/* ============================================================
   HHPOKER俱乐部 / 德扑圈ACE俱乐部
   Premium Luxury Design System
   ============================================================ */

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-primary: #4F46E5;
  --color-primary-dark: #3730A3;
  --color-primary-light: #818CF8;
  --color-accent: #E11D48;
  --color-accent-dark: #BE123C;
  --color-rose-gold: #B76E79;
  --color-copper: #C17E5F;
  --color-bg-dark: #0A0A1A;
  --color-bg-deeper: #060612;
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-text-primary: #F1F0FF;
  --color-text-secondary: #A5A3C0;
  --color-text-muted: #6B6988;
  --color-border-glass: rgba(255, 255, 255, 0.08);
  --color-border-glass-hover: rgba(255, 255, 255, 0.15);
  --glass-blur: 20px;
  --glass-saturate: 180%;
  --shadow-card: 0 4px 30px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 40px rgba(79, 70, 229, 0.2);
  --shadow-glow-purple: 0 0 40px rgba(79, 70, 229, 0.3);
  --shadow-glow-rose: 0 0 40px rgba(225, 29, 72, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-display: 'Georgia', 'Times New Roman', 'Noto Serif SC', serif;
  --font-body: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-body);
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Background ambient effects */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(79, 70, 229, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 60%, rgba(225, 29, 72, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(55, 48, 163, 0.10) 0%, transparent 50%);
  pointer-events: none;
  z-index: -2;
}

/* Subtle dot grid overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Glass Card --- */
.glass-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth),
              box-shadow var(--transition-smooth),
              border-color var(--transition-smooth),
              background var(--transition-smooth);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-border-glass-hover);
  background: var(--color-bg-card-hover);
}

.glass-card-sm {
  border-radius: var(--radius-md);
}

.glass-card-lg {
  border-radius: var(--radius-xl);
}

/* --- Glass Button --- */
.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-glass::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.3), rgba(225, 29, 72, 0.2));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.btn-glass:hover::before {
  opacity: 1;
}

.btn-glass:hover {
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-purple);
}

/* Primary solid button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(79, 70, 229, 0.35);
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(225, 29, 72, 0.4);
}

/* Glow button for CTA */
.btn-glow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 42px;
  font-size: 1.05rem;
  font-weight: 700;
  font-family: var(--font-body);
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), #F43F5E);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-bounce);
  position: relative;
  box-shadow: 0 0 30px rgba(225, 29, 72, 0.5), 0 4px 20px rgba(190, 18, 60, 0.4);
  animation: pulse-glow 2s ease-in-out infinite;
}

.btn-glow:hover {
  transform: scale(1.05);
  box-shadow: 0 0 50px rgba(225, 29, 72, 0.7), 0 8px 30px rgba(190, 18, 60, 0.5);
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 30px rgba(225, 29, 72, 0.5), 0 4px 20px rgba(190, 18, 60, 0.4); }
  50% { box-shadow: 0 0 50px rgba(225, 29, 72, 0.7), 0 8px 30px rgba(190, 18, 60, 0.6); }
}

/* Outline button */
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.btn-outline:hover {
  border-color: var(--color-primary-light);
  background: rgba(79, 70, 229, 0.1);
  transform: translateY(-2px);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0;
  transition: all var(--transition-smooth);
}

.navbar-inner {
  max-width: 1280px;
  margin: 12px auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 26, 0.75);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  transition: all var(--transition-smooth);
}

.navbar.scrolled .navbar-inner {
  margin-top: 6px;
  background: rgba(10, 10, 26, 0.88);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.navbar-logo .logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  font-size: 1.1rem;
  color: #fff;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent));
  transition: width var(--transition-smooth);
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a.active::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6, 6, 18, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--color-text-primary);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 80px;
  overflow: hidden;
}

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.5;
}

.hero-bg-orb.orb-1 {
  width: 600px;
  height: 600px;
  background: rgba(79, 70, 229, 0.15);
  top: -200px;
  right: -200px;
}

.hero-bg-orb.orb-2 {
  width: 400px;
  height: 400px;
  background: rgba(225, 29, 72, 0.12);
  bottom: -100px;
  left: -100px;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.hero-content h1 .gradient-text {
  background: linear-gradient(135deg, var(--color-primary-light), #F43F5E, #FDBA74);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content .hero-desc {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.9;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
}

.hero-badge i {
  color: var(--color-accent);
  font-size: 0.7rem;
}

.hero-image-wrapper {
  position: relative;
}

.hero-image-wrapper img {
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(79, 70, 229, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-floating-card {
  position: absolute;
  bottom: 30px;
  left: -30px;
  background: rgba(10, 10, 26, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  animation: float-card 3s ease-in-out infinite;
}

.hero-floating-card .fc-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
}

.hero-floating-card .fc-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.hero-floating-card .fc-sub {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* --- Features Section --- */
.features {
  padding: 100px 0;
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.feature-card {
  padding: 36px 28px;
  text-align: left;
}

.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: 1.4rem;
  margin-bottom: 20px;
  position: relative;
}

.feature-icon.icon-purple {
  background: rgba(79, 70, 229, 0.15);
  color: var(--color-primary-light);
}

.feature-icon.icon-rose {
  background: rgba(225, 29, 72, 0.15);
  color: var(--color-accent);
}

.feature-icon.icon-copper {
  background: rgba(193, 126, 95, 0.15);
  color: var(--color-copper);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Stats Section --- */
.stats {
  padding: 80px 0;
  position: relative;
}

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

.stat-card {
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* --- Testimonials Section --- */
.testimonials {
  padding: 100px 0;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.testimonial-card {
  padding: 32px 28px;
}

.testimonial-stars {
  color: #FBBF24;
  font-size: 0.9rem;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

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

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.testimonial-author .ta-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}

.testimonial-author .ta-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- FAQ Section --- */
.faq {
  padding: 100px 0;
  position: relative;
}

.faq-list {
  max-width: 800px;
  margin: 60px auto 0;
}

.faq-item {
  border: 1px solid var(--color-border-glass);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition-smooth);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.faq-item:hover {
  border-color: var(--color-border-glass-hover);
}

.faq-item.active {
  border-color: rgba(79, 70, 229, 0.3);
  background: rgba(79, 70, 229, 0.06);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  transition: color var(--transition-fast);
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  transition: all var(--transition-smooth);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.faq-item.active .faq-icon {
  background: rgba(79, 70, 229, 0.2);
  color: var(--color-primary-light);
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth);
}

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

.faq-answer-content {
  padding: 0 28px 20px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  position: relative;
}

.cta-card {
  position: relative;
  padding: 80px 60px;
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(55, 48, 163, 0.4), rgba(190, 18, 60, 0.4), rgba(79, 70, 229, 0.3));
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(79, 70, 229, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(225, 29, 72, 0.3) 0%, transparent 60%);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.cta-card > * {
  position: relative;
  z-index: 1;
}

.cta-card h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-card p {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto 2.5rem;
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  background: rgba(6, 6, 18, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.footer-social a:hover {
  background: rgba(79, 70, 229, 0.2);
  color: var(--color-primary-light);
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- About Page Styles --- */
.about-hero {
  padding: 180px 0 80px;
  text-align: center;
}

.about-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

.about-story {
  padding: 0 0 100px;
}

.story-image {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.story-text p {
  color: var(--color-text-secondary);
  line-height: 1.9;
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

/* Values */
.values-section {
  padding: 100px 0;
  position: relative;
}

.value-card {
  padding: 40px 28px;
  text-align: center;
}

.value-card .value-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1.6rem;
}

.value-card .value-icon.icon-purple {
  background: rgba(79, 70, 229, 0.15);
  color: var(--color-primary-light);
}

.value-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Timeline */
.timeline-section {
  padding: 0 0 100px;
}

.timeline {
  position: relative;
  max-width: 700px;
  margin: 60px auto 0;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent), transparent);
}

.timeline-item {
  position: relative;
  padding-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -33px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 12px rgba(79, 70, 229, 0.5);
}

.timeline-item .tl-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary-light);
  letter-spacing: 0.1em;
}

.timeline-item .tl-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 4px 0 6px;
}

.timeline-item .tl-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* Team section */
.team-section {
  padding: 0 0 100px;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.team-card {
  padding: 40px 28px;
  text-align: center;
}

.team-card img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 20px;
  border: 3px solid rgba(255, 255, 255, 0.1);
}

.team-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card .team-role {
  font-size: 0.85rem;
  color: var(--color-primary-light);
  margin-bottom: 12px;
}

.team-card p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Download Page Styles --- */
.download-hero {
  padding: 180px 0 80px;
  text-align: center;
}

.download-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  margin-bottom: 1rem;
}

.platform-selector {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 50px 0 30px;
}

.platform-tab {
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  cursor: pointer;
  transition: all var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 8px;
}

.platform-tab:hover {
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--color-text-primary);
}

.platform-tab.active {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.3), rgba(225, 29, 72, 0.2));
  border-color: rgba(79, 70, 229, 0.4);
  color: #fff;
  box-shadow: var(--shadow-glow-purple);
}

.platform-content {
  display: none;
  animation: fadeIn 0.4s ease;
}

.platform-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.download-card {
  padding: 48px 40px;
  text-align: center;
}

.download-card .dc-version {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.download-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 100px 0;
}

.highlight-item {
  padding: 28px 24px;
  text-align: center;
}

.highlight-item .hi-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(79, 70, 229, 0.12);
  color: var(--color-primary-light);
  font-size: 1.3rem;
}

.highlight-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.highlight-item p {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.system-req {
  padding: 0 0 100px;
}

.req-table {
  width: 100%;
  max-width: 800px;
  margin: 40px auto 0;
  border-collapse: collapse;
}

.req-table th,
.req-table td {
  padding: 14px 20px;
  text-align: left;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.req-table th {
  color: var(--color-text-primary);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
}

.req-table td {
  color: var(--color-text-secondary);
}

.install-guide {
  padding: 0 0 100px;
}

.install-steps {
  max-width: 700px;
  margin: 40px auto 0;
}

.install-step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}

.install-step .step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.install-step .step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.install-step .step-content p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

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

  .stats-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }

  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-highlights {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .navbar-inner {
    padding: 12px 20px;
  }

  .hero {
    padding: 140px 0 60px;
    text-align: center;
  }

  .hero-content .hero-desc {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-badges {
    justify-content: center;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-image-wrapper {
    margin-top: 40px;
  }

  .hero-floating-card {
    left: 0;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .stats-wrapper {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    padding: 50px 24px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .team-grid {
    grid-template-columns: 1fr;
  }

  .download-highlights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .navbar-inner {
    border-radius: 30px;
    margin: 8px 12px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-floating-card {
    display: none;
  }

  .platform-selector {
    gap: 8px;
  }

  .platform-tab {
    padding: 10px 20px;
    font-size: 0.8rem;
  }
}

/* --- Utility --- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Scroll animations - controlled by JS */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Counter animation */
.counter-value {
  display: inline-block;
}