/* ============================================================
   HHpoker / 德扑圈 Poker Platform - Tropical Jungle Theme
   Custom Styles
   ============================================================ */

/* --- Google Fonts (loaded in HTML via CDN) --- */
/* Noto Sans SC for Chinese, Poppins for headings */

/* ============================================================
   CSS Variables - Tropical Jungle Color Palette
   ============================================================ */
:root {
  /* Primary Greens */
  --green-darkest: #0D3B1E;
  --green-dark: #14532D;
  --green-mid: #228B22;
  --green-bright: #2E7D32;
  --green-light: #4CAF50;
  --green-lighter: #81C784;
  --green-pale: #A5D6A7;
  --green-glow: #C8E6C9;

  /* Tropical Accent Colors */
  --amber: #FF8F00;
  --amber-dark: #E65100;
  --gold: #FFB300;
  --gold-light: #FFD54F;
  --coral: #FF6F00;
  --sunset: #FF5722;

  /* Earth Tones */
  --earth-dark: #3E2723;
  --earth-mid: #5D4037;
  --earth-light: #8D6E63;
  --sand: #D7CCC8;
  --cream: #EFEBE9;

  /* Neutrals */
  --white: #FFFFFF;
  --off-white: #F1F8E9;
  --gray-light: #E8F5E9;
  --text-dark: #1B1B1B;
  --text-mid: #37474F;
  --text-light: #78909C;
}

/* ============================================================
   Base & Body
   ============================================================ */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', 'Poppins', sans-serif;
  background-color: var(--off-white);
  color: var(--text-dark);
  overflow-x: hidden;
  position: relative;
}

/* Subtle tropical leaf pattern overlay on body */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 400 400'%3E%3Cpath fill='%23228B22' d='M200 50c-30 20-50 60-40 100 10 40 50 70 100 70 40 0 80-20 90-60 10-40-20-80-60-90-50-10-70 10-90-20zM100 180c-20 30-10 70 20 90 30 20 70 10 80-20 10-30-10-60-40-70-40-10-50 10-60 0z'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
}

/* Selection color */
::selection {
  background-color: var(--green-mid);
  color: var(--white);
}

/* ============================================================
   Navbar
   ============================================================ */
#navbar {
  transition: all 0.3s ease;
  z-index: 1000;
  background: linear-gradient(135deg, rgba(13, 59, 30, 0.97), rgba(20, 83, 45, 0.95));
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--gold);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

#navbar.scrolled {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

.nav-link {
  position: relative;
  color: var(--cream) !important;
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 1rem;
  letter-spacing: 0.5px;
}

.nav-link:hover {
  color: var(--gold-light) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: var(--gold);
  transition: transform 0.3s ease;
  border-radius: 2px;
}

.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}

/* Brand logo text */
.brand-text {
  background: linear-gradient(135deg, var(--gold-light), var(--coral));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  letter-spacing: 1px;
}

/* Mobile menu */
#mobile-menu {
  transition: all 0.3s ease;
  max-height: 0;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(13, 59, 30, 0.99), rgba(20, 83, 45, 0.98));
  backdrop-filter: blur(10px);
}

#mobile-menu.open {
  max-height: 500px;
}

#mobile-menu a {
  display: block;
  padding: 0.85rem 1.5rem;
  color: var(--cream);
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

#mobile-menu a:hover {
  background: rgba(255, 179, 0, 0.15);
  color: var(--gold-light);
  padding-left: 2rem;
}

/* ============================================================
   Hero Section
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 59, 30, 0.85) 0%,
    rgba(20, 83, 45, 0.7) 40%,
    rgba(34, 139, 34, 0.5) 70%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 1;
}

/* Tropical leaf decorations */
.hero-leaf-left,
.hero-leaf-right {
  position: absolute;
  z-index: 2;
  opacity: 0.15;
  pointer-events: none;
}

.hero-leaf-left {
  left: -60px;
  bottom: -40px;
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse at 30% 70%, var(--green-bright) 0%, transparent 70%);
  border-radius: 0 100% 0 100%;
  transform: rotate(-15deg);
}

.hero-leaf-right {
  right: -40px;
  top: -20px;
  width: 250px;
  height: 250px;
  background: radial-gradient(ellipse at 70% 30%, var(--green-light) 0%, transparent 70%);
  border-radius: 100% 0 100% 0;
  transform: rotate(20deg);
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--coral), var(--amber));
  color: var(--white);
  padding: 0.4rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(255, 111, 0, 0.4);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 4px 15px rgba(255, 111, 0, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(255, 111, 0, 0.7); }
}

.hero-title {
  font-family: 'Poppins', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--gold-light), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
  line-height: 1.8;
}

.btn-primary-hero {
  background: linear-gradient(135deg, var(--coral), var(--amber-dark));
  color: var(--white);
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: 0 6px 25px rgba(230, 81, 0, 0.5);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
}

.btn-primary-hero:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 35px rgba(230, 81, 0, 0.7);
  background: linear-gradient(135deg, var(--amber), var(--coral));
}

.btn-secondary-hero {
  background: transparent;
  color: var(--white);
  padding: 0.9rem 2.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  border: 2px solid var(--gold-light);
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary-hero:hover {
  background: rgba(255, 179, 0, 0.15);
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 179, 0, 0.3);
}

/* ============================================================
   Section Common Styles
   ============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(34, 139, 34, 0.15), rgba(46, 125, 50, 0.12));
  color: var(--green-dark);
  padding: 0.35rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  border: 1px solid rgba(34, 139, 34, 0.2);
}

.section-title {
  font-family: 'Poppins', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  color: var(--green-darkest);
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--text-mid);
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.8;
}

/* ============================================================
   Features Section
   ============================================================ */
#features {
  background: linear-gradient(180deg, var(--off-white) 0%, var(--gray-light) 50%, var(--off-white) 100%);
  position: relative;
  overflow: hidden;
}

/* Palm leaf decoration */
#features::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -80px;
  width: 350px;
  height: 350px;
  background: radial-gradient(ellipse at 60% 40%, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
  border-radius: 0 0 0 100%;
  pointer-events: none;
}

#features::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse at 40% 60%, rgba(255, 143, 0, 0.06) 0%, transparent 70%);
  border-radius: 0 100% 0 0;
  pointer-events: none;
}

.feature-card {
  background: var(--white);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid rgba(34, 139, 34, 0.1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-bright), var(--gold), var(--coral));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 50px rgba(34, 139, 34, 0.15);
  border-color: rgba(34, 139, 34, 0.3);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 139, 34, 0.1), rgba(76, 175, 80, 0.08));
  font-size: 2.2rem;
  color: var(--green-bright);
  transition: all 0.4s ease;
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--green-bright), var(--green-light));
  color: var(--white);
  transform: rotateY(360deg);
  box-shadow: 0 8px 25px rgba(34, 139, 34, 0.3);
}

.feature-card h3 {
  font-weight: 700;
  color: var(--green-darkest);
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* ============================================================
   Stats Section
   ============================================================ */
#stats {
  background: linear-gradient(135deg, var(--green-darkest) 0%, var(--green-dark) 50%, #0A2A15 100%);
  position: relative;
  overflow: hidden;
}

/* Decorative palm patterns */
#stats::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 10% 20%, rgba(255, 179, 0, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(76, 175, 80, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 111, 0, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-family: 'Poppins', sans-serif;
  font-size: 3.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-light), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-suffix {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-light), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--green-lighter);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.5px;
}

.stat-icon {
  display: block;
  font-size: 2rem;
  color: var(--gold);
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

/* ============================================================
   Testimonials Section
   ============================================================ */
#testimonials {
  background: var(--white);
  position: relative;
}

.testimonial-card {
  background: linear-gradient(135deg, var(--off-white), var(--gray-light));
  border-radius: 20px;
  padding: 2.5rem 2rem;
  position: relative;
  border: 1px solid rgba(34, 139, 34, 0.08);
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(34, 139, 34, 0.2);
}

.testimonial-card .quote-icon {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 3rem;
  color: rgba(34, 139, 34, 0.12);
  font-family: serif;
  line-height: 1;
}

.testimonial-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--green-bright);
  box-shadow: 0 4px 15px rgba(34, 139, 34, 0.25);
}

.testimonial-text {
  color: var(--text-mid);
  line-height: 1.8;
  font-style: italic;
  margin: 1.5rem 0;
  position: relative;
  z-index: 1;
}

.testimonial-name {
  font-weight: 700;
  color: var(--green-darkest);
}

.testimonial-role {
  color: var(--green-bright);
  font-size: 0.9rem;
  font-weight: 500;
}

.testimonial-stars {
  color: var(--gold);
  letter-spacing: 2px;
}

/* ============================================================
   FAQ Accordion
   ============================================================ */
#faq {
  background: linear-gradient(180deg, var(--gray-light), var(--off-white));
  position: relative;
}

.faq-item {
  background: var(--white);
  border-radius: 16px;
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid rgba(34, 139, 34, 0.1);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(34, 139, 34, 0.25);
}

.faq-item.active {
  border-color: var(--green-bright);
  box-shadow: 0 8px 30px rgba(34, 139, 34, 0.12);
}

.faq-question {
  width: 100%;
  padding: 1.3rem 1.8rem;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-align: left;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--green-darkest);
  transition: all 0.3s ease;
  gap: 1rem;
}

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

.faq-question span:first-child {
  flex: 1;
}

.faq-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(34, 139, 34, 0.1), rgba(76, 175, 80, 0.08));
  color: var(--green-bright);
  font-size: 0.85rem;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: linear-gradient(135deg, var(--green-bright), var(--green-light));
  color: var(--white);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: rgba(200, 230, 201, 0.15);
}

.faq-answer-inner {
  padding: 0 1.8rem 1.5rem;
  color: var(--text-mid);
  line-height: 1.9;
  font-size: 0.98rem;
}

/* ============================================================
   CTA Section
   ============================================================ */
#cta {
  background: linear-gradient(135deg, var(--green-darkest) 0%, #0A2A15 50%, var(--green-dark) 100%);
  position: relative;
  overflow: hidden;
}

/* Tropical overlay decorations */
#cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255, 143, 0, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(76, 175, 80, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

/* Leaf accent shape */
#cta::after {
  content: '';
  position: absolute;
  top: -100px;
  left: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(76, 175, 80, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-btn {
  background: linear-gradient(135deg, var(--coral), var(--amber-dark));
  color: var(--white);
  padding: 1rem 3rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(230, 81, 0, 0.5);
  border: none;
  cursor: pointer;
  display: inline-block;
}

.cta-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(230, 81, 0, 0.7);
  background: linear-gradient(135deg, var(--amber), var(--coral));
}

.cta-btn-outline {
  background: transparent;
  color: var(--gold-light);
  padding: 1rem 3rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 1px;
  border: 2px solid var(--gold-light);
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-block;
}

.cta-btn-outline:hover {
  background: rgba(255, 179, 0, 0.12);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(255, 179, 0, 0.25);
}

/* ============================================================
   Footer
   ============================================================ */
#footer {
  background: var(--earth-dark);
  color: var(--cream);
  position: relative;
}

#footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green-bright), var(--gold), var(--coral));
}

.footer-heading {
  color: var(--gold-light);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--green-bright);
  border-radius: 2px;
}

.footer-link {
  color: var(--sand);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  padding: 0.2rem 0;
}

.footer-link:hover {
  color: var(--gold-light);
  transform: translateX(5px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  margin-top: 3rem;
  text-align: center;
  color: var(--sand);
  font-size: 0.9rem;
}

/* ============================================================
   Floating Buttons
   ============================================================ */
#cs-button {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--amber));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 6px 25px rgba(230, 81, 0, 0.5);
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  animation: float-btn 3s ease-in-out infinite;
}

#cs-button:hover {
  transform: scale(1.1);
  box-shadow: 0 10px 35px rgba(230, 81, 0, 0.7);
}

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

#back-to-top {
  position: fixed;
  bottom: 30px;
  right: 24px;
  z-index: 999;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green-dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 18px rgba(13, 59, 30, 0.4);
  cursor: pointer;
  border: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

#back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top:hover {
  background: var(--green-bright);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(34, 139, 34, 0.5);
}

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

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

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.85);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delays for cards */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }

/* ============================================================
   Responsive - Mobile
   ============================================================ */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem !important;
  }

  .hero-subtitle {
    font-size: 1rem !important;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .feature-card {
    padding: 1.8rem 1.5rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  #cs-button {
    width: 48px;
    height: 48px;
    bottom: 90px;
    right: 16px;
    font-size: 1.2rem;
  }

  #back-to-top {
    width: 40px;
    height: 40px;
    bottom: 24px;
    right: 16px;
    font-size: 1rem;
  }

  .faq-question {
    font-size: 0.95rem;
    padding: 1rem 1.2rem;
  }

  .faq-answer-inner {
    padding: 0 1.2rem 1.2rem;
  }
}

/* ============================================================
   Custom Scrollbar
   ============================================================ */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--off-white);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--green-bright), var(--green-mid));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--green-light), var(--green-bright));
}

/* ============================================================
   Hamburger Button
   ============================================================ */
#hamburger-btn {
  transition: all 0.3s ease;
}

#hamburger-btn:focus {
  outline: none;
}

#hamburger-btn .bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--cream);
  margin: 5px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}

#hamburger-btn.open .bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

#hamburger-btn.open .bar:nth-child(2) {
  opacity: 0;
}

#hamburger-btn.open .bar:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}