/* ===========================================================
   landing.css — fullscreen landing screen
   =========================================================== */

/*.landing {*/
/*  position: relative;*/
/*  min-height: 100vh;*/
/*  min-height: 100dvh;*/
/*  display: flex;*/
/*  align-items: center;*/
/*  justify-content: center;*/
/*  overflow: hidden;*/
/*  background: var(--color-bg);*/
/*  transition: opacity var(--dur-med) var(--ease-standard),*/
/*              transform var(--dur-med) var(--ease-standard);*/
/*}*/

/*.landing.is-leaving {*/
/*  opacity: 0;*/
/*  transform: scale(0.98);*/
/*  pointer-events: none;*/
/*}*/

/* ---------- Background video ---------- */
/*.landing-video-layer {*/
/*  position: absolute;*/
/*  inset: 0;*/
/*  z-index: 0;*/
/*}*/

/*.landing-video {*/
/*  width: 100%;*/
/*  height: 100%;*/
/*  object-fit: cover;*/
/*  filter: blur(2px) saturate(0.9) brightness(0.75);*/
/*  opacity: 0.55;*/
/*  transform: scale(1.04);*/
/*  transition: opacity var(--dur-video-fade) var(--ease-standard),*/
/*              filter var(--dur-slow) var(--ease-standard);*/
/*}*/

/*.landing-video.is-switching {*/
/*  opacity: 0;*/
/*}*/

/*.landing-video-overlay {*/
/*  position: absolute;*/
/*  inset: 0;*/
/*  background:*/
/*    radial-gradient(ellipse at 50% 30%, rgba(11,13,16,0.35) 0%, rgba(11,13,16,0.85) 65%, rgba(11,13,16,0.97) 100%),*/
/*    linear-gradient(180deg, rgba(11,13,16,0.6) 0%, rgba(11,13,16,0.4) 40%, rgba(11,13,16,0.9) 100%);*/
/*}*/

/* ---------- Content ---------- */
/*.landing-content {*/
/*  position: relative;*/
/*  z-index: 1;*/
/*  width: 100%;*/
/*  max-width: 720px;*/
/*  padding: var(--space-4);*/
/*  display: flex;*/
/*  flex-direction: column;*/
/*  align-items: center;*/
/*  text-align: center;*/
/*  gap: var(--space-6);*/
/*}*/

/*.landing-header {*/
/*  display: flex;*/
/*  flex-direction: column;*/
/*  align-items: center;*/
/*  gap: var(--space-3);*/
/*}*/

/*.landing-eyebrow {*/
/*  font-family: var(--font-mono);*/
/*  font-size: var(--fs-micro);*/
/*  letter-spacing: 0.25em;*/
/*  text-transform: uppercase;*/
/*  color: var(--color-muted);*/
/*}*/

/*.landing-title {*/
/*  font-size: var(--fs-hero);*/
/*  letter-spacing: -0.02em;*/
/*  color: var(--color-text);*/
/*}*/

/*.landing-subtitle {*/
/*  font-size: var(--fs-body);*/
/*  color: var(--color-muted);*/
/*  max-width: 440px;*/
/*}*/

/* ---------- Choices + trace ---------- */
/*.landing-choices {*/
/*  position: relative;*/
/*  width: 100%;*/
/*  display: flex;*/
/*  align-items: flex-end;*/
/*  justify-content: center;*/
/*  gap: var(--space-5);*/
/*  padding-top: var(--space-6);*/
/*}*/

/*.landing-trace {*/
/*  position: absolute;*/
/*  top: calc(-1 * var(--space-6));*/
/*  left: 0;*/
/*  width: 100%;*/
/*  height: calc(var(--space-6) + 30px);*/
/*  overflow: visible;*/
/*  pointer-events: none;*/
/*}*/

/*.trace-path {*/
/*  fill: none;*/
/*  stroke: var(--color-hairline-strong);*/
/*  stroke-width: 1.5;*/
/*  transition: stroke var(--dur-med) var(--ease-standard),*/
/*              stroke-width var(--dur-med) var(--ease-standard);*/
/*}*/

/*.trace-fork.is-active {*/
/*  stroke: var(--accent-current);*/
/*  stroke-width: 2;*/
/*}*/

/*.trace-pulse {*/
/*  fill: var(--color-text);*/
/*  offset-path: path('M200,0 L200,60');*/
/*  animation: trace-travel 2.6s var(--ease-standard) infinite;*/
/*}*/

/*.choice-divider {*/
/*  width: 1px;*/
/*  height: 56px;*/
/*  background: var(--color-hairline);*/
/*  align-self: center;*/
/*}*/

/*.choice {*/
/*  position: relative;*/
/*  display: flex;*/
/*  flex-direction: column;*/
/*  align-items: center;*/
/*  gap: var(--space-2);*/
/*  padding: var(--space-3) var(--space-4);*/
/*  border-radius: var(--radius-md);*/
/*  transition: transform var(--dur-fast) var(--ease-standard),*/
/*              opacity var(--dur-fast) var(--ease-standard);*/
/*}*/

/*.choice-index {*/
/*  font-family: var(--font-mono);*/
/*  font-size: var(--fs-micro);*/
/*  color: var(--color-muted);*/
/*  letter-spacing: 0.1em;*/
/*}*/

/*.choice-label {*/
/*  font-family: var(--font-display);*/
/*  font-size: clamp(1.5rem, 2.2vw + 1rem, 2.25rem);*/
/*  font-weight: 600;*/
/*  color: var(--color-text);*/
/*  transition: color var(--dur-fast) var(--ease-standard);*/
/*}*/

/*.choice-sub {*/
/*  font-family: var(--font-mono);*/
/*  font-size: var(--fs-micro);*/
/*  color: var(--color-muted);*/
/*  opacity: 0;*/
/*  transform: translateY(-4px);*/
/*  transition: opacity var(--dur-fast) var(--ease-standard),*/
/*              transform var(--dur-fast) var(--ease-standard);*/
/*}*/

/* dim the un-hovered sibling when one choice is active */
/*.landing-choices.has-active .choice:not(.is-active) {*/
/*  opacity: 0.4;*/
/*}*/

/*.choice.is-active {*/
/*  transform: translateY(-4px);*/
/*}*/

/*.choice.is-active .choice-label {*/
/*  color: var(--accent-current);*/
/*}*/

/*.choice.is-active .choice-sub {*/
/*  opacity: 1;*/
/*  transform: translateY(0);*/
/*}*/

/*.landing-hint {*/
/*  font-family: var(--font-mono);*/
/*  font-size: var(--fs-micro);*/
/*  color: var(--color-muted);*/
/*  opacity: 0.7;*/
/*}*/

/* ---------- Responsive ---------- */
/*@media (max-width: 640px) {*/
/*  .landing-content { gap: var(--space-5); padding: var(--space-3); }*/
/*  .landing-choices { gap: var(--space-3); }*/
/*  .choice { padding: var(--space-2); }*/
/*  .choice-divider { height: 40px; }*/
/*  .landing-title { font-size: clamp(1.75rem, 7vw, 2.5rem); }*/
/*}*/

/*@media (prefers-reduced-motion: reduce) {*/
/*  .trace-pulse { animation: none; opacity: 0; }*/
/*}*/





/* ===========================================================
   landing.css — fullscreen landing screen
   =========================================================== */

.landing {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-bg);
  transition: opacity var(--dur-med) var(--ease-standard),
              transform var(--dur-med) var(--ease-standard);
}

.landing.is-leaving {
  opacity: 0;
  transform: scale(0.98);
  pointer-events: none;
}

/* ---------- Background video ---------- */
.landing-video-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.landing-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: blur(2px) saturate(0.9) brightness(0.75);
  opacity: 0.55;
  transform: scale(1.04);
  transition: opacity var(--dur-video-fade) var(--ease-standard),
              filter var(--dur-slow) var(--ease-standard);
}

.landing-video.is-switching {
  opacity: 0;
}

.landing-video-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(11,13,16,0.35) 0%, rgba(11,13,16,0.85) 65%, rgba(11,13,16,0.97) 100%),
    linear-gradient(180deg, rgba(11,13,16,0.6) 0%, rgba(11,13,16,0.4) 40%, rgba(11,13,16,0.9) 100%);
}

/* ---------- Content ---------- */
.landing-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 720px;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
}

.landing-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.landing-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  transition: color var(--dur-fast) var(--ease-standard);
}

.landing-eyebrow:hover,
.landing-eyebrow:focus-visible {
  color: var(--color-text);
}

.landing-title {
  font-size: var(--fs-hero);
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.landing-subtitle {
  font-size: var(--fs-body);
  color: var(--color-muted);
  max-width: 440px;
}

/* ---------- Choices + trace ---------- */
.landing-choices {
  position: relative;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: var(--space-5);
  padding-top: var(--space-6);
}

.landing-trace {
  position: absolute;
  top: calc(-1 * var(--space-6));
  left: 0;
  width: 100%;
  height: calc(var(--space-6) + 30px);
  overflow: visible;
  pointer-events: none;
}

.trace-path {
  fill: none;
  stroke: var(--color-hairline-strong);
  stroke-width: 1.5;
  transition: stroke var(--dur-med) var(--ease-standard),
              stroke-width var(--dur-med) var(--ease-standard);
}

.trace-fork.is-active {
  stroke: var(--accent-current);
  stroke-width: 2;
}

.trace-pulse {
  fill: var(--color-text);
  offset-path: path('M200,0 L200,60');
  animation: trace-travel 2.6s var(--ease-standard) infinite;
}

.choice-divider {
  width: 1px;
  height: 56px;
  background: var(--color-hairline);
  align-self: center;
}

.choice {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  transition: transform var(--dur-fast) var(--ease-standard),
              opacity var(--dur-fast) var(--ease-standard);
}

.choice-index {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--color-muted);
  letter-spacing: 0.1em;
}

.choice-label {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.2vw + 1rem, 2.25rem);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--dur-fast) var(--ease-standard);
}

.choice-sub {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--color-muted);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur-fast) var(--ease-standard),
              transform var(--dur-fast) var(--ease-standard);
}

/* dim the un-hovered sibling when one choice is active */
.landing-choices.has-active .choice:not(.is-active) {
  opacity: 0.4;
}

.choice.is-active {
  transform: translateY(-4px);
}

.choice.is-active .choice-label {
  color: var(--accent-current);
}

.choice.is-active .choice-sub {
  opacity: 1;
  transform: translateY(0);
}

.landing-hint {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: var(--color-muted);
  opacity: 0.7;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .landing-content { gap: var(--space-5); padding: var(--space-3); }
  .landing-choices { gap: var(--space-3); }
  .choice { padding: var(--space-2); }
  .choice-divider { height: 40px; }
  .landing-title { font-size: clamp(1.75rem, 7vw, 2.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  .trace-pulse { animation: none; opacity: 0; }
}