/* ==========================================================================
   HERO CYBER -- Interactive 3D Head & Liquid Glass Hotspot System
   ========================================================================== */

/* Instrument Serif carries the display voice; local Manrope handles every UI surface. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&display=swap');

:root {
  --ltk-ground: #03060b;
  --ltk-surface: #080d15;
  --ltk-ink: #f7faff;
  --ltk-muted: #aebbd0;
  --ltk-primary: #93c5fd;
  --ltk-edge: rgba(147, 197, 253, 0.18);
  --cyber-bg: var(--ltk-ground);
  --cyber-glow: var(--ltk-primary);
  --cyber-blue: #60a5fa;
  --cyber-cyan: #67e8f9;
  --cyber-white: var(--ltk-ink);
  --cyber-muted: var(--ltk-muted);
  --cyber-glass-bg: rgba(8, 13, 21, 0.72);
  --cyber-glass-border: var(--ltk-edge);
}

/* --------------------------------------------------------------------------
   1. LIQUID GLASS NAVBAR (Based on Image 2)
   -------------------------------------------------------------------------- */
.cyber-nav-wrapper {
  position: fixed;
  top: 1.25rem;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: 0 1rem;
  pointer-events: none;
}

.cyber-nav {
  pointer-events: auto;
  width: 100%;
  max-width: 1120px;
  background: rgba(8, 13, 21, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 9999px;
  padding: 0.45rem 0.65rem 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.22);
  transition: border-color 240ms ease, box-shadow 240ms ease;
}

.cyber-nav:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.75), inset 0 1px 1px rgba(255, 255, 255, 0.35);
}

/* Left Brand */
.cyber-nav__brand {
  display: flex;
  align-items: center;
  min-height: 44px;
  gap: 0.65rem;
  text-decoration: none;
  color: #ffffff;
}

.cyber-nav__icon {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  transition: transform 240ms ease, background 240ms ease;
}

.cyber-nav__brand:hover .cyber-nav__icon {
  transform: rotate(15deg) scale(1.05);
  background: rgba(255, 255, 255, 0.15);
}

.cyber-nav__title {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  font-weight: 400;
  color: #ffffff;
}

.cyber-nav__sub {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  margin-left: 0.35rem;
}

/* Center Links */
.cyber-nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.2vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.cyber-nav__link {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.25s ease;
}

.cyber-nav__link:hover {
  color: #ffffff;
}

/* Right Buttons */
.cyber-nav__actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.cyber-nav .language-switch {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.025);
}

.cyber-nav .language-switch a {
  color: var(--ltk-muted);
  transition: color 180ms ease, background-color 180ms ease;
}

.cyber-nav .language-switch a[aria-current="page"] {
  color: var(--ltk-ground);
  background: var(--ltk-ink);
}

.cyber-nav .language-switch a:hover {
  color: var(--ltk-ink);
  background: rgba(255, 255, 255, 0.08);
}

/* Reusable HTML/React CTA primitive. Keep these material values in sync with the
   component contract in the project handoff. */
.liquid-glass-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  overflow: hidden;
  min-height: 44px;
  padding: 8px 24px;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  color: #ffffff;
  text-decoration: none;
  white-space: nowrap;
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.875rem;
  line-height: 1.25rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.01);
  background-blend-mode: luminosity;
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.1);
  transition: background-color 180ms ease, transform 180ms ease;
}

.liquid-glass-button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1.4px;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.15) 20%, rgba(255,255,255,0) 40%, rgba(255,255,255,0) 60%, rgba(255,255,255,0.15) 80%, rgba(255,255,255,0.45) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

.liquid-glass-button:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.liquid-glass-button:active {
  transform: translateY(1px) scale(0.98);
}

.liquid-glass-button:focus-visible {
  outline: 2px solid var(--ltk-primary);
  outline-offset: 3px;
}

.liquid-glass-button__arrow {
  color: var(--ltk-primary);
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   2. HERO CONTAINER & 3D CANVAS
   -------------------------------------------------------------------------- */
.hero-cyber {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 700px;
  background-color: var(--ltk-ground);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
}

.hero-cyber__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  cursor: grab;
}

.hero-cyber__canvas:active {
  cursor: grabbing;
}

/* Deep Vignette Overlay with Grounding Torso Gradient */
.hero-cyber__vignette {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: 
    linear-gradient(to top, var(--ltk-ground) 0%, rgba(3, 6, 11, 0.92) 14%, transparent 38%),
    radial-gradient(circle at center, transparent 38%, rgba(3, 6, 11, 0.44) 70%, var(--ltk-ground) 96%);
}

/* Background Ambient Glow & Grid */
.hero-cyber__ambient {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: 
    radial-gradient(ellipse at 50% 30%, rgba(70, 130, 210, 0.12) 0%, transparent 65%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 64px 64px, 64px 64px;
}

/* Hero Center Headlines (Placed delicately in the background & foreground) */
.hero-cyber__header {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  text-align: center;
  pointer-events: none;
  width: 90%;
  max-width: 900px;
}

.hero-cyber__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 0.75rem;
  backdrop-filter: blur(8px);
}

.hero-cyber__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
  animation: pulseBeacon 2s infinite ease-in-out;
}

.hero-cyber__headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(2.75rem, 7vw, 6.5rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ltk-ink);
  margin: 0;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

.hero-cyber__headline em {
  font-style: italic;
  color: rgba(210, 235, 255, 0.85);
}

html[lang="vi"] .hero-cyber__header {
  width: 94%;
  max-width: 1180px;
}

html[lang="vi"] .hero-cyber__headline {
  max-width: none;
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: clamp(3rem, 5.4vw, 4.9rem);
  font-weight: 500;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

html[lang="vi"] .hero-cyber__headline em {
  color: rgba(210, 235, 255, 0.86);
  font-style: normal;
}

/* Subtitle at bottom of hero */
.hero-cyber__footer-bar {
  position: absolute;
  bottom: 2.5rem;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  pointer-events: none;
}

.hero-cyber__instruction {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-cyber__instruction-mobile { display: none; }

.hero-cyber__instruction-mouse {
  width: 14px;
  height: 22px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 10px;
  position: relative;
}

.hero-cyber__instruction-mouse::before {
  content: '';
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 4px;
  background: #ffffff;
  border-radius: 2px;
  animation: mouseWheel 1.5s infinite;
}

@keyframes mouseWheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 6px); opacity: 0; }
}

/* --------------------------------------------------------------------------
   3. INTERACTIVE PULSING HOTSPOT NODES (Chấm sáng tương tác)
   -------------------------------------------------------------------------- */
.hero-hotspots-layer {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.hero-hotspot {
  position: absolute;
  pointer-events: auto;
  isolation: isolate;
}

.hero-hotspot.is-active {
  z-index: 40;
}

.hero-hotspot::before {
  content: attr(data-index);
  position: absolute;
  top: calc(100% + 3px);
  left: 50%;
  transform: translateX(-50%);
  color: rgba(174, 187, 208, 0.68);
  font: 600 0.56rem/1 'Manrope', system-ui, sans-serif;
  letter-spacing: 0.12em;
  pointer-events: none;
  transition: color 180ms ease, opacity 180ms ease;
}

.hero-hotspot::after {
  content: "";
  position: absolute;
  top: 5px;
  width: 22px;
  height: 38px;
}

.hero-hotspot:is(:hover, :focus-within, .is-active)::before {
  color: var(--ltk-primary);
  opacity: 1;
}

/* Hotspot Placement around the 3D Head & Expansive Shoulders */
.hero-hotspot--1 {
  top: 22%;
  left: 14%;
}

.hero-hotspot--2 {
  top: 46%;
  left: 9%;
}

.hero-hotspot--3 {
  top: 70%;
  left: 14%;
}

.hero-hotspot--4 {
  top: 22%;
  right: 14%;
}

.hero-hotspot--5 {
  top: 46%;
  right: 9%;
}

.hero-hotspot--6 {
  top: 70%;
  right: 14%;
}

/* The Glowing Beacon (Pulsing Light Dot) */
.hotspot-beacon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  border-radius: 50%;
  background: transparent;
  border: none;
  padding: 0;
}

.hotspot-beacon::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: inherit;
  background:
    linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.015)),
    rgba(8, 13, 21, 0.78);
  border: 1px solid rgba(147, 197, 253, 0.34);
  box-shadow:
    0 0 0 1px rgba(255,255,255,.035) inset,
    0 0 22px rgba(96, 165, 250, 0.15),
    inset 0 1px 1px rgba(255,255,255,.14);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: transform 200ms cubic-bezier(.16,1,.3,1), border-color 180ms ease, box-shadow 180ms ease;
}

.hotspot-beacon:focus-visible {
  outline: 2px solid var(--ltk-primary);
  outline-offset: 3px;
}

.beacon-core {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px #ffffff, 0 0 17px #70aeff, 0 0 28px rgba(37, 99, 235, .75);
  transition: transform 200ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 180ms ease;
  z-index: 2;
}

.beacon-ring {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1px solid rgba(147, 197, 253, 0.28);
  animation: pulseBeacon 3.4s cubic-bezier(0.16, 1, 0.3, 1) infinite;
  pointer-events: none;
  z-index: 1;
}

.beacon-ring-2 {
  display: none;
}

@keyframes pulseBeacon {
  0% {
    transform: scale(0.82);
    opacity: 0.55;
  }
  70% {
    transform: scale(1.18);
    opacity: 0.08;
  }
  100% {
    transform: scale(1.24);
    opacity: 0;
  }
}

.hero-hotspot:is(:hover, :focus-within) .beacon-core,
.hero-hotspot.is-active .beacon-core {
  transform: scale(1.35);
  background: #dbeafe;
  box-shadow: 0 0 12px #ffffff, 0 0 24px #60a5fa, 0 0 38px #3b82f6;
}

.hero-hotspot:is(:hover, :focus-within, .is-active) .hotspot-beacon::before {
  transform: scale(1.08);
  border-color: rgba(147, 197, 253, 0.68);
  box-shadow: 0 0 26px rgba(96, 165, 250, 0.24), inset 0 1px 1px rgba(255,255,255,.2);
}

/* The Liquid Glass Expanded Card */
.hotspot-card {
  position: absolute;
  width: 310px;
  background:
    linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.012)),
    rgba(7, 12, 21, 0.78);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  border: none;
  border-radius: 1.1rem;
  padding: 1.3rem 1.4rem;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.56), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 200ms ease,
              transform 200ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 0s linear 200ms;
  z-index: 30;
}

.hotspot-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  pointer-events: none;
  background: linear-gradient(145deg, rgba(255,255,255,.42), rgba(147,197,253,.16) 35%, rgba(255,255,255,.03) 72%, rgba(255,255,255,.18));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
}

/* Card Positioning relative to Beacon */
.hero-hotspot--1 .hotspot-card,
.hero-hotspot--2 .hotspot-card {
  left: 60px;
  top: 50%;
  transform: translateY(-50%) scale(0.96) translateX(-8px);
}

.hero-hotspot--3 .hotspot-card {
  left: 60px;
  bottom: -15px;
  top: auto;
  transform: translateY(0) scale(0.96) translateX(-8px);
}

.hero-hotspot--4 .hotspot-card,
.hero-hotspot--5 .hotspot-card {
  right: 60px;
  top: 50%;
  transform: translateY(-50%) scale(0.96) translateX(8px);
}

.hero-hotspot--6 .hotspot-card {
  right: 60px;
  bottom: -15px;
  top: auto;
  transform: translateY(0) scale(0.96) translateX(8px);
}

.hero-hotspot--1 .hotspot-card,
.hero-hotspot--4 .hotspot-card {
  top: 60px;
  transform: scale(0.96) translateX(var(--card-entry-x));
}

.hero-hotspot--1 .hotspot-card { --card-entry-x: -8px; }
.hero-hotspot--4 .hotspot-card { --card-entry-x: 8px; }

.hero-hotspot--1::after,
.hero-hotspot--2::after,
.hero-hotspot--3::after { left: 42px; }

.hero-hotspot--4::after,
.hero-hotspot--5::after,
.hero-hotspot--6::after { right: 42px; }

/* Active & Hover States */
.hero-hotspot.is-active .hotspot-card {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.hero-hotspot--1.is-active .hotspot-card,
.hero-hotspot--2.is-active .hotspot-card {
  transform: translateY(-50%) scale(1) translateX(0);
}

.hero-hotspot--3.is-active .hotspot-card {
  transform: translateY(0) scale(1) translateX(0);
}

.hero-hotspot--4.is-active .hotspot-card,
.hero-hotspot--5.is-active .hotspot-card {
  transform: translateY(-50%) scale(1) translateX(0);
}

.hero-hotspot--6.is-active .hotspot-card {
  transform: translateY(0) scale(1) translateX(0);
}

.hero-hotspot--1.is-active .hotspot-card,
.hero-hotspot--4.is-active .hotspot-card {
  transform: scale(1) translateX(0);
}

/* Hotspot Card Content Typography */
.hotspot-card__tag {
  display: inline-block;
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ltk-primary);
  margin-bottom: 0.45rem;
}

.hotspot-card__title {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: -0.01em;
  margin: 0 0 0.45rem 0;
  line-height: 1.3;
}

.hotspot-card__desc {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.825rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--ltk-muted);
  margin: 0 0 1rem 0;
}

.hotspot-card__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 0.35rem;
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ltk-primary);
  text-decoration: none;
  transition: color 0.2s ease, gap 0.2s ease;
}

.hotspot-card__link:hover {
  color: #ffffff;
  gap: 0.55rem;
}

/* --------------------------------------------------------------------------
   4. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-hotspot--1 { left: 6%; top: 22%; }
  .hero-hotspot--2 { left: 4%; top: 48%; }
  .hero-hotspot--3 { left: 6%; top: 74%; }
  .hero-hotspot--4 { right: 6%; top: 22%; }
  .hero-hotspot--5 { right: 4%; top: 48%; }
  .hero-hotspot--6 { right: 6%; top: 74%; }
  .hotspot-card { width: 280px; padding: 1.15rem; }
}

@media (max-width: 900px) {
  .cyber-nav__links { display: none; }
  .cyber-nav__sub { display: none; }
}

@media (max-width: 768px) {
  .cyber-nav-wrapper { top: max(0.75rem, env(safe-area-inset-top)); padding-inline: 0.75rem; }
  .cyber-nav { padding: 0.4rem 0.45rem 0.4rem 0.7rem; }
  .cyber-nav__title { font-size: 1.1rem; }
  .cyber-nav .language-switch a { min-width: 44px; min-height: 44px; padding-inline: 0.35rem; }
  .hero-cyber { min-height: 620px; }
  .hero-cyber__header { top: 12%; }
  .hero-cyber__headline { max-width: 12ch; margin-inline: auto; font-size: clamp(2.3rem, 10vw, 3.25rem); }
  html[lang="vi"] .hero-cyber__header { width: 90%; max-width: 900px; }
  html[lang="vi"] .hero-cyber__headline { max-width: 14ch; font-size: clamp(2rem, 8.2vw, 2.75rem); line-height: 1.02; }
  .hero-cyber__instruction-desktop { display: none; }
  .hero-cyber__instruction-mobile { display: inline; }
  .hero-hotspot--1 { left: 4%; top: 20%; }
  .hero-hotspot--2 { left: 3%; top: 46%; }
  .hero-hotspot--3 { left: 4%; top: 72%; }
  .hero-hotspot--4 { right: 4%; top: 20%; }
  .hero-hotspot--5 { right: 3%; top: 46%; }
  .hero-hotspot--6 { right: 4%; top: 72%; }
  .hero-hotspot .hotspot-card {
    position: fixed;
    inset: auto 1rem max(1rem, env(safe-area-inset-bottom)) 1rem;
    width: auto;
    max-height: min(58svh, 28rem);
    overflow-y: auto;
    transform: translateY(12px) scale(0.98);
  }
  .hero-hotspot.is-active .hotspot-card {
    transform: translateY(0) scale(1);
  }
  .hero-cyber.has-active-hotspot .hero-hotspots-layer { z-index: 30; }
  .hero-cyber.has-active-hotspot .hero-cyber__footer-bar {
    opacity: 0;
    visibility: hidden;
  }
}

@media (max-width: 480px) {
  .cyber-nav__title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .cyber-nav__brand { gap: 0; }
  .cyber-nav__actions { gap: 0.35rem; }
  .hero-cyber__badge { max-width: calc(100vw - 2rem); font-size: 0.62rem; letter-spacing: 0.09em; }
  .hero-cyber__footer-bar { bottom: 1.25rem; }
  .hero-cyber__instruction { font-size: 0.7rem; }
  .hero-hotspot--1,
  .hero-hotspot--4 { top: 33%; }
}

@media (max-width: 340px) {
  .cyber-nav__start .liquid-glass-button__arrow { display: none; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .hero-cyber { min-height: 390px; }
  .hero-cyber__header { top: 22%; }
  .hero-cyber__badge { display: none; }
  .hero-cyber__headline { max-width: none; font-size: clamp(2.5rem, 7.5vw, 4rem); }
  html[lang="vi"] .hero-cyber__headline { max-width: 18ch; font-size: clamp(2rem, 5.4vw, 3.2rem); }
  .hero-cyber__footer-bar { display: none; }
  #cyber-tuner-root { display: none; }
  .hero-hotspot .hotspot-card {
    position: fixed;
    inset: max(5.75rem, env(safe-area-inset-top)) 1rem max(0.75rem, env(safe-area-inset-bottom)) auto;
    width: min(320px, 43vw);
    max-height: calc(100svh - 6.5rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-radius: 1rem;
    transform: translateY(10px) scale(.98);
  }
  .hero-hotspot.is-active .hotspot-card {
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-cyber__badge-dot,
  .hero-cyber__instruction-mouse::before,
  .beacon-ring { animation: none; }
  .hotspot-beacon::before,
  .beacon-core,
  .hotspot-card,
  .hero-hotspot::before,
  .liquid-glass-button { transition: none; }
}