/* ===== ANALISI LOGICA — PREMIUM MINIMALIST DESIGN SYSTEM ===== */

/* --- CSS Custom Properties --- */
:root {
  --bg-page: #FAFAFA;
  --bg-card: #FFFFFF;
  --bg-input: #FFFFFF;
  --bg-surface: #F4F4F5;
  --text-primary: #09090B;
  --text-body: #52525B;
  --text-muted: #A1A1AA;
  --accent: #4F46E5;
  --accent-hover: #4338CA;
  --border: #E4E4E7;
  --border-light: rgba(228, 228, 231, 0.5);

  /* Delicate Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.05), 0 4px 6px -4px rgb(0 0 0 / 0.05);
  --shadow-glow: 0 0 0 4px rgba(79, 70, 229, 0.15);
  --shadow-card: 0 20px 40px -10px rgb(0 0 0 / 0.03);

  --radius: 20px;
  --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.dark {
  --bg-page: #040508;
  --bg-card: #0A0D15;
  --bg-input: #040508;
  --bg-surface: #11141E;
  --text-primary: #FAFAFA;
  --text-body: #A1A1AA;
  --text-muted: #52525B;
  --accent: #6366F1;
  --accent-hover: #818CF8;
  --border: #1F2937;
  --border-light: rgba(31, 41, 55, 0.5);

  /* Dark Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
  --shadow-glow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  --shadow-card: 0 20px 40px -10px rgb(0 0 0 / 0.4);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-page);
  color: var(--text-body);
  transition: background-color 0.5s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Outfit', system-ui, sans-serif;
  color: var(--text-primary);
  transition: color 0.4s ease;
  letter-spacing: -0.02em;
}

::selection {
  background: rgba(79, 70, 229, 0.2);
  color: var(--text-primary);
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 9999;
  padding: 12px 24px;
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  transition: top 0.2s;
}

.skip-link:focus {
  top: 16px;
}

/* --- Glass Navigation --- */
.nav-glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
}

.dark .nav-glass {
  background: rgba(4, 5, 8, 0.75);
}

/* --- Abstract Background Grid (Hero) --- */
.bg-grid {
  background-image: linear-gradient(to right, var(--border) 1px, transparent 1px), linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 10%, transparent 60%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 10%, transparent 60%);
  opacity: 0.6;
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.dark .bg-grid {
  opacity: 0.3;
}

/* --- Premium Input (Command Palette Style) --- */
.premium-input-wrapper {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.premium-input-wrapper:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}

.premium-input {
  background: transparent;
  border: none;
  width: 100%;
  padding: 24px 28px;
  font-size: 1.15rem;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
}

.premium-input:focus {
  outline: none;
}

.premium-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* --- Solid, Refined Button --- */
.btn-refined {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 14px 32px;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-md);
}

.btn-refined:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-refined:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* --- Minimalist Card --- */
.card-minimal {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
}

.card-minimal:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-card);
}

.card-icon-wrap {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--bg-surface);
  color: var(--text-primary);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card-minimal:hover .card-icon-wrap {
  background: var(--accent);
  color: #fff;
}

/* --- Elegant FAQ Accordion --- */
.acc-item {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.acc-item:last-child {
  border-bottom: none;
}

.acc-btn {
  width: 100%;
  text-align: left;
  padding: 24px 0;
  background: transparent;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.acc-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-btn[aria-expanded="true"] .acc-icon {
  transform: rotate(180deg);
  color: var(--accent);
}

.acc-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.acc-content.open {
  max-height: 500px;
}

.acc-text {
  padding-bottom: 24px;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* --- Enterprise Data Table --- */
.table-wrap {
  overflow-x: auto;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  padding: 18px 24px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 2;
  letter-spacing: 0.02em;
}

.data-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-body);
  vertical-align: top;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: var(--bg-page);
}

.data-table .row-title {
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
}

/* Pill Badges */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  background: var(--bg-surface);
  color: var(--text-body);
  border: 1px solid var(--border);
}

/* --- Mobile Nav --- */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-menu.open {
  max-height: 300px;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUpAnim 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

@keyframes fadeUpAnim {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-page);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* --- Print --- */
@media print {

  .bg-grid,
  nav,
  .footer-links {
    display: none !important;
  }

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

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}