:root {
  --color-primary: #0ea5e9;
  --color-primary-dark: #0284c7;
  --color-primary-soft: rgba(14,165,233,.12);
  --color-secondary: #1e293b;
  --color-accent: #f59e0b;
  --color-bg: #f0f9ff;
  --color-bg-soft: #f8fdff;
  --color-surface: #ffffff;
  --color-surface-strong: #e0f2fe;
  --color-card: #ffffff;
  --color-card-alt: #f0f9ff;
  --color-border: rgba(30,41,59,.1);
  --color-border-strong: rgba(30,41,59,.2);
  --color-text: #0f172a;
  --color-text-soft: #334155;
  --color-text-muted: #64748b;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #0f172a;
  --color-footer-text: #cbd5e1;
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #0c4a6e 45%, #0ea5e9 100%);
  --gradient-hero-soft: radial-gradient(circle at top right, rgba(14,165,233,.25), transparent 40%);
  --gradient-button: linear-gradient(135deg, #0ea5e9, #0284c7);
  --gradient-card-border: linear-gradient(135deg, rgba(14,165,233,.3), rgba(14,165,233,.05));
  --shadow-header: 0 4px 20px rgba(15,23,42,.08);
  --shadow-card: 0 8px 30px rgba(15,23,42,.08);
  --shadow-card-hover: 0 16px 40px rgba(15,23,42,.14);
  --shadow-button: 0 4px 14px rgba(14,165,233,.3);
  --shadow-soft: 0 2px 8px rgba(15,23,42,.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --fs-h1: clamp(28px, 4vw, 48px);
  --fs-h2: clamp(22px, 3vw, 36px);
  --fs-h3: clamp(18px, 2.2vw, 24px);
  --fs-body: 16px;
  --fs-small: 14px;
  --lh-body: 1.8;
  --lh-heading: 1.3;
  --container-max: 1200px;
  --section-y: clamp(48px, 8vw, 80px);
  --header-h: 72px;
  --motion-normal: .3s;
  --ease-out: cubic-bezier(.22,1,.36,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: var(--lh-body);
  font-size: var(--fs-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--motion-normal) var(--ease-out); }
a:hover { color: var(--color-primary-dark); }
h1, h2, h3, h4 { color: var(--color-secondary); font-weight: 800; line-height: var(--lh-heading); }
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-bottom: 18px; }
h3 { font-size: var(--fs-h3); margin-bottom: 12px; }
p { margin-bottom: 16px; color: var(--color-text-soft); }
ul { padding-left: 20px; }
li { margin-bottom: 6px; color: var(--color-text-soft); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
th { background: var(--color-secondary); color: #fff; font-weight: 700; }
:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* Container */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 4vw, 24px); }
.section-pad { padding: var(--section-y) 0; }

/* ========== HEADER ========== */
.site-header {
  position: sticky; top: 0; z-index: 1000; width: 100%;
  background: rgba(248,253,255,.96);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-header);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  width: 100%; max-width: none;
  padding-left: clamp(10px, 1.2vw, 20px);
  padding-right: clamp(10px, 1.2vw, 20px);
  min-height: var(--header-h);
  display: flex; align-items: center;
  gap: clamp(10px, 1vw, 18px);
}
.brand-wrap { flex: 0 0 auto; margin-right: clamp(4px, .8vw, 14px); }
.site-logo {
  display: block; width: auto;
  height: clamp(32px, 3vw, 42px);
  max-width: clamp(118px, 10vw, 168px);
  object-fit: contain;
}
.primary-nav {
  flex: 1 1 auto; min-width: 0;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: nowrap; gap: clamp(4px, .6vw, 12px);
  white-space: nowrap; overflow: visible;
}
.primary-nav a {
  flex: 0 1 auto; min-width: 0;
  padding: 9px clamp(5px, .55vw, 10px);
  font-size: clamp(12.5px, .82vw, 14.5px);
  font-weight: 600; line-height: 1;
  color: var(--color-secondary); white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: all var(--motion-normal) var(--ease-out);
}
.primary-nav a:hover { color: var(--color-primary); background: var(--color-primary-soft); }
.primary-nav a.active { color: var(--color-primary); background: var(--color-primary-soft); }
.header-actions {
  flex: 0 0 auto; margin-left: auto;
  display: flex; align-items: center; justify-content: flex-end;
  gap: clamp(6px, .6vw, 10px); white-space: nowrap;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--radius-pill);
  font-weight: 700; font-size: 14px; line-height: 1;
  text-decoration: none; cursor: pointer; border: none;
  transition: all var(--motion-normal) var(--ease-out);
  min-height: 42px; white-space: nowrap;
}
.btn-register {
  background: var(--gradient-button); color: #fff;
  box-shadow: var(--shadow-button);
}
.btn-register:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(14,165,233,.4); color: #fff; }
.btn-login {
  background: var(--color-secondary); color: #fff;
}
.btn-login:hover { background: #334155; color: #fff; transform: translateY(-2px); }
.btn-primary-hero {
  background: var(--gradient-button); color: #fff;
  padding: 14px 28px; font-size: 16px;
  box-shadow: var(--shadow-button);
  border-radius: var(--radius-pill);
}
.btn-primary-hero:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(14,165,233,.4); color: #fff; }
.btn-secondary-hero {
  background: rgba(255,255,255,.15); color: #fff;
  padding: 14px 28px; font-size: 16px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-pill);
}
.btn-secondary-hero:hover { background: rgba(255,255,255,.25); color: #fff; }
.btn-plan {
  background: var(--gradient-button); color: #fff;
  padding: 12px 24px; border-radius: var(--radius-pill);
  box-shadow: var(--shadow-button);
}
.btn-plan:hover { transform: translateY(-2px); color: #fff; }

/* Nav Toggle (mobile) */
.nav-toggle {
  display: none; flex: 0 0 40px; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); cursor: pointer;
  flex-direction: column; gap: 5px; padding: 10px;
}
.nav-toggle span {
  display: block; width: 20px; height: 2px;
  background: var(--color-secondary);
  transition: all var(--motion-normal) var(--ease-out);
}
.mobile-menu {
  display: none; position: fixed;
  left: 12px; right: 12px; top: calc(var(--header-h) + 8px);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(15,23,42,.2);
  border: 1px solid var(--color-border);
  padding: 16px; flex-direction: column; gap: 2px;
  max-height: calc(100vh - var(--header-h) - 24px);
  overflow-y: auto; z-index: 999;
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  display: block; padding: 14px 16px;
  color: var(--color-secondary); font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--motion-normal);
}
.mobile-menu a:hover { background: var(--color-primary-soft); color: var(--color-primary); }

/* ========== HERO ========== */
.home-hero {
  background: var(--gradient-hero);
  position: relative; overflow: hidden; color: #fff;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  padding: clamp(40px, 6vw, 80px) 0;
}
.home-hero::before {
  content: ""; position: absolute; inset: 0;
  background: var(--gradient-hero-soft); pointer-events: none;
}
.home-hero h1, .home-hero h2, .home-hero h3, .home-hero p { color: #fff; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; position: relative; }
.hero-badge {
  display: inline-block; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radius-pill); padding: 8px 18px;
  font-size: 14px; margin-bottom: 16px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }
.hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-lg); padding: 28px;
  backdrop-filter: blur(8px);
}
.hero-card ul { padding-left: 18px; }
.hero-card li { color: rgba(255,255,255,.85); margin-bottom: 8px; }

/* Inner page hero */
.inner-hero {
  background: var(--gradient-hero); color: #fff;
  padding: clamp(32px, 5vw, 56px) 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.inner-hero h1, .inner-hero p { color: #fff; }
.inner-hero .breadcrumb { margin-bottom: 16px; }
.inner-hero .breadcrumb a { color: rgba(255,255,255,.7); }
.inner-hero .breadcrumb span { color: rgba(255,255,255,.5); margin: 0 8px; }

/* Auth hero (login/register) */
.auth-hero {
  background: linear-gradient(135deg, #1e293b 0%, #164e63 50%, #0ea5e9 100%);
  color: #fff; padding: clamp(32px, 5vw, 56px) 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.auth-hero h1, .auth-hero p { color: #fff; }

/* Policy hero */
.policy-hero {
  background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
  color: #fff; padding: clamp(28px, 4vw, 48px) 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.policy-hero h1, .policy-hero p { color: #fff; }

/* About hero */
.about-hero {
  background: linear-gradient(135deg, #0f172a 0%, #0c4a6e 60%, #0ea5e9 100%);
  color: #fff; padding: clamp(36px, 5vw, 60px) 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.about-hero h1, .about-hero p { color: #fff; }

/* Sports hero */
.sports-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #059669 100%);
  color: #fff; padding: clamp(36px, 5vw, 60px) 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.sports-hero h1, .sports-hero p { color: #fff; }

/* FAQ hero */
.faq-hero {
  background: linear-gradient(135deg, #1e293b 0%, #312e81 50%, #7c3aed 100%);
  color: #fff; padding: clamp(32px, 4vw, 48px) 0;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.faq-hero h1, .faq-hero p { color: #fff; }

/* ========== CONTENT LAYOUTS ========== */
.content-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: start; }
.content-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.content-image { margin: 32px auto; border-radius: var(--radius-lg); overflow: hidden; max-width: 960px; }
.content-image img { width: 100%; border-radius: var(--radius-md); }
.content-main-sidebar { display: grid; grid-template-columns: 1fr 340px; gap: 36px; align-items: start; }
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.policy-layout { max-width: 860px; margin: 0 auto; }

/* Cards */
.info-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-card);
}
.privacy-note { border-left: 4px solid var(--color-primary); background: var(--color-surface-strong); }
.checklist-card { border-left: 4px solid var(--color-success); }
.warning-card { border-left: 4px solid var(--color-warning); background: #fffbeb; }
.danger-card { border-left: 4px solid var(--color-danger); background: #fef2f2; }

.benefit-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 32px; }
.benefit-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-card);
  transition: all var(--motion-normal) var(--ease-out);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.benefit-icon { font-size: 28px; margin-bottom: 14px; width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; background: var(--color-primary-soft); border-radius: var(--radius-md); }
.benefit-card h3 { font-size: 18px; }

/* Membership */
.membership-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.membership-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 32px; text-align: center;
  box-shadow: var(--shadow-card);
  transition: all var(--motion-normal) var(--ease-out);
}
.membership-card.featured { border-color: var(--color-primary); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(14,165,233,.15); }
.plan-tag { font-size: 28px; font-weight: 800; color: var(--color-secondary); margin: 12px 0 16px; }

/* Testimonials */
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.testimonial-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 28px;
  box-shadow: var(--shadow-card);
}
.rating { color: var(--color-accent); font-size: 18px; letter-spacing: 2px; }
.testimonial-card h3 { font-size: 16px; margin-top: 16px; margin-bottom: 4px; }
.testimonial-card span { color: var(--color-text-muted); font-size: 14px; }

/* Sidebar cards */
.sidebar-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 24px; margin-bottom: 20px;
  box-shadow: var(--shadow-soft);
}
.sidebar-card h3 { font-size: 17px; }
.sidebar-icon { font-size: 24px; margin-bottom: 10px; }

/* Comparison table */
.comparison-table { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.comparison-table table { margin-bottom: 0; }

/* Game features grid */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 28px 0; }
.feature-item {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 20px;
  text-align: center; box-shadow: var(--shadow-soft);
}
.feature-item h3 { font-size: 16px; }

/* Steps */
.step-list { counter-reset: step; margin: 24px 0; }
.step-item {
  counter-increment: step; position: relative;
  padding-left: 60px; margin-bottom: 24px;
}
.step-item::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  width: 44px; height: 44px; background: var(--gradient-button);
  color: #fff; font-weight: 800; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
}

/* FAQ */
.faq-group { margin-bottom: 32px; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: 8px; overflow: hidden; background: var(--color-card); }
.faq-question {
  width: 100%; padding: 18px 20px; background: transparent;
  border: none; text-align: left; font-weight: 700;
  font-size: 16px; color: var(--color-secondary);
  cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; font-family: var(--font-base);
}
.faq-question::after { content: "+"; font-size: 22px; color: var(--color-primary); flex-shrink: 0; transition: transform var(--motion-normal); }
.faq-question[aria-expanded="true"]::after { content: "−"; }
.faq-answer { padding: 0 20px 18px; display: none; }
.faq-answer.is-open { display: block; }

/* Auth form */
.auth-form-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 8px; color: var(--color-secondary); }
.form-group input {
  width: 100%; padding: 14px 16px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-size: 16px; font-family: var(--font-base);
  transition: border-color var(--motion-normal);
}
.form-group input:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px var(--color-primary-soft); }
.form-submit {
  width: 100%; padding: 16px;
  background: var(--gradient-button); color: #fff;
  border: none; border-radius: var(--radius-pill);
  font-size: 16px; font-weight: 700; cursor: pointer;
  box-shadow: var(--shadow-button);
  font-family: var(--font-base);
}
.form-submit:hover { transform: translateY(-2px); }

/* Policy */
.policy-toc {
  background: var(--color-surface-strong); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 20px 24px; margin-bottom: 32px;
}
.policy-toc h3 { font-size: 18px; margin-bottom: 12px; }
.policy-toc ul { list-style: none; padding: 0; }
.policy-toc li { margin-bottom: 6px; }
.policy-toc a { color: var(--color-primary); font-weight: 600; }
.policy-note {
  background: var(--color-surface-strong); border-left: 4px solid var(--color-primary);
  padding: 16px 20px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 20px 0;
}

/* Final CTA */
.final-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; }

/* ========== FOOTER ========== */
.site-footer { background: var(--color-footer-bg); color: var(--color-footer-text); padding-top: 56px; }
.footer-inner {
  max-width: var(--container-max); margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
  display: grid; grid-template-columns: 1fr 2fr; gap: 48px;
}
.footer-brand img { margin-bottom: 16px; height: 40px; width: auto; }
.footer-brand p { color: var(--color-footer-text); font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
.footer-email { font-size: 13px; color: #94a3b8; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.footer-col h4 { color: #e2e8f0; font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; color: #94a3b8; font-size: 14px; padding: 4px 0; transition: color var(--motion-normal); }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  max-width: var(--container-max); margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 24px);
  margin-top: 40px; border-top: 1px solid rgba(255,255,255,.08);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { color: #64748b; font-size: 13px; margin: 0; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1180px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-inner {
    width: 100%; max-width: none;
    padding-left: clamp(8px, 2.4vw, 14px);
    padding-right: clamp(8px, 2.4vw, 14px);
    justify-content: flex-start;
    gap: clamp(6px, 1.8vw, 10px);
  }
  .brand-wrap { flex: 0 1 auto; margin-right: 0; }
  .site-logo { height: clamp(30px, 8vw, 40px); max-width: clamp(104px, 27vw, 138px); }
  .header-actions {
    margin-left: auto; flex: 0 0 auto;
    gap: clamp(5px, 1.6vw, 8px);
  }
  .header-actions .btn { min-height: 40px; padding: 8px clamp(10px, 2.6vw, 14px); font-size: clamp(12px, 3.2vw, 14px); }
  .nav-toggle { flex: 0 0 40px; margin-left: 2px; }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .content-split { grid-template-columns: 1fr; }
  .content-columns { grid-template-columns: 1fr; }
  .content-main-sidebar { grid-template-columns: 1fr; }
  .benefit-cards { grid-template-columns: repeat(2, 1fr); }
  .membership-grid { grid-template-columns: 1fr; max-width: 420px; margin-left: auto; margin-right: auto; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .auth-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 640px) {
  .benefit-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
}

@media (max-width: 375px) {
  .header-inner { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .header-actions .btn { min-height: 38px; padding: 6px 9px; font-size: 12px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
}

/* AOS fallback */
[data-aos] { opacity: 1 !important; transform: none !important; }
.aos-animate[data-aos] { opacity: 1; }

/* Swiper fallback */
.swiper:not(.swiper-initialized) { overflow-x: auto; display: flex; gap: 16px; }