/* ==========================================================================
   CleanTeam Dortmund — gemeinsames Stylesheet
   ========================================================================== */

:root {
  --color-primary: #0f62c9;
  --color-primary-dark: #0a4a9c;
  --color-accent: #1fa971;
  --color-text: #1e2530;
  --color-text-muted: #5b6472;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-border: #e2e8f0;
  --max-width: 1120px;
  --radius: 10px;
  --shadow: 0 4px 18px rgba(15, 30, 60, 0.08);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul {
  padding-left: 1.2rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- Header / Navigation ---- */

.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;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 20px;
  margin: 0 auto;
  background: var(--color-text);
}

.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.active,
.main-nav a:hover {
  color: var(--color-primary);
}

.nav-cta {
  background: var(--color-primary);
  color: #fff !important;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

/* ---- Buttons ---- */

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  border-color: #fff;
  color: #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border);
  text-decoration: none;
}

/* ---- Hero ---- */

.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  padding: 5rem 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.hero-panel ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.hero-panel li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.hero-panel li::before {
  content: "\2713";
  color: var(--color-accent);
  font-weight: 700;
}

/* ---- Sections ---- */

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
}

.section-header h2 {
  font-size: 2rem;
  margin: 0.4rem 0 0.6rem;
}

.section-header p {
  color: var(--color-text-muted);
}

/* ---- Cards / grids ---- */

.grid {
  display: grid;
  gap: 1.75rem;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0.75rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--color-text-muted);
  margin: 0;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

/* ---- Blog ---- */

.blog-list {
  display: grid;
  gap: 1.75rem;
}

.blog-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: grid;
  gap: 0.5rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.blog-card h3 {
  margin: 0;
}

.blog-card p {
  color: var(--color-text-muted);
  margin: 0;
}

article.post {
  max-width: 760px;
  margin: 0 auto;
}

article.post h1 {
  margin-bottom: 0.3rem;
}

article.post .blog-meta {
  margin-bottom: 2rem;
}

article.post h2 {
  margin-top: 2.2rem;
}

article.post p {
  color: var(--color-text);
}

.post-nav {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* ---- Contact ---- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info .card {
  margin-bottom: 1.25rem;
}

form.contact-form {
  display: grid;
  gap: 1rem;
}

form.contact-form label {
  font-weight: 600;
  font-size: 0.9rem;
  display: block;
  margin-bottom: 0.35rem;
}

form.contact-form input,
form.contact-form textarea,
form.contact-form select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font: inherit;
  color: var(--color-text);
  background: var(--color-bg);
}

form.contact-form input:focus,
form.contact-form textarea:focus,
form.contact-form select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.form-status {
  min-height: 1.5rem;
  font-weight: 600;
}

.form-status.success {
  color: var(--color-accent);
}

.form-status.error {
  color: #d64545;
}

/* ---- CTA band ---- */

.cta-band {
  background: var(--color-text);
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}

.cta-band h2 {
  margin-top: 0;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.75rem;
}

/* ---- Footer ---- */

.site-footer {
  background: #111826;
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer-grid h4 {
  color: #fff;
  margin-top: 0;
  margin-bottom: 0.9rem;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-grid a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.25rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

/* ---- Utility ---- */

.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.badge {
  display: inline-block;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
}

/* ---- Responsive ---- */

@media (max-width: 880px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    width: 100%;
  }

  .main-nav.open {
    display: block;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .main-nav li {
    border-top: 1px solid var(--color-border);
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0.25rem;
  }

  .nav-cta {
    display: inline-block;
    margin: 0.85rem 0.25rem;
  }

  .hero {
    padding: 3rem 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
  }
}