/* ============================================================
   proseco software GmbH – Website Styles
   Modern B2B SaaS look, deutsch
   ============================================================ */

:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f7f9fc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-soft: #64748b;

  --color-primary: #FFC300;     /* proseco logo yellow */
  --color-primary-700: #E0AC00; /* slightly darker yellow (hover) */
  --color-primary-600: #8C6B00; /* deep amber – for text/icons that must be readable on white */
  --color-primary-50: #FFF6D6;  /* very pale yellow background */

  --color-accent: #1F2937;      /* dark charcoal (contrast / dark sections) */
  --color-accent-600: #374151;  /* mid charcoal */
  --color-accent-50: #F3F4F6;   /* very pale slate */

  --color-success: #10b981;
  --color-warning: #f59e0b;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --container: 1200px;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* Inline links inside prose get a yellow underline */
.prose a, p a {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}
.nav-links a, .logo, .site-footer a, .btn { text-decoration: none; }

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2rem, 4vw + 1rem, 3.5rem); }
h2 { font-size: clamp(1.75rem, 2vw + 1rem, 2.5rem); }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin: 0 0 1em; color: var(--color-text-muted); }

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

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.logo:hover { color: var(--color-text); }

.logo-mark {
  width: 36px;
  height: 40px;
  display: block;
  flex-shrink: 0;
}
.site-footer .logo-mark { width: 32px; height: 36px; }

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

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 8px 0;
  position: relative;
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.active {
  color: var(--color-text);
}
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  padding: 8px;
  cursor: pointer;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-primary-700);
  color: var(--color-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 12px 8px;
}
.btn-ghost:hover { color: var(--color-text); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 80px 0 100px;
  background: var(--color-bg-soft);
  border-bottom: 4px solid var(--color-primary);
  overflow: hidden;
}

.hero-inner {
  max-width: 880px;
}

.hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.hero .eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(245, 184, 0, 0.22);
}

.hero h1 {
  margin-bottom: 20px;
}
.hero h1 .grad {
  color: inherit;
}

.hero .lead {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  max-width: 700px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 96px 0;
}
.section-tight { padding: 64px 0; }
.section-alt { background: var(--color-bg-soft); }

.section-head {
  max-width: 720px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head .eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}

.section-head h2 { margin-bottom: 16px; }
.section-head p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

/* ============================================================
   CARDS / GRIDS
   ============================================================ */
.grid {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.2s ease;
}
.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-accent);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }

.card-icon.accent { background: var(--color-accent); color: var(--color-primary); }

.card h3 { margin-bottom: 8px; font-size: 1.2rem; }
.card p { margin: 0; font-size: 0.975rem; }

.card-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
}
.card-feature:last-child { border-bottom: 0; }
.card-feature .check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  display: grid;
  place-items: center;
  margin-top: 2px;
}
.card-feature .check svg { width: 14px; height: 14px; }

/* ============================================================
   STATS / KPI
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  padding: 40px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat .value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 6px;
}
.stat .label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ============================================================
   MODULE GRID (Cloud-Plattform)
   ============================================================ */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.module {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.15s ease;
}
.module:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-50);
}
.module .module-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.module .module-icon svg { width: 18px; height: 18px; }
.module .module-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
}

/* ============================================================
   INDUSTRY PILLS
   ============================================================ */
.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.pill {
  padding: 10px 18px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all 0.15s ease;
}
.pill:hover {
  border-color: var(--color-primary);
  color: var(--color-accent);
  background: var(--color-primary-50);
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 96px 0;
  background: var(--color-accent);
  color: white;
  text-align: center;
  border-top: 4px solid var(--color-primary);
}
.cta-section h2 { color: white; margin-bottom: 16px; }
.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto 32px;
}
.cta-section .btn-primary {
  background: var(--color-primary);
  color: var(--color-accent);
}
.cta-section .btn-primary:hover {
  background: var(--color-primary-700);
  color: var(--color-accent);
}
.cta-section .btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.4);
}
.cta-section .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border-color: white;
}

/* ============================================================
   SPLIT (text + visual)
   ============================================================ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split.reverse { direction: rtl; }
.split.reverse > * { direction: ltr; }

.split-visual {
  background: var(--color-primary-50);
  border-radius: var(--radius-xl);
  padding: 48px 40px 64px;
  border: 1px solid var(--color-border);
  min-height: 360px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.split-visual svg {
  width: 100%;
  height: auto;
  max-width: 420px;
}

/* ============================================================
   FORM
   ============================================================ */
.form {
  display: grid;
  gap: 18px;
  max-width: 560px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}
.form input, .form textarea, .form select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  background: white;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 195, 0, 0.25);
}
.form textarea { min-height: 140px; resize: vertical; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #111827;
  color: #cbd5e1;
  padding: 64px 0 32px;
}
.site-footer h4 {
  color: white;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.site-footer p { color: #94a3b8; font-size: 0.9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { color: #94a3b8; font-size: 0.9rem; }
.site-footer a:hover { color: white; }

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============================================================
   PAGE HERO (sub pages)
   ============================================================ */
.page-hero {
  padding: 72px 0 56px;
  background: var(--color-bg-soft);
  border-bottom: 4px solid var(--color-primary);
}
.page-hero .eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}
.page-hero h1 { font-size: clamp(2rem, 3vw + 1rem, 3rem); margin-bottom: 16px; }
.page-hero p { font-size: 1.15rem; max-width: 700px; }

/* ============================================================
   PROSE (Über uns, Impressum)
   ============================================================ */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { margin-top: 2.5em; }
.prose h3 { margin-top: 2em; }
.prose ul { padding-left: 1.5em; color: var(--color-text-muted); }
.prose li { margin-bottom: 0.5em; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   RESPONSIVE — Tablet (≤ 860px)
   ============================================================ */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open a { padding: 12px 0; font-size: 1rem; }
  .nav-links.open a.active::after { display: none; }

  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.reverse { direction: ltr; }
  .split-visual { padding: 32px 24px 40px; min-height: auto; }

  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }

  .section { padding: 64px 0; }
  .section-tight { padding: 48px 0; }
  .section-head { margin-bottom: 40px; }
  .hero { padding: 48px 0 64px; }
  .page-hero { padding: 56px 0 48px; }
  .cta-section { padding: 72px 0; }

  .stats { padding: 28px; gap: 20px; }
  .stat .value { font-size: 2rem; }

  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1 1 auto; }
}

/* ============================================================
   RESPONSIVE — Phone (≤ 520px)
   ============================================================ */
@media (max-width: 520px) {
  :root { --container: 100%; }

  body { font-size: 15px; }

  .container { padding: 0 16px; }
  .nav { height: 64px; padding: 0 16px; }
  .nav-links.open { top: 64px; padding: 12px 16px 20px; }
  .site-header .logo-text { font-size: 1.1rem; }

  /* Hide secondary nav button on very small screens, keep only the menu toggle */
  .nav > .btn { display: none; }
  .nav-toggle { padding: 6px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-footer { padding: 48px 0 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }

  .section { padding: 48px 0; }
  .section-tight { padding: 32px 0; }
  .section-head { margin-bottom: 32px; }

  .hero { padding: 32px 0 48px; }
  .hero h1 { font-size: clamp(1.75rem, 7.5vw, 2.25rem); }
  .hero .lead { font-size: 1rem; }
  .hero .eyebrow { font-size: 0.78rem; padding: 5px 12px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .page-hero { padding: 36px 0 36px; }
  .page-hero h1 { font-size: clamp(1.6rem, 7vw, 2rem); }
  .page-hero p { font-size: 1rem; }

  .cta-section { padding: 56px 0; }
  .cta-section h2 { font-size: 1.6rem; }
  .cta-section p { font-size: 1rem; }

  .stats { padding: 20px; gap: 16px; grid-template-columns: repeat(2, 1fr); }
  .stat .value { font-size: 1.6rem; }
  .stat .label { font-size: 0.82rem; }

  .card { padding: 22px; }
  .card-icon { width: 44px; height: 44px; margin-bottom: 14px; }
  .card-icon svg { width: 22px; height: 22px; }

  .grid { gap: 16px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }

  .module-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .module { padding: 12px 14px; gap: 10px; }
  .module .module-name { font-size: 0.88rem; }
  .module .module-icon { width: 28px; height: 28px; }
  .module .module-icon svg { width: 15px; height: 15px; }

  .pills { gap: 8px; }
  .pill { padding: 8px 14px; font-size: 0.85rem; }

  .split-visual { padding: 24px 16px 32px; border-radius: var(--radius-lg); }

  .form { gap: 14px; }
  .form input, .form textarea, .form select { padding: 11px 12px; font-size: 0.95rem; }

  .btn { padding: 11px 18px; font-size: 0.9rem; }

  h2 { font-size: clamp(1.4rem, 6vw, 1.8rem); }
  h3 { font-size: 1.15rem; }

  .prose h2 { margin-top: 1.8em; }
  .prose h3 { margin-top: 1.4em; }
}