/* =============================================================================
   CipherVertex Inc. — Landing / Front-Door experience
   Loaded AFTER styles.css. Reuses the design tokens; adds the immersive
   audience-router hero, the "choose your world" selector, and the
   contained-data canvas. Brand-cohesive accent shifts per audience.
   ========================================================================== */

/* Per-audience accent — drives the title gradient, active tile, and CTA.
   Kept inside the cool brand spectrum so morphs feel responsive, not jarring. */
.lander-hero { --accent: var(--teal); --accent-soft: rgba(3,186,229,0.16); }
.lander-hero[data-world="legal"]   { --accent: #6c7cff; --accent-soft: rgba(108,124,255,0.18); }
.lander-hero[data-world="health"]  { --accent: #16d6c1; --accent-soft: rgba(22,214,193,0.18); }
.lander-hero[data-world="industry"]{ --accent: #36a3ff; --accent-soft: rgba(54,163,255,0.18); }
.lander-hero[data-world="explore"] { --accent: #9a8cff; --accent-soft: rgba(154,140,255,0.18); }

/* ----------------------------------------------------------------------------
   Immersive hero
   -------------------------------------------------------------------------- */
.lander-hero {
  position: relative;
  min-height: calc(100vh - 4.6rem);
  min-height: calc(100svh - 4.6rem);
  display: flex;
  align-items: center;
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
  overflow: hidden;
}
.lander-hero__bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.field-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0.9; }
.lander-hero .hero__grid { opacity: 0.5; -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%); mask-image: radial-gradient(80% 70% at 50% 40%, #000 0%, transparent 78%); }
.lander-hero .glow { animation: drift 16s var(--ease) infinite alternate; }
.lander-hero .glow--teal { background: radial-gradient(circle, var(--accent-soft), transparent 65%); right: -120px; top: -80px; opacity: 0.8; transition: background 600ms var(--ease); }
.lander-hero .glow--indigo { left: -160px; bottom: -180px; }

@keyframes drift { from { transform: translate3d(0,0,0); } to { transform: translate3d(0,26px,0) scale(1.06); } }

.lander-hero__inner { position: relative; z-index: 1; width: 100%; max-width: 980px; margin-inline: auto; text-align: center; }

/* Morphing copy block */
.lander-hero__copy { transition: opacity 360ms var(--ease), transform 360ms var(--ease); }
.lander-hero__copy.is-swapping { opacity: 0; transform: translateY(10px); }

.lander-hero .eyebrow { justify-content: center; margin-bottom: 1.4rem; color: var(--accent); transition: color 360ms var(--ease); }
.lander-hero .eyebrow::before { background: linear-gradient(90deg, transparent, var(--accent)); }

.lander-title { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.026em; line-height: 1.03; font-size: clamp(2.5rem, 6.4vw, 4.7rem); }
.lander-title__a, .lander-title__b { display: block; }
.accent-text {
  background: linear-gradient(104deg, #d7e8ff 0%, var(--accent) 72%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
  transition: background 360ms var(--ease);
}
.lander-sub { margin: 1.5rem auto 0; max-width: 56ch; font-size: clamp(1.05rem, 1.6vw, 1.32rem); color: var(--text); }

.lander-cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; margin-top: 2.2rem; }
.btn--accent { background: var(--accent); color: #04121b; box-shadow: 0 12px 36px -14px var(--accent); transition: background 360ms var(--ease), transform var(--transition), box-shadow var(--transition); }
.btn--accent:hover { filter: brightness(1.08); transform: translateY(-1px); }

/* ----------------------------------------------------------------------------
   "Choose your world" selector
   -------------------------------------------------------------------------- */
.world-picker { margin-top: clamp(2.4rem, 5vw, 3.4rem); }
.world-picker__label {
  display: flex; align-items: center; justify-content: center; gap: 1rem;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-mu); margin-bottom: 1.3rem;
}
.world-picker__label::before, .world-picker__label::after { content: ""; height: 1px; width: clamp(1.5rem, 8vw, 4.5rem); background: linear-gradient(90deg, transparent, var(--line-2)); }
.world-picker__label::after { background: linear-gradient(90deg, var(--line-2), transparent); }

.world-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(0.7rem, 1.4vw, 1rem); }
@media (max-width: 720px) { .world-grid { grid-template-columns: repeat(2, 1fr); } }

.world {
  display: flex; flex-direction: column; align-items: center; gap: 0.7rem;
  padding: 1.5rem 1rem 1.35rem;
  background: rgba(255,255,255,0.018);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  color: var(--text);
  text-align: center;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition);
}
.world:hover, .world:focus-visible { transform: translateY(-4px); border-color: var(--accent); background: var(--accent-soft); }
.world:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.world.is-active { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px var(--accent), 0 18px 50px -22px var(--accent); }
.world__ico {
  width: 3rem; height: 3rem; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--line-2);
  background: rgba(255,255,255,0.03); color: var(--accent);
  transition: color var(--transition), border-color var(--transition);
}
.world.is-active .world__ico, .world:hover .world__ico { border-color: var(--accent); }
.world__ico svg { width: 1.6rem; height: 1.6rem; }
.world__name { font-family: var(--font-display); font-weight: 600; font-size: 1.02rem; color: var(--text-hi); letter-spacing: -0.01em; }
.world__tag { font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-mu); }

.lander-hint { margin-top: 1.5rem; font-size: 0.84rem; color: var(--text-faint); }
.lander-hint kbd { font-family: var(--font-mono); font-size: 0.78rem; color: var(--text-mu); background: rgba(255,255,255,0.04); border: 1px solid var(--line-2); border-radius: 5px; padding: 0.05rem 0.4rem; }

/* Scroll cue */
.scroll-cue { position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%); z-index: 1; display: grid; place-items: center; gap: 0.4rem; color: var(--text-faint); font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.18em; text-transform: uppercase; }
.scroll-cue svg { width: 1.1rem; height: 1.1rem; animation: bob 1.8s var(--ease) infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ----------------------------------------------------------------------------
   "Choose your path" handoff section
   -------------------------------------------------------------------------- */
.paths { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1rem, 2.5vw, 1.6rem); }
@media (max-width: 760px) { .paths { grid-template-columns: 1fr; } }

.path-card {
  position: relative; display: flex; flex-direction: column;
  padding: clamp(1.8rem, 3vw, 2.6rem);
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-xl);
  box-shadow: var(--shadow-1); overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.path-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.path-card--primary { background: linear-gradient(180deg, rgba(3,186,229,0.07), var(--panel-2)); border-color: rgba(3,186,229,0.32); }
.path-card--primary:hover { border-color: rgba(3,186,229,0.5); box-shadow: var(--glow-soft); }
.path-card__tag { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.path-card h3 { font-family: var(--font-display); font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: var(--text-hi); letter-spacing: -0.02em; margin-bottom: 0.8rem; }
.path-card p { color: var(--text); margin-bottom: 1.1rem; }
.path-card .audience { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; color: var(--text-mu); margin-bottom: 1.6rem; display: flex; align-items: center; gap: 0.5rem; }
.path-card .audience::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.path-card .btn { margin-top: auto; align-self: flex-start; }

/* Centered variant of the shared trust strip */
.hero__trust--center { justify-content: center; }

/* ----------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .lander-hero .glow, .scroll-cue svg { animation: none; }
  .lander-hero__copy { transition: none; }
}