/* ==========================================================================
   Page-specific composition
   ========================================================================== */

/* ---------------------------------------------------------------------
   Homepage hero visual — signals -> engine -> recommendation
   --------------------------------------------------------------------- */
.hero-visual {
  position: relative;
  border-radius: var(--radius-xl);
  background: var(--gradient-navy);
  padding: var(--space-8);
  min-height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-5);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 78% 18%, rgba(135,117,212,0.35), transparent 55%);
  pointer-events: none;
}
.hero-visual__row {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1fr 1.15fr;
  gap: var(--space-4);
  align-items: center;
  z-index: 1;
}
@media (max-width: 640px) {
  .hero-visual__row { grid-template-columns: 1fr; }
}
.hero-visual__signals { display: flex; flex-direction: column; gap: var(--space-2); }
.hero-visual__signal {
  font-size: var(--fs-2xs);
  font-weight: var(--fw-medium);
  color: #fff;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--color-border-on-dark);
  border-radius: var(--radius-pill);
  padding: var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.hero-visual__signal::before {
  content: "";
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--color-green-400, var(--color-green-500));
}

.hero-visual__engine {
  text-align: center;
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(14,225,86,0.35);
  box-shadow: 0 0 60px rgba(14,225,86,0.12);
}
.hero-visual__engine .label { font-size: var(--fs-2xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--color-green-300); font-weight: var(--fw-semibold); margin-bottom: var(--space-3); }
.hero-visual__engine .loop-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: center; }
.hero-visual__engine .loop-tags span {
  font-size: var(--fs-2xs); color: #fff; background: rgba(255,255,255,0.08);
  padding: 4px 10px; border-radius: var(--radius-pill);
}

.hero-visual__output {
  border-radius: var(--radius-md);
  background: #fff;
  padding: var(--space-5);
  box-shadow: var(--shadow-lg);
}
.hero-visual__output .tag { font-size: var(--fs-2xs); font-weight: var(--fw-semibold); color: var(--color-orange-600); text-transform: uppercase; letter-spacing: var(--tracking-wide); margin-bottom: var(--space-2); display: block; }
.hero-visual__output .headline { font-size: var(--fs-sm); font-weight: var(--fw-semibold); margin-bottom: var(--space-4); }
.hero-visual__output .row { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--space-3); }
.hero-visual__output .row .l { font-size: var(--fs-2xs); color: var(--color-text-muted); }
.hero-visual__output .row .v { font-size: var(--fs-md); font-weight: var(--fw-bold); color: var(--color-green-700); }
.hero-visual__output .why { font-size: var(--fs-2xs); color: var(--color-text-muted); border-top: 1px dashed var(--color-ink-200); padding-top: var(--space-3); line-height: var(--lh-relaxed); }

.hero-visual__caption {
  position: relative; z-index: 1;
  font-size: var(--fs-2xs);
  color: var(--color-text-on-dark-muted);
  text-align: center;
}

@media (max-width: 640px) {
  .hero-visual { min-height: auto; }
}

/* ---------------------------------------------------------------------
   Fragmented systems illustration (Problem section)
   --------------------------------------------------------------------- */
.fragments {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 640px) { .fragments { grid-template-columns: repeat(2, 1fr); } }
.fragment-tile {
  border: 1px solid var(--color-ink-100);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: #fff;
  text-align: center;
  position: relative;
}
.fragment-tile .icon { width: 30px; height: 30px; margin: 0 auto var(--space-3); color: var(--color-ink-500); }
.fragment-tile .icon svg { width: 100%; height: 100%; }
.fragment-tile .t { font-size: var(--fs-xs); font-weight: var(--fw-semibold); }
.fragment-tile .frag {
  position: absolute; inset: 0;
  border-radius: var(--radius-md);
  border: 1.5px dashed var(--color-orange-400);
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}
.fragment-tile:hover .frag { opacity: 1; }

/* ---------------------------------------------------------------------
   Explainability comparison (traditional AI vs Tillii)
   --------------------------------------------------------------------- */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}
@media (max-width: 780px) { .compare { grid-template-columns: 1fr; } }
.compare-card {
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.compare-card--old {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border-on-dark);
}
.compare-card--tillii {
  background: rgba(14,225,86,0.08);
  border: 1px solid rgba(14,225,86,0.4);
}
.compare-card .label { font-size: var(--fs-2xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); font-weight: var(--fw-semibold); margin-bottom: var(--space-5); }
.compare-card--old .label { color: var(--color-ink-300); }
.compare-card--tillii .label { color: var(--color-green-300); }
.compare-card .item { padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border-on-dark); font-size: var(--fs-sm); color: #fff; }
.compare-card .item:last-child { border-bottom: none; }
.compare-card .item .k { font-size: var(--fs-2xs); color: var(--color-text-on-dark-muted); display: block; margin-bottom: 2px; }

/* ---------------------------------------------------------------------
   Expansion path (hospitality -> retail -> leisure -> services)
   --------------------------------------------------------------------- */
.expansion-path { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.expansion-path .step {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-pill);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
}
.expansion-path .step.active { background: var(--color-orange-500); color: #fff; }
.expansion-path .step.future { border: 1.5px dashed var(--color-ink-200); color: var(--color-text-muted); }
.expansion-path .arrow { color: var(--color-ink-300); }
.expansion-path .arrow svg { width: 18px; height: 18px; }

/* ---------------------------------------------------------------------
   Architecture stack (Platform page)
   --------------------------------------------------------------------- */
.arch-stack { display: flex; flex-direction: column; gap: 0; }
.arch-stage {
  padding: var(--space-6);
  border: 1px solid var(--color-ink-100);
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: 60px 1fr 2fr;
  gap: var(--space-5);
  align-items: center;
  background: #fff;
}
.arch-stage + .arch-stage { margin-top: var(--space-4); }
.arch-stage__num { font-size: var(--fs-lg); font-weight: var(--fw-bold); color: var(--color-ink-200); }
.arch-stage__title { font-size: var(--fs-md); font-weight: var(--fw-semibold); }
.arch-stage__desc { font-size: var(--fs-sm); color: var(--color-text-muted); }
@media (max-width: 700px) {
  .arch-stage { grid-template-columns: 1fr; text-align: left; gap: var(--space-2); }
}

/* ---------------------------------------------------------------------
   How It Works — six stage scroll experience
   --------------------------------------------------------------------- */
.hiw-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding-block: var(--space-16);
  border-top: 1px solid var(--color-ink-100);
}
.hiw-stage:first-child { border-top: none; padding-top: 0; }
.hiw-stage:nth-child(even) .hiw-stage__visual { order: -1; }
@media (max-width: 860px) {
  .hiw-stage { grid-template-columns: 1fr; gap: var(--space-6); }
  .hiw-stage:nth-child(even) .hiw-stage__visual { order: 0; }
}
.hiw-stage__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-navy-900); color: #fff;
  font-weight: var(--fw-bold); font-size: var(--fs-md);
  margin-bottom: var(--space-5);
}
.hiw-stage__visual {
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-ink-100);
  padding: var(--space-8);
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------------------------
   Team cards (About page)
   --------------------------------------------------------------------- */
.team-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-ink-100);
  background: #fff;
}
.team-card__avatar {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--gradient-signal);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: var(--fw-bold); font-size: var(--fs-lg);
  margin-bottom: var(--space-5);
}
.team-card h3 { font-size: var(--fs-md); margin-bottom: 2px; }
.team-card .role { font-size: var(--fs-xs); color: var(--color-accent-text); font-weight: var(--fw-semibold); margin-bottom: var(--space-4); }
.team-card p { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------------------------------------------------------------------
   Contact / pilot page layout
   --------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.contact-panel {
  border-radius: var(--radius-lg);
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-ink-100);
  padding: var(--space-8);
  position: sticky;
  top: calc(var(--header-height) + var(--space-8));
}
.contact-panel .item { display: flex; gap: var(--space-4); padding-block: var(--space-4); border-top: 1px solid var(--color-ink-100); }
.contact-panel .item:first-of-type { border-top: none; }
.contact-panel .item svg { width: 20px; height: 20px; color: var(--color-orange-600); flex-shrink: 0; margin-top: 2px; }
.contact-panel .item h5 { font-size: var(--fs-sm); margin-bottom: 2px; }
.contact-panel .item p { font-size: var(--fs-xs); color: var(--color-text-muted); }

.route-tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-8); border-bottom: 1px solid var(--color-ink-100); }
.route-tabs button {
  padding: var(--space-4) var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  border-bottom: 2.5px solid transparent;
  margin-right: var(--space-6);
}
.route-tabs button[aria-selected="true"] { color: var(--color-ink-900); border-color: var(--color-orange-500); }
.route-panel { display: none; }
.route-panel[data-active="true"] { display: block; animation: fadeUp var(--duration-slow) var(--ease-out); }

/* ---------------------------------------------------------------------
   Icon utility (inline svg sizing)
   --------------------------------------------------------------------- */
.icon-24 { width: 24px; height: 24px; }
.icon-32 { width: 32px; height: 32px; }