/* M&M Softwareentwicklung – Stylesheet */

:root {
  --color-primary: #0f2c4c;
  --color-primary-light: #17466f;
  --color-accent: #e08a1e;
  --color-accent-dark: #c4740f;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-text: #223140;
  --color-text-light: #55697a;
  --color-border: #e1e8ee;
  --max-width: 1140px;
  --radius: 8px;
  --shadow: 0 4px 16px rgba(15, 44, 76, 0.08);
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

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

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;
}

h1, h2, h3, h4 { color: var(--color-primary); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1rem; }

.section { padding: 4rem 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; margin-bottom: 2.5rem; }
.section-kicker {
  display: inline-block;
  color: var(--color-accent-dark);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(6px);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; }
.brand img { height: 40px; width: auto; }
.brand-text { font-weight: 700; color: var(--color-primary); font-size: 1.05rem; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-text);
  font-weight: 500;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-accent-dark);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.6rem;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 4.5rem 0;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
}
.hero-kicker {
  color: #f3c98a;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  display: block;
}
.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero p { color: #d7e2ec; font-size: 1.1rem; max-width: 42ch; }
.hero-actions { display: flex; gap: 1rem; margin-top: 1.5rem; flex-wrap: wrap; }
.hero-photo img {
  border-radius: var(--radius);
  box-shadow: 0 12px 32px rgba(0,0,0,0.35);
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--color-accent);
  color: #1a1305;
}
.btn-primary:hover { background: var(--color-accent-dark); text-decoration: none; color: #fff; transform: translateY(-1px); }
.btn-outline {
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); text-decoration: none; }

/* About */
.about .container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 3rem;
  align-items: center;
}
.about-photo img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

/* Services / Leistungen */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.75rem;
}
.service-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.service-card img {
  height: 56px;
  width: auto;
  margin-bottom: 1rem;
  object-fit: contain;
}
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { color: var(--color-text-light); margin-bottom: 0; }

/* Chronik teaser */
.chronik-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.chronik-teaser img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}

/* Timeline (chronik page) */
.timeline { border-left: 3px solid var(--color-accent); padding-left: 1.75rem; max-width: 70ch; list-style: none; margin: 0; }
.timeline-item { margin-bottom: 2.5rem; position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -2.28rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
}
.timeline-item h3 { margin-bottom: 0.5rem; }
.timeline-item time { display: block; color: var(--color-accent-dark); font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }

/* Referenzen */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.ref-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.ref-card h3 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.ref-card p { color: var(--color-text-light); margin-bottom: 0; font-size: 0.95rem; }
.ref-card.featured { grid-column: span 2; display: flex; align-items: center; gap: 1.25rem; }
.ref-card.featured img { height: 40px; width: auto; }

/* Kontakt */
.contact-block { max-width: 46ch; }
.contact-block h3 { margin-bottom: 0.5rem; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { margin-bottom: 0.6rem; }
.contact-list .label { color: var(--color-text-light); font-size: 0.85rem; display: block; }

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #cfdcea;
  padding: 3rem 0 1.5rem;
  margin-top: 3rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}
.site-footer h4 { color: #fff; font-size: 1rem; margin-bottom: 0.75rem; }
.site-footer a { color: #cfdcea; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Legal pages */
.legal-page .container { max-width: 820px; }
.legal-page h2 { margin-top: 2.5rem; }
.legal-page .lead { color: var(--color-text-light); }
.todo-note {
  background: #fff4e0;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  font-size: 0.9rem;
  margin: 1rem 0;
}
.todo-note strong { color: var(--color-accent-dark); }

/* Breadcrumb */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-text-light);
  padding: 1rem 0 0;
}

/* Responsive */
@media (max-width: 860px) {
  .hero .container,
  .about .container,
  .chronik-teaser {
    grid-template-columns: 1fr;
  }
  .hero-photo { order: -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .ref-card.featured { grid-column: span 1; }
}

@media (max-width: 720px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; }
  .site-header.nav-open .main-nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
  }
  .site-header.nav-open .main-nav ul {
    flex-direction: column;
    gap: 1rem;
  }
}