/* ===== style.css for ace-bsports.com ===== */
/* Dark theme, glassmorphism, gradient banners, responsive, animations */

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

:root {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #14142a;
  --border-color: #2a2a4a;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0c8;
  --text-muted: #8888aa;
  --accent: #e94560;
  --accent-hover: #d63851;
  --glass-bg: rgba(26, 26, 46, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-accent: 0 8px 24px rgba(233, 69, 96, 0.3);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Scroll animations base */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Header & Navigation ===== */
.site-header {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 1px;
  transition: opacity var(--transition);
}
.logo:hover { opacity: 0.85; }
.logo span { color: var(--accent); }

.nav {
  display: flex;
  gap: 24px;
  list-style: none;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition), transform var(--transition);
  padding: 8px 0;
  position: relative;
}
.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.nav a:hover { color: #fff; transform: translateY(-1px); }
.nav a:hover::after { width: 100%; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  transition: transform var(--transition);
}
.menu-toggle:hover { transform: scale(1.1); }

/* ===== Hero Section ===== */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(233, 69, 96, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 70% 30%, rgba(15, 52, 96, 0.15) 0%, transparent 50%);
  animation: heroGlow 10s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes heroGlow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, -5%) scale(1.1); }
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
  animation: fadeInUp 0.8s ease;
}
.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 36px;
  animation: fadeInUp 0.8s ease 0.15s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}
.btn:hover::before { left: 100%; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}

/* ===== Section Common ===== */
section { padding: 80px 0; }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  text-align: center;
}

.section-subtitle {
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}
.glass-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(233, 69, 96, 0.2);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.about-text h3 {
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 16px;
}
.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.stat-item {
  text-align: center;
  background: var(--bg-secondary);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: var(--accent);
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 0.9rem;
}

/* ===== Cards Grid (Products & Services) ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), #ff6b81);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card:hover::after { transform: scaleX(1); }
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(233, 69, 96, 0.3);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  transition: transform var(--transition);
}
.card:hover .card-icon { transform: scale(1.1) rotate(-5deg); }

.card h3 {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(233, 69, 96, 0.2);
}

.testimonial-card p {
  color: #c0c0d8;
  font-style: italic;
  margin-bottom: 16px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testimonial-author strong { color: #fff; }
.testimonial-author span { color: var(--text-muted); font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
  transition: background var(--transition);
}
.faq-item:hover { background: rgba(233, 69, 96, 0.02); }

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 600;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 8px 0;
  transition: color var(--transition);
}
.faq-question:hover { color: #fff; }
.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: transform var(--transition);
}
.faq-item.active .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 16px;
  color: var(--text-secondary);
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 16px 16px 8px;
}

/* ===== HowTo ===== */
.howto-steps {
  max-width: 700px;
  margin: 0 auto;
  counter-reset: step;
}

.howto-step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
  align-items: flex-start;
  transition: transform var(--transition);
}
.howto-step:hover { transform: translateX(8px); }

.howto-step::before {
  counter-increment: step;
  content: counter(step);
  background: var(--accent);
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}
.howto-step:hover::before {
  transform: scale(1.15);
  box-shadow: var(--shadow-accent);
}

.howto-step h4 {
  color: #fff;
  margin-bottom: 8px;
}
.howto-step p { color: var(--text-secondary); }

/* ===== Insights / Articles ===== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.article-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  position: relative;
}
.article-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: rgba(233, 69, 96, 0.2);
}

.article-card .date {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.article-card h3 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.article-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.article-card a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition);
}
.article-card a:hover {
  text-decoration: underline;
  color: #ff6b81;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  color: #fff;
  margin-bottom: 16px;
}
.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.contact-info strong { color: var(--text-primary); }

.contact-details { margin-top: 24px; }
.contact-details div {
  margin-bottom: 12px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.02);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.contact-details div:hover { background: rgba(233, 69, 96, 0.05); }

/* Form */
form input,
form textarea {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all var(--transition);
}
form input:focus,
form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}
form label {
  display: block;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 1rem;
  position: relative;
  display: inline-block;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition);
  position: relative;
  padding-left: 0;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: center;
  color: #666688;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 8px;
  transition: color var(--transition);
}
.footer-bottom a:hover { color: #fff; }

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--accent);
  color: #fff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  text-decoration: none;
  opacity: 0;
  transition: all var(--transition);
  box-shadow: var(--shadow-accent);
  z-index: 99;
  transform: scale(0.8);
}
.back-to-top.visible {
  opacity: 1;
  transform: scale(1);
}
.back-to-top:hover {
  background: var(--accent-hover);
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 12px 32px rgba(233, 69, 96, 0.4);
}

/* ===== Dark Mode Toggle (Placeholder) ===== */
.dark-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition), transform var(--transition);
}
.dark-toggle:hover {
  color: #fff;
  transform: rotate(15deg);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    padding: 16px 20px;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav a:last-child { border-bottom: none; }

  .menu-toggle { display: block; }

  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .about-stats { grid-template-columns: 1fr; }

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

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

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

@media (max-width: 480px) {
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 1.6rem; }
  .btn { width: 100%; text-align: center; }
  .hero-actions { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; font-size: 1.2rem; }
}

/* ===== Utility ===== */
.text-accent { color: var(--accent); }
.bg-tertiary { background: var(--bg-tertiary); }
.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}