/* ============================================
   consult-kern.de — Stylesheet
   Light (warm) default · Dark toggle
   © 2026 Peter Kern
   ============================================ */

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

/* Anti-FOUC — Dark Mode sofort anwenden bevor JS lädt */
html.dark-load body {
  background: #0a0f1e;
}

/* ============================================
   Light Mode (Default) — Warm Earth Tones
   Exact values from Design 2 / kern-ai v2
   ============================================ */
:root {
  --bg:              #FAF7F2;
  --bg-alt:          #F2EDE5;
  --bg-card:         #FFFFFF;
  --bg-card-hover:   #F8F4EF;
  --text-primary:    #1A1714;
  --text-secondary:  #5C564D;
  --text-muted:      #9B9487;
  --text-service:    #5C564D;
  --text-quote:      #C45D2C;
  --text-profil-key: #9B9487;
  --accent-orange:   #C45D2C;
  --accent-light:    #E8834A;
  --accent-warm:     #1A1714;
  --border-main:     rgba(26, 23, 20, 0.08);
  --border-strong:   rgba(26, 23, 20, 0.15);
  --border-card:     rgba(26, 23, 20, 0.08);
  --border-profil:   rgba(26, 23, 20, 0.12);
  --border-row:      rgba(26, 23, 20, 0.08);
  --border-hex:      rgba(26, 23, 20, 0.15);
  --pk-letter-p:     #1A1714;
  --form-bg:         #FAF7F2;
  --form-border:     rgba(26, 23, 20, 0.12);
  --form-focus:      rgba(196, 93, 44, 0.35);
  --form-text:       #1A1714;
  --toggle-border:   rgba(26, 23, 20, 0.18);
  --toggle-color:    #5C564D;
  --divider-accent:  rgba(196, 93, 44, 0.12);
  --contact-icon-bg: rgba(196, 93, 44, 0.06);
  --surface:         #FFFFFF;
  --accent-bg:       rgba(196, 93, 44, 0.06);
}

/* ============================================
   Dark Mode — Tech Blue/Orange
   ============================================ */
body.dark {
  --bg:              #0a0f1e;
  --bg-card:         #0a0f1e;
  --bg-card-hover:   #0d1428;
  --text-primary:    #e8eaf0;
  --text-secondary:  rgba(200, 210, 240, 0.85);
  --text-muted:      rgba(168, 192, 255, 0.8);
  --text-service:    rgba(180, 195, 230, 0.8);
  --text-quote:      rgba(232, 180, 140, 0.95);
  --text-profil-key: rgba(168, 192, 255, 0.65);
  --accent-orange:   #e8834a;
  --accent-warm:     #a8c0ff;
  --border-main:     rgba(100, 140, 255, 0.2);
  --border-card:     rgba(100, 140, 255, 0.12);
  --border-profil:   rgba(100, 140, 255, 0.15);
  --border-row:      rgba(100, 140, 255, 0.1);
  --border-hex:      rgba(168, 192, 255, 0.2);
  --pk-letter-p:     #a8c0ff;
  --form-bg:         transparent;
  --form-border:     rgba(100, 140, 255, 0.2);
  --form-focus:      rgba(232, 131, 74, 0.4);
  --form-text:       #c8d4f0;
  --toggle-border:   rgba(100, 140, 255, 0.3);
  --toggle-color:    rgba(168, 192, 255, 0.7);
  --divider-accent:  rgba(232, 131, 74, 0.15);
  --contact-icon-bg: rgba(232, 131, 74, 0.1);
}

/* SVG gradient stops — light = warm earth, dark = blue-navy */
body:not(.dark) .hex-stop-1 { stop-color: #EDE6DC; stop-opacity: 1; }
body:not(.dark) .hex-stop-2 { stop-color: #DDD4C4; stop-opacity: 1; }
body.dark .hex-stop-1        { stop-color: #1a2540; stop-opacity: 1; }
body.dark .hex-stop-2        { stop-color: #0a0f1e; stop-opacity: 1; }

/* ============================================
   Base
   ============================================ */
body {
  background: var(--bg);
  min-height: 100vh;
  font-family: 'Georgia', serif;
  color: var(--text-primary);
  overflow-x: hidden;
  transition: background 0.4s, color 0.4s;
}

/* Subtle warm grain texture (light mode only) */
body:not(.dark)::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

canvas#bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
}

.content {
  position: relative;
  z-index: 1;
}

/* ============================================
   Toggle Buttons (Theme + Language)
   ============================================ */
.toggle-btn {
  background: transparent;
  border: 0.5px solid var(--toggle-border);
  color: var(--toggle-color);
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.9rem;
  cursor: pointer;
  transition: all 0.3s;
  margin-left: 1rem;
}

.toggle-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* ============================================
   Navigation
   ============================================ */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  border-bottom: 0.5px solid var(--border-main);
  transition: border-color 0.4s;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

/* Light/Dark logo switching */
.logo-img { display: block; transition: opacity 0.3s; }
.logo-img--dark  { display: none; }

body.dark .logo-img--light { display: none; }
body.dark .logo-img--dark  { display: block; }

.logo:hover .logo-img,
.footer-logo:hover .logo-img { opacity: 0.75; }

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s;
  font-family: 'Courier New', monospace;
}

.nav-links a:hover {
  color: var(--accent-orange);
}

/* Mobile Actions */
.mobile-actions {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 22px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all 0.3s;
  display: block;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 5px);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -5px);
}


/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, background 0.4s;
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: 'Georgia', serif;
  font-size: 2rem;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s;
}

.mobile-menu a:hover {
  color: var(--accent-orange);
}

.mobile-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--accent-orange);
  line-height: 1;
  padding: 0.4rem;
  transition: transform 0.2s, color 0.3s;
}

.mobile-close:hover {
  transform: scale(1.2);
  color: var(--text-primary);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 6rem 3rem 4rem;
  text-align: center;
}

.tagline {
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 2rem;
  font-family: 'Courier New', monospace;
}

.tagline span { color: var(--accent-orange); }

h1.claim {
  font-size: 3.2rem;
  font-weight: 300;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
  transition: color 0.4s;
}

.accent-text {
  color: var(--accent-orange);
  font-style: italic;
}

.sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.8;
  margin-bottom: 3rem;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.05em;
  transition: color 0.4s;
}

/* ============================================
   Buttons
   ============================================ */
.cta {
  border: 0.5px solid rgba(196, 93, 44, 0.5);
  color: var(--accent-orange);
  padding: 0.8rem 2.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  background: transparent;
  transition: all 0.3s;
}

.cta:hover {
  background: rgba(196, 93, 44, 0.08);
  border-color: rgba(196, 93, 44, 0.9);
}

.cta-full {
  width: 100%;
  margin-top: 0.5rem;
}

/* ============================================
   Divider
   ============================================ */
.divider {
  width: 100%;
  height: 0.5px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--border-main),
    var(--divider-accent),
    transparent
  );
  margin: 1rem 0;
  transition: background 0.4s;
}

/* ============================================
   Sections
   ============================================ */
section {
  padding: 4rem 3rem;
}

.section-label {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  font-family: 'Courier New', monospace;
  opacity: 0.75;
}

/* ============================================
   Leistungen / Services
   ============================================ */
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 10px;
  padding: 2rem;
  transition: background 0.3s, border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-orange);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(26, 23, 20, 0.07);
}

body.dark .service-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
}

.service-num {
  font-size: 1.2rem;
  color: var(--accent-orange);
  margin-bottom: 1rem;
  font-family: 'Courier New', monospace;
  opacity: 0.6;
}

.service-title {
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  font-weight: 400;
  transition: color 0.4s;
}

.service-text {
  font-size: 0.8rem;
  color: var(--text-service);
  line-height: 1.8;
  font-family: 'Courier New', monospace;
  margin-bottom: 1.2rem;
  transition: color 0.4s;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-tags span {
  font-family: 'Courier New', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.3rem 0.7rem;
  border: 0.5px solid var(--border-main);
  transition: color 0.4s, border-color 0.4s;
}

/* ============================================
   Über mich / About
   ============================================ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 2;
  font-family: 'Courier New', monospace;
  margin-bottom: 1rem;
  transition: color 0.4s;
}

.about-highlight {
  border-left: 1px solid var(--accent-orange);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
}

.about-highlight p {
  color: var(--text-quote);
  font-style: italic;
  font-size: 0.95rem;
  transition: color 0.4s;
}

.tk-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 0.5px solid rgba(196, 93, 44, 0.25);
  padding: 0.5rem 1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--accent-orange);
  letter-spacing: 0.1em;
  margin-top: 1rem;
  opacity: 0.7;
}

/* ============================================
   PK Placeholder & Profil
   ============================================ */
.pk-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 2rem;
}

.pk-svg {
  width: 160px;
  height: 176px;
  filter: drop-shadow(0 0 12px rgba(44, 36, 24, 0.06));
  transition: filter 0.3s;
}

body.dark .pk-svg {
  filter: drop-shadow(0 0 12px rgba(168,192,255,0.08));
}

.pk-svg:hover {
  filter: drop-shadow(0 0 20px rgba(196, 93, 44, 0.15));
}

.pk-label {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  margin-top: 0.8rem;
  opacity: 0.5;
}

.profil-box {
  border: 0.5px solid var(--border-profil);
  padding: 2rem;
  transition: border-color 0.4s;
}

.profil-label {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--accent-orange);
  letter-spacing: 0.2em;
  margin-bottom: 1.5rem;
  opacity: 0.5;
}

.profil-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 0.5px solid var(--border-row);
  padding-bottom: 0.8rem;
  margin-bottom: 0.8rem;
  transition: border-color 0.4s;
}

.profil-row:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.profil-key {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--text-profil-key);
  transition: color 0.4s;
}

.profil-val {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--accent-orange);
}

.profil-link {
  color: var(--accent-orange);
  text-decoration: none;
  border-bottom: 0.5px solid rgba(196, 93, 44, 0.3);
  transition: border-color 0.3s;
}

.profil-link:hover {
  border-color: var(--accent-orange);
}

/* ============================================
   Kontakt / Contact
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 0.45fr 0.55fr;
  gap: 4rem;
  align-items: start;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.9;
  font-family: 'Courier New', monospace;
  margin-bottom: 2rem;
  transition: color 0.4s;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Courier New', monospace;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color 0.4s;
}

.contact-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--contact-icon-bg);
  color: var(--accent-orange);
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: background 0.4s;
}

.contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s;
}

.contact-item a:hover {
  color: var(--accent-orange);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-profil);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color 0.4s, background 0.4s;
}

.form-row {
  margin-bottom: 1.2rem;
}

.form-row label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--accent-orange);
  text-transform: uppercase;
  font-family: 'Courier New', monospace;
  margin-bottom: 0.5rem;
  opacity: 0.6;
}

.optional {
  opacity: 0.5;
}

.form-row input,
.form-row textarea {
  width: 100%;
  background: var(--form-bg);
  border: 0.5px solid var(--form-border);
  color: var(--form-text);
  padding: 0.7rem 1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.3s, background 0.4s, color 0.4s;
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: var(--text-muted);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--form-focus);
}

.form-row textarea {
  height: 120px;
  resize: vertical;
}

/* ============================================
   Formular Statusmeldung
   ============================================ */
.form-status {
  margin-top: 1.5rem;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  transition: all 0.4s;
}

.form-status.success {
  background: rgba(196, 93, 44, 0.06);
  border: 0.5px solid rgba(196, 93, 44, 0.3);
  color: var(--accent-orange);
}

.form-status.error {
  background: rgba(180, 40, 40, 0.05);
  border: 0.5px solid rgba(180, 40, 40, 0.2);
  color: #b42828;
}

body.dark .form-status.error {
  color: #e87070;
  background: rgba(180, 40, 40, 0.1);
  border-color: rgba(180, 40, 40, 0.3);
}

/* ============================================
   Footer
   ============================================ */
footer {
  border-top: 0.5px solid var(--border-main);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: border-color 0.4s;
}

.footer-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.footer-text {
  font-family: 'Courier New', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.4s;
}

.footer-sep {
  opacity: 0.3;
  margin: 0 0.5rem;
}

.footer-text a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s;
  margin: 0 0.3rem;
}

.footer-text a:hover {
  color: var(--accent-orange);
}

/* ============================================
   Responsive / Mobile
   ============================================ */
@media (max-width: 768px) {
  nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .mobile-actions {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    display: flex;
  }

  h1.claim {
    font-size: 2rem;
  }

  .hero {
    padding: 4rem 1.5rem 3rem;
  }

  .services {
    grid-template-columns: 1fr;
  }

  .about {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  section {
    padding: 3rem 1.5rem;
  }

  footer {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
    padding: 2rem 1.5rem;
  }

  .footer-text {
    flex-wrap: wrap;
    justify-content: center;
  }
}