/**
 * future labs — Design System
 * Version 1.0 | 22.04.2026
 * Loaded globally via mu-plugin fl-design.php
 */

/* ============================================================
   @font-face — lokale Fonts (DSGVO-Pflicht)
   ============================================================ */

@font-face {
  font-family: 'Space Grotesk';
  src: url('fl-fonts/spacegrotesk-medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fl-fonts/spacegrotesk-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('fl-fonts/spacegrotesk-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fl-fonts/InterVariable.woff2') format('woff2-variations'),
       url('fl-fonts/InterVariable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fl-fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('fl-fonts/JetBrainsMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ============================================================
   CSS-Variablen — Light Mode (default)
   ============================================================ */

:root {
  /* Brand */
  --navy: #0f172a;
  --navy-soft: #1a2332;
  --accent: #0066ff;
  --accent-deep: #0044cc;
  --ai: #8b5cf6;
  --ai-deep: #6d28d9;

  /* Semantic */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #e11d48;
  --info: #0ea5e9;

  /* Neutrals — Light */
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-elevated: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #475569;
  --text-faint: #94a3b8;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
  --shadow-ai: 0 8px 24px rgba(139, 92, 246, 0.35);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1a2332 50%, #6d28d9 120%);
  --gradient-ai: linear-gradient(135deg, #0066ff 0%, #8b5cf6 100%);
  --gradient-cta: linear-gradient(135deg, #0066ff 0%, #0044cc 100%);
  --gradient-text: linear-gradient(90deg, #0066ff 0%, #8b5cf6 100%);

  /* Fonts */
  --font-heading: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

/* ============================================================
   Dark Mode
   ============================================================ */

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-alt: #1a2332;
  --bg-elevated: #1e293b;
  --border: #334155;
  --text: #f8fafc;
  --text-muted: #cbd5e1;
  --text-faint: #94a3b8;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
}

/* Fallback wenn kein Toggle gesetzt wurde */
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --bg: #0f172a;
    --bg-alt: #1a2332;
    --bg-elevated: #1e293b;
    --border: #334155;
    --text: #f8fafc;
    --text-muted: #cbd5e1;
    --text-faint: #94a3b8;
  }
}

/* ============================================================
   Globale Overrides: Typografie
   ============================================================ */

html, body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  transition: background 300ms ease, color 300ms ease;
}

h1, h2, h3, h4, h5, h6,
.entry-title,
.fl-hero h1,
.fl-section h2,
.fl-section-dark h2,
.fl-section-gray h2,
.fl-card h3,
.fl-card-dark h3 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}

.fl-hero h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem) !important;
  font-weight: 700;
  color: #ffffff;
}

h2,
.fl-section h2,
.fl-section-dark h2,
.fl-section-gray h2 {
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.75rem) !important;
}

h3 {
  font-weight: 600;
}

body {
  font-size: 1rem;
  line-height: 1.65;
}

code, pre, kbd, samp,
.fl-price-tag,
.fl-metric {
  font-family: var(--font-mono) !important;
}

.fl-price-tag {
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -0.01em;
}

[data-theme="dark"] .fl-price-tag {
  color: #66a3ff;
}

.fl-metric {
  color: var(--accent);
  font-weight: 500;
}

[data-theme="dark"] .fl-metric {
  color: #66a3ff;
}

/* ============================================================
   Hero — Animation + Violett-Gradient + Noise
   ============================================================ */

body .fl-hero {
  background: var(--gradient-hero) !important;
  background-size: 200% 200%;
  animation: fl-hero-shift 20s ease-in-out infinite alternate;
  position: relative;
  overflow: hidden;
}

body .fl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.18 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.06;
  pointer-events: none;
  mix-blend-mode: overlay;
  z-index: 0;
}

body .fl-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at center, rgba(139, 92, 246, 0.15) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

body .fl-hero-inner {
  position: relative;
  z-index: 1;
}

@keyframes fl-hero-shift {
  0%   { background-position:   0% 50%; }
  100% { background-position: 100% 50%; }
}

/* Hero-Badge — Neue Optik mit AI-Gradient */
body .fl-hero-badge {
  background: var(--gradient-ai) !important;
  border: none !important;
  color: #ffffff !important;
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-ai);
  animation: fl-ai-glow 4s ease-in-out infinite;
}

@keyframes fl-ai-glow {
  0%, 100% { box-shadow: 0 4px 16px rgba(139, 92, 246, 0.3); }
  50%      { box-shadow: 0 8px 28px rgba(139, 92, 246, 0.55); }
}

/* ============================================================
   Buttons
   ============================================================ */

body .fl-btn,
body .fl-btn-primary,
body .fl-btn-outline {
  border-radius: var(--radius-md) !important;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 28px !important;
  transition: transform 200ms cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 200ms cubic-bezier(0.4, 0, 0.2, 1),
              background 200ms ease;
}

body .fl-btn-primary {
  background: var(--accent) !important;
  color: #ffffff !important;
  box-shadow: var(--shadow-sm);
}

body .fl-btn-primary:hover {
  background: var(--accent-deep) !important;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

body .fl-btn-outline {
  background: transparent !important;
  border: 1px solid rgba(255, 255, 255, 0.4) !important;
  color: #ffffff !important;
}

body .fl-btn-outline:hover {
  border-color: #ffffff !important;
  background: rgba(255, 255, 255, 0.08) !important;
  transform: translateY(-1px);
}

/* ============================================================
   Cards
   ============================================================ */

body .fl-card {
  border-radius: var(--radius-lg) !important;
  background: var(--bg) !important;
  border: 1px solid var(--border) !important;
  color: var(--text) !important;
  box-shadow: var(--shadow-sm);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1),
              border-color 200ms ease;
}

body .fl-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 255, 0.3);
}

a.fl-card:hover {
  border-color: rgba(139, 92, 246, 0.4);
}

[data-theme="dark"] body .fl-card {
  background: var(--bg-elevated) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}

body .fl-card h3 {
  color: var(--text) !important;
}

body .fl-card p {
  color: var(--text-muted);
}

body .fl-card-dark {
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: var(--radius-lg) !important;
  backdrop-filter: blur(8px);
}

/* Checkmarks — Emerald statt WhatsApp-Grün */
body .fl-check {
  color: var(--success) !important;
}

/* ============================================================
   Sections
   ============================================================ */

body .fl-section {
  background: var(--bg);
  color: var(--text);
}

body .fl-section-gray {
  background: var(--bg-alt) !important;
  color: var(--text);
}

body .fl-section-dark {
  background: var(--navy) !important;
  color: #ffffff;
}

[data-theme="dark"] body .fl-section-dark {
  background: var(--navy-soft) !important;
}

body .fl-sub {
  color: var(--text-muted) !important;
}

body .fl-section-dark .fl-sub,
body .fl-section-dark h2 {
  color: rgba(255, 255, 255, 0.85) !important;
}

body .fl-section-dark h2 { color: #ffffff !important; }

/* ============================================================
   CTA-Section
   ============================================================ */

body .fl-cta-section {
  background: var(--gradient-hero) !important;
  background-size: 200% 200%;
  animation: fl-hero-shift 25s ease-in-out infinite alternate;
  position: relative;
  overflow: hidden;
}

body .fl-cta-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

body .fl-cta-section h2,
body .fl-cta-section p {
  color: #ffffff !important;
  position: relative;
  z-index: 1;
}

body .fl-cta-section .fl-btn {
  background: #ffffff !important;
  color: var(--navy) !important;
  position: relative;
  z-index: 1;
}

body .fl-cta-section .fl-btn:hover {
  background: var(--bg-alt) !important;
  transform: translateY(-1px);
}

/* ============================================================
   Step-Nummern
   ============================================================ */

body .fl-step-num {
  background: var(--gradient-ai) !important;
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  box-shadow: var(--shadow-ai);
}

/* ============================================================
   Theme-Toggle (Floating Button rechts unten)
   ============================================================ */

#fl-theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform 200ms ease, background 200ms ease;
}

#fl-theme-toggle:hover {
  transform: translateY(-2px) scale(1.05);
  background: var(--bg-alt);
}

#fl-theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
   Utility — AI-Badge + Gradient-Text
   ============================================================ */

.fl-ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--gradient-ai);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  animation: fl-ai-glow 4s ease-in-out infinite;
}

.fl-gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   Links
   ============================================================ */

a {
  color: var(--accent);
  transition: color 180ms ease;
}

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

[data-theme="dark"] a {
  color: #66a3ff;
}

[data-theme="dark"] a:hover {
  color: #99c2ff;
}

/* ============================================================
   Focus
   ============================================================ */

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   Reduced Motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}