/* B&B Consulting UG — Corporate Classic */

:root {
  --color-primary: #1a2744;
  --color-primary-dark: #0f1829;
  --color-accent: #8b7355;
  --color-accent-light: #a89070;
  --color-text: #2c2c2c;
  --color-text-muted: #5a5a5a;
  --color-bg: #faf9f7;
  --color-bg-alt: #f0eeea;
  --color-white: #ffffff;
  --color-border: #d4d0c8;
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --line-height: 1.8;
  --max-width: 1200px;
  --max-width-narrow: 780px;
  --header-height: auto;
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.3;
  color: var(--color-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Layout utilities */

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

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: 4rem 0;
}

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

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

.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-white);
}

.section--dark p,
.section--dark li {
  color: rgba(255, 255, 255, 0.9);
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__header h2 {
  margin-bottom: 0.75rem;
}

.section__header p {
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Fade-in animation */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Header & Navigation */

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

.site-header__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 1.5rem 0;
}

.site-header__logo {
  margin-bottom: 1rem;
}

.site-header__logo img {
  height: 36px;
  width: auto;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1.75rem;
  padding: 0;
  margin: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.75rem 0;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: 0.5rem;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--transition);
}

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

.site-nav a:hover::after,
.site-nav a.is-active::after {
  width: 100%;
}

.site-nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 0.5rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

/* Hero */

.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15, 24, 41, 0.72),
    rgba(15, 24, 41, 0.55)
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem;
  max-width: 800px;
}

.hero__content h1 {
  color: var(--color-white);
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.hero__subtitle {
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.15rem;
  margin-bottom: 2rem;
  line-height: var(--line-height);
}

.hero--page {
  min-height: 320px;
}

.hero--page h1 {
  font-size: 2.25rem;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
}

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

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

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid var(--color-white);
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

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

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Prose intro */

.prose-intro {
  padding: 4rem 0;
  text-align: center;
}

.prose-intro p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

/* Alternating blocks */

.alt-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
}

.alt-block__image {
  background-size: cover;
  background-position: center;
  min-height: 300px;
}

.alt-block__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem;
  background-color: var(--color-white);
}

.alt-block__content h2 {
  margin-bottom: 1rem;
}

.alt-block__content p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.alt-block--reverse .alt-block__image {
  order: 2;
}

.alt-block--reverse .alt-block__content {
  order: 1;
}

/* Timeline */

.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
  padding-left: 2rem;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
  padding-left: 1.5rem;
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  background-color: var(--color-accent);
  transform: translateX(-5px);
}

.timeline__year {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.timeline__title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.timeline__text {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Testimonial */

.testimonial {
  text-align: center;
  padding: 5rem 1.5rem;
  background-color: var(--color-bg-alt);
}

.testimonial__quote {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-style: italic;
  color: var(--color-primary);
  max-width: 800px;
  margin: 0 auto 1.5rem;
  line-height: 1.5;
}

.testimonial__author {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.testimonial__author strong {
  color: var(--color-text);
  font-weight: 600;
}

/* CTA band */

.cta-band {
  text-align: center;
  padding: 4rem 1.5rem;
}

.cta-band h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 560px;
  margin: 0 auto 2rem;
}

/* Stats */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item__number {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  color: var(--color-accent);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.stat-item__label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Service cards */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 2rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(26, 39, 68, 0.08);
}

.service-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.service-card__link {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
}

.service-card__link:hover {
  color: var(--color-primary);
}

/* Process steps */

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}

.process-step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.process-step__number {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.process-step h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Target audience */

.audience-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.audience-item {
  padding: 2rem;
  background-color: var(--color-white);
  border-left: 3px solid var(--color-accent);
}

.audience-item h3 {
  margin-bottom: 0.75rem;
}

.audience-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* FAQ accordion */

.faq-list {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
  padding: 1.25rem 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-sans);
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition);
}

.faq-item[open] summary::after {
  content: "\2212";
}

.faq-item__answer {
  padding: 0 0 1.25rem;
  color: var(--color-text-muted);
}

/* Page content */

.page-content {
  padding: 3rem 0 4rem;
}

.page-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.page-content ul,
.page-content ol {
  color: var(--color-text-muted);
}

.breadcrumbs {
  padding: 1rem 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-text-muted);
}

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

.breadcrumbs span {
  margin: 0 0.5rem;
}

/* Benefits list */

.benefits-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.benefits-list li {
  padding: 0.75rem 0 0.75rem 1.75rem;
  position: relative;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.benefits-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
}

/* Case studies */

.case-studies {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.case-study {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}

.case-study:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.case-study__meta {
  padding-top: 0.5rem;
}

.case-study__industry {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.case-study h3 {
  margin-bottom: 1rem;
}

.case-study__section {
  margin-bottom: 1rem;
}

.case-study__section strong {
  display: block;
  color: var(--color-primary);
  font-family: var(--font-serif);
  margin-bottom: 0.25rem;
}

.case-study__section p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Job listings */

.job-listing {
  border: 1px solid var(--color-border);
  padding: 2rem;
  margin-bottom: 1.5rem;
  background-color: var(--color-white);
}

.job-listing h3 {
  margin-bottom: 0.5rem;
}

.job-listing__meta {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.job-listing p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

/* Contact */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
}

.contact-info h2 {
  margin-bottom: 1.5rem;
}

.contact-info__item {
  margin-bottom: 1.5rem;
}

.contact-info__item strong {
  display: block;
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact-info__item p {
  color: var(--color-text-muted);
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin-bottom: 1.25rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.form-consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.form-consent input {
  width: auto;
  margin: 0.35rem 0 0;
  flex-shrink: 0;
}

.form-consent label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.form-success {
  background-color: #e8f5e9;
  border: 1px solid #a5d6a7;
  padding: 1.25rem;
  margin-bottom: 2rem;
  color: #2e7d32;
}

/* Blog / News */

.article-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.article-preview {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.article-preview:last-child {
  border-bottom: none;
}

.article-preview__image {
  background-size: cover;
  background-position: center;
  min-height: 180px;
}

.article-preview__date {
  font-size: 0.85rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.article-preview h2 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-preview h2 a {
  color: var(--color-primary);
}

.article-preview h2 a:hover {
  color: var(--color-accent);
}

.article-preview p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.article-content p {
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.article-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Values grid */

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

.value-card {
  padding: 2rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
}

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

.value-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Team section */

.team-overview {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: center;
}

.team-overview__image {
  background-size: cover;
  background-position: center;
  min-height: 360px;
}

.team-overview__text p {
  color: var(--color-text-muted);
}

/* Legal pages */

.legal-content h1 {
  margin-bottom: 2rem;
}

.legal-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.legal-content h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.15rem;
}

.legal-content p,
.legal-content li {
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.75);
}

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

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.site-footer__brand h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.site-footer__brand p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.site-footer__nav h4 {
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.site-footer__nav ul {
  list-style: none;
  padding: 0;
}

.site-footer__nav li {
  margin-bottom: 0.5rem;
}

.site-footer__nav a {
  font-size: 0.9rem;
}

.site-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

.site-footer__legal {
  display: flex;
  gap: 1.5rem;
}

/* Cookie banner */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  padding: 1.25rem 1.5rem;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-banner__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.cookie-banner p {
  flex: 1;
  min-width: 280px;
  font-size: 0.9rem;
  margin: 0;
}

.cookie-banner p a {
  color: var(--color-accent-light);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
}

.cookie-banner .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .alt-block {
    grid-template-columns: 1fr;
  }

  .alt-block__image {
    min-height: 250px;
  }

  .alt-block--reverse .alt-block__image {
    order: 0;
  }

  .alt-block--reverse .alt-block__content {
    order: 0;
  }

  .case-study {
    grid-template-columns: 1fr;
  }

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

  .team-overview {
    grid-template-columns: 1fr;
  }

  .article-preview {
    grid-template-columns: 1fr;
  }

  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.65rem; }

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

  .hero {
    min-height: 420px;
  }

  .site-nav__toggle {
    display: block;
  }

  .site-nav {
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .site-nav.is-open {
    max-height: 500px;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: center;
    padding-bottom: 1rem;
  }

  .stats-grid,
  .services-grid,
  .process-steps,
  .audience-list,
  .values-grid {
    grid-template-columns: 1fr;
  }

  .testimonial__quote {
    font-size: 1.35rem;
  }

  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-footer__bottom {
    flex-direction: column;
    text-align: center;
  }

  .site-footer__legal {
    justify-content: center;
  }

  .cookie-banner__inner {
    flex-direction: column;
    text-align: center;
  }
}