/* Xaduno Website — shared marketing-site styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --brand-gradient: linear-gradient(135deg, #B45EE8 0%, #E14A8D 50%, #5FCAF9 100%);
  --brand-gradient-tight: linear-gradient(135deg, #B45EE8 0%, #E14A8D 100%);
  --blue-500: #335CFF;
  --blue-50: #E0E9FC;
  --text-strong: #0F172A;
  --text-default: #334155;
  --text-sub: #64748B;
  --text-soft: #94A3B8;
  --bg-white: #FEFEFE;
  --bg-weak: #F8FAFC;
  --bg-sub: #F1F5F9;
  --stroke-soft: #E2E8F0;
  --stroke-sub: #CBD5E1;
  --shadow-xs: 0 1px 2px 0 rgba(10,13,20,0.03);
  --shadow-md: 0 16px 32px -12px rgba(14,18,27,0.10);
  --shadow-lg: 0 24px 48px -16px rgba(14,18,27,0.14);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg-white); color: var(--text-strong); }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* Layout */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 112px 0; }
.section.tight { padding: 64px 0; }
.section.dark { background: #0F172A; color: #FEFEFE; }
.section.weak { background: var(--bg-weak); }

/* Eyebrow */
.eyebrow {
  font-family: 'Poppins', sans-serif; font-weight: 500; font-size: 13px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-sub); margin-bottom: 20px;
}
.eyebrow.on-dark { color: rgba(254,254,254,0.55); }

/* Headings */
h1, h2, h3, h4 { font-family: 'Poppins', sans-serif; font-weight: 500; color: var(--text-strong); margin: 0; letter-spacing: -0.025em; line-height: 1; }
.h-hero { font-size: 76px; line-height: 0.96; letter-spacing: -0.028em; }
.h-section { font-size: 52px; line-height: 1.02; letter-spacing: -0.022em; }
.h-card { font-size: 22px; line-height: 1.2; letter-spacing: -0.015em; font-weight: 600; }
.section.dark .h-hero, .section.dark .h-section, .section.dark .h-card { color: #FEFEFE; }
.gradient-word {
  background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; font-weight: 600;
}

/* Body text */
.lead { font-family: 'Inter', sans-serif; font-size: 22px; line-height: 1.45; color: var(--text-default); letter-spacing: -0.01em; }
.body { font-family: 'Inter', sans-serif; font-size: 16px; line-height: 1.55; color: var(--text-default); }
.section.dark .lead, .section.dark .body { color: rgba(254,254,254,0.75); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-family: 'Poppins', sans-serif; font-weight: 500; font-size: 15px; letter-spacing: -0.01em; cursor: pointer; border: none; transition: opacity 150ms ease; }
.btn:hover { opacity: 0.92; }
.btn-primary { background: #0F172A; color: #FEFEFE; }
.btn-on-dark { background: #FEFEFE; color: #0F172A; }
.btn-ghost { background: transparent; color: var(--text-strong); border: 1px solid var(--stroke-soft); }

/* Pills */
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 8px 14px; border-radius: 999px; background: var(--bg-white); border: 1px solid var(--stroke-soft); font-family: 'Poppins', sans-serif; font-weight: 500; font-size: 12px; letter-spacing: 0.04em; color: var(--text-default); box-shadow: var(--shadow-xs); }
.pill.dark { background: rgba(254,254,254,0.08); border-color: rgba(254,254,254,0.15); color: #FEFEFE; }

/* Card */
.card { background: var(--bg-white); border: 1px solid var(--stroke-soft); border-radius: 20px; padding: 28px; box-shadow: var(--shadow-xs); }
.card.elevated { box-shadow: var(--shadow-lg); }

/* Top nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(254,254,254,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--stroke-soft); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 18px 32px; max-width: 1200px; margin: 0 auto; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { font-family: 'Inter', sans-serif; font-weight: 500; font-size: 14px; color: var(--text-default); padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: background 150ms ease; }
.nav-link:hover { background: var(--bg-sub); }
.nav-link.active { background: var(--bg-sub); color: var(--text-strong); font-weight: 600; }

/* Footer */
.footer { background: #0F172A; color: rgba(254,254,254,0.7); padding: 64px 0 32px; }
.footer h5 { color: #FEFEFE; font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 13px; letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 16px; }
.footer a { display: block; padding: 4px 0; font-size: 14px; color: rgba(254,254,254,0.7); transition: color 150ms ease; }
.footer a:hover { color: #FEFEFE; }

/* Utility */
.row { display: flex; align-items: center; gap: 12px; }
.stack-2 { display: flex; flex-direction: column; gap: 8px; }
.stack-3 { display: flex; flex-direction: column; gap: 12px; }
.stack-4 { display: flex; flex-direction: column; gap: 16px; }
.stack-6 { display: flex; flex-direction: column; gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* Hover anim for feature cards */
.feature-card { transition: transform 200ms ease, box-shadow 200ms ease; }
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Reset for hash links */
:target { scroll-margin-top: 80px; }

/* ─── Responsive layout helpers ─── */
.page-hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.feature-block-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 64px;
}
.demo-form-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}
.pricing-header-grid {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: 32px;
  align-items: end;
  margin-bottom: 40px;
}
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.two-col-grid-wide {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: center;
}
.trust-block-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.kontakt-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.matrix-scroll { overflow-x: auto; }
.hero-visual { position: relative; }

/* ─── Mobile nav ─── */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-strong);
  border-radius: 8px;
  align-items: center;
  justify-content: center;
}
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg-white);
  z-index: 100;
  flex-direction: column;
  overflow-y: auto;
}
.nav-mobile-overlay.open { display: flex; }
.nav-mobile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--stroke-soft);
}
.nav-mobile-links {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 4px;
  flex: 1;
}
.nav-mobile-link {
  display: block;
  padding: 14px 12px;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 17px;
  color: var(--text-default);
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  width: 100%;
}
.nav-mobile-link:hover, .nav-mobile-link.active { background: var(--bg-sub); color: var(--text-strong); }
.nav-mobile-footer {
  padding: 20px;
  border-top: 1px solid var(--stroke-soft);
}
.nav-mobile-footer .btn { width: 100%; justify-content: center; }

/* ─── Breakpoint: Tablet (≤768px) ─── */
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 72px 0; }
  .section.tight { padding: 48px 0; }

  .h-hero { font-size: 42px !important; letter-spacing: -0.022em; line-height: 1.06; }
  .h-section { font-size: 32px !important; letter-spacing: -0.018em; }
  .lead { font-size: 18px; }

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

  .page-hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .feature-block-grid { grid-template-columns: 1fr !important; gap: 32px; margin-bottom: 40px; }
  .demo-form-grid { grid-template-columns: 1fr; }
  .pricing-header-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .two-col-grid { grid-template-columns: 1fr; gap: 32px; }
  .two-col-grid-wide { grid-template-columns: 1fr; gap: 32px; }
  .trust-block-grid { grid-template-columns: 1fr; gap: 24px; }
  .kontakt-grid { grid-template-columns: 1fr; gap: 32px; }
  .kontakt-aside { position: static !important; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }

  .hero-visual { padding-bottom: 48px; }

  .nav-links { display: none; }
  .nav-inner > a.btn { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner { padding: 14px 20px; }
}

/* ─── Breakpoint: Mobile (≤480px) ─── */
@media (max-width: 480px) {
  .h-hero { font-size: 34px !important; }
  .h-section { font-size: 27px !important; }
  .lead { font-size: 16px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pricing-header-grid { margin-bottom: 24px; }
}

/* Form inputs */
input[type="text"], input[type="email"], input[type="tel"], textarea, select {
  width: 100%; box-sizing: border-box;
  padding: 12px 14px;
  background: var(--bg-white);
  border: 1px solid var(--stroke-soft);
  border-radius: 10px;
  font-family: 'Inter', sans-serif; font-size: 14px;
  color: var(--text-strong);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus, textarea:focus, select:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(51,92,255,0.15);
}
input::placeholder, textarea::placeholder {
  color: var(--text-soft); font-weight: 400;
}
textarea { resize: vertical; min-height: 100px; font-family: 'Inter', sans-serif; line-height: 1.5; }