/* ============================================================
   APEX ENGINEER — premium dark theme
   ============================================================ */

:root {
  --bg: #05070d;
  --bg-2: #080b13;
  --surface: #0d1119;
  --surface-2: #121722;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  --text: #e9edf4;
  --text-muted: #9aa4b5;
  --text-dim: #6b7688;

  --accent: #2dd4bf;
  --accent-bright: #5eead4;
  --accent-dim: rgba(45, 212, 191, 0.12);
  --cyan: #38d5ff;
  --green: #38f2a5;
  --amber: #ffb83d;

  --grad: linear-gradient(120deg, #38bdf8 0%, #2dd4bf 55%, #34d399 100%);
  --grad-cyan: linear-gradient(120deg, #38d5ff, #38f2a5);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  --radius: 16px;
  --radius-sm: 10px;

  --container: 1180px;
  --nav-h: 72px;

  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.04) inset,
                 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --glow-accent: 0 0 40px -8px rgba(45, 212, 191, 0.45);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; font-weight: 600; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

::selection { background: var(--accent); color: #fff; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #1c2331; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: #2a3345; }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 820px; }
.section { position: relative; }
.section-pad { padding: 120px 0; }

.mono { font-family: var(--font-mono); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  transition: transform 0.18s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--grad);
  background-size: 160% 160%;
  background-position: 0% 50%;
  color: #fff;
  box-shadow: var(--glow-accent);
}
.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 0 55px -6px rgba(45, 212, 191, 0.6);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

/* ---------- Section head ---------- */
.section-head {
  max-width: 680px;
  margin: 0 auto 64px;
  text-align: center;
}
.section-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(30px, 4.4vw, 46px);
  letter-spacing: -0.02em;
}
.section-title.features-title {
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.25;
}
.section-title-line {
  display: block;
}
.section-sub {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 17px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-h);
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: var(--bg);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark { width: 34px; height: 34px; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand-name span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
  transition: width 0.25s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-cta { padding: 10px 20px; font-size: 14px; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.lang-toggle:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.09); }
.lang-globe { width: 16px; height: 16px; }
.lang-current { color: var(--accent); font-weight: 700; }

.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 8px; }
.nav-burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.2s ease; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(5, 7, 13, 0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px 24px;
  display: none;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 14px 6px; font-family: var(--font-display); font-size: 17px; border-bottom: 1px solid var(--border); }
.nav-mobile .btn { margin-top: 16px; }

/* ============================================================
   HERO + 3D
   ============================================================ */
.hero-3d {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.hero-3d canvas { display: block; }
body.hero-videos .hero-3d { display: none; }

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  filter: brightness(0.82) saturate(1.08);
  will-change: opacity;
}
body.hero-videos .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 7, 13, 0.35);
  pointer-events: none;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(56, 189, 248, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(5, 7, 13, 0.25) 0%, var(--bg) 92%);
  pointer-events: none;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: radial-gradient(ellipse 80% 60% at 50% 45%, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + 20px) 0 40px;
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(8px);
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(45, 212, 191, 0); }
  100% { box-shadow: 0 0 0 0 rgba(45, 212, 191, 0); }
}

.hero-title {
  font-size: clamp(38px, 5.6vw, 66px);
  letter-spacing: -0.03em;
  margin: 26px 0 22px;
  display: flex;
  flex-direction: column;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.grad-green {
  display: inline-block;
  background: linear-gradient(92deg, #4ade80 0%, #16a34a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.grad-red {
  display: inline-block;
  background: linear-gradient(92deg, #f87171 0%, #dc2626 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  color: var(--text-muted);
  font-size: 18px;
  max-width: 540px;
}
.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.scroll-hint {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  width: 22px;
  height: 36px;
  border: 1.5px solid var(--border-strong);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 7px;
}
.scroll-hint span {
  width: 3px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scrollHint 1.8s ease-in-out infinite;
}
@keyframes scrollHint {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

/* Stat strip (telemetry section) */
.stat-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}
.stat-num::after { content: "+"; color: var(--accent); }
.stat-label { font-size: 12.5px; color: var(--text-dim); letter-spacing: 0.06em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* ============================================================
   TELEMETRY SECTION
   ============================================================ */
.telemetry { border-top: 1px solid var(--border); }
.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 64px;
  align-items: center;
}
.telemetry-copy { display: flex; flex-direction: column; align-items: flex-start; }
.telemetry-copy .section-kicker { margin-bottom: 14px; }
.telemetry-title {
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.telemetry-sub { color: var(--text-muted); font-size: 16.5px; margin-bottom: 30px; }
.telemetry-points { display: flex; flex-direction: column; gap: 18px; }
.tp {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.tp-ic {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.3);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.tp-ic svg { width: 17px; height: 17px; }
.tp h4 { font-size: 15.5px; margin-bottom: 3px; }
.tp p { color: var(--text-muted); font-size: 13.5px; }

.telemetry-stage {
  position: relative;
  padding: 14px;
}
.telemetry-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(45, 212, 191, 0.10), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

/* ============================================================
   HUD PANEL
   ============================================================ */
.hud-panel {
  position: relative;
  background: linear-gradient(160deg, rgba(19, 24, 35, 0.9), rgba(10, 13, 21, 0.94));
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--shadow-card), 0 30px 80px -30px rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(14px);
  overflow: hidden;
}
.hud-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 85% -10%, rgba(56, 213, 255, 0.08), transparent 60%);
  pointer-events: none;
}
.hud-panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.6), transparent);
}
.hud-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.hud-title {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-dim);
}
.hud-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--green);
}
.hud-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: blink 1.4s infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hud-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}
.hud-cell {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  text-align: center;
}
.hud-key {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--text-dim);
  font-weight: 600;
}
.hud-val {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}
.hud-unit { font-size: 11px; color: var(--text-dim); margin-left: 2px; }

.hud-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 9px 4px;
  border-top: 1px dashed rgba(255, 255, 255, 0.07);
}
.hud-row .hud-val { font-size: 15px; }
.hud-green { color: var(--green); }

.hud-radio {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.25);
  border-radius: 12px;
  padding: 12px 14px;
}
.hud-radio-icon { color: var(--accent); font-size: 10px; animation: blink 1.4s infinite; }
.hud-radio-text { font-size: 13px; color: #d7f6ef; line-height: 1.4; }
.hud-flash { animation: radioIn 0.35s ease; }
@keyframes radioIn {
  0% { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}
.hud-red { color: var(--accent); }

/* ============================================================
   SIMULATORS
   ============================================================ */
.sims { padding: 40px 0 0; border-top: 1px solid var(--border); }
.sims-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 30px;
}
.sims-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.sim-logo {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-dim);
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  cursor: default;
}
.sim-logo:hover {
  color: var(--text);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* ============================================================
   FEATURES
   ============================================================ */
.features { border-top: 1px solid var(--border); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.feature-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 24px 50px -24px rgba(0, 0, 0, 0.8);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-title { font-size: 19px; margin-bottom: 10px; }
.feature-desc { color: var(--text-muted); font-size: 14.5px; }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how { border-top: 1px solid var(--border); }
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  counter-reset: step;
}
.how-step {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 30px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.how-step:hover {
  transform: translateY(-5px);
  border-color: var(--border-strong);
}
.how-num {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.2em;
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 8px;
  background: var(--accent-dim);
  margin-bottom: 20px;
}
.how-step h3 { font-size: 20px; margin-bottom: 10px; }
.how-step p { color: var(--text-muted); font-size: 14.5px; }
.how-cta { text-align: center; margin-top: 56px; }

/* ============================================================
   PRICING
   ============================================================ */
.pricing { border-top: 1px solid var(--border); }
.tester { border-top: 1px solid var(--border); }
.tester-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 36px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.price-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.price-card:hover { transform: translateY(-6px); }
.price-card-featured {
  background: linear-gradient(170deg, rgba(45, 212, 191, 0.07), var(--surface) 45%);
  border-color: rgba(45, 212, 191, 0.4);
  box-shadow: 0 30px 70px -30px rgba(45, 212, 191, 0.25);
}
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 16px;
  border-radius: 999px;
  box-shadow: var(--glow-accent);
}
.price-top { margin-bottom: 26px; }
.price-name { font-size: 21px; margin-bottom: 6px; }
.price-desc { color: var(--text-muted); font-size: 14px; }
.price-amount { display: flex; align-items: baseline; gap: 4px; margin-bottom: 26px; }
.price-cur { font-size: 22px; color: var(--accent); font-family: var(--font-display); font-weight: 700; }
.price-num { font-size: 58px; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.price-per { color: var(--text-dim); font-size: 14px; }
.price-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; flex: 1; }
.price-list li {
  position: relative;
  padding-left: 26px;
  color: var(--text-muted);
  font-size: 14.5px;
}
.price-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(45, 212, 191, 0.5);
}
.price-list li::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 11px;
  width: 6px;
  height: 3px;
  border-left: 1.6px solid var(--accent);
  border-bottom: 1.6px solid var(--accent);
  transform: rotate(-45deg);
}
.pricing-note {
  text-align: center;
  color: var(--text-dim);
  font-size: 13.5px;
  margin-top: 30px;
}
.price-advanced {
  max-width: 900px;
  margin: 24px auto 0;
  padding: 28px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  background: linear-gradient(170deg, rgba(45, 212, 191, 0.06), var(--surface) 55%);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.price-advanced-left { flex: 1; min-width: 220px; }
.price-advanced-title { font-size: 21px; margin-bottom: 6px; }
.price-advanced-desc { color: var(--text-muted); font-size: 14.5px; max-width: 560px; }

/* ============================================================
   FAQ
   ============================================================ */
.faq { border-top: 1px solid var(--border); }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-item[open] { border-color: rgba(45, 212, 191, 0.35); background: var(--surface-2); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16.5px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  transition: transform 0.25s ease, border-color 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); border-color: var(--accent); }
.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 14.5px;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta { padding: 80px 0 120px; }
.cta-card {
  position: relative;
  text-align: center;
  background: linear-gradient(160deg, #12080c, #0a0d16 60%);
  border: 1px solid rgba(45, 212, 191, 0.3);
  border-radius: 24px;
  padding: 90px 40px;
  overflow: hidden;
}
.cta-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 50% 120%, rgba(45, 212, 191, 0.35), transparent 60%),
    linear-gradient(180deg, rgba(45, 212, 191, 0.05), transparent 50%);
  pointer-events: none;
}
.cta-orb {
  position: absolute;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.28), transparent 65%);
  filter: blur(30px);
  animation: orb 6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes orb {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.12); }
}
.cta-title {
  position: relative;
  font-size: clamp(30px, 4.6vw, 48px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.cta-sub {
  position: relative;
  color: var(--text-muted);
  font-size: 17px;
  margin-bottom: 36px;
}
.cta-btns { position: relative; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  background: var(--bg-2);
  padding: 70px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-tag { color: var(--text-muted); font-size: 14px; max-width: 260px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h4 {
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.footer-col a { color: var(--text-muted); font-size: 14px; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px 24px 28px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 13px;
}
.footer-made { font-size: 12px; letter-spacing: 0.1em; }

/* ============================================================
   LEGAL PAGES (terms, privacy)
   ============================================================ */
body.legal-page .nav {
  background: var(--bg);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--border);
}
.legal-hero {
  padding: calc(var(--nav-h) + 72px) 0 20px;
}
.legal-head {
  max-width: 820px;
  margin: 0 auto;
}
.legal-title {
  font-size: clamp(30px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin: 16px 0 0;
}
.legal-updated {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  margin-top: 14px;
}
.legal-divider {
  max-width: 820px;
  margin: 30px auto 0;
  border: none;
  border-top: 1px solid var(--border);
}
.legal-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 24px 120px;
}
.legal-section { margin-top: 44px; }
.legal-section h2 {
  font-size: 19px;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.legal-section p {
  color: var(--text-muted);
  font-size: 15.5px;
  margin-bottom: 12px;
}
.legal-section p:last-child { margin-bottom: 0; }
.legal-list { display: flex; flex-direction: column; gap: 10px; }
.legal-list li {
  position: relative;
  padding-left: 24px;
  color: var(--text-muted);
  font-size: 15.5px;
}
.legal-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--grad);
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translate(-50%, 20px);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  font-size: 14px;
  padding: 14px 22px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  z-index: 200;
  max-width: min(90vw, 480px);
  text-align: center;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-3d { display: none; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .hero { padding-top: 140px; }
  .hero-copy { text-align: center; }
  .hero-sub { margin: 0 auto; }
  .hero-ctas { justify-content: center; }
  .telemetry-grid { grid-template-columns: 1fr; gap: 40px; }
  .telemetry-copy { align-items: center; text-align: center; }
  .telemetry-points { align-items: center; }
  .telemetry-copy .tp { text-align: left; }
  .telemetry-stage { max-width: 620px; margin: 0 auto; width: 100%; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .how-step:last-child { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .section-pad { padding: 84px 0; }
  .features-grid, .how-grid, .pricing-grid { grid-template-columns: 1fr; }
  .stat-strip { gap: 20px; }
  .stat-divider { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hud-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-card { padding: 64px 24px; }
}