/* ============================================================
   RAJAKAPAL88 TOPUP - Responsive Stylesheet
   Breakpoints: 1920, 1440, 1366, 1024, 768, 480, 390, 360
   Mobile-first approach with no horizontal scroll
   ============================================================ */

/* --- 1920px+ (Large Desktop) --- */
@media (min-width: 1441px) {
  .container { max-width: 1400px; }
  .games-grid { grid-template-columns: repeat(5, 1fr); }
}

/* --- 1440px (Standard Desktop) --- */
@media (max-width: 1440px) {
  :root { --container-max: 1200px; }
  .games-grid { grid-template-columns: repeat(4, 1fr); }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

/* --- 1366px (Laptop) --- */
@media (max-width: 1366px) {
  :root { --container-max: 1140px; }
  .hero { padding: var(--space-7) 0 var(--space-6); }
  .nav-menu a { padding: 8px 11px; font-size: 0.85rem; }
  .header-search input { width: 150px; }
  .header-search input:focus { width: 180px; }
}

/* --- 1024px (Tablet Landscape) --- */
@media (max-width: 1024px) {
  :root { --container-max: 960px; --header-height: 64px; }

  .nav-menu { display: none; }
  .header-search { display: none; }
  .hamburger { display: flex; }
  .btn-login { padding: 8px 16px; font-size: 0.8rem; }

  .games-grid { grid-template-columns: repeat(3, 1fr); }
  .games-page-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-grid { grid-template-columns: repeat(2, 1fr); }

  .topup-layout { grid-template-columns: 1fr; }
  .game-info-panel { position: relative; top: 0; }

  .nominal-grid { grid-template-columns: repeat(4, 1fr); }
  .payment-grid { grid-template-columns: repeat(4, 1fr); }

  .contact-layout { grid-template-columns: 1fr; }
  .about-layout { grid-template-columns: 1fr; }
  .about-img { max-width: 500px; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .footer-col:first-child { grid-column: 1 / -1; }

  .transaction-row { grid-template-columns: 1fr 1.5fr 1fr 1fr; font-size: 0.82rem; }
}

/* --- 768px (Tablet Portrait) --- */
@media (max-width: 768px) {
  :root { --container-max: 720px; }

  .section { padding: var(--space-5) 0; }
  .section-sm { padding: var(--space-4) 0; }
  .hero { padding: var(--space-6) 0 var(--space-5); }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-stats { gap: var(--space-3); }
  .hero-stat .stat-num { font-size: 1.5rem; }

  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }

  .hero-search { max-width: 100%; }

  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .games-page-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .promo-grid { grid-template-columns: 1fr; }

  .nominal-grid { grid-template-columns: repeat(3, 1fr); }
  .payment-grid { grid-template-columns: repeat(3, 1fr); }

  .category-tabs { gap: 6px; }
  .category-tab { padding: 8px 16px; font-size: 0.82rem; }

  .topup-form { padding: var(--space-3); }
  .form-row { grid-template-columns: 1fr; }

  .transaction-row {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    padding: 12px;
  }
  .transaction-row.header { display: none; }
  .transaction-row::before {
    content: attr(data-label);
    display: block;
    font-size: 0.7rem;
    color: var(--neutral-500);
    text-transform: uppercase;
    margin-bottom: 2px;
  }

  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer-col:first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }

  .page-header { padding: var(--space-4) 0 var(--space-3); }
  .page-header h1 { font-size: 1.8rem; }
  .page-header p { font-size: 0.95rem; }

  .tx-check-form { flex-direction: column; }
  .tx-check-form .btn { width: 100%; }

  .back-to-top { bottom: 16px; right: 16px; width: 42px; height: 42px; }

  .payment-showcase-item { padding: 10px 18px; }
}

/* --- 480px (Large Mobile) --- */
@media (max-width: 480px) {
  :root { --container-max: 100%; }
  .container { padding: 0 14px; }

  .logo { font-size: 1rem; }
  .logo img { width: 30px; height: 30px; }

  .hero { padding: var(--space-5) 0 var(--space-4); }
  .hero-badge { font-size: 0.72rem; padding: 5px 12px; }
  .hero h1 { font-size: 1.7rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .hero-stats { gap: var(--space-2); }
  .hero-stat .stat-num { font-size: 1.3rem; }
  .hero-stat .stat-label { font-size: 0.75rem; }

  .section-header h2 { font-size: 1.4rem; }
  .section-header p { font-size: 0.9rem; }

  .games-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .games-page-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .game-card-body h3 { font-size: 0.9rem; }
  .game-card-body p { font-size: 0.75rem; }
  .game-card-cta { padding: 6px 12px; font-size: 0.78rem; }

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

  .nominal-grid { grid-template-columns: repeat(2, 1fr); }
  .payment-grid { grid-template-columns: repeat(2, 1fr); }
  .payment-cat-tab { padding: 7px 14px; font-size: 0.78rem; }

  .category-tabs { overflow-x: auto; flex-wrap: nowrap; justify-content: flex-start; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .category-tab { white-space: nowrap; }

  .topup-form { padding: var(--space-2); }
  .step-header h3 { font-size: 1rem; }
  .step-number { width: 28px; height: 28px; font-size: 0.8rem; }

  .game-info-content h1 { font-size: 1.3rem; }

  .order-summary { padding: var(--space-2); }
  .order-total span:last-child { font-size: 1.1rem; }

  .promo-content h2 { font-size: 1.1rem; }
  .promo-content p { font-size: 0.85rem; }

  .contact-card { padding: var(--space-2); }
  .contact-form { padding: var(--space-2); }

  .footer-bottom { font-size: 0.78rem; }

  .btn { padding: 11px 22px; font-size: 0.88rem; }
  .btn-lg { padding: 14px 28px; font-size: 0.95rem; }
}

/* --- 390px (Standard Mobile) --- */
@media (max-width: 390px) {
  .container { padding: 0 12px; }

  .hero h1 { font-size: 1.5rem; }
  .hero-subtitle { font-size: 0.88rem; }
  .hero-badge { font-size: 0.68rem; }

  .section-header h2 { font-size: 1.25rem; }

  .games-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .games-page-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .game-card-body { padding: 10px; }
  .game-card-body h3 { font-size: 0.82rem; }
  .game-card-body p { font-size: 0.7rem; }
  .game-card-cta { padding: 5px 10px; font-size: 0.72rem; }

  .nominal-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .nominal-card { padding: 10px; }
  .nominal-card .nominal-amount { font-size: 0.88rem; }
  .nominal-card .nominal-price { font-size: 0.78rem; }

  .payment-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .payment-method-card { padding: 10px; }
  .payment-logo { width: 40px; height: 40px; font-size: 0.62rem; }
  .payment-name { font-size: 0.76rem; }

  .hero-search-wrapper { padding: 3px 3px 3px 14px; }
  .hero-search-wrapper input { font-size: 0.85rem; padding: 10px 4px; }
  .hero-search-wrapper button { padding: 10px 16px; font-size: 0.82rem; }

  .feature-card { padding: var(--space-2); }
  .feature-card h3 { font-size: 1rem; }
  .feature-card p { font-size: 0.85rem; }

  .step-card { padding: var(--space-2); }
  .step-card h3 { font-size: 0.92rem; }
  .step-card p { font-size: 0.8rem; }

  .order-total span:last-child { font-size: 1rem; }
  .order-row { font-size: 0.82rem; }

  .btn { padding: 10px 18px; font-size: 0.82rem; }
  .btn-lg { padding: 12px 24px; }
}

/* --- 360px (Small Mobile) --- */
@media (max-width: 360px) {
  .container { padding: 0 10px; }

  .logo { font-size: 0.9rem; gap: 6px; }
  .logo img { width: 28px; height: 28px; }
  .btn-login { padding: 7px 12px; font-size: 0.75rem; }

  .hero h1 { font-size: 1.35rem; }
  .hero-subtitle { font-size: 0.82rem; }
  .hero-stats { gap: 12px; }
  .hero-stat .stat-num { font-size: 1.1rem; }
  .hero-stat .stat-label { font-size: 0.68rem; }

  .section-header h2 { font-size: 1.15rem; }
  .section-header p { font-size: 0.82rem; }

  .games-grid { gap: 8px; }
  .games-page-grid { gap: 8px; }
  .game-card-body { padding: 8px; }
  .game-card-body h3 { font-size: 0.76rem; }
  .game-card-body p { font-size: 0.66rem; }
  .game-card-cta { padding: 4px 8px; font-size: 0.68rem; }

  .nominal-card { padding: 8px; }
  .nominal-card .nominal-amount { font-size: 0.8rem; }
  .nominal-card .nominal-price { font-size: 0.72rem; }

  .payment-method-card { padding: 8px; }
  .payment-logo { width: 36px; height: 36px; font-size: 0.55rem; }
  .payment-name { font-size: 0.7rem; }

  .faq-question { padding: 12px 14px; font-size: 0.85rem; }
  .faq-answer-inner { padding: 0 14px 12px; font-size: 0.82rem; }

  .topup-form { padding: 12px; }
  .form-input { padding: 10px 12px; font-size: 0.88rem; }

  .btn { padding: 9px 16px; font-size: 0.78rem; }

  .back-to-top { width: 38px; height: 38px; bottom: 12px; right: 12px; }
  .back-to-top svg { width: 18px; height: 18px; }
}

/* --- Prevent horizontal scroll globally --- */
html, body { max-width: 100%; overflow-x: hidden; }
img, video, iframe { max-width: 100%; }
table { max-width: 100%; }

/* --- Print optimization (bonus) --- */
@media print {
  .site-header, .site-footer, .back-to-top, .promo-popup-overlay, .hero-bg { display: none !important; }
  body { background: #fff; color: #000; }
}