/* ============================================================
   Neugrund — Landing Page
   Edel-dunkles, editorial, animationsreiches Design
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --font-display: "Newsreader", Georgia, serif;
  --font-body: "Newsreader", Georgia, serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;

  /* dark editorial palette (warm-cool ink) */
  --bg:        oklch(0.16 0.018 268);
  --bg-2:      oklch(0.185 0.022 268);
  --surface:   oklch(0.215 0.026 268);
  --surface-2: oklch(0.255 0.03 268);
  --text:      oklch(0.955 0.008 268);
  --muted:     oklch(0.74 0.018 268);
  --faint:     oklch(0.6 0.018 268);
  --line:      oklch(1 0 0 / 0.09);
  --line-2:    oklch(1 0 0 / 0.16);

  /* accent (tweakable) */
  --accent:    oklch(0.72 0.15 282);
  --accent-2:  oklch(0.78 0.13 232);
  --accent-soft: oklch(0.72 0.15 282 / 0.16);
  --on-accent: oklch(0.16 0.02 282);

  --maxw: 1200px;
  --gut: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-sm: 12px;

  --anim-scale: 1; /* tweakable: 0.5 subtle .. 1.6 lively */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: clamp(17px, 1.15vw, 19px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent-soft); color: var(--text); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- Layout helpers ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gut); }
.section { padding-block: clamp(72px, 11vw, 160px); position: relative; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 28px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}
.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 72px); }
.section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4.6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-top: 22px;
  text-wrap: balance;
}
.section-head p {
  color: var(--muted);
  font-size: 1.1rem;
  margin-top: 22px;
  max-width: 56ch;
  text-wrap: pretty;
}
em.hl { font-style: italic; color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  --pad: 0.95em 1.6em;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  padding: var(--pad);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .4s var(--ease), background .3s, box-shadow .4s, border-color .3s, color .3s;
  position: relative;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(110deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent) 100%);
  background-size: 220% 100%;
  background-position: 0% 50%;
  color: var(--on-accent);
  box-shadow: 0 0 0 0 var(--accent-soft);
  transition: transform .4s var(--ease), background-position .6s var(--ease), box-shadow .4s, border-color .3s, color .3s;
}
.btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -12px var(--accent), 0 0 0 6px var(--accent-soft);
}
.btn-ghost {
  border-color: var(--line-2);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gut);
  transition: background .4s, backdrop-filter .4s, border-color .4s, padding .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: oklch(0.16 0.018 268 / 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom-color: var(--line);
  padding-block: 12px;
}
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--font-display); font-size: 1.32rem; letter-spacing: -0.01em; }
.brand .mark {
  width: 30px; height: 30px; border-radius: 6px;
  background: var(--accent);
  box-shadow: 0 0 20px -4px var(--accent);
  display: grid; place-items: center;
  flex: none;
}
.brand .mark svg { width: 18px; height: 15px; display: block; }
.brand .mark polyline { fill: none; stroke: var(--on-accent); stroke-width: 11; stroke-linejoin: miter; stroke-linecap: butt; }
.brand .word { font-family: "Space Grotesk", "Helvetica Neue", sans-serif; font-weight: 700; letter-spacing: -0.02em; line-height: 1; }
.brand .word .suffix { font-weight: 500; color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a:not(.btn) {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.03em;
  color: var(--muted); position: relative; padding-block: 4px; white-space: nowrap;
  transition: color .3s;
}
.nav-links a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--accent); transition: width .35s var(--ease);
}
.nav-links a:not(.btn):hover { color: var(--text); }
.nav-links a:not(.btn):hover::after { width: 100%; }
.nav-right { display: flex; align-items: center; gap: 20px; }
.lang-switch { display: inline-flex; border: 1px solid var(--line-2); border-radius: 999px; overflow: hidden; flex: none; }
.lang-switch button {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em;
  padding: 7px 11px; background: transparent; border: 0; color: var(--muted);
  cursor: pointer; transition: background .3s, color .3s; line-height: 1;
}
.lang-switch button.active { background: var(--accent); color: var(--on-accent); }
.lang-switch button:not(.active):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: currentColor; transition: transform .35s var(--ease), opacity .25s; }
.nav-toggle span + span { margin-top: 6px; }
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex; align-items: center;
  padding-block: 140px 90px;
  overflow: hidden;
}
.aurora { position: absolute; inset: -20% -10%; z-index: 0; filter: blur(70px); opacity: 0.55; pointer-events: none; }
.aurora span { position: absolute; border-radius: 50%; mix-blend-mode: screen; }
.aurora .a1 { width: 52vw; height: 52vw; left: -8vw; top: -10vw; background: radial-gradient(circle, var(--accent), transparent 65%); animation: drift1 calc(22s / var(--anim-scale)) ease-in-out infinite; }
.aurora .a2 { width: 44vw; height: 44vw; right: -6vw; top: 4vw; background: radial-gradient(circle, var(--accent-2), transparent 62%); animation: drift2 calc(26s / var(--anim-scale)) ease-in-out infinite; }
.aurora .a3 { width: 40vw; height: 40vw; left: 28vw; bottom: -18vw; background: radial-gradient(circle, var(--accent), transparent 60%); opacity: 0.7; animation: drift3 calc(30s / var(--anim-scale)) ease-in-out infinite; }
@keyframes drift1 { 50% { transform: translate(8vw, 6vw) scale(1.12); } }
@keyframes drift2 { 50% { transform: translate(-7vw, 8vw) scale(0.9); } }
@keyframes drift3 { 50% { transform: translate(5vw, -7vw) scale(1.15); } }

.hero-grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 35%, #000 30%, transparent 78%);
  opacity: 0.5;
}
.hero .wrap { position: relative; z-index: 2; width: 100%; }
.hero-inner { max-width: 920px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin: 28px 0 26px;
  text-wrap: balance;
}
.hero h1 .word { display: inline-block; }
.hero p.lead {
  font-size: clamp(1.1rem, 1.8vw, 1.42rem);
  color: var(--muted);
  max-width: 60ch;
  text-wrap: pretty;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 10px 8px; margin-top: 46px;
}
.badge {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 7px 14px;
  display: inline-flex; align-items: center; gap: 8px;
  transition: border-color .3s, color .3s, transform .3s;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); }
.badge:hover { border-color: var(--accent); color: var(--text); transform: translateY(-2px); }

.scroll-hint {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 2; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.2em;
  color: var(--faint); text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.scroll-hint .line { width: 1px; height: 38px; background: linear-gradient(var(--accent), transparent); animation: scrollpulse 2.4s ease-in-out infinite; transform-origin: top; }
@keyframes scrollpulse { 0%,100% { transform: scaleY(0.4); opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }

/* ---------- Marquee ---------- */
.marquee {
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  padding-block: 22px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track { display: flex; gap: 0; width: max-content; animation: marquee calc(38s / var(--anim-scale)) linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  font-family: var(--font-display); font-style: italic; font-size: clamp(1.3rem, 2.4vw, 2rem);
  color: var(--muted); display: inline-flex; align-items: center; gap: 28px; padding-inline: 28px;
  white-space: nowrap;
}
.marquee-item::after { content: "✕"; font-style: normal; font-family: var(--font-mono); font-size: 0.8em; color: var(--accent); }
.marquee-item .strike { text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.svc {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(28px, 3.4vw, 44px);
  background: linear-gradient(180deg, var(--bg-2), var(--bg));
  overflow: hidden;
  transition: border-color .45s, transform .45s var(--ease), background .45s;
}
.svc::before {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .5s;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), var(--accent-soft), transparent 70%);
}
.svc:hover { transform: translateY(-5px); border-color: var(--line-2); }
.svc:hover::before { opacity: 1; }
.svc-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.svc-num { font-family: var(--font-mono); font-size: 0.74rem; color: var(--faint); letter-spacing: 0.1em; }
.svc-free {
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 5px 11px;
}
.svc h3 { font-family: var(--font-display); font-weight: 420; font-size: clamp(1.4rem, 2.4vw, 1.95rem); letter-spacing: -0.015em; line-height: 1.1; margin-bottom: 14px; }
.svc p { color: var(--muted); font-size: 1rem; max-width: 46ch; }
.svc .glyph {
  width: 46px; height: 46px; border-radius: 11px; border: 1px solid var(--line-2);
  display: grid; place-items: center; margin-bottom: 26px; color: var(--accent);
  background: var(--surface); transition: transform .5s var(--ease), border-color .4s;
}
.svc:hover .glyph { transform: rotate(-8deg) scale(1.06); border-color: var(--accent); }
.svc .glyph svg { width: 22px; height: 22px; }

/* ---------- Use cases ---------- */
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.uc {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
  background: var(--bg-2); transition: transform .45s var(--ease), border-color .4s, background .4s;
}
.uc:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--surface); }
.uc .uc-tag { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.uc h4 { font-family: var(--font-display); font-weight: 440; font-size: 1.35rem; letter-spacing: -0.01em; margin: 16px 0 12px; line-height: 1.15; }
.uc .swap { display: flex; flex-direction: column; gap: 9px; margin-top: 18px; font-size: 0.92rem; }
.uc .swap .from, .uc .swap .to { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 0.78rem; }
.uc .swap .from { color: var(--faint); text-decoration: line-through; text-decoration-color: var(--line-2); }
.uc .swap .to { color: var(--text); }
.uc .swap .dot { width: 7px; height: 7px; border-radius: 2px; flex: none; }
.uc .swap .from .dot { background: var(--faint); }
.uc .swap .to .dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; position: relative; }
.process::before { content: ""; position: absolute; top: 28px; left: 6%; right: 6%; height: 1px; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }
.step { padding: 0 22px; position: relative; }
.step .num {
  width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--line-2);
  display: grid; place-items: center; font-family: var(--font-mono); font-size: 1.05rem;
  background: var(--bg); color: var(--accent); position: relative; z-index: 1; margin-bottom: 26px;
  transition: border-color .4s, box-shadow .4s, transform .4s var(--ease);
}
.step:hover .num { border-color: var(--accent); box-shadow: 0 0 0 5px var(--accent-soft); transform: translateY(-3px); }
.step h4 { font-family: var(--font-display); font-weight: 440; font-size: 1.3rem; letter-spacing: -0.01em; margin-bottom: 11px; }
.step p { color: var(--muted); font-size: 0.96rem; padding-right: 10px; }

/* ---------- Why free (split) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 6vw, 88px); align-items: center; }
.why-card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 3.5vw, 48px);
  background: linear-gradient(155deg, var(--surface), var(--bg-2));
  position: relative; overflow: hidden;
}
.why-card::after { content: ""; position: absolute; right: -30%; top: -30%; width: 70%; height: 70%; background: radial-gradient(circle, var(--accent-soft), transparent 70%); filter: blur(20px); }
.why-list { list-style: none; display: flex; flex-direction: column; gap: 20px; position: relative; }
.why-list li { display: flex; gap: 16px; align-items: flex-start; }
.why-list .ic { flex: none; width: 30px; height: 30px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.why-list .ic svg { width: 16px; height: 16px; }
.why-list strong { font-family: var(--font-display); font-weight: 500; display: block; margin-bottom: 3px; font-size: 1.1rem; }
.why-list span { color: var(--muted); font-size: 0.96rem; }

/* ---------- About ---------- */
.about { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.about-photo { position: relative; }
.about-photo image-slot { width: 100%; aspect-ratio: 4/5; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.about-photo .ring { position: absolute; inset: -12px; border: 1px solid var(--line); border-radius: calc(var(--radius) + 12px); pointer-events: none; }
.about blockquote { font-family: var(--font-display); font-weight: 360; font-size: clamp(1.5rem, 3vw, 2.3rem); line-height: 1.25; letter-spacing: -0.015em; text-wrap: pretty; }
.about .sig { margin-top: 28px; font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.05em; }
.about .sig b { color: var(--text); font-weight: 500; }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--line); max-width: 860px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer; color: var(--text);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 28px 4px; font-family: var(--font-display); font-size: clamp(1.15rem, 2vw, 1.5rem); letter-spacing: -0.01em;
  transition: color .3s;
}
.faq-q:hover { color: var(--accent); }
.faq-q .pm { flex: none; width: 30px; height: 30px; border: 1px solid var(--line-2); border-radius: 50%; position: relative; transition: border-color .3s, transform .4s var(--ease); }
.faq-q .pm::before, .faq-q .pm::after { content: ""; position: absolute; inset: 50% 8px auto; height: 1.5px; background: currentColor; transform: translateY(-50%); transition: transform .35s var(--ease); }
.faq-q .pm::after { transform: translateY(-50%) rotate(90deg); }
.faq-item.open .pm { border-color: var(--accent); transform: rotate(180deg); }
.faq-item.open .pm::after { transform: translateY(-50%) rotate(0); }
.faq-a { overflow: hidden; max-height: 0; transition: max-height .5s var(--ease); }
.faq-a-inner { padding: 0 4px 28px; color: var(--muted); max-width: 64ch; }

/* ---------- Form / Contact ---------- */
.contact { position: relative; }
.contact-card {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 0;
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px); overflow: hidden;
  background: var(--bg-2);
}
.contact-aside {
  padding: clamp(34px, 4vw, 56px);
  background: linear-gradient(165deg, var(--surface), var(--bg-2));
  position: relative; overflow: hidden;
}
.contact-aside::before { content: ""; position: absolute; left: -20%; bottom: -30%; width: 80%; height: 80%; background: radial-gradient(circle, var(--accent-soft), transparent 70%); filter: blur(30px); }
.contact-aside h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 3.4vw, 2.7rem); line-height: 1.06; letter-spacing: -0.02em; position: relative; }
.contact-aside p { color: var(--muted); margin-top: 18px; position: relative; max-width: 40ch; }
.contact-points { list-style: none; margin-top: 32px; display: flex; flex-direction: column; gap: 14px; position: relative; }
.contact-points li { display: flex; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text); }
.contact-points .ic { color: var(--accent); }
.contact-points .ic svg { width: 16px; height: 16px; display: block; }

.form-side { padding: clamp(34px, 4vw, 56px); }
.field { margin-bottom: 22px; position: relative; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 9px; }
.field label .req { color: var(--accent); }
.field input, .field textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font-body); font-size: 1.02rem; padding: 14px 16px;
  transition: border-color .3s, box-shadow .3s, background .3s; resize: vertical;
}
.field textarea { min-height: 120px; line-height: 1.5; }
.field input::placeholder, .field textarea::placeholder { color: var(--faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); background: var(--bg-2); }
.field.invalid input, .field.invalid textarea { border-color: oklch(0.65 0.2 25); box-shadow: 0 0 0 4px oklch(0.65 0.2 25 / 0.14); }
.field .err { display: none; color: oklch(0.78 0.16 25); font-family: var(--font-mono); font-size: 0.7rem; margin-top: 7px; }
.field.invalid .err { display: block; }
/* honeypot */
.hp { position: absolute !important; left: -9999px !important; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.form-note { font-family: var(--font-mono); font-size: 0.68rem; color: var(--faint); max-width: 30ch; line-height: 1.5; }
.submit-btn { width: auto; }
.submit-btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.submit-btn .spin { width: 15px; height: 15px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; display: none; animation: spin .7s linear infinite; }
.submit-btn.loading .spin { display: inline-block; }
.submit-btn.loading .label { opacity: 0.7; }
@keyframes spin { to { transform: rotate(360deg); } }

/* success state */
.form-success { display: none; text-align: center; padding: clamp(30px, 5vw, 60px) 10px; }
.form-success.show { display: block; animation: pop .6s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.form-success .check { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin: 0 auto 22px; }
.form-success .check svg { width: 30px; height: 30px; }
.form-success h3 { font-family: var(--font-display); font-weight: 420; font-size: 1.7rem; margin-bottom: 12px; }
.form-success p { color: var(--muted); max-width: 42ch; margin-inline: auto; }
.form-error-banner { display: none; margin-bottom: 18px; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid oklch(0.65 0.2 25 / 0.4); background: oklch(0.65 0.2 25 / 0.12); color: oklch(0.85 0.12 25); font-family: var(--font-mono); font-size: 0.76rem; }
.form-error-banner.show { display: block; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--line); padding-block: 56px 40px; }
.footer-top { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; align-items: flex-start; }
.footer .brand { font-size: 1.4rem; }
.footer-tag { color: var(--muted); max-width: 36ch; margin-top: 16px; font-size: 0.96rem; }
.footer-links { display: flex; gap: 48px; flex-wrap: wrap; }
.footer-col h5 { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.94rem; margin-bottom: 10px; transition: color .3s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 0.72rem; color: var(--faint); }

/* ---------- Reveal animations ---------- */
[data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .aurora span, .scroll-hint .line, .marquee-track { animation: none !important; }
}

/* ---------- Mobile menu panel ---------- */
.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: oklch(0.14 0.02 268 / 0.97);
  backdrop-filter: blur(18px); flex-direction: column; justify-content: center; gap: 8px;
  padding: var(--gut); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .4s, visibility .4s;
  display: none;
}
.mobile-menu a { font-family: var(--font-display); font-size: 2rem; color: var(--text); padding: 12px 0; border-bottom: 1px solid var(--line); transition: color .3s, padding-left .3s, opacity .5s var(--ease), transform .5s var(--ease); }
.mobile-menu a:hover { color: var(--accent); padding-left: 12px; }
.mobile-menu .btn { margin-top: 24px; align-self: flex-start; font-size: 0.9rem; }

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; padding: 10px; }
  .nav-right { gap: 14px; }
  .mobile-menu { display: flex; }
  body.menu-open .mobile-menu { opacity: 1; visibility: visible; pointer-events: auto; }
  .services-grid { grid-template-columns: 1fr; }
  .uc-grid { grid-template-columns: 1fr; }
  .process { grid-template-columns: 1fr 1fr; gap: 40px 0; }
  .process::before { display: none; }
  .split { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .about-photo { max-width: 340px; }
  .contact-card { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .process { grid-template-columns: 1fr; gap: 34px 0; }
  .step { padding: 0; }
  .form-row { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-block: 112px 60px; }
  .hero h1 { font-size: clamp(2.15rem, 9.5vw, 3.2rem); line-height: 1.05; }
  .section { padding-block: 64px; }
  .section-head { margin-bottom: 36px; }
  .footer-bottom { flex-direction: column; }
  .footer-links { gap: 28px 40px; }
  /* gestapelte, gut tippbare CTAs */
  .hero-cta { flex-direction: column; align-items: stretch; gap: 12px; }
  .hero-cta .btn { justify-content: center; padding: 1.05em 1.4em; }
  .mobile-menu .btn { align-self: stretch; justify-content: center; }
  /* größere Tap-Targets */
  .lang-switch button { padding: 10px 14px; font-size: 0.78rem; }
  .scroll-hint { display: none; }
}

/* ---------- KI section ---------- */
.ki-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.ki-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(26px, 3vw, 40px);
  background: var(--surface);
  transition: transform .45s var(--ease), border-color .4s;
}
.ki-card:hover { transform: translateY(-5px); border-color: var(--accent); }
.ki-card .k-ic {
  width: 46px; height: 46px; border-radius: 11px; border: 1px solid var(--line-2);
  display: grid; place-items: center; color: var(--accent); background: var(--bg-2);
  margin-bottom: 24px; transition: transform .5s var(--ease), border-color .4s;
}
.ki-card:hover .k-ic { transform: rotate(-8deg) scale(1.06); border-color: var(--accent); }
.ki-card .k-ic svg { width: 23px; height: 23px; }
.ki-card h4 { font-family: var(--font-display); font-weight: 440; font-size: 1.5rem; letter-spacing: -0.015em; line-height: 1.1; margin-bottom: 13px; }
.ki-card p { color: var(--muted); font-size: 0.98rem; text-wrap: pretty; }

/* ---------- Legal modals ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: none; }
.modal.open { display: grid; place-items: center; }
.modal-backdrop { position: absolute; inset: 0; background: oklch(0.1 0.02 268 / 0.74); backdrop-filter: blur(8px); animation: fade .3s ease; }
.modal-card {
  position: relative; z-index: 1; width: min(680px, calc(100vw - 36px)); max-height: 86vh; overflow: auto;
  background: var(--surface); border: 1px solid var(--line-2); border-radius: calc(var(--radius) + 4px);
  padding: clamp(28px, 4vw, 48px); animation: pop .45s var(--ease);
}
.modal-card .eyebrow { margin-bottom: 14px; }
.modal-card h3 { font-family: var(--font-display); font-weight: 420; font-size: clamp(1.8rem, 3.4vw, 2.4rem); letter-spacing: -0.02em; margin-bottom: 26px; }
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-2); background: transparent; color: var(--muted);
  font-size: 1.4rem; line-height: 1; cursor: pointer; display: grid; place-items: center;
  transition: color .3s, border-color .3s, transform .4s var(--ease);
}
.modal-close:hover { color: var(--accent); border-color: var(--accent); transform: rotate(90deg); }
.legal p { color: var(--muted); margin-bottom: 16px; line-height: 1.65; }
.legal p b { color: var(--text); font-weight: 500; }
.legal h4 { font-family: var(--font-display); font-weight: 500; font-size: 1.12rem; color: var(--text); letter-spacing: -0.01em; margin: 26px 0 10px; }
.legal a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-soft); }
.legal a:hover { border-bottom-color: var(--accent); }
.legal .legal-note { font-family: var(--font-mono); font-size: 0.74rem; color: var(--faint); border-top: 1px solid var(--line); padding-top: 18px; margin-top: 6px; line-height: 1.6; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

@media (max-width: 920px) {
  .ki-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Extra transitions & micro-motion
   ============================================================ */

/* Scroll-Fortschrittsbalken oben */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%; will-change: transform;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
  z-index: 120; pointer-events: none;
}

/* Nav fährt beim Runterscrollen weg, beim Hochscrollen wieder ein */
.nav { transition: background .4s, backdrop-filter .4s, border-color .4s, padding .4s, transform .45s var(--ease); }
.nav.hidden { transform: translateY(-110%); }

/* Richtungs-Reveals */
[data-reveal="left"]  { transform: translateX(-44px); }
[data-reveal="right"] { transform: translateX(44px); }
[data-reveal="scale"] { transform: scale(0.93); }

/* Hero-Badges: gestaffelter Auftritt */
.hero-badges .badge { opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .3s, color .3s; }
.hero-badges.in .badge { opacity: 1; transform: none; }
.hero-badges.in .badge:nth-child(1) { transition-delay: .10s; }
.hero-badges.in .badge:nth-child(2) { transition-delay: .20s; }
.hero-badges.in .badge:nth-child(3) { transition-delay: .30s; }
.hero-badges.in .badge:nth-child(4) { transition-delay: .40s; }

/* Mobile-Menü: gestaffelte Links */
.mobile-menu a { opacity: 0; transform: translateY(16px); }
body.menu-open .mobile-menu a { opacity: 1; transform: none; }
body.menu-open .mobile-menu a:nth-child(1) { transition-delay: .08s; }
body.menu-open .mobile-menu a:nth-child(2) { transition-delay: .14s; }
body.menu-open .mobile-menu a:nth-child(3) { transition-delay: .20s; }
body.menu-open .mobile-menu a:nth-child(4) { transition-delay: .26s; }
body.menu-open .mobile-menu a:nth-child(5) { transition-delay: .32s; }
body.menu-open .mobile-menu a:nth-child(6) { transition-delay: .38s; }

/* Footer-Links: wachsende Unterstreichung */
.footer-col a { position: relative; }
.footer-col a::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--accent); transition: width .35s var(--ease); }
.footer-col a:hover::after { width: 1.4em; }

/* „Nachher"-Punkt der Use-Cases: sanfter Puls */
@keyframes dotpulse { 0%, 100% { box-shadow: 0 0 0 0 var(--accent); } 50% { box-shadow: 0 0 9px 1px var(--accent); } }
.uc .swap .to .dot { animation: dotpulse 2.6s ease-in-out infinite; }

/* Eyebrow-Linie wächst beim Reveal */
.eyebrow::before { transition: width .6s var(--ease) .15s; }
[data-reveal] .eyebrow::before, .eyebrow[data-reveal]::before { width: 0; }
[data-reveal].in .eyebrow::before, .eyebrow[data-reveal].in::before { width: 28px; }

@media (prefers-reduced-motion: reduce) {
  .uc .swap .to .dot { animation: none !important; }
  .hero-badges .badge, .mobile-menu a { opacity: 1 !important; transform: none !important; transition: none !important; }
  .nav.hidden { transform: none !important; }
  .scroll-progress { display: none; }
}