/* =========================================================
   Nav, hero and cursor
   ========================================================= */

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur-2) ease, border-color var(--dur-2) ease;
}

.nav.is-scrolled {
  background: var(--nav-bg);
  border-bottom-color: var(--line);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.04em;
}

.brand__mark {
  width: 28px;
  height: 28px;
  color: var(--accent);
}

.brand__name span {
  color: var(--text-faint);
}

.nav__primary {
  position: relative;
}

.nav__links {
  display: none;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__link {
  display: block;
  padding: 0.5em 0.75em;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--dur-1) ease;
}

.nav__link:hover,
.nav__link[aria-current="true"] {
  color: var(--text);
}

.nav__link-num {
  color: var(--text-faint);
  margin-right: 0.35em;
  transition: color var(--dur-1) ease;
}

.nav__link[aria-current="true"] .nav__link-num {
  color: var(--accent-text);
}

/* Sliding active-section indicator */
.nav__indicator {
  position: absolute;
  bottom: -2px;
  left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 12px var(--accent-glow);
  opacity: 0;
  transition: transform var(--dur-3) var(--ease-out), width var(--dur-3) var(--ease-out), opacity var(--dur-2) ease;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--dur-1) ease, border-color var(--dur-1) ease;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.theme-toggle .icon-sun,
[data-theme="light"] .theme-toggle .icon-moon {
  display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
  display: block;
}

/* Mobile menu */
.nav__menu-btn .icon-close {
  display: none;
}

.nav.is-open .nav__menu-btn .icon-close {
  display: block;
}

.nav.is-open .nav__menu-btn .icon-menu {
  display: none;
}

.mobile-menu {
  position: fixed;
  inset: var(--nav-h) 0 0;
  z-index: 49;
  padding: var(--space-6) var(--gutter);
  background: var(--bg);
  border-top: 1px solid var(--line);
  overflow-y: auto;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-1);
}

.mobile-menu a {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line);
  font-size: var(--step-2);
  font-weight: 500;
  text-decoration: none;
}

.mobile-menu a span {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--accent-text);
}

.mobile-menu a[aria-current="true"] {
  color: var(--accent-text);
}

@media (min-width: 960px) {
  .nav__links {
    display: flex;
  }
  .nav__menu-btn,
  .mobile-menu {
    display: none !important;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  display: grid;
  align-items: center;
  padding-block: calc(var(--nav-h) + var(--space-7)) var(--space-8);
  overflow: hidden;
}

/* Map grid with fading edges */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 45%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 45%, #000 30%, transparent 85%);
}

.hero__contours {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  mask-image: radial-gradient(ellipse 90% 80% at 65% 45%, #000 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 65% 45%, #000 25%, transparent 80%);
}

.hero__inner {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 960px) {
  .hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-7);
  }
}

.hero__copy {
  display: grid;
  gap: var(--space-5);
  justify-items: start;
}

.hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-5);
}

/* Name with scramble-decode */
.hero__name {
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
}

.hero__name-line {
  display: block;
}

.hero__name-line + .hero__name-line {
  color: var(--text-muted);
}

.hero__name .word {
  display: inline-block;
  white-space: nowrap;
}

.hero__name .ch {
  position: relative;
  display: inline-block;
}

.hero__name .ch.is-scrambling {
  color: transparent;
}

.hero__name .ch.is-scrambling::after {
  content: attr(data-g);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--signal);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.78em;
}

.hero__name .ch.is-hidden {
  opacity: 0;
}

.hero__name .ch.is-done {
  animation: settle 500ms var(--ease-out);
}

@keyframes settle {
  from {
    color: var(--accent);
  }
}

/* Rotating role line */
.hero__role {
  display: flex;
  align-items: center;
  gap: 0.6em;
  min-height: 1.6em;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--signal-text);
}

.hero__role-prompt {
  color: var(--text-faint);
}

/* Reduced motion: all roles shown at once instead of typed */
.hero__role.is-static {
  align-items: baseline;
  font-size: var(--step-0);
}

.hero__role.is-static .hero__caret {
  display: none;
}

.hero__caret {
  display: inline-block;
  width: 0.6ch;
  height: 1.15em;
  margin-left: 0.1ch;
  background: var(--accent);
  vertical-align: text-bottom;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__caret {
    animation: blink 1s steps(1) infinite;
  }
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero__headline {
  max-width: 36rem;
  color: var(--text-muted);
  font-size: var(--step-1);
  line-height: 1.5;
}

.hero__headline strong {
  color: var(--text);
  font-weight: 500;
}

.hero__ctas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  width: 100%;
  margin-top: var(--space-2);
}

.hero__ctas .btn--primary {
  grid-column: 1 / -1;
}

@media (min-width: 480px) {
  .hero__ctas {
    display: flex;
    flex-wrap: wrap;
    width: auto;
  }
}

/* Entrance stagger for hero pieces */
.js .hero [data-enter] {
  opacity: 0;
  transform: translateY(14px);
}

.js .hero.is-ready [data-enter] {
  opacity: 1;
  transform: none;
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: calc(var(--enter-i, 0) * 110ms + 250ms);
}

@media (prefers-reduced-motion: reduce) {
  .js .hero [data-enter] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Radar panel ---------- */
.radar-panel {
  justify-self: center;
  width: min(100%, 440px);
  display: grid;
  gap: var(--space-4);
}

.radar {
  position: relative;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--signal-soft) 0%, transparent 70%);
}

.radar__rings {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--line-strong);
  overflow: visible;
}

.radar__sweep {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  /* Leading edge sits at 0deg (12 o'clock); the trail fades behind it */
  background: conic-gradient(from 0deg, transparent 0deg 290deg, var(--accent-soft) 330deg, var(--accent-glow) 359.5deg, transparent 360deg);
  opacity: 0.7;
}

@media (prefers-reduced-motion: no-preference) {
  .radar__sweep {
    animation: sweep var(--sweep-dur) linear infinite;
  }
}

@keyframes sweep {
  to {
    transform: rotate(360deg);
  }
}

.radar__blips {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blip {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
}

.blip__link {
  position: relative;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  text-decoration: none;
  border-radius: 50%;
}

.blip__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  opacity: 0.55;
}

.blip--flagship .blip__dot {
  width: 11px;
  height: 11px;
  background: var(--alert);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--alert) 22%, transparent);
}

@media (prefers-reduced-motion: no-preference) {
  .blip__dot {
    animation: blip-hit var(--sweep-dur) linear infinite;
    animation-delay: var(--hit);
    animation-fill-mode: backwards;
  }
}

/* Bright the moment the sweep passes, then decay */
@keyframes blip-hit {
  0% {
    opacity: 1;
    transform: scale(1.5);
  }
  25% {
    opacity: 0.75;
    transform: scale(1);
  }
  100% {
    opacity: 0.4;
    transform: scale(1);
  }
}

.blip__label {
  position: absolute;
  left: calc(50% + 12px);
  top: 50%;
  transform: translateY(-50%);
  padding: 0.15em 0.5em;
  border-left: 1px solid var(--accent);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color var(--dur-1) ease;
}

.blip--left .blip__label {
  left: auto;
  right: calc(50% + 12px);
  border-left: 0;
  border-right: 1px solid var(--accent);
}

.blip__link:hover .blip__label,
.blip__link:focus-visible .blip__label {
  color: var(--text);
}

.blip__link:hover .blip__dot,
.blip__link:focus-visible .blip__dot {
  opacity: 1;
}

.radar__center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

/* Readout table under the radar */
.readout {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--step--2);
}

.readout__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  margin: 0;
  padding: 0;
  list-style: none;
}

.readout__tags li {
  padding: 0.15em 0.55em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--bg-raised);
  white-space: nowrap;
}

.readout__row {
  display: grid;
  grid-template-columns: 12ch 1fr;
  align-items: baseline;
  gap: var(--space-4);
  padding: 0.55em 0;
  border-bottom: 1px solid var(--line);
}

.readout dt {
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

.readout dd {
  margin: 0;
  color: var(--text);
}

/* Scroll cue */
.hero__cue {
  position: absolute;
  left: 50%;
  bottom: var(--space-5);
  transform: translateX(-50%);
  display: none;
  align-items: center;
  gap: 0.75em;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.hero__cue-line {
  position: relative;
  width: 1px;
  height: 28px;
  background: var(--line-strong);
  overflow: hidden;
}

.hero__cue-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--accent);
  transform: translateY(-100%);
}

@media (prefers-reduced-motion: no-preference) {
  .hero__cue-line::after {
    animation: cue 2s var(--ease-in-out) infinite;
  }
}

@keyframes cue {
  to {
    transform: translateY(100%);
  }
}

@media (min-width: 960px) and (min-height: 760px) {
  .hero__cue {
    display: inline-flex;
  }
}

/* Mobile: keep the radar compact */
@media (max-width: 959px) {
  .radar-panel {
    width: min(100%, 360px);
  }
}

/* ---------- Custom cursor (desktop, fine pointer only) ---------- */
.cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 200;
  width: 34px;
  height: 34px;
  margin: -17px 0 0 -17px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--dur-2) ease, width var(--dur-2) var(--ease-out), height var(--dur-2) var(--ease-out),
    margin var(--dur-2) var(--ease-out), background-color var(--dur-2) ease, border-color var(--dur-2) ease;
}

.cursor-ring.is-active {
  opacity: 0.6;
}

.cursor-ring.is-hovering {
  width: 56px;
  height: 56px;
  margin: -28px 0 0 -28px;
  background: var(--accent-soft);
  opacity: 0.9;
}

.cursor-ring.is-down {
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
}