/* ============================================
   FirmeInCloud — Stylesheet principale
   Design system SaaS B2B italiano
   ============================================ */

:root {
  /* Palette */
  --color-primary: #1e4d8c;
  --color-primary-dark: #143562;
  --color-primary-light: #3b6db1;
  --color-accent: #00a878;
  --color-accent-dark: #008760;
  --color-text: #1a1f2e;
  --color-text-muted: #5b6478;
  --color-text-light: #8a93a6;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f9fc;
  --color-bg-muted: #eef2f8;
  --color-border: #e1e7f0;
  --color-success: #00a878;
  --color-warning: #f5a623;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', sans-serif;

  /* Layout */
  --max-width: 1180px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(20, 53, 98, 0.06);
  --shadow-md: 0 4px 12px rgba(20, 53, 98, 0.08);
  --shadow-lg: 0 12px 32px rgba(20, 53, 98, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Header / Navigation
   ============================================ */

.site-header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.92);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.logo:hover { color: var(--color-text); }

.logo-mark {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  border-radius: 8px;
  color: white;
}

.logo-text strong { font-weight: 700; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s;
}

.main-nav a:hover { color: var(--color-primary); }

.main-nav a.active { color: var(--color-text); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (max-width: 768px) {
  .main-nav { display: none; }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

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

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

.btn-secondary:hover {
  background: var(--color-bg-muted);
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-accent {
  background: var(--color-accent);
  color: white;
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  color: white;
}

.btn-lg { padding: 14px 28px; font-size: 16px; }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 11px 0;
}

.btn-ghost:hover { color: var(--color-primary-dark); }

/* ============================================
   Hero
   ============================================ */

.hero {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, var(--color-bg) 100%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 968px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
}

.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(30, 77, 140, 0.08);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 500;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero h1 .accent {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--color-text-light);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.hero-visual {
  position: relative;
}

.hero-mockup {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  border: 1px solid var(--color-border);
  position: relative;
  z-index: 2;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #e1e7f0;
}

.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }

.mockup-url {
  margin-left: 12px;
  padding: 4px 12px;
  background: var(--color-bg-muted);
  border-radius: 4px;
  font-size: 12px;
  color: var(--color-text-muted);
  font-family: 'SF Mono', Monaco, monospace;
}

.mockup-doc {
  padding: 16px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.mockup-doc-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.mockup-doc-meta {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.mockup-doc-signature {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-primary-light);
  font-size: 13px;
  color: var(--color-primary);
}

.mockup-signature-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.mockup-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 500;
}

.mockup-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
}

/* ============================================
   Sections
   ============================================ */

.section {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* ============================================
   Features grid
   ============================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature {
  padding: 8px 0;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(30, 77, 140, 0.08);
  color: var(--color-primary);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature h3 {
  font-size: 19px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.feature p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* ============================================
   Stats
   ============================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  padding: 48px;
  background: var(--color-bg-muted);
  border-radius: var(--radius-lg);
  margin: 64px 0;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ============================================
   CTA banner
   ============================================ */

.cta-banner {
  background: var(--color-primary);
  color: white;
  padding: 64px 48px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  position: relative;
}

.cta-banner p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.92;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

.cta-banner .btn-primary {
  background: white;
  color: var(--color-primary);
}

.cta-banner .btn-primary:hover {
  background: var(--color-bg-muted);
  color: var(--color-primary-dark);
}

/* ============================================
   Pricing
   ============================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  position: relative;
  transition: all 0.2s;
}

.pricing-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-md);
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  transform: translateY(-8px);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--color-primary);
  color: white;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.pricing-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-amount {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1;
}

.pricing-period {
  font-size: 14px;
  color: var(--color-text-muted);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--color-text);
}

.pricing-features svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.pricing-card .btn {
  width: 100%;
}

/* ============================================
   Page header (sub-pages)
   ============================================ */

.page-header {
  padding: 72px 0 56px;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.page-header h1 {
  font-size: clamp(32px, 4.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 12px;
}

.breadcrumb a { color: var(--color-text-muted); }

/* ============================================
   Content (legal pages, chi siamo, etc)
   ============================================ */

.content {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 0;
}

.content h2 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 48px 0 16px;
  color: var(--color-text);
}

.content h2:first-child { margin-top: 0; }

.content h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 32px 0 12px;
  color: var(--color-text);
}

.content p {
  font-size: 16px;
  line-height: 1.75;
  margin-bottom: 18px;
  color: var(--color-text);
}

.content ul, .content ol {
  margin: 0 0 20px 24px;
  line-height: 1.75;
}

.content li { margin-bottom: 8px; }

.content strong { font-weight: 600; }

/* ============================================
   Case study
   ============================================ */

.case-study {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 56px;
  align-items: start;
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 968px) {
  .case-study { grid-template-columns: 1fr; }
}

.case-aside {
  position: sticky;
  top: 100px;
  padding: 32px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.case-client-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--color-text);
}

.case-client-sector {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.case-metrics {
  display: grid;
  gap: 20px;
}

.case-metric-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.case-metric-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.case-quote {
  font-style: italic;
  padding: 24px;
  background: rgba(30, 77, 140, 0.04);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 8px 8px 0;
  font-size: 17px;
  line-height: 1.7;
  color: var(--color-text);
  margin: 28px 0;
}

.case-quote-author {
  display: block;
  font-style: normal;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 12px;
}

/* ============================================
   Contact form
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

.contact-info h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--color-text-muted);
  margin-bottom: 28px;
  font-size: 15px;
}

.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-muted);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-detail-icon svg { width: 18px; height: 18px; }

.contact-detail-label {
  font-size: 13px;
  color: var(--color-text-light);
  margin-bottom: 2px;
}

.contact-detail-value {
  font-size: 15px;
  color: var(--color-text);
  font-weight: 500;
}

.contact-form {
  background: white;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.form-group { margin-bottom: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 568px) {
  .form-row { grid-template-columns: 1fr; }
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  color: var(--color-text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 77, 140, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.form-checkbox input { margin-top: 3px; }

/* ============================================
   FAQ
   ============================================ */

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}

.faq-item:first-child { padding-top: 0; }

.faq-question {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.faq-answer {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: #0f1828;
  color: #b3bccf;
  padding: 64px 0 32px;
  font-size: 14px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand .logo { color: white; margin-bottom: 16px; }
.footer-brand .logo-text { color: white; }

.footer-brand p {
  color: #b3bccf;
  font-size: 14px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  color: white;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-col ul { list-style: none; }

.footer-col li { margin-bottom: 10px; }

.footer-col a {
  color: #b3bccf;
  transition: color 0.15s;
}

.footer-col a:hover { color: white; }

.footer-bottom {
  border-top: 1px solid #243248;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #8a93a6;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #8a93a6;
}

.footer-legal-links a:hover { color: white; }

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }