/* =============================================
   KIZA — trail.css + extras
   Trail page dark hero + cross-page components
   ============================================= */

/* ── TRAIL HERO (dark) ── */
.trail-hero {
  position: relative; min-height: 92vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 130px 52px 100px; overflow: hidden;
  background: var(--navy);
  color: var(--white);
}
.trail-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(44, 95, 138, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 95, 138, 0.12) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}
.trail-hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 120px; background: linear-gradient(transparent, var(--navy));
  pointer-events: none;
}
.trail-hero-content { position: relative; z-index: 2; max-width: 720px; }
.trail-hero-eyebrow {
  display: flex; align-items: center; gap: 10px; margin-bottom: 28px;
  font-family: var(--font-mono); font-size: 0.68rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.trail-hero-title {
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 10vw, 10rem);
  font-weight: 900; line-height: 0.95; color: var(--white);
  margin-bottom: 28px; display: flex; flex-direction: column;
}
.trail-hero-title .italic { font-style: italic; color: rgba(100,160,220,0.9); }
.trail-hero-sub {
  font-size: 1.02rem; color: rgba(255,255,255,0.6);
  line-height: 1.75; margin-bottom: 40px; max-width: 520px;
}
.trail-hero-cta { display: flex; gap: 16px; flex-wrap: wrap; position: relative; z-index: 2; }
.btn-trail-ghost {
  display: inline-flex; align-items: center; padding: 13px 30px;
  background: transparent; color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.25);
  font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  transition: border-color 0.22s, color 0.22s;
}
.btn-trail-ghost:hover { border-color: rgba(255,255,255,0.6); color: var(--white); }

.trail-hero-stats {
  position: absolute; bottom: 52px; right: 52px;
  display: flex; align-items: center; gap: 28px; z-index: 2;
}
.trail-stat { text-align: right; }
.trail-stat-num {
  display: block; font-family: var(--font-display);
  font-size: 2rem; font-weight: 700; color: rgba(100,160,220,0.9); line-height: 1;
}
.trail-stat-label {
  display: block; font-family: var(--font-mono); font-size: 0.58rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); margin-top: 4px;
}
.trail-stat-sep { width: 1px; height: 36px; background: rgba(255,255,255,0.15); }

/* ── UTMB CARD ── */
.utmb-card {
  background: var(--bg); border: 1px solid var(--border);
  padding: 40px;
}
.utmb-card-header { margin-bottom: 28px; }
.utmb-facts {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 36px;
}
.utmb-fact {}
.utmb-fact-num {
  display: block; font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700; color: var(--blue); line-height: 1;
}
.utmb-fact-label {
  display: block; font-family: var(--font-mono); font-size: 0.58rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-top: 4px;
}

/* ── TRAIL-BOOK BRIDGE ── */
.trail-book-bridge { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.tbb-right { display: flex; flex-direction: column; gap: 2px; }
.tbb-card {
  padding: 32px 36px; position: relative;
}
.tbb-trail { background: var(--bg-soft); border-left: 3px solid var(--blue); }
.tbb-book  { background: var(--bg-mid); border-left: 3px solid #5a3c9a; }
.tbb-label {
  display: block; font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px;
}
.tbb-book .tbb-label { color: #5a3c9a; }
.tbb-card p { font-size: 0.9rem; color: var(--slate); line-height: 1.65; }
.tbb-arrow {
  width: 20px; height: 20px; color: var(--muted);
  margin-top: 12px;
}

/* ── PROJECT LIST ITEMS (apps page) ── */
.projects-list { display: flex; flex-direction: column; border-top: 1px solid var(--border); }
.project-list-item {
  display: grid; grid-template-columns: 1fr auto;
  gap: 40px; padding: 40px 0; border-bottom: 1px solid var(--border);
  align-items: center;
  transition: background 0.22s;
}
.project-list-item:hover { background: rgba(44,95,138,0.03); }
.pli-left { max-width: 580px; }
.pli-left h3 {
  font-family: var(--font-display); font-size: 1.8rem;
  font-weight: 700; color: var(--navy); margin-bottom: 12px; margin-top: 4px;
}
.pli-left p { font-size: 0.92rem; color: var(--slate); line-height: 1.7; }
.pli-right { flex-shrink: 0; }
.pli-icon {
  width: 72px; height: 72px; color: var(--blue); opacity: 0.4;
}
.pli-icon svg { width: 100%; height: 100%; }

/* ── TIANDAO VISION FUTURE CARD ── */
.vision-future-card {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 36px;
  display: flex; flex-direction: column; gap: 0;
}
.vf-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 0; border-bottom: 1px solid var(--border);
}
.vf-item:last-child { border-bottom: none; padding-bottom: 0; }
.vf-num {
  font-family: var(--font-mono); font-size: 1rem;
  color: var(--blue); flex-shrink: 0; margin-top: 2px;
}
.vf-item strong { display: block; color: var(--navy); font-weight: 500; margin-bottom: 4px; }
.vf-item p { font-size: 0.86rem; color: var(--muted); line-height: 1.6; }

/* ── LIVRES TRAIL-BOOK VISUAL ── */
.trail-book-visual {
  display: flex; flex-direction: column; gap: 0;
}
.tbv-card {
  background: var(--bg-soft); border: 1px solid var(--border);
  padding: 36px;
}
.tbv-tag {
  display: block; font-family: var(--font-mono); font-size: 0.62rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 12px;
}
.tbv-text { font-size: 0.9rem; color: var(--slate); line-height: 1.65; }
.tbv-divider {
  width: 100%; height: 1px; background: var(--border); margin: 28px 0;
}

/* ── RESPONSIVE TRAIL ── */
@media (max-width: 960px) {
  .trail-hero { padding: 110px 24px 80px; }
  .trail-hero-stats { display: none; }
  .trail-book-bridge { grid-template-columns: 1fr; gap: 40px; }
  .project-list-item { grid-template-columns: 1fr; }
  .pli-right { display: none; }
}