/* ============================================
   BewertungsPlattform – Professional Stylesheet
   ============================================ */

:root {
  --color-primary: #0f172a;
  --color-secondary: #1e293b;
  --color-accent: #2563eb;
  --color-accent-dark: #1d4ed8;
  --color-accent-light: #3b82f6;
  --color-purple: #7c3aed;
  --color-purple-dark: #6d28d9;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-star: #f59e0b;
  --color-verified: #10b981;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 4px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.06);
  --shadow-xl: 0 24px 60px rgba(0,0,0,.12);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: .2s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:80px; }
body {
  font-family:var(--font);
  background:var(--color-bg);
  color:var(--color-text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
button { font:inherit; cursor:pointer; border:none; background:none; }
input { font:inherit; border:none; outline:none; }

.container { max-width:1200px; margin:0 auto; padding:0 24px; }

/* ========================================
   Header / Navigation
   ======================================== */
.header {
  position:fixed; top:0; left:0; right:0;
  background:rgba(255,255,255,.8);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--color-border);
  z-index:1000;
  height:72px;
}
.header-inner {
  display:flex; align-items:center; justify-content:space-between;
  height:100%;
}
.logo {
  display:flex; align-items:center; gap:10px;
  font-size:20px; font-weight:700; color:var(--color-text);
}
.logo-icon { width:32px; height:32px; flex-shrink:0; }
.logo-highlight { color:var(--color-accent); }

.nav { display:flex; gap:32px; }
.nav-link {
  font-size:15px; font-weight:500; color:var(--color-text-secondary);
  position:relative; padding:4px 0; transition:var(--transition);
}
.nav-link::after {
  content:''; position:absolute; bottom:-2px; left:0;
  width:0; height:2px; background:var(--color-accent);
  border-radius:2px; transition:var(--transition);
}
.nav-link:hover, .nav-link.active { color:var(--color-accent); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

.menu-toggle {
  display:none; flex-direction:column; gap:5px;
  padding:8px; cursor:pointer;
}
.menu-toggle span {
  display:block; width:24px; height:2px;
  background:var(--color-text); border-radius:2px;
  transition:var(--transition);
}

/* ========================================
   Hero
   ======================================== */
.hero {
  position:relative; padding:140px 0 80px;
  overflow:hidden;
}
.hero-bg {
  position:absolute; inset:0;
  background:linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #1e3a5f 100%);
  z-index:0;
}
.hero-bg::before {
  content:''; position:absolute;
  top:-50%; right:-20%;
  width:700px; height:700px;
  background:radial-gradient(circle, rgba(37,99,235,.15) 0%, transparent 70%);
  border-radius:50%;
}
.hero-bg::after {
  content:''; position:absolute;
  bottom:-30%; left:-10%;
  width:500px; height:500px;
  background:radial-gradient(circle, rgba(124,58,237,.1) 0%, transparent 70%);
  border-radius:50%;
}
.hero-inner {
  position:relative; z-index:1;
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:6px;
  font-size:13px; font-weight:600; color:var(--color-accent-light);
  background:rgba(59,130,246,.1);
  border:1px solid rgba(59,130,246,.2);
  padding:6px 14px; border-radius:100px;
  margin-bottom:20px;
}
.hero-title {
  font-size:52px; font-weight:800; line-height:1.15;
  color:#fff; margin-bottom:20px; letter-spacing:-.02em;
}
.text-gradient {
  background:linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}
.hero-subtitle {
  font-size:18px; color:rgba(255,255,255,.65);
  max-width:520px; line-height:1.7; margin-bottom:32px;
}
.hero-search {
  position:relative; max-width:480px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);
  padding:4px 16px 4px 44px;
  transition:var(--transition);
  backdrop-filter:blur(8px);
}
.hero-search:focus-within {
  border-color:rgba(59,130,246,.5);
  background:rgba(255,255,255,.12);
  box-shadow:0 0 0 4px rgba(59,130,246,.1);
}
.search-icon {
  position:absolute; left:14px; top:50%; transform:translateY(-50%);
  color:rgba(255,255,255,.4);
}
.search-input {
  width:100%; height:48px;
  background:transparent; color:#fff;
  font-size:15px;
}
.search-input::placeholder { color:rgba(255,255,255,.35); }
.hero-tags {
  display:flex; flex-wrap:wrap; gap:8px; margin-top:20px;
}
.hero-tag {
  font-size:13px; color:rgba(255,255,255,.5);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  padding:5px 12px; border-radius:100px;
  cursor:pointer; transition:var(--transition);
}
.hero-tag:hover {
  color:#fff; background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.15);
}

.hero-visual { position:relative; }
.hero-card {
  background:rgba(255,255,255,.05);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  padding:24px;
  color:#fff;
  transition:var(--transition);
}
.hero-card-1 { margin-bottom:16px; }
.hero-card-stars { color:var(--color-star); font-size:18px; margin-bottom:12px; letter-spacing:2px; }
.hero-card-text { font-size:15px; line-height:1.7; color:rgba(255,255,255,.8); }
.hero-card-author { font-size:13px; color:rgba(255,255,255,.45); margin-top:8px; }

/* ========================================
   Stats
   ======================================== */
.stats {
  background:var(--color-surface);
  border-bottom:1px solid var(--color-border);
}
.stats-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:32px;
  padding:40px 0;
}
.stat-item { text-align:center; }
.stat-number {
  display:block;
  font-size:36px; font-weight:800;
  background:linear-gradient(135deg, var(--color-accent), var(--color-purple));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.2;
}
.stat-label { font-size:14px; color:var(--color-text-secondary); font-weight:500; }

/* ========================================
   Sections
   ======================================== */
.section { padding:100px 0; }
.section-dark {
  background:var(--color-primary);
  position:relative;
}
.section-dark::before {
  content:''; position:absolute;
  top:0; left:0; right:0; height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.08), transparent);
}
.section-header {
  text-align:center; max-width:640px; margin:0 auto 48px;
}
.section-badge {
  display:inline-flex; align-items:center;
  font-size:13px; font-weight:600; color:var(--color-accent);
  background:rgba(37,99,235,.08);
  border:1px solid rgba(37,99,235,.15);
  padding:5px 14px; border-radius:100px;
  margin-bottom:16px;
}
.section-badge-light {
  color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.1);
}
.section-title {
  font-size:36px; font-weight:800; text-align:center;
  letter-spacing:-.02em; line-height:1.25;
  margin-bottom:12px;
}
.section-title-light { color:#fff; }
.section-subtitle {
  font-size:16px; color:var(--color-text-secondary);
  line-height:1.7;
}
.section-subtitle-light { color:rgba(255,255,255,.55); }

/* ========================================
   Filter Tabs
   ======================================== */
.filter-tabs {
  display:flex; flex-wrap:wrap; justify-content:center; gap:8px;
  margin-bottom:40px;
}
.filter-tab {
  font-size:14px; font-weight:500;
  padding:8px 20px; border-radius:100px;
  background:var(--color-bg-alt);
  color:var(--color-text-secondary);
  border:1px solid transparent;
  transition:var(--transition);
}
.filter-tab:hover { color:var(--color-accent); background:rgba(37,99,235,.06); }
.filter-tab.active {
  color:#fff; background:var(--color-accent); border-color:var(--color-accent);
  box-shadow:0 4px 12px rgba(37,99,235,.25);
}

/* ========================================
   Platform Cards
   ======================================== */
.platforms-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
}
.platform-card {
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  padding:24px;
  cursor:pointer;
  transition:var(--transition);
}
.platform-card:hover {
  border-color:var(--color-accent);
  box-shadow:var(--shadow-md);
  transform:translateY(-2px);
}
.platform-card-header {
  display:flex; align-items:center; gap:14px;
  margin-bottom:16px;
}
.platform-card-icon {
  width:48px; height:48px; border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:20px; font-weight:700; color:#fff;
  flex-shrink:0;
}
.platform-card-name { font-size:16px; font-weight:700; }
.platform-card-category { font-size:12px; color:var(--color-text-muted); font-weight:500; text-transform:uppercase; letter-spacing:.05em; }
.platform-card-rating {
  display:flex; align-items:center; gap:8px;
  margin-bottom:8px;
}
.platform-card-stars { color:var(--color-star); font-size:14px; letter-spacing:1px; }
.platform-card-score {
  font-size:20px; font-weight:800; color:var(--color-text);
}
.platform-card-count {
  font-size:13px; color:var(--color-text-muted);
}
.platform-card-bar {
  height:4px; background:var(--color-bg-alt); border-radius:4px;
  margin-top:12px; overflow:hidden; position:relative;
}
.platform-card-bar-fill {
  height:100%; border-radius:4px;
  transition:width 1s cubic-bezier(.4,0,.2,1);
}

/* ========================================
   Review Cards
   ======================================== */
.reviews-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:24px;
}
.review-card {
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);
  padding:28px;
  color:#fff;
  transition:var(--transition);
}
.review-card:hover {
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  transform:translateY(-2px);
}
.review-card-top {
  display:flex; align-items:flex-start; justify-content:space-between;
  margin-bottom:16px;
}
.review-card-platform {
  display:flex; align-items:center; gap:10px;
}
.review-card-platform-icon {
  width:36px; height:36px; border-radius:8px;
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:700; color:#fff;
}
.review-card-platform-name {
  font-size:14px; font-weight:600;
}
.review-card-platform-cat {
  font-size:12px; color:rgba(255,255,255,.4);
}
.review-card-stars-wrapper {
  display:flex; align-items:center; gap:6px;
}
.review-card-stars { color:var(--color-star); font-size:14px; letter-spacing:1px; }
.review-card-rating { font-size:15px; font-weight:700; }
.review-card-title {
  font-size:17px; font-weight:700; margin-bottom:10px;
  line-height:1.4;
}
.review-card-text {
  font-size:14px; line-height:1.7;
  color:rgba(255,255,255,.7);
  margin-bottom:20px;
}
.review-card-bottom {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; border-top:1px solid rgba(255,255,255,.06);
}
.review-card-author {
  display:flex; align-items:center; gap:10px;
}
.review-card-avatar {
  width:32px; height:32px; border-radius:50%;
  background:linear-gradient(135deg, var(--color-accent), var(--color-purple));
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:700; color:#fff;
}
.review-card-author-name { font-size:13px; font-weight:600; }
.review-card-author-location { font-size:12px; color:rgba(255,255,255,.4); }
.review-card-date {
  font-size:12px; color:rgba(255,255,255,.35);
}
.review-card-verified {
  display:inline-flex; align-items:center; gap:4px;
  font-size:11px; font-weight:600; color:var(--color-verified);
  background:rgba(16,185,129,.12);
  padding:3px 10px; border-radius:100px;
  margin-left:auto;
}
.reviews-more {
  text-align:center; margin-top:40px;
}

/* ========================================
   Post Cards
   ======================================== */
.posts-grid {
  display:grid; grid-template-columns:repeat(3,1fr); gap:24px;
}
.post-card {
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:var(--transition);
}
.post-card:hover {
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.12);
  transform:translateY(-2px);
}
.post-card-image {
  height:200px;
  display:flex; align-items:center; justify-content:center;
  font-size:36px;
  position:relative;
  overflow:hidden;
}
.post-card-image::after {
  content:''; position:absolute; bottom:0; left:0; right:0;
  height:60%;
  background:linear-gradient(transparent, rgba(0,0,0,.4));
}
.post-card-body {
  padding:24px;
  color:#fff;
}
.post-card-meta {
  display:flex; align-items:center; gap:12px;
  margin-bottom:12px;
}
.post-card-tag {
  font-size:11px; font-weight:600; text-transform:uppercase;
  letter-spacing:.05em;
  padding:3px 10px; border-radius:100px;
}
.post-card-date {
  font-size:12px; color:rgba(255,255,255,.4);
}
.post-card-title {
  font-size:18px; font-weight:700; line-height:1.35;
  margin-bottom:10px;
}
.post-card-text {
  font-size:14px; line-height:1.7;
  color:rgba(255,255,255,.65);
  margin-bottom:20px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-card-footer {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:16px; border-top:1px solid rgba(255,255,255,.06);
}
.post-card-author {
  display:flex; align-items:center; gap:10px;
}
.post-card-author-avatar {
  width:28px; height:28px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:11px; font-weight:700; color:#fff;
}
.post-card-author-name {
  font-size:13px; font-weight:600;
}
.post-card-read {
  font-size:13px; font-weight:600; color:var(--color-accent-light);
  display:flex; align-items:center; gap:4px;
  transition:var(--transition);
  cursor:pointer;
}
.post-card:hover .post-card-read { gap:8px; }

.btn {
  display:inline-flex; align-items:center; gap:8px;
  font-size:15px; font-weight:600;
  padding:12px 28px; border-radius:var(--radius-sm);
  transition:var(--transition);
}
.btn-outline {
  color:#fff;
  border:1px solid rgba(255,255,255,.2);
  background:transparent;
}
.btn-outline:hover {
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.3);
}

/* ========================================
   About
   ======================================== */
.about-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center;
}
.about-text {
  font-size:16px; color:var(--color-text-secondary);
  line-height:1.8; margin-bottom:16px;
}
.about-features {
  display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:24px;
}
.about-feature {
  display:flex; align-items:center; gap:10px;
  font-size:14px; font-weight:500; color:var(--color-text);
}
.about-feature-icon {
  width:24px; height:24px; border-radius:50%;
  background:rgba(16,185,129,.12);
  color:var(--color-success);
  display:flex; align-items:center; justify-content:center;
  font-size:12px; font-weight:700; flex-shrink:0;
}
.about-card {
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-lg);
}
.about-card-header {
  display:flex; align-items:center; gap:14px; margin-bottom:20px;
}
.about-card-avatar {
  width:48px; height:48px; border-radius:50%;
  background:linear-gradient(135deg, var(--color-accent), var(--color-purple));
  display:flex; align-items:center; justify-content:center;
  font-size:16px; font-weight:700; color:#fff;
}
.about-card-name { font-size:15px; font-weight:700; }
.about-card-role { font-size:13px; color:var(--color-text-muted); }
.about-card-quote {
  font-size:16px; line-height:1.8;
  color:var(--color-text-secondary);
  font-style:italic;
  position:relative; padding-left:20px;
  border-left:3px solid var(--color-accent);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background:var(--color-primary);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
}
.footer-grid {
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px;
  padding-bottom:40px;
}
.footer-text {
  font-size:14px; line-height:1.7;
  margin-top:16px; max-width:320px;
}
.footer-heading {
  font-size:14px; font-weight:700; color:#fff;
  margin-bottom:16px;
}
.footer-link {
  display:block; font-size:14px; padding:4px 0;
  transition:var(--transition);
}
.footer-link:hover { color:var(--color-accent-light); }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.06);
  padding:20px 0;
}
.footer-bottom .container {
  display:flex; align-items:center; justify-content:space-between;
}
.footer-bottom p { font-size:13px; }
.footer-social { display:flex; gap:12px; }
.social-link {
  width:36px; height:36px; border-radius:50%;
  background:rgba(255,255,255,.06);
  display:flex; align-items:center; justify-content:center;
  color:rgba(255,255,255,.5);
  transition:var(--transition);
}
.social-link:hover {
  background:rgba(255,255,255,.12);
  color:#fff;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width:1024px) {
  .platforms-grid { grid-template-columns:repeat(2,1fr); }
  .hero-title { font-size:40px; }
  .hero-inner { gap:40px; }
  .posts-grid { grid-template-columns:repeat(2,1fr); }
}

@media (max-width:768px) {
  .nav { display:none; flex-direction:column; position:absolute; top:72px; left:0; right:0;
    background:rgba(255,255,255,.98); backdrop-filter:blur(20px);
    border-bottom:1px solid var(--color-border); padding:16px 24px; gap:16px; }
  .nav.open { display:flex; }
  .menu-toggle { display:flex; }
  .hero-inner { grid-template-columns:1fr; gap:32px; text-align:center; }
  .hero-title { font-size:32px; }
  .hero-subtitle { margin:0 auto 32px; }
  .hero-search { margin:0 auto; }
  .hero-tags { justify-content:center; }
  .hero-visual { display:none; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:24px; }
  .stat-number { font-size:28px; }
  .section { padding:64px 0; }
  .section-title { font-size:28px; }
  .platforms-grid { grid-template-columns:1fr; }
  .reviews-grid { grid-template-columns:1fr; }
  .posts-grid { grid-template-columns:1fr; }
  .about-grid { grid-template-columns:1fr; gap:40px; }
  .footer-grid { grid-template-columns:1fr 1fr; gap:32px; }
  .footer-bottom .container { flex-direction:column; gap:12px; }
}

@media (max-width:480px) {
  .hero-title { font-size:26px; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .filter-tabs { gap:6px; }
  .filter-tab { font-size:13px; padding:6px 14px; }
  .footer-grid { grid-template-columns:1fr; }
}