/* ============================================================
   HHpoker 德扑圈 — Dark Neon Noir Theme
   Palette: #000000 (Pitch Black) + #f59e0b (Amber Neon)
   ============================================================ */

/* --- CSS Variables --- */
:root {
  --black: #000000;
  --black-rich: #0a0a0a;
  --black-soft: #111111;
  --black-card: #0d0d0d;
  --amber: #f59e0b;
  --amber-dim: #b45309;
  --amber-glow: rgba(245, 158, 11, 0.25);
  --amber-glow-strong: rgba(245, 158, 11, 0.5);
  --white: #ffffff;
  --white-soft: #e5e5e5;
  --gray: #888888;
  --gray-dark: #333333;
  --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--black);
  color: var(--white-soft);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: default;
}

::selection {
  background: var(--amber);
  color: var(--black);
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--amber-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber); }

/* --- Typography --- */
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: 0.75rem;
  color: var(--amber);
  border: 1px solid var(--amber-dim);
  padding: 4px 16px;
  border-radius: 2px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Amber Glow Utility --- */
.amber-text { color: var(--amber); }
.amber-glow-text {
  color: var(--amber);
  text-shadow: 0 0 20px var(--amber-glow), 0 0 40px var(--amber-glow), 0 0 80px var(--amber-glow);
}
.amber-border-glow {
  border-color: var(--amber);
  box-shadow: 0 0 10px var(--amber-glow), inset 0 0 10px var(--amber-glow);
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(245, 158, 11, 0.12);
  transition: var(--transition);
}

.navbar.scrolled {
  border-bottom-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
  transition: var(--transition);
}

.nav-logo .logo-icon {
  color: var(--amber);
  font-size: 1.5rem;
  filter: drop-shadow(0 0 8px var(--amber-glow));
}

.nav-logo span { color: var(--amber); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--white-soft);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  position: relative;
  padding: 6px 0;
  transition: var(--transition);
}

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

.nav-links a:hover { color: var(--amber); }
.nav-links a:hover::after { width: 100%; }

.nav-cta-btn {
  display: inline-block;
  padding: 8px 22px;
  border: 1px solid var(--amber);
  color: var(--amber) !important;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: var(--amber);
  color: var(--black) !important;
  box-shadow: 0 0 20px var(--amber-glow), 0 0 40px var(--amber-glow-strong);
}

.nav-cta-btn::after { display: none !important; }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 2.5rem;
    transition: right var(--transition);
    border-left: 1px solid rgba(245, 158, 11, 0.15);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1rem; }
  .nav-toggle { display: flex; }
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 50% 40%, rgba(245, 158, 11, 0.06) 0%, transparent 70%),
              var(--black);
  overflow: hidden;
  padding: 120px 1.5rem 80px;
}

/* Neon orb glow */
.hero::before {
  content: '';
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: orbPulse 4s ease-in-out infinite;
}

@keyframes orbPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

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

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--amber);
  border-radius: 50%;
  opacity: 0;
  animation: floatUp 6s linear infinite;
}

@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1.5); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--amber);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease-out;
}

.hero-badge .badge-dot {
  width: 6px;
  height: 6px;
  background: var(--amber);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--amber-glow);
  animation: orbPulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-title .highlight {
  color: var(--amber);
  text-shadow: 0 0 30px var(--amber-glow), 0 0 60px var(--amber-glow);
  display: inline;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--amber);
  color: var(--black);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  text-decoration: none;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 0 30px var(--amber-glow), 0 0 60px var(--amber-glow-strong);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  box-shadow: 0 0 40px var(--amber-glow-strong), 0 0 80px var(--amber-glow);
  transform: translateY(-2px);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.2) 50%, transparent 60%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: transparent;
  color: var(--white);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 1px;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 3px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-outline:hover {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 15px var(--amber-glow);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--gray);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  animation: fadeInUp 1s ease-out 0.8s both;
}

.hero-scroll .scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, var(--amber), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features {
  position: relative;
  padding: 100px 1.5rem;
  background: var(--black);
}

.features::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--amber-dim));
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  background: var(--black-card);
  border: 1px solid rgba(245, 158, 11, 0.12);
  padding: 2.5rem 2rem;
  border-radius: 6px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber-dim), transparent);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 30px var(--amber-glow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  color: var(--amber);
  font-size: 1.5rem;
  transition: var(--transition);
  filter: drop-shadow(0 0 6px var(--amber-glow));
}

.feature-card:hover .feature-icon {
  box-shadow: 0 0 20px var(--amber-glow);
  background: rgba(245, 158, 11, 0.14);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
  letter-spacing: 0.5px;
}

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

/* ============================================================
   STATS SECTION
   ============================================================ */
.stats {
  position: relative;
  padding: 80px 1.5rem;
  background: var(--black-rich);
  overflow: hidden;
}

.stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(245, 158, 11, 0.04) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 50%, rgba(245, 158, 11, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
  padding: 2rem 1rem;
  border: 1px solid rgba(245, 158, 11, 0.08);
  background: rgba(245, 158, 11, 0.02);
  border-radius: 4px;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: rgba(245, 158, 11, 0.25);
}

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 20px var(--amber-glow), 0 0 40px var(--amber-glow);
  font-variant-numeric: tabular-nums;
}

.stat-number .plus { font-size: 2rem; }

.stat-label {
  color: var(--gray);
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ============================================================
   GAME TYPES SECTION
   ============================================================ */
.game-types {
  padding: 100px 1.5rem;
  background: var(--black);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.game-card {
  background: var(--black-card);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.game-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: var(--amber-dim);
  opacity: 0;
  transition: var(--transition);
}

.game-card:hover {
  border-color: rgba(245, 158, 11, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

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

.game-card .game-icon {
  font-size: 2.5rem;
  color: var(--amber);
  margin-bottom: 1rem;
  filter: drop-shadow(0 0 6px var(--amber-glow));
}

.game-card h4 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.game-card p {
  font-size: 0.85rem;
  color: var(--gray);
}

/* ============================================================
   TESTIMONIALS SECTION
   ============================================================ */
.testimonials {
  padding: 100px 1.5rem;
  background: var(--black-rich);
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.testimonial-card {
  background: var(--black-card);
  border: 1px solid rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--amber-dim);
  padding: 2rem;
  border-radius: 4px;
  transition: var(--transition);
  position: relative;
}

.testimonial-card:hover {
  border-left-color: var(--amber);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.06);
}

.testimonial-card .quote-icon {
  color: var(--amber-dim);
  font-size: 2rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.testimonial-card p {
  color: var(--white-soft);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--amber);
  font-weight: 700;
  font-size: 0.9rem;
}

.author-info .author-name {
  font-weight: 600;
  color: var(--white);
  font-size: 0.9rem;
}

.author-info .author-role {
  color: var(--gray);
  font-size: 0.75rem;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq {
  padding: 100px 1.5rem;
  background: var(--black);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(245, 158, 11, 0.08);
  margin-bottom: 0;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 600;
  padding: 1.25rem 0;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-sans);
  transition: var(--transition);
  letter-spacing: 0.5px;
}

.faq-question:hover { color: var(--amber); }

.faq-indicator {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  color: var(--amber);
  font-size: 0.75rem;
  transition: var(--transition);
}

.faq-item.active .faq-indicator {
  background: var(--amber);
  color: var(--black);
  border-color: var(--amber);
  box-shadow: 0 0 12px var(--amber-glow);
}

.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;
  padding-bottom: 1.25rem;
}

.faq-answer p {
  color: var(--gray);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  position: relative;
  padding: 100px 1.5rem;
  background: var(--black);
  overflow: hidden;
  text-align: center;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.07) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--white);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-content p {
  color: var(--gray);
  margin-bottom: 2rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.cta-highlight {
  color: var(--amber);
  text-shadow: 0 0 20px var(--amber-glow);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--black);
  border-top: 1px solid rgba(245, 158, 11, 0.1);
  padding: 60px 1.5rem 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto 3rem;
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(245, 158, 11, 0.15);
}

.footer-col ul { list-style: none; }

.footer-col ul li { margin-bottom: 0.65rem; }

.footer-col ul li a {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-col ul li a:hover { color: var(--amber); }

.footer-col p {
  color: var(--gray);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-bottom p {
  color: var(--gray);
  font-size: 0.8rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: 50%;
  color: var(--gray);
  font-size: 0.9rem;
  transition: var(--transition);
  text-decoration: none;
}

.footer-social a:hover {
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 10px var(--amber-glow);
}

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

.cs-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--amber);
  color: var(--black);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 20px var(--amber-glow), 0 0 40px var(--amber-glow-strong);
  transition: var(--transition);
  position: relative;
}

.cs-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 30px var(--amber-glow-strong), 0 0 60px var(--amber-glow);
}

.cs-btn .pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  animation: ringPulse 2s ease-out infinite;
}

@keyframes ringPulse {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

.cs-popup {
  position: fixed;
  bottom: 100px;
  right: 30px;
  z-index: 998;
  width: 300px;
  background: var(--black-card);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.9);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition);
}

.cs-popup.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.cs-popup h5 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.cs-popup p {
  color: var(--gray);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.cs-popup .cs-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid rgba(245, 158, 11, 0.1);
  border-radius: 6px;
  margin-bottom: 0.5rem;
  color: var(--white-soft);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
  cursor: pointer;
}

.cs-popup .cs-contact-item:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--amber-dim);
}

.cs-popup .cs-contact-item i {
  color: var(--amber);
  width: 20px;
  text-align: center;
}

/* ============================================================
   ANIMATIONS — Intersection Observer reveal
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 999;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  border: 1px solid rgba(245, 158, 11, 0.2);
  color: var(--amber);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--amber);
  color: var(--black);
  box-shadow: 0 0 15px var(--amber-glow);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
  .hero { padding: 100px 1rem 60px; }
  .hero-title { font-size: 1.75rem; }
  .btn-primary, .btn-outline { width: 100%; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .stat-number { font-size: 2rem; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cs-popup { width: calc(100vw - 40px); right: 20px; }
}