/* ============================================
   Shinpai-AI — Elegant Boss Design
   Farben: Gentleman-Schmetterling Palette
   Inspiration: chimdibam.co + GQ Elegance
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,800;1,400;1,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand Colors — aus dem Shinpai-AI Logo */
  --bg-deep: #252329;
  --bg-surface: #2b2930;
  --bg-card: #332f38;
  --bg-elevated: #3a3740;
  --color-white: #f0ece4;
  --color-white-pure: #ffffff;
  --color-gray: #8a8a9a;
  --color-gray-light: #b8b8c8;
  --color-purple: #9b3fa8;
  --color-purple-light: #c77dd4;
  --color-purple-dark: #6b2a75;
  --color-orange: #e8724a;
  --color-orange-light: #f09070;
  --color-orange-dark: #c85a32;
  --color-gradient: linear-gradient(135deg, var(--color-purple), var(--color-orange));
  --color-gradient-subtle: linear-gradient(135deg, rgba(155, 63, 168, 0.15), rgba(232, 114, 74, 0.15));

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Layout */
  --max-width: 1200px;
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-fast: 0.2s ease;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--color-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-purple-light); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-orange); }
img { max-width: 100%; height: auto; display: block; }
::selection { background: var(--color-purple); color: var(--color-white-pure); }

/* ---- UTILITIES ---- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 32px; }
.text-gradient {
  background: var(--color-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.divider {
  width: 60px; height: 3px;
  background: var(--color-gradient);
  border-radius: 2px;
  margin: 24px 0;
}
.divider-center { margin: 24px auto; }

/* ---- HEADER / NAV ---- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(26, 26, 34, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(155, 63, 168, 0.08);
  transition: all var(--transition);
}
.header.scrolled {
  background: rgba(26, 26, 34, 0.95);
  border-bottom-color: rgba(155, 63, 168, 0.15);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max-width); margin: 0 auto; padding: 16px 32px;
}
.header-logo { display: flex; align-items: center; gap: 12px; }
.header-logo img { height: 36px; width: 36px; border-radius: 50%; object-fit: cover; }
.header-logo span {
  font-family: var(--font-display);
  font-size: 1.1rem; font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.5px;
}
.nav { display: flex; align-items: center; gap: 40px; }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
  color: var(--color-gray-light);
  font-size: 0.9rem; font-weight: 400;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 8px 0; position: relative;
  transition: color var(--transition-fast);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-gradient);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-white); }
.nav-links a:hover::after { width: 100%; }
.nav-social { display: flex; gap: 16px; }
.nav-social a {
  color: var(--color-gray); font-size: 1.1rem;
  transition: all var(--transition-fast);
}
.nav-social a:hover { color: var(--color-purple-light); transform: translateY(-2px); }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 6px;
  cursor: pointer; background: none; border: none; padding: 8px;
}
.hamburger span {
  display: block; width: 24px; height: 1.5px;
  background: var(--color-white); transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 120px 0 80px;
}
.hero::before {
  content: ''; position: absolute;
  top: -30%; right: -15%; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(155, 63, 168, 0.08) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute;
  bottom: -20%; left: -10%; width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(232, 114, 74, 0.06) 0%, transparent 70%);
  border-radius: 50%; pointer-events: none;
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center; max-width: 800px; margin: 0 auto;
}
.hero-logo {
  width: 220px; height: auto;
  margin: 0 auto 48px;
  filter: drop-shadow(0 0 40px rgba(155, 63, 168, 0.2));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 3.8rem; font-weight: 800;
  line-height: 1.15; margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero .subtitle {
  font-size: 1.15rem; color: var(--color-gray-light);
  max-width: 550px; margin: 0 auto 40px;
  font-weight: 300; line-height: 1.8;
}
.hero-cta {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 500; font-size: 0.9rem;
  letter-spacing: 1px; text-transform: uppercase;
  transition: all var(--transition); cursor: pointer; border: none;
}
.btn-primary {
  background: var(--color-gradient); color: var(--color-white-pure);
  box-shadow: 0 4px 20px rgba(155, 63, 168, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(155, 63, 168, 0.35);
  color: var(--color-white-pure);
}
.btn-outline {
  background: transparent; color: var(--color-gray-light);
  border: 1px solid rgba(155, 63, 168, 0.3);
}
.btn-outline:hover {
  border-color: var(--color-purple-light);
  color: var(--color-white);
  background: rgba(155, 63, 168, 0.08);
}

/* ---- SECTIONS ---- */
.section {
  padding: 120px 0;
  position: relative;
}
.section-alt { background: var(--bg-surface); }
.section-header {
  text-align: center;
  max-width: 600px; margin: 0 auto 64px;
}
.section-header .label {
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 16px; display: block;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: 2.6rem; font-weight: 700;
  line-height: 1.2; margin-bottom: 16px;
}
.section-header p {
  color: var(--color-gray); font-size: 1.05rem;
  line-height: 1.8;
}

/* ---- FEATURE CARDS ---- */
.features-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(155, 63, 168, 0.08);
  border-radius: var(--radius);
  padding: 40px;
  transition: all var(--transition);
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--color-gradient);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.feature-card:hover {
  border-color: rgba(155, 63, 168, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card .icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: var(--color-gradient-subtle);
  margin-bottom: 20px; font-size: 1.4rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem; font-weight: 600;
  margin-bottom: 12px;
}
.feature-card p {
  color: var(--color-gray); font-size: 0.95rem;
  line-height: 1.7;
}

/* ---- PRODUCT SHOWCASE ---- */
.showcase-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.showcase-card {
  background: var(--bg-card);
  border: 1px solid rgba(155, 63, 168, 0.08);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  cursor: pointer;
}
.showcase-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  border-color: rgba(155, 63, 168, 0.2);
}
.showcase-card-img {
  width: 100%; height: 200px; object-fit: cover;
  transition: transform var(--transition);
}
.showcase-card:hover .showcase-card-img {
  transform: scale(1.05);
}
.showcase-card-body { padding: 28px; }
.showcase-card-body .tag {
  display: inline-block;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 12px;
}
.showcase-card-body h3 {
  font-family: var(--font-display);
  font-size: 1.4rem; margin-bottom: 8px;
}
.showcase-card-body p {
  color: var(--color-gray); font-size: 0.9rem;
}

/* ---- SPLIT SECTION (Text + Image) ---- */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}
.split-reverse { direction: rtl; }
.split-reverse > * { direction: ltr; }
.split-text .label {
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 16px; display: block;
}
.split-text h2 {
  font-family: var(--font-display);
  font-size: 2.4rem; font-weight: 700;
  line-height: 1.2; margin-bottom: 20px;
}
.split-text p {
  color: var(--color-gray-light); font-size: 1rem;
  line-height: 1.8; margin-bottom: 16px;
}
.split-image {
  position: relative;
}
.split-image img {
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ---- CTA SECTION ---- */
.cta-section {
  text-align: center;
  padding: 80px 0;
}
.cta-section h2 {
  font-family: var(--font-display);
  font-size: 2.8rem; font-weight: 700;
  margin-bottom: 16px;
}
.cta-section p {
  color: var(--color-gray); font-size: 1.1rem;
  max-width: 500px; margin: 0 auto 32px;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid rgba(155, 63, 168, 0.06);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand p {
  color: var(--color-gray); font-size: 0.9rem;
  margin-top: 16px; max-width: 320px; line-height: 1.7;
}
.footer-social {
  display: flex; gap: 16px; margin-top: 20px;
}
.footer-social a {
  color: var(--color-gray); font-size: 1.2rem;
  transition: all var(--transition-fast);
}
.footer-social a:hover {
  color: var(--color-purple-light);
  transform: translateY(-2px);
}
.footer-col h4 {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 20px;
}
.footer-col a {
  display: block; color: var(--color-gray);
  font-size: 0.9rem; margin-bottom: 10px;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-white); }
.footer-col p {
  color: var(--color-gray); font-size: 0.9rem;
  margin-bottom: 8px;
}
.footer-bottom {
  text-align: center; padding-top: 32px;
  border-top: 1px solid rgba(155, 63, 168, 0.06);
  color: var(--color-gray); font-size: 0.8rem;
  letter-spacing: 0.5px;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 968px) {
  .hero h1 { font-size: 2.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split-reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .section { padding: 80px 0; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-logo { width: 160px; }
  .section-header h2 { font-size: 2rem; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: rgba(26, 26, 34, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px 32px; gap: 16px;
    border-bottom: 1px solid rgba(155, 63, 168, 0.1);
  }
  .container { padding: 0 20px; }
  .header-inner { padding: 12px 20px; }
}
@media (max-width: 480px) {
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 1.8rem; }
  .section { padding: 60px 0; }
  .feature-card { padding: 28px; }
  .hero-cta { flex-direction: column; align-items: center; }
}