/* ==========================================================================
   Modern UI Override
   Load this file AFTER the existing theme CSS.
   Preserves legacy Bootstrap 4/theme class names while modernizing visuals.
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Manrope:wght@500;600;700&display=swap");

:root {
  color-scheme: light;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --secondary: #e2e8f0;
  --success: #16a34a;
  --info: #7c3aed;
  --warning: #d97706;
  --danger: #dc2626;
  --light: #f8fafc;
  --dark: #0f172a;

  --body-bg: #f8fafc;
  --surface: #ffffff;
  --surface-muted: #f1f5f9;
  --surface-hover: #f8fafc;
  --text: #334155;
  --text-strong: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --font-family-sans-serif: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-family-heading: "Manrope", "Inter", system-ui, sans-serif;

  --radius-sm: 0.375rem;
  --radius: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgb(15 23 42 / 0.04);
  --shadow-sm: 0 1px 3px rgb(15 23 42 / 0.08),
    0 1px 2px rgb(15 23 42 / 0.05);
  --shadow: 0 10px 30px rgb(15 23 42 / 0.08);
  --shadow-lg: 0 24px 60px rgb(15 23 42 / 0.14);

  --focus-ring: 0 0 0 0.25rem rgb(37 99 235 / 0.18);
  --transition-fast: 150ms ease;
  --transition: 220ms ease;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font-family-sans-serif);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgb(37 99 235 / 0.045), transparent 28rem),
    var(--body-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  font-family: var(--font-family-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--text-strong);
}

h1,
.h1 {
  font-size: clamp(2.25rem, 5vw, 4.5rem);
}

h2,
.h2 {
  font-size: clamp(1.875rem, 4vw, 3.25rem);
}

h3,
.h3 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
}

h4,
.h4 {
  font-size: clamp(1.25rem, 2vw, 1.75rem);
}

h5,
.h5 {
  font-size: 1.125rem;
}

h6,
.h6 {
  font-size: 0.9375rem;
}

p,
li {
  color: var(--text);
}

a {
  color: var(--primary);
  text-underline-offset: 0.18em;
  transition:
    color var(--transition-fast),
    opacity var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--primary-hover);
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

::selection {
  color: #fff;
  background: var(--primary);
}

img,
video {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
}

.container,
.container-fluid,
.container-sm,
.container-md,
.container-lg,
.container-xl {
  padding-right: clamp(1rem, 3vw, 2rem);
  padding-left: clamp(1rem, 3vw, 2rem);
}

/* Cards ------------------------------------------------------------------ */

.card {
  overflow: hidden;
  background: rgb(255 255 255 / 0.9);
  border: 1px solid rgb(226 232 240 / 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    border-color var(--transition);
}

.card:hover {
  border-color: var(--border-strong);
}

.card-hover-shadow:hover,
.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.card-header,
.card-footer {
  padding: 1rem 1.25rem;
  background: rgb(248 250 252 / 0.88);
  border-color: var(--border);
}

.card-body {
  padding: clamp(1.25rem, 3vw, 2rem);
}

/* Buttons ---------------------------------------------------------------- */

.btn {
  min-height: 2.75rem;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  text-transform: none;
  box-shadow: var(--shadow-xs);
  transition:
    transform var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active,
.btn.active {
  transform: translateY(0);
}

.btn:focus,
.btn.focus {
  box-shadow: var(--focus-ring);
}

.btn-primary {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  color: #fff;
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  box-shadow: 0 10px 24px rgb(37 99 235 / 0.24);
}

.btn-primary:active,
.btn-primary.active {
  background: var(--primary-active);
  border-color: var(--primary-active);
}

.btn-secondary {
  color: var(--text-strong);
  background: var(--secondary);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  color: var(--text-strong);
  background: #cbd5e1;
  border-color: #cbd5e1;
}

.btn-success {
  background: var(--success);
  border-color: var(--success);
}

.btn-danger {
  background: var(--danger);
  border-color: var(--danger);
}

.btn-warning {
  color: #fff;
  background: var(--warning);
  border-color: var(--warning);
}

.btn-info {
  background: var(--info);
  border-color: var(--info);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: rgb(37 99 235 / 0.45);
}

.btn-outline-primary:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.btn-light,
.btn-white {
  color: var(--text-strong);
  background: #fff;
  border-color: var(--border);
}

.btn-light:hover,
.btn-white:hover {
  color: var(--text-strong);
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

.btn-round,
.btn-circle {
  border-radius: var(--radius-pill);
}

/* Forms ------------------------------------------------------------------ */

label {
  margin-bottom: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--text-strong);
}

.form-control,
.custom-select,
.custom-file-label {
  min-height: 2.85rem;
  padding: 0.72rem 0.9rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text-strong);
  background-color: rgb(255 255 255 / 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.form-control::placeholder {
  color: #94a3b8;
}

.form-control:hover,
.custom-select:hover {
  border-color: var(--border-strong);
}

.form-control:focus,
.custom-select:focus {
  color: var(--text-strong);
  background-color: #fff;
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.form-control:disabled,
.form-control[readonly],
.custom-select:disabled {
  color: var(--text-muted);
  background: var(--surface-muted);
}

.input-group {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.input-group.focus {
  border-color: var(--primary);
  box-shadow: var(--focus-ring);
}

.input-group .form-control,
.input-group-text {
  border: 0;
  box-shadow: none;
}

.input-group-text {
  color: var(--text-muted);
  background: var(--surface-muted);
}

.custom-control-label {
  font-weight: 400;
}

.switch-label::before {
  border-color: var(--border-strong);
  background: var(--surface-muted);
}

.switch-input:checked~.switch-label::before {
  border-color: rgb(37 99 235 / 0.35);
  background: rgb(37 99 235 / 0.12);
}

.switch-input:checked~.switch-label::after {
  background: var(--primary);
}

/* Navigation ------------------------------------------------------------- */

.navbar {
  min-height: 4.5rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgb(226 232 240 / 0.75);
  box-shadow: 0 8px 30px rgb(15 23 42 / 0.05);
  backdrop-filter: blur(18px);
}

.navbar-brand {
  font-family: var(--font-family-heading);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-strong);
}

.navbar-light .navbar-nav .nav-link,
.navbar-dark .navbar-nav .nav-link,
.nav-link {
  color: var(--text-muted);
  font-weight: 600;
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:hover,
.nav-link:hover,
.nav-link.active,
.nav-item.show .nav-link {
  color: var(--text-strong);
}

.nav-pills .nav-link {
  border-radius: var(--radius-pill);
}

.nav-pills .nav-link.active,
.nav-pills .show>.nav-link {
  color: #fff;
  background: var(--primary);
}

.nav-tabs {
  gap: 0.25rem;
  border-bottom-color: var(--border);
}

.nav-tabs .nav-link {
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
}

.nav-tabs .nav-link.active {
  color: var(--primary);
  background: transparent;
  border-color: var(--primary);
}

.dropdown-menu {
  padding: 0.5rem;
  background: rgb(255 255 255 / 0.96);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.dropdown-item {
  padding: 0.65rem 0.8rem;
  color: var(--text);
  border-radius: var(--radius-sm);
  opacity: 1;
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: var(--text-strong);
  background: var(--surface-muted);
}

.dropdown-item.active,
.dropdown-item:active {
  color: #fff;
  background: var(--primary);
}

/* Tables ----------------------------------------------------------------- */

.table {
  overflow: hidden;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.table th,
.table td {
  padding: 0.9rem 1rem;
  vertical-align: middle;
  border-color: var(--border);
}

.table thead th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-muted);
  border-bottom: 1px solid var(--border);
}

.table-striped tbody tr:nth-of-type(odd) {
  background: rgb(248 250 252 / 0.75);
}

.table-hover tbody tr:hover {
  color: var(--text-strong);
  background: #eff6ff;
}

/* Alerts, badges, pagination --------------------------------------------- */

.alert {
  padding: 1rem 1.1rem;
  border-width: 1px;
  border-left-width: 4px;
  border-radius: var(--radius);
}

.alert-primary {
  color: #1e3a8a;
  background: #eff6ff;
  border-color: #93c5fd;
}

.alert-success {
  color: #14532d;
  background: #f0fdf4;
  border-color: #86efac;
}

.alert-warning {
  color: #78350f;
  background: #fffbeb;
  border-color: #fcd34d;
}

.alert-danger {
  color: #7f1d1d;
  background: #fef2f2;
  border-color: #fca5a5;
}

.badge {
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
}

.page-link {
  min-width: 2.4rem;
  min-height: 2.4rem;
  margin: 0 0.15rem;
  display: inline-grid;
  place-items: center;
  color: var(--text);
  background: #fff;
  border-color: var(--border);
  border-radius: var(--radius);
}

.page-link:hover {
  color: var(--primary);
  background: #eff6ff;
  border-color: #bfdbfe;
}

.page-item.active .page-link {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* Modals, tooltips, popovers --------------------------------------------- */

.modal-content {
  border: 1px solid rgb(226 232 240 / 0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.modal-header,
.modal-footer {
  border-color: var(--border);
}

.modal-backdrop.show {
  opacity: 0.62;
}

.tooltip-inner {
  padding: 0.45rem 0.65rem;
  border-radius: var(--radius-sm);
  background: var(--dark);
}

.popover {
  border-color: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

/* Accordions, list groups ------------------------------------------------ */

.accordion .card {
  margin-bottom: 0.75rem;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg);
}

.accordion .card-title {
  background: var(--surface-muted);
}

.accordion .card-title a {
  padding: 1rem 1.25rem;
  font-weight: 700;
  color: var(--text-strong);
}

.list-group {
  border-radius: var(--radius-lg);
}

.list-group-item {
  padding: 0.9rem 1rem;
  color: var(--text);
  background: #fff;
  border-color: var(--border);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
  color: var(--text-strong);
  background: var(--surface-muted);
}

.list-group-item.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* Hero, pricing, products, portfolio ------------------------------------- */

.jumbotron {
  padding: clamp(2rem, 6vw, 5rem);
  background:
    linear-gradient(135deg, rgb(37 99 235 / 0.08), rgb(124 58 237 / 0.08)),
    #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.pricing-1,
.pricing-3,
.pricing-4,
.product-1,
.product-3,
.press-kit {
  border-color: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.pricing-1.popular,
.pricing-1:hover,
.pricing-4.popular,
.pricing-4:hover,
.product-3:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.portfolio-1,
.product-2 .product-media,
.card-img-top,
.press-kit {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.portfolio-1::before {
  background: linear-gradient(135deg,
      rgb(37 99 235 / 0.88),
      rgb(124 58 237 / 0.82));
}

/* Media and galleries ---------------------------------------------------- */

.img-thumbnail {
  padding: 0.35rem;
  border-color: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-xs);
}

.avatar {
  object-fit: cover;
  box-shadow: 0 0 0 3px #fff, 0 0 0 4px var(--border);
}

.gallery-item img {
  transition: transform 400ms ease;
}

.gallery-item:hover img {
  transform: scale(1.035);
}

.gallery-item-overlay {
  background: rgb(15 23 42 / 0.46);
  backdrop-filter: blur(3px);
}

/* Footer ----------------------------------------------------------------- */

.footer {
  margin-top: auto;
  padding: 2rem 0;
  color: var(--text-muted);
  background: rgb(255 255 255 / 0.82);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

/* Utilities -------------------------------------------------------------- */

.shadow-sm {
  box-shadow: var(--shadow-sm) !important;
}

.shadow {
  box-shadow: var(--shadow) !important;
}

.shadow-lg {
  box-shadow: var(--shadow-lg) !important;
}

.rounded-sm {
  border-radius: var(--radius-sm) !important;
}

.rounded {
  border-radius: var(--radius) !important;
}

.rounded-lg {
  border-radius: var(--radius-lg) !important;
}

.bg-light {
  background-color: var(--light) !important;
}

.bg-dark {
  background-color: var(--dark) !important;
}

.text-dark {
  color: var(--text-strong) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

.border {
  border-color: var(--border) !important;
}

pre {
  padding: 1rem 1.1rem;
  color: #dbeafe;
  background: #0f172a;
  border: 1px solid #1e293b;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

code {
  color: #be123c;
  background: #fff1f2;
  border-radius: 0.25rem;
  padding: 0.1em 0.28em;
}

pre code {
  padding: 0;
  color: inherit;
  background: transparent;
}

/* Scrollbar -------------------------------------------------------------- */

* {
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border: 3px solid transparent;
  border-radius: var(--radius-pill);
  background-clip: padding-box;
}

*::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
  border: 3px solid transparent;
  background-clip: padding-box;
}

.theme-dark {
  display: none;
}

.theme-light {
  display: inherit;
}

/* Dark mode -------------------------------------------------------------- */

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --body-bg: #020617;
    --surface: #0f172a;
    --surface-muted: #111c2f;
    --surface-hover: #172033;
    --text: #cbd5e1;
    --text-strong: #f8fafc;
    --text-muted: #94a3b8;
    --border: #243044;
    --border-strong: #334155;
    --secondary: #263449;
  }

  .theme-dark {
    display: inherit;
  }

  .theme-light {
    display: none;
  }

  .bg-gray,
  ul.features-list li:nth-child(2n) {
    background-color: var(--body-bg);
  }

  body {
    background:
      radial-gradient(circle at top left, rgb(37 99 235 / 0.12), transparent 30rem),
      var(--body-bg);
  }

  .card,
  .table,
  .form-control,
  .custom-select,
  .custom-file-label,
  .input-group,
  .dropdown-menu,
  .list-group-item,
  .modal-content,
  .page-link,
  .footer,
  .navbar,
  .btn-light,
  .btn-white {
    color: var(--text);
    background-color: rgb(15 23 42 / 0.92);
    border-color: var(--border);
  }

  .card-header,
  .card-footer,
  .table thead th,
  .input-group-text,
  .accordion .card-title,
  .dropdown-item:hover,
  .dropdown-item:focus,
  .list-group-item-action:hover,
  .list-group-item-action:focus {
    background: var(--surface-muted);
  }

  .table-striped tbody tr:nth-of-type(odd) {
    background: rgb(30 41 59 / 0.45);
  }

  .table-hover tbody tr:hover {
    background: rgb(37 99 235 / 0.14);
  }

  .form-control:focus,
  .custom-select:focus {
    background: #0f172a;
  }

  .btn-secondary {
    color: #f8fafc;
    background: #334155;
    border-color: #334155;
  }

  .btn-secondary:hover {
    color: #fff;
    background: #475569;
    border-color: #475569;
  }

  code {
    color: #fda4af;
    background: #4c0519;
  }
}

/* Motion accessibility --------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* Responsive polish ------------------------------------------------------ */

@media (max-width: 767.98px) {
  body {
    font-size: 0.9rem;
  }

  .navbar {
    min-height: 4rem;
  }

  .card-body,
  .modal-body {
    padding: 1.1rem;
  }

  .table th,
  .table td {
    padding: 0.75rem;
  }

  .btn {
    min-height: 2.65rem;
    padding-inline: 1rem;
  }
}