* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: #0b0b0e;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #fff;
}

.deco-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-glow .orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.2;
  will-change: transform, opacity;
  animation: orbFloat 20s ease-in-out infinite alternate;
}
.deco-glow .orb:nth-child(1) {
  width: 80vmax;
  height: 80vmax;
  top: -30%;
  left: -25%;
  background: radial-gradient(circle, rgba(100, 140, 255, 0.3), transparent 70%);
  animation-duration: 26s;
}
.deco-glow .orb:nth-child(2) {
  width: 60vmax;
  height: 60vmax;
  bottom: -25%;
  right: -15%;
  background: radial-gradient(circle, rgba(200, 160, 255, 0.2), transparent 70%);
  animation-duration: 30s;
  animation-delay: -8s;
}
.deco-glow .orb:nth-child(3) {
  width: 40vmax;
  height: 40vmax;
  top: 30%;
  left: 45%;
  background: radial-gradient(circle, rgba(80, 200, 255, 0.15), transparent 70%);
  animation-duration: 24s;
  animation-delay: -14s;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(4%, -6%) scale(1.08); }
  100% { transform: translate(-3%, 8%) scale(0.92); }
}

.deco-lines {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-lines .line {
  position: absolute;
  height: 1px;
  width: 120%;
  left: -10%;
  opacity: 0.25;
  animation: lineDrift 20s linear infinite;
  border-radius: 50%;
  filter: blur(0.5px);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), rgba(255,255,255,0.12), rgba(255,255,255,0.06), transparent);
  will-change: transform, opacity;
}
.deco-lines .line:nth-child(1) { top: 15%; animation-duration: 22s; animation-delay: -3s; }
.deco-lines .line:nth-child(2) { top: 40%; animation-duration: 26s; animation-delay: -9s; width: 140%; }
.deco-lines .line:nth-child(3) { top: 65%; animation-duration: 18s; animation-delay: -15s; }
.deco-lines .line:nth-child(4) { top: 85%; animation-duration: 24s; animation-delay: -6s; width: 130%; }

@keyframes lineDrift {
  0% { transform: translateX(-30%) scaleX(0.6); opacity: 0.05; }
  50% { transform: translateX(5%) scaleX(1.3); opacity: 0.4; }
  100% { transform: translateX(40%) scaleX(0.7); opacity: 0.05; }
}

.deco-stars {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-stars span {
  position: absolute;
  background: white;
  border-radius: 50%;
  animation: starTwinkle 4s ease-in-out infinite alternate;
  box-shadow: 0 0 6px rgba(255,255,255,0.1);
  will-change: transform, opacity;
}
.deco-stars span:nth-child(1) { top: 5%; left: 10%; width: 3px; height: 3px; animation-delay: 0.1s; }
.deco-stars span:nth-child(2) { top: 12%; left: 80%; width: 2px; height: 2px; animation-delay: 0.6s; }
.deco-stars span:nth-child(3) { top: 22%; left: 35%; width: 4px; height: 4px; animation-delay: 1.2s; }
.deco-stars span:nth-child(4) { top: 30%; left: 65%; width: 2px; height: 2px; animation-delay: 0.3s; }
.deco-stars span:nth-child(5) { top: 40%; left: 15%; width: 3px; height: 3px; animation-delay: 0.9s; }
.deco-stars span:nth-child(6) { top: 48%; left: 88%; width: 2px; height: 2px; animation-delay: 1.5s; }
.deco-stars span:nth-child(7) { top: 55%; left: 50%; width: 4px; height: 4px; animation-delay: 0.4s; }
.deco-stars span:nth-child(8) { top: 65%; left: 25%; width: 3px; height: 3px; animation-delay: 0.8s; }
.deco-stars span:nth-child(9) { top: 75%; left: 70%; width: 2px; height: 2px; animation-delay: 1.8s; }
.deco-stars span:nth-child(10) { top: 85%; left: 5%; width: 4px; height: 4px; animation-delay: 0.2s; }
.deco-stars span:nth-child(11) { top: 92%; left: 45%; width: 3px; height: 3px; animation-delay: 0.7s; }
.deco-stars span:nth-child(12) { top: 8%; left: 55%; width: 2px; height: 2px; animation-delay: 1.1s; }

@keyframes starTwinkle {
  0% { opacity: 0.1; transform: scale(0.6); }
  100% { opacity: 0.9; transform: scale(1.4); }
}

.deco-shapes {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-shapes .shape {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 50%;
  animation: shapeFloat 30s linear infinite;
  opacity: 0.2;
  will-change: transform;
}
.deco-shapes .shape:nth-child(1) {
  width: 300px;
  height: 300px;
  top: -50px;
  right: -80px;
  border-color: rgba(150, 180, 255, 0.1);
  animation-duration: 35s;
}
.deco-shapes .shape:nth-child(2) {
  width: 200px;
  height: 200px;
  bottom: 10px;
  left: -60px;
  border-color: rgba(200, 150, 255, 0.08);
  animation-duration: 40s;
  animation-delay: -10s;
}
.deco-shapes .shape:nth-child(3) {
  width: 150px;
  height: 150px;
  top: 35%;
  left: 75%;
  border-color: rgba(100, 200, 255, 0.07);
  animation-duration: 28s;
  animation-delay: -5s;
  border-radius: 30% 70% 50% 50% / 50% 40% 60% 50%;
}
.deco-shapes .shape:nth-child(4) {
  width: 100px;
  height: 100px;
  top: 70%;
  left: 15%;
  border-color: rgba(255, 200, 180, 0.07);
  animation-duration: 32s;
  animation-delay: -15s;
  border-radius: 40% 60% 30% 70% / 50% 40% 60% 50%;
}

@keyframes shapeFloat {
  0% { transform: translate(0, 0) rotate(0deg) scale(1); }
  25% { transform: translate(20px, -30px) rotate(90deg) scale(1.1); }
  50% { transform: translate(-10px, 20px) rotate(180deg) scale(0.9); }
  75% { transform: translate(30px, 10px) rotate(270deg) scale(1.05); }
  100% { transform: translate(0, 0) rotate(360deg) scale(1); }
}

.deco-rings {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-rings .ring {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.04);
  border-radius: 50%;
  animation: ringSpin 25s linear infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  will-change: transform;
}
.deco-rings .ring:nth-child(1) {
  width: 75vmin;
  height: 75vmin;
  animation-duration: 30s;
  border-color: rgba(150, 180, 255, 0.05);
}
.deco-rings .ring:nth-child(2) {
  width: 55vmin;
  height: 55vmin;
  animation-duration: 22s;
  animation-direction: reverse;
  border-color: rgba(200, 150, 255, 0.04);
}
.deco-rings .ring:nth-child(3) {
  width: 35vmin;
  height: 35vmin;
  animation-duration: 18s;
  border-color: rgba(100, 200, 255, 0.03);
  border-style: dashed;
}

@keyframes ringSpin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.deco-grid-dynamic {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: 
    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: 80px 80px;
  animation: gridPulse 12s ease-in-out infinite alternate;
  opacity: 0.4;
  will-change: opacity, background-size;
}
@keyframes gridPulse {
  0% { opacity: 0.2; background-size: 70px 70px; }
  100% { opacity: 0.6; background-size: 95px 95px; }
}

.deco-noise {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
  will-change: transform;
}

.deco-vignette {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.6) 100%);
  will-change: transform;
}

.deco-ripples {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-ripples .ripple {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 50%;
  animation: rippleExpand 8s ease-out infinite;
  will-change: transform, opacity;
}
.deco-ripples .ripple:nth-child(1) {
  width: 20px;
  height: 20px;
  top: 30%;
  left: 25%;
  animation-delay: 0s;
}
.deco-ripples .ripple:nth-child(2) {
  width: 30px;
  height: 30px;
  top: 60%;
  left: 70%;
  animation-delay: 3s;
}
.deco-ripples .ripple:nth-child(3) {
  width: 15px;
  height: 15px;
  top: 80%;
  left: 40%;
  animation-delay: 6s;
}
.deco-ripples .ripple:nth-child(4) {
  width: 25px;
  height: 25px;
  top: 15%;
  left: 85%;
  animation-delay: 1.5s;
}
.deco-ripples .ripple:nth-child(5) {
  width: 18px;
  height: 18px;
  top: 45%;
  left: 10%;
  animation-delay: 4.5s;
}

@keyframes rippleExpand {
  0% { transform: scale(0.5); opacity: 0.8; }
  100% { transform: scale(12); opacity: 0; }
}

.deco-progress {
  position: fixed;
  z-index: 0;
  pointer-events: none;
  opacity: 0.1;
  will-change: transform;
}
.deco-progress svg {
  width: 100px;
  height: 100px;
  transform: rotate(-90deg);
}
.deco-progress circle {
  fill: none;
  stroke: rgba(255,255,255,0.15);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  animation: progressSpin 6s ease-in-out infinite alternate;
  will-change: stroke-dashoffset;
}
.deco-progress:nth-child(1) { top: 10%; right: 6%; }
.deco-progress:nth-child(1) circle { animation-duration: 7s; stroke: rgba(150, 180, 255, 0.25); }
.deco-progress:nth-child(2) { bottom: 12%; left: 4%; }
.deco-progress:nth-child(2) circle { animation-duration: 9s; animation-delay: -3s; stroke: rgba(200, 150, 255, 0.2); }
.deco-progress:nth-child(3) { top: 45%; left: 3%; }
.deco-progress:nth-child(3) svg { width: 70px; height: 70px; }
.deco-progress:nth-child(3) circle { animation-duration: 5s; animation-delay: -1s; stroke: rgba(100, 200, 255, 0.18); }
.deco-progress:nth-child(4) { bottom: 38%; right: 4%; }
.deco-progress:nth-child(4) svg { width: 85px; height: 85px; }
.deco-progress:nth-child(4) circle { animation-duration: 8s; animation-delay: -5s; stroke: rgba(255, 200, 180, 0.18); }

@keyframes progressSpin {
  0% { stroke-dashoffset: 314; }
  100% { stroke-dashoffset: 60; }
}

.deco-beams {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.12;
  will-change: transform;
}
.deco-beams .beam {
  position: absolute;
  width: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  transform-origin: left center;
  animation: beamSweep 14s ease-in-out infinite alternate;
  will-change: transform, opacity;
}
.deco-beams .beam:nth-child(1) {
  top: 20%;
  left: -5%;
  animation-duration: 16s;
  animation-delay: -2s;
}
.deco-beams .beam:nth-child(2) {
  top: 50%;
  left: -5%;
  animation-duration: 18s;
  animation-delay: -7s;
  width: 65%;
}
.deco-beams .beam:nth-child(3) {
  top: 80%;
  left: -5%;
  animation-duration: 14s;
  animation-delay: -12s;
}

@keyframes beamSweep {
  0% { transform: rotate(-15deg) scaleX(0.3); opacity: 0.05; }
  50% { transform: rotate(5deg) scaleX(1.2); opacity: 0.4; }
  100% { transform: rotate(20deg) scaleX(0.5); opacity: 0.05; }
}

.deco-corners {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}
.deco-corners .corner {
  position: absolute;
  width: 35px;
  height: 35px;
  border-color: rgba(255,255,255,0.04);
  border-style: solid;
  border-width: 0;
  opacity: 0.25;
}
.deco-corners .corner:nth-child(1) {
  top: 20px;
  left: 20px;
  border-top-width: 1px;
  border-left-width: 1px;
}
.deco-corners .corner:nth-child(2) {
  top: 20px;
  right: 20px;
  border-top-width: 1px;
  border-right-width: 1px;
}
.deco-corners .corner:nth-child(3) {
  bottom: 20px;
  left: 20px;
  border-bottom-width: 1px;
  border-left-width: 1px;
}
.deco-corners .corner:nth-child(4) {
  bottom: 20px;
  right: 20px;
  border-bottom-width: 1px;
  border-right-width: 1px;
}

.deco-particles-float {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  will-change: transform;
}
.deco-particles-float span {
  position: absolute;
  width: 6px;
  height: 6px;
  background: radial-gradient(circle, rgba(255,255,255,0.2), transparent);
  border-radius: 50%;
  animation: particleFloatUp 16s ease-in-out infinite alternate;
  filter: blur(0.5px);
  will-change: transform, opacity;
}
.deco-particles-float span:nth-child(1) { left: 5%; top: 80%; animation-duration: 18s; animation-delay: -2s; width: 8px; height: 8px; }
.deco-particles-float span:nth-child(2) { left: 20%; top: 90%; animation-duration: 20s; animation-delay: -6s; }
.deco-particles-float span:nth-child(3) { left: 40%; top: 85%; animation-duration: 16s; animation-delay: -10s; width: 10px; height: 10px; }
.deco-particles-float span:nth-child(4) { left: 60%; top: 95%; animation-duration: 22s; animation-delay: -4s; }
.deco-particles-float span:nth-child(5) { left: 80%; top: 88%; animation-duration: 19s; animation-delay: -8s; width: 7px; height: 7px; }
.deco-particles-float span:nth-child(6) { left: 92%; top: 78%; animation-duration: 21s; animation-delay: -12s; }

@keyframes particleFloatUp {
  0% { transform: translateY(0) scale(0.6); opacity: 0.05; }
  50% { transform: translateY(-50px) scale(1.2); opacity: 0.4; }
  100% { transform: translateY(-100px) scale(0.8); opacity: 0.1; }
}

.container {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 8vw;
  animation: containerIn 1.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes containerIn {
  0% { opacity: 0; transform: translateY(24px); }
  100% { opacity: 1; transform: translateY(0); }
}

.header {
  margin-bottom: 6vh;
  animation: headerIn 1s ease 0.2s both;
}

@keyframes headerIn {
  0% { opacity: 0; transform: translateX(-30px); }
  100% { opacity: 1; transform: translateX(0); }
}

.header h1 {
  color: #ffffff;
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.page-start .header h1 .glow-text {
  animation: none;
  text-shadow: none;
  transition: text-shadow 0.8s ease;
}

.page-start .header h1 .glow-text.done {
  animation: titleGlow 4s ease-in-out infinite alternate;
}

@keyframes titleGlow {
  0% { text-shadow: 0 0 20px rgba(255,255,255,0); }
  100% { text-shadow: 0 0 40px rgba(255,255,255,0.05), 0 0 80px rgba(255,255,255,0.02); }
}

.page-menu .header h1 {
  animation: titleGlow 4s ease-in-out infinite alternate;
}

.page-start .header h1 .cursor {
  display: inline-block;
  width: 0.5em;
  min-width: 5px;
  height: 0.08em;
  min-height: 2px;
  background: rgba(255, 255, 255, 0.5);
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
  vertical-align: text-bottom;
  border-radius: 1px;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  50.01%, 100% { opacity: 0; }
}

.page-start .subtitle {
  font-size: clamp(0.9rem, 1.2vw, 1.2rem);
  font-weight: 380;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 0.2rem;
  margin-bottom: 1.2rem;
  opacity: 0;
  animation: subtitleFade 1.2s ease 1.2s forwards;
}

@keyframes subtitleFade {
  0% { opacity: 0; transform: translateY(6px); }
  100% { opacity: 1; transform: translateY(0); }
}

.page-menu .bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(ellipse at 30% 30%, #3a3a41, #080808 75%);
  animation: bgPulse 12s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

@keyframes bgPulse {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.02); }
}

.page-menu .bg::after {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 50%;
  height: 70%;
  background: radial-gradient(ellipse, rgba(120, 180, 255, 0.06), transparent 70%);
  pointer-events: none;
  animation: glowDrift 18s ease-in-out infinite alternate;
  will-change: transform, opacity;
}

@keyframes glowDrift {
  0% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(-30px, 20px) scale(1.2); opacity: 1; }
  100% { transform: translate(20px, -10px) scale(0.9); opacity: 0.6; }
}

.page-start .bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: 
    rgba(0, 0, 0, 0.55),
    url('https://mihoyo.gay/background.jpg') center/cover no-repeat;
  will-change: transform;
}

.page-start .bg .grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.012) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-menu .footer {
  margin-top: 5vh;
  color: rgba(255, 255, 255, 0.12);
  font-size: clamp(0.6rem, 0.7vw, 0.75rem);
  letter-spacing: 0.08em;
  animation: footerIn 1.2s ease 0.8s both;
}

@keyframes footerIn {
  0% { opacity: 0; transform: translateY(16px); }
  100% { opacity: 1; transform: translateY(0); }
}

.page-menu .footer a {
  color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
  transition: color 0.4s ease;
  position: relative;
}

.page-menu .footer a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  transition: width 0.4s ease;
}

.page-menu .footer a:hover::after {
  width: 100%;
}

.page-menu .footer a:hover {
  color: rgba(255, 255, 255, 0.5);
}

.page-menu .footer .sep {
  margin: 0 0.6rem;
  opacity: 0.3;
  display: inline-block;
  animation: sepPulse 4s ease-in-out infinite;
}

@keyframes sepPulse {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 0.5; }
}

.divider {
  width: 40px;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 2.5vh 0;
  animation: dividerGrow 1.2s ease 0.4s both;
}

@keyframes dividerGrow {
  0% { width: 0; opacity: 0; }
  100% { width: 40px; opacity: 1; }
}

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  max-width: 500px;
  width: 100%;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1em 1.6em;
  color: #ffffff;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  font-size: clamp(0.85rem, 1.1vw, 1.05rem);
  font-weight: 450;
  letter-spacing: 0.02em;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 0;
  animation: itemFadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  will-change: transform, background, border-color, color;
}

@supports not (backdrop-filter: blur(6px)) {
  .menu-item {
    background: rgba(255, 255, 255, 0.05);
  }
}

.menu-item:nth-child(1) { animation-delay: 0.10s; }
.menu-item:nth-child(2) { animation-delay: 0.18s; }

@keyframes itemFadeUp {
  0% { opacity: 0; transform: translateY(30px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.menu-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.menu-item:hover::before {
  opacity: 1;
}

.menu-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.menu-item:hover::after {
  width: 100%;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5);
}

.menu-item:active {
  transform: scale(0.97) translateY(0);
  transition-duration: 0.08s;
}

.menu-item .icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0.7;
  transition: all 0.4s ease;
}

.menu-item .icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all 0.4s ease;
}

.menu-item:hover .icon svg {
  opacity: 1;
  transform: scale(1.1) rotate(-3deg);
  stroke: #ffffff;
}

.menu-item .label {
  display: block;
  transition: all 0.3s ease;
}

.menu-item:hover .label {
  letter-spacing: 0.06em;
}

@media (max-width: 600px) {
  .container {
    padding: 0 6vw;
  }
  .menu-item {
    padding: 0.8rem 1.2rem;
    gap: 0.8rem;
  }
  .menu-item .icon svg {
    width: 20px;
    height: 20px;
  }
}

@media (max-width: 320px) {
  .menu-item {
    padding: 0.6rem 0.8rem;
    font-size: 0.75rem;
    gap: 0.6rem;
  }
  .menu-item .icon svg {
    width: 16px;
    height: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-start .bg, .page-menu .bg, .page-menu .bg::after,
  .header h1, .divider, .menu-item, .page-menu .footer, .page-menu .footer .sep,
  .deco-glow .orb, .deco-lines .line, .deco-stars span,
  .deco-shapes .shape, .deco-rings .ring, .deco-grid-dynamic,
  .deco-ripples .ripple, .deco-progress circle, .deco-beams .beam,
  .deco-particles-float span {
    animation: none !important;
  }
  .menu-item { transition: none !important; }
  .container { animation: none !important; opacity: 1; }
  .header, .divider, .page-menu .footer {
    animation: none !important;
    opacity: 1;
  }
  .page-start .subtitle { animation: none !important; opacity: 1; }
  .page-start .header h1 .glow-text.done {
    animation: none !important;
    text-shadow: 0 0 20px rgba(255,255,255,0.02);
  }
  .deco-glow .orb { opacity: 0.08; }
  .deco-stars span { opacity: 0.2; }
  .deco-shapes .shape { opacity: 0.08; }
  .deco-rings .ring { opacity: 0.05; }
  .deco-grid-dynamic { opacity: 0.1; }
  .deco-ripples .ripple { display: none; }
  .deco-progress { opacity: 0.04; }
  .deco-beams { opacity: 0.04; }
  .deco-particles-float span { opacity: 0.05; }
}

@media (max-width: 480px) {
  .deco-progress { display: none; }
  .deco-rings .ring { display: none; }
  .deco-beams { opacity: 0.04; }
  .deco-shapes .shape { opacity: 0.06; }
}

@media (prefers-reduced-motion: reduce) and (max-width: 480px) {
  .deco-progress, .deco-rings .ring, .deco-beams { display: none; }
}

.start .menu-list {
  display: flex;
  flex-direction: row;
  gap: 1.5rem;
  max-width: 100%;
  flex-wrap: wrap;
}

.start .btn {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem 2.2rem;
  color: #ffffff;
  text-decoration: none;
  font-size: clamp(0.85rem, 1vw, 1rem);
  font-weight: 450;
  letter-spacing: 0.02em;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  opacity: 0;
  animation: btnFadeUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.start .btn:nth-child(1) { animation-delay: 0.15s; }
.start .btn:nth-child(2) { animation-delay: 0.25s; }

@keyframes btnFadeUp {
  0% { opacity: 0; transform: translateY(20px) scale(0.96); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

.start .btn .icon {
  opacity: 0.6;
  transition: opacity 0.4s ease;
}

.start .btn .icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.start .btn .arrow {
  color: rgba(255, 255, 255, 0.25);
  transition: transform 0.4s ease;
}

.start .btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.start .btn:hover .arrow {
  transform: translateX(4px);
}

.start .btn:hover .icon {
  opacity: 1;
}

.start .btn:active {
  transform: scale(0.97) translateY(0);
}

@media (max-width: 480px) {
  .start .menu-list {
    flex-direction: column;
    gap: 0.8rem;
  }
  .start .btn {
    padding: 0.7rem 1.6rem;
    justify-content: center;
  }
}