@media (max-width: 1050px) {
  .public-header { grid-template-columns: 1fr auto; }
  .public-nav { display: none; position: absolute; left: 0; right: 0; top: 78px; padding: 12px 5vw 20px; background: white; border-bottom: 1px solid var(--line); flex-direction: column; }
  .public-nav.open { display: flex; }
  .mobile-only { display: inline-grid; }
  .desktop-only { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-filters { grid-template-columns: 1fr 1fr; }
  .accounting-filters { grid-template-columns: 1fr 1fr; }
  .crm-filters { grid-template-columns: 1fr 1fr; }
  .crm-pipeline { grid-template-columns: repeat(4, 1fr); }
  .master-hero { grid-template-columns: 1fr; }
  .curriculum-list { grid-template-columns: 1fr; }
  .role-program-card { grid-template-columns: 190px 1fr; }
  .course-admin-grid, .course-workspace-grid { grid-template-columns: 1fr; }
  .payments-grid { grid-template-columns: 1fr; }
  .financial-report-grid { grid-template-columns: 1fr 1fr; }
  .student-filters { grid-template-columns: 1fr 1fr; }
  .program-info-grid { grid-template-columns: 1fr 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; transform: translateX(-100%); transition: .25s; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; position: fixed; z-index: 55; inset: 0; background: rgba(28,13,18,.45); }
  .sidebar-brand .icon-button { margin-left: auto; color: var(--wine); border-color: var(--line); background: var(--blush); }
}

@media (max-width: 760px) {
  .public-header { padding: 0 20px; }
  .hero, .section { padding-left: 22px; padding-right: 22px; }
  .hero { min-height: auto; padding-top: 65px; }
  .hero h1 { font-size: 47px; }
  .hero-proof { gap: 18px; flex-wrap: wrap; }
  .hero-visual { min-height: 360px; }
  .hero-card-main { inset: 15px 0 20px; border-radius: 120px 120px 25px 25px; }
  .floating-card { right: -8px; top: 35px; width: 160px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; }
  .membership-banner { grid-template-columns: 1fr; padding: 30px 24px; }
  .benefit-list { grid-template-columns: 1fr; }
  .footer { grid-template-columns: 1fr 1fr; padding: 45px 24px; }
  .footer > div:first-child { grid-column: 1 / -1; }
  .login-shell.active { display: block; }
  .login-story { min-height: 330px; padding: 100px 25px 45px; }
  .story-content h1 { font-size: 42px; }
  .trust-list { display: none; }
  .login-panel { padding: 45px 24px; }
  .portal-header { padding: 0 17px; }
  .back-nav-button span { display: none; }
  .back-nav-button { width: 38px; padding: 0; justify-content: center; }
  .header-user strong, .header-user small { display: none; }
  .portal-content { padding: 22px 16px 50px; }
  .content-head { align-items: flex-start; flex-direction: column; }
  .master-summary { grid-template-columns: 45px 1fr; }
  .master-summary .button { grid-column: 1 / -1; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .analytics-stats { grid-template-columns: 1fr 1fr; }
  .analytics-filters { grid-template-columns: 1fr; }
  .analytics-filters .button { width: 100%; }
  .crm-filters { grid-template-columns: 1fr; }
  .crm-filters .button { width: 100%; }
  .crm-pipeline { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: auto; }
  .student-record-grid { grid-template-columns: 1fr; }
  .master-hero, .master-section { padding: 27px 20px; }
  .master-facts, .method-grid, .evaluation-grid, .master-two-column { grid-template-columns: 1fr; }
  .hour-breakdown { grid-template-columns: 1fr; }
  .master-two-column .master-section + .master-section { border-left: 0; border-top: 1px solid var(--line); }
  .investment-card { align-items: flex-start; flex-direction: column; margin: 0 20px 25px; padding: 25px; }
  .investment-details { flex-direction: column; gap: 14px; }
  .grade-context, .grade-legend { grid-template-columns: 1fr; }
  .checkbox-grid { grid-template-columns: 1fr; }
  .module-assignment-row, .assignment-summary { grid-template-columns: 1fr; }
  .grade-formula { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: 1fr; }
  .role-program-card { grid-template-columns: 1fr; }
  .course-admin-grid, .student-filters { grid-template-columns: 1fr; }
  .student-filters .button { width: 100%; }
  .course-admin-metrics { grid-template-columns: 1fr 1fr; }
  .operational-class { grid-template-columns: 36px 1fr; }
  .class-attendance-count, .operational-class .row-actions { text-align: left; justify-content: flex-start; grid-column: 2; }
  .role-program-image { min-height: 190px; }
  .schedule-row { grid-template-columns: 1fr; gap: 7px; }
  .delete-impact { grid-template-columns: 1fr 1fr; }
  .receipt-header, .receipt-status { align-items: flex-start; flex-direction: column; }
  .receipt-header > div:last-child { align-items: flex-start; text-align: left; }
  .receipt-details { grid-template-columns: 1fr; }
  .receipt-details > div { border-right: 0; }
  .receipt-signatures { gap: 25px; margin-left: 0; margin-right: 0; }
  .receipt-actions { flex-direction: column; }
  .receipt-actions .button { width: 100%; }
  .statement-person { grid-template-columns: 1fr 1fr; }
  .financial-report-grid { grid-template-columns: 1fr; }
  .payment-student-summary { grid-template-columns: 1fr; }
  .payment-form-actions { flex-direction: column; }
  .payment-form-actions .button { width: 100%; }
  .academic-progress-banner { align-items: flex-start; flex-direction: column; }
  .academic-record-grid { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .stats-grid, .footer { grid-template-columns: 1fr; }
  .footer > div:first-child { grid-column: auto; }
  .hero-actions .button { width: 100%; }
  .modal-card { padding: 24px 18px; }
  .modal-actions { flex-direction: column-reverse; }
  .modal-actions .button { width: 100%; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  body * { visibility: hidden !important; }
  .payment-receipt, .payment-receipt *, .printable-statement, .printable-statement *, .financial-dashboard, .financial-dashboard *, .academic-record-grid, .academic-record-grid * { visibility: visible !important; }
  .payment-receipt, .printable-statement, .financial-dashboard, .academic-record-grid {
    position: fixed; inset: 0; width: 100%; padding: 0;
    color: #38252b !important; print-color-adjust: exact; -webkit-print-color-adjust: exact;
  }
  .financial-dashboard { position: absolute; }
  .academic-record-grid { position: absolute; display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 12px; }
  .financial-dashboard .content-actions, .financial-dashboard form, .financial-dashboard .mini-button { display: none !important; }
  .receipt-actions, .modal-close { display: none !important; }
  .receipt-details { grid-template-columns: 1fr 1fr !important; }
  .receipt-header { align-items: flex-start; flex-direction: row !important; }
  .receipt-header > div:last-child { align-items: flex-end; text-align: right; }
  .receipt-status { align-items: center; flex-direction: row !important; }
}