}
.module h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-weight: 560;
  margin: 0;
}
.section-head { margin-bottom: 40px; max-width: 640px; }
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  font-weight: 560;
  margin: 0 0 14px;
}
.section-head p { color: var(--muted); margin: 0; }
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}
.section-head-row h2 {
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
  letter-spacing: -0.03em;
  font-weight: 560;
  margin: 0;
}

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.xp-card {
  background: var(--paper-3);
  border: 1px solid var(--ink);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.xp-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 rgba(28, 26, 21, 0.14);
}
.xp-card > a { display: block; height: 100%; }
.card-img {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--paper-2);
  border-bottom: 1px solid var(--ink);
}
.card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.xp-card:hover .card-img img,
.jn-card:hover .card-img img { transform: scale(1.04); }
.img-tag {
  position: absolute;
  top: 0; right: 0;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--red);
  background: var(--paper-3);
  border-left: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 6px 12px;
}
.card-body { padding: 20px 22px 22px; }
.card-body h3 {
  font-size: 1.14rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--ink);
}
.card-body p {
  color: var(--muted);
  font-size: 0.91rem;
  margin: 0 0 14px;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 16px;
}
.tag-row li {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 4px 10px;
}
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 560;
  color: var(--red);
}
.card-cta svg { width: 14px; height: 14px; transition: transform 0.25s ease; }
.xp-card:hover .card-cta svg { transform: translateX(4px); }

/* ---------- Journal cards ---------- */
.journal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.journal-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.jn-card {
  background: var(--paper-3);
  border: 1px solid var(--ink);
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.jn-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 rgba(28, 26, 21, 0.14);
}
.jn-card .card-img { aspect-ratio: 4 / 3; border-bottom: 1px solid var(--ink); }
.jn-card .card-body { padding: 18px 20px 20px; }
.jn-card h3 { font-size: 1rem; line-height: 1.3; color: var(--ink); }
.jn-tag {
  display: block;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 8px;
}