/* ========================================
   Global Styles - Cyberpunk Landing Page
   ======================================== */

/* Google Fonts - CN optimized domain */
@import url('https://fonts.googleapis.cn/css2?family=Orbitron:wght@400;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&family=Share+Tech+Mono&display=swap');

/* CSS Variables */
:root {
  --bg-deep: #05060A;
  --bg-card: rgba(10, 12, 20, 0.85);
  --glow-blue: #00D1FF;
  --glow-purple: #9D50FF;
  --alert-red: #FF3E5C;
  --alert-orange: #FF8C00;
  --text-white: #FFFFFF;
  --text-gray: #B0B8C4;
  --border-glow: rgba(0, 209, 255, 0.3);
  --ease-mech: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font-title: 'Orbitron', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
  --font-mono: 'Share Tech Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-white);
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--glow-blue), var(--glow-purple));
  border-radius: 3px;
}

/* ========================================
   Loading Screen
   ======================================== */
#loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity 0.8s var(--ease-mech), visibility 0.8s;
}
#loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.skeleton-container {
  width: 60%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.skeleton-line {
  height: 14px;
  border-radius: 7px;
  background: linear-gradient(90deg, rgba(0,209,255,0.05) 0%, rgba(0,209,255,0.15) 50%, rgba(157,80,255,0.05) 100%);
  background-size: 200% 100%;
  animation: skeleton-scan 1.5s ease-in-out infinite;
}
.skeleton-line.wide { width: 100%; }
.skeleton-line.medium { width: 70%; }
.skeleton-line.short { width: 40%; }
.skeleton-block {
  height: 120px;
  border-radius: 12px;
  border: 1px solid rgba(0,209,255,0.1);
  background: linear-gradient(90deg, rgba(0,209,255,0.03) 0%, rgba(157,80,255,0.08) 50%, rgba(0,209,255,0.03) 100%);
  background-size: 200% 100%;
  animation: skeleton-scan 1.5s ease-in-out infinite;
}
@keyframes skeleton-scan {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.loading-text {
  margin-top: 30px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--glow-blue);
  letter-spacing: 3px;
  animation: loading-pulse 1s ease-in-out infinite alternate;
}
@keyframes loading-pulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* ========================================
   Mouse Glow Follower
   ======================================== */
#mouse-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(circle, rgba(0,209,255,0.06) 0%, rgba(157,80,255,0.03) 40%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: left 0.3s ease-out, top 0.3s ease-out;
  will-change: left, top;
}

/* ========================================
   Background Particles Canvas
   ======================================== */
#particles-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ========================================
   Fade-in Animation
   ======================================== */
.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-mech), transform 0.8s var(--ease-mech);
}
.fade-in-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Module 1: Hero Section
   ======================================== */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  z-index: 2;
}
#dog-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
  pointer-events: none;
}
.hero-overlay > * {
  pointer-events: auto;
}
.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: 6px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--glow-blue) 0%, var(--glow-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 30px rgba(0,209,255,0.3));
  margin-bottom: 16px;
}
.hero-subtitle {
  font-family: var(--font-title);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-white);
  letter-spacing: 4px;
  margin-bottom: 12px;
  text-shadow: 0 0 20px rgba(0,209,255,0.4);
}
.hero-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--text-gray);
  margin-bottom: 32px;
  max-width: 500px;
}
.hero-cta {
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 2px;
  padding: 14px 40px;
  border: 1px solid var(--glow-blue);
  background: rgba(0,209,255,0.08);
  color: var(--glow-blue);
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s var(--ease-mech);
  text-transform: uppercase;
}
.hero-cta:hover {
  transform: translateY(-6px) scale(1.02);
  background: rgba(0,209,255,0.15);
  box-shadow: 0 0 30px rgba(0,209,255,0.3), inset 0 0 30px rgba(0,209,255,0.05);
  border-color: var(--glow-blue);
}

/* ========================================
   Warning Banner
   ======================================== */
.warning-banner {
  position: relative;
  z-index: 3;
  background: linear-gradient(90deg, rgba(255,62,92,0.15), rgba(255,62,92,0.05), rgba(255,62,92,0.15));
  border-top: 1px solid rgba(255,62,92,0.3);
  border-bottom: 1px solid rgba(255,62,92,0.3);
  padding: 12px 0;
  overflow: hidden;
}
.warning-scroll {
  display: flex;
  white-space: nowrap;
  animation: warning-marquee 20s linear infinite;
}
.warning-scroll span {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--alert-red);
  letter-spacing: 2px;
  padding-right: 100px;
  text-shadow: 0 0 10px rgba(255,62,92,0.5);
}
@keyframes warning-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ========================================
   Module 2: Registration Section
   ======================================== */
#registration {
  position: relative;
  z-index: 3;
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.reg-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 3vw, 2rem);
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 4px;
  color: var(--text-white);
  text-shadow: 0 0 20px rgba(0,209,255,0.3);
}

/* Data Panel */
.data-panel {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 20px;
}
.data-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 24px 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-mech);
}
.data-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glow-blue), transparent);
  animation: border-scan 3s linear infinite;
}
@keyframes border-scan {
  0% { left: -100%; }
  100% { left: 100%; }
}
.data-item:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--glow-blue);
  box-shadow: 0 0 25px rgba(0,209,255,0.15);
}
.data-label {
  display: block;
  font-size: 13px;
  color: var(--text-gray);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.data-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--glow-blue);
  text-shadow: 0 0 15px rgba(0,209,255,0.5);
}
.data-value.warning {
  color: var(--alert-orange);
  text-shadow: 0 0 15px rgba(255,140,0,0.5);
  animation: pulse-warning 1.5s ease-in-out infinite;
}
.data-value.critical {
  color: var(--alert-red);
  text-shadow: 0 0 15px rgba(255,62,92,0.5);
  animation: pulse-critical 0.6s ease-in-out infinite;
}
@keyframes pulse-warning {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes pulse-critical {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Registration Main Layout */
.reg-main {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
}

/* Log Panel */
.log-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  overflow: hidden;
  max-height: 420px;
  display: flex;
  flex-direction: column;
}
.log-header {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--glow-blue);
  padding: 14px 16px;
  border-bottom: 1px solid rgba(0,209,255,0.15);
  letter-spacing: 2px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.log-list {
  flex: 1;
  overflow: hidden;
  position: relative;
  padding: 8px 0;
}
.log-list-inner {
  animation: log-scroll 30s linear infinite;
}
.log-entry {
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text-gray);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-family: var(--font-mono);
}
.log-entry .log-time {
  color: var(--glow-blue);
  margin-right: 8px;
}
.log-entry .log-name {
  color: var(--glow-purple);
}
@keyframes log-scroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

/* Registration Form */
.reg-form {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group input[type="text"],
.form-group input[type="email"] {
  width: 100%;
  padding: 14px 18px;
  background: rgba(0,209,255,0.04);
  border: 1px solid rgba(0,209,255,0.2);
  border-radius: 8px;
  color: var(--text-white);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: all 0.3s var(--ease-mech);
}
.form-group input[type="text"]::placeholder,
.form-group input[type="email"]::placeholder {
  color: rgba(176,184,196,0.5);
}
.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus {
  border-color: var(--glow-blue);
  box-shadow: 0 0 20px rgba(0,209,255,0.1), inset 0 0 20px rgba(0,209,255,0.03);
}
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid rgba(0,209,255,0.15);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-gray);
  transition: all 0.3s var(--ease-mech);
  background: rgba(0,209,255,0.02);
}
.radio-label:hover {
  border-color: var(--glow-blue);
  color: var(--text-white);
}
.radio-label input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,209,255,0.4);
  border-radius: 50%;
  position: relative;
  cursor: pointer;
}
.radio-label input[type="radio"]:checked {
  border-color: var(--glow-blue);
}
.radio-label input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  inset: 2px;
  background: var(--glow-blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--glow-blue);
}
.radio-label:has(input:checked) {
  border-color: var(--glow-blue);
  background: rgba(0,209,255,0.08);
  color: var(--text-white);
}

/* Submit Button */
.submit-btn {
  font-family: var(--font-title);
  font-size: 14px;
  letter-spacing: 3px;
  padding: 16px 32px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-mech);
  color: var(--text-white);
  background: linear-gradient(135deg, var(--glow-blue), var(--glow-purple));
  box-shadow: 0 0 20px rgba(0,209,255,0.2);
  animation: btn-breathe 2s ease-in-out infinite;
}
.submit-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  animation: none;
  filter: grayscale(0.5);
}
.submit-btn:not(:disabled):hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 0 40px rgba(0,209,255,0.3), 0 0 80px rgba(157,80,255,0.15);
}
.submit-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: left 0.5s;
}
.submit-btn:not(:disabled):hover::before {
  left: 100%;
}
@keyframes btn-breathe {
  0%, 100% { box-shadow: 0 0 20px rgba(0,209,255,0.2); }
  50% { box-shadow: 0 0 35px rgba(0,209,255,0.35), 0 0 60px rgba(157,80,255,0.15); }
}

/* ========================================
   Highlight Card (between Registration & Video)
   ======================================== */
.highlight-card-section {
  position: relative;
  z-index: 3;
  padding: 20px 20px 60px;
  max-width: 1000px;
  margin: 0 auto;
}
.highlight-card {
  position: relative;
  background: linear-gradient(135deg, rgba(0,209,255,0.06) 0%, rgba(157,80,255,0.08) 100%);
  border: 1px solid rgba(0,209,255,0.35);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  overflow: hidden;
  transition: all 0.4s var(--ease-mech);
}
.highlight-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--glow-blue);
  box-shadow: 0 0 50px rgba(0,209,255,0.15), 0 0 100px rgba(157,80,255,0.08);
}
.highlight-card-glow {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glow-blue), var(--glow-purple), transparent);
  animation: border-scan 3s linear infinite;
}
.highlight-card-glow::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glow-purple), transparent);
  animation: border-scan 4s linear infinite reverse;
}
.highlight-card-content {
  position: relative;
  z-index: 1;
}
.highlight-line-1 {
  font-family: var(--font-body);
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.8;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(0,209,255,0.2);
}
.highlight-line-2 {
  font-family: var(--font-title);
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  letter-spacing: 3px;
  color: var(--glow-blue);
  text-shadow: 0 0 15px rgba(0,209,255,0.4);
}

/* ========================================
   Module 3: Video Section
   ======================================== */
#video-section {
  position: relative;
  z-index: 3;
  padding: 80px 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.video-wrapper {
  position: relative;
  border-radius: 20px;
  border: 2px solid transparent;
  background: var(--bg-card);
  overflow: hidden;
  transition: all 0.4s var(--ease-mech);
  aspect-ratio: 16/9;
}
.video-wrapper::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  padding: 2px;
  background: linear-gradient(135deg, var(--glow-blue), var(--glow-purple), var(--glow-blue));
  background-size: 300% 300%;
  animation: gradient-rotate 4s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: 1;
  pointer-events: none;
}
@keyframes gradient-rotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.video-wrapper:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 0 40px rgba(0,209,255,0.15);
}
.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(5,6,10,0.9);
  z-index: 2;
}
.video-placeholder span {
  font-family: var(--font-title);
  font-size: 18px;
  color: var(--glow-blue);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.video-placeholder p {
  font-size: 13px;
  color: var(--text-gray);
}
.video-desc {
  text-align: center;
  margin-top: 20px;
  color: var(--text-gray);
  font-size: 14px;
}

/* ========================================
   Module 4: Content Section
   ======================================== */
#content-section {
  position: relative;
  z-index: 3;
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}
.content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 12px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s var(--ease-mech);
}
.content-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--glow-purple), transparent);
  animation: border-scan 4s linear infinite;
}
.content-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--glow-purple);
  box-shadow: 0 0 30px rgba(157,80,255,0.12);
}
.content-card h3 {
  font-family: var(--font-title);
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--glow-blue);
  margin-bottom: 16px;
}
.content-card p {
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.8;
}

/* FAQ */
.faq-section {
  margin-top: 40px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(0,209,255,0.1);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s var(--ease-mech);
}
.faq-item:hover {
  border-color: rgba(0,209,255,0.3);
}
.faq-question {
  padding: 20px 24px;
  font-size: 15px;
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 500;
}
.faq-question::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--glow-blue);
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-mech), padding 0.4s;
  padding: 0 24px;
  color: var(--text-gray);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 200px;
  padding: 0 24px 20px;
}

/* ========================================
   Floating Button
   ======================================== */
#floating-btn {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1000;
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 1px;
  padding: 16px 28px;
  border: 1px solid var(--glow-blue);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0,209,255,0.15), rgba(157,80,255,0.15));
  color: var(--text-white);
  cursor: pointer;
  animation: float-breathe 2s ease-in-out infinite;
  transition: all 0.3s var(--ease-mech);
  white-space: nowrap;
}
#floating-btn:hover {
  transform: translateY(-6px) scale(1.05);
  box-shadow: 0 0 40px rgba(0,209,255,0.3), 0 0 80px rgba(157,80,255,0.15);
  border-color: var(--glow-blue);
}
@keyframes float-breathe {
  0%, 100% {
    box-shadow: 0 0 15px rgba(0,209,255,0.2);
    border-color: rgba(0,209,255,0.5);
  }
  50% {
    box-shadow: 0 0 30px rgba(0,209,255,0.4), 0 0 60px rgba(157,80,255,0.2);
    border-color: rgba(0,209,255,1);
  }
}

/* ========================================
   Success Modal
   ======================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(5,6,10,0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s var(--ease-mech);
  backdrop-filter: blur(10px);
}
.modal.active {
  opacity: 1;
  visibility: visible;
}
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--glow-blue);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  position: relative;
  box-shadow: 0 0 60px rgba(0,209,255,0.15);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s var(--ease-mech);
}
.modal.active .modal-content {
  transform: scale(1) translateY(0);
}
.modal-content canvas {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  display: block;
}
.modal-content h3 {
  font-family: var(--font-title);
  font-size: 20px;
  letter-spacing: 3px;
  color: var(--glow-blue);
  margin-bottom: 12px;
}
.modal-content p {
  color: var(--text-gray);
  font-size: 14px;
  margin-bottom: 28px;
}
.modal-content button {
  font-family: var(--font-title);
  font-size: 13px;
  letter-spacing: 2px;
  padding: 12px 36px;
  border: 1px solid var(--glow-blue);
  background: rgba(0,209,255,0.1);
  color: var(--glow-blue);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.3s var(--ease-mech);
}
.modal-content button:hover {
  background: rgba(0,209,255,0.2);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0,209,255,0.2);
}

/* ========================================
   Footer
   ======================================== */
footer {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid rgba(0,209,255,0.1);
  color: var(--text-gray);
  font-size: 12px;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 768px) {
  .data-panel {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .data-item {
    padding: 16px 8px;
  }
  .data-value {
    font-size: 1.5rem;
  }
  .reg-main {
    grid-template-columns: 1fr;
  }
  .log-panel {
    max-height: 200px;
  }
  .reg-form {
    padding: 20px;
  }
  .radio-group {
    flex-direction: column;
  }
  #floating-btn {
    bottom: 16px;
    right: 16px;
    font-size: 11px;
    padding: 12px 20px;
  }
  .content-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    letter-spacing: 3px;
  }
  #mouse-glow {
    display: none;
  }
}
@media (max-width: 480px) {
  .data-panel {
    grid-template-columns: 1fr;
  }
}