/* ==============================================================
   planeopen — landing page
   aesthetic: aviation operations center / tactical radar display
   ============================================================== */

:root {
  /* layered darks */
  --bg-0: #06080a;
  --bg-1: #0b1015;
  --bg-2: #11181f;
  --bg-3: #1a2330;

  /* lines */
  --line-1: #1a242e;
  --line-2: #2a3744;
  --line-3: #3d4e5e;

  /* text */
  --text-1: #ecedea;
  --text-2: #a6aea7;
  --text-3: #6a7269;
  --text-4: #424b44;

  /* accents */
  --rad-green: #6cf0a3;
  --rad-green-dim: #2c6e44;
  --rad-green-shadow: rgba(108, 240, 163, 0.45);
  --amber: #ffb84d;
  --amber-dim: #8a5e22;
  --amber-shadow: rgba(255, 184, 77, 0.45);
  --warning: #ff6b3d;

  /* type */
  --font-display: "Big Shoulders Display", "Impact", "Arial Narrow Bold", sans-serif;
  --font-mono: "IBM Plex Mono", "Consolas", "Menlo", monospace;
}

/* ============================== reset ============================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;

  /* very faint navigation grid backdrop */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

/* subtle scanline fixed overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(255, 255, 255, 0.014) 2px,
    rgba(255, 255, 255, 0.014) 3px
  );
  z-index: 200;
  mix-blend-mode: overlay;
}

::selection {
  background: var(--rad-green);
  color: var(--bg-0);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
}

/* ============================== top bar ============================== */
.topbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  padding: 16px 28px;
  /* float over the hero so the pills sit on the night sky bg */
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  background: transparent;
}
/* each section becomes a floating pill (default state, top of page) */
.topbar-cell {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(11, 16, 21, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  transition:
    padding 0.32s ease,
    border-radius 0.32s ease,
    background 0.32s ease,
    border-color 0.32s ease;
}
.topbar-right {
  padding: 6px 18px;
}

/* on scroll: pills collapse into a single 100dvw fixed bar */
.topbar.is-scrolled {
  position: fixed;
  width: 100dvw;
  top: 0;
  left: 0;
  padding: 10px 28px;
  background: rgba(6, 8, 10, 0.92);
  backdrop-filter: saturate(140%) blur(18px);
  -webkit-backdrop-filter: saturate(140%) blur(18px);
  border-bottom: 1px solid var(--line-2);
  transition: background 0.32s ease, padding 0.32s ease;
}
.topbar.is-scrolled .topbar-cell {
  background: transparent;
  border-color: transparent;
  border-radius: 0;
  padding: 0;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
.topbar.is-scrolled .topbar-logo {
  height: 36px;
  transition: height 0.32s ease;
}

/* hamburger (mobile-only) */
.topbar-burger {
  display: none;
  width: 44px;
  height: 44px;
  padding: 12px 10px;
  flex-direction: column;
  justify-content: space-between;
  align-items: stretch;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(11, 16, 21, 0.82);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  cursor: pointer;
  transition: background 0.2s ease;
}
.topbar-burger:hover {
  background: rgba(11, 16, 21, 0.95);
}
.topbar-burger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-1);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
.topbar-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.topbar-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.topbar-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* mobile drawer */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(6, 8, 10, 0.96);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  display: flex;
  flex-direction: column;
  padding: 100px 28px 40px;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.mobile-menu[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu-nav a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 36px;
  letter-spacing: -0.012em;
  color: var(--text-1);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-1);
  transition: color 0.15s ease, padding-left 0.2s ease;
  text-transform: uppercase;
}
.mobile-menu-nav a:hover {
  color: var(--rad-green);
  padding-left: 8px;
}
.mobile-menu-meta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  text-transform: uppercase;
}
.mm-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.mm-row a {
  color: var(--rad-green);
  text-transform: lowercase;
  letter-spacing: 0.02em;
}
.topbar-left {
  justify-self: start;
}
.topbar-right {
  justify-self: end;
  font-family: var(--font-mono);
}
.topbar-nav {
  justify-self: center;
  gap: 28px;
}
.topbar-nav a {
  color: var(--text-2);
  transition: color 0.2s ease;
}
.topbar-nav a:hover {
  color: var(--rad-green);
}
.topbar-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 0.15s ease;
}
.topbar-logo-link:hover {
  opacity: 0.8;
}
.topbar-logo {
  display: block;
  height: 60px;
  width: auto;
}
.topbar-clock-block {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-left: 14px;
  margin-left: 4px;
  border-left: 1px solid var(--line-2);
}

.topbar-brand {
  color: var(--text-1);
  letter-spacing: 0.06em;
}
.topbar-sep {
  color: var(--line-3);
}
.topbar-mut {
  color: var(--text-3);
}
.topbar-by {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-left: 14px;
  margin-left: 4px;
  border-left: 1px solid var(--line-2);
  color: var(--text-3);
  font-size: 10px;
  letter-spacing: 0.14em;
}
.topbar-by a {
  color: var(--rad-green);
  text-transform: lowercase;
  letter-spacing: 0.02em;
  transition: color 0.15s ease;
}
.topbar-by a:hover {
  color: var(--text-1);
}
.topbar-clock {
  color: var(--rad-green);
  letter-spacing: 0.06em;
  min-width: 88px;
  display: inline-block;
  text-align: right;
}
.signal-dot {
  width: 8px;
  height: 8px;
  background: var(--rad-green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--rad-green-shadow);
  animation: pulse 1.6s ease-in-out infinite;
}

/* ============================== hero ============================== */
.hero {
  position: relative;
  border-bottom: 1px solid var(--line-1);
  overflow: hidden;
  background:
    /* faint horizon glow at the bottom of the hero */
    radial-gradient(ellipse 80% 50% at 50% 110%, rgba(108, 240, 163, 0.06) 0%, transparent 60%),
    /* high-altitude blue tint at the top */
    linear-gradient(180deg, rgba(18, 32, 52, 0.55) 0%, rgba(8, 12, 18, 0) 45%),
    var(--bg-0);
}

/* night sky stars */
.hero-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* loose brand mark on the night sky — clouds (z-index 1) drift over it */
.hero-logo {
  position: absolute;
  top: 6px;
  right: 28px;
  z-index: 0;
  display: block;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.hero-logo:hover {
  opacity: 0.85;
}
.hero-logo img {
  display: block;
  height: 64px;
  width: auto;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.4));
}

/* high-altitude wisps behind the topbar pills (only visible at the top of the
   page; they scroll away with the hero when the topbar collapses).        */
.hero-clouds {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 280px;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}
.cloud {
  position: absolute;
  pointer-events: none;
  filter: blur(28px);
}
/* puff = round-ish, "stratus" feel */
.cloud--puff {
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    rgba(195, 215, 235, 0.32) 0%,
    rgba(170, 195, 220, 0.18) 35%,
    rgba(150, 175, 200, 0.06) 60%,
    transparent 80%
  );
}
/* wisp = long & thin, "cirrus" feel */
.cloud--wisp {
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(210, 225, 240, 0.22) 25%,
    rgba(230, 240, 250, 0.32) 50%,
    rgba(210, 225, 240, 0.22) 75%,
    transparent 100%
  );
  filter: blur(12px);
}

.cloud--1 {
  top: 18px;
  left: -8%;
  width: 420px;
  height: 150px;
  animation: cloud-drift 90s linear infinite;
}
.cloud--2 {
  top: 70px;
  left: 18%;
  width: 520px;
  height: 32px;
  animation: cloud-drift 110s linear infinite;
  animation-delay: -38s;
}
.cloud--3 {
  top: 10px;
  left: 46%;
  width: 360px;
  height: 130px;
  animation: cloud-drift 78s linear infinite;
  animation-delay: -55s;
  opacity: 0.95;
}
.cloud--4 {
  top: 118px;
  left: 58%;
  width: 600px;
  height: 28px;
  animation: cloud-drift 130s linear infinite;
  animation-delay: -80s;
}
.cloud--5 {
  top: 46px;
  left: 76%;
  width: 340px;
  height: 120px;
  animation: cloud-drift 100s linear infinite;
  animation-delay: -22s;
  opacity: 0.9;
}

@keyframes cloud-drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(140vw);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cloud {
    animation: none !important;
  }
}
.star {
  position: absolute;
  background: #ffffff;
  border-radius: 50%;
  animation: twinkle 4s ease-in-out infinite;
}
.star--green {
  background: var(--rad-green);
  box-shadow: 0 0 4px var(--rad-green-shadow);
}
.star--amber {
  background: var(--amber);
  box-shadow: 0 0 4px var(--amber-shadow);
}
@keyframes twinkle {
  0%, 100% {
    opacity: var(--max, 0.85);
  }
  50% {
    opacity: calc(var(--max, 0.85) * 0.25);
  }
}

/* trajectories (decorative dashed curves) */
.hero-trajectories {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}
.traj {
  fill: none;
  stroke-width: 1;
  stroke-dasharray: 4 8;
  animation: dash 18s linear infinite;
}
.traj--green {
  stroke: var(--rad-green-dim);
  opacity: 0.32;
}
.traj--amber {
  stroke: var(--amber-dim);
  opacity: 0.55;
  animation-duration: 24s;
}
@keyframes dash {
  to {
    stroke-dashoffset: -300;
  }
}

/* aircraft following the trajectories */
.moving-plane {
  stroke: none;
  filter: drop-shadow(0 0 6px var(--rad-green-shadow));
}
.moving-plane--green use {
  fill: var(--rad-green);
}
.moving-plane--amber {
  filter: drop-shadow(0 0 6px var(--amber-shadow));
}
.moving-plane--amber use {
  fill: var(--amber);
}
.moving-plane--small {
  opacity: 0.7;
}
.moving-plane--big {
  filter: drop-shadow(0 0 10px var(--rad-green-shadow))
    drop-shadow(0 0 20px rgba(108, 240, 163, 0.18));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 64px;
  max-width: 1480px;
  margin: 0 auto;
  padding: 140px 28px 48px;  /* top reserved for the absolute topbar */
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 36px;
}
.hero-meta-key {
  color: var(--text-3);
  position: relative;
  padding-right: 22px;
}
.hero-meta-key::after {
  content: "";
  position: absolute;
  right: 0;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: var(--line-2);
}
.hero-meta-key:last-of-type::after {
  display: none;
}
.hero-meta-val {
  color: var(--text-1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hero-headline {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 8vw, 132px);
  line-height: 0.9;
  letter-spacing: -0.022em;
  color: var(--text-1);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.hero-headline-accent {
  display: inline-block;
  color: var(--rad-green);
  position: relative;
  padding-right: 0.18em;
}
.hero-headline-accent::after {
  content: "";
  display: inline-block;
  width: 0.42em;
  height: 0.85em;
  vertical-align: -0.07em;
  margin-left: 0.18em;
  background: var(--rad-green);
  box-shadow: 0 0 22px var(--rad-green-shadow);
  animation: caret 1s steps(2, end) infinite;
}
@keyframes caret {
  50% {
    opacity: 0.1;
  }
}

.hero-sub {
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-2);
  max-width: 620px;
  margin-bottom: 40px;
  font-weight: 300;
}
.hero-sub strong {
  color: var(--text-1);
  font-weight: 500;
}
.hero-sub em {
  color: var(--rad-green);
  font-style: normal;
}
.hero-sub-link {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px dashed currentColor;
  transition: color 0.15s ease;
}
.hero-sub-link:hover {
  color: var(--text-1);
}

.hero-fineprint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 32px;
  line-height: 1.6;
}
.hero-fineprint span {
  display: block;
  margin-top: 4px;
  color: var(--text-4);
  font-style: italic;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

/* ============================== buttons ============================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 14px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--line-3);
  background: transparent;
  color: var(--text-1);
  cursor: pointer;
  position: relative;
  transition: transform 0.18s ease, background 0.18s ease,
    color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-arrow {
  font-size: 14px;
  transition: transform 0.18s ease;
}
.btn:hover .btn-arrow {
  transform: translateX(3px);
}
.btn-block {
  display: flex;
  width: 100%;
  justify-content: space-between;
}
.btn-large {
  padding: 18px 24px;
  font-size: 13px;
}

.btn-primary {
  background: var(--rad-green);
  color: var(--bg-0);
  border-color: var(--rad-green);
}
.btn-primary:hover {
  background: transparent;
  color: var(--rad-green);
  box-shadow: 0 0 0 1px var(--rad-green), 0 0 24px var(--rad-green-shadow);
}

.btn-amber {
  background: var(--amber);
  color: var(--bg-0);
  border-color: var(--amber);
}
.btn-amber:hover {
  background: transparent;
  color: var(--amber);
  box-shadow: 0 0 0 1px var(--amber), 0 0 24px var(--amber-shadow);
}

/* ============================== radar ============================== */
.hero-radar-wrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
  align-items: stretch;
  min-width: 0;
}

.radar {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(108, 240, 163, 0.045) 0%, transparent 65%),
    radial-gradient(circle at 50% 50%, rgba(11, 16, 21, 1) 0%, rgba(6, 8, 10, 1) 100%);
  border: 1px solid var(--rad-green-dim);
  box-shadow:
    inset 0 0 60px rgba(108, 240, 163, 0.06),
    0 0 60px rgba(108, 240, 163, 0.05);
  overflow: hidden;
  cursor: crosshair;
}

.radar-rings {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.ring {
  position: absolute;
  border: 1px solid var(--rad-green-dim);
  border-radius: 50%;
  opacity: 0.4;
}
.ring:nth-child(1) {
  inset: 4%;
}
.ring:nth-child(2) {
  inset: 22%;
}
.ring:nth-child(3) {
  inset: 40%;
  border-style: dashed;
}
.ring:nth-child(4) {
  inset: 58%;
  opacity: 0.55;
}

.radar-cross {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cross-h,
.cross-v {
  position: absolute;
  background: var(--rad-green-dim);
  opacity: 0.45;
}
.cross-h {
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
}
.cross-v {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
}

.radar-sweep {
  position: absolute;
  inset: 0;
  background: conic-gradient(
    from 0deg at 50% 50%,
    transparent 0deg,
    transparent 280deg,
    rgba(108, 240, 163, 0.04) 320deg,
    rgba(108, 240, 163, 0.18) 350deg,
    rgba(108, 240, 163, 0.34) 360deg
  );
  animation: sweep 4s linear infinite;
  pointer-events: none;
}
@keyframes sweep {
  to {
    transform: rotate(360deg);
  }
}

.radar-blips {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.blip {
  position: absolute;
  top: var(--top);
  left: var(--left);
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.blip-tri {
  width: 0;
  height: 0;
  display: inline-block;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 9px solid var(--rad-green);
  transform: rotate(var(--rot, 0deg));
  filter: drop-shadow(0 0 4px var(--rad-green-shadow));
  animation: blip-pulse 2.4s ease-in-out infinite;
}
.blip:nth-of-type(2n) .blip-tri {
  animation-delay: 0.4s;
}
.blip:nth-of-type(3n) .blip-tri {
  animation-delay: 0.9s;
}
@keyframes blip-pulse {
  0%, 100% {
    opacity: 1;
  }
  60% {
    opacity: 0.45;
  }
}

.blip--tag::after {
  content: attr(data-tag);
  position: absolute;
  left: 16px;
  top: -6px;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--rad-green);
  background: rgba(6, 8, 10, 0.7);
  padding: 2px 6px;
  border: 1px solid var(--rad-green-dim);
  text-transform: uppercase;
}

.radar-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--rad-green);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 3px rgba(6, 8, 10, 1), 0 0 0 4px var(--rad-green),
    0 0 16px var(--rad-green-shadow);
  pointer-events: none;
}

.radar-corner {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rad-green);
  opacity: 0.7;
  pointer-events: none;
}
.radar-corner--tl { top: 8px; left: 50%; transform: translateX(-50%); }
.radar-corner--tr { top: 50%; right: 8px; transform: translateY(-50%); }
.radar-corner--br { bottom: 8px; left: 50%; transform: translateX(-50%); }
.radar-corner--bl { top: 50%; left: 8px; transform: translateY(-50%); }

.radar-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-1);
  border: 1px solid var(--line-1);
  max-width: 480px;
  margin: 0 auto;
}
.radar-meta-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--bg-1);
  padding: 10px 14px;
  font-family: var(--font-mono);
}
.radar-meta-row .k {
  font-size: 9px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  text-transform: uppercase;
}
.radar-meta-row .v {
  font-size: 14px;
  color: var(--rad-green);
  letter-spacing: 0.04em;
}

/* ============================== ticker ============================== */
.ticker {
  border-top: 1px solid var(--line-1);
  border-bottom: 1px solid var(--line-1);
  background: var(--bg-1);
  overflow: hidden;
  position: relative;
  z-index: 2;
}
.ticker::before,
.ticker::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}
.ticker::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-1), transparent);
}
.ticker::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-1), transparent);
}
.ticker-track {
  display: flex;
  white-space: nowrap;
  padding: 13px 0;
  gap: 56px;
  animation: ticker 60s linear infinite;
  width: max-content;
}
.ticker-item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-2);
}
.ticker-item::before {
  content: "◢";
  color: var(--rad-green);
  margin-right: 12px;
  font-size: 8px;
  vertical-align: middle;
}
@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

/* ============================== sections (shared) ============================== */
.section {
  padding: 120px 28px;
  border-bottom: 1px solid var(--line-1);
  position: relative;
}

.section-header {
  max-width: 1480px;
  margin: 0 auto 64px;
  display: grid;
  gap: 22px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--rad-green);
  text-transform: uppercase;
  position: relative;
  padding-left: 22px;
}
.section-num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: var(--rad-green);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.018em;
  text-transform: uppercase;
}
.section-title .muted {
  color: var(--text-3);
}
.section-title .accent-green {
  color: var(--rad-green);
}

.section-lead {
  font-size: 16px;
  color: var(--text-2);
  max-width: 680px;
  line-height: 1.65;
  font-weight: 300;
}

/* ============================== problem grid ============================== */
.problem-grid {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 1px;
  background: var(--line-1);
  border: 1px solid var(--line-1);
}
.provider-card {
  background: var(--bg-1);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: background 0.2s ease;
}
.provider-card:hover {
  background: var(--bg-2);
}
.provider-card--unified {
  background: var(--bg-2);
  border-left: 2px solid var(--rad-green);
}
.provider-card--unified::before {
  content: "→";
  position: absolute;
  top: 28px;
  right: 24px;
  color: var(--rad-green);
  font-size: 22px;
  letter-spacing: -0.05em;
}
.pc-tag {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}
.pc-tag--unified {
  color: var(--rad-green);
}
.pc-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 32px;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--text-1);
}
.provider-card--unified .pc-name {
  color: var(--rad-green);
}
.pc-desc {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.pc-code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-2);
  background: var(--bg-0);
  border: 1px solid var(--line-1);
  padding: 16px;
  white-space: pre;
  overflow-x: auto;
  border-radius: 0;
}
.pc-code .c-key {
  color: var(--amber);
  font-weight: 500;
}
.pc-code .c-str {
  color: var(--rad-green);
}

/* ============================== paths grid ============================== */
.paths-grid {
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 28px;
}
.path {
  border: 1px solid var(--line-2);
  background: var(--bg-1);
  padding: 40px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.path::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, var(--rad-green), transparent 60%);
  opacity: 0.6;
}
.path--self::before {
  background: linear-gradient(to right, var(--amber), transparent 60%);
}

.path-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rad-green);
  margin-bottom: 20px;
}
.path-tag--amber {
  color: var(--amber);
}

.path-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 4vw, 56px);
  letter-spacing: -0.018em;
  line-height: 0.98;
  color: var(--text-1);
  margin-bottom: 18px;
  text-transform: none;
}
.path-desc {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.65;
  margin-bottom: 28px;
  max-width: 540px;
}

.code-card {
  background: var(--bg-0);
  border: 1px solid var(--line-2);
  margin-bottom: 28px;
  overflow: hidden;
}
.code-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line-2);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ccc-label {
  color: var(--text-3);
}
.copy-btn {
  border: 1px solid var(--line-3);
  padding: 5px 12px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-2);
  transition: all 0.15s ease;
  font-family: var(--font-mono);
  background: transparent;
}
.copy-btn:hover {
  border-color: var(--rad-green);
  color: var(--rad-green);
}
.copy-btn.is-copied {
  background: var(--rad-green);
  color: var(--bg-0);
  border-color: var(--rad-green);
}

.code-card-body {
  padding: 18px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-all;
}
.code-card-body--out {
  color: var(--text-2);
  font-size: 12px;
}
.code-card-body .c-cmd {
  color: var(--rad-green);
}
.code-card-body .c-str {
  color: var(--amber);
}
.code-card-divider {
  height: 1px;
  background: var(--line-1);
}

.path-features {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
}
.path-features li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line-1);
  font-size: 13px;
  color: var(--text-2);
}
.path-features li:last-child {
  border-bottom: 1px solid var(--line-1);
}
.path-features li span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--rad-green);
  text-transform: uppercase;
}

/* studio card (cave.codes presence inside the dedicated path) */
.studio-card {
  margin: 4px 0 28px;
  padding: 18px 20px;
  border: 1px dashed var(--amber-dim);
  background: rgba(255, 184, 77, 0.03);
}
.studio-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.studio-glyph {
  font-size: 18px;
  color: var(--amber);
  line-height: 1;
}
.studio-name {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  letter-spacing: 0.04em;
}
.studio-desc {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.55;
  margin: 0;
}

/* path B (self-host) */
.self-stack {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin-bottom: 32px;
}
.self-stack li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--line-1);
  font-size: 13px;
  color: var(--text-2);
  align-items: baseline;
}
.self-stack li:last-child {
  border-bottom: 1px solid var(--line-1);
}
.ss-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}
.ss-val {
  color: var(--text-2);
}
.self-cta-block {
  margin-top: auto;
}
.self-cta-line {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 12px;
  text-align: center;
}
.self-cta-fine {
  font-size: 11px;
  color: var(--text-3);
  text-align: center;
  margin-top: 12px;
  font-style: italic;
}

/* ============================== fleet ============================== */
.fleet-table {
  max-width: 1480px;
  margin: 0 auto;
  border-top: 1px solid var(--line-2);
}
.fleet-row {
  display: grid;
  grid-template-columns: 140px 1.4fr 1.6fr 1fr;
  align-items: center;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-1);
  transition: background 0.15s ease;
}
.fleet-row:not(.fleet-row--head):hover {
  background: var(--bg-1);
}
.fleet-row--head {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}
.fleet-row--head:hover {
  background: transparent;
}

.fleet-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-1);
}
.fleet-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.2vw, 30px);
  letter-spacing: -0.012em;
  line-height: 1;
  color: var(--text-1);
}
.fleet-cell {
  color: var(--text-2);
  font-size: 13px;
}
.fleet-cell.mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-2);
}
.t-right {
  text-align: right;
}
.fleet-row--soon {
  opacity: 0.6;
}
.fleet-row--add .fleet-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-3);
}

.muted {
  color: var(--text-3) !important;
}

/* dot variations */
.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.dot--live {
  background: var(--rad-green);
  box-shadow: 0 0 10px var(--rad-green-shadow);
  animation: pulse 1.6s ease-in-out infinite;
}
.dot--amber {
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber-shadow);
  animation: pulse 1.6s ease-in-out infinite;
}
.dot--idle {
  background: var(--text-4);
  box-shadow: none;
  animation: none;
}
.dot--add {
  width: auto;
  height: auto;
  background: transparent;
  color: var(--rad-green);
  font-style: normal;
  font-size: 14px;
  line-height: 1;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.55;
    transform: scale(1.15);
  }
}

/* ============================== manifesto ============================== */
.manifesto {
  padding: 140px 28px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line-2);
  position: relative;
}
.manifesto-mark {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--rad-green);
  text-transform: uppercase;
  max-width: 920px;
  margin: 0 auto 32px;
}
.ms-rule {
  flex: 1;
  height: 1px;
  background: var(--line-2);
}
.manifesto-text {
  max-width: 920px;
  margin: 0 auto;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.22;
  letter-spacing: -0.008em;
  color: var(--text-2);
  text-transform: none;
}
.manifesto-text strong {
  color: var(--text-1);
  font-weight: 700;
}
.manifesto-text em {
  color: var(--rad-green);
  font-style: italic;
  font-weight: 600;
}
.manifesto-sign {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 920px;
  margin: 36px auto 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  text-transform: uppercase;
}
.ms-line {
  width: 28px;
  height: 1px;
  background: var(--rad-green);
}

/* ============================== footer ============================== */
.footer {
  padding: 56px 28px 24px;
  background: var(--bg-0);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  max-width: 1480px;
  margin: 0 auto;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--line-1);
}
.footer-brand-img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
}
.footer-tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-top: 8px;
  text-transform: uppercase;
}
.footer-studio {
  color: var(--rad-green);
  text-decoration: none;
  border-bottom: 1px dotted var(--rad-green-dim);
  transition: color 0.15s ease, border-color 0.15s ease;
}
.footer-studio:hover {
  color: var(--text-1);
  border-bottom-color: var(--text-1);
}
.footer-links {
  display: flex;
  gap: 28px;
  align-items: center;
  justify-content: center;
}
.footer-links a {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-2);
  transition: color 0.15s ease;
  position: relative;
}
.footer-links a::before {
  content: "→ ";
  color: var(--rad-green);
  opacity: 0;
  transition: opacity 0.15s ease;
}
.footer-links a:hover {
  color: var(--rad-green);
}
.footer-links a:hover::before {
  opacity: 1;
}
.footer-coord {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: right;
}
.fc-key {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-3);
  text-transform: uppercase;
}
.fc-val {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-1);
  letter-spacing: 0.04em;
}
.footer-end {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1480px;
  margin: 24px auto 0;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-4);
}
.fe-rule {
  flex: 1;
  height: 1px;
  background: var(--line-1);
}

/* ============================== responsive ============================== */
@media (max-width: 1100px) {
  .hero-grid {
    gap: 48px;
  }
  .paths-grid,
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .problem-grid {
    border: 0;
    background: transparent;
    gap: 16px;
  }
  .provider-card {
    border: 1px solid var(--line-1);
  }
  .provider-card--unified {
    border-color: var(--rad-green-dim);
  }
  .fleet-row {
    grid-template-columns: 130px 1fr 1fr;
    gap: 12px 18px;
  }
  .fleet-row > div:nth-child(4) {
    grid-column: 2 / span 2;
    text-align: left;
  }
  .fleet-row--head > div:nth-child(4) {
    display: none;
  }
}

@media (max-width: 760px) {
  /* mobile: only the hamburger (right-aligned) */
  .topbar {
    grid-template-columns: 1fr auto;
    gap: 16px;
    padding: 12px 18px;
  }
  .topbar-left,
  .topbar-nav,
  .topbar-right {
    display: none;
  }
  .topbar-burger {
    display: flex;
    grid-column: 2;
    justify-self: end;
  }
  .hero-logo {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
    padding: 48px 18px 32px;
  }
  .radar {
    max-width: 320px;
  }

  .section {
    padding: 80px 18px;
  }
  .section-header {
    margin-bottom: 48px;
  }

  .path {
    padding: 28px 22px;
  }
  .path-features li,
  .self-stack li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .fleet-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 18px 0;
  }
  .fleet-row > div:nth-child(4) {
    grid-column: auto;
  }
  .fleet-row--head {
    display: none;
  }
  .fleet-name {
    font-size: 22px;
  }

  .manifesto {
    padding: 80px 18px;
  }

  .footer {
    padding: 40px 18px 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: left;
  }
  .footer-links {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .footer-coord {
    text-align: left;
  }
  .footer-end {
    flex-wrap: wrap;
  }
}