/* ==========================================================================
   FIVENTO AI — ULTIMATE ENTERPRISE DESIGN SYSTEM
   Header Navigation Pinned Right & Clean Layout Alignment
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fragment+Mono:ital@0;1&family=Inter:wght@400;500;600;700;800;900&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  --color-bg: #FFFFFF;
  --color-surface: #FAFAFC;
  --color-surface-muted: #F1F3F9;
  --color-surface-hover: #EAEFF7;
  
  --color-text: #0F172A;
  --color-text-secondary: #475569;
  --color-text-muted: #94A3B8;
  
  --color-border: #E2E8F0;
  --color-border-subtle: #F1F5F9;
  --color-border-hover: #CBD5E1;
  
  --color-primary: #0F172A;
  --color-primary-soft: #F8FAFC;
  --color-accent: #2563EB;
  --color-accent-soft: #EFF6FF;
  --color-indigo: #4F46E5;
  --color-violet: #8B5CF6;
  --color-violet-soft: #F5F3FF;
  --color-cyan: #06B6D4;
  
  --color-success: #10B981;
  --color-success-soft: #ECFDF5;
  --color-warning: #F59E0B;
  --color-warning-soft: #FFFBEB;
  --color-danger: #EF4444;
  --color-danger-soft: #FEF2F2;

  --font-sans: 'Manrope', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Fragment Mono', 'JetBrains Mono', Consolas, monospace;

  --container-max: 1280px;
  --container-narrow: 880px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.03), 0 1px 2px rgba(15, 23, 42, 0.02);
  --shadow-md: 0 16px 32px -8px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 24px 48px -12px rgba(15, 23, 42, 0.1), 0 8px 24px -4px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 50px rgba(37, 99, 235, 0.12);
  --shadow-glow-violet: 0 0 50px rgba(139, 92, 246, 0.14);

  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.code-chip {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 6px;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

h1 { font-size: clamp(2.75rem, 5.8vw, 5.25rem); letter-spacing: -0.04em; }
h2 { font-size: clamp(2.1rem, 3.8vw, 3.4rem); letter-spacing: -0.035em; }
h3 { font-size: clamp(1.45rem, 2.3vw, 2.1rem); }
h4 { font-size: 1.3rem; }

p { color: var(--color-text-secondary); font-size: 1.0625rem; line-height: 1.75; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  white-space: nowrap;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent);
}

.lead-text {
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  color: var(--color-text-secondary);
  line-height: 1.65;
  max-width: 820px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 28px;
}

.container-narrow { max-width: var(--container-narrow); }
.section-padding { padding: 120px 0; }
.section-padding-sm { padding: 70px 0; }

.section-header {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 64px auto;
}

.section-header.text-left { text-align: left; margin-left: 0; }

/* HEADER & RIGHT-ALIGNED NAVIGATION MENU */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border-subtle);
  transition: var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.035em;
  color: var(--color-text);
  flex-shrink: 0;
  white-space: nowrap;
}

/* Nav Menu Pinned Right Next to Actions */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin-left: auto; /* Pushes menu to the RIGHT */
  flex-shrink: 1;
}

.nav-item {
  position: relative;
  flex-shrink: 0;
}

.nav-link {
  font-size: 0.90625rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: 8px 0;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  right: 0; /* Aligned right */
  transform: translateY(12px);
  opacity: 0;
  visibility: hidden;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 16px;
  min-width: 270px;
  transition: var(--transition-base);
  z-index: 100;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown-link {
  display: flex;
  flex-direction: column;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.dropdown-link:hover { background: var(--color-surface); }
.dropdown-title { font-size: 0.875rem; font-weight: 700; color: var(--color-text); white-space: nowrap; }
.dropdown-desc { font-size: 0.75rem; color: var(--color-text-secondary); margin-top: 2px; white-space: nowrap; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn-primary { background: var(--color-primary); color: #FFFFFF; border-color: var(--color-primary); }
.btn-primary:hover { background: #1E293B; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn-secondary { background: var(--color-bg); color: var(--color-text); border-color: var(--color-border); }
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-border-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-accent); border-color: rgba(37, 99, 235, 0.25); }
.btn-outline:hover { background: var(--color-accent-soft); border-color: var(--color-accent); }

.btn-lg { padding: 18px 36px; font-size: 1.0625rem; border-radius: var(--radius-md); }
.btn-sm { padding: 9px 18px; font-size: 0.84375rem; }

/* Cards & Grids */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-surface-muted);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 800;
  margin-bottom: 24px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 36px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.feature-box {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-box h3 { font-size: 1.5rem; }

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}

.feature-list li {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-list li::before {
  content: "✔";
  color: var(--color-success);
  font-weight: 800;
}

.comparison-container { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; margin-top: 48px; }
.comparison-box { border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 44px; }
.comparison-box.legacy { background: var(--color-surface); }
.comparison-box.fivento { background: #FFFFFF; border-color: rgba(37, 99, 235, 0.35); box-shadow: var(--shadow-glow); }

.step-flow { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.step-item { display: flex; align-items: center; gap: 14px; padding: 14px 20px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 0.9375rem; font-weight: 600; }
.step-item.active { border-color: var(--color-accent); background: var(--color-accent-soft); color: var(--color-accent); }

.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 90px 0 40px 0;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.5fr repeat(5, 1fr);
  gap: 40px;
  margin-bottom: 64px;
}

.footer-col h5 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-links a:hover { color: var(--color-text); }

.footer-legal-bar {
  border-top: 1px solid var(--color-border);
  padding-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.footer-address { font-style: normal; line-height: 1.6; }
.mobile-nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--color-text); }