/* ============================================
   UNIPLAN SOFTWARE — Design System
   uniplansoftware.it
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

/* ============================================
   CSS RESET MINIMALE
   ============================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, svg {
  display: block;
  max-width: 100%;
}

input, button, textarea, select {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   VARIABILI CUSTOM
   ============================================ */
:root {
  /* --- Blu Mare --- */
  --color-core: #1B4965;
  --color-core-accent: #2E86AB;
  --color-core-bg: #E0F0F8;

  /* --- Giallo Ocra (Intelligence) --- */
  --color-intel: #D4A017;
  --color-intel-dark: #B8860B;
  --color-intel-bg: #FDF6E3;

  /* --- Neutri --- */
  --color-text: #1A1A1A;
  --color-text-secondary: #5F5E5A;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F0F4F8;
  --color-border: #E0DED8;

  /* --- Font --- */
  --font-heading: 'Open Sans', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* --- Spacing (scala 4px) --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* --- Border Radius --- */
  --radius: 8px;
  --radius-card: 12px;
  --radius-pill: 20px;

  /* --- Transizioni --- */
  --transition: 0.2s ease;
  --transition-slow: 0.4s ease;

  /* --- Ombre --- */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-text);
  background-color: var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  letter-spacing: 0.01em;
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
}

h4 {
  font-size: 1rem;
}

p {
  max-width: 65ch;
  color: var(--color-text-secondary);
}

code, .label-mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.875rem;
}

small {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

strong {
  font-weight: 600;
}

/* ============================================
   UTILITY — LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.section {
  padding-block: var(--space-3xl);
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.text-center {
  text-align: center;
}

/* ============================================
   BOTTONI
   ============================================ */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-primary {
  background-color: var(--color-intel);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-intel-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-core);
  border: 1.5px solid var(--color-core);
}

.btn-secondary:hover {
  background-color: var(--color-core-bg);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

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

/* ============================================
   CARD
   ============================================ */
.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Variante Core (blu mare) */
.card-core {
  border-color: var(--color-core-bg);
  border-left: 3px solid var(--color-core);
}

.card-core:hover {
  box-shadow: 0 4px 12px rgba(27, 73, 101, 0.12);
}

/* Variante Intelligence (ocra) */
.card-intelligence {
  border-color: var(--color-intel-bg);
  border-left: 3px solid var(--color-intel);
}

.card-intelligence:hover {
  box-shadow: 0 4px 12px rgba(212, 160, 23, 0.15);
}

/* ============================================
   BADGE & CHIP
   ============================================ */
.badge-core,
.badge-intel {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
}

.badge-core {
  background-color: var(--color-core-bg);
  color: var(--color-core);
}

.badge-intel {
  background-color: var(--color-intel-bg);
  color: var(--color-intel);
}

/* UniCogito brand bicolore: Uni (blu) + Cogito (ocra) */
.unicogito-brand {
  font-weight: 600;
}
.unicogito-brand .uc-uni {
  color: var(--color-core);
}
.unicogito-brand .uc-cogito {
  color: var(--color-intel);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-pill);
  transition: background-color var(--transition);
}

.chip:hover {
  background-color: var(--color-border);
}

/* ============================================
   GRIGLIA RESPONSIVE
   ============================================ */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
.grid-4 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}