/* ============================================================
   HHPOKER - 赛博朋克风格样式表
   Base: indigo-900 | Cyan-400 (#00e5ff) | Purple-500 (#a855f7)
   ============================================================ */

/* ---------- CSS Variables / Root ---------- */
:root {
  --bg-deep: #0a0020;
  --bg-dark: #0f0028;
  --bg-card: rgba(15, 0, 40, 0.85);
  --bg-card-hover: rgba(25, 0, 55, 0.92);
  --cyan-400: #00e5ff;
  --cyan-500: #00b8d4;
  --cyan-glow: rgba(0, 229, 255, 0.5);
  --purple-500: #a855f7;
  --purple-400: #c084fc;
  --purple-glow: rgba(168, 85, 247, 0.5);
  --magenta-400: #e040fb;
  --green-400: #00e676;
  --yellow-400: #ffeb3b;
  --orange-400: #ff9800;
  --text-primary: #e8e6f0;
  --text-secondary: #a8a4b8;
  --text-muted: #6e6a7c;
  --border-neon: rgba(0, 229, 255, 0.3);
  --border-purple: rgba(168, 85, 247, 0.35);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-mono: 'Courier New', 'Consolas', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(0, 229, 255, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(168, 85, 247, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(0, 229, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---------- Utility Classes ---------- */
.text-cyan { color: var(--cyan-400); text-shadow: 0 0 12px var(--cyan-glow); }
.text-purple { color: var(--purple-400); text-shadow: 0 0 12px var(--purple-glow); }

/* ---------- Section Container ---------- */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-badge {
  display: inline-block;
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan-400);
  border: 1px solid var(--border-neon);
  border-radius: 50px;
  background: rgba(0, 229, 255, 0.08);
  margin-bottom: 20px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 0, 32, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
  transition: var(--transition);
}

.nav.scrolled {
  background: rgba(10, 0, 32, 0.95);
  border-bottom-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 4px 30px rgba(0, 229, 255, 0.08);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 1px;
}

.logo-icon {
  color: var(--cyan-400);
  font-size: 1.5rem;
  filter: drop-shadow(0 0 6px var(--cyan-glow));
}

.logo-accent {
  color: var(--cyan-400);
  text-shadow: 0 0 10px var(--cyan-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-400);
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: width var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan-400);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta-link {
  padding: 8px 22px;
  border: 1px solid var(--cyan-400);
  border-radius: 50px;
  color: var(--cyan-400) !important;
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.2), inset 0 0 12px rgba(0, 229, 255, 0.05);
  transition: all var(--transition);
}

.nav-cta-link:hover {
  background: rgba(0, 229, 255, 0.12);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.35), inset 0 0 20px rgba(0, 229, 255, 0.1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--cyan-400);
  border-radius: 2px;
  transition: var(--transition);
  box-shadow: 0 0 6px var(--cyan-glow);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 0 80px;
}

/* Neon Grid Overlay */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPulse 4s ease-in-out infinite;
  pointer-events: none;
}

@keyframes gridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Floating Particles */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--cyan-400);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan-glow);
  animation: floatUp linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-duration: 8s; animation-delay: 0s; }
.particle:nth-child(2) { left: 25%; animation-duration: 12s; animation-delay: 2s; background: var(--purple-500); box-shadow: 0 0 8px var(--purple-glow); }
.particle:nth-child(3) { left: 45%; animation-duration: 10s; animation-delay: 4s; }
.particle:nth-child(4) { left: 65%; animation-duration: 14s; animation-delay: 1s; background: var(--purple-500); box-shadow: 0 0 8px var(--purple-glow); }
.particle:nth-child(5) { left: 80%; animation-duration: 9s; animation-delay: 3s; }
.particle:nth-child(6) { left: 92%; animation-duration: 11s; animation-delay: 5s; background: var(--purple-500); box-shadow: 0 0 8px var(--purple-glow); }

@keyframes floatUp {
  0%    { bottom: -10%; opacity: 0; transform: translateX(0) scale(0.5); }
  10%   { opacity: 1; }
  90%   { opacity: 1; }
  100%  { bottom: 110%; opacity: 0; transform: translateX(40px) scale(1.5); }
}

.hero-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 0.85rem;
  color: var(--cyan-400);
  border: 1px solid var(--border-neon);
  border-radius: 50px;
  background: rgba(0, 229, 255, 0.06);
  width: fit-content;
  letter-spacing: 1px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan-400);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-glow);
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 2px;
  color: #ffffff;
  text-shadow: 0 0 40px rgba(0, 229, 255, 0.4), 0 0 80px rgba(0, 229, 255, 0.15);
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--purple-400);
  font-weight: 600;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 50px;
  transition: all var(--transition);
  overflow: hidden;
  letter-spacing: 1px;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.2), rgba(0, 184, 212, 0.15));
  border: 1px solid var(--cyan-400);
  color: var(--cyan-400);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.25), inset 0 0 20px rgba(0, 229, 255, 0.05);
}

.btn-primary:hover {
  background: rgba(0, 229, 255, 0.18);
  box-shadow: 0 0 35px rgba(0, 229, 255, 0.4), inset 0 0 30px rgba(0, 229, 255, 0.1);
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(168, 85, 247, 0.1));
  border: 1px solid var(--purple-500);
  color: var(--purple-400);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.25), inset 0 0 20px rgba(168, 85, 247, 0.05);
}

.btn-secondary:hover {
  background: rgba(168, 85, 247, 0.18);
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.4), inset 0 0 30px rgba(168, 85, 247, 0.1);
  transform: translateY(-2px);
}

.btn-glow {
  position: absolute;
  inset: 0;
  border-radius: 50px;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover .btn-glow {
  opacity: 1;
}

.btn-icon {
  font-size: 1rem;
}

/* Hero Mini Stats */
.hero-stats-mini {
  display: flex;
  gap: 32px;
  margin-top: 12px;
  padding-top: 20px;
  border-top: 1px solid rgba(0, 229, 255, 0.15);
}

.hero-stat-mini {
  text-align: center;
}

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan-400);
  font-family: var(--font-mono);
  text-shadow: 0 0 12px var(--cyan-glow);
}

.hero-stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.2), 0 0 80px rgba(168, 85, 247, 0.1);
}

.hero-image {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius-lg);
}

.hero-image-border {
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--cyan-400), var(--purple-500), var(--cyan-400)) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.hero-image-glow {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.15), transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Scroll Indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  z-index: 1;
}

.scroll-arrow {
  animation: bounceDown 2s ease-in-out infinite;
  color: var(--cyan-400);
}

@keyframes bounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid;
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Different colored borders */
.border-cyan {
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 229, 255, 0.08), inset 0 0 15px rgba(0, 229, 255, 0.03);
}
.border-cyan:hover { box-shadow: 0 0 35px rgba(0, 229, 255, 0.2); }
.border-cyan::before { background: var(--cyan-400); box-shadow: 0 0 15px var(--cyan-glow); }

.border-purple {
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 0 15px rgba(168, 85, 247, 0.08), inset 0 0 15px rgba(168, 85, 247, 0.03);
}
.border-purple:hover { box-shadow: 0 0 35px rgba(168, 85, 247, 0.2); }
.border-purple::before { background: var(--purple-500); box-shadow: 0 0 15px var(--purple-glow); }

.border-magenta {
  border-color: rgba(224, 64, 251, 0.3);
  box-shadow: 0 0 15px rgba(224, 64, 251, 0.08), inset 0 0 15px rgba(224, 64, 251, 0.03);
}
.border-magenta:hover { box-shadow: 0 0 35px rgba(224, 64, 251, 0.2); }
.border-magenta::before { background: var(--magenta-400); box-shadow: 0 0 15px rgba(224, 64, 251, 0.5); }

.border-green {
  border-color: rgba(0, 230, 118, 0.3);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.08), inset 0 0 15px rgba(0, 230, 118, 0.03);
}
.border-green:hover { box-shadow: 0 0 35px rgba(0, 230, 118, 0.2); }
.border-green::before { background: var(--green-400); box-shadow: 0 0 15px rgba(0, 230, 118, 0.5); }

.border-yellow {
  border-color: rgba(255, 235, 59, 0.3);
  box-shadow: 0 0 15px rgba(255, 235, 59, 0.08), inset 0 0 15px rgba(255, 235, 59, 0.03);
}
.border-yellow:hover { box-shadow: 0 0 35px rgba(255, 235, 59, 0.2); }
.border-yellow::before { background: var(--yellow-400); box-shadow: 0 0 15px rgba(255, 235, 59, 0.5); }

.border-orange {
  border-color: rgba(255, 152, 0, 0.3);
  box-shadow: 0 0 15px rgba(255, 152, 0, 0.08), inset 0 0 15px rgba(255, 152, 0, 0.03);
}
.border-orange:hover { box-shadow: 0 0 35px rgba(255, 152, 0, 0.2); }
.border-orange::before { background: var(--orange-400); box-shadow: 0 0 15px rgba(255, 152, 0, 0.5); }

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: 1px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   STATS SECTION
   ============================================================ */
.stats {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  transition: all var(--transition);
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.stat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.15), inset 0 0 30px rgba(0, 229, 255, 0.03);
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 900;
  font-family: var(--font-mono);
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--cyan-400), var(--purple-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 15px rgba(0, 229, 255, 0.4));
}

.stat-suffix {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan-400), var(--purple-500));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition);
  overflow: hidden;
}

.testimonial-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(168, 85, 247, 0.06), transparent 60%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-6px);
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 0 35px rgba(168, 85, 247, 0.18);
}

.testimonial-card:hover .testimonial-glow {
  opacity: 1;
}

.testimonial-quote {
  font-size: 4rem;
  line-height: 1;
  color: var(--purple-400);
  font-family: Georgia, serif;
  opacity: 0.5;
  margin-bottom: -10px;
  text-shadow: 0 0 15px var(--purple-glow);
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid rgba(168, 85, 247, 0.15);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--purple-500);
  box-shadow: 0 0 12px var(--purple-glow);
  object-fit: cover;
}

.testimonial-info strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.testimonial-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: all var(--transition);
}

.faq-item:hover {
  border-color: rgba(0, 229, 255, 0.35);
}

.faq-item.active {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.12), inset 0 0 20px rgba(0, 229, 255, 0.03);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  transition: var(--transition);
}

.faq-q-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--cyan-400);
  border: 1px solid rgba(0, 229, 255, 0.4);
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.08);
  text-shadow: 0 0 8px var(--cyan-glow);
}

.faq-arrow {
  margin-left: auto;
  font-size: 1rem;
  color: var(--cyan-400);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-arrow {
  transform: rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px 70px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta {
  position: relative;
  padding: 100px 0;
  z-index: 1;
  overflow: hidden;
}

.cta-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.cta-card {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 64px 48px;
  background: var(--bg-card);
  border: 1px solid rgba(0, 229, 255, 0.3);
  border-radius: var(--radius-xl);
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.1), 0 0 120px rgba(168, 85, 247, 0.06);
  overflow: hidden;
}

.cta-glow-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
}

.cta-glow-orb-1 {
  width: 300px;
  height: 300px;
  background: rgba(0, 229, 255, 0.1);
  top: -100px;
  right: -100px;
}

.cta-glow-orb-2 {
  width: 250px;
  height: 250px;
  background: rgba(168, 85, 247, 0.1);
  bottom: -100px;
  left: -80px;
}

.cta-badge {
  margin-bottom: 24px;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn-cta-primary {
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.25), rgba(0, 229, 255, 0.12));
  border: 1px solid var(--cyan-400);
  color: #ffffff;
  font-size: 1.05rem;
  padding: 16px 36px;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.3);
  font-weight: 700;
}

.btn-cta-primary:hover {
  background: rgba(0, 229, 255, 0.22);
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.45);
  transform: translateY(-2px);
}

.btn-cta-secondary {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.25), rgba(168, 85, 247, 0.12));
  border: 1px solid var(--purple-500);
  color: #ffffff;
  font-size: 1.05rem;
  padding: 16px 36px;
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.3);
  font-weight: 700;
}

.btn-cta-secondary:hover {
  background: rgba(168, 85, 247, 0.22);
  box-shadow: 0 0 50px rgba(168, 85, 247, 0.45);
  transform: translateY(-2px);
}

.cta-contact-info {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 10px 20px;
  background: rgba(0, 229, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: 50px;
}

.contact-icon {
  font-size: 1rem;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  padding: 64px 0 32px;
  z-index: 1;
  border-top: 1px solid rgba(0, 229, 255, 0.1);
}

.footer-glow-line {
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-400), transparent);
  box-shadow: 0 0 20px var(--cyan-glow);
  opacity: 0.5;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 16px;
}

.footer-links-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-links-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col li,
.footer-links-col li span {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

.footer-links-col a:hover {
  color: var(--cyan-400);
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 229, 255, 0.08);
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   FLOATING CUSTOMER SERVICE
   ============================================================ */
.floating-cs {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
}

.floating-cs-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.3), rgba(0, 0, 0, 0.8));
  border: 2px solid var(--cyan-400);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 25px rgba(0, 229, 255, 0.35);
  transition: all var(--transition);
  position: relative;
}

.floating-cs-btn:hover {
  box-shadow: 0 0 45px rgba(0, 229, 255, 0.55);
  transform: scale(1.05);
}

.cs-icon {
  font-size: 1.6rem;
}

.cs-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--cyan-400);
  animation: pulseRing 2s ease-out infinite;
  pointer-events: none;
}

@keyframes pulseRing {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}

.floating-cs-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 320px;
  background: rgba(15, 0, 40, 0.97);
  border: 1px solid rgba(0, 229, 255, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.15);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition);
  backdrop-filter: blur(20px);
}

.floating-cs-panel.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.cs-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(0, 229, 255, 0.08);
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
  font-weight: 700;
  font-size: 0.95rem;
}

.cs-panel-close {
  color: var(--text-secondary);
  font-size: 1.2rem;
  padding: 2px 6px;
  transition: color var(--transition);
}

.cs-panel-close:hover {
  color: var(--cyan-400);
}

.cs-panel-body {
  padding: 20px;
}

.cs-panel-body > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.cs-quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.cs-quick-btn {
  padding: 10px 12px;
  font-size: 0.82rem;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
  text-align: center;
}

.cs-quick-btn:hover {
  background: rgba(0, 229, 255, 0.12);
  border-color: rgba(0, 229, 255, 0.5);
  color: var(--cyan-400);
  box-shadow: 0 0 12px rgba(0, 229, 255, 0.15);
}

.cs-contact-methods {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 229, 255, 0.1);
}

.cs-method {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: rgba(0, 229, 255, 0.04);
  border-radius: var(--radius-sm);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-content { align-items: center; }
  .hero-badge { margin: 0 auto; }
  .hero-stats-mini { justify-content: center; }
  .hero-buttons { justify-content: center; }
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .hero-image { max-width: 320px; }

  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }

  .cta-card { padding: 40px 24px; }
  .cta-title { font-size: 1.8rem; }
  .cta-buttons { flex-direction: column; align-items: center; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: rgba(10, 0, 32, 0.98);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 80px 32px;
    transition: right var(--transition);
    border-left: 1px solid rgba(0, 229, 255, 0.15);
    backdrop-filter: blur(20px);
  }

  .nav-links.open { right: 0; }
  .menu-toggle { display: flex; }

  .hero-stats-mini { gap: 20px; }
  .hero-stat-num { font-size: 1.2rem; }

  .floating-cs-panel { width: 280px; right: -10px; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .cta-contact-info { flex-direction: column; align-items: center; }
  .stat-number { font-size: 2.2rem; }
  .floating-cs { bottom: 20px; right: 16px; }
  .floating-cs-panel { width: 260px; bottom: 75px; }
}

/* ============================================================
   LOADING / INITIAL ANIMATION
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}