/* ═══════════════════════════════════════════════════════════════
   Valtio Marketing-Site – Shared Styles
   ═══════════════════════════════════════════════════════════════ */

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

/* ── Design Tokens (geteilt mit App) ─────────────────────────── */
:root {
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
  --serif:        var(--font-display);

  --purple:       #a78bfa;
  --blue:         #60a5fa;
  --green:        #34d399;
  --amber:        #f59e0b;
  --red:          #f87171;
  --accent:       #7c3aed;
  --accent-blue:  #2563eb;
  --brand-red:    #e31903;

  --grad-cta:     linear-gradient(135deg, #7c3aed, #2563eb);
  --grad-main:    linear-gradient(135deg, #a78bfa, #60a5fa, #34d399);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 20px;

  /* Dark Mode – nicht zu dunkel */
  --bg:   #0f1117;
  --bg1:  #0f1117;
  --bg2:  #161b25;
  --bg3:  #1c2333;
  --tx:   #e8e6e1;
  --txs:  rgba(232,230,225,.62);
  --txm:  rgba(232,230,225,.36);
  --border:        rgba(255,255,255,.10);
  --border2:       rgba(255,255,255,.18);
  --card-shadow:   0 4px 24px rgba(0,0,0,.35);
}

/* Light Mode – nicht zu hell */
html.light-mode {
  --bg:   #f2f4f8;
  --bg1:  #f2f4f8;
  --bg2:  #ffffff;
  --bg3:  #e8ecf2;
  --tx:   #1a1d2e;
  --txs:  rgba(26,29,46,.62);
  --txm:  rgba(26,29,46,.38);
  --border:        rgba(0,0,0,.10);
  --border2:       rgba(0,0,0,.18);
  --card-shadow:   0 4px 24px rgba(0,0,0,.07);
}

/* ── Transitions ─────────────────────────────────────────────── */
html { scroll-behavior: smooth; }
body, .nav, .card, .footer, input, textarea, select, button {
  transition: background-color .3s ease, color .25s ease, border-color .3s ease;
}

/* ── Base ─────────────────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--tx);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

/* ── Atmosphäre-Orbs ─────────────────────────────────────────── */
.orb {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .12;
  pointer-events: none;
  z-index: 0;
}
.orb-1 {
  background: conic-gradient(from 0deg, #7c3aed, #2563eb, #7c3aed);
  top: -200px;
  right: -200px;
}
.orb-2 {
  background: conic-gradient(from 180deg, #059669, #2563eb, #059669);
  bottom: -200px;
  left: -200px;
}
html.light-mode .orb { opacity: .04; filter: blur(100px); }

/* ── Container ───────────────────────────────────────────────── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── Navigation ──────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,17,23,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}
html.light-mode .nav {
  background: rgba(242,244,248,.92);
  border-bottom-color: rgba(0,0,0,.09);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  height: 60px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-logo svg { flex-shrink: 0; }
.nav-links {
  display: flex;
  gap: 6px;
  list-style: none;
  flex: 1;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--txs);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  transition: color .15s, background .15s;
  text-decoration: none;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--tx);
  background: rgba(124,58,237,.08);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-theme-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: var(--tx);
  transition: border-color .15s;
}
.nav-theme-btn:hover { border-color: var(--border2); }
.nav-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--txs);
  text-decoration: none;
}
.nav-login:hover { color: var(--tx); text-decoration: none; }
.nav-cta {
  background: var(--grad-cta);
  color: #fff !important;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--r-sm);
  border: none;
  cursor: pointer;
  text-decoration: none !important;
  transition: opacity .15s;
}
.nav-cta:hover { opacity: .9; }

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--tx);
  padding: 4px;
}
@media (max-width: 768px) {
  .nav-links, .nav-login { display: none; }
  .nav-hamburger { display: block; }
  .nav-inner { gap: 16px; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 4px;
  }
  html.light-mode .nav-links.open { background: var(--bg2); }
}

/* ── Sections ────────────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--purple);
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 800;
  margin-bottom: 16px;
}
.section-title .gradient {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: 17px;
  color: var(--txs);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 28px;
  border-radius: var(--r-md);
  border: none;
  cursor: pointer;
  transition: opacity .15s, transform .15s;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: var(--grad-cta); color: #fff; }
.btn-primary:hover { opacity: .9; }
.btn-secondary {
  background: rgba(124,58,237,.1);
  color: var(--purple);
  border: 1px solid rgba(124,58,237,.25);
}
.btn-secondary:hover { background: rgba(124,58,237,.18); }
.btn-group { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  transition: border-color .2s, box-shadow .2s;
}
.card:hover { border-color: var(--border2); box-shadow: var(--card-shadow); }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.card-desc { font-size: 14px; color: var(--txs); line-height: 1.7; }

/* ── Feature Grid ────────────────────────────────────────────── */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}
@media (max-width: 768px) { .feature-grid { grid-template-columns: 1fr; } }

/* ── CTA Section ─────────────────────────────────────────────── */
.cta-section {
  background: var(--grad-cta);
  border-radius: var(--r-xl);
  padding: 56px 48px;
  text-align: center;
  margin: 60px 0;
}
.cta-section h2 { color: #fff; font-size: clamp(24px, 4vw, 36px); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,.8); font-size: 16px; margin-bottom: 24px; }
.cta-section .btn { background: #fff; color: #7c3aed; }

/* ── Footer ──────────────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 48px 0 32px; color: var(--txs); font-size: 13px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }
.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.footer-desc { color: var(--txm); line-height: 1.7; font-size: 13px; }
.footer-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--tx);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--txs); font-size: 13px; text-decoration: none; transition: color .15s; }
.footer-links a:hover { color: var(--tx); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Scroll Reveal ───────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Focus Accessibility ─────────────────────────────────────── */
:focus-visible { outline: 2px solid rgba(124,58,237,.6); outline-offset: 2px; border-radius: var(--r-sm); }

/* ── Pricing ─────────────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
@media (max-width: 768px) { .pricing-grid { grid-template-columns: 1fr; } }
.pricing-card { text-align: center; }
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--card-shadow);
  position: relative;
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-cta);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.pricing-price { font-family: var(--font-display); font-size: 42px; font-weight: 800; margin: 16px 0 4px; }
.pricing-price span { font-size: 16px; font-weight: 400; color: var(--txs); }
.pricing-period { font-size: 13px; color: var(--txm); margin-bottom: 24px; }
.pricing-features { list-style: none; text-align: left; margin-bottom: 28px; }
.pricing-features li { font-size: 14px; padding: 8px 0; border-bottom: 1px solid var(--border); color: var(--txs); }
.pricing-features li::before { content: '✓ '; color: var(--green); font-weight: 700; }

/* ── Legal Pages ─────────────────────────────────────────────── */
.legal-content { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
.legal-content h1 { font-size: 32px; margin-bottom: 8px; }
.legal-content .legal-date { color: var(--txm); font-size: 13px; margin-bottom: 32px; }
.legal-content h2 { font-size: 20px; margin: 32px 0 12px; }
.legal-content h3 { font-size: 16px; margin: 24px 0 8px; }
.legal-content p, .legal-content li { color: var(--txs); font-size: 15px; line-height: 1.8; margin-bottom: 12px; }
.legal-content ul { padding-left: 20px; }
.legal-content a { color: var(--purple); }

/* ── Contact Form ────────────────────────────────────────────── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 40px; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; color: var(--txs); margin-bottom: 6px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--tx);
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color .15s;
}
.form-field input:focus, .form-field textarea:focus { border-color: var(--accent); outline: none; }
.form-field textarea { resize: vertical; min-height: 120px; }