/* ==========================================================================
   VZ.dev — Design Tokens
   ========================================================================== */
:root{
  --bg:            #0a0a0c;
  --bg-alt:        #0e0e11;
  --surface:       rgba(255,255,255,0.035);
  --surface-hover: rgba(255,255,255,0.06);
  --border:        rgba(255,255,255,0.09);
  --border-strong: rgba(255,255,255,0.16);

  --gold:          #d4af6a;
  --gold-bright:   #f2cd8a;
  --gold-dim:      rgba(212,175,106,0.14);

  --text:          #f2f1ec;
  --text-muted:    #a3a2a8;
  --text-dim:      #6b6b72;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 28px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3{
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.02em;
}

p{ margin: 0; }
ul{ margin: 0; padding: 0; list-style: none; }
a{ color: inherit; text-decoration: none; }
img{ max-width: 100%; display: block; }
button{ font-family: inherit; }

::selection{ background: var(--gold); color: #0a0a0c; }

:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.noise-overlay{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 24px;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease), padding 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled{
  background: rgba(10,10,12,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
}
.header-inner{
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo{
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}
.logo-bracket{ color: var(--gold); }
.logo-dot{ color: var(--gold); }

.main-nav{
  display: none;
}
@media (min-width: 860px){
  .main-nav{
    display: flex;
    align-items: center;
    gap: 32px;
    font-size: 0.92rem;
    color: var(--text-muted);
  }
  .main-nav a{ transition: color 0.2s var(--ease); position: relative; }
  .main-nav a:hover{ color: var(--text); }
  .main-nav a.nav-cta{
    color: var(--bg);
    background: var(--gold);
    padding: 9px 18px;
    border-radius: 999px;
    font-weight: 500;
    transition: background 0.2s var(--ease), transform 0.2s var(--ease);
  }
  .main-nav a.nav-cta:hover{ background: var(--gold-bright); transform: translateY(-1px); }
}

.nav-toggle{
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 0;
  align-items: center;
}
.nav-toggle span{
  width: 16px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 860px){
  .nav-toggle{ display: none; }
}

.mobile-nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(10,10,12,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 90px 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-110%);
  transition: transform 0.35s var(--ease);
  z-index: 90;
}
.mobile-nav.open{ transform: translateY(0); }
.mobile-nav a{
  padding: 14px 4px;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}
.mobile-nav a.nav-cta{ color: var(--gold); border-bottom: none; margin-top: 8px; }

/* ==========================================================================
   Layout helpers
   ========================================================================== */
.section{ padding: 96px 24px; position: relative; }
.section-alt{ background: var(--bg-alt); }
.section-inner{ max-width: 1180px; margin: 0 auto; }

.section-label{
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.section-title{
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 600;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.section-label.is-visible,
.section-title.is-visible{ opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 24px 80px;
  overflow: hidden;
}
.hero-glow{
  position: absolute;
  top: -20%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(212,175,106,0.14) 0%, rgba(212,175,106,0.03) 45%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner{
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  gap: 56px;
  align-items: center;
}
@media (min-width: 940px){
  .hero-inner{ grid-template-columns: 1.05fr 0.95fr; gap: 40px; }
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  opacity: 0;
  animation: fadeUp 0.7s var(--ease) 0.1s forwards;
}
.eyebrow-dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(212,175,106,0.6);
  animation: pulse 2.2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(212,175,106,0.5); }
  70%{ box-shadow: 0 0 0 8px rgba(212,175,106,0); }
  100%{ box-shadow: 0 0 0 0 rgba(212,175,106,0); }
}

.hero-title{
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.22s forwards;
}
.hero-title .amp{ color: var(--gold); font-weight: 400; font-style: italic; }

.hero-subtitle{
  margin-top: 22px;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--text-muted);
  max-width: 480px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.36s forwards;
}

.hero-actions{
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}

@keyframes fadeUp{
  from{ opacity: 0; transform: translateY(16px); }
  to{ opacity: 1; transform: translateY(0); }
}

.btn{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 500;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary{
  background: var(--gold);
  color: #0a0a0c;
}
.btn-primary:hover{
  background: var(--gold-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,175,106,0.25);
}
.btn-ghost{
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover{
  background: var(--surface-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

/* Hero visual: code window */
.hero-visual{
  position: relative;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.5s forwards;
}
.code-window{
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.015));
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
  overflow: hidden;
  max-width: 480px;
  margin: 0 auto;
}
.code-window-bar{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.dot{ width: 10px; height: 10px; border-radius: 50%; }
.dot-red{ background: #ff5f57; }
.dot-yellow{ background: #febc2e; }
.dot-green{ background: #28c840; }
.code-window-title{
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}
.code-window-body{
  padding: 24px 22px;
  min-height: 280px;
}
.code-window-body pre{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}
.cursor-blink{
  color: var(--gold);
  animation: blink 1s step-start infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

/* syntax token colors (applied via JS spans) */
.tok-key{ color: #c99cf5; }
.tok-str{ color: #b4d99a; }
.tok-fn{ color: #7fc7ea; }
.tok-com{ color: var(--text-dim); }
.tok-gold{ color: var(--gold); }

.floating-tag{
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(10,10,12,0.7);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  color: var(--text);
  animation: floatY 5s ease-in-out infinite;
  display: none;
}
@media (min-width: 700px){ .floating-tag{ display: inline-flex; } }
.tag-1{ top: -18px; right: 30px; animation-delay: 0s; }
.tag-2{ bottom: 40px; left: -30px; animation-delay: 1.2s; }
.tag-3{ bottom: -20px; right: 60px; animation-delay: 2.4s; }
@keyframes floatY{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

.scroll-cue{
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  z-index: 2;
}
.scroll-line{
  width: 1px;
  height: 32px;
  background: linear-gradient(var(--gold), transparent);
  animation: scrollLine 2s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform: scaleY(0); transform-origin: top; }
  50%{ transform: scaleY(1); transform-origin: top; }
  51%{ transform-origin: bottom; }
  100%{ transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================================
   Cards — Leistungen
   ========================================================================== */
.cards-grid{
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .cards-grid{ grid-template-columns: repeat(3, 1fr); }
}
.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-m);
  padding: 32px 28px;
  backdrop-filter: blur(14px);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), background 0.35s var(--ease);
  opacity: 0;
  transform: translateY(20px);
}
.card.is-visible{ opacity: 1; transform: translateY(0); }
.card:hover{
  border-color: var(--gold);
  background: rgba(212,175,106,0.05);
  transform: translateY(-6px);
}
.card-icon{
  font-size: 1.8rem;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gold-dim);
  border-radius: var(--radius-s);
  margin-bottom: 22px;
}
.card h3{
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 14px;
}
.card ul li{
  color: var(--text-muted);
  font-size: 0.94rem;
  padding: 5px 0 5px 18px;
  position: relative;
}
.card ul li::before{
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ==========================================================================
   Benefits — Warum VZ.dev
   ========================================================================== */
.benefits-grid{
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px){
  .benefits-grid{ grid-template-columns: 1fr 1fr; }
}
.benefit{
  display: flex;
  gap: 16px;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(16px);
}
.benefit.is-visible{ opacity: 1; transform: translateY(0); }
.check{
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem;
}
.benefit h3{ font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
.benefit p{ color: var(--text-muted); font-size: 0.94rem; }

/* ==========================================================================
   Process timeline
   ========================================================================== */
.process-timeline{
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-timeline::before{
  content: '';
  position: absolute;
  left: 23px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(var(--border), var(--gold) 50%, var(--border));
}
.process-step{
  display: flex;
  gap: 24px;
  padding: 22px 0;
  opacity: 0;
  transform: translateY(16px);
}
.process-step.is-visible{ opacity: 1; transform: translateY(0); }
.process-index{
  flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  color: var(--gold);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}
.process-content h3{ font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.process-content p{ color: var(--text-muted); font-size: 0.94rem; max-width: 460px; }

/* ==========================================================================
   Über mich
   ========================================================================== */
.about-inner{ max-width: 760px; }
.about-text{
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.75;
  opacity: 0;
  transform: translateY(16px);
}
.about-text.is-visible{ opacity: 1; transform: translateY(0); }

.languages{
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.lang-item{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.9rem;
  color: var(--text-muted);
}
.flag{ font-size: 1rem; }

/* ==========================================================================
   Kontakt
   ========================================================================== */
.contact-section{
  text-align: center;
  padding-top: 110px;
  padding-bottom: 110px;
}
.contact-inner{
  position: relative;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-glow{
  position: absolute;
  top: 50%; left: 50%;
  width: 700px; height: 500px;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(212,175,106,0.16) 0%, transparent 65%);
  z-index: -1;
}
.contact-section .section-label{ opacity: 0; }
.contact-title{
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(16px);
}
.contact-title.is-visible{ opacity: 1; transform: translateY(0); }
.contact-subtitle{
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 440px;
  margin-bottom: 40px;
}
.contact-actions{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}
.footer-inner{
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
@media (min-width: 640px){
  .footer-inner{ flex-direction: row; justify-content: space-between; align-items: center; }
}
.footer-logo{ font-size: 0.95rem; }
.footer-note{
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}
.footer-copy{
  font-size: 0.82rem;
  color: var(--text-dim);
}