/* ==========================================================================
   LinkedIn für Personalberater — Premium Design v2
   Inspired by: Notion, Popcorn.space, Diagram
   ========================================================================== */

/* Fonts */
@font-face {
  font-family: 'Tiempos Headline';
  src: url('/assets/fonts/tiempos-headline-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Soehne';
  src: url('/assets/fonts/soehne-buch.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Soehne';
  src: url('/assets/fonts/soehne-dreiviertelfett.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* Variables */
:root {
  --color-bg: #F7F7F5;
  --color-white: #FFFFFF;
  --color-navy: #01031B;
  --color-navy-light: #0a0c2e;
  --color-blue: #2563EB;
  --color-blue-dark: #1d4ed8;
  --color-blue-light: #3b82f6;
  --color-text: #1a1a1a;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-border: #E8E8E6;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-card: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.1);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --font-serif: 'Tiempos Headline', Georgia, serif;
  --font-sans: 'Soehne', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

::selection {
  background: var(--color-navy);
  color: var(--color-white);
}

/* Container */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: 720px;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 247, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: -0.01em;
}

nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

nav a {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--color-navy);
}

nav a.nav-cta {
  background: var(--color-blue);
  color: var(--color-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

nav a.nav-cta:hover {
  background: var(--color-blue-dark);
  color: var(--color-white);
}

/* Hero */
.hero {
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 6vw, 3.75rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
}

.hero h1 span {
  display: block;
}

.hero h1 .accent {
  color: var(--color-blue);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin: 0 auto var(--space-xl);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--color-blue-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-white);
  color: var(--color-navy);
  box-shadow: var(--shadow-card);
}

.btn-secondary:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* Stats Bar */
.stats-bar {
  padding: var(--space-xl) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.stat-card {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-blue);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Section */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title span {
  display: block;
}

/* Why LinkedIn Section */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.why-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.why-card h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.why-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Pillars Section */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.pillar-card {
  background: var(--color-white);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  display: block;
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.pillar-card:hover .pillar-arrow {
  transform: translateX(4px);
}

.pillar-number {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.pillar-card h3 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.pillar-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.pillar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-blue);
}

.pillar-arrow {
  transition: transform 0.2s ease;
}

/* CTA Section */
.cta-section {
  padding: var(--space-3xl) 0;
}

.cta-card {
  background: var(--color-blue);
  border-radius: var(--radius-lg);
  padding: var(--space-3xl) var(--space-2xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.cta-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.cta-content p {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--space-lg);
}

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

.cta-content .btn-primary:hover {
  background: #f0f0f0;
}

.cta-visual {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.cta-tag {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  font-size: 0.875rem;
}

/* Testimonial */
.testimonial-section {
  padding: var(--space-3xl) 0;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.4;
  margin-bottom: var(--space-lg);
}

.testimonial-author {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.testimonial-role {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Content Article */
.article-section {
  padding: var(--space-3xl) 0;
}

.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-2xl) var(--space-3xl);
  box-shadow: var(--shadow-card);
}

.article-card h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.article-card h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-navy);
  margin: var(--space-xl) 0 var(--space-sm);
}

.article-card h4 {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  margin: var(--space-lg) 0 var(--space-sm);
}

.article-card p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

.article-card ul, .article-card ol {
  margin: var(--space-md) 0;
  padding-left: var(--space-md);
  color: var(--color-text-secondary);
}

.article-card li {
  margin-bottom: var(--space-xs);
  line-height: 1.6;
}

.article-card blockquote {
  background: var(--color-bg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  margin: var(--space-md) 0;
}

.article-card blockquote p {
  margin: 0;
  color: var(--color-text);
  font-style: italic;
}

.article-card a {
  color: var(--color-navy);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-card a:hover {
  text-decoration: none;
}

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

/* FAQ */
.faq-grid {
  display: grid;
  gap: var(--space-sm);
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.faq-item h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.faq-item p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* Newsletter */
.newsletter-section {
  padding: var(--space-3xl) 0;
}

.newsletter-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-card);
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}

.newsletter-card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.newsletter-card > p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
}

.newsletter-form input {
  flex: 1;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s ease;
}

.newsletter-form input:focus {
  border-color: var(--color-navy);
}

.newsletter-form button {
  padding: 0.875rem 1.5rem;
  background: var(--color-blue);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease;
}

.newsletter-form button:hover {
  background: var(--color-blue-dark);
}

.newsletter-note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* Author */
.author-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  max-width: 540px;
  margin: var(--space-2xl) auto 0;
}

.author-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.author-card h4 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-xs);
}

.author-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.author-card a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-navy);
  text-decoration: none;
}

.author-card a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-brand a {
  color: var(--color-navy);
  text-decoration: none;
}

.footer-brand a:hover {
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-decoration: none;
}

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

.footer-copy {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-right: -8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-navy);
  margin: 5px 0;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
  }
  
  nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  nav a {
    font-size: 1.125rem;
    padding: var(--space-sm) 0;
  }
  
  nav a.nav-cta {
    text-align: center;
    margin-top: var(--space-sm);
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .why-grid {
    grid-template-columns: 1fr;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-card {
    grid-template-columns: 1fr;
    text-align: center;
    padding: var(--space-2xl);
  }
  
  .cta-visual {
    display: none;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  footer .container {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
  
  .footer-links {
    order: -1;
  }
}