/* ============================================================
   RESPONSIVE.CSS — All Breakpoints & Media Queries
   Easy eSIM Platform | Powered by Airalo + DESC Token
   Breakpoints: 1400 | 1200 | 1024 | 900 | 768 | 600 | 480 | 375
   ============================================================ */

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

/* ── ≤ 1400px — Large Desktop ── */
@media (max-width: 1400px) {
  .hero .container {
    max-width: 1100px;
    gap: 48px;
  }

  .hero-title {
    font-size: clamp(2rem, 4vw, 3.4rem);
  }

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

/* ── ≤ 1200px — Standard Desktop ── */
@media (max-width: 1200px) {
  .hero .container {
    gap: 40px;
    padding: 0 32px;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .phone-mockup { width: 230px; }

  .phone-float-card.card-top-left   { left: -40px; }
  .phone-float-card.card-bottom-right { right: -20px; }

  .pricing-grid { gap: 20px; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  /* Dashboard */
  .stat-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid-left-wide,
  .dashboard-grid-right-wide {
    grid-template-columns: 1fr;
  }
}

/* ── ≤ 1024px — Tablet Landscape / Small Desktop ── */
@media (max-width: 1024px) {
  /* Landing */
  .hero {
    padding: 100px 0 70px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual { display: none; } /* hide phone mock on tablet */

  .hero-cta { justify-content: center; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); justify-items: center; }

  .hero-subtitle { margin: 0 auto 36px; }

  /* Plans */
  .plans-grid { grid-template-columns: repeat(2, 1fr); }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
  .pricing-card.best-value { order: -1; }

  /* DESC */
  .desc-grid { grid-template-columns: 1fr; text-align: center; }
  .desc-coin-wrapper { margin-bottom: 40px; }
  .desc-benefits { max-width: 540px; margin: 0 auto; }

  /* How */
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid::before { display: none; }

  /* Testimonials */
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }

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

  /* Dashboard */
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .dashboard-main {
    margin-left: 0;
  }

  .topbar-menu-toggle {
    display: flex;
  }

  .topbar-search { display: none; }

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

  .dashboard-grid-2 {
    grid-template-columns: 1fr;
  }

  .dashboard-grid-3 {
    grid-template-columns: 1fr 1fr;
  }

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

  /* Auth */
  .auth-right { display: none; }
}

/* ── ≤ 900px — Tablet Portrait ── */
@media (max-width: 900px) {
  /* Navbar */
  .navbar-nav { display: none; }
  .hamburger  { display: flex; }

  /* Mobile Nav Drawer */
  .mobile-nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 280px;
    background: #0a0f1e;
    border-left: 1px solid rgba(255,255,255,0.07);
    z-index: 1001;
    padding: 70px 20px 30px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transform: translateX(110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
  }

  .mobile-nav.open { transform: translateX(0); }

  .mobile-nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1000;
    backdrop-filter: blur(4px);
  }

  .mobile-nav-overlay.open { display: block; }

  .mobile-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
  }

  .mobile-nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
  }

  .mobile-nav-divider {
    height: 1px;
    background: rgba(255,255,255,0.06);
    margin: 10px 0;
  }

  .mobile-nav-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 16px;
  }

  /* Hero */
  .hero-stats { grid-template-columns: repeat(2, 1fr); }

  .hero-cta { flex-direction: column; align-items: center; }
  .btn-hero-primary,
  .btn-hero-secondary { width: 100%; max-width: 280px; justify-content: center; }

  /* Sections */
  .plans-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }

  /* Dashboard */
  .dashboard-grid-3 { grid-template-columns: 1fr; }
  .agent-stats-banner { grid-template-columns: 1fr 1fr; }

  /* Topbar */
  .topbar-user-name { display: none; }
  .topbar-desc-balance { display: none; }
}

/* ── ≤ 768px — Mobile Landscape ── */
@media (max-width: 768px) {
  /* Global spacing */
  .section { padding: 70px 0; }

  .plans-section,
  .pricing-section,
  .desc-section,
  .how-section,
  .testimonials-section {
    padding: 70px 0;
  }

  /* Hero */
  .hero { padding: 90px 0 60px; }
  .hero-title { font-size: clamp(1.8rem, 6vw, 2.6rem); }
  .hero-subtitle { font-size: 0.95rem; }

  /* Marquee */
  .marquee-item { padding: 0 18px; font-size: 0.8rem; }

  /* Section headers */
  .section-title { font-size: clamp(1.5rem, 5vw, 2rem); }

  /* Pricing */
  .pricing-grid { max-width: 100%; }

  /* Steps */
  .steps-grid { grid-template-columns: 1fr; }
  .step-item { max-width: 380px; margin: 0 auto; }

  /* DESC */
  .desc-token-stats { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer { padding: 50px 0 24px; }

  /* Dashboard */
  .stat-cards-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-content { padding: 20px 16px; }

  .topbar { padding: 0 16px; }

  .page-title { font-size: 1.3rem; }

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

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

  .referral-stats-row { grid-template-columns: repeat(3, 1fr); }

  /* Wallet */
  .wallet-hero-card { padding: 24px 20px; }
  .wallet-balance-amount { font-size: 2.2rem; }

  .wallet-actions { gap: 8px; }
  .wallet-action-btn { padding: 9px 14px; font-size: 0.8rem; }

  /* Table */
  .table th, .table td { padding: 10px 12px; font-size: 0.8rem; }
}

/* ── ≤ 600px — Mobile ── */
@media (max-width: 600px) {
  /* Container */
  .container { padding: 0 16px; }

  /* Hero */
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .hero-stat-number { font-size: 1.4rem; }

  /* Navbar */
  .navbar-actions .btn-nav-login { display: none; }

  /* Tabs */
  .filter-tabs { gap: 6px; }
  .filter-tab  { padding: 6px 16px; font-size: 0.78rem; }

  /* Plan cards */
  .plan-details { grid-template-columns: repeat(3, 1fr); }

  /* Pricing */
  .pricing-card { padding: 28px 20px; }

  /* Dashboard */
  .stat-cards-grid { grid-template-columns: 1fr; }

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

  .staking-stats { grid-template-columns: 1fr; }
  .staking-duration-tabs { flex-wrap: wrap; }

  .topup-packages { grid-template-columns: 1fr; }

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

  .desc-info-grid { grid-template-columns: 1fr; }

  .topup-custom-input-row { flex-direction: column; }

  /* Modal */
  .modal { padding: 24px 18px; }
  .payment-method-select { grid-template-columns: 1fr 1fr; }

  /* Toast */
  .toast-container { right: 10px; left: 10px; max-width: none; }

  /* Dropdown */
  .notif-panel { width: calc(100vw - 20px); right: -10px; }

  /* Footer */
  .footer-social { justify-content: flex-start; }
}

/* ── ≤ 480px — Small Mobile ── */
@media (max-width: 480px) {
  /* Hero */
  .hero { padding: 80px 0 50px; }
  .hero-badge { font-size: 0.72rem; }
  .hero-title { font-size: clamp(1.6rem, 7vw, 2.2rem); }

  .hero-cta { gap: 10px; }
  .btn-hero-primary,
  .btn-hero-secondary { padding: 12px 24px; font-size: 0.88rem; }

  /* Plan card */
  .plan-card { padding: 18px; }

  /* Testimonials */
  .testimonial-card { padding: 20px; }

  /* Steps */
  .step-number { width: 60px; height: 60px; font-size: 1.2rem; }

  /* Dashboard */
  .topbar { height: 56px; }
  .dashboard-content { padding: 16px 12px; }
  .dash-card { padding: 16px; }

  .wallet-hero-card { padding: 20px 16px; }
  .wallet-balance-amount { font-size: 1.9rem; }

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

  .tier-progress-card { padding: 18px; }

  /* Table responsive */
  .table-responsive-label { display: block; }

  /* Sidebar */
  .sidebar { width: 240px; }

  /* Modal */
  .modal-overlay { padding: 12px; }

  /* Auth */
  .auth-left { padding: 24px 16px; }
  .auth-box-title { font-size: 1.35rem; }
  .otp-inputs { gap: 7px; }
  .otp-input  { width: 42px; height: 50px; font-size: 1.2rem; }
}

/* ── ≤ 375px — Very Small Mobile (iPhone SE) ── */
@media (max-width: 375px) {
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-stat-number { font-size: 1.2rem; }

  .register-tier-select { grid-template-columns: 1fr; }

  .payment-method-select { grid-template-columns: 1fr; }

  .auth-logo-name { font-size: 0.95rem; }

  .otp-input { width: 38px; height: 46px; font-size: 1rem; }

  .topup-packages { grid-template-columns: 1fr; }

  .wallet-actions { flex-direction: column; }
  .wallet-action-btn { width: 100%; justify-content: center; }

  .sidebar-desc-balance { display: none; }
}

/* ── Print Styles ── */
@media print {
  .navbar,
  .sidebar,
  .topbar,
  .toast-container,
  .modal-overlay { display: none !important; }

  .dashboard-main { margin-left: 0 !important; }

  body {
    background: #fff !important;
    color: #000 !important;
  }
}

/* ── Landscape Phone ── */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: 80px 0 40px;
  }

  .auth-root {
    min-height: auto;
  }
}

/* ── High-DPI / Retina ── */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .brand-logo,
  .sidebar-logo,
  .auth-logo-icon {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* ── Dark/Light mode override (keep dark by default) ── */
@media (prefers-color-scheme: light) {
  /* Force dark theme even on light-mode OS */
  :root {
    color-scheme: dark;
  }
}

/* ── Hover-capable devices ── */
@media (hover: none) {
  .plan-card:hover,
  .testimonial-card:hover,
  .pricing-card:hover,
  .stat-card:hover {
    transform: none;
  }

  .btn-hero-primary:hover,
  .btn-hero-secondary:hover {
    transform: none;
  }
}

/* ── Focus Visible (Accessibility) ── */
:focus-visible {
  outline: 2px solid #00d4ff;
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── Touch Targets (Accessibility — min 44px) ── */
@media (pointer: coarse) {
  .sidebar-nav-item,
  .sidebar-footer-item,
  .filter-tab,
  .tab-btn {
    min-height: 44px;
  }

  .topbar-icon-btn {
    width: 44px;
    height: 44px;
  }

  .dropdown-item {
    padding: 12px 14px;
  }

  .otp-input {
    min-width: 44px;
    min-height: 52px;
  }
}