/* Meyerbach IT-Systemhaus – Stylesheet */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f6f8;
  --color-primary: #0b2545;
  --color-primary-light: #13365f;
  --color-accent: #0ea5a4;
  --color-accent-dark: #0b7f7e;
  --color-text: #1f2933;
  --color-text-muted: #52606d;
  --color-border: #e2e8f0;
  --max-width: 1140px;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(11, 37, 69, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  color: var(--color-primary);
  line-height: 1.25;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }

p { margin-top: 0; }

a {
  color: var(--color-accent-dark);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 1.4rem;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }
.logo span {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.nav-toggle { display: none; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
  text-decoration: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle-label span {
  width: 26px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

@media (max-width: 780px) {
  .nav-toggle-label { display: flex; }

  .main-nav {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
  }
  .main-nav a {
    display: block;
    padding: 0.75rem 0;
  }
  .nav-toggle:checked ~ .main-nav {
    max-height: 400px;
  }
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 5rem 0;
}
.hero .container {
  max-width: 760px;
}
.hero h1 { color: #fff; }
.hero p {
  font-size: 1.15rem;
  color: #cfe0ee;
  margin-bottom: 2rem;
}

.page-hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 3.5rem 0;
}
.page-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.page-hero p { color: #cfe0ee; font-size: 1.05rem; margin: 0; max-width: 700px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: #052e2e;
}
.btn-primary:hover {
  background: var(--color-accent-dark);
  color: #fff;
  text-decoration: none;
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  border-color: #fff;
  text-decoration: none;
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-dark:hover {
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
}

/* ---------- Sections ---------- */
section { padding: 4.5rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-intro { max-width: 700px; margin: 0 auto 3rem; text-align: center; }
.section-intro p { color: var(--color-text-muted); font-size: 1.1rem; }
.eyebrow {
  display: inline-block;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

/* ---------- Grids & Cards ---------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 48px;
  height: 48px;
  color: var(--color-accent-dark);
  margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--color-text-muted); margin: 0; }
.card ul { color: var(--color-text-muted); padding-left: 1.1rem; margin: 0.75rem 0 0; }
.card ul li { margin-bottom: 0.4rem; }

.project-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  border-left: 4px solid var(--color-accent);
}
.project-card h4 {
  margin: 0 0 0.4rem;
  color: var(--color-primary);
  font-size: 1.05rem;
}
.project-card p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.97rem;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}
.badge-list li {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
}

.cert-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}
.cert-pill {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  background: #fff;
  text-align: center;
  min-width: 150px;
}
.cert-pill small {
  display: block;
  font-weight: 500;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  margin-top: 0.25rem;
}

/* ---------- USP list with icons ---------- */
.usp-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.usp-item .icon {
  flex: none;
  width: 40px;
  height: 40px;
  color: var(--color-accent-dark);
}
.usp-item h3 { margin-bottom: 0.25rem; font-size: 1.05rem; }
.usp-item p { color: var(--color-text-muted); margin: 0; font-size: 0.95rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 0.75rem; }
.cta-banner p { color: #cfe0ee; margin-bottom: 2rem; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}
@media (max-width: 780px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-info dt {
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1.25rem;
}
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd {
  margin: 0.15rem 0 0;
  color: var(--color-text-muted);
}
.placeholder {
  color: #b45309;
  background: #fffbeb;
  border: 1px dashed #f59e0b;
  padding: 0 0.35rem;
  border-radius: 4px;
  font-style: normal;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: #cfe0ee;
  padding: 3.5rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-grid h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
}
.footer-grid p, .footer-grid address { color: #a9c1d6; font-style: normal; margin: 0; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid ul li { margin-bottom: 0.6rem; }
.footer-grid a { color: #cfe0ee; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 1.5rem 0;
  font-size: 0.85rem;
  color: #a9c1d6;
}
.footer-bottom a { color: #a9c1d6; }

/* ---------- Legal pages ---------- */
.legal-content h2 { margin-top: 2.5rem; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { color: var(--color-text-muted); }
.legal-content { max-width: 800px; }