/* ==========================================================================
   REINWERK REINRAUM- UND ANLAGENTECHNIK - CLEAN BASIC STARTER WEBSITE
   ========================================================================== */

:root {
  --primary-navy: #0b3b60;
  --primary-dark: #07253d;
  --accent-red: #ba1c24;
  --slate-dark: #1e293b;
  --slate-text: #475569;
  --slate-light: #f8fafc;
  --slate-border: #e2e8f0;
  --white: #ffffff;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  color: var(--slate-dark);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

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

a {
  color: var(--primary-navy);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-red);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5 {
  color: var(--primary-dark);
  line-height: 1.3;
  margin-bottom: 12px;
}

/* Containers & Structure */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 60px 0;
}

.section-alt {
  background-color: var(--slate-light);
  border-top: 1px solid var(--slate-border);
  border-bottom: 1px solid var(--slate-border);
}

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

.section-header {
  margin-bottom: 40px;
}

.section-header h2 {
  font-size: 2rem;
}

.section-header p {
  color: var(--slate-text);
  font-size: 1.05rem;
  max-width: 680px;
  margin: 0 auto;
}

/* Top Bar */
.topbar {
  background-color: var(--primary-dark);
  color: #cbd5e1;
  font-size: 0.8125rem;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar a {
  color: #cbd5e1;
  margin-left: 16px;
}

.topbar a:hover {
  color: var(--white);
}

/* Header & Navigation */
.header {
  background-color: var(--white);
  border-bottom: 1px solid var(--slate-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--slate-dark);
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-red);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 10px 22px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary-navy);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  color: var(--white);
}

.btn-accent {
  background-color: var(--accent-red);
  color: var(--white);
}

.btn-accent:hover {
  background-color: #9e141b;
  color: var(--white);
}

.btn-outline {
  border-color: var(--primary-navy);
  color: var(--primary-navy);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--primary-navy);
  color: var(--white);
}

/* Mobile Toggle */
.mobile-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-dark);
}

/* Hero Section */
.hero {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 70px 0;
}

.hero-content {
  max-width: 760px;
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.15rem;
  color: #e2e8f0;
  margin-bottom: 28px;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 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: 20px;
}

/* Cards */
.card {
  background: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: 6px;
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  border-color: #cbd5e1;
}

.card-img {
  height: 180px;
  margin: -24px -24px 18px -24px;
  overflow: hidden;
  border-radius: 6px 6px 0 0;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--primary-navy);
}

.card-desc {
  font-size: 0.9375rem;
  color: var(--slate-text);
  margin-bottom: 14px;
}

.card-list {
  font-size: 0.875rem;
  color: var(--slate-text);
  margin-bottom: 16px;
}

.card-list li {
  margin-bottom: 6px;
  padding-left: 14px;
  position: relative;
}

.card-list li::before {
  content: "•";
  color: var(--accent-red);
  font-weight: bold;
  position: absolute;
  left: 0;
}

/* Forms */
.form-box {
  background: var(--white);
  border: 1px solid var(--slate-border);
  border-radius: 6px;
  padding: 32px;
  max-width: 680px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 18px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 6px;
  color: var(--slate-dark);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.9375rem;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary-navy);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

/* CTA Bar */
.cta-bar {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 40px 0;
  text-align: center;
}

.cta-bar h2 {
  color: var(--white);
  font-size: 1.75rem;
  margin-bottom: 10px;
}

.cta-bar p {
  color: #e2e8f0;
  margin-bottom: 20px;
  font-size: 1rem;
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: #94a3b8;
  padding: 40px 0 20px;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 30px;
  margin-bottom: 30px;
}

.footer h4 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 14px;
}

.footer-links li {
  margin-bottom: 8px;
}

.footer-links a {
  color: #94a3b8;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.8125rem;
}

/* Simple Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 14px 20px;
  background: var(--white);
  color: var(--slate-dark);
  border-left: 4px solid var(--primary-navy);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  font-size: 0.875rem;
  font-weight: 500;
  z-index: 2000;
  display: none;
}

.toast.show {
  display: block;
}

.toast-success {
  border-left-color: #16a34a;
}

.toast-error {
  border-left-color: var(--accent-red);
}

/* Responsive */
@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .mobile-btn {
    display: block;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--slate-border);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  }
  .nav-links.open {
    display: flex;
  }
  .grid-2,
  .grid-4,
  .form-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 {
    font-size: 1.875rem;
  }
}